diff --git a/include/sem/Sema.h b/include/sem/Sema.h index 9ac057b..0c8949f 100644 --- a/include/sem/Sema.h +++ b/include/sem/Sema.h @@ -1,3 +1,4 @@ +//写这个 // 基于语法树的语义检查与名称绑定。 #pragma once diff --git a/include/sem/SymbolTable.h b/include/sem/SymbolTable.h index c9396dd..ddedf85 100644 --- a/include/sem/SymbolTable.h +++ b/include/sem/SymbolTable.h @@ -1,3 +1,4 @@ +//写这个 // 极简符号表：记录局部变量定义点。 #pragma once diff --git a/src/antlr4/SysYBaseVisitor.cpp b/src/antlr4/SysYBaseVisitor.cpp new file mode 100644 index 0000000..72e9df6 --- /dev/null +++ b/src/antlr4/SysYBaseVisitor.cpp @@ -0,0 +1,7 @@ + +// Generated from SysY.g4 by ANTLR 4.7.2 + + +#include "SysYBaseVisitor.h" + + diff --git a/src/antlr4/SysYBaseVisitor.h b/src/antlr4/SysYBaseVisitor.h new file mode 100644 index 0000000..aed0760 --- /dev/null +++ b/src/antlr4/SysYBaseVisitor.h @@ -0,0 +1,144 @@ + +// Generated from SysY.g4 by ANTLR 4.7.2 + +#pragma once + + +#include "antlr4-runtime.h" +#include "SysYVisitor.h" + + +/** + * This class provides an empty implementation of SysYVisitor, which can be + * extended to create a visitor which only needs to handle a subset of the available methods. + */ +class SysYBaseVisitor : public SysYVisitor { +public: + + virtual antlrcpp::Any visitCompUnit(SysYParser::CompUnitContext *ctx) override { + return visitChildren(ctx); + } + + virtual antlrcpp::Any visitDecl(SysYParser::DeclContext *ctx) override { + return visitChildren(ctx); + } + + virtual antlrcpp::Any visitConstDecl(SysYParser::ConstDeclContext *ctx) override { + return visitChildren(ctx); + } + + virtual antlrcpp::Any visitBType(SysYParser::BTypeContext *ctx) override { + return visitChildren(ctx); + } + + virtual antlrcpp::Any visitConstDef(SysYParser::ConstDefContext *ctx) override { + return visitChildren(ctx); + } + + virtual antlrcpp::Any visitConstInitVal(SysYParser::ConstInitValContext *ctx) override { + return visitChildren(ctx); + } + + virtual antlrcpp::Any visitVarDecl(SysYParser::VarDeclContext *ctx) override { + return visitChildren(ctx); + } + + virtual antlrcpp::Any visitVarDef(SysYParser::VarDefContext *ctx) override { + return visitChildren(ctx); + } + + virtual antlrcpp::Any visitInitVal(SysYParser::InitValContext *ctx) override { + return visitChildren(ctx); + } + + virtual antlrcpp::Any visitFuncDef(SysYParser::FuncDefContext *ctx) override { + return visitChildren(ctx); + } + + virtual antlrcpp::Any visitFuncType(SysYParser::FuncTypeContext *ctx) override { + return visitChildren(ctx); + } + + virtual antlrcpp::Any visitFuncFParams(SysYParser::FuncFParamsContext *ctx) override { + return visitChildren(ctx); + } + + virtual antlrcpp::Any visitFuncFParam(SysYParser::FuncFParamContext *ctx) override { + return visitChildren(ctx); + } + + virtual antlrcpp::Any visitBlock(SysYParser::BlockContext *ctx) override { + return visitChildren(ctx); + } + + virtual antlrcpp::Any visitBlockItem(SysYParser::BlockItemContext *ctx) override { + return visitChildren(ctx); + } + + virtual antlrcpp::Any visitStmt(SysYParser::StmtContext *ctx) override { + return visitChildren(ctx); + } + + virtual antlrcpp::Any visitExp(SysYParser::ExpContext *ctx) override { + return visitChildren(ctx); + } + + virtual antlrcpp::Any visitCond(SysYParser::CondContext *ctx) override { + return visitChildren(ctx); + } + + virtual antlrcpp::Any visitLVal(SysYParser::LValContext *ctx) override { + return visitChildren(ctx); + } + + virtual antlrcpp::Any visitPrimaryExp(SysYParser::PrimaryExpContext *ctx) override { + return visitChildren(ctx); + } + + virtual antlrcpp::Any visitNumber(SysYParser::NumberContext *ctx) override { + return visitChildren(ctx); + } + + virtual antlrcpp::Any visitUnaryExp(SysYParser::UnaryExpContext *ctx) override { + return visitChildren(ctx); + } + + virtual antlrcpp::Any visitUnaryOp(SysYParser::UnaryOpContext *ctx) override { + return visitChildren(ctx); + } + + virtual antlrcpp::Any visitFuncRParams(SysYParser::FuncRParamsContext *ctx) override { + return visitChildren(ctx); + } + + virtual antlrcpp::Any visitMulExp(SysYParser::MulExpContext *ctx) override { + return visitChildren(ctx); + } + + virtual antlrcpp::Any visitAddExp(SysYParser::AddExpContext *ctx) override { + return visitChildren(ctx); + } + + virtual antlrcpp::Any visitRelExp(SysYParser::RelExpContext *ctx) override { + return visitChildren(ctx); + } + + virtual antlrcpp::Any visitEqExp(SysYParser::EqExpContext *ctx) override { + return visitChildren(ctx); + } + + virtual antlrcpp::Any visitLAndExp(SysYParser::LAndExpContext *ctx) override { + return visitChildren(ctx); + } + + virtual antlrcpp::Any visitLOrExp(SysYParser::LOrExpContext *ctx) override { + return visitChildren(ctx); + } + + virtual antlrcpp::Any visitConstExp(SysYParser::ConstExpContext *ctx) override { + return visitChildren(ctx); + } + + +}; + diff --git a/src/antlr4/SysYLexer.cpp b/src/antlr4/SysYLexer.cpp new file mode 100644 index 0000000..a403879 --- /dev/null +++ b/src/antlr4/SysYLexer.cpp @@ -0,0 +1,377 @@ + +// Generated from SysY.g4 by ANTLR 4.7.2 + + +#include "SysYLexer.h" + + +using namespace antlr4; + + +SysYLexer::SysYLexer(CharStream *input) : Lexer(input) { + _interpreter = new atn::LexerATNSimulator(this, _atn, _decisionToDFA, _sharedContextCache); +} + +SysYLexer::~SysYLexer() { + delete _interpreter; +} + +std::string SysYLexer::getGrammarFileName() const { + return "SysY.g4"; +} + +const std::vector& SysYLexer::getRuleNames() const { + return _ruleNames; +} + +const std::vector& SysYLexer::getChannelNames() const { + return _channelNames; +} + +const std::vector& SysYLexer::getModeNames() const { + return _modeNames; +} + +const std::vector& SysYLexer::getTokenNames() const { + return _tokenNames; +} + +dfa::Vocabulary& SysYLexer::getVocabulary() const { + return _vocabulary; +} + +const std::vector SysYLexer::getSerializedATN() const { + return _serializedATN; +} + +const atn::ATN& SysYLexer::getATN() const { + return _atn; +} + + + + +// Static vars and initialization. +std::vector SysYLexer::_decisionToDFA; +atn::PredictionContextCache SysYLexer::_sharedContextCache; + +// We own the ATN which in turn owns the ATN states. +atn::ATN SysYLexer::_atn; +std::vector SysYLexer::_serializedATN; + +std::vector SysYLexer::_ruleNames = { + u8"T__0", u8"T__1", u8"T__2", u8"T__3", u8"T__4", u8"T__5", u8"T__6", + u8"T__7", u8"T__8", u8"T__9", u8"T__10", u8"T__11", u8"T__12", u8"T__13", + u8"T__14", u8"T__15", u8"T__16", u8"T__17", u8"T__18", u8"T__19", u8"T__20", + u8"T__21", u8"T__22", u8"T__23", u8"T__24", u8"T__25", u8"T__26", u8"T__27", + u8"T__28", u8"T__29", u8"T__30", u8"T__31", u8"T__32", u8"DIGIT", u8"HEXDIGIT", + u8"EXP", u8"PEXP", u8"FloatConst", u8"IntConst", u8"Ident", u8"WS", u8"LINE_COMMENT", + u8"BLOCK_COMMENT" +}; + +std::vector SysYLexer::_channelNames = { + "DEFAULT_TOKEN_CHANNEL", "HIDDEN" +}; + +std::vector SysYLexer::_modeNames = { + u8"DEFAULT_MODE" +}; + +std::vector SysYLexer::_literalNames = { + "", u8"'const'", u8"','", u8"';'", u8"'int'", u8"'float'", u8"'['", u8"']'", + u8"'='", u8"'{'", u8"'}'", u8"'('", u8"')'", u8"'void'", u8"'if'", u8"'else'", + u8"'while'", u8"'break'", u8"'continue'", u8"'return'", u8"'+'", u8"'-'", + u8"'!'", u8"'*'", u8"'/'", u8"'%'", u8"'<'", u8"'>'", u8"'<='", u8"'>='", + u8"'=='", u8"'!='", u8"'&&'", u8"'||'" +}; + +std::vector SysYLexer::_symbolicNames = { + "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", + "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", u8"FloatConst", + u8"IntConst", u8"Ident", u8"WS", u8"LINE_COMMENT", u8"BLOCK_COMMENT" +}; + +dfa::Vocabulary SysYLexer::_vocabulary(_literalNames, _symbolicNames); + +std::vector SysYLexer::_tokenNames; + +SysYLexer::Initializer::Initializer() { + // This code could be in a static initializer lambda, but VS doesn't allow access to private class members from there. + for (size_t i = 0; i < _symbolicNames.size(); ++i) { + std::string name = _vocabulary.getLiteralName(i); + if (name.empty()) { + name = _vocabulary.getSymbolicName(i); + } + + if (name.empty()) { + _tokenNames.push_back(""); + } else { + _tokenNames.push_back(name); + } + } + + _serializedATN = { + 0x3, 0x608b, 0xa72a, 0x8133, 0xb9ed, 0x417c, 0x3be7, 0x7786, 0x5964, + 0x2, 0x29, 0x160, 0x8, 0x1, 0x4, 0x2, 0x9, 0x2, 0x4, 0x3, 0x9, 0x3, + 0x4, 0x4, 0x9, 0x4, 0x4, 0x5, 0x9, 0x5, 0x4, 0x6, 0x9, 0x6, 0x4, 0x7, + 0x9, 0x7, 0x4, 0x8, 0x9, 0x8, 0x4, 0x9, 0x9, 0x9, 0x4, 0xa, 0x9, 0xa, + 0x4, 0xb, 0x9, 0xb, 0x4, 0xc, 0x9, 0xc, 0x4, 0xd, 0x9, 0xd, 0x4, 0xe, + 0x9, 0xe, 0x4, 0xf, 0x9, 0xf, 0x4, 0x10, 0x9, 0x10, 0x4, 0x11, 0x9, + 0x11, 0x4, 0x12, 0x9, 0x12, 0x4, 0x13, 0x9, 0x13, 0x4, 0x14, 0x9, 0x14, + 0x4, 0x15, 0x9, 0x15, 0x4, 0x16, 0x9, 0x16, 0x4, 0x17, 0x9, 0x17, 0x4, + 0x18, 0x9, 0x18, 0x4, 0x19, 0x9, 0x19, 0x4, 0x1a, 0x9, 0x1a, 0x4, 0x1b, + 0x9, 0x1b, 0x4, 0x1c, 0x9, 0x1c, 0x4, 0x1d, 0x9, 0x1d, 0x4, 0x1e, 0x9, + 0x1e, 0x4, 0x1f, 0x9, 0x1f, 0x4, 0x20, 0x9, 0x20, 0x4, 0x21, 0x9, 0x21, + 0x4, 0x22, 0x9, 0x22, 0x4, 0x23, 0x9, 0x23, 0x4, 0x24, 0x9, 0x24, 0x4, + 0x25, 0x9, 0x25, 0x4, 0x26, 0x9, 0x26, 0x4, 0x27, 0x9, 0x27, 0x4, 0x28, + 0x9, 0x28, 0x4, 0x29, 0x9, 0x29, 0x4, 0x2a, 0x9, 0x2a, 0x4, 0x2b, 0x9, + 0x2b, 0x4, 0x2c, 0x9, 0x2c, 0x3, 0x2, 0x3, 0x2, 0x3, 0x2, 0x3, 0x2, + 0x3, 0x2, 0x3, 0x2, 0x3, 0x3, 0x3, 0x3, 0x3, 0x4, 0x3, 0x4, 0x3, 0x5, + 0x3, 0x5, 0x3, 0x5, 0x3, 0x5, 0x3, 0x6, 0x3, 0x6, 0x3, 0x6, 0x3, 0x6, + 0x3, 0x6, 0x3, 0x6, 0x3, 0x7, 0x3, 0x7, 0x3, 0x8, 0x3, 0x8, 0x3, 0x9, + 0x3, 0x9, 0x3, 0xa, 0x3, 0xa, 0x3, 0xb, 0x3, 0xb, 0x3, 0xc, 0x3, 0xc, + 0x3, 0xd, 0x3, 0xd, 0x3, 0xe, 0x3, 0xe, 0x3, 0xe, 0x3, 0xe, 0x3, 0xe, + 0x3, 0xf, 0x3, 0xf, 0x3, 0xf, 0x3, 0x10, 0x3, 0x10, 0x3, 0x10, 0x3, + 0x10, 0x3, 0x10, 0x3, 0x11, 0x3, 0x11, 0x3, 0x11, 0x3, 0x11, 0x3, 0x11, + 0x3, 0x11, 0x3, 0x12, 0x3, 0x12, 0x3, 0x12, 0x3, 0x12, 0x3, 0x12, 0x3, + 0x12, 0x3, 0x13, 0x3, 0x13, 0x3, 0x13, 0x3, 0x13, 0x3, 0x13, 0x3, 0x13, + 0x3, 0x13, 0x3, 0x13, 0x3, 0x13, 0x3, 0x14, 0x3, 0x14, 0x3, 0x14, 0x3, + 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0x31, 0x2, 0x2, 0x15d, 0x15e, 0x3, 0x2, 0x2, 0x2, + 0x15e, 0x15f, 0x8, 0x2c, 0x2, 0x2, 0x15f, 0x58, 0x3, 0x2, 0x2, 0x2, + 0x1d, 0x2, 0xcc, 0xd1, 0xd5, 0xda, 0xe0, 0xe5, 0xeb, 0xf2, 0xf7, 0xf9, + 0x101, 0x104, 0x109, 0x10f, 0x113, 0x118, 0x11c, 0x123, 0x12a, 0x130, + 0x135, 0x137, 0x13d, 0x143, 0x14d, 0x158, 0x3, 0x8, 0x2, 0x2, + }; + + atn::ATNDeserializer deserializer; + _atn = deserializer.deserialize(_serializedATN); + + size_t count = _atn.getNumberOfDecisions(); + _decisionToDFA.reserve(count); + for (size_t i = 0; i < count; i++) { + _decisionToDFA.emplace_back(_atn.getDecisionState(i), i); + } +} + +SysYLexer::Initializer SysYLexer::_init; diff --git a/src/antlr4/SysYLexer.h b/src/antlr4/SysYLexer.h new file mode 100644 index 0000000..ac9457c --- /dev/null +++ b/src/antlr4/SysYLexer.h @@ -0,0 +1,62 @@ + +// Generated from SysY.g4 by ANTLR 4.7.2 + +#pragma once + + +#include "antlr4-runtime.h" + + + + +class SysYLexer : public antlr4::Lexer { +public: + enum { + T__0 = 1, T__1 = 2, T__2 = 3, T__3 = 4, T__4 = 5, T__5 = 6, T__6 = 7, + T__7 = 8, T__8 = 9, T__9 = 10, T__10 = 11, T__11 = 12, T__12 = 13, T__13 = 14, + T__14 = 15, T__15 = 16, T__16 = 17, T__17 = 18, T__18 = 19, T__19 = 20, + T__20 = 21, T__21 = 22, T__22 = 23, T__23 = 24, T__24 = 25, T__25 = 26, + T__26 = 27, T__27 = 28, T__28 = 29, T__29 = 30, T__30 = 31, T__31 = 32, + T__32 = 33, FloatConst = 34, IntConst = 35, Ident = 36, WS = 37, LINE_COMMENT = 38, + BLOCK_COMMENT = 39 + }; + + SysYLexer(antlr4::CharStream *input); + ~SysYLexer(); + + virtual std::string getGrammarFileName() const override; + virtual const std::vector& getRuleNames() const override; + + virtual const std::vector& getChannelNames() const override; + virtual const std::vector& getModeNames() const override; + virtual const std::vector& getTokenNames() const override; // deprecated, use vocabulary instead + virtual antlr4::dfa::Vocabulary& getVocabulary() const override; + + virtual const std::vector getSerializedATN() const override; + virtual const antlr4::atn::ATN& getATN() const override; + +private: + static std::vector _decisionToDFA; + static antlr4::atn::PredictionContextCache _sharedContextCache; + static std::vector _ruleNames; + static std::vector _tokenNames; + static std::vector _channelNames; + static std::vector _modeNames; + + static std::vector _literalNames; + static std::vector _symbolicNames; + static antlr4::dfa::Vocabulary _vocabulary; + static antlr4::atn::ATN _atn; + static std::vector _serializedATN; + + + // Individual action functions triggered by action() above. + + // Individual semantic predicate functions triggered by sempred() above. + + struct Initializer { + Initializer(); + }; + static Initializer _init; +}; + diff --git a/src/antlr4/SysYParser.cpp b/src/antlr4/SysYParser.cpp new file mode 100644 index 0000000..0efcf6b --- /dev/null +++ b/src/antlr4/SysYParser.cpp @@ -0,0 +1,2648 @@ + +// Generated from SysY.g4 by ANTLR 4.7.2 + + +#include "SysYVisitor.h" + +#include "SysYParser.h" + + +using namespace antlrcpp; +using namespace antlr4; + +SysYParser::SysYParser(TokenStream *input) : Parser(input) { + _interpreter = new atn::ParserATNSimulator(this, _atn, _decisionToDFA, _sharedContextCache); +} + +SysYParser::~SysYParser() { + delete _interpreter; +} + +std::string SysYParser::getGrammarFileName() const { + return "SysY.g4"; +} + +const std::vector& SysYParser::getRuleNames() const { + return _ruleNames; +} + +dfa::Vocabulary& SysYParser::getVocabulary() const { + return _vocabulary; +} + + +//----------------- CompUnitContext ------------------------------------------------------------------ + +SysYParser::CompUnitContext::CompUnitContext(ParserRuleContext *parent, size_t invokingState) + : ParserRuleContext(parent, invokingState) { +} + +std::vector SysYParser::CompUnitContext::decl() { + return getRuleContexts(); +} + +SysYParser::DeclContext* SysYParser::CompUnitContext::decl(size_t i) { + return getRuleContext(i); +} + +std::vector SysYParser::CompUnitContext::funcDef() { + return getRuleContexts(); +} + +SysYParser::FuncDefContext* SysYParser::CompUnitContext::funcDef(size_t i) { + return getRuleContext(i); +} + + +size_t SysYParser::CompUnitContext::getRuleIndex() const { + return SysYParser::RuleCompUnit; +} + +antlrcpp::Any SysYParser::CompUnitContext::accept(tree::ParseTreeVisitor *visitor) { + if (auto parserVisitor = dynamic_cast(visitor)) + return parserVisitor->visitCompUnit(this); + else + return visitor->visitChildren(this); +} + +SysYParser::CompUnitContext* SysYParser::compUnit() { + CompUnitContext *_localctx = _tracker.createInstance(_ctx, getState()); + enterRule(_localctx, 0, SysYParser::RuleCompUnit); + size_t _la = 0; + + auto onExit = finally([=] { + exitRule(); + }); + try { + enterOuterAlt(_localctx, 1); + setState(64); + _errHandler->sync(this); + _la = _input->LA(1); + do { + setState(64); + _errHandler->sync(this); + switch (getInterpreter()->adaptivePredict(_input, 0, _ctx)) { + case 1: { + setState(62); + decl(); + break; + } + + case 2: { + setState(63); + funcDef(); + break; + } + + } + setState(66); + _errHandler->sync(this); + _la = _input->LA(1); + } while ((((_la & ~ 0x3fULL) == 0) && + ((1ULL << _la) & ((1ULL << SysYParser::T__0) + | (1ULL << SysYParser::T__3) + | (1ULL << SysYParser::T__4) + | (1ULL << SysYParser::T__12))) != 0)); + + } + catch (RecognitionException &e) { + _errHandler->reportError(this, e); + _localctx->exception = std::current_exception(); + _errHandler->recover(this, _localctx->exception); + } + + return _localctx; +} + +//----------------- DeclContext ------------------------------------------------------------------ + +SysYParser::DeclContext::DeclContext(ParserRuleContext *parent, size_t invokingState) + : ParserRuleContext(parent, invokingState) { +} + +SysYParser::ConstDeclContext* SysYParser::DeclContext::constDecl() { + return getRuleContext(0); +} + +SysYParser::VarDeclContext* SysYParser::DeclContext::varDecl() { + return getRuleContext(0); +} + + +size_t SysYParser::DeclContext::getRuleIndex() const { + return SysYParser::RuleDecl; +} + +antlrcpp::Any SysYParser::DeclContext::accept(tree::ParseTreeVisitor *visitor) { + if (auto parserVisitor = dynamic_cast(visitor)) + return parserVisitor->visitDecl(this); + else + return visitor->visitChildren(this); +} + +SysYParser::DeclContext* SysYParser::decl() { + DeclContext *_localctx = _tracker.createInstance(_ctx, getState()); + enterRule(_localctx, 2, SysYParser::RuleDecl); + + auto onExit = finally([=] { + exitRule(); + }); + try { + setState(70); + _errHandler->sync(this); + switch (_input->LA(1)) { + case SysYParser::T__0: { + enterOuterAlt(_localctx, 1); + setState(68); + constDecl(); + break; + } + + case SysYParser::T__3: + case SysYParser::T__4: { + enterOuterAlt(_localctx, 2); + setState(69); + varDecl(); + break; + } + + default: + throw NoViableAltException(this); + } + + } + catch (RecognitionException &e) { + _errHandler->reportError(this, e); + _localctx->exception = std::current_exception(); + _errHandler->recover(this, _localctx->exception); + } + + return _localctx; +} + +//----------------- ConstDeclContext ------------------------------------------------------------------ + +SysYParser::ConstDeclContext::ConstDeclContext(ParserRuleContext *parent, size_t invokingState) + : ParserRuleContext(parent, invokingState) { +} + +SysYParser::BTypeContext* SysYParser::ConstDeclContext::bType() { + return getRuleContext(0); +} + +std::vector SysYParser::ConstDeclContext::constDef() { + return getRuleContexts(); +} + +SysYParser::ConstDefContext* SysYParser::ConstDeclContext::constDef(size_t i) { + return getRuleContext(i); +} + + +size_t SysYParser::ConstDeclContext::getRuleIndex() const { + return SysYParser::RuleConstDecl; +} + +antlrcpp::Any SysYParser::ConstDeclContext::accept(tree::ParseTreeVisitor *visitor) { + if (auto parserVisitor = dynamic_cast(visitor)) + return parserVisitor->visitConstDecl(this); + else + return visitor->visitChildren(this); +} + +SysYParser::ConstDeclContext* SysYParser::constDecl() { + ConstDeclContext *_localctx = _tracker.createInstance(_ctx, getState()); + enterRule(_localctx, 4, SysYParser::RuleConstDecl); + size_t _la = 0; + + auto onExit = finally([=] { + exitRule(); + }); + try { + enterOuterAlt(_localctx, 1); + setState(72); + match(SysYParser::T__0); + setState(73); + bType(); + setState(74); + constDef(); + setState(79); + _errHandler->sync(this); + _la = _input->LA(1); + while (_la == SysYParser::T__1) { + setState(75); + match(SysYParser::T__1); + setState(76); + constDef(); + setState(81); + _errHandler->sync(this); + _la = _input->LA(1); + } + setState(82); + match(SysYParser::T__2); + + } + catch (RecognitionException &e) { + _errHandler->reportError(this, e); + _localctx->exception = std::current_exception(); + _errHandler->recover(this, _localctx->exception); + } + + return _localctx; +} + +//----------------- BTypeContext ------------------------------------------------------------------ + +SysYParser::BTypeContext::BTypeContext(ParserRuleContext *parent, size_t invokingState) + : ParserRuleContext(parent, invokingState) { +} + + +size_t SysYParser::BTypeContext::getRuleIndex() const { + return SysYParser::RuleBType; +} + +antlrcpp::Any SysYParser::BTypeContext::accept(tree::ParseTreeVisitor *visitor) { + if (auto parserVisitor = dynamic_cast(visitor)) + return parserVisitor->visitBType(this); + else + return visitor->visitChildren(this); +} + +SysYParser::BTypeContext* SysYParser::bType() { + BTypeContext *_localctx = _tracker.createInstance(_ctx, getState()); + enterRule(_localctx, 6, SysYParser::RuleBType); + size_t _la = 0; + + auto onExit = finally([=] { + exitRule(); + }); + try { + enterOuterAlt(_localctx, 1); + setState(84); + _la = _input->LA(1); + if (!(_la == SysYParser::T__3 + + || _la == SysYParser::T__4)) { + _errHandler->recoverInline(this); + } + else { + _errHandler->reportMatch(this); + consume(); + } + + } + catch (RecognitionException &e) { + _errHandler->reportError(this, e); + _localctx->exception = std::current_exception(); + _errHandler->recover(this, _localctx->exception); + } + + return _localctx; +} + +//----------------- ConstDefContext ------------------------------------------------------------------ + +SysYParser::ConstDefContext::ConstDefContext(ParserRuleContext *parent, size_t invokingState) + : ParserRuleContext(parent, invokingState) { +} + +tree::TerminalNode* SysYParser::ConstDefContext::Ident() { + return getToken(SysYParser::Ident, 0); +} + +SysYParser::ConstInitValContext* SysYParser::ConstDefContext::constInitVal() { + return getRuleContext(0); +} + +std::vector SysYParser::ConstDefContext::constExp() { + return getRuleContexts(); +} + +SysYParser::ConstExpContext* SysYParser::ConstDefContext::constExp(size_t i) { + return getRuleContext(i); +} + + +size_t SysYParser::ConstDefContext::getRuleIndex() const { + return SysYParser::RuleConstDef; +} + +antlrcpp::Any SysYParser::ConstDefContext::accept(tree::ParseTreeVisitor *visitor) { + if (auto parserVisitor = dynamic_cast(visitor)) + return parserVisitor->visitConstDef(this); + else + return visitor->visitChildren(this); +} + +SysYParser::ConstDefContext* SysYParser::constDef() { + ConstDefContext *_localctx = _tracker.createInstance(_ctx, getState()); + enterRule(_localctx, 8, SysYParser::RuleConstDef); + size_t _la = 0; + + auto onExit = finally([=] { + exitRule(); + }); + try { + enterOuterAlt(_localctx, 1); + setState(86); + match(SysYParser::Ident); + setState(93); + _errHandler->sync(this); + _la = _input->LA(1); + while (_la == SysYParser::T__5) { + setState(87); + match(SysYParser::T__5); + setState(88); + constExp(); + setState(89); + match(SysYParser::T__6); + setState(95); + _errHandler->sync(this); + _la = _input->LA(1); + } + setState(96); + match(SysYParser::T__7); + setState(97); + constInitVal(); + + } + catch (RecognitionException &e) { + _errHandler->reportError(this, e); + _localctx->exception = std::current_exception(); + _errHandler->recover(this, _localctx->exception); + } + + return _localctx; +} + +//----------------- ConstInitValContext ------------------------------------------------------------------ + +SysYParser::ConstInitValContext::ConstInitValContext(ParserRuleContext *parent, size_t invokingState) + : ParserRuleContext(parent, invokingState) { +} + +SysYParser::ConstExpContext* SysYParser::ConstInitValContext::constExp() { + return getRuleContext(0); +} + +std::vector SysYParser::ConstInitValContext::constInitVal() { + return getRuleContexts(); +} + +SysYParser::ConstInitValContext* SysYParser::ConstInitValContext::constInitVal(size_t i) { + return getRuleContext(i); +} + + +size_t SysYParser::ConstInitValContext::getRuleIndex() const { + return SysYParser::RuleConstInitVal; +} + +antlrcpp::Any SysYParser::ConstInitValContext::accept(tree::ParseTreeVisitor *visitor) { + if (auto parserVisitor = dynamic_cast(visitor)) + return parserVisitor->visitConstInitVal(this); + else + return visitor->visitChildren(this); +} + +SysYParser::ConstInitValContext* SysYParser::constInitVal() { + ConstInitValContext *_localctx = _tracker.createInstance(_ctx, getState()); + enterRule(_localctx, 10, SysYParser::RuleConstInitVal); + size_t _la = 0; + + auto onExit = finally([=] { + exitRule(); + }); + try { + setState(112); + _errHandler->sync(this); + switch (_input->LA(1)) { + case SysYParser::T__10: + case SysYParser::T__19: + case SysYParser::T__20: + case SysYParser::T__21: + case SysYParser::FloatConst: + case SysYParser::IntConst: + case SysYParser::Ident: { + enterOuterAlt(_localctx, 1); + setState(99); + constExp(); + break; + } + + case SysYParser::T__8: { + enterOuterAlt(_localctx, 2); + setState(100); + match(SysYParser::T__8); + setState(109); + _errHandler->sync(this); + + _la = _input->LA(1); + if ((((_la & ~ 0x3fULL) == 0) && + ((1ULL << _la) & ((1ULL << SysYParser::T__8) + | (1ULL << SysYParser::T__10) + | (1ULL << SysYParser::T__19) + | (1ULL << SysYParser::T__20) + | (1ULL << SysYParser::T__21) + | (1ULL << SysYParser::FloatConst) + | (1ULL << SysYParser::IntConst) + | (1ULL << SysYParser::Ident))) != 0)) { + setState(101); + constInitVal(); + setState(106); + _errHandler->sync(this); + _la = _input->LA(1); + while (_la == SysYParser::T__1) { + setState(102); + match(SysYParser::T__1); + setState(103); + constInitVal(); + setState(108); + _errHandler->sync(this); + _la = _input->LA(1); + } + } + setState(111); + match(SysYParser::T__9); + break; + } + + default: + throw NoViableAltException(this); + } + + } + catch (RecognitionException &e) { + _errHandler->reportError(this, e); + _localctx->exception = std::current_exception(); + _errHandler->recover(this, _localctx->exception); + } + + return _localctx; +} + +//----------------- VarDeclContext ------------------------------------------------------------------ + +SysYParser::VarDeclContext::VarDeclContext(ParserRuleContext *parent, size_t invokingState) + : ParserRuleContext(parent, invokingState) { +} + +SysYParser::BTypeContext* SysYParser::VarDeclContext::bType() { + return getRuleContext(0); +} + +std::vector SysYParser::VarDeclContext::varDef() { + return getRuleContexts(); +} + +SysYParser::VarDefContext* SysYParser::VarDeclContext::varDef(size_t i) { + return getRuleContext(i); +} + + +size_t SysYParser::VarDeclContext::getRuleIndex() const { + return SysYParser::RuleVarDecl; +} + +antlrcpp::Any SysYParser::VarDeclContext::accept(tree::ParseTreeVisitor *visitor) { + if (auto parserVisitor = dynamic_cast(visitor)) + return parserVisitor->visitVarDecl(this); + else + return visitor->visitChildren(this); +} + +SysYParser::VarDeclContext* SysYParser::varDecl() { + VarDeclContext *_localctx = _tracker.createInstance(_ctx, getState()); + enterRule(_localctx, 12, SysYParser::RuleVarDecl); + size_t _la = 0; + + auto onExit = finally([=] { + exitRule(); + }); + try { + enterOuterAlt(_localctx, 1); + setState(114); + bType(); + setState(115); + varDef(); + setState(120); + _errHandler->sync(this); + _la = _input->LA(1); + while (_la == SysYParser::T__1) { + setState(116); + match(SysYParser::T__1); + setState(117); + varDef(); + setState(122); + _errHandler->sync(this); + _la = _input->LA(1); + } + setState(123); + match(SysYParser::T__2); + + } + catch (RecognitionException &e) { + _errHandler->reportError(this, e); + _localctx->exception = std::current_exception(); + _errHandler->recover(this, _localctx->exception); + } + + return _localctx; +} + +//----------------- VarDefContext ------------------------------------------------------------------ + +SysYParser::VarDefContext::VarDefContext(ParserRuleContext *parent, size_t invokingState) + : ParserRuleContext(parent, invokingState) { +} + +tree::TerminalNode* SysYParser::VarDefContext::Ident() { + return getToken(SysYParser::Ident, 0); +} + +std::vector SysYParser::VarDefContext::constExp() { + return getRuleContexts(); +} + +SysYParser::ConstExpContext* SysYParser::VarDefContext::constExp(size_t i) { + return getRuleContext(i); +} + +SysYParser::InitValContext* SysYParser::VarDefContext::initVal() { + return getRuleContext(0); +} + + +size_t SysYParser::VarDefContext::getRuleIndex() const { + return SysYParser::RuleVarDef; +} + +antlrcpp::Any SysYParser::VarDefContext::accept(tree::ParseTreeVisitor *visitor) { + if (auto parserVisitor = dynamic_cast(visitor)) + return parserVisitor->visitVarDef(this); + else + return visitor->visitChildren(this); +} + +SysYParser::VarDefContext* SysYParser::varDef() { + VarDefContext *_localctx = _tracker.createInstance(_ctx, getState()); + enterRule(_localctx, 14, SysYParser::RuleVarDef); + size_t _la = 0; + + auto onExit = finally([=] { + exitRule(); + }); + try { + setState(147); + _errHandler->sync(this); + switch (getInterpreter()->adaptivePredict(_input, 11, _ctx)) { + case 1: { + enterOuterAlt(_localctx, 1); + setState(125); + match(SysYParser::Ident); + setState(132); + _errHandler->sync(this); + _la = _input->LA(1); + while (_la == SysYParser::T__5) { + setState(126); + match(SysYParser::T__5); + setState(127); + constExp(); + setState(128); + match(SysYParser::T__6); + setState(134); + _errHandler->sync(this); + _la = _input->LA(1); + } + break; + } + + case 2: { + enterOuterAlt(_localctx, 2); + setState(135); + match(SysYParser::Ident); + setState(142); + _errHandler->sync(this); + _la = _input->LA(1); + while (_la == SysYParser::T__5) { + setState(136); + match(SysYParser::T__5); + setState(137); + constExp(); + setState(138); + match(SysYParser::T__6); + setState(144); + _errHandler->sync(this); + _la = _input->LA(1); + } + setState(145); + match(SysYParser::T__7); + setState(146); + initVal(); + break; + } + + } + + } + catch (RecognitionException &e) { + _errHandler->reportError(this, e); + _localctx->exception = std::current_exception(); + _errHandler->recover(this, _localctx->exception); + } + + return _localctx; +} + +//----------------- InitValContext ------------------------------------------------------------------ + +SysYParser::InitValContext::InitValContext(ParserRuleContext *parent, size_t invokingState) + : ParserRuleContext(parent, invokingState) { +} + +SysYParser::ExpContext* SysYParser::InitValContext::exp() { + return getRuleContext(0); +} + +std::vector SysYParser::InitValContext::initVal() { + return getRuleContexts(); +} + +SysYParser::InitValContext* SysYParser::InitValContext::initVal(size_t i) { + return getRuleContext(i); +} + + +size_t SysYParser::InitValContext::getRuleIndex() const { + return SysYParser::RuleInitVal; +} + +antlrcpp::Any SysYParser::InitValContext::accept(tree::ParseTreeVisitor *visitor) { + if (auto parserVisitor = dynamic_cast(visitor)) + return parserVisitor->visitInitVal(this); + else + return visitor->visitChildren(this); +} + +SysYParser::InitValContext* SysYParser::initVal() { + InitValContext *_localctx = _tracker.createInstance(_ctx, getState()); + enterRule(_localctx, 16, SysYParser::RuleInitVal); + size_t _la = 0; + + auto onExit = finally([=] { + exitRule(); + }); + try { + setState(162); + _errHandler->sync(this); + switch (_input->LA(1)) { + case SysYParser::T__10: + case SysYParser::T__19: + case SysYParser::T__20: + case SysYParser::T__21: + case SysYParser::FloatConst: + case SysYParser::IntConst: + case SysYParser::Ident: { + enterOuterAlt(_localctx, 1); + setState(149); + exp(); + break; + } + + case SysYParser::T__8: { + enterOuterAlt(_localctx, 2); + setState(150); + match(SysYParser::T__8); + setState(159); + _errHandler->sync(this); + + _la = _input->LA(1); + if ((((_la & ~ 0x3fULL) == 0) && + ((1ULL << _la) & ((1ULL << SysYParser::T__8) + | (1ULL << SysYParser::T__10) + | (1ULL << SysYParser::T__19) + | (1ULL << SysYParser::T__20) + | (1ULL << SysYParser::T__21) + | (1ULL << SysYParser::FloatConst) + | (1ULL << SysYParser::IntConst) + | (1ULL << SysYParser::Ident))) != 0)) { + setState(151); + initVal(); + setState(156); + _errHandler->sync(this); + _la = _input->LA(1); + while (_la == SysYParser::T__1) { + setState(152); + match(SysYParser::T__1); + setState(153); + initVal(); + setState(158); + _errHandler->sync(this); + _la = _input->LA(1); + } + } + setState(161); + match(SysYParser::T__9); + break; + } + + default: + throw NoViableAltException(this); + } + + } + catch (RecognitionException &e) { + _errHandler->reportError(this, e); + _localctx->exception = std::current_exception(); + _errHandler->recover(this, _localctx->exception); + } + + return _localctx; +} + +//----------------- FuncDefContext ------------------------------------------------------------------ + +SysYParser::FuncDefContext::FuncDefContext(ParserRuleContext *parent, size_t invokingState) + : ParserRuleContext(parent, invokingState) { +} + +SysYParser::FuncTypeContext* SysYParser::FuncDefContext::funcType() { + return getRuleContext(0); +} + +tree::TerminalNode* SysYParser::FuncDefContext::Ident() { + return getToken(SysYParser::Ident, 0); +} + +SysYParser::BlockContext* SysYParser::FuncDefContext::block() { + return getRuleContext(0); +} + +SysYParser::FuncFParamsContext* SysYParser::FuncDefContext::funcFParams() { + return getRuleContext(0); +} + + +size_t SysYParser::FuncDefContext::getRuleIndex() const { + return SysYParser::RuleFuncDef; +} + +antlrcpp::Any SysYParser::FuncDefContext::accept(tree::ParseTreeVisitor *visitor) { + if (auto parserVisitor = dynamic_cast(visitor)) + return parserVisitor->visitFuncDef(this); + else + return visitor->visitChildren(this); +} + +SysYParser::FuncDefContext* SysYParser::funcDef() { + FuncDefContext *_localctx = _tracker.createInstance(_ctx, getState()); + enterRule(_localctx, 18, SysYParser::RuleFuncDef); + size_t _la = 0; + + auto onExit = finally([=] { + exitRule(); + }); + try { + enterOuterAlt(_localctx, 1); + setState(164); + funcType(); + setState(165); + match(SysYParser::Ident); + setState(166); + match(SysYParser::T__10); + setState(168); + _errHandler->sync(this); + + _la = _input->LA(1); + if (_la == SysYParser::T__3 + + || _la == SysYParser::T__4) { + setState(167); + funcFParams(); + } + setState(170); + match(SysYParser::T__11); + setState(171); + block(); + + } + catch (RecognitionException &e) { + _errHandler->reportError(this, e); + _localctx->exception = std::current_exception(); + _errHandler->recover(this, _localctx->exception); + } + + return _localctx; +} + +//----------------- FuncTypeContext ------------------------------------------------------------------ + +SysYParser::FuncTypeContext::FuncTypeContext(ParserRuleContext *parent, size_t invokingState) + : ParserRuleContext(parent, invokingState) { +} + + +size_t SysYParser::FuncTypeContext::getRuleIndex() const { + return SysYParser::RuleFuncType; +} + +antlrcpp::Any SysYParser::FuncTypeContext::accept(tree::ParseTreeVisitor *visitor) { + if (auto parserVisitor = dynamic_cast(visitor)) + return parserVisitor->visitFuncType(this); + else + return visitor->visitChildren(this); +} + +SysYParser::FuncTypeContext* SysYParser::funcType() { + FuncTypeContext *_localctx = _tracker.createInstance(_ctx, getState()); + enterRule(_localctx, 20, SysYParser::RuleFuncType); + size_t _la = 0; + + auto onExit = finally([=] { + exitRule(); + }); + try { + enterOuterAlt(_localctx, 1); + setState(173); + _la = _input->LA(1); + if (!((((_la & ~ 0x3fULL) == 0) && + ((1ULL << _la) & ((1ULL << SysYParser::T__3) + | (1ULL << SysYParser::T__4) + | (1ULL << SysYParser::T__12))) != 0))) { + _errHandler->recoverInline(this); + } + else { + _errHandler->reportMatch(this); + consume(); + } + + } + catch (RecognitionException &e) { + _errHandler->reportError(this, e); + _localctx->exception = std::current_exception(); + _errHandler->recover(this, _localctx->exception); + } + + return _localctx; +} + +//----------------- FuncFParamsContext ------------------------------------------------------------------ + +SysYParser::FuncFParamsContext::FuncFParamsContext(ParserRuleContext *parent, size_t invokingState) + : ParserRuleContext(parent, invokingState) { +} + +std::vector SysYParser::FuncFParamsContext::funcFParam() { + return getRuleContexts(); +} + +SysYParser::FuncFParamContext* SysYParser::FuncFParamsContext::funcFParam(size_t i) { + return getRuleContext(i); +} + + +size_t SysYParser::FuncFParamsContext::getRuleIndex() const { + return SysYParser::RuleFuncFParams; +} + +antlrcpp::Any SysYParser::FuncFParamsContext::accept(tree::ParseTreeVisitor *visitor) { + if (auto parserVisitor = dynamic_cast(visitor)) + return parserVisitor->visitFuncFParams(this); + else + return visitor->visitChildren(this); +} + +SysYParser::FuncFParamsContext* SysYParser::funcFParams() { + FuncFParamsContext *_localctx = _tracker.createInstance(_ctx, getState()); + enterRule(_localctx, 22, SysYParser::RuleFuncFParams); + size_t _la = 0; + + auto onExit = finally([=] { + exitRule(); + }); + try { + enterOuterAlt(_localctx, 1); + setState(175); + funcFParam(); + setState(180); + _errHandler->sync(this); + _la = _input->LA(1); + while (_la == SysYParser::T__1) { + setState(176); + match(SysYParser::T__1); + setState(177); + funcFParam(); + setState(182); + _errHandler->sync(this); + _la = _input->LA(1); + } + + } + catch (RecognitionException &e) { + _errHandler->reportError(this, e); + _localctx->exception = std::current_exception(); + _errHandler->recover(this, _localctx->exception); + } + + return _localctx; +} + +//----------------- FuncFParamContext ------------------------------------------------------------------ + +SysYParser::FuncFParamContext::FuncFParamContext(ParserRuleContext *parent, size_t invokingState) + : ParserRuleContext(parent, invokingState) { +} + +SysYParser::BTypeContext* SysYParser::FuncFParamContext::bType() { + return getRuleContext(0); +} + +tree::TerminalNode* SysYParser::FuncFParamContext::Ident() { + return getToken(SysYParser::Ident, 0); +} + +std::vector SysYParser::FuncFParamContext::exp() { + return getRuleContexts(); +} + +SysYParser::ExpContext* SysYParser::FuncFParamContext::exp(size_t i) { + return getRuleContext(i); +} + + +size_t SysYParser::FuncFParamContext::getRuleIndex() const { + return SysYParser::RuleFuncFParam; +} + +antlrcpp::Any SysYParser::FuncFParamContext::accept(tree::ParseTreeVisitor *visitor) { + if (auto parserVisitor = dynamic_cast(visitor)) + return parserVisitor->visitFuncFParam(this); + else + return visitor->visitChildren(this); +} + +SysYParser::FuncFParamContext* SysYParser::funcFParam() { + FuncFParamContext *_localctx = _tracker.createInstance(_ctx, getState()); + enterRule(_localctx, 24, SysYParser::RuleFuncFParam); + size_t _la = 0; + + auto onExit = finally([=] { + exitRule(); + }); + try { + enterOuterAlt(_localctx, 1); + setState(183); + bType(); + setState(184); + match(SysYParser::Ident); + setState(196); + _errHandler->sync(this); + + _la = _input->LA(1); + if (_la == SysYParser::T__5) { + setState(185); + match(SysYParser::T__5); + setState(186); + match(SysYParser::T__6); + setState(193); + _errHandler->sync(this); + _la = _input->LA(1); + while (_la == SysYParser::T__5) { + setState(187); + match(SysYParser::T__5); + setState(188); + exp(); + setState(189); + match(SysYParser::T__6); + setState(195); + _errHandler->sync(this); + _la = _input->LA(1); + } + } + + } + catch (RecognitionException &e) { + _errHandler->reportError(this, e); + _localctx->exception = std::current_exception(); + _errHandler->recover(this, _localctx->exception); + } + + return _localctx; +} + +//----------------- BlockContext ------------------------------------------------------------------ + +SysYParser::BlockContext::BlockContext(ParserRuleContext *parent, size_t invokingState) + : ParserRuleContext(parent, invokingState) { +} + +std::vector SysYParser::BlockContext::blockItem() { + return getRuleContexts(); +} + +SysYParser::BlockItemContext* SysYParser::BlockContext::blockItem(size_t i) { + return getRuleContext(i); +} + + +size_t SysYParser::BlockContext::getRuleIndex() const { + return SysYParser::RuleBlock; +} + +antlrcpp::Any SysYParser::BlockContext::accept(tree::ParseTreeVisitor *visitor) { + if (auto parserVisitor = dynamic_cast(visitor)) + return parserVisitor->visitBlock(this); + else + return visitor->visitChildren(this); +} + +SysYParser::BlockContext* SysYParser::block() { + BlockContext *_localctx = _tracker.createInstance(_ctx, getState()); + enterRule(_localctx, 26, SysYParser::RuleBlock); + size_t _la = 0; + + auto onExit = finally([=] { + exitRule(); + }); + try { + enterOuterAlt(_localctx, 1); + setState(198); + match(SysYParser::T__8); + setState(202); + _errHandler->sync(this); + _la = _input->LA(1); + while ((((_la & ~ 0x3fULL) == 0) && + ((1ULL << _la) & ((1ULL << SysYParser::T__0) + | (1ULL << SysYParser::T__2) + | (1ULL << SysYParser::T__3) + | (1ULL << SysYParser::T__4) + | (1ULL << SysYParser::T__8) + | (1ULL << SysYParser::T__10) + | (1ULL << SysYParser::T__13) + | (1ULL << SysYParser::T__15) + | (1ULL << SysYParser::T__16) + | (1ULL << SysYParser::T__17) + | (1ULL << SysYParser::T__18) + | (1ULL << SysYParser::T__19) + | (1ULL << SysYParser::T__20) + | (1ULL << SysYParser::T__21) + | (1ULL << SysYParser::FloatConst) + | (1ULL << SysYParser::IntConst) + | (1ULL << SysYParser::Ident))) != 0)) { + setState(199); + blockItem(); + setState(204); + _errHandler->sync(this); + _la = _input->LA(1); + } + setState(205); + match(SysYParser::T__9); + + } + catch (RecognitionException &e) { + _errHandler->reportError(this, e); + _localctx->exception = std::current_exception(); + _errHandler->recover(this, _localctx->exception); + } + + return _localctx; +} + +//----------------- BlockItemContext ------------------------------------------------------------------ + +SysYParser::BlockItemContext::BlockItemContext(ParserRuleContext *parent, size_t invokingState) + : ParserRuleContext(parent, invokingState) { +} + +SysYParser::DeclContext* SysYParser::BlockItemContext::decl() { + return getRuleContext(0); +} + +SysYParser::StmtContext* SysYParser::BlockItemContext::stmt() { + return getRuleContext(0); +} + + +size_t SysYParser::BlockItemContext::getRuleIndex() const { + return SysYParser::RuleBlockItem; +} + +antlrcpp::Any SysYParser::BlockItemContext::accept(tree::ParseTreeVisitor *visitor) { + if (auto parserVisitor = dynamic_cast(visitor)) + return parserVisitor->visitBlockItem(this); + else + return visitor->visitChildren(this); +} + +SysYParser::BlockItemContext* SysYParser::blockItem() { + BlockItemContext *_localctx = _tracker.createInstance(_ctx, getState()); + enterRule(_localctx, 28, SysYParser::RuleBlockItem); + + auto onExit = finally([=] { + exitRule(); + }); + try { + setState(209); + _errHandler->sync(this); + switch (_input->LA(1)) { + case SysYParser::T__0: + case SysYParser::T__3: + case SysYParser::T__4: { + enterOuterAlt(_localctx, 1); + setState(207); + decl(); + break; + } + + case SysYParser::T__2: + case SysYParser::T__8: + case SysYParser::T__10: + case SysYParser::T__13: + case SysYParser::T__15: + case SysYParser::T__16: + case SysYParser::T__17: + case SysYParser::T__18: + case SysYParser::T__19: + case SysYParser::T__20: + case SysYParser::T__21: + case SysYParser::FloatConst: + case SysYParser::IntConst: + case SysYParser::Ident: { + enterOuterAlt(_localctx, 2); + setState(208); + stmt(); + break; + } + + default: + throw NoViableAltException(this); + } + + } + catch (RecognitionException &e) { + _errHandler->reportError(this, e); + _localctx->exception = std::current_exception(); + _errHandler->recover(this, _localctx->exception); + } + + return _localctx; +} + +//----------------- StmtContext ------------------------------------------------------------------ + +SysYParser::StmtContext::StmtContext(ParserRuleContext *parent, size_t invokingState) + : ParserRuleContext(parent, invokingState) { +} + +SysYParser::LValContext* SysYParser::StmtContext::lVal() { + return getRuleContext(0); +} + +SysYParser::ExpContext* SysYParser::StmtContext::exp() { + return getRuleContext(0); +} + +SysYParser::BlockContext* SysYParser::StmtContext::block() { + return getRuleContext(0); +} + +SysYParser::CondContext* SysYParser::StmtContext::cond() { + return getRuleContext(0); +} + +std::vector SysYParser::StmtContext::stmt() { + return getRuleContexts(); +} + +SysYParser::StmtContext* SysYParser::StmtContext::stmt(size_t i) { + return getRuleContext(i); +} + + +size_t SysYParser::StmtContext::getRuleIndex() const { + return SysYParser::RuleStmt; +} + +antlrcpp::Any SysYParser::StmtContext::accept(tree::ParseTreeVisitor *visitor) { + if (auto parserVisitor = dynamic_cast(visitor)) + return parserVisitor->visitStmt(this); + else + return visitor->visitChildren(this); +} + +SysYParser::StmtContext* SysYParser::stmt() { + StmtContext *_localctx = _tracker.createInstance(_ctx, getState()); + enterRule(_localctx, 30, SysYParser::RuleStmt); + size_t _la = 0; + + auto onExit = finally([=] { + exitRule(); + }); + try { + setState(245); + _errHandler->sync(this); + switch (getInterpreter()->adaptivePredict(_input, 24, _ctx)) { + case 1: { + enterOuterAlt(_localctx, 1); + setState(211); + lVal(); + setState(212); + match(SysYParser::T__7); + setState(213); + exp(); + setState(214); + match(SysYParser::T__2); + break; + } + + case 2: { + enterOuterAlt(_localctx, 2); + setState(217); + _errHandler->sync(this); + + _la = _input->LA(1); + if ((((_la & ~ 0x3fULL) == 0) && + ((1ULL << _la) & ((1ULL << SysYParser::T__10) + | (1ULL << SysYParser::T__19) + | (1ULL << SysYParser::T__20) + | (1ULL << SysYParser::T__21) + | (1ULL << SysYParser::FloatConst) + | (1ULL << SysYParser::IntConst) + | (1ULL << SysYParser::Ident))) != 0)) { + setState(216); + exp(); + } + setState(219); + match(SysYParser::T__2); + break; + } + + case 3: { + enterOuterAlt(_localctx, 3); + setState(220); + block(); + break; + } + + case 4: { + enterOuterAlt(_localctx, 4); + setState(221); + match(SysYParser::T__13); + setState(222); + match(SysYParser::T__10); + setState(223); + cond(); + setState(224); + match(SysYParser::T__11); + setState(225); + stmt(); + setState(228); + _errHandler->sync(this); + + switch (getInterpreter()->adaptivePredict(_input, 22, _ctx)) { + case 1: { + setState(226); + match(SysYParser::T__14); + setState(227); + stmt(); + break; + } + + } + break; + } + + case 5: { + enterOuterAlt(_localctx, 5); + setState(230); + match(SysYParser::T__15); + setState(231); + match(SysYParser::T__10); + setState(232); + cond(); + setState(233); + match(SysYParser::T__11); + setState(234); + stmt(); + break; + } + + case 6: { + enterOuterAlt(_localctx, 6); + setState(236); + match(SysYParser::T__16); + setState(237); + match(SysYParser::T__2); + break; + } + + case 7: { + enterOuterAlt(_localctx, 7); + setState(238); + match(SysYParser::T__17); + setState(239); + match(SysYParser::T__2); + break; + } + + case 8: { + enterOuterAlt(_localctx, 8); + setState(240); + match(SysYParser::T__18); + setState(242); + _errHandler->sync(this); + + _la = _input->LA(1); + if ((((_la & ~ 0x3fULL) == 0) && + ((1ULL << _la) & ((1ULL << SysYParser::T__10) + | (1ULL << SysYParser::T__19) + | (1ULL << SysYParser::T__20) + | (1ULL << SysYParser::T__21) + | (1ULL << SysYParser::FloatConst) + | (1ULL << SysYParser::IntConst) + | (1ULL << SysYParser::Ident))) != 0)) { + setState(241); + exp(); + } + setState(244); + match(SysYParser::T__2); + break; + } + + } + + } + catch (RecognitionException &e) { + _errHandler->reportError(this, e); + _localctx->exception = std::current_exception(); + _errHandler->recover(this, _localctx->exception); + } + + return _localctx; +} + +//----------------- ExpContext ------------------------------------------------------------------ + +SysYParser::ExpContext::ExpContext(ParserRuleContext *parent, size_t invokingState) + : ParserRuleContext(parent, invokingState) { +} + +SysYParser::AddExpContext* SysYParser::ExpContext::addExp() { + return getRuleContext(0); +} + + +size_t SysYParser::ExpContext::getRuleIndex() const { + return SysYParser::RuleExp; +} + +antlrcpp::Any SysYParser::ExpContext::accept(tree::ParseTreeVisitor *visitor) { + if (auto parserVisitor = dynamic_cast(visitor)) + return parserVisitor->visitExp(this); + else + return visitor->visitChildren(this); +} + +SysYParser::ExpContext* SysYParser::exp() { + ExpContext *_localctx = _tracker.createInstance(_ctx, getState()); + enterRule(_localctx, 32, SysYParser::RuleExp); + + auto onExit = finally([=] { + exitRule(); + }); + try { + enterOuterAlt(_localctx, 1); + setState(247); + addExp(); + + } + catch (RecognitionException &e) { + _errHandler->reportError(this, e); + _localctx->exception = std::current_exception(); + _errHandler->recover(this, _localctx->exception); + } + + return _localctx; +} + +//----------------- CondContext ------------------------------------------------------------------ + +SysYParser::CondContext::CondContext(ParserRuleContext *parent, size_t invokingState) + : ParserRuleContext(parent, invokingState) { +} + +SysYParser::LOrExpContext* SysYParser::CondContext::lOrExp() { + return getRuleContext(0); +} + + +size_t SysYParser::CondContext::getRuleIndex() const { + return SysYParser::RuleCond; +} + +antlrcpp::Any SysYParser::CondContext::accept(tree::ParseTreeVisitor *visitor) { + if (auto parserVisitor = dynamic_cast(visitor)) + return parserVisitor->visitCond(this); + else + return visitor->visitChildren(this); +} + +SysYParser::CondContext* SysYParser::cond() { + CondContext *_localctx = _tracker.createInstance(_ctx, getState()); + enterRule(_localctx, 34, SysYParser::RuleCond); + + auto onExit = finally([=] { + exitRule(); + }); + try { + enterOuterAlt(_localctx, 1); + setState(249); + lOrExp(); + + } + catch (RecognitionException &e) { + _errHandler->reportError(this, e); + _localctx->exception = std::current_exception(); + _errHandler->recover(this, _localctx->exception); + } + + return _localctx; +} + +//----------------- LValContext ------------------------------------------------------------------ + +SysYParser::LValContext::LValContext(ParserRuleContext *parent, size_t invokingState) + : ParserRuleContext(parent, invokingState) { +} + +tree::TerminalNode* SysYParser::LValContext::Ident() { + return getToken(SysYParser::Ident, 0); +} + +std::vector SysYParser::LValContext::exp() { + return getRuleContexts(); +} + +SysYParser::ExpContext* SysYParser::LValContext::exp(size_t i) { + return getRuleContext(i); +} + + +size_t SysYParser::LValContext::getRuleIndex() const { + return SysYParser::RuleLVal; +} + +antlrcpp::Any SysYParser::LValContext::accept(tree::ParseTreeVisitor *visitor) { + if (auto parserVisitor = dynamic_cast(visitor)) + return parserVisitor->visitLVal(this); + else + return visitor->visitChildren(this); +} + +SysYParser::LValContext* SysYParser::lVal() { + LValContext *_localctx = _tracker.createInstance(_ctx, getState()); + enterRule(_localctx, 36, SysYParser::RuleLVal); + size_t _la = 0; + + auto onExit = finally([=] { + exitRule(); + }); + try { + enterOuterAlt(_localctx, 1); + setState(251); + match(SysYParser::Ident); + setState(258); + _errHandler->sync(this); + _la = _input->LA(1); + while (_la == SysYParser::T__5) { + setState(252); + match(SysYParser::T__5); + setState(253); + exp(); + setState(254); + match(SysYParser::T__6); + setState(260); + _errHandler->sync(this); + _la = _input->LA(1); + } + + } + catch (RecognitionException &e) { + _errHandler->reportError(this, e); + _localctx->exception = std::current_exception(); + _errHandler->recover(this, _localctx->exception); + } + + return _localctx; +} + +//----------------- PrimaryExpContext ------------------------------------------------------------------ + +SysYParser::PrimaryExpContext::PrimaryExpContext(ParserRuleContext *parent, size_t invokingState) + : ParserRuleContext(parent, invokingState) { +} + +SysYParser::ExpContext* SysYParser::PrimaryExpContext::exp() { + return getRuleContext(0); +} + +SysYParser::LValContext* SysYParser::PrimaryExpContext::lVal() { + return getRuleContext(0); +} + +SysYParser::NumberContext* SysYParser::PrimaryExpContext::number() { + return getRuleContext(0); +} + + +size_t SysYParser::PrimaryExpContext::getRuleIndex() const { + return SysYParser::RulePrimaryExp; +} + +antlrcpp::Any SysYParser::PrimaryExpContext::accept(tree::ParseTreeVisitor *visitor) { + if (auto parserVisitor = dynamic_cast(visitor)) + return parserVisitor->visitPrimaryExp(this); + else + return visitor->visitChildren(this); +} + +SysYParser::PrimaryExpContext* SysYParser::primaryExp() { + PrimaryExpContext *_localctx = _tracker.createInstance(_ctx, getState()); + enterRule(_localctx, 38, SysYParser::RulePrimaryExp); + + auto onExit = finally([=] { + exitRule(); + }); + try { + setState(267); + _errHandler->sync(this); + switch (_input->LA(1)) { + case SysYParser::T__10: { + enterOuterAlt(_localctx, 1); + setState(261); + match(SysYParser::T__10); + setState(262); + exp(); + setState(263); + match(SysYParser::T__11); + break; + } + + case SysYParser::Ident: { + enterOuterAlt(_localctx, 2); + setState(265); + lVal(); + break; + } + + case SysYParser::FloatConst: + case SysYParser::IntConst: { + enterOuterAlt(_localctx, 3); + setState(266); + number(); + break; + } + + default: + throw NoViableAltException(this); + } + + } + catch (RecognitionException &e) { + _errHandler->reportError(this, e); + _localctx->exception = std::current_exception(); + _errHandler->recover(this, _localctx->exception); + } + + return _localctx; +} + +//----------------- NumberContext ------------------------------------------------------------------ + +SysYParser::NumberContext::NumberContext(ParserRuleContext *parent, size_t invokingState) + : ParserRuleContext(parent, invokingState) { +} + +tree::TerminalNode* SysYParser::NumberContext::FloatConst() { + return getToken(SysYParser::FloatConst, 0); +} + +tree::TerminalNode* SysYParser::NumberContext::IntConst() { + return getToken(SysYParser::IntConst, 0); +} + + +size_t SysYParser::NumberContext::getRuleIndex() const { + return SysYParser::RuleNumber; +} + +antlrcpp::Any SysYParser::NumberContext::accept(tree::ParseTreeVisitor *visitor) { + if (auto parserVisitor = dynamic_cast(visitor)) + return parserVisitor->visitNumber(this); + else + return visitor->visitChildren(this); +} + +SysYParser::NumberContext* SysYParser::number() { + NumberContext *_localctx = _tracker.createInstance(_ctx, getState()); + enterRule(_localctx, 40, SysYParser::RuleNumber); + size_t _la = 0; + + auto onExit = finally([=] { + exitRule(); + }); + try { + enterOuterAlt(_localctx, 1); + setState(269); + _la = _input->LA(1); + if (!(_la == SysYParser::FloatConst + + || _la == SysYParser::IntConst)) { + _errHandler->recoverInline(this); + } + else { + _errHandler->reportMatch(this); + consume(); + } + + } + catch (RecognitionException &e) { + _errHandler->reportError(this, e); + _localctx->exception = std::current_exception(); + _errHandler->recover(this, _localctx->exception); + } + + return _localctx; +} + +//----------------- UnaryExpContext ------------------------------------------------------------------ + +SysYParser::UnaryExpContext::UnaryExpContext(ParserRuleContext *parent, size_t invokingState) + : ParserRuleContext(parent, invokingState) { +} + +SysYParser::PrimaryExpContext* SysYParser::UnaryExpContext::primaryExp() { + return getRuleContext(0); +} + +tree::TerminalNode* SysYParser::UnaryExpContext::Ident() { + return getToken(SysYParser::Ident, 0); +} + +SysYParser::FuncRParamsContext* SysYParser::UnaryExpContext::funcRParams() { + return getRuleContext(0); +} + +SysYParser::UnaryOpContext* SysYParser::UnaryExpContext::unaryOp() { + return getRuleContext(0); +} + +SysYParser::UnaryExpContext* SysYParser::UnaryExpContext::unaryExp() { + return getRuleContext(0); +} + + +size_t SysYParser::UnaryExpContext::getRuleIndex() const { + return SysYParser::RuleUnaryExp; +} + +antlrcpp::Any SysYParser::UnaryExpContext::accept(tree::ParseTreeVisitor *visitor) { + if (auto parserVisitor = dynamic_cast(visitor)) + return parserVisitor->visitUnaryExp(this); + else + return visitor->visitChildren(this); +} + +SysYParser::UnaryExpContext* SysYParser::unaryExp() { + UnaryExpContext *_localctx = _tracker.createInstance(_ctx, getState()); + enterRule(_localctx, 42, SysYParser::RuleUnaryExp); + size_t _la = 0; + + auto onExit = finally([=] { + exitRule(); + }); + try { + setState(281); + _errHandler->sync(this); + switch (getInterpreter()->adaptivePredict(_input, 28, _ctx)) { + case 1: { + enterOuterAlt(_localctx, 1); + setState(271); + primaryExp(); + break; + } + + case 2: { + enterOuterAlt(_localctx, 2); + setState(272); + match(SysYParser::Ident); + setState(273); + match(SysYParser::T__10); + setState(275); + _errHandler->sync(this); + + _la = _input->LA(1); + if ((((_la & ~ 0x3fULL) == 0) && + ((1ULL << _la) & ((1ULL << SysYParser::T__10) + | (1ULL << SysYParser::T__19) + | (1ULL << SysYParser::T__20) + | (1ULL << SysYParser::T__21) + | (1ULL << SysYParser::FloatConst) + | (1ULL << SysYParser::IntConst) + | (1ULL << SysYParser::Ident))) != 0)) { + setState(274); + funcRParams(); + } + setState(277); + match(SysYParser::T__11); + break; + } + + case 3: { + enterOuterAlt(_localctx, 3); + setState(278); + unaryOp(); + setState(279); + unaryExp(); + break; + } + + } + + } + catch (RecognitionException &e) { + _errHandler->reportError(this, e); + _localctx->exception = std::current_exception(); + _errHandler->recover(this, _localctx->exception); + } + + return _localctx; +} + +//----------------- UnaryOpContext ------------------------------------------------------------------ + +SysYParser::UnaryOpContext::UnaryOpContext(ParserRuleContext *parent, size_t invokingState) + : ParserRuleContext(parent, invokingState) { +} + + +size_t SysYParser::UnaryOpContext::getRuleIndex() const { + return SysYParser::RuleUnaryOp; +} + +antlrcpp::Any SysYParser::UnaryOpContext::accept(tree::ParseTreeVisitor *visitor) { + if (auto parserVisitor = dynamic_cast(visitor)) + return parserVisitor->visitUnaryOp(this); + else + return visitor->visitChildren(this); +} + +SysYParser::UnaryOpContext* SysYParser::unaryOp() { + UnaryOpContext *_localctx = _tracker.createInstance(_ctx, getState()); + enterRule(_localctx, 44, SysYParser::RuleUnaryOp); + size_t _la = 0; + + auto onExit = finally([=] { + exitRule(); + }); + try { + enterOuterAlt(_localctx, 1); + setState(283); + _la = _input->LA(1); + if (!((((_la & ~ 0x3fULL) == 0) && + ((1ULL << _la) & ((1ULL << SysYParser::T__19) + | (1ULL << SysYParser::T__20) + | (1ULL << SysYParser::T__21))) != 0))) { + _errHandler->recoverInline(this); + } + else { + _errHandler->reportMatch(this); + consume(); + } + + } + catch (RecognitionException &e) { + _errHandler->reportError(this, e); + _localctx->exception = std::current_exception(); + _errHandler->recover(this, _localctx->exception); + } + + return _localctx; +} + +//----------------- FuncRParamsContext ------------------------------------------------------------------ + +SysYParser::FuncRParamsContext::FuncRParamsContext(ParserRuleContext *parent, size_t invokingState) + : ParserRuleContext(parent, invokingState) { +} + +std::vector SysYParser::FuncRParamsContext::exp() { + return getRuleContexts(); +} + +SysYParser::ExpContext* SysYParser::FuncRParamsContext::exp(size_t i) { + return getRuleContext(i); +} + + +size_t SysYParser::FuncRParamsContext::getRuleIndex() const { + return SysYParser::RuleFuncRParams; +} + +antlrcpp::Any SysYParser::FuncRParamsContext::accept(tree::ParseTreeVisitor *visitor) { + if (auto parserVisitor = dynamic_cast(visitor)) + return parserVisitor->visitFuncRParams(this); + else + return visitor->visitChildren(this); +} + +SysYParser::FuncRParamsContext* SysYParser::funcRParams() { + FuncRParamsContext *_localctx = _tracker.createInstance(_ctx, getState()); + enterRule(_localctx, 46, SysYParser::RuleFuncRParams); + size_t _la = 0; + + auto onExit = finally([=] { + exitRule(); + }); + try { + enterOuterAlt(_localctx, 1); + setState(285); + exp(); + setState(290); + _errHandler->sync(this); + _la = _input->LA(1); + while (_la == SysYParser::T__1) { + setState(286); + match(SysYParser::T__1); + setState(287); + exp(); + setState(292); + _errHandler->sync(this); + _la = _input->LA(1); + } + + } + catch (RecognitionException &e) { + _errHandler->reportError(this, e); + _localctx->exception = std::current_exception(); + _errHandler->recover(this, _localctx->exception); + } + + return _localctx; +} + +//----------------- MulExpContext ------------------------------------------------------------------ + +SysYParser::MulExpContext::MulExpContext(ParserRuleContext *parent, size_t invokingState) + : ParserRuleContext(parent, invokingState) { +} + +std::vector SysYParser::MulExpContext::unaryExp() { + return getRuleContexts(); +} + +SysYParser::UnaryExpContext* SysYParser::MulExpContext::unaryExp(size_t i) { + return getRuleContext(i); +} + + +size_t SysYParser::MulExpContext::getRuleIndex() const { + return SysYParser::RuleMulExp; +} + +antlrcpp::Any SysYParser::MulExpContext::accept(tree::ParseTreeVisitor *visitor) { + if (auto parserVisitor = dynamic_cast(visitor)) + return parserVisitor->visitMulExp(this); + else + return visitor->visitChildren(this); +} + +SysYParser::MulExpContext* SysYParser::mulExp() { + MulExpContext *_localctx = _tracker.createInstance(_ctx, getState()); + enterRule(_localctx, 48, SysYParser::RuleMulExp); + size_t _la = 0; + + auto onExit = finally([=] { + exitRule(); + }); + try { + enterOuterAlt(_localctx, 1); + setState(293); + unaryExp(); + setState(298); + _errHandler->sync(this); + _la = _input->LA(1); + while ((((_la & ~ 0x3fULL) == 0) && + ((1ULL << _la) & ((1ULL << SysYParser::T__22) + | (1ULL << SysYParser::T__23) + | (1ULL << SysYParser::T__24))) != 0)) { + setState(294); + _la = _input->LA(1); + if (!((((_la & ~ 0x3fULL) == 0) && + ((1ULL << _la) & ((1ULL << SysYParser::T__22) + | (1ULL << SysYParser::T__23) + | (1ULL << SysYParser::T__24))) != 0))) { + _errHandler->recoverInline(this); + } + else { + _errHandler->reportMatch(this); + consume(); + } + setState(295); + unaryExp(); + setState(300); + _errHandler->sync(this); + _la = _input->LA(1); + } + + } + catch (RecognitionException &e) { + _errHandler->reportError(this, e); + _localctx->exception = std::current_exception(); + _errHandler->recover(this, _localctx->exception); + } + + return _localctx; +} + +//----------------- AddExpContext ------------------------------------------------------------------ + +SysYParser::AddExpContext::AddExpContext(ParserRuleContext *parent, size_t invokingState) + : ParserRuleContext(parent, invokingState) { +} + +std::vector SysYParser::AddExpContext::mulExp() { + return getRuleContexts(); +} + +SysYParser::MulExpContext* SysYParser::AddExpContext::mulExp(size_t i) { + return getRuleContext(i); +} + + +size_t SysYParser::AddExpContext::getRuleIndex() const { + return SysYParser::RuleAddExp; +} + +antlrcpp::Any SysYParser::AddExpContext::accept(tree::ParseTreeVisitor *visitor) { + if (auto parserVisitor = dynamic_cast(visitor)) + return parserVisitor->visitAddExp(this); + else + return visitor->visitChildren(this); +} + +SysYParser::AddExpContext* SysYParser::addExp() { + AddExpContext *_localctx = _tracker.createInstance(_ctx, getState()); + enterRule(_localctx, 50, SysYParser::RuleAddExp); + size_t _la = 0; + + auto onExit = finally([=] { + exitRule(); + }); + try { + enterOuterAlt(_localctx, 1); + setState(301); + mulExp(); + setState(306); + _errHandler->sync(this); + _la = _input->LA(1); + while (_la == SysYParser::T__19 + + || _la == SysYParser::T__20) { + setState(302); + _la = _input->LA(1); + if (!(_la == SysYParser::T__19 + + || _la == SysYParser::T__20)) { + _errHandler->recoverInline(this); + } + else { + _errHandler->reportMatch(this); + consume(); + } + setState(303); + mulExp(); + setState(308); + _errHandler->sync(this); + _la = _input->LA(1); + } + + } + catch (RecognitionException &e) { + _errHandler->reportError(this, e); + _localctx->exception = std::current_exception(); + _errHandler->recover(this, _localctx->exception); + } + + return _localctx; +} + +//----------------- RelExpContext ------------------------------------------------------------------ + +SysYParser::RelExpContext::RelExpContext(ParserRuleContext *parent, size_t invokingState) + : ParserRuleContext(parent, invokingState) { +} + +std::vector SysYParser::RelExpContext::addExp() { + return getRuleContexts(); +} + +SysYParser::AddExpContext* SysYParser::RelExpContext::addExp(size_t i) { + return getRuleContext(i); +} + + +size_t SysYParser::RelExpContext::getRuleIndex() const { + return SysYParser::RuleRelExp; +} + +antlrcpp::Any SysYParser::RelExpContext::accept(tree::ParseTreeVisitor *visitor) { + if (auto parserVisitor = dynamic_cast(visitor)) + return parserVisitor->visitRelExp(this); + else + return visitor->visitChildren(this); +} + +SysYParser::RelExpContext* SysYParser::relExp() { + RelExpContext *_localctx = _tracker.createInstance(_ctx, getState()); + enterRule(_localctx, 52, SysYParser::RuleRelExp); + size_t _la = 0; + + auto onExit = finally([=] { + exitRule(); + }); + try { + enterOuterAlt(_localctx, 1); + setState(309); + addExp(); + setState(314); + _errHandler->sync(this); + _la = _input->LA(1); + while ((((_la & ~ 0x3fULL) == 0) && + ((1ULL << _la) & ((1ULL << SysYParser::T__25) + | (1ULL << SysYParser::T__26) + | (1ULL << SysYParser::T__27) + | (1ULL << SysYParser::T__28))) != 0)) { + setState(310); + _la = _input->LA(1); + if (!((((_la & ~ 0x3fULL) == 0) && + ((1ULL << _la) & ((1ULL << SysYParser::T__25) + | (1ULL << SysYParser::T__26) + | (1ULL << SysYParser::T__27) + | (1ULL << SysYParser::T__28))) != 0))) { + _errHandler->recoverInline(this); + } + else { + _errHandler->reportMatch(this); + consume(); + } + setState(311); + addExp(); + setState(316); + _errHandler->sync(this); + _la = _input->LA(1); + } + + } + catch (RecognitionException &e) { + _errHandler->reportError(this, e); + _localctx->exception = std::current_exception(); + _errHandler->recover(this, _localctx->exception); + } + + return _localctx; +} + +//----------------- EqExpContext ------------------------------------------------------------------ + +SysYParser::EqExpContext::EqExpContext(ParserRuleContext *parent, size_t invokingState) + : ParserRuleContext(parent, invokingState) { +} + +std::vector SysYParser::EqExpContext::relExp() { + return getRuleContexts(); +} + +SysYParser::RelExpContext* SysYParser::EqExpContext::relExp(size_t i) { + return getRuleContext(i); +} + + +size_t SysYParser::EqExpContext::getRuleIndex() const { + return SysYParser::RuleEqExp; +} + +antlrcpp::Any SysYParser::EqExpContext::accept(tree::ParseTreeVisitor *visitor) { + if (auto parserVisitor = dynamic_cast(visitor)) + return parserVisitor->visitEqExp(this); + else + return visitor->visitChildren(this); +} + +SysYParser::EqExpContext* SysYParser::eqExp() { + EqExpContext *_localctx = _tracker.createInstance(_ctx, getState()); + enterRule(_localctx, 54, SysYParser::RuleEqExp); + size_t _la = 0; + + auto onExit = finally([=] { + exitRule(); + }); + try { + enterOuterAlt(_localctx, 1); + setState(317); + relExp(); + setState(322); + _errHandler->sync(this); + _la = _input->LA(1); + while (_la == SysYParser::T__29 + + || _la == SysYParser::T__30) { + setState(318); + _la = _input->LA(1); + if (!(_la == SysYParser::T__29 + + || _la == SysYParser::T__30)) { + _errHandler->recoverInline(this); + } + else { + _errHandler->reportMatch(this); + consume(); + } + setState(319); + relExp(); + setState(324); + _errHandler->sync(this); + _la = _input->LA(1); + } + + } + catch (RecognitionException &e) { + _errHandler->reportError(this, e); + _localctx->exception = std::current_exception(); + _errHandler->recover(this, _localctx->exception); + } + + return _localctx; +} + +//----------------- LAndExpContext ------------------------------------------------------------------ + +SysYParser::LAndExpContext::LAndExpContext(ParserRuleContext *parent, size_t invokingState) + : ParserRuleContext(parent, invokingState) { +} + +std::vector SysYParser::LAndExpContext::eqExp() { + return getRuleContexts(); +} + +SysYParser::EqExpContext* SysYParser::LAndExpContext::eqExp(size_t i) { + return getRuleContext(i); +} + + +size_t SysYParser::LAndExpContext::getRuleIndex() const { + return SysYParser::RuleLAndExp; +} + +antlrcpp::Any SysYParser::LAndExpContext::accept(tree::ParseTreeVisitor *visitor) { + if (auto parserVisitor = dynamic_cast(visitor)) + return parserVisitor->visitLAndExp(this); + else + return visitor->visitChildren(this); +} + +SysYParser::LAndExpContext* SysYParser::lAndExp() { + LAndExpContext *_localctx = _tracker.createInstance(_ctx, getState()); + enterRule(_localctx, 56, SysYParser::RuleLAndExp); + size_t _la = 0; + + auto onExit = finally([=] { + exitRule(); + }); + try { + enterOuterAlt(_localctx, 1); + setState(325); + eqExp(); + setState(330); + _errHandler->sync(this); + _la = _input->LA(1); + while (_la == SysYParser::T__31) { + setState(326); + match(SysYParser::T__31); + setState(327); + eqExp(); + setState(332); + _errHandler->sync(this); + _la = _input->LA(1); + } + + } + catch (RecognitionException &e) { + _errHandler->reportError(this, e); + _localctx->exception = std::current_exception(); + _errHandler->recover(this, _localctx->exception); + } + + return _localctx; +} + +//----------------- LOrExpContext ------------------------------------------------------------------ + +SysYParser::LOrExpContext::LOrExpContext(ParserRuleContext *parent, size_t invokingState) + : ParserRuleContext(parent, invokingState) { +} + +std::vector SysYParser::LOrExpContext::lAndExp() { + return getRuleContexts(); +} + +SysYParser::LAndExpContext* SysYParser::LOrExpContext::lAndExp(size_t i) { + return getRuleContext(i); +} + + +size_t SysYParser::LOrExpContext::getRuleIndex() const { + return SysYParser::RuleLOrExp; +} + +antlrcpp::Any SysYParser::LOrExpContext::accept(tree::ParseTreeVisitor *visitor) { + if (auto parserVisitor = dynamic_cast(visitor)) + return parserVisitor->visitLOrExp(this); + else + return visitor->visitChildren(this); +} + +SysYParser::LOrExpContext* SysYParser::lOrExp() { + LOrExpContext *_localctx = _tracker.createInstance(_ctx, getState()); + enterRule(_localctx, 58, SysYParser::RuleLOrExp); + size_t _la = 0; + + auto onExit = finally([=] { + exitRule(); + }); + try { + enterOuterAlt(_localctx, 1); + setState(333); + lAndExp(); + setState(338); + _errHandler->sync(this); + _la = _input->LA(1); + while (_la == SysYParser::T__32) { + setState(334); + match(SysYParser::T__32); + setState(335); + lAndExp(); + setState(340); + _errHandler->sync(this); + _la = _input->LA(1); + } + + } + catch (RecognitionException &e) { + _errHandler->reportError(this, e); + _localctx->exception = std::current_exception(); + _errHandler->recover(this, _localctx->exception); + } + + return _localctx; +} + +//----------------- ConstExpContext ------------------------------------------------------------------ + +SysYParser::ConstExpContext::ConstExpContext(ParserRuleContext *parent, size_t invokingState) + : ParserRuleContext(parent, invokingState) { +} + +SysYParser::AddExpContext* SysYParser::ConstExpContext::addExp() { + return getRuleContext(0); +} + + +size_t SysYParser::ConstExpContext::getRuleIndex() const { + return SysYParser::RuleConstExp; +} + +antlrcpp::Any SysYParser::ConstExpContext::accept(tree::ParseTreeVisitor *visitor) { + if (auto parserVisitor = dynamic_cast(visitor)) + return parserVisitor->visitConstExp(this); + else + return visitor->visitChildren(this); +} + +SysYParser::ConstExpContext* SysYParser::constExp() { + ConstExpContext *_localctx = _tracker.createInstance(_ctx, getState()); + enterRule(_localctx, 60, SysYParser::RuleConstExp); + + auto onExit = finally([=] { + exitRule(); + }); + try { + enterOuterAlt(_localctx, 1); + setState(341); + addExp(); + + } + catch (RecognitionException &e) { + _errHandler->reportError(this, e); + _localctx->exception = std::current_exception(); + _errHandler->recover(this, _localctx->exception); + } + + return _localctx; +} + +// Static vars and initialization. +std::vector SysYParser::_decisionToDFA; +atn::PredictionContextCache SysYParser::_sharedContextCache; + +// We own the ATN which in turn owns the ATN states. +atn::ATN SysYParser::_atn; +std::vector SysYParser::_serializedATN; + +std::vector SysYParser::_ruleNames = { + "compUnit", "decl", "constDecl", "bType", "constDef", "constInitVal", + "varDecl", "varDef", "initVal", "funcDef", "funcType", "funcFParams", + "funcFParam", "block", "blockItem", "stmt", "exp", "cond", "lVal", "primaryExp", + "number", "unaryExp", "unaryOp", "funcRParams", "mulExp", "addExp", "relExp", + "eqExp", "lAndExp", "lOrExp", "constExp" +}; + +std::vector SysYParser::_literalNames = { + "", "'const'", "','", "';'", "'int'", "'float'", "'['", "']'", "'='", + "'{'", "'}'", "'('", "')'", "'void'", "'if'", "'else'", "'while'", "'break'", + "'continue'", "'return'", "'+'", "'-'", "'!'", "'*'", "'/'", "'%'", "'<'", + "'>'", "'<='", "'>='", "'=='", "'!='", "'&&'", "'||'" +}; + +std::vector SysYParser::_symbolicNames = { + "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", + "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "FloatConst", + "IntConst", "Ident", "WS", "LINE_COMMENT", "BLOCK_COMMENT" +}; + +dfa::Vocabulary SysYParser::_vocabulary(_literalNames, _symbolicNames); + +std::vector SysYParser::_tokenNames; + +SysYParser::Initializer::Initializer() { + for (size_t i = 0; i < _symbolicNames.size(); ++i) { + std::string name = _vocabulary.getLiteralName(i); + if (name.empty()) { + name = _vocabulary.getSymbolicName(i); + } + + if (name.empty()) { + _tokenNames.push_back(""); + } else { + _tokenNames.push_back(name); + } + } + + _serializedATN = { + 0x3, 0x608b, 0xa72a, 0x8133, 0xb9ed, 0x417c, 0x3be7, 0x7786, 0x5964, + 0x3, 0x29, 0x15a, 0x4, 0x2, 0x9, 0x2, 0x4, 0x3, 0x9, 0x3, 0x4, 0x4, + 0x9, 0x4, 0x4, 0x5, 0x9, 0x5, 0x4, 0x6, 0x9, 0x6, 0x4, 0x7, 0x9, 0x7, + 0x4, 0x8, 0x9, 0x8, 0x4, 0x9, 0x9, 0x9, 0x4, 0xa, 0x9, 0xa, 0x4, 0xb, + 0x9, 0xb, 0x4, 0xc, 0x9, 0xc, 0x4, 0xd, 0x9, 0xd, 0x4, 0xe, 0x9, 0xe, + 0x4, 0xf, 0x9, 0xf, 0x4, 0x10, 0x9, 0x10, 0x4, 0x11, 0x9, 0x11, 0x4, + 0x12, 0x9, 0x12, 0x4, 0x13, 0x9, 0x13, 0x4, 0x14, 0x9, 0x14, 0x4, 0x15, + 0x9, 0x15, 0x4, 0x16, 0x9, 0x16, 0x4, 0x17, 0x9, 0x17, 0x4, 0x18, 0x9, + 0x18, 0x4, 0x19, 0x9, 0x19, 0x4, 0x1a, 0x9, 0x1a, 0x4, 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0x5f, 0x6c, + 0x6f, 0x72, 0x7a, 0x86, 0x90, 0x95, 0x9e, 0xa1, 0xa4, 0xaa, 0xb6, 0xc3, + 0xc6, 0xcc, 0xd3, 0xdb, 0xe6, 0xf4, 0xf7, 0x104, 0x10d, 0x115, 0x11b, + 0x124, 0x12c, 0x134, 0x13c, 0x144, 0x14c, 0x154, + }; + + atn::ATNDeserializer deserializer; + _atn = deserializer.deserialize(_serializedATN); + + size_t count = _atn.getNumberOfDecisions(); + _decisionToDFA.reserve(count); + for (size_t i = 0; i < count; i++) { + _decisionToDFA.emplace_back(_atn.getDecisionState(i), i); + } +} + +SysYParser::Initializer SysYParser::_init; diff --git a/src/antlr4/SysYParser.h b/src/antlr4/SysYParser.h new file mode 100644 index 0000000..3f76b79 --- /dev/null +++ b/src/antlr4/SysYParser.h @@ -0,0 +1,513 @@ + +// Generated from SysY.g4 by ANTLR 4.7.2 + +#pragma once + + +#include "antlr4-runtime.h" + + + + +class SysYParser : public antlr4::Parser { +public: + enum { + T__0 = 1, T__1 = 2, T__2 = 3, T__3 = 4, T__4 = 5, T__5 = 6, T__6 = 7, + T__7 = 8, T__8 = 9, T__9 = 10, T__10 = 11, T__11 = 12, T__12 = 13, T__13 = 14, + T__14 = 15, T__15 = 16, T__16 = 17, T__17 = 18, T__18 = 19, T__19 = 20, + T__20 = 21, T__21 = 22, T__22 = 23, T__23 = 24, T__24 = 25, T__25 = 26, + T__26 = 27, T__27 = 28, T__28 = 29, T__29 = 30, T__30 = 31, T__31 = 32, + T__32 = 33, FloatConst = 34, IntConst = 35, Ident = 36, WS = 37, LINE_COMMENT = 38, + BLOCK_COMMENT = 39 + }; + + enum { + RuleCompUnit = 0, RuleDecl = 1, RuleConstDecl = 2, RuleBType = 3, RuleConstDef = 4, + RuleConstInitVal = 5, RuleVarDecl = 6, RuleVarDef = 7, RuleInitVal = 8, + RuleFuncDef = 9, RuleFuncType = 10, RuleFuncFParams = 11, RuleFuncFParam = 12, + RuleBlock = 13, RuleBlockItem = 14, RuleStmt = 15, RuleExp = 16, RuleCond = 17, + RuleLVal = 18, RulePrimaryExp = 19, RuleNumber = 20, RuleUnaryExp = 21, + RuleUnaryOp = 22, RuleFuncRParams = 23, RuleMulExp = 24, RuleAddExp = 25, + RuleRelExp = 26, RuleEqExp = 27, RuleLAndExp = 28, RuleLOrExp = 29, + RuleConstExp = 30 + }; + + SysYParser(antlr4::TokenStream *input); + ~SysYParser(); + + virtual std::string getGrammarFileName() const override; + virtual const antlr4::atn::ATN& getATN() const override { return _atn; }; + virtual const std::vector& getTokenNames() const override { return _tokenNames; }; // deprecated: use vocabulary instead. + virtual const std::vector& getRuleNames() const override; + virtual antlr4::dfa::Vocabulary& getVocabulary() const override; + + + class CompUnitContext; + class DeclContext; + class ConstDeclContext; + class BTypeContext; + class ConstDefContext; + class ConstInitValContext; + class VarDeclContext; + class VarDefContext; + class InitValContext; + class FuncDefContext; + class FuncTypeContext; + class FuncFParamsContext; + class FuncFParamContext; + class BlockContext; + class BlockItemContext; + class StmtContext; + class ExpContext; + class CondContext; + class LValContext; + class PrimaryExpContext; + class NumberContext; + class UnaryExpContext; + class UnaryOpContext; + class FuncRParamsContext; + class MulExpContext; + class AddExpContext; + class RelExpContext; + class EqExpContext; + class LAndExpContext; + class LOrExpContext; + class ConstExpContext; + + class CompUnitContext : public antlr4::ParserRuleContext { + public: + CompUnitContext(antlr4::ParserRuleContext *parent, size_t invokingState); + virtual size_t getRuleIndex() const override; + std::vector decl(); + DeclContext* decl(size_t i); + std::vector funcDef(); + FuncDefContext* funcDef(size_t i); + + virtual antlrcpp::Any accept(antlr4::tree::ParseTreeVisitor *visitor) override; + + }; + + CompUnitContext* compUnit(); + + class DeclContext : public antlr4::ParserRuleContext { + public: + DeclContext(antlr4::ParserRuleContext *parent, size_t invokingState); + virtual size_t getRuleIndex() const override; + ConstDeclContext *constDecl(); + VarDeclContext *varDecl(); + + virtual antlrcpp::Any accept(antlr4::tree::ParseTreeVisitor *visitor) override; + + }; + + DeclContext* decl(); + + class ConstDeclContext : public antlr4::ParserRuleContext { + public: + ConstDeclContext(antlr4::ParserRuleContext *parent, size_t invokingState); + virtual size_t getRuleIndex() const override; + BTypeContext *bType(); + std::vector constDef(); + ConstDefContext* constDef(size_t i); + + virtual antlrcpp::Any accept(antlr4::tree::ParseTreeVisitor *visitor) override; + + }; + + ConstDeclContext* constDecl(); + + class BTypeContext : public antlr4::ParserRuleContext { + public: + BTypeContext(antlr4::ParserRuleContext *parent, size_t invokingState); + virtual size_t getRuleIndex() const override; + + virtual antlrcpp::Any accept(antlr4::tree::ParseTreeVisitor *visitor) override; + + }; + + BTypeContext* bType(); + + class ConstDefContext : public antlr4::ParserRuleContext { + public: + ConstDefContext(antlr4::ParserRuleContext *parent, size_t invokingState); + virtual size_t getRuleIndex() const override; + antlr4::tree::TerminalNode *Ident(); + ConstInitValContext *constInitVal(); + std::vector constExp(); + ConstExpContext* constExp(size_t i); + + virtual antlrcpp::Any accept(antlr4::tree::ParseTreeVisitor *visitor) override; + + }; + + ConstDefContext* constDef(); + + class ConstInitValContext : public antlr4::ParserRuleContext { + public: + ConstInitValContext(antlr4::ParserRuleContext *parent, size_t invokingState); + virtual size_t getRuleIndex() const override; + ConstExpContext *constExp(); + std::vector constInitVal(); + ConstInitValContext* constInitVal(size_t i); + + virtual antlrcpp::Any accept(antlr4::tree::ParseTreeVisitor *visitor) override; + + }; + + ConstInitValContext* constInitVal(); + + class VarDeclContext : public antlr4::ParserRuleContext { + public: + VarDeclContext(antlr4::ParserRuleContext *parent, size_t invokingState); + virtual size_t getRuleIndex() const override; + BTypeContext *bType(); + std::vector varDef(); + VarDefContext* varDef(size_t i); + + virtual antlrcpp::Any accept(antlr4::tree::ParseTreeVisitor *visitor) override; + + }; + + VarDeclContext* varDecl(); + + class VarDefContext : public antlr4::ParserRuleContext { + public: + VarDefContext(antlr4::ParserRuleContext *parent, size_t invokingState); + virtual size_t getRuleIndex() const override; + antlr4::tree::TerminalNode *Ident(); + std::vector constExp(); + ConstExpContext* constExp(size_t i); + InitValContext *initVal(); + + virtual antlrcpp::Any accept(antlr4::tree::ParseTreeVisitor *visitor) override; + + }; + + VarDefContext* varDef(); + + class InitValContext : public antlr4::ParserRuleContext { + public: + InitValContext(antlr4::ParserRuleContext *parent, size_t invokingState); + virtual size_t getRuleIndex() const override; + ExpContext *exp(); + std::vector initVal(); + InitValContext* initVal(size_t i); + + virtual antlrcpp::Any accept(antlr4::tree::ParseTreeVisitor *visitor) override; + + }; + + InitValContext* initVal(); + + class FuncDefContext : public antlr4::ParserRuleContext { + public: + FuncDefContext(antlr4::ParserRuleContext *parent, size_t invokingState); + virtual size_t getRuleIndex() const override; + FuncTypeContext *funcType(); + antlr4::tree::TerminalNode *Ident(); + BlockContext *block(); + FuncFParamsContext *funcFParams(); + + virtual antlrcpp::Any accept(antlr4::tree::ParseTreeVisitor *visitor) override; + + }; + + FuncDefContext* funcDef(); + + class FuncTypeContext : public antlr4::ParserRuleContext { + public: + FuncTypeContext(antlr4::ParserRuleContext *parent, size_t invokingState); + virtual size_t getRuleIndex() const override; + + virtual antlrcpp::Any accept(antlr4::tree::ParseTreeVisitor *visitor) override; + + }; + + FuncTypeContext* funcType(); + + class FuncFParamsContext : public antlr4::ParserRuleContext { + public: + FuncFParamsContext(antlr4::ParserRuleContext *parent, size_t invokingState); + virtual size_t getRuleIndex() const override; + std::vector funcFParam(); + FuncFParamContext* funcFParam(size_t i); + + virtual antlrcpp::Any accept(antlr4::tree::ParseTreeVisitor *visitor) override; + + }; + + FuncFParamsContext* funcFParams(); + + class FuncFParamContext : public antlr4::ParserRuleContext { + public: + FuncFParamContext(antlr4::ParserRuleContext *parent, size_t invokingState); + virtual size_t getRuleIndex() const override; + BTypeContext *bType(); + antlr4::tree::TerminalNode *Ident(); + std::vector exp(); + ExpContext* exp(size_t i); + + virtual antlrcpp::Any accept(antlr4::tree::ParseTreeVisitor *visitor) override; + + }; + + FuncFParamContext* funcFParam(); + + class BlockContext : public antlr4::ParserRuleContext { + public: + BlockContext(antlr4::ParserRuleContext *parent, size_t invokingState); + virtual size_t getRuleIndex() const override; + std::vector blockItem(); + BlockItemContext* blockItem(size_t i); + + virtual antlrcpp::Any accept(antlr4::tree::ParseTreeVisitor *visitor) override; + + }; + + BlockContext* block(); + + class BlockItemContext : public antlr4::ParserRuleContext { + public: + BlockItemContext(antlr4::ParserRuleContext *parent, size_t invokingState); + virtual size_t getRuleIndex() const override; + DeclContext *decl(); + StmtContext *stmt(); + + virtual antlrcpp::Any accept(antlr4::tree::ParseTreeVisitor *visitor) override; + + }; + + BlockItemContext* blockItem(); + + class StmtContext : public antlr4::ParserRuleContext { + public: + StmtContext(antlr4::ParserRuleContext *parent, size_t invokingState); + virtual size_t getRuleIndex() const override; + LValContext *lVal(); + ExpContext *exp(); + BlockContext *block(); + CondContext *cond(); + std::vector stmt(); + StmtContext* stmt(size_t i); + + virtual antlrcpp::Any accept(antlr4::tree::ParseTreeVisitor *visitor) override; + + }; + + StmtContext* stmt(); + + class ExpContext : public antlr4::ParserRuleContext { + public: + ExpContext(antlr4::ParserRuleContext *parent, size_t invokingState); + virtual size_t getRuleIndex() const override; + AddExpContext *addExp(); + + virtual antlrcpp::Any accept(antlr4::tree::ParseTreeVisitor *visitor) override; + + }; + + ExpContext* exp(); + + class CondContext : public antlr4::ParserRuleContext { + public: + CondContext(antlr4::ParserRuleContext *parent, size_t invokingState); + virtual size_t getRuleIndex() const override; + LOrExpContext *lOrExp(); + + virtual antlrcpp::Any accept(antlr4::tree::ParseTreeVisitor *visitor) override; + + }; + + CondContext* cond(); + + class LValContext : public antlr4::ParserRuleContext { + public: + LValContext(antlr4::ParserRuleContext *parent, size_t invokingState); + virtual size_t getRuleIndex() const override; + antlr4::tree::TerminalNode *Ident(); + std::vector exp(); + ExpContext* exp(size_t i); + + virtual antlrcpp::Any accept(antlr4::tree::ParseTreeVisitor *visitor) override; + + }; + + LValContext* lVal(); + + class PrimaryExpContext : public antlr4::ParserRuleContext { + public: + PrimaryExpContext(antlr4::ParserRuleContext *parent, size_t invokingState); + virtual size_t getRuleIndex() const override; + ExpContext *exp(); + LValContext *lVal(); + NumberContext *number(); + + virtual antlrcpp::Any accept(antlr4::tree::ParseTreeVisitor *visitor) override; + + }; + + PrimaryExpContext* primaryExp(); + + class NumberContext : public antlr4::ParserRuleContext { + public: + NumberContext(antlr4::ParserRuleContext *parent, size_t invokingState); + virtual size_t getRuleIndex() const override; + antlr4::tree::TerminalNode *FloatConst(); + antlr4::tree::TerminalNode *IntConst(); + + virtual antlrcpp::Any accept(antlr4::tree::ParseTreeVisitor *visitor) override; + + }; + + NumberContext* number(); + + class UnaryExpContext : public antlr4::ParserRuleContext { + public: + UnaryExpContext(antlr4::ParserRuleContext *parent, size_t invokingState); + virtual size_t getRuleIndex() const override; + PrimaryExpContext *primaryExp(); + antlr4::tree::TerminalNode *Ident(); + FuncRParamsContext *funcRParams(); + UnaryOpContext *unaryOp(); + UnaryExpContext *unaryExp(); + + virtual antlrcpp::Any accept(antlr4::tree::ParseTreeVisitor *visitor) override; + + }; + + UnaryExpContext* unaryExp(); + + class UnaryOpContext : public antlr4::ParserRuleContext { + public: + UnaryOpContext(antlr4::ParserRuleContext *parent, size_t invokingState); + virtual size_t getRuleIndex() const override; + + virtual antlrcpp::Any accept(antlr4::tree::ParseTreeVisitor *visitor) override; + + }; + + UnaryOpContext* unaryOp(); + + class FuncRParamsContext : public antlr4::ParserRuleContext { + public: + FuncRParamsContext(antlr4::ParserRuleContext *parent, size_t invokingState); + virtual size_t getRuleIndex() const override; + std::vector exp(); + ExpContext* exp(size_t i); + + virtual antlrcpp::Any accept(antlr4::tree::ParseTreeVisitor *visitor) override; + + }; + + FuncRParamsContext* funcRParams(); + + class MulExpContext : public antlr4::ParserRuleContext { + public: + MulExpContext(antlr4::ParserRuleContext *parent, size_t invokingState); + virtual size_t getRuleIndex() const override; + std::vector unaryExp(); + UnaryExpContext* unaryExp(size_t i); + + virtual antlrcpp::Any accept(antlr4::tree::ParseTreeVisitor *visitor) override; + + }; + + MulExpContext* mulExp(); + + class AddExpContext : public antlr4::ParserRuleContext { + public: + AddExpContext(antlr4::ParserRuleContext *parent, size_t invokingState); + virtual size_t getRuleIndex() const override; + std::vector mulExp(); + MulExpContext* mulExp(size_t i); + + virtual antlrcpp::Any accept(antlr4::tree::ParseTreeVisitor *visitor) override; + + }; + + AddExpContext* addExp(); + + class RelExpContext : public antlr4::ParserRuleContext { + public: + RelExpContext(antlr4::ParserRuleContext *parent, size_t invokingState); + virtual size_t getRuleIndex() const override; + std::vector addExp(); + AddExpContext* addExp(size_t i); + + virtual antlrcpp::Any accept(antlr4::tree::ParseTreeVisitor *visitor) override; + + }; + + RelExpContext* relExp(); + + class EqExpContext : public antlr4::ParserRuleContext { + public: + EqExpContext(antlr4::ParserRuleContext *parent, size_t invokingState); + virtual size_t getRuleIndex() const override; + std::vector relExp(); + RelExpContext* relExp(size_t i); + + virtual antlrcpp::Any accept(antlr4::tree::ParseTreeVisitor *visitor) override; + + }; + + EqExpContext* eqExp(); + + class LAndExpContext : public antlr4::ParserRuleContext { + public: + LAndExpContext(antlr4::ParserRuleContext *parent, size_t invokingState); + virtual size_t getRuleIndex() const override; + std::vector eqExp(); + EqExpContext* eqExp(size_t i); + + virtual antlrcpp::Any accept(antlr4::tree::ParseTreeVisitor *visitor) override; + + }; + + LAndExpContext* lAndExp(); + + class LOrExpContext : public antlr4::ParserRuleContext { + public: + LOrExpContext(antlr4::ParserRuleContext *parent, size_t invokingState); + virtual size_t getRuleIndex() const override; + std::vector lAndExp(); + LAndExpContext* lAndExp(size_t i); + + virtual antlrcpp::Any accept(antlr4::tree::ParseTreeVisitor *visitor) override; + + }; + + LOrExpContext* lOrExp(); + + class ConstExpContext : public antlr4::ParserRuleContext { + public: + ConstExpContext(antlr4::ParserRuleContext *parent, size_t invokingState); + virtual size_t getRuleIndex() const override; + AddExpContext *addExp(); + + virtual antlrcpp::Any accept(antlr4::tree::ParseTreeVisitor *visitor) override; + + }; + + ConstExpContext* constExp(); + + +private: + static std::vector _decisionToDFA; + static antlr4::atn::PredictionContextCache _sharedContextCache; + static std::vector _ruleNames; + static std::vector _tokenNames; + + static std::vector _literalNames; + static std::vector _symbolicNames; + static antlr4::dfa::Vocabulary _vocabulary; + static antlr4::atn::ATN _atn; + static std::vector _serializedATN; + + + struct Initializer { + Initializer(); + }; + static Initializer _init; +}; + diff --git a/src/antlr4/SysYVisitor.cpp b/src/antlr4/SysYVisitor.cpp new file mode 100644 index 0000000..a079f4d --- /dev/null +++ b/src/antlr4/SysYVisitor.cpp @@ -0,0 +1,7 @@ + +// Generated from SysY.g4 by ANTLR 4.7.2 + + +#include "SysYVisitor.h" + + diff --git a/src/antlr4/SysYVisitor.h b/src/antlr4/SysYVisitor.h new file mode 100644 index 0000000..32ef9ee --- /dev/null +++ b/src/antlr4/SysYVisitor.h @@ -0,0 +1,86 @@ + +// Generated from SysY.g4 by ANTLR 4.7.2 + +#pragma once + + +#include "antlr4-runtime.h" +#include "SysYParser.h" + + + +/** + * This class defines an abstract visitor for a parse tree + * produced by SysYParser. + */ +class SysYVisitor : public antlr4::tree::AbstractParseTreeVisitor { +public: + + /** + * Visit parse trees produced by SysYParser. + */ + virtual antlrcpp::Any visitCompUnit(SysYParser::CompUnitContext *context) = 0; + + virtual antlrcpp::Any visitDecl(SysYParser::DeclContext *context) = 0; + + virtual antlrcpp::Any visitConstDecl(SysYParser::ConstDeclContext *context) = 0; + + virtual antlrcpp::Any visitBType(SysYParser::BTypeContext *context) = 0; + + virtual antlrcpp::Any visitConstDef(SysYParser::ConstDefContext *context) = 0; + + virtual antlrcpp::Any visitConstInitVal(SysYParser::ConstInitValContext *context) = 0; + + virtual antlrcpp::Any visitVarDecl(SysYParser::VarDeclContext *context) = 0; + + virtual antlrcpp::Any visitVarDef(SysYParser::VarDefContext *context) = 0; + + virtual antlrcpp::Any visitInitVal(SysYParser::InitValContext *context) = 0; + + virtual antlrcpp::Any visitFuncDef(SysYParser::FuncDefContext *context) = 0; + + virtual antlrcpp::Any visitFuncType(SysYParser::FuncTypeContext *context) = 0; + + virtual antlrcpp::Any visitFuncFParams(SysYParser::FuncFParamsContext *context) = 0; + + virtual antlrcpp::Any visitFuncFParam(SysYParser::FuncFParamContext *context) = 0; + + virtual antlrcpp::Any visitBlock(SysYParser::BlockContext *context) = 0; + + virtual antlrcpp::Any visitBlockItem(SysYParser::BlockItemContext *context) = 0; + + virtual antlrcpp::Any visitStmt(SysYParser::StmtContext *context) = 0; + + virtual antlrcpp::Any visitExp(SysYParser::ExpContext *context) = 0; + + virtual antlrcpp::Any visitCond(SysYParser::CondContext *context) = 0; + + virtual antlrcpp::Any visitLVal(SysYParser::LValContext *context) = 0; + + virtual antlrcpp::Any visitPrimaryExp(SysYParser::PrimaryExpContext *context) = 0; + + virtual antlrcpp::Any visitNumber(SysYParser::NumberContext *context) = 0; + + virtual antlrcpp::Any visitUnaryExp(SysYParser::UnaryExpContext *context) = 0; + + virtual antlrcpp::Any visitUnaryOp(SysYParser::UnaryOpContext *context) = 0; + + virtual antlrcpp::Any visitFuncRParams(SysYParser::FuncRParamsContext *context) = 0; + + virtual antlrcpp::Any visitMulExp(SysYParser::MulExpContext *context) = 0; + + virtual antlrcpp::Any visitAddExp(SysYParser::AddExpContext *context) = 0; + + virtual antlrcpp::Any visitRelExp(SysYParser::RelExpContext *context) = 0; + + virtual antlrcpp::Any visitEqExp(SysYParser::EqExpContext *context) = 0; + + virtual antlrcpp::Any visitLAndExp(SysYParser::LAndExpContext *context) = 0; + + virtual antlrcpp::Any visitLOrExp(SysYParser::LOrExpContext *context) = 0; + + virtual antlrcpp::Any visitConstExp(SysYParser::ConstExpContext *context) = 0; + + +}; +