clang++ -std=c++17 -O2 -lm -L/extlibs -I/extlibs -lantlr4-runtime -Wl,-rpath=/extlibs /coursegrader/submitdata/src/main.cpp /coursegrader/submitdata/src/frontend/SyntaxTreePrinter.cpp /coursegrader/submitdata/src/frontend/AntlrDriver.cpp /coursegrader/submitdata/src/utils/CLI.cpp /coursegrader/submitdata/src/utils/Log.cpp /coursegrader/submitdata/src/ir/BasicBlock.cpp /coursegrader/submitdata/src/ir/IRBuilder.cpp /coursegrader/submitdata/src/ir/Instruction.cpp /coursegrader/submitdata/src/ir/IRPrinter.cpp /coursegrader/submitdata/src/ir/Context.cpp /coursegrader/submitdata/src/ir/Type.cpp /coursegrader/submitdata/src/ir/Module.cpp /coursegrader/submitdata/src/ir/GlobalValue.cpp /coursegrader/submitdata/src/ir/Value.cpp /coursegrader/submitdata/src/ir/Function.cpp /coursegrader/submitdata/src/ir/analysis/LoopInfo.cpp /coursegrader/submitdata/src/ir/analysis/DominatorTree.cpp /coursegrader/submitdata/src/ir/passes/PassManager.cpp /coursegrader/submitdata/src/ir/passes/DCE.cpp /coursegrader/submitdata/src/ir/passes/CFGSimplify.cpp /coursegrader/submitdata/src/ir/passes/ConstFold.cpp /coursegrader/submitdata/src/ir/passes/Mem2Reg.cpp /coursegrader/submitdata/src/ir/passes/CSE.cpp /coursegrader/submitdata/src/ir/passes/ConstProp.cpp /coursegrader/submitdata/src/ir/passes/LICM.cpp /coursegrader/submitdata/src/irgen/IRGenDecl.cpp /coursegrader/submitdata/src/irgen/IRGenExp.cpp /coursegrader/submitdata/src/irgen/IRGenFunc.cpp /coursegrader/submitdata/src/irgen/IRGenDriver.cpp /coursegrader/submitdata/src/irgen/IRGenStmt.cpp /coursegrader/submitdata/src/mir/MIRFunction.cpp /coursegrader/submitdata/src/mir/Lowering.cpp /coursegrader/submitdata/src/mir/AsmPrinter.cpp /coursegrader/submitdata/src/mir/Register.cpp /coursegrader/submitdata/src/mir/MIRContext.cpp /coursegrader/submitdata/src/mir/FrameLowering.cpp /coursegrader/submitdata/src/mir/MIRBasicBlock.cpp /coursegrader/submitdata/src/mir/RegAlloc.cpp /coursegrader/submitdata/src/mir/MIRInstr.cpp /coursegrader/submitdata/src/mir/passes/Peephole.cpp /coursegrader/submitdata/src/mir/passes/PassManager.cpp /coursegrader/submitdata/src/sem/SymbolTable.cpp /coursegrader/submitdata/src/sem/Sema.cpp /coursegrader/submitdata/src/sem/ConstEval.cpp /coursegrader/submitdata/sylib/sylib.c /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRInputStream.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/CommonTokenStream.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContext.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/CommonToken.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRFileStream.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DefaultErrorStrategy.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerInterpreter.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuntimeMetaData.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/TokenStreamRewriter.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/TokenStream.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorStrategy.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/BailErrorStrategy.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/UnbufferedCharStream.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/BufferedTokenStream.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Token.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/IntStream.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ConsoleErrorListener.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/CharStream.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/InterpreterRuleContext.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/WritableToken.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/TokenSource.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserInterpreter.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Vocabulary.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/CommonTokenFactory.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContextWithAltNum.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ListTokenSource.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/FailedPredicateException.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/InputMismatchException.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/BaseErrorListener.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DiagnosticErrorListener.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/UnbufferedTokenStream.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserRuleContext.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support/Any.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support/Arrays.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support/StringUtils.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support/Utf8.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support/CPPUtils.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/dfa/DFA.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/dfa/DFASerializer.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/dfa/DFAState.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/dfa/LexerDFASerializer.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/IntervalSet.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/InterpreterDataReader.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/MurmurHash.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/Interval.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/Predicate.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/LexerPopModeAction.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/LexerChannelAction.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/Transition.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/LexerSkipAction.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/PredictionContextMergeCache.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/LexerATNSimulator.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ParserATNSimulator.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ContextSensitivityInfo.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/PredicateEvalInfo.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ProfilingATNSimulator.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SetTransition.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/EpsilonTransition.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNState.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/AtomTransition.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATN.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/DecisionState.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ActionTransition.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNSimulator.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/DecisionEventInfo.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfig.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/RuleTransition.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/PredictionContext.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/LexerATNConfig.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/LexerIndexedCustomAction.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ArrayPredictionContext.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/TransitionType.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/LexerMoreAction.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/PredictionMode.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/LexerActionExecutor.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/LookaheadEventInfo.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/PredictionContextCache.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/LexerPushModeAction.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SingletonPredictionContext.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/NotSetTransition.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNStateType.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/PredicateTransition.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/LexerAction.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/LexerCustomAction.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNDeserializer.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/DecisionInfo.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/LexerModeAction.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/LexerTypeAction.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/RangeTransition.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNDeserializationOptions.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/WildcardTransition.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/OrderedATNConfigSet.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/AmbiguityInfo.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ErrorInfo.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/LL1Analyzer.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/PrecedencePredicateTransition.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ParseInfo.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/StarLoopbackState.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/IterativeParseTreeWalker.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/ParseTree.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/Trees.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/ParseTreeListener.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/ParseTreeVisitor.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/ParseTreeWalker.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/TerminalNodeImpl.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/ErrorNodeImpl.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/xpath/XPath.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/xpath/XPathRuleAnywhereElement.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/xpath/XPathWildcardAnywhereElement.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/xpath/XPathWildcardElement.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/xpath/XPathTokenAnywhereElement.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/xpath/XPathLexerErrorListener.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/xpath/XPathLexer.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/xpath/XPathElement.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/xpath/XPathRuleElement.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/xpath/XPathTokenElement.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/pattern/ParseTreePattern.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/pattern/TokenTagToken.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/pattern/Chunk.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/pattern/RuleTagToken.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/pattern/TagChunk.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/pattern/TextChunk.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/pattern/ParseTreeMatch.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/pattern/ParseTreePatternMatcher.cpp /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/internal/Synchronization.cpp -I /coursegrader/submitdata/extlibs/frontend -I /coursegrader/submitdata/extlibs/irgen -I /coursegrader/submitdata/extlibs/sem -I /coursegrader/submitdata/extlibs/mir -I /coursegrader/submitdata/extlibs/ir -I /coursegrader/submitdata/extlibs/utils -I /coursegrader/submitdata/include/frontend -I /coursegrader/submitdata/include/irgen -I /coursegrader/submitdata/include/ir -I /coursegrader/submitdata/include/sem -I /coursegrader/submitdata/include/mir -I /coursegrader/submitdata/include/utils -I /coursegrader/submitdata/sylib -I /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src -I /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support -I /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/dfa -I /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc -I /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn -I /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree -I /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/xpath -I /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/pattern -I /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/internal -o /root/run/compiler
Stdout:

Stderr:
clang++: warning: treating 'c' input as 'c++' when in C++ mode, this behavior is deprecated [-Wdeprecated]
/coursegrader/submitdata/src/main.cpp:7:10: fatal error: 'frontend/AntlrDriver.h' file not found
    7 | #include "frontend/AntlrDriver.h"
      |          ^~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/frontend/SyntaxTreePrinter.cpp:1:10: fatal error: 'frontend/SyntaxTreePrinter.h' file not found
    1 | #include "frontend/SyntaxTreePrinter.h"
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/frontend/AntlrDriver.cpp:2:10: fatal error: 'frontend/AntlrDriver.h' file not found
    2 | #include "frontend/AntlrDriver.h"
      |          ^~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/utils/CLI.cpp:5:10: fatal error: 'utils/CLI.h' file not found
    5 | #include "utils/CLI.h"
      |          ^~~~~~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/utils/Log.cpp:3:10: fatal error: 'utils/Log.h' file not found
    3 | #include "utils/Log.h"
      |          ^~~~~~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/ir/BasicBlock.cpp:10:10: fatal error: 'ir/IR.h' file not found
   10 | #include "ir/IR.h"
      |          ^~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/ir/IRBuilder.cpp:5:10: fatal error: 'ir/IR.h' file not found
    5 | #include "ir/IR.h"
      |          ^~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/ir/Instruction.cpp:4:10: fatal error: 'ir/IR.h' file not found
    4 | #include "ir/IR.h"
      |          ^~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/ir/IRPrinter.cpp:5:10: fatal error: 'ir/IR.h' file not found
    5 | #include "ir/IR.h"
      |          ^~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/ir/Context.cpp:2:10: fatal error: 'ir/IR.h' file not found
    2 | #include "ir/IR.h"
      |          ^~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/ir/Type.cpp:2:10: fatal error: 'ir/IR.h' file not found
    2 | #include "ir/IR.h"
      |          ^~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/ir/Module.cpp:3:10: fatal error: 'ir/IR.h' file not found
    3 | #include "ir/IR.h"
      |          ^~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/ir/GlobalValue.cpp:4:10: fatal error: 'ir/IR.h' file not found
    4 | #include "ir/IR.h"
      |          ^~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/ir/Value.cpp:4:10: fatal error: 'ir/IR.h' file not found
    4 | #include "ir/IR.h"
      |          ^~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/ir/Function.cpp:4:10: fatal error: 'ir/IR.h' file not found
    4 | #include "ir/IR.h"
      |          ^~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/ir/analysis/DominatorTree.cpp:1:10: fatal error: 'ir/IR.h' file not found
    1 | #include "ir/IR.h"
      |          ^~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/ir/passes/PassManager.cpp:3:10: fatal error: 'ir/IR.h' file not found
    3 | #include "ir/IR.h"
      |          ^~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/ir/passes/DCE.cpp:7:10: fatal error: 'ir/IR.h' file not found
    7 | #include "ir/IR.h"
      |          ^~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/ir/passes/CFGSimplify.cpp:5:10: fatal error: 'ir/IR.h' file not found
    5 | #include "ir/IR.h"
      |          ^~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/ir/passes/ConstFold.cpp:5:10: fatal error: 'ir/IR.h' file not found
    5 | #include "ir/IR.h"
      |          ^~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/ir/passes/Mem2Reg.cpp:5:10: fatal error: 'ir/IR.h' file not found
    5 | #include "ir/IR.h"
      |          ^~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/ir/passes/CSE.cpp:10:10: fatal error: 'ir/IR.h' file not found
   10 | #include "ir/IR.h"
      |          ^~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/ir/passes/ConstProp.cpp:7:10: fatal error: 'ir/IR.h' file not found
    7 | #include "ir/IR.h"
      |          ^~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/ir/passes/LICM.cpp:1:10: fatal error: 'ir/IR.h' file not found
    1 | #include "ir/IR.h"
      |          ^~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/irgen/IRGenDecl.cpp:1:10: fatal error: 'irgen/IRGen.h' file not found
    1 | #include "irgen/IRGen.h"
      |          ^~~~~~~~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/irgen/IRGenExp.cpp:1:10: fatal error: 'irgen/IRGen.h' file not found
    1 | #include "irgen/IRGen.h"
      |          ^~~~~~~~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/irgen/IRGenFunc.cpp:1:10: fatal error: 'irgen/IRGen.h' file not found
    1 | #include "irgen/IRGen.h"
      |          ^~~~~~~~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/irgen/IRGenDriver.cpp:1:10: fatal error: 'irgen/IRGen.h' file not found
    1 | #include "irgen/IRGen.h"
      |          ^~~~~~~~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/irgen/IRGenStmt.cpp:1:10: fatal error: 'irgen/IRGen.h' file not found
    1 | #include "irgen/IRGen.h"
      |          ^~~~~~~~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/mir/MIRFunction.cpp:1:10: fatal error: 'mir/MIR.h' file not found
    1 | #include "mir/MIR.h"
      |          ^~~~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/mir/Lowering.cpp:1:10: fatal error: 'mir/MIR.h' file not found
    1 | #include "mir/MIR.h"
      |          ^~~~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/mir/AsmPrinter.cpp:1:10: fatal error: 'mir/MIR.h' file not found
    1 | #include "mir/MIR.h"
      |          ^~~~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/mir/Register.cpp:1:10: fatal error: 'mir/MIR.h' file not found
    1 | #include "mir/MIR.h"
      |          ^~~~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/mir/MIRContext.cpp:1:10: fatal error: 'mir/MIR.h' file not found
    1 | #include "mir/MIR.h"
      |          ^~~~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/mir/FrameLowering.cpp:1:10: fatal error: 'mir/MIR.h' file not found
    1 | #include "mir/MIR.h"
      |          ^~~~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/mir/MIRBasicBlock.cpp:1:10: fatal error: 'mir/MIR.h' file not found
    1 | #include "mir/MIR.h"
      |          ^~~~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/mir/RegAlloc.cpp:1:10: fatal error: 'mir/MIR.h' file not found
    1 | #include "mir/MIR.h"
      |          ^~~~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/mir/MIRInstr.cpp:1:10: fatal error: 'mir/MIR.h' file not found
    1 | #include "mir/MIR.h"
      |          ^~~~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/mir/passes/Peephole.cpp:1:10: fatal error: 'mir/MIR.h' file not found
    1 | #include "mir/MIR.h"
      |          ^~~~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/sem/SymbolTable.cpp:3:10: fatal error: 'sem/SymbolTable.h' file not found
    3 | #include "sem/SymbolTable.h"
      |          ^~~~~~~~~~~~~~~~~~~
1 error generated.
/coursegrader/submitdata/src/sem/Sema.cpp:1:10: fatal error: 'sem/Sema.h' file not found
    1 | #include "sem/Sema.h"
      |          ^~~~~~~~~~~~
1 error generated.
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.h:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:13:26: error: redefinition of 'RuntimeException'
   13 |   class ANTLR4CPP_PUBLIC RuntimeException : public std::exception {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:13:26: note: previous definition is here
   13 |   class ANTLR4CPP_PUBLIC RuntimeException : public std::exception {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.h:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:22:26: error: redefinition of 'IllegalStateException'
   22 |   class ANTLR4CPP_PUBLIC IllegalStateException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:22:26: note: previous definition is here
   22 |   class ANTLR4CPP_PUBLIC IllegalStateException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.h:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:30:26: error: redefinition of 'IllegalArgumentException'
   30 |   class ANTLR4CPP_PUBLIC IllegalArgumentException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:30:26: note: previous definition is here
   30 |   class ANTLR4CPP_PUBLIC IllegalArgumentException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.h:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:38:26: error: redefinition of 'NullPointerException'
   38 |   class ANTLR4CPP_PUBLIC NullPointerException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:38:26: note: previous definition is here
   38 |   class ANTLR4CPP_PUBLIC NullPointerException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.h:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:46:26: error: redefinition of 'IndexOutOfBoundsException'
   46 |   class ANTLR4CPP_PUBLIC IndexOutOfBoundsException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:46:26: note: previous definition is here
   46 |   class ANTLR4CPP_PUBLIC IndexOutOfBoundsException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.h:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:54:26: error: redefinition of 'UnsupportedOperationException'
   54 |   class ANTLR4CPP_PUBLIC UnsupportedOperationException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:54:26: note: previous definition is here
   54 |   class ANTLR4CPP_PUBLIC UnsupportedOperationException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.h:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:63:26: error: redefinition of 'EmptyStackException'
   63 |   class ANTLR4CPP_PUBLIC EmptyStackException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:63:26: note: previous definition is here
   63 |   class ANTLR4CPP_PUBLIC EmptyStackException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.h:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:73:26: error: redefinition of 'IOException'
   73 |   class ANTLR4CPP_PUBLIC IOException : public std::exception {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:73:26: note: previous definition is here
   73 |   class ANTLR4CPP_PUBLIC IOException : public std::exception {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.h:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:83:26: error: redefinition of 'CancellationException'
   83 |   class ANTLR4CPP_PUBLIC CancellationException : public IllegalStateException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:83:26: note: previous definition is here
   83 |   class ANTLR4CPP_PUBLIC CancellationException : public IllegalStateException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.h:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:91:26: error: redefinition of 'ParseCancellationException'
   91 |   class ANTLR4CPP_PUBLIC ParseCancellationException : public CancellationException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:91:26: note: previous definition is here
   91 |   class ANTLR4CPP_PUBLIC ParseCancellationException : public CancellationException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.h:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
/extlibs/RecognitionException.h:17:26: error: redefinition of 'RecognitionException'
   17 |   class ANTLR4CPP_PUBLIC RecognitionException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:17:26: note: previous definition is here
   17 |   class ANTLR4CPP_PUBLIC RecognitionException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.h:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
/extlibs/ANTLRErrorListener.h:17:26: error: redefinition of 'ANTLRErrorListener'
   17 |   class ANTLR4CPP_PUBLIC ANTLRErrorListener {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:17:26: note: previous definition is here
   17 |   class ANTLR4CPP_PUBLIC ANTLRErrorListener {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.h:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
/extlibs/ProxyErrorListener.h:16:26: error: redefinition of 'ProxyErrorListener'
   16 |   class ANTLR4CPP_PUBLIC ProxyErrorListener : public ANTLRErrorListener {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:16:26: note: previous definition is here
   16 |   class ANTLR4CPP_PUBLIC ProxyErrorListener : public ANTLRErrorListener {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.h:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:9:
/extlibs/support/Casts.h:15:6: error: redefinition of 'downCast'
   15 |   To downCast(From* from) {
      |      ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support/Casts.h:15:6: note: previous definition is here
   15 |   To downCast(From* from) {
      |      ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.h:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:9:
/extlibs/support/Casts.h:25:6: error: redefinition of 'downCast'
   25 |   To downCast(From& from) {
      |      ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support/Casts.h:25:6: note: previous definition is here
   25 |   To downCast(From& from) {
      |      ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.h:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:10:
/extlibs/atn/SerializedATNView.h:20:26: error: redefinition of 'SerializedATNView'
   20 |   class ANTLR4CPP_PUBLIC SerializedATNView final {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SerializedATNView.h:20:26: note: previous definition is here
   20 |   class ANTLR4CPP_PUBLIC SerializedATNView final {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.h:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:10:
/extlibs/atn/SerializedATNView.h:75:15: error: redefinition of 'operator=='
   75 |   inline bool operator==(const SerializedATNView &lhs, const SerializedATNView &rhs) {
      |               ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SerializedATNView.h:75:15: note: previous definition is here
   75 |   inline bool operator==(const SerializedATNView &lhs, const SerializedATNView &rhs) {
      |               ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.h:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:10:
/extlibs/atn/SerializedATNView.h:80:15: error: redefinition of 'operator!='
   80 |   inline bool operator!=(const SerializedATNView &lhs, const SerializedATNView &rhs) {
      |               ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SerializedATNView.h:80:15: note: previous definition is here
   80 |   inline bool operator!=(const SerializedATNView &lhs, const SerializedATNView &rhs) {
      |               ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.h:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:10:
/extlibs/atn/SerializedATNView.h:84:15: error: redefinition of 'operator<'
   84 |   inline bool operator<(const SerializedATNView &lhs, const SerializedATNView &rhs) {
      |               ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SerializedATNView.h:84:15: note: previous definition is here
   84 |   inline bool operator<(const SerializedATNView &lhs, const SerializedATNView &rhs) {
      |               ^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContext.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:13:26: error: redefinition of 'RuntimeException'
   13 |   class ANTLR4CPP_PUBLIC RuntimeException : public std::exception {
      |                          ^
/extlibs/Exceptions.h:13:26: note: previous definition is here
   13 |   class ANTLR4CPP_PUBLIC RuntimeException : public std::exception {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContext.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:22:26: error: redefinition of 'IllegalStateException'
   22 |   class ANTLR4CPP_PUBLIC IllegalStateException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:22:26: note: previous definition is here
   22 |   class ANTLR4CPP_PUBLIC IllegalStateException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContext.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:30:26: error: redefinition of 'IllegalArgumentException'
   30 |   class ANTLR4CPP_PUBLIC IllegalArgumentException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:30:26: note: previous definition is here
   30 |   class ANTLR4CPP_PUBLIC IllegalArgumentException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContext.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:38:26: error: redefinition of 'NullPointerException'
   38 |   class ANTLR4CPP_PUBLIC NullPointerException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:38:26: note: previous definition is here
   38 |   class ANTLR4CPP_PUBLIC NullPointerException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContext.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:46:26: error: redefinition of 'IndexOutOfBoundsException'
   46 |   class ANTLR4CPP_PUBLIC IndexOutOfBoundsException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:46:26: note: previous definition is here
   46 |   class ANTLR4CPP_PUBLIC IndexOutOfBoundsException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContext.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:54:26: error: redefinition of 'UnsupportedOperationException'
   54 |   class ANTLR4CPP_PUBLIC UnsupportedOperationException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:54:26: note: previous definition is here
   54 |   class ANTLR4CPP_PUBLIC UnsupportedOperationException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContext.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:63:26: error: redefinition of 'EmptyStackException'
   63 |   class ANTLR4CPP_PUBLIC EmptyStackException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:63:26: note: previous definition is here
   63 |   class ANTLR4CPP_PUBLIC EmptyStackException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContext.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:73:26: error: redefinition of 'IOException'
   73 |   class ANTLR4CPP_PUBLIC IOException : public std::exception {
      |                          ^
/extlibs/Exceptions.h:73:26: note: previous definition is here
   73 |   class ANTLR4CPP_PUBLIC IOException : public std::exception {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContext.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:83:26: error: redefinition of 'CancellationException'
   83 |   class ANTLR4CPP_PUBLIC CancellationException : public IllegalStateException {
      |                          ^
/extlibs/Exceptions.h:83:26: note: previous definition is here
   83 |   class ANTLR4CPP_PUBLIC CancellationException : public IllegalStateException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContext.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:91:26: error: redefinition of 'ParseCancellationException'
   91 |   class ANTLR4CPP_PUBLIC ParseCancellationException : public CancellationException {
      |                          ^
/extlibs/Exceptions.h:91:26: note: previous definition is here
   91 |   class ANTLR4CPP_PUBLIC ParseCancellationException : public CancellationException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContext.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:17:26: error: redefinition of 'RecognitionException'
   17 |   class ANTLR4CPP_PUBLIC RecognitionException : public RuntimeException {
      |                          ^
/extlibs/RecognitionException.h:17:26: note: previous definition is here
   17 |   class ANTLR4CPP_PUBLIC RecognitionException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContext.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:17:26: error: redefinition of 'ANTLRErrorListener'
   17 |   class ANTLR4CPP_PUBLIC ANTLRErrorListener {
      |                          ^
/extlibs/ANTLRErrorListener.h:17:26: note: previous definition is here
   17 |   class ANTLR4CPP_PUBLIC ANTLRErrorListener {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContext.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:16:26: error: redefinition of 'ProxyErrorListener'
   16 |   class ANTLR4CPP_PUBLIC ProxyErrorListener : public ANTLRErrorListener {
      |                          ^
/extlibs/ProxyErrorListener.h:16:26: note: previous definition is here
   16 |   class ANTLR4CPP_PUBLIC ProxyErrorListener : public ANTLRErrorListener {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContext.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:9:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support/Casts.h:15:6: error: redefinition of 'downCast'
   15 |   To downCast(From* from) {
      |      ^
/extlibs/support/Casts.h:15:6: note: previous definition is here
   15 |   To downCast(From* from) {
      |      ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContext.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:9:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support/Casts.h:25:6: error: redefinition of 'downCast'
   25 |   To downCast(From& from) {
      |      ^
/extlibs/support/Casts.h:25:6: note: previous definition is here
   25 |   To downCast(From& from) {
      |      ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContext.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:10:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SerializedATNView.h:20:26: error: redefinition of 'SerializedATNView'
   20 |   class ANTLR4CPP_PUBLIC SerializedATNView final {
      |                          ^
/extlibs/atn/SerializedATNView.h:20:26: note: previous definition is here
   20 |   class ANTLR4CPP_PUBLIC SerializedATNView final {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContext.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:10:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SerializedATNView.h:75:15: error: redefinition of 'operator=='
   75 |   inline bool operator==(const SerializedATNView &lhs, const SerializedATNView &rhs) {
      |               ^
/extlibs/atn/SerializedATNView.h:75:15: note: previous definition is here
   75 |   inline bool operator==(const SerializedATNView &lhs, const SerializedATNView &rhs) {
      |               ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContext.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:10:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SerializedATNView.h:80:15: error: redefinition of 'operator!='
   80 |   inline bool operator!=(const SerializedATNView &lhs, const SerializedATNView &rhs) {
      |               ^
/extlibs/atn/SerializedATNView.h:80:15: note: previous definition is here
   80 |   inline bool operator!=(const SerializedATNView &lhs, const SerializedATNView &rhs) {
      |               ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContext.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:10:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SerializedATNView.h:84:15: error: redefinition of 'operator<'
   84 |   inline bool operator<(const SerializedATNView &lhs, const SerializedATNView &rhs) {
      |               ^
/extlibs/atn/SerializedATNView.h:84:15: note: previous definition is here
   84 |   inline bool operator<(const SerializedATNView &lhs, const SerializedATNView &rhs) {
      |               ^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserRuleContext.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContext.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/ParseTree.h:21:26: error: redefinition of 'ParseTree'
   21 |   class ANTLR4CPP_PUBLIC ParseTree {
      |                          ^
/extlibs/tree/ParseTree.h:21:26: note: previous definition is here
   21 |   class ANTLR4CPP_PUBLIC ParseTree {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserRuleContext.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContext.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/ParseTree.h:89:26: error: redefinition of 'ParseTreeTracker'
   89 |   class ANTLR4CPP_PUBLIC ParseTreeTracker {
      |                          ^
/extlibs/tree/ParseTree.h:89:26: note: previous definition is here
   89 |   class ANTLR4CPP_PUBLIC ParseTreeTracker {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserRuleContext.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContext.h:62:26: error: redefinition of 'RuleContext'
   62 |   class ANTLR4CPP_PUBLIC RuleContext : public tree::ParseTree {
      |                          ^
/extlibs/RuleContext.h:62:26: note: previous definition is here
   62 |   class ANTLR4CPP_PUBLIC RuleContext : public tree::ParseTree {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserRuleContext.h:9:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support/CPPUtils.h:19:98: error: redefinition of default argument
   19 |   ANTLR4CPP_PUBLIC std::string indent(const std::string &s, const std::string &indentation, bool includingFirst = true);
      |                                                                                                  ^                ~~~~
/extlibs/support/CPPUtils.h:19:98: note: previous definition is here
   19 |   ANTLR4CPP_PUBLIC std::string indent(const std::string &s, const std::string &indentation, bool includingFirst = true);
      |                                                                                                  ^                ~~~~
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserRuleContext.h:9:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support/CPPUtils.h:23:10: error: redefinition of 'FinalAction'
   23 |   struct FinalAction {
      |          ^
/extlibs/support/CPPUtils.h:23:10: note: previous definition is here
   23 |   struct FinalAction {
      |          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserRuleContext.h:9:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support/CPPUtils.h:38:22: error: redefinition of 'finally'
   38 |   FinalAction finally(OnEnd f) {
      |                      ^
/extlibs/support/CPPUtils.h:38:22: note: previous definition is here
   38 |   FinalAction finally(OnEnd f) {
      |                      ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserRuleContext.h:9:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support/CPPUtils.h:44:15: error: redefinition of 'is'
   44 |   inline bool is(T2 *obj) { // For pointer types.
      |               ^
/extlibs/support/CPPUtils.h:44:15: note: previous definition is here
   44 |   inline bool is(T2 *obj) { // For pointer types.
      |               ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserRuleContext.h:9:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support/CPPUtils.h:49:15: error: redefinition of 'is'
   49 |   inline bool is(Ref const& obj) { // For shared pointers.
      |               ^
/extlibs/support/CPPUtils.h:49:15: note: previous definition is here
   49 |   inline bool is(Ref const& obj) { // For shared pointers.
      |               ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserRuleContext.h:9:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support/CPPUtils.h:54:15: error: redefinition of 'toString'
   54 |   std::string toString(const T &o) {
      |               ^
/extlibs/support/CPPUtils.h:54:15: note: previous definition is here
   54 |   std::string toString(const T &o) {
      |               ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserRuleContext.h:9:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support/CPPUtils.h:63:56: error: redefinition of default argument
   63 |   ANTLR4CPP_PUBLIC std::string what(std::exception_ptr eptr = std::current_exception());
      |                                                        ^      ~~~~~~~~~~~~~~~~~~~~~~~~
/extlibs/support/CPPUtils.h:63:56: note: previous definition is here
   63 |   ANTLR4CPP_PUBLIC std::string what(std::exception_ptr eptr = std::current_exception());
      |                                                        ^      ~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/ErrorNodeImpl.h:8:
In file included from /extlibs/tree/ErrorNode.h:8:
/extlibs/tree/TerminalNode.h:13:26: error: redefinition of 'TerminalNode'
   13 |   class ANTLR4CPP_PUBLIC TerminalNode : public ParseTree {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/TerminalNode.h:13:26: note: previous definition is here
   13 |   class ANTLR4CPP_PUBLIC TerminalNode : public ParseTree {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.cpp:12:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:13:26: error: redefinition of 'RuntimeException'
   13 |   class ANTLR4CPP_PUBLIC RuntimeException : public std::exception {
      |                          ^
/extlibs/Exceptions.h:13:26: note: previous definition is here
   13 |   class ANTLR4CPP_PUBLIC RuntimeException : public std::exception {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.cpp:12:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:22:26: error: redefinition of 'IllegalStateException'
   22 |   class ANTLR4CPP_PUBLIC IllegalStateException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:22:26: note: previous definition is here
   22 |   class ANTLR4CPP_PUBLIC IllegalStateException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.cpp:12:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:30:26: error: redefinition of 'IllegalArgumentException'
   30 |   class ANTLR4CPP_PUBLIC IllegalArgumentException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:30:26: note: previous definition is here
   30 |   class ANTLR4CPP_PUBLIC IllegalArgumentException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.cpp:12:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:38:26: error: redefinition of 'NullPointerException'
   38 |   class ANTLR4CPP_PUBLIC NullPointerException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:38:26: note: previous definition is here
   38 |   class ANTLR4CPP_PUBLIC NullPointerException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.cpp:12:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:46:26: error: redefinition of 'IndexOutOfBoundsException'
   46 |   class ANTLR4CPP_PUBLIC IndexOutOfBoundsException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:46:26: note: previous definition is here
   46 |   class ANTLR4CPP_PUBLIC IndexOutOfBoundsException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.cpp:12:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:54:26: error: redefinition of 'UnsupportedOperationException'
   54 |   class ANTLR4CPP_PUBLIC UnsupportedOperationException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:54:26: note: previous definition is here
   54 |   class ANTLR4CPP_PUBLIC UnsupportedOperationException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.cpp:12:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:63:26: error: redefinition of 'EmptyStackException'
   63 |   class ANTLR4CPP_PUBLIC EmptyStackException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:63:26: note: previous definition is here
   63 |   class ANTLR4CPP_PUBLIC EmptyStackException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.cpp:12:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:73:26: error: redefinition of 'IOException'
   73 |   class ANTLR4CPP_PUBLIC IOException : public std::exception {
      |                          ^
/extlibs/Exceptions.h:73:26: note: previous definition is here
   73 |   class ANTLR4CPP_PUBLIC IOException : public std::exception {
      |                          ^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DefaultErrorStrategy.cpp:6:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.h:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:13:26: error: redefinition of 'RuntimeException'
   13 |   class ANTLR4CPP_PUBLIC RuntimeException : public std::exception {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:13:26: note: previous definition is here
   13 |   class ANTLR4CPP_PUBLIC RuntimeException : public std::exception {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DefaultErrorStrategy.cpp:6:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.h:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:22:26: error: redefinition of 'IllegalStateException'
   22 |   class ANTLR4CPP_PUBLIC IllegalStateException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:22:26: note: previous definition is here
   22 |   class ANTLR4CPP_PUBLIC IllegalStateException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DefaultErrorStrategy.cpp:6:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.h:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:30:26: error: redefinition of 'IllegalArgumentException'
   30 |   class ANTLR4CPP_PUBLIC IllegalArgumentException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:30:26: note: previous definition is here
   30 |   class ANTLR4CPP_PUBLIC IllegalArgumentException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DefaultErrorStrategy.cpp:6:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.h:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:38:26: error: redefinition of 'NullPointerException'
   38 |   class ANTLR4CPP_PUBLIC NullPointerException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:38:26: note: previous definition is here
   38 |   class ANTLR4CPP_PUBLIC NullPointerException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DefaultErrorStrategy.cpp:6:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.h:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:46:26: error: redefinition of 'IndexOutOfBoundsException'
   46 |   class ANTLR4CPP_PUBLIC IndexOutOfBoundsException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:46:26: note: previous definition is here
   46 |   class ANTLR4CPP_PUBLIC IndexOutOfBoundsException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DefaultErrorStrategy.cpp:6:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.h:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:54:26: error: redefinition of 'UnsupportedOperationException'
   54 |   class ANTLR4CPP_PUBLIC UnsupportedOperationException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:54:26: note: previous definition is here
   54 |   class ANTLR4CPP_PUBLIC UnsupportedOperationException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DefaultErrorStrategy.cpp:6:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.h:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:63:26: error: redefinition of 'EmptyStackException'
   63 |   class ANTLR4CPP_PUBLIC EmptyStackException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:63:26: note: previous definition is here
   63 |   class ANTLR4CPP_PUBLIC EmptyStackException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DefaultErrorStrategy.cpp:6:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.h:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:73:26: error: redefinition of 'IOException'
   73 |   class ANTLR4CPP_PUBLIC IOException : public std::exception {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:73:26: note: previous definition is here
   73 |   class ANTLR4CPP_PUBLIC IOException : public std::exception {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DefaultErrorStrategy.cpp:6:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.h:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:83:26: error: redefinition of 'CancellationException'
   83 |   class ANTLR4CPP_PUBLIC CancellationException : public IllegalStateException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:83:26: note: previous definition is here
   83 |   class ANTLR4CPP_PUBLIC CancellationException : public IllegalStateException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DefaultErrorStrategy.cpp:6:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.h:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:91:26: error: redefinition of 'ParseCancellationException'
   91 |   class ANTLR4CPP_PUBLIC ParseCancellationException : public CancellationException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:91:26: note: previous definition is here
   91 |   class ANTLR4CPP_PUBLIC ParseCancellationException : public CancellationException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DefaultErrorStrategy.cpp:6:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.h:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
/extlibs/RecognitionException.h:17:26: error: redefinition of 'RecognitionException'
   17 |   class ANTLR4CPP_PUBLIC RecognitionException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:17:26: note: previous definition is here
   17 |   class ANTLR4CPP_PUBLIC RecognitionException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DefaultErrorStrategy.cpp:7:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/IntervalSet.h:26:26: error: redefinition of 'IntervalSet'
   26 |   class ANTLR4CPP_PUBLIC IntervalSet final {
      |                          ^
/extlibs/misc/IntervalSet.h:26:26: note: previous definition is here
   26 |   class ANTLR4CPP_PUBLIC IntervalSet final {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DefaultErrorStrategy.cpp:7:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/IntervalSet.h:183:22: error: redefinition of 'hash'
  183 |   template <> struct hash
      |                      ^~~~~~~~~~~~~~~~~
/extlibs/misc/IntervalSet.h:183:22: note: previous definition is here
  183 |   template <> struct hash
      |                      ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DefaultErrorStrategy.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ParserATNSimulator.h:9:
In file included from /extlibs/dfa/DFAState.h:10:
/extlibs/atn/ATNConfigSet.h:20:26: error: redefinition of 'ATNConfigSet'
   20 |   class ANTLR4CPP_PUBLIC ATNConfigSet {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:20:26: note: previous definition is here
   20 |   class ANTLR4CPP_PUBLIC ATNConfigSet {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DefaultErrorStrategy.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ParserATNSimulator.h:9:
In file included from /extlibs/dfa/DFAState.h:10:
/extlibs/atn/ATNConfigSet.h:141:15: error: redefinition of 'operator=='
  141 |   inline bool operator==(const ATNConfigSet &lhs, const ATNConfigSet &rhs) { return lhs.equals(rhs); }
      |               ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:141:15: note: previous definition is here
  141 |   inline bool operator==(const ATNConfigSet &lhs, const ATNConfigSet &rhs) { return lhs.equals(rhs); }
      |               ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DefaultErrorStrategy.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ParserATNSimulator.h:9:
In file included from /extlibs/dfa/DFAState.h:10:
/extlibs/atn/ATNConfigSet.h:143:15: error: redefinition of 'operator!='
  143 |   inline bool operator!=(const ATNConfigSet &lhs, const ATNConfigSet &rhs) { return !operator==(lhs, rhs); }
      |               ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:143:15: note: previous definition is here
  143 |   inline bool operator!=(const ATNConfigSet &lhs, const ATNConfigSet &rhs) { return !operator==(lhs, rhs); }
      |               ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DefaultErrorStrategy.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ParserATNSimulator.h:9:
In file included from /extlibs/dfa/DFAState.h:10:
/extlibs/atn/ATNConfigSet.h:151:8: error: redefinition of 'hash'
  151 | struct hash<::antlr4::atn::ATNConfigSet> {
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:151:8: note: previous definition is here
  151 | struct hash<::antlr4::atn::ATNConfigSet> {
      |        ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DefaultErrorStrategy.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ParserATNSimulator.h:14:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:21:26: error: redefinition of 'SemanticContext'
   21 |   class ANTLR4CPP_PUBLIC SemanticContext : public std::enable_shared_from_this {
      |                          ^
/extlibs/atn/SemanticContext.h:21:26: note: previous definition is here
   21 |   class ANTLR4CPP_PUBLIC SemanticContext : public std::enable_shared_from_this {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DefaultErrorStrategy.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ParserATNSimulator.h:14:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:87:15: error: redefinition of 'operator=='
   87 |   inline bool operator==(const SemanticContext &lhs, const SemanticContext &rhs) {
      |               ^
/extlibs/atn/SemanticContext.h:87:15: note: previous definition is here
   87 |   inline bool operator==(const SemanticContext &lhs, const SemanticContext &rhs) {
      |               ^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerInterpreter.cpp:9:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:13:26: error: redefinition of 'RuntimeException'
   13 |   class ANTLR4CPP_PUBLIC RuntimeException : public std::exception {
      |                          ^
/extlibs/Exceptions.h:13:26: note: previous definition is here
   13 |   class ANTLR4CPP_PUBLIC RuntimeException : public std::exception {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerInterpreter.cpp:9:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:22:26: error: redefinition of 'IllegalStateException'
   22 |   class ANTLR4CPP_PUBLIC IllegalStateException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:22:26: note: previous definition is here
   22 |   class ANTLR4CPP_PUBLIC IllegalStateException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerInterpreter.cpp:9:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:30:26: error: redefinition of 'IllegalArgumentException'
   30 |   class ANTLR4CPP_PUBLIC IllegalArgumentException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:30:26: note: previous definition is here
   30 |   class ANTLR4CPP_PUBLIC IllegalArgumentException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerInterpreter.cpp:9:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:38:26: error: redefinition of 'NullPointerException'
   38 |   class ANTLR4CPP_PUBLIC NullPointerException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:38:26: note: previous definition is here
   38 |   class ANTLR4CPP_PUBLIC NullPointerException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerInterpreter.cpp:9:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:46:26: error: redefinition of 'IndexOutOfBoundsException'
   46 |   class ANTLR4CPP_PUBLIC IndexOutOfBoundsException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:46:26: note: previous definition is here
   46 |   class ANTLR4CPP_PUBLIC IndexOutOfBoundsException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerInterpreter.cpp:9:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:54:26: error: redefinition of 'UnsupportedOperationException'
   54 |   class ANTLR4CPP_PUBLIC UnsupportedOperationException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:54:26: note: previous definition is here
   54 |   class ANTLR4CPP_PUBLIC UnsupportedOperationException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerInterpreter.cpp:9:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:63:26: error: redefinition of 'EmptyStackException'
   63 |   class ANTLR4CPP_PUBLIC EmptyStackException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:63:26: note: previous definition is here
   63 |   class ANTLR4CPP_PUBLIC EmptyStackException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerInterpreter.cpp:9:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:73:26: error: redefinition of 'IOException'
   73 |   class ANTLR4CPP_PUBLIC IOException : public std::exception {
      |                          ^
/extlibs/Exceptions.h:73:26: note: previous definition is here
   73 |   class ANTLR4CPP_PUBLIC IOException : public std::exception {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerInterpreter.cpp:9:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:83:26: error: redefinition of 'CancellationException'
   83 |   class ANTLR4CPP_PUBLIC CancellationException : public IllegalStateException {
      |                          ^
/extlibs/Exceptions.h:83:26: note: previous definition is here
   83 |   class ANTLR4CPP_PUBLIC CancellationException : public IllegalStateException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerInterpreter.cpp:9:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:91:26: error: redefinition of 'ParseCancellationException'
   91 |   class ANTLR4CPP_PUBLIC ParseCancellationException : public CancellationException {
      |                          ^
/extlibs/Exceptions.h:91:26: note: previous definition is here
   91 |   class ANTLR4CPP_PUBLIC ParseCancellationException : public CancellationException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerInterpreter.cpp:12:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerInterpreter.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:17:26: error: redefinition of 'RecognitionException'
   17 |   class ANTLR4CPP_PUBLIC RecognitionException : public RuntimeException {
      |                          ^
/extlibs/RecognitionException.h:17:26: note: previous definition is here
   17 |   class ANTLR4CPP_PUBLIC RecognitionException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerInterpreter.cpp:12:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerInterpreter.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:17:26: error: redefinition of 'ANTLRErrorListener'
   17 |   class ANTLR4CPP_PUBLIC ANTLRErrorListener {
      |                          ^
/extlibs/ANTLRErrorListener.h:17:26: note: previous definition is here
   17 |   class ANTLR4CPP_PUBLIC ANTLRErrorListener {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerInterpreter.cpp:12:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerInterpreter.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:16:26: error: redefinition of 'ProxyErrorListener'
   16 |   class ANTLR4CPP_PUBLIC ProxyErrorListener : public ANTLRErrorListener {
      |                          ^
/extlibs/ProxyErrorListener.h:16:26: note: previous definition is here
   16 |   class ANTLR4CPP_PUBLIC ProxyErrorListener : public ANTLRErrorListener {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerInterpreter.cpp:12:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerInterpreter.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:9:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support/Casts.h:15:6: error: redefinition of 'downCast'
   15 |   To downCast(From* from) {
      |      ^
/extlibs/support/Casts.h:15:6: note: previous definition is here
   15 |   To downCast(From* from) {
      |      ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerInterpreter.cpp:12:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerInterpreter.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:9:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support/Casts.h:25:6: error: redefinition of 'downCast'
   25 |   To downCast(From& from) {
      |      ^
/extlibs/support/Casts.h:25:6: note: previous definition is here
   25 |   To downCast(From& from) {
      |      ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerInterpreter.cpp:12:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerInterpreter.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:10:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SerializedATNView.h:20:26: error: redefinition of 'SerializedATNView'
   20 |   class ANTLR4CPP_PUBLIC SerializedATNView final {
      |                          ^
/extlibs/atn/SerializedATNView.h:20:26: note: previous definition is here
   20 |   class ANTLR4CPP_PUBLIC SerializedATNView final {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerInterpreter.cpp:12:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerInterpreter.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:10:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SerializedATNView.h:75:15: error: redefinition of 'operator=='
   75 |   inline bool operator==(const SerializedATNView &lhs, const SerializedATNView &rhs) {
      |               ^
/extlibs/atn/SerializedATNView.h:75:15: note: previous definition is here
   75 |   inline bool operator==(const SerializedATNView &lhs, const SerializedATNView &rhs) {
      |               ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerInterpreter.cpp:12:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerInterpreter.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:10:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SerializedATNView.h:80:15: error: redefinition of 'operator!='
   80 |   inline bool operator!=(const SerializedATNView &lhs, const SerializedATNView &rhs) {
      |               ^
/extlibs/atn/SerializedATNView.h:80:15: note: previous definition is here
   80 |   inline bool operator!=(const SerializedATNView &lhs, const SerializedATNView &rhs) {
      |               ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerInterpreter.cpp:12:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerInterpreter.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:10:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SerializedATNView.h:84:15: error: redefinition of 'operator<'
   84 |   inline bool operator<(const SerializedATNView &lhs, const SerializedATNView &rhs) {
      |               ^
/extlibs/atn/SerializedATNView.h:84:15: note: previous definition is here
   84 |   inline bool operator<(const SerializedATNView &lhs, const SerializedATNView &rhs) {
      |               ^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/BailErrorStrategy.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/BailErrorStrategy.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DefaultErrorStrategy.h:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/IntervalSet.h:8:
/extlibs/misc/Interval.h:16:20: error: redefinition of 'numericToSymbol'
   16 |   constexpr size_t numericToSymbol(ssize_t v) { return static_cast(v); }
      |                    ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/Interval.h:16:20: note: previous definition is here
   16 |   constexpr size_t numericToSymbol(ssize_t v) { return static_cast(v); }
      |                    ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/BailErrorStrategy.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/BailErrorStrategy.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DefaultErrorStrategy.h:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/IntervalSet.h:8:
/extlibs/misc/Interval.h:17:21: error: redefinition of 'symbolToNumeric'
   17 |   constexpr ssize_t symbolToNumeric(size_t v) { return static_cast(v); }
      |                     ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/Interval.h:17:21: note: previous definition is here
   17 |   constexpr ssize_t symbolToNumeric(size_t v) { return static_cast(v); }
      |                     ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/BailErrorStrategy.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/BailErrorStrategy.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DefaultErrorStrategy.h:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/IntervalSet.h:8:
/extlibs/misc/Interval.h:20:26: error: redefinition of 'Interval'
   20 |   class ANTLR4CPP_PUBLIC Interval final {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/Interval.h:20:26: note: previous definition is here
   20 |   class ANTLR4CPP_PUBLIC Interval final {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/BailErrorStrategy.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/BailErrorStrategy.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DefaultErrorStrategy.h:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/IntervalSet.h:9:
/extlibs/Exceptions.h:13:26: error: redefinition of 'RuntimeException'
   13 |   class ANTLR4CPP_PUBLIC RuntimeException : public std::exception {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:13:26: note: previous definition is here
   13 |   class ANTLR4CPP_PUBLIC RuntimeException : public std::exception {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/BailErrorStrategy.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/BailErrorStrategy.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DefaultErrorStrategy.h:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/IntervalSet.h:9:
/extlibs/Exceptions.h:22:26: error: redefinition of 'IllegalStateException'
   22 |   class ANTLR4CPP_PUBLIC IllegalStateException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:22:26: note: previous definition is here
   22 |   class ANTLR4CPP_PUBLIC IllegalStateException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/BailErrorStrategy.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/BailErrorStrategy.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DefaultErrorStrategy.h:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/IntervalSet.h:9:
/extlibs/Exceptions.h:30:26: error: redefinition of 'IllegalArgumentException'
   30 |   class ANTLR4CPP_PUBLIC IllegalArgumentException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:30:26: note: previous definition is here
   30 |   class ANTLR4CPP_PUBLIC IllegalArgumentException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/BailErrorStrategy.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/BailErrorStrategy.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DefaultErrorStrategy.h:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/IntervalSet.h:9:
/extlibs/Exceptions.h:38:26: error: redefinition of 'NullPointerException'
   38 |   class ANTLR4CPP_PUBLIC NullPointerException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:38:26: note: previous definition is here
   38 |   class ANTLR4CPP_PUBLIC NullPointerException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/BailErrorStrategy.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/BailErrorStrategy.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DefaultErrorStrategy.h:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/IntervalSet.h:9:
/extlibs/Exceptions.h:46:26: error: redefinition of 'IndexOutOfBoundsException'
   46 |   class ANTLR4CPP_PUBLIC IndexOutOfBoundsException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:46:26: note: previous definition is here
   46 |   class ANTLR4CPP_PUBLIC IndexOutOfBoundsException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/BailErrorStrategy.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/BailErrorStrategy.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DefaultErrorStrategy.h:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/IntervalSet.h:9:
/extlibs/Exceptions.h:54:26: error: redefinition of 'UnsupportedOperationException'
   54 |   class ANTLR4CPP_PUBLIC UnsupportedOperationException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:54:26: note: previous definition is here
   54 |   class ANTLR4CPP_PUBLIC UnsupportedOperationException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/BailErrorStrategy.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/BailErrorStrategy.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DefaultErrorStrategy.h:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/IntervalSet.h:9:
/extlibs/Exceptions.h:63:26: error: redefinition of 'EmptyStackException'
   63 |   class ANTLR4CPP_PUBLIC EmptyStackException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:63:26: note: previous definition is here
   63 |   class ANTLR4CPP_PUBLIC EmptyStackException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/BailErrorStrategy.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/BailErrorStrategy.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DefaultErrorStrategy.h:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/IntervalSet.h:9:
/extlibs/Exceptions.h:73:26: error: redefinition of 'IOException'
   73 |   class ANTLR4CPP_PUBLIC IOException : public std::exception {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:73:26: note: previous definition is here
   73 |   class ANTLR4CPP_PUBLIC IOException : public std::exception {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/BailErrorStrategy.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/BailErrorStrategy.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DefaultErrorStrategy.h:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/IntervalSet.h:9:
/extlibs/Exceptions.h:83:26: error: redefinition of 'CancellationException'
   83 |   class ANTLR4CPP_PUBLIC CancellationException : public IllegalStateException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:83:26: note: previous definition is here
   83 |   class ANTLR4CPP_PUBLIC CancellationException : public IllegalStateException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/BailErrorStrategy.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/BailErrorStrategy.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DefaultErrorStrategy.h:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/IntervalSet.h:9:
/extlibs/Exceptions.h:91:26: error: redefinition of 'ParseCancellationException'
   91 |   class ANTLR4CPP_PUBLIC ParseCancellationException : public CancellationException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:91:26: note: previous definition is here
   91 |   class ANTLR4CPP_PUBLIC ParseCancellationException : public CancellationException {
      |                          ^
13 errors generated.
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.cpp:7:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:11:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/internal/Synchronization.h:51:26: error: redefinition of 'Mutex'
   51 |   class ANTLR4CPP_PUBLIC Mutex final {
      |                          ^
/extlibs/internal/Synchronization.h:51:26: note: previous definition is here
   51 |   class ANTLR4CPP_PUBLIC Mutex final {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.cpp:7:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:11:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/internal/Synchronization.h:81:26: error: redefinition of 'SharedMutex'
   81 |   class ANTLR4CPP_PUBLIC SharedMutex final {
      |                          ^
/extlibs/internal/Synchronization.h:81:26: note: previous definition is here
   81 |   class ANTLR4CPP_PUBLIC SharedMutex final {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.cpp:7:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:11:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/internal/Synchronization.h:122:26: error: redefinition of 'OnceFlag'
  122 |   class ANTLR4CPP_PUBLIC OnceFlag final {
      |                          ^
/extlibs/internal/Synchronization.h:122:26: note: previous definition is here
  122 |   class ANTLR4CPP_PUBLIC OnceFlag final {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.cpp:7:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:11:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/internal/Synchronization.h:146:8: error: redefinition of 'call_once'
  146 |   void call_once(OnceFlag &onceFlag, Callable &&callable, Args&&... args) {
      |        ^
/extlibs/internal/Synchronization.h:146:8: note: previous definition is here
  146 |   void call_once(OnceFlag &onceFlag, Callable &&callable, Args&&... args) {
      |        ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserRuleContext.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContext.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/ParseTree.h:21:26: error: redefinition of 'ParseTree'
   21 |   class ANTLR4CPP_PUBLIC ParseTree {
      |                          ^
/extlibs/tree/ParseTree.h:21:26: note: previous definition is here
   21 |   class ANTLR4CPP_PUBLIC ParseTree {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserRuleContext.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContext.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/ParseTree.h:89:26: error: redefinition of 'ParseTreeTracker'
   89 |   class ANTLR4CPP_PUBLIC ParseTreeTracker {
      |                          ^
/extlibs/tree/ParseTree.h:89:26: note: previous definition is here
   89 |   class ANTLR4CPP_PUBLIC ParseTreeTracker {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserRuleContext.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContext.h:62:26: error: redefinition of 'RuleContext'
   62 |   class ANTLR4CPP_PUBLIC RuleContext : public tree::ParseTree {
      |                          ^
/extlibs/RuleContext.h:62:26: note: previous definition is here
   62 |   class ANTLR4CPP_PUBLIC RuleContext : public tree::ParseTree {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/IntervalSet.h:9:
/extlibs/Exceptions.h:13:26: error: redefinition of 'RuntimeException'
   13 |   class ANTLR4CPP_PUBLIC RuntimeException : public std::exception {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:13:26: note: previous definition is here
   13 |   class ANTLR4CPP_PUBLIC RuntimeException : public std::exception {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/IntervalSet.h:9:
/extlibs/Exceptions.h:22:26: error: redefinition of 'IllegalStateException'
   22 |   class ANTLR4CPP_PUBLIC IllegalStateException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:22:26: note: previous definition is here
   22 |   class ANTLR4CPP_PUBLIC IllegalStateException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/IntervalSet.h:9:
/extlibs/Exceptions.h:30:26: error: redefinition of 'IllegalArgumentException'
   30 |   class ANTLR4CPP_PUBLIC IllegalArgumentException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:30:26: note: previous definition is here
   30 |   class ANTLR4CPP_PUBLIC IllegalArgumentException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/IntervalSet.h:9:
/extlibs/Exceptions.h:38:26: error: redefinition of 'NullPointerException'
   38 |   class ANTLR4CPP_PUBLIC NullPointerException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:38:26: note: previous definition is here
   38 |   class ANTLR4CPP_PUBLIC NullPointerException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/IntervalSet.h:9:
/extlibs/Exceptions.h:46:26: error: redefinition of 'IndexOutOfBoundsException'
   46 |   class ANTLR4CPP_PUBLIC IndexOutOfBoundsException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:46:26: note: previous definition is here
   46 |   class ANTLR4CPP_PUBLIC IndexOutOfBoundsException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/IntervalSet.h:9:
/extlibs/Exceptions.h:54:26: error: redefinition of 'UnsupportedOperationException'
   54 |   class ANTLR4CPP_PUBLIC UnsupportedOperationException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:54:26: note: previous definition is here
   54 |   class ANTLR4CPP_PUBLIC UnsupportedOperationException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/IntervalSet.h:9:
/extlibs/Exceptions.h:63:26: error: redefinition of 'EmptyStackException'
   63 |   class ANTLR4CPP_PUBLIC EmptyStackException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:63:26: note: previous definition is here
   63 |   class ANTLR4CPP_PUBLIC EmptyStackException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/IntervalSet.h:9:
/extlibs/Exceptions.h:73:26: error: redefinition of 'IOException'
   73 |   class ANTLR4CPP_PUBLIC IOException : public std::exception {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:73:26: note: previous definition is here
   73 |   class ANTLR4CPP_PUBLIC IOException : public std::exception {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/IntervalSet.h:9:
/extlibs/Exceptions.h:83:26: error: redefinition of 'CancellationException'
   83 |   class ANTLR4CPP_PUBLIC CancellationException : public IllegalStateException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:83:26: note: previous definition is here
   83 |   class ANTLR4CPP_PUBLIC CancellationException : public IllegalStateException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/IntervalSet.h:9:
/extlibs/Exceptions.h:91:26: error: redefinition of 'ParseCancellationException'
   91 |   class ANTLR4CPP_PUBLIC ParseCancellationException : public CancellationException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:91:26: note: previous definition is here
   91 |   class ANTLR4CPP_PUBLIC ParseCancellationException : public CancellationException {
      |                          ^
17 errors generated.
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.h:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:13:26: error: redefinition of 'RuntimeException'
   13 |   class ANTLR4CPP_PUBLIC RuntimeException : public std::exception {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:13:26: note: previous definition is here
   13 |   class ANTLR4CPP_PUBLIC RuntimeException : public std::exception {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.h:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:22:26: error: redefinition of 'IllegalStateException'
   22 |   class ANTLR4CPP_PUBLIC IllegalStateException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:22:26: note: previous definition is here
   22 |   class ANTLR4CPP_PUBLIC IllegalStateException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.h:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:30:26: error: redefinition of 'IllegalArgumentException'
   30 |   class ANTLR4CPP_PUBLIC IllegalArgumentException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:30:26: note: previous definition is here
   30 |   class ANTLR4CPP_PUBLIC IllegalArgumentException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.h:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:38:26: error: redefinition of 'NullPointerException'
   38 |   class ANTLR4CPP_PUBLIC NullPointerException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:38:26: note: previous definition is here
   38 |   class ANTLR4CPP_PUBLIC NullPointerException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.h:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:46:26: error: redefinition of 'IndexOutOfBoundsException'
   46 |   class ANTLR4CPP_PUBLIC IndexOutOfBoundsException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:46:26: note: previous definition is here
   46 |   class ANTLR4CPP_PUBLIC IndexOutOfBoundsException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.h:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:54:26: error: redefinition of 'UnsupportedOperationException'
   54 |   class ANTLR4CPP_PUBLIC UnsupportedOperationException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:54:26: note: previous definition is here
   54 |   class ANTLR4CPP_PUBLIC UnsupportedOperationException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.h:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:63:26: error: redefinition of 'EmptyStackException'
   63 |   class ANTLR4CPP_PUBLIC EmptyStackException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:63:26: note: previous definition is here
   63 |   class ANTLR4CPP_PUBLIC EmptyStackException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.h:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:73:26: error: redefinition of 'IOException'
   73 |   class ANTLR4CPP_PUBLIC IOException : public std::exception {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:73:26: note: previous definition is here
   73 |   class ANTLR4CPP_PUBLIC IOException : public std::exception {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.h:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:83:26: error: redefinition of 'CancellationException'
   83 |   class ANTLR4CPP_PUBLIC CancellationException : public IllegalStateException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:83:26: note: previous definition is here
   83 |   class ANTLR4CPP_PUBLIC CancellationException : public IllegalStateException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.h:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:91:26: error: redefinition of 'ParseCancellationException'
   91 |   class ANTLR4CPP_PUBLIC ParseCancellationException : public CancellationException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:91:26: note: previous definition is here
   91 |   class ANTLR4CPP_PUBLIC ParseCancellationException : public CancellationException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.h:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
/extlibs/RecognitionException.h:17:26: error: redefinition of 'RecognitionException'
   17 |   class ANTLR4CPP_PUBLIC RecognitionException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:17:26: note: previous definition is here
   17 |   class ANTLR4CPP_PUBLIC RecognitionException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.h:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
/extlibs/ANTLRErrorListener.h:17:26: error: redefinition of 'ANTLRErrorListener'
   17 |   class ANTLR4CPP_PUBLIC ANTLRErrorListener {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:17:26: note: previous definition is here
   17 |   class ANTLR4CPP_PUBLIC ANTLRErrorListener {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.h:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
/extlibs/ProxyErrorListener.h:16:26: error: redefinition of 'ProxyErrorListener'
   16 |   class ANTLR4CPP_PUBLIC ProxyErrorListener : public ANTLRErrorListener {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:16:26: note: previous definition is here
   16 |   class ANTLR4CPP_PUBLIC ProxyErrorListener : public ANTLRErrorListener {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.h:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:9:
/extlibs/support/Casts.h:15:6: error: redefinition of 'downCast'
   15 |   To downCast(From* from) {
      |      ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support/Casts.h:15:6: note: previous definition is here
   15 |   To downCast(From* from) {
      |      ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.h:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:9:
/extlibs/support/Casts.h:25:6: error: redefinition of 'downCast'
   25 |   To downCast(From& from) {
      |      ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support/Casts.h:25:6: note: previous definition is here
   25 |   To downCast(From& from) {
      |      ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.h:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:10:
/extlibs/atn/SerializedATNView.h:20:26: error: redefinition of 'SerializedATNView'
   20 |   class ANTLR4CPP_PUBLIC SerializedATNView final {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SerializedATNView.h:20:26: note: previous definition is here
   20 |   class ANTLR4CPP_PUBLIC SerializedATNView final {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.h:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:10:
/extlibs/atn/SerializedATNView.h:75:15: error: redefinition of 'operator=='
   75 |   inline bool operator==(const SerializedATNView &lhs, const SerializedATNView &rhs) {
      |               ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SerializedATNView.h:75:15: note: previous definition is here
   75 |   inline bool operator==(const SerializedATNView &lhs, const SerializedATNView &rhs) {
      |               ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.h:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:10:
/extlibs/atn/SerializedATNView.h:80:15: error: redefinition of 'operator!='
   80 |   inline bool operator!=(const SerializedATNView &lhs, const SerializedATNView &rhs) {
      |               ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SerializedATNView.h:80:15: note: previous definition is here
   80 |   inline bool operator!=(const SerializedATNView &lhs, const SerializedATNView &rhs) {
      |               ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/NoViableAltException.h:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:10:
/extlibs/atn/SerializedATNView.h:84:15: error: redefinition of 'operator<'
   84 |   inline bool operator<(const SerializedATNView &lhs, const SerializedATNView &rhs) {
      |               ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SerializedATNView.h:84:15: note: previous definition is here
   84 |   inline bool operator<(const SerializedATNView &lhs, const SerializedATNView &rhs) {
      |               ^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserInterpreter.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/InterpreterRuleContext.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserRuleContext.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContext.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/ParseTree.h:21:26: error: redefinition of 'ParseTree'
   21 |   class ANTLR4CPP_PUBLIC ParseTree {
      |                          ^
/extlibs/tree/ParseTree.h:21:26: note: previous definition is here
   21 |   class ANTLR4CPP_PUBLIC ParseTree {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserInterpreter.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/InterpreterRuleContext.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserRuleContext.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContext.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/ParseTree.h:89:26: error: redefinition of 'ParseTreeTracker'
   89 |   class ANTLR4CPP_PUBLIC ParseTreeTracker {
      |                          ^
/extlibs/tree/ParseTree.h:89:26: note: previous definition is here
   89 |   class ANTLR4CPP_PUBLIC ParseTreeTracker {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserInterpreter.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/InterpreterRuleContext.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserRuleContext.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContext.h:62:26: error: redefinition of 'RuleContext'
   62 |   class ANTLR4CPP_PUBLIC RuleContext : public tree::ParseTree {
      |                          ^
/extlibs/RuleContext.h:62:26: note: previous definition is here
   62 |   class ANTLR4CPP_PUBLIC RuleContext : public tree::ParseTree {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserInterpreter.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/InterpreterRuleContext.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserRuleContext.h:9:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support/CPPUtils.h:19:98: error: redefinition of default argument
   19 |   ANTLR4CPP_PUBLIC std::string indent(const std::string &s, const std::string &indentation, bool includingFirst = true);
      |                                                                                                  ^                ~~~~
/extlibs/support/CPPUtils.h:19:98: note: previous definition is here
   19 |   ANTLR4CPP_PUBLIC std::string indent(const std::string &s, const std::string &indentation, bool includingFirst = true);
      |                                                                                                  ^                ~~~~
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserInterpreter.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/InterpreterRuleContext.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserRuleContext.h:9:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support/CPPUtils.h:23:10: error: redefinition of 'FinalAction'
   23 |   struct FinalAction {
      |          ^
/extlibs/support/CPPUtils.h:23:10: note: previous definition is here
   23 |   struct FinalAction {
      |          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserInterpreter.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/InterpreterRuleContext.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserRuleContext.h:9:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support/CPPUtils.h:38:22: error: redefinition of 'finally'
   38 |   FinalAction finally(OnEnd f) {
      |                      ^
/extlibs/support/CPPUtils.h:38:22: note: previous definition is here
   38 |   FinalAction finally(OnEnd f) {
      |                      ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserInterpreter.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/InterpreterRuleContext.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserRuleContext.h:9:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support/CPPUtils.h:44:15: error: redefinition of 'is'
   44 |   inline bool is(T2 *obj) { // For pointer types.
      |               ^
/extlibs/support/CPPUtils.h:44:15: note: previous definition is here
   44 |   inline bool is(T2 *obj) { // For pointer types.
      |               ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserInterpreter.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/InterpreterRuleContext.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserRuleContext.h:9:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support/CPPUtils.h:49:15: error: redefinition of 'is'
   49 |   inline bool is(Ref const& obj) { // For shared pointers.
      |               ^
/extlibs/support/CPPUtils.h:49:15: note: previous definition is here
   49 |   inline bool is(Ref const& obj) { // For shared pointers.
      |               ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserInterpreter.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/InterpreterRuleContext.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserRuleContext.h:9:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support/CPPUtils.h:54:15: error: redefinition of 'toString'
   54 |   std::string toString(const T &o) {
      |               ^
/extlibs/support/CPPUtils.h:54:15: note: previous definition is here
   54 |   std::string toString(const T &o) {
      |               ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserInterpreter.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/InterpreterRuleContext.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserRuleContext.h:9:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support/CPPUtils.h:63:56: error: redefinition of default argument
   63 |   ANTLR4CPP_PUBLIC std::string what(std::exception_ptr eptr = std::current_exception());
      |                                                        ^      ~~~~~~~~~~~~~~~~~~~~~~~~
/extlibs/support/CPPUtils.h:63:56: note: previous definition is here
   63 |   ANTLR4CPP_PUBLIC std::string what(std::exception_ptr eptr = std::current_exception());
      |                                                        ^      ~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserInterpreter.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ParserATNSimulator.h:14:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:21:26: error: redefinition of 'SemanticContext'
   21 |   class ANTLR4CPP_PUBLIC SemanticContext : public std::enable_shared_from_this {
      |                          ^
/extlibs/atn/SemanticContext.h:21:26: note: previous definition is here
   21 |   class ANTLR4CPP_PUBLIC SemanticContext : public std::enable_shared_from_this {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserInterpreter.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ParserATNSimulator.h:14:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:87:15: error: redefinition of 'operator=='
   87 |   inline bool operator==(const SemanticContext &lhs, const SemanticContext &rhs) {
      |               ^
/extlibs/atn/SemanticContext.h:87:15: note: previous definition is here
   87 |   inline bool operator==(const SemanticContext &lhs, const SemanticContext &rhs) {
      |               ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserInterpreter.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ParserATNSimulator.h:14:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:91:15: error: redefinition of 'operator!='
   91 |   inline bool operator!=(const SemanticContext &lhs, const SemanticContext &rhs) {
      |               ^
/extlibs/atn/SemanticContext.h:91:15: note: previous definition is here
   91 |   inline bool operator!=(const SemanticContext &lhs, const SemanticContext &rhs) {
      |               ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserInterpreter.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ParserATNSimulator.h:14:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:95:43: error: redefinition of 'Empty'
   95 |   class ANTLR4CPP_PUBLIC SemanticContext::Empty : public SemanticContext{
      |                                           ^
/extlibs/atn/SemanticContext.h:95:43: note: previous definition is here
   95 |   class ANTLR4CPP_PUBLIC SemanticContext::Empty : public SemanticContext{
      |                                           ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserInterpreter.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ParserATNSimulator.h:14:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:104:43: error: redefinition of 'Predicate'
  104 |   class ANTLR4CPP_PUBLIC SemanticContext::Predicate final : public SemanticContext {
      |                                           ^
/extlibs/atn/SemanticContext.h:104:43: note: previous definition is here
  104 |   class ANTLR4CPP_PUBLIC SemanticContext::Predicate final : public SemanticContext {
      |                                           ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserInterpreter.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ParserATNSimulator.h:14:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:122:43: error: redefinition of 'PrecedencePredicate'
  122 |   class ANTLR4CPP_PUBLIC SemanticContext::PrecedencePredicate final : public SemanticContext {
      |                                           ^
/extlibs/atn/SemanticContext.h:122:43: note: previous definition is here
  122 |   class ANTLR4CPP_PUBLIC SemanticContext::PrecedencePredicate final : public SemanticContext {
      |                                           ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserInterpreter.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ParserATNSimulator.h:14:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:145:43: error: redefinition of 'Operator'
  145 |   class ANTLR4CPP_PUBLIC SemanticContext::Operator : public SemanticContext {
      |                                           ^
/extlibs/atn/SemanticContext.h:145:43: note: previous definition is here
  145 |   class ANTLR4CPP_PUBLIC SemanticContext::Operator : public SemanticContext {
      |                                           ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserInterpreter.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ParserATNSimulator.h:14:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:173:43: error: redefinition of 'AND'
  173 |   class ANTLR4CPP_PUBLIC SemanticContext::AND final : public SemanticContext::Operator {
      |                                           ^
/extlibs/atn/SemanticContext.h:173:43: note: previous definition is here
  173 |   class ANTLR4CPP_PUBLIC SemanticContext::AND final : public SemanticContext::Operator {
      |                                           ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserInterpreter.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ParserATNSimulator.h:14:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:201:43: error: redefinition of 'OR'
  201 |   class ANTLR4CPP_PUBLIC SemanticContext::OR final : public SemanticContext::Operator {
      |                                           ^
/extlibs/atn/SemanticContext.h:201:43: note: previous definition is here
  201 |   class ANTLR4CPP_PUBLIC SemanticContext::OR final : public SemanticContext::Operator {
      |                                           ^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContextWithAltNum.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContextWithAltNum.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserRuleContext.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContext.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/ParseTree.h:21:26: error: redefinition of 'ParseTree'
   21 |   class ANTLR4CPP_PUBLIC ParseTree {
      |                          ^
/extlibs/tree/ParseTree.h:21:26: note: previous definition is here
   21 |   class ANTLR4CPP_PUBLIC ParseTree {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContextWithAltNum.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContextWithAltNum.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserRuleContext.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContext.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/ParseTree.h:89:26: error: redefinition of 'ParseTreeTracker'
   89 |   class ANTLR4CPP_PUBLIC ParseTreeTracker {
      |                          ^
/extlibs/tree/ParseTree.h:89:26: note: previous definition is here
   89 |   class ANTLR4CPP_PUBLIC ParseTreeTracker {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContextWithAltNum.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContextWithAltNum.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserRuleContext.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RuleContext.h:62:26: error: redefinition of 'RuleContext'
   62 |   class ANTLR4CPP_PUBLIC RuleContext : public tree::ParseTree {
      |                          ^
/extlibs/RuleContext.h:62:26: note: previous definition is here
   62 |   class ANTLR4CPP_PUBLIC RuleContext : public tree::ParseTree {
      |                          ^
3 errors generated.
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.cpp:7:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:13:26: error: redefinition of 'RuntimeException'
   13 |   class ANTLR4CPP_PUBLIC RuntimeException : public std::exception {
      |                          ^
/extlibs/Exceptions.h:13:26: note: previous definition is here
   13 |   class ANTLR4CPP_PUBLIC RuntimeException : public std::exception {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.cpp:7:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:22:26: error: redefinition of 'IllegalStateException'
   22 |   class ANTLR4CPP_PUBLIC IllegalStateException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:22:26: note: previous definition is here
   22 |   class ANTLR4CPP_PUBLIC IllegalStateException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.cpp:7:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:30:26: error: redefinition of 'IllegalArgumentException'
   30 |   class ANTLR4CPP_PUBLIC IllegalArgumentException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:30:26: note: previous definition is here
   30 |   class ANTLR4CPP_PUBLIC IllegalArgumentException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.cpp:7:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:38:26: error: redefinition of 'NullPointerException'
   38 |   class ANTLR4CPP_PUBLIC NullPointerException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:38:26: note: previous definition is here
   38 |   class ANTLR4CPP_PUBLIC NullPointerException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.cpp:7:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:46:26: error: redefinition of 'IndexOutOfBoundsException'
   46 |   class ANTLR4CPP_PUBLIC IndexOutOfBoundsException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:46:26: note: previous definition is here
   46 |   class ANTLR4CPP_PUBLIC IndexOutOfBoundsException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.cpp:7:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:54:26: error: redefinition of 'UnsupportedOperationException'
   54 |   class ANTLR4CPP_PUBLIC UnsupportedOperationException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:54:26: note: previous definition is here
   54 |   class ANTLR4CPP_PUBLIC UnsupportedOperationException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.cpp:7:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:63:26: error: redefinition of 'EmptyStackException'
   63 |   class ANTLR4CPP_PUBLIC EmptyStackException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:63:26: note: previous definition is here
   63 |   class ANTLR4CPP_PUBLIC EmptyStackException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.cpp:7:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:73:26: error: redefinition of 'IOException'
   73 |   class ANTLR4CPP_PUBLIC IOException : public std::exception {
      |                          ^
/extlibs/Exceptions.h:73:26: note: previous definition is here
   73 |   class ANTLR4CPP_PUBLIC IOException : public std::exception {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.cpp:7:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:83:26: error: redefinition of 'CancellationException'
   83 |   class ANTLR4CPP_PUBLIC CancellationException : public IllegalStateException {
      |                          ^
/extlibs/Exceptions.h:83:26: note: previous definition is here
   83 |   class ANTLR4CPP_PUBLIC CancellationException : public IllegalStateException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.cpp:7:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:91:26: error: redefinition of 'ParseCancellationException'
   91 |   class ANTLR4CPP_PUBLIC ParseCancellationException : public CancellationException {
      |                          ^
/extlibs/Exceptions.h:91:26: note: previous definition is here
   91 |   class ANTLR4CPP_PUBLIC ParseCancellationException : public CancellationException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.cpp:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/Interval.h:16:20: error: redefinition of 'numericToSymbol'
   16 |   constexpr size_t numericToSymbol(ssize_t v) { return static_cast(v); }
      |                    ^
/extlibs/misc/Interval.h:16:20: note: previous definition is here
   16 |   constexpr size_t numericToSymbol(ssize_t v) { return static_cast(v); }
      |                    ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.cpp:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/Interval.h:17:21: error: redefinition of 'symbolToNumeric'
   17 |   constexpr ssize_t symbolToNumeric(size_t v) { return static_cast(v); }
      |                     ^
/extlibs/misc/Interval.h:17:21: note: previous definition is here
   17 |   constexpr ssize_t symbolToNumeric(size_t v) { return static_cast(v); }
      |                     ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.cpp:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/misc/Interval.h:20:26: error: redefinition of 'Interval'
   20 |   class ANTLR4CPP_PUBLIC Interval final {
      |                          ^
/extlibs/misc/Interval.h:20:26: note: previous definition is here
   20 |   class ANTLR4CPP_PUBLIC Interval final {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.cpp:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:17:26: error: redefinition of 'RecognitionException'
   17 |   class ANTLR4CPP_PUBLIC RecognitionException : public RuntimeException {
      |                          ^
/extlibs/RecognitionException.h:17:26: note: previous definition is here
   17 |   class ANTLR4CPP_PUBLIC RecognitionException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.cpp:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.h:9:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:20:26: error: redefinition of 'ATNConfigSet'
   20 |   class ANTLR4CPP_PUBLIC ATNConfigSet {
      |                          ^
/extlibs/atn/ATNConfigSet.h:20:26: note: previous definition is here
   20 |   class ANTLR4CPP_PUBLIC ATNConfigSet {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.cpp:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.h:9:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:141:15: error: redefinition of 'operator=='
  141 |   inline bool operator==(const ATNConfigSet &lhs, const ATNConfigSet &rhs) { return lhs.equals(rhs); }
      |               ^
/extlibs/atn/ATNConfigSet.h:141:15: note: previous definition is here
  141 |   inline bool operator==(const ATNConfigSet &lhs, const ATNConfigSet &rhs) { return lhs.equals(rhs); }
      |               ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.cpp:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.h:9:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:143:15: error: redefinition of 'operator!='
  143 |   inline bool operator!=(const ATNConfigSet &lhs, const ATNConfigSet &rhs) { return !operator==(lhs, rhs); }
      |               ^
/extlibs/atn/ATNConfigSet.h:143:15: note: previous definition is here
  143 |   inline bool operator!=(const ATNConfigSet &lhs, const ATNConfigSet &rhs) { return !operator==(lhs, rhs); }
      |               ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.cpp:10:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/LexerNoViableAltException.h:9:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:151:8: error: redefinition of 'hash'
  151 | struct hash<::antlr4::atn::ATNConfigSet> {
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/extlibs/atn/ATNConfigSet.h:151:8: note: previous definition is here
  151 | struct hash<::antlr4::atn::ATNConfigSet> {
      |        ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Lexer.cpp:11:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:17:26: error: redefinition of 'ANTLRErrorListener'
   17 |   class ANTLR4CPP_PUBLIC ANTLRErrorListener {
      |                          ^
/extlibs/ANTLRErrorListener.h:17:26: note: previous definition is here
   17 |   class ANTLR4CPP_PUBLIC ANTLRErrorListener {
      |                          ^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/FailedPredicateException.cpp:6:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ParserATNSimulator.h:14:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:21:26: error: redefinition of 'SemanticContext'
   21 |   class ANTLR4CPP_PUBLIC SemanticContext : public std::enable_shared_from_this {
      |                          ^
/extlibs/atn/SemanticContext.h:21:26: note: previous definition is here
   21 |   class ANTLR4CPP_PUBLIC SemanticContext : public std::enable_shared_from_this {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/FailedPredicateException.cpp:6:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ParserATNSimulator.h:14:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:87:15: error: redefinition of 'operator=='
   87 |   inline bool operator==(const SemanticContext &lhs, const SemanticContext &rhs) {
      |               ^
/extlibs/atn/SemanticContext.h:87:15: note: previous definition is here
   87 |   inline bool operator==(const SemanticContext &lhs, const SemanticContext &rhs) {
      |               ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/FailedPredicateException.cpp:6:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ParserATNSimulator.h:14:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:91:15: error: redefinition of 'operator!='
   91 |   inline bool operator!=(const SemanticContext &lhs, const SemanticContext &rhs) {
      |               ^
/extlibs/atn/SemanticContext.h:91:15: note: previous definition is here
   91 |   inline bool operator!=(const SemanticContext &lhs, const SemanticContext &rhs) {
      |               ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/FailedPredicateException.cpp:6:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ParserATNSimulator.h:14:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:95:43: error: redefinition of 'Empty'
   95 |   class ANTLR4CPP_PUBLIC SemanticContext::Empty : public SemanticContext{
      |                                           ^
/extlibs/atn/SemanticContext.h:95:43: note: previous definition is here
   95 |   class ANTLR4CPP_PUBLIC SemanticContext::Empty : public SemanticContext{
      |                                           ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/FailedPredicateException.cpp:6:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ParserATNSimulator.h:14:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:104:43: error: redefinition of 'Predicate'
  104 |   class ANTLR4CPP_PUBLIC SemanticContext::Predicate final : public SemanticContext {
      |                                           ^
/extlibs/atn/SemanticContext.h:104:43: note: previous definition is here
  104 |   class ANTLR4CPP_PUBLIC SemanticContext::Predicate final : public SemanticContext {
      |                                           ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/FailedPredicateException.cpp:6:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ParserATNSimulator.h:14:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:122:43: error: redefinition of 'PrecedencePredicate'
  122 |   class ANTLR4CPP_PUBLIC SemanticContext::PrecedencePredicate final : public SemanticContext {
      |                                           ^
/extlibs/atn/SemanticContext.h:122:43: note: previous definition is here
  122 |   class ANTLR4CPP_PUBLIC SemanticContext::PrecedencePredicate final : public SemanticContext {
      |                                           ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/FailedPredicateException.cpp:6:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ParserATNSimulator.h:14:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:145:43: error: redefinition of 'Operator'
  145 |   class ANTLR4CPP_PUBLIC SemanticContext::Operator : public SemanticContext {
      |                                           ^
/extlibs/atn/SemanticContext.h:145:43: note: previous definition is here
  145 |   class ANTLR4CPP_PUBLIC SemanticContext::Operator : public SemanticContext {
      |                                           ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/FailedPredicateException.cpp:6:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ParserATNSimulator.h:14:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:173:43: error: redefinition of 'AND'
  173 |   class ANTLR4CPP_PUBLIC SemanticContext::AND final : public SemanticContext::Operator {
      |                                           ^
/extlibs/atn/SemanticContext.h:173:43: note: previous definition is here
  173 |   class ANTLR4CPP_PUBLIC SemanticContext::AND final : public SemanticContext::Operator {
      |                                           ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/FailedPredicateException.cpp:6:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ParserATNSimulator.h:14:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:201:43: error: redefinition of 'OR'
  201 |   class ANTLR4CPP_PUBLIC SemanticContext::OR final : public SemanticContext::Operator {
      |                                           ^
/extlibs/atn/SemanticContext.h:201:43: note: previous definition is here
  201 |   class ANTLR4CPP_PUBLIC SemanticContext::OR final : public SemanticContext::Operator {
      |                                           ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/FailedPredicateException.cpp:6:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ParserATNSimulator.h:14:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:231:10: error: redefinition of 'hash'
  231 |   struct hash<::antlr4::atn::SemanticContext> {
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/extlibs/atn/SemanticContext.h:231:10: note: previous definition is here
  231 |   struct hash<::antlr4::atn::SemanticContext> {
      |          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/FailedPredicateException.cpp:7:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:13:26: error: redefinition of 'RuntimeException'
   13 |   class ANTLR4CPP_PUBLIC RuntimeException : public std::exception {
      |                          ^
/extlibs/Exceptions.h:13:26: note: previous definition is here
   13 |   class ANTLR4CPP_PUBLIC RuntimeException : public std::exception {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/FailedPredicateException.cpp:7:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:22:26: error: redefinition of 'IllegalStateException'
   22 |   class ANTLR4CPP_PUBLIC IllegalStateException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:22:26: note: previous definition is here
   22 |   class ANTLR4CPP_PUBLIC IllegalStateException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/FailedPredicateException.cpp:7:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:30:26: error: redefinition of 'IllegalArgumentException'
   30 |   class ANTLR4CPP_PUBLIC IllegalArgumentException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:30:26: note: previous definition is here
   30 |   class ANTLR4CPP_PUBLIC IllegalArgumentException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/FailedPredicateException.cpp:7:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:38:26: error: redefinition of 'NullPointerException'
   38 |   class ANTLR4CPP_PUBLIC NullPointerException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:38:26: note: previous definition is here
   38 |   class ANTLR4CPP_PUBLIC NullPointerException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/FailedPredicateException.cpp:7:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:46:26: error: redefinition of 'IndexOutOfBoundsException'
   46 |   class ANTLR4CPP_PUBLIC IndexOutOfBoundsException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:46:26: note: previous definition is here
   46 |   class ANTLR4CPP_PUBLIC IndexOutOfBoundsException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/FailedPredicateException.cpp:7:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:54:26: error: redefinition of 'UnsupportedOperationException'
   54 |   class ANTLR4CPP_PUBLIC UnsupportedOperationException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:54:26: note: previous definition is here
   54 |   class ANTLR4CPP_PUBLIC UnsupportedOperationException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/FailedPredicateException.cpp:7:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:63:26: error: redefinition of 'EmptyStackException'
   63 |   class ANTLR4CPP_PUBLIC EmptyStackException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:63:26: note: previous definition is here
   63 |   class ANTLR4CPP_PUBLIC EmptyStackException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/FailedPredicateException.cpp:7:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:73:26: error: redefinition of 'IOException'
   73 |   class ANTLR4CPP_PUBLIC IOException : public std::exception {
      |                          ^
/extlibs/Exceptions.h:73:26: note: previous definition is here
   73 |   class ANTLR4CPP_PUBLIC IOException : public std::exception {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/FailedPredicateException.cpp:7:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:83:26: error: redefinition of 'CancellationException'
   83 |   class ANTLR4CPP_PUBLIC CancellationException : public IllegalStateException {
      |                          ^
/extlibs/Exceptions.h:83:26: note: previous definition is here
   83 |   class ANTLR4CPP_PUBLIC CancellationException : public IllegalStateException {
      |                          ^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DiagnosticErrorListener.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
/extlibs/atn/PredictionContext.h:27:26: error: redefinition of 'PredictionContext'
   27 |   class ANTLR4CPP_PUBLIC PredictionContext {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/PredictionContext.h:27:26: note: previous definition is here
   27 |   class ANTLR4CPP_PUBLIC PredictionContext {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DiagnosticErrorListener.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
/extlibs/atn/PredictionContext.h:205:15: error: redefinition of 'operator=='
  205 |   inline bool operator==(const PredictionContext &lhs, const PredictionContext &rhs) {
      |               ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/PredictionContext.h:205:15: note: previous definition is here
  205 |   inline bool operator==(const PredictionContext &lhs, const PredictionContext &rhs) {
      |               ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DiagnosticErrorListener.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
/extlibs/atn/PredictionContext.h:209:15: error: redefinition of 'operator!='
  209 |   inline bool operator!=(const PredictionContext &lhs, const PredictionContext &rhs) {
      |               ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/PredictionContext.h:209:15: note: previous definition is here
  209 |   inline bool operator!=(const PredictionContext &lhs, const PredictionContext &rhs) {
      |               ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DiagnosticErrorListener.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:11:
/extlibs/atn/PredictionContext.h:219:10: error: redefinition of 'hash'
  219 |   struct hash<::antlr4::atn::PredictionContext> {
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/PredictionContext.h:219:10: note: previous definition is here
  219 |   struct hash<::antlr4::atn::PredictionContext> {
      |          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DiagnosticErrorListener.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:12:
/extlibs/atn/ATNConfig.h:24:26: error: redefinition of 'ATNConfig'
   24 |   class ANTLR4CPP_PUBLIC ATNConfig {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfig.h:24:26: note: previous definition is here
   24 |   class ANTLR4CPP_PUBLIC ATNConfig {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DiagnosticErrorListener.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:12:
/extlibs/atn/ATNConfig.h:138:22: error: redefinition of 'hash'
  138 |   template <> struct hash
      |                      ^~~~~~~~~~~~~~~
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfig.h:138:22: note: previous definition is here
  138 |   template <> struct hash
      |                      ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DiagnosticErrorListener.cpp:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfigSet.h:12:
/extlibs/atn/ATNConfig.h:146:22: error: redefinition of 'hash>>'
  146 |   template <> struct hash>>
      |                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfig.h:146:22: note: previous definition is here
  146 |   template <> struct hash>>
      |                      ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DiagnosticErrorListener.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:13:26: error: redefinition of 'RuntimeException'
   13 |   class ANTLR4CPP_PUBLIC RuntimeException : public std::exception {
      |                          ^
/extlibs/Exceptions.h:13:26: note: previous definition is here
   13 |   class ANTLR4CPP_PUBLIC RuntimeException : public std::exception {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DiagnosticErrorListener.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:22:26: error: redefinition of 'IllegalStateException'
   22 |   class ANTLR4CPP_PUBLIC IllegalStateException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:22:26: note: previous definition is here
   22 |   class ANTLR4CPP_PUBLIC IllegalStateException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DiagnosticErrorListener.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:30:26: error: redefinition of 'IllegalArgumentException'
   30 |   class ANTLR4CPP_PUBLIC IllegalArgumentException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:30:26: note: previous definition is here
   30 |   class ANTLR4CPP_PUBLIC IllegalArgumentException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DiagnosticErrorListener.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:38:26: error: redefinition of 'NullPointerException'
   38 |   class ANTLR4CPP_PUBLIC NullPointerException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:38:26: note: previous definition is here
   38 |   class ANTLR4CPP_PUBLIC NullPointerException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DiagnosticErrorListener.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:46:26: error: redefinition of 'IndexOutOfBoundsException'
   46 |   class ANTLR4CPP_PUBLIC IndexOutOfBoundsException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:46:26: note: previous definition is here
   46 |   class ANTLR4CPP_PUBLIC IndexOutOfBoundsException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DiagnosticErrorListener.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:54:26: error: redefinition of 'UnsupportedOperationException'
   54 |   class ANTLR4CPP_PUBLIC UnsupportedOperationException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:54:26: note: previous definition is here
   54 |   class ANTLR4CPP_PUBLIC UnsupportedOperationException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DiagnosticErrorListener.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:63:26: error: redefinition of 'EmptyStackException'
   63 |   class ANTLR4CPP_PUBLIC EmptyStackException : public RuntimeException {
      |                          ^
/extlibs/Exceptions.h:63:26: note: previous definition is here
   63 |   class ANTLR4CPP_PUBLIC EmptyStackException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DiagnosticErrorListener.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:73:26: error: redefinition of 'IOException'
   73 |   class ANTLR4CPP_PUBLIC IOException : public std::exception {
      |                          ^
/extlibs/Exceptions.h:73:26: note: previous definition is here
   73 |   class ANTLR4CPP_PUBLIC IOException : public std::exception {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DiagnosticErrorListener.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:83:26: error: redefinition of 'CancellationException'
   83 |   class ANTLR4CPP_PUBLIC CancellationException : public IllegalStateException {
      |                          ^
/extlibs/Exceptions.h:83:26: note: previous definition is here
   83 |   class ANTLR4CPP_PUBLIC CancellationException : public IllegalStateException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DiagnosticErrorListener.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:91:26: error: redefinition of 'ParseCancellationException'
   91 |   class ANTLR4CPP_PUBLIC ParseCancellationException : public CancellationException {
      |                          ^
/extlibs/Exceptions.h:91:26: note: previous definition is here
   91 |   class ANTLR4CPP_PUBLIC ParseCancellationException : public CancellationException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DiagnosticErrorListener.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:17:26: error: redefinition of 'RecognitionException'
   17 |   class ANTLR4CPP_PUBLIC RecognitionException : public RuntimeException {
      |                          ^
/extlibs/RecognitionException.h:17:26: note: previous definition is here
   17 |   class ANTLR4CPP_PUBLIC RecognitionException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/DiagnosticErrorListener.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.h:8:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ProxyErrorListener.h:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:17:26: error: redefinition of 'ANTLRErrorListener'
   17 |   class ANTLR4CPP_PUBLIC ANTLRErrorListener {
      |                          ^
/extlibs/ANTLRErrorListener.h:17:26: note: previous definition is here
   17 |   class ANTLR4CPP_PUBLIC ANTLRErrorListener {
      |                          ^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNSimulator.h:8:
/extlibs/atn/ATN.h:23:26: error: redefinition of 'ATN'
   23 |   class ANTLR4CPP_PUBLIC ATN {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATN.h:23:26: note: previous definition is here
   23 |   class ANTLR4CPP_PUBLIC ATN {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNSimulator.h:9:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:13:26: error: redefinition of 'RuntimeException'
   13 |   class ANTLR4CPP_PUBLIC RuntimeException : public std::exception {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:13:26: note: previous definition is here
   13 |   class ANTLR4CPP_PUBLIC RuntimeException : public std::exception {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNSimulator.h:9:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:22:26: error: redefinition of 'IllegalStateException'
   22 |   class ANTLR4CPP_PUBLIC IllegalStateException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:22:26: note: previous definition is here
   22 |   class ANTLR4CPP_PUBLIC IllegalStateException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNSimulator.h:9:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:30:26: error: redefinition of 'IllegalArgumentException'
   30 |   class ANTLR4CPP_PUBLIC IllegalArgumentException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:30:26: note: previous definition is here
   30 |   class ANTLR4CPP_PUBLIC IllegalArgumentException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNSimulator.h:9:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:38:26: error: redefinition of 'NullPointerException'
   38 |   class ANTLR4CPP_PUBLIC NullPointerException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:38:26: note: previous definition is here
   38 |   class ANTLR4CPP_PUBLIC NullPointerException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNSimulator.h:9:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:46:26: error: redefinition of 'IndexOutOfBoundsException'
   46 |   class ANTLR4CPP_PUBLIC IndexOutOfBoundsException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:46:26: note: previous definition is here
   46 |   class ANTLR4CPP_PUBLIC IndexOutOfBoundsException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNSimulator.h:9:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:54:26: error: redefinition of 'UnsupportedOperationException'
   54 |   class ANTLR4CPP_PUBLIC UnsupportedOperationException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:54:26: note: previous definition is here
   54 |   class ANTLR4CPP_PUBLIC UnsupportedOperationException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNSimulator.h:9:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:63:26: error: redefinition of 'EmptyStackException'
   63 |   class ANTLR4CPP_PUBLIC EmptyStackException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:63:26: note: previous definition is here
   63 |   class ANTLR4CPP_PUBLIC EmptyStackException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNSimulator.h:9:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:73:26: error: redefinition of 'IOException'
   73 |   class ANTLR4CPP_PUBLIC IOException : public std::exception {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:73:26: note: previous definition is here
   73 |   class ANTLR4CPP_PUBLIC IOException : public std::exception {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNSimulator.h:9:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:83:26: error: redefinition of 'CancellationException'
   83 |   class ANTLR4CPP_PUBLIC CancellationException : public IllegalStateException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:83:26: note: previous definition is here
   83 |   class ANTLR4CPP_PUBLIC CancellationException : public IllegalStateException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNSimulator.h:9:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
In file included from /extlibs/RecognitionException.h:8:
/extlibs/Exceptions.h:91:26: error: redefinition of 'ParseCancellationException'
   91 |   class ANTLR4CPP_PUBLIC ParseCancellationException : public CancellationException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Exceptions.h:91:26: note: previous definition is here
   91 |   class ANTLR4CPP_PUBLIC ParseCancellationException : public CancellationException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNSimulator.h:9:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
In file included from /extlibs/ANTLRErrorListener.h:8:
/extlibs/RecognitionException.h:17:26: error: redefinition of 'RecognitionException'
   17 |   class ANTLR4CPP_PUBLIC RecognitionException : public RuntimeException {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/RecognitionException.h:17:26: note: previous definition is here
   17 |   class ANTLR4CPP_PUBLIC RecognitionException : public RuntimeException {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNSimulator.h:9:
In file included from /extlibs/atn/PredictionContext.h:10:
In file included from /extlibs/Recognizer.h:8:
In file included from /extlibs/ProxyErrorListener.h:8:
/extlibs/ANTLRErrorListener.h:17:26: error: redefinition of 'ANTLRErrorListener'
   17 |   class ANTLR4CPP_PUBLIC ANTLRErrorListener {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h:17:26: note: previous definition is here
   17 |   class ANTLR4CPP_PUBLIC ANTLRErrorListener {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNSimulator.h:12:
/extlibs/support/CPPUtils.h:19:98: error: redefinition of default argument
   19 |   ANTLR4CPP_PUBLIC std::string indent(const std::string &s, const std::string &indentation, bool includingFirst = true);
      |                                                                                                  ^                ~~~~
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support/CPPUtils.h:19:98: note: previous definition is here
   19 |   ANTLR4CPP_PUBLIC std::string indent(const std::string &s, const std::string &indentation, bool includingFirst = true);
      |                                                                                                  ^                ~~~~
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNSimulator.h:12:
/extlibs/support/CPPUtils.h:23:10: error: redefinition of 'FinalAction'
   23 |   struct FinalAction {
      |          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support/CPPUtils.h:23:10: note: previous definition is here
   23 |   struct FinalAction {
      |          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNSimulator.h:12:
/extlibs/support/CPPUtils.h:38:22: error: redefinition of 'finally'
   38 |   FinalAction finally(OnEnd f) {
      |                      ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support/CPPUtils.h:38:22: note: previous definition is here
   38 |   FinalAction finally(OnEnd f) {
      |                      ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNSimulator.h:12:
/extlibs/support/CPPUtils.h:44:15: error: redefinition of 'is'
   44 |   inline bool is(T2 *obj) { // For pointer types.
      |               ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support/CPPUtils.h:44:15: note: previous definition is here
   44 |   inline bool is(T2 *obj) { // For pointer types.
      |               ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNSimulator.h:12:
/extlibs/support/CPPUtils.h:49:15: error: redefinition of 'is'
   49 |   inline bool is(Ref const& obj) { // For shared pointers.
      |               ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support/CPPUtils.h:49:15: note: previous definition is here
   49 |   inline bool is(Ref const& obj) { // For shared pointers.
      |               ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Recognizer.cpp:11:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNSimulator.h:12:
/extlibs/support/CPPUtils.h:54:15: error: redefinition of 'toString'
   54 |   std::string toString(const T &o) {
      |               ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/support/CPPUtils.h:54:15: note: previous definition is here
   54 |   std::string toString(const T &o) {
      |               ^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserRuleContext.cpp:7:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/ErrorNode.h:8:
/extlibs/tree/TerminalNode.h:13:26: error: redefinition of 'TerminalNode'
   13 |   class ANTLR4CPP_PUBLIC TerminalNode : public ParseTree {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/TerminalNode.h:13:26: note: previous definition is here
   13 |   class ANTLR4CPP_PUBLIC TerminalNode : public ParseTree {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserRuleContext.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:10:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/ParseTree.h:21:26: error: redefinition of 'ParseTree'
   21 |   class ANTLR4CPP_PUBLIC ParseTree {
      |                          ^
/extlibs/tree/ParseTree.h:21:26: note: previous definition is here
   21 |   class ANTLR4CPP_PUBLIC ParseTree {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/ParserRuleContext.cpp:9:
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/Parser.h:10:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/ParseTree.h:89:26: error: redefinition of 'ParseTreeTracker'
   89 |   class ANTLR4CPP_PUBLIC ParseTreeTracker {
      |                          ^
/extlibs/tree/ParseTree.h:89:26: note: previous definition is here
   89 |   class ANTLR4CPP_PUBLIC ParseTreeTracker {
      |                          ^
3 errors generated.
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfig.cpp:10:
In file included from /extlibs/atn/ATNConfig.h:11:
/extlibs/atn/SemanticContext.h:21:26: error: redefinition of 'SemanticContext'
   21 |   class ANTLR4CPP_PUBLIC SemanticContext : public std::enable_shared_from_this {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:21:26: note: previous definition is here
   21 |   class ANTLR4CPP_PUBLIC SemanticContext : public std::enable_shared_from_this {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfig.cpp:10:
In file included from /extlibs/atn/ATNConfig.h:11:
/extlibs/atn/SemanticContext.h:87:15: error: redefinition of 'operator=='
   87 |   inline bool operator==(const SemanticContext &lhs, const SemanticContext &rhs) {
      |               ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:87:15: note: previous definition is here
   87 |   inline bool operator==(const SemanticContext &lhs, const SemanticContext &rhs) {
      |               ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfig.cpp:10:
In file included from /extlibs/atn/ATNConfig.h:11:
/extlibs/atn/SemanticContext.h:91:15: error: redefinition of 'operator!='
   91 |   inline bool operator!=(const SemanticContext &lhs, const SemanticContext &rhs) {
      |               ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:91:15: note: previous definition is here
   91 |   inline bool operator!=(const SemanticContext &lhs, const SemanticContext &rhs) {
      |               ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfig.cpp:10:
In file included from /extlibs/atn/ATNConfig.h:11:
/extlibs/atn/SemanticContext.h:95:43: error: redefinition of 'Empty'
   95 |   class ANTLR4CPP_PUBLIC SemanticContext::Empty : public SemanticContext{
      |                                           ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:95:43: note: previous definition is here
   95 |   class ANTLR4CPP_PUBLIC SemanticContext::Empty : public SemanticContext{
      |                                           ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfig.cpp:10:
In file included from /extlibs/atn/ATNConfig.h:11:
/extlibs/atn/SemanticContext.h:104:43: error: redefinition of 'Predicate'
  104 |   class ANTLR4CPP_PUBLIC SemanticContext::Predicate final : public SemanticContext {
      |                                           ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:104:43: note: previous definition is here
  104 |   class ANTLR4CPP_PUBLIC SemanticContext::Predicate final : public SemanticContext {
      |                                           ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfig.cpp:10:
In file included from /extlibs/atn/ATNConfig.h:11:
/extlibs/atn/SemanticContext.h:122:43: error: redefinition of 'PrecedencePredicate'
  122 |   class ANTLR4CPP_PUBLIC SemanticContext::PrecedencePredicate final : public SemanticContext {
      |                                           ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:122:43: note: previous definition is here
  122 |   class ANTLR4CPP_PUBLIC SemanticContext::PrecedencePredicate final : public SemanticContext {
      |                                           ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfig.cpp:10:
In file included from /extlibs/atn/ATNConfig.h:11:
/extlibs/atn/SemanticContext.h:145:43: error: redefinition of 'Operator'
  145 |   class ANTLR4CPP_PUBLIC SemanticContext::Operator : public SemanticContext {
      |                                           ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:145:43: note: previous definition is here
  145 |   class ANTLR4CPP_PUBLIC SemanticContext::Operator : public SemanticContext {
      |                                           ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfig.cpp:10:
In file included from /extlibs/atn/ATNConfig.h:11:
/extlibs/atn/SemanticContext.h:173:43: error: redefinition of 'AND'
  173 |   class ANTLR4CPP_PUBLIC SemanticContext::AND final : public SemanticContext::Operator {
      |                                           ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:173:43: note: previous definition is here
  173 |   class ANTLR4CPP_PUBLIC SemanticContext::AND final : public SemanticContext::Operator {
      |                                           ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfig.cpp:10:
In file included from /extlibs/atn/ATNConfig.h:11:
/extlibs/atn/SemanticContext.h:201:43: error: redefinition of 'OR'
  201 |   class ANTLR4CPP_PUBLIC SemanticContext::OR final : public SemanticContext::Operator {
      |                                           ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:201:43: note: previous definition is here
  201 |   class ANTLR4CPP_PUBLIC SemanticContext::OR final : public SemanticContext::Operator {
      |                                           ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/ATNConfig.cpp:10:
In file included from /extlibs/atn/ATNConfig.h:11:
/extlibs/atn/SemanticContext.h:231:10: error: redefinition of 'hash'
  231 |   struct hash<::antlr4::atn::SemanticContext> {
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:231:10: note: previous definition is here
  231 |   struct hash<::antlr4::atn::SemanticContext> {
      |          ^
10 errors generated.
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/LexerATNConfig.cpp:15:
In file included from /extlibs/atn/LexerATNConfig.h:8:
In file included from /extlibs/atn/ATNConfig.h:11:
/extlibs/atn/SemanticContext.h:21:26: error: redefinition of 'SemanticContext'
   21 |   class ANTLR4CPP_PUBLIC SemanticContext : public std::enable_shared_from_this {
      |                          ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:21:26: note: previous definition is here
   21 |   class ANTLR4CPP_PUBLIC SemanticContext : public std::enable_shared_from_this {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/LexerATNConfig.cpp:15:
In file included from /extlibs/atn/LexerATNConfig.h:8:
In file included from /extlibs/atn/ATNConfig.h:11:
/extlibs/atn/SemanticContext.h:87:15: error: redefinition of 'operator=='
   87 |   inline bool operator==(const SemanticContext &lhs, const SemanticContext &rhs) {
      |               ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:87:15: note: previous definition is here
   87 |   inline bool operator==(const SemanticContext &lhs, const SemanticContext &rhs) {
      |               ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/LexerATNConfig.cpp:15:
In file included from /extlibs/atn/LexerATNConfig.h:8:
In file included from /extlibs/atn/ATNConfig.h:11:
/extlibs/atn/SemanticContext.h:91:15: error: redefinition of 'operator!='
   91 |   inline bool operator!=(const SemanticContext &lhs, const SemanticContext &rhs) {
      |               ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:91:15: note: previous definition is here
   91 |   inline bool operator!=(const SemanticContext &lhs, const SemanticContext &rhs) {
      |               ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/LexerATNConfig.cpp:15:
In file included from /extlibs/atn/LexerATNConfig.h:8:
In file included from /extlibs/atn/ATNConfig.h:11:
/extlibs/atn/SemanticContext.h:95:43: error: redefinition of 'Empty'
   95 |   class ANTLR4CPP_PUBLIC SemanticContext::Empty : public SemanticContext{
      |                                           ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:95:43: note: previous definition is here
   95 |   class ANTLR4CPP_PUBLIC SemanticContext::Empty : public SemanticContext{
      |                                           ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/LexerATNConfig.cpp:15:
In file included from /extlibs/atn/LexerATNConfig.h:8:
In file included from /extlibs/atn/ATNConfig.h:11:
/extlibs/atn/SemanticContext.h:104:43: error: redefinition of 'Predicate'
  104 |   class ANTLR4CPP_PUBLIC SemanticContext::Predicate final : public SemanticContext {
      |                                           ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:104:43: note: previous definition is here
  104 |   class ANTLR4CPP_PUBLIC SemanticContext::Predicate final : public SemanticContext {
      |                                           ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/LexerATNConfig.cpp:15:
In file included from /extlibs/atn/LexerATNConfig.h:8:
In file included from /extlibs/atn/ATNConfig.h:11:
/extlibs/atn/SemanticContext.h:122:43: error: redefinition of 'PrecedencePredicate'
  122 |   class ANTLR4CPP_PUBLIC SemanticContext::PrecedencePredicate final : public SemanticContext {
      |                                           ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:122:43: note: previous definition is here
  122 |   class ANTLR4CPP_PUBLIC SemanticContext::PrecedencePredicate final : public SemanticContext {
      |                                           ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/LexerATNConfig.cpp:15:
In file included from /extlibs/atn/LexerATNConfig.h:8:
In file included from /extlibs/atn/ATNConfig.h:11:
/extlibs/atn/SemanticContext.h:145:43: error: redefinition of 'Operator'
  145 |   class ANTLR4CPP_PUBLIC SemanticContext::Operator : public SemanticContext {
      |                                           ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:145:43: note: previous definition is here
  145 |   class ANTLR4CPP_PUBLIC SemanticContext::Operator : public SemanticContext {
      |                                           ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/LexerATNConfig.cpp:15:
In file included from /extlibs/atn/LexerATNConfig.h:8:
In file included from /extlibs/atn/ATNConfig.h:11:
/extlibs/atn/SemanticContext.h:173:43: error: redefinition of 'AND'
  173 |   class ANTLR4CPP_PUBLIC SemanticContext::AND final : public SemanticContext::Operator {
      |                                           ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:173:43: note: previous definition is here
  173 |   class ANTLR4CPP_PUBLIC SemanticContext::AND final : public SemanticContext::Operator {
      |                                           ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/LexerATNConfig.cpp:15:
In file included from /extlibs/atn/LexerATNConfig.h:8:
In file included from /extlibs/atn/ATNConfig.h:11:
/extlibs/atn/SemanticContext.h:201:43: error: redefinition of 'OR'
  201 |   class ANTLR4CPP_PUBLIC SemanticContext::OR final : public SemanticContext::Operator {
      |                                           ^
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:201:43: note: previous definition is here
  201 |   class ANTLR4CPP_PUBLIC SemanticContext::OR final : public SemanticContext::Operator {
      |                                           ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/LexerATNConfig.cpp:15:
In file included from /extlibs/atn/LexerATNConfig.h:8:
In file included from /extlibs/atn/ATNConfig.h:11:
/extlibs/atn/SemanticContext.h:231:10: error: redefinition of 'hash'
  231 |   struct hash<::antlr4::atn::SemanticContext> {
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:231:10: note: previous definition is here
  231 |   struct hash<::antlr4::atn::SemanticContext> {
      |          ^
10 errors generated.
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/PredictionMode.cpp:10:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:21:26: error: redefinition of 'SemanticContext'
   21 |   class ANTLR4CPP_PUBLIC SemanticContext : public std::enable_shared_from_this {
      |                          ^
/extlibs/atn/SemanticContext.h:21:26: note: previous definition is here
   21 |   class ANTLR4CPP_PUBLIC SemanticContext : public std::enable_shared_from_this {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/PredictionMode.cpp:10:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:87:15: error: redefinition of 'operator=='
   87 |   inline bool operator==(const SemanticContext &lhs, const SemanticContext &rhs) {
      |               ^
/extlibs/atn/SemanticContext.h:87:15: note: previous definition is here
   87 |   inline bool operator==(const SemanticContext &lhs, const SemanticContext &rhs) {
      |               ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/PredictionMode.cpp:10:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:91:15: error: redefinition of 'operator!='
   91 |   inline bool operator!=(const SemanticContext &lhs, const SemanticContext &rhs) {
      |               ^
/extlibs/atn/SemanticContext.h:91:15: note: previous definition is here
   91 |   inline bool operator!=(const SemanticContext &lhs, const SemanticContext &rhs) {
      |               ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/PredictionMode.cpp:10:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:95:43: error: redefinition of 'Empty'
   95 |   class ANTLR4CPP_PUBLIC SemanticContext::Empty : public SemanticContext{
      |                                           ^
/extlibs/atn/SemanticContext.h:95:43: note: previous definition is here
   95 |   class ANTLR4CPP_PUBLIC SemanticContext::Empty : public SemanticContext{
      |                                           ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/PredictionMode.cpp:10:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:104:43: error: redefinition of 'Predicate'
  104 |   class ANTLR4CPP_PUBLIC SemanticContext::Predicate final : public SemanticContext {
      |                                           ^
/extlibs/atn/SemanticContext.h:104:43: note: previous definition is here
  104 |   class ANTLR4CPP_PUBLIC SemanticContext::Predicate final : public SemanticContext {
      |                                           ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/PredictionMode.cpp:10:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:122:43: error: redefinition of 'PrecedencePredicate'
  122 |   class ANTLR4CPP_PUBLIC SemanticContext::PrecedencePredicate final : public SemanticContext {
      |                                           ^
/extlibs/atn/SemanticContext.h:122:43: note: previous definition is here
  122 |   class ANTLR4CPP_PUBLIC SemanticContext::PrecedencePredicate final : public SemanticContext {
      |                                           ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/PredictionMode.cpp:10:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:145:43: error: redefinition of 'Operator'
  145 |   class ANTLR4CPP_PUBLIC SemanticContext::Operator : public SemanticContext {
      |                                           ^
/extlibs/atn/SemanticContext.h:145:43: note: previous definition is here
  145 |   class ANTLR4CPP_PUBLIC SemanticContext::Operator : public SemanticContext {
      |                                           ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/PredictionMode.cpp:10:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:173:43: error: redefinition of 'AND'
  173 |   class ANTLR4CPP_PUBLIC SemanticContext::AND final : public SemanticContext::Operator {
      |                                           ^
/extlibs/atn/SemanticContext.h:173:43: note: previous definition is here
  173 |   class ANTLR4CPP_PUBLIC SemanticContext::AND final : public SemanticContext::Operator {
      |                                           ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/PredictionMode.cpp:10:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:201:43: error: redefinition of 'OR'
  201 |   class ANTLR4CPP_PUBLIC SemanticContext::OR final : public SemanticContext::Operator {
      |                                           ^
/extlibs/atn/SemanticContext.h:201:43: note: previous definition is here
  201 |   class ANTLR4CPP_PUBLIC SemanticContext::OR final : public SemanticContext::Operator {
      |                                           ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/PredictionMode.cpp:10:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/atn/SemanticContext.h:231:10: error: redefinition of 'hash'
  231 |   struct hash<::antlr4::atn::SemanticContext> {
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/extlibs/atn/SemanticContext.h:231:10: note: previous definition is here
  231 |   struct hash<::antlr4::atn::SemanticContext> {
      |          ^
10 errors generated.
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/xpath/XPath.cpp:6:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/xpath/XPathLexer.h:12:8: error: redefinition of 'XPathLexer'
   12 | class  XPathLexer : public antlr4::Lexer {
      |        ^
/extlibs/tree/xpath/XPathLexer.h:10:8: note: previous definition is here
   10 | class  XPathLexer : public antlr4::Lexer {
      |        ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/xpath/XPath.cpp:7:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/xpath/XPathLexerErrorListener.h:14:26: error: redefinition of 'XPathLexerErrorListener'
   14 |   class ANTLR4CPP_PUBLIC XPathLexerErrorListener : public BaseErrorListener {
      |                          ^
/extlibs/tree/xpath/XPathLexerErrorListener.h:14:26: note: previous definition is here
   14 |   class ANTLR4CPP_PUBLIC XPathLexerErrorListener : public BaseErrorListener {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/xpath/XPath.cpp:8:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/xpath/XPathElement.h:16:26: error: redefinition of 'XPathElement'
   16 |   class ANTLR4CPP_PUBLIC XPathElement {
      |                          ^
/extlibs/tree/xpath/XPathElement.h:16:26: note: previous definition is here
   16 |   class ANTLR4CPP_PUBLIC XPathElement {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/xpath/XPath.cpp:9:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/xpath/XPathWildcardAnywhereElement.h:14:26: error: redefinition of 'XPathWildcardAnywhereElement'
   14 |   class ANTLR4CPP_PUBLIC XPathWildcardAnywhereElement : public XPathElement {
      |                          ^
/extlibs/tree/xpath/XPathWildcardAnywhereElement.h:14:26: note: previous definition is here
   14 |   class ANTLR4CPP_PUBLIC XPathWildcardAnywhereElement : public XPathElement {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/xpath/XPath.cpp:10:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/xpath/XPathWildcardElement.h:14:26: error: redefinition of 'XPathWildcardElement'
   14 |   class ANTLR4CPP_PUBLIC XPathWildcardElement : public XPathElement {
      |                          ^
/extlibs/tree/xpath/XPathWildcardElement.h:14:26: note: previous definition is here
   14 |   class ANTLR4CPP_PUBLIC XPathWildcardElement : public XPathElement {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/xpath/XPath.cpp:11:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/xpath/XPathTokenAnywhereElement.h:14:26: error: redefinition of 'XPathTokenAnywhereElement'
   14 |   class ANTLR4CPP_PUBLIC XPathTokenAnywhereElement : public XPathElement {
      |                          ^
/extlibs/tree/xpath/XPathTokenAnywhereElement.h:14:26: note: previous definition is here
   14 |   class ANTLR4CPP_PUBLIC XPathTokenAnywhereElement : public XPathElement {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/xpath/XPath.cpp:12:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/xpath/XPathTokenElement.h:14:26: error: redefinition of 'XPathTokenElement'
   14 |   class ANTLR4CPP_PUBLIC XPathTokenElement : public XPathElement {
      |                          ^
/extlibs/tree/xpath/XPathTokenElement.h:14:26: note: previous definition is here
   14 |   class ANTLR4CPP_PUBLIC XPathTokenElement : public XPathElement {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/xpath/XPath.cpp:13:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/xpath/XPathRuleAnywhereElement.h:15:26: error: redefinition of 'XPathRuleAnywhereElement'
   15 |   class ANTLR4CPP_PUBLIC XPathRuleAnywhereElement : public XPathElement {
      |                          ^
/extlibs/tree/xpath/XPathRuleAnywhereElement.h:15:26: note: previous definition is here
   15 |   class ANTLR4CPP_PUBLIC XPathRuleAnywhereElement : public XPathElement {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/xpath/XPath.cpp:14:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/xpath/XPathRuleElement.h:14:26: error: redefinition of 'XPathRuleElement'
   14 |   class ANTLR4CPP_PUBLIC XPathRuleElement : public XPathElement {
      |                          ^
/extlibs/tree/xpath/XPathRuleElement.h:14:26: note: previous definition is here
   14 |   class ANTLR4CPP_PUBLIC XPathRuleElement : public XPathElement {
      |                          ^
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/xpath/XPath.cpp:16:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/xpath/XPath.h:56:26: error: redefinition of 'XPath'
   56 |   class ANTLR4CPP_PUBLIC XPath {
      |                          ^
/extlibs/tree/xpath/XPath.h:56:26: note: previous definition is here
   56 |   class ANTLR4CPP_PUBLIC XPath {
      |                          ^
10 errors generated.
In file included from /coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/xpath/XPathLexer.cpp:5:
/coursegrader/submitdata/third_party/antlr4-runtime-4.13.2/runtime/src/tree/xpath/XPathLexer.h:12:8: error: redefinition of 'XPathLexer'
   12 | class  XPathLexer : public antlr4::Lexer {
      |        ^
/extlibs/tree/xpath/XPathLexer.h:10:8: note: previous definition is here
   10 | class  XPathLexer : public antlr4::Lexer {
      |        ^
1 error generated.