diff --git a/scripts/lab1_build_test.sh b/scripts/lab1_build_test.sh
new file mode 100644
index 0000000..a18944e
--- /dev/null
+++ b/scripts/lab1_build_test.sh
@@ -0,0 +1,93 @@
+#!/usr/bin/env bash
+# Lab1 自动化构建 + 解析测评脚本
+# 用法：bash scripts/lab1_build_test.sh [测试目录]
+# 默认测试目录：test/test_case/functional test/test_case/performance
+#
+# 退出码：
+# 0 全部用例解析通过
+# 1 存在解析失败用例
+
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+REPO_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
+COMPILER="$REPO_ROOT/build/bin/compiler"
+ANTLR_JAR="$REPO_ROOT/third_party/antlr-4.13.2-complete.jar"
+
+# 颜色输出
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+NC='\033[0m'
+
+# ─── Step 1：生成 Lexer/Parser ────────────────────────────────────────────────
+echo "==> [1/3] 生成 ANTLR Lexer/Parser ..."
+mkdir -p "$REPO_ROOT/build/generated/antlr4"
+java -jar "$ANTLR_JAR" \
+ -Dlanguage=Cpp \
+ -visitor -no-listener \
+ -Xexact-output-dir \
+ -o "$REPO_ROOT/build/generated/antlr4" \
+ "$REPO_ROOT/src/antlr4/SysY.g4"
+echo " Lexer/Parser 生成完毕"
+
+# ─── Step 2：CMake 构建（禁用后端）────────────────────────────────────────────
+echo "==> [2/3] CMake 构建（UNABLE_BACKEND=ON）..."
+cmake -S "$REPO_ROOT" -B "$REPO_ROOT/build" \
+ -DCMAKE_BUILD_TYPE=Release \
+ -DUNABLE_BACKEND=ON \
+ -DCMAKE_EXPORT_COMPILE_COMMANDS=OFF \
+ > /dev/null
+cmake --build "$REPO_ROOT/build" -j "$(nproc)" 2>&1 | grep -E "error:|warning:|Built target|Linking" || true
+echo " 构建完毕：$COMPILER"
+
+# ─── Step 3：批量解析测试 ─────────────────────────────────────────────────────
+echo "==> [3/3] 批量解析测试 ..."
+
+# 收集测试目录
+if [[ $# -ge 1 ]]; then
+ TEST_DIRS=("$@")
+else
+ TEST_DIRS=(
+ "$REPO_ROOT/test/test_case/functional"
+ "$REPO_ROOT/test/test_case/performance"
+ )
+fi
+
+PASS=0
+FAIL=0
+FAIL_LIST=()
+
+for TEST_DIR in "${TEST_DIRS[@]}"; do
+ if [[ ! -d "$TEST_DIR" ]]; then
+ echo -e " ${YELLOW}警告：目录不存在，跳过：$TEST_DIR${NC}"
+ continue
+ fi
+
+ while IFS= read -r -d '' sy_file; do
+ rel="$(realpath --relative-to="$REPO_ROOT" "$sy_file")"
+ if "$COMPILER" --emit-parse-tree "$sy_file" > /dev/null 2>&1; then
+ echo -e " ${GREEN}PASS${NC} $rel"
+ ((PASS++)) || true
+ else
+ echo -e " ${RED}FAIL${NC} $rel"
+ FAIL_LIST+=("$rel")
+ ((FAIL++)) || true
+ fi
+ done < <(find "$TEST_DIR" -name "*.sy" -print0 | sort -z)
+done
+
+# ─── 汇总 ─────────────────────────────────────────────────────────────────────
+echo ""
+echo "──────────────────────────────────────────"
+echo -e " 测试结果：${GREEN}${PASS} PASS${NC} / ${RED}${FAIL} FAIL${NC} / 总计 $((PASS + FAIL))"
+if [[ ${#FAIL_LIST[@]} -gt 0 ]]; then
+ echo ""
+ echo " 失败用例："
+ for f in "${FAIL_LIST[@]}"; do
+ echo -e " ${RED}- $f${NC}"
+ done
+fi
+echo "──────────────────────────────────────────"
+
+[[ $FAIL -eq 0 ]]
diff --git a/scripts/verify_asm.sh b/scripts/verify_asm.sh
old mode 100755
new mode 100644
diff --git a/scripts/verify_ir.sh b/scripts/verify_ir.sh
old mode 100755
new mode 100644
diff --git a/src/antlr4/.antlr/SysYBaseListener.java b/src/antlr4/.antlr/SysYBaseListener.java
new file mode 100644
index 0000000..bda7548
--- /dev/null
+++ b/src/antlr4/.antlr/SysYBaseListener.java
@@ -0,0 +1,255 @@
+// Generated from //wsl.localhost/Ubuntu/home/hw/nudt-compiler-cpp/src/antlr4/SysY.g4 by ANTLR 4.13.1
+
+import org.antlr.v4.runtime.ParserRuleContext;
+import org.antlr.v4.runtime.tree.ErrorNode;
+import org.antlr.v4.runtime.tree.TerminalNode;
+
+/**
+ * This class provides an empty implementation of {@link SysYListener},
+ * which can be extended to create a listener which only needs to handle a subset
+ * of the available methods.
+ */
+@SuppressWarnings("CheckReturnValue")
+public class SysYBaseListener implements SysYListener {
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void enterCompUnit(SysYParser.CompUnitContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void exitCompUnit(SysYParser.CompUnitContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void enterDecl(SysYParser.DeclContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void exitDecl(SysYParser.DeclContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void enterBtype(SysYParser.BtypeContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void exitBtype(SysYParser.BtypeContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void enterVarDef(SysYParser.VarDefContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void exitVarDef(SysYParser.VarDefContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void enterInitValue(SysYParser.InitValueContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void exitInitValue(SysYParser.InitValueContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void enterFuncDef(SysYParser.FuncDefContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void exitFuncDef(SysYParser.FuncDefContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void enterFuncType(SysYParser.FuncTypeContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void exitFuncType(SysYParser.FuncTypeContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void enterBlockStmt(SysYParser.BlockStmtContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void exitBlockStmt(SysYParser.BlockStmtContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void enterBlockItem(SysYParser.BlockItemContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void exitBlockItem(SysYParser.BlockItemContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void enterStmt(SysYParser.StmtContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void exitStmt(SysYParser.StmtContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void enterReturnStmt(SysYParser.ReturnStmtContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void exitReturnStmt(SysYParser.ReturnStmtContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void enterVarExp(SysYParser.VarExpContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void exitVarExp(SysYParser.VarExpContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void enterNumberExp(SysYParser.NumberExpContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void exitNumberExp(SysYParser.NumberExpContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void enterParenExp(SysYParser.ParenExpContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void exitParenExp(SysYParser.ParenExpContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void enterAdditiveExp(SysYParser.AdditiveExpContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void exitAdditiveExp(SysYParser.AdditiveExpContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void enterVar(SysYParser.VarContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void exitVar(SysYParser.VarContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void enterLValue(SysYParser.LValueContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void exitLValue(SysYParser.LValueContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void enterNumber(SysYParser.NumberContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void exitNumber(SysYParser.NumberContext ctx) { }
+
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void enterEveryRule(ParserRuleContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void exitEveryRule(ParserRuleContext ctx) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void visitTerminal(TerminalNode node) { }
+ /**
+ * {@inheritDoc}
+ *
+ * The default implementation does nothing.
+ */
+ @Override public void visitErrorNode(ErrorNode node) { }
+}
\ No newline at end of file
diff --git a/src/antlr4/.antlr/SysYLexer.java b/src/antlr4/.antlr/SysYLexer.java
new file mode 100644
index 0000000..804dcc1
--- /dev/null
+++ b/src/antlr4/.antlr/SysYLexer.java
@@ -0,0 +1,358 @@
+// Generated from //wsl.localhost/Ubuntu/home/hw/nudt-compiler-cpp/src/antlr4/SysY.g4 by ANTLR 4.13.1
+import org.antlr.v4.runtime.Lexer;
+import org.antlr.v4.runtime.CharStream;
+import org.antlr.v4.runtime.Token;
+import org.antlr.v4.runtime.TokenStream;
+import org.antlr.v4.runtime.*;
+import org.antlr.v4.runtime.atn.*;
+import org.antlr.v4.runtime.dfa.DFA;
+import org.antlr.v4.runtime.misc.*;
+
+@SuppressWarnings({"all", "warnings", "unchecked", "unused", "cast", "CheckReturnValue", "this-escape"})
+public class SysYLexer extends Lexer {
+ static { RuntimeMetaData.checkVersion("4.13.1", RuntimeMetaData.VERSION); }
+
+ protected static final DFA[] _decisionToDFA;
+ protected static final PredictionContextCache _sharedContextCache =
+ new PredictionContextCache();
+ public static final int
+ CONST=1, INT=2, FLOAT=3, VOID=4, IF=5, ELSE=6, WHILE=7, BREAK=8, CONTINUE=9,
+ RETURN=10, ADD=11, SUB=12, MUL=13, DIV=14, MOD=15, ASSIGN=16, EQ=17, NE=18,
+ LT=19, LE=20, GT=21, GE=22, NOT=23, AND=24, OR=25, LPAREN=26, RPAREN=27,
+ LBRACK=28, RBRACK=29, LBRACE=30, RBRACE=31, COMMA=32, SEMI=33, IDENT=34,
+ ILITERAL=35, FLITERAL=36, WS=37, LINE_COMMENT=38, BLOCK_COMMENT=39;
+ public static String[] channelNames = {
+ "DEFAULT_TOKEN_CHANNEL", "HIDDEN"
+ };
+
+ public static String[] modeNames = {
+ "DEFAULT_MODE"
+ };
+
+ private static String[] makeRuleNames() {
+ return new String[] {
+ "CONST", "INT", "FLOAT", "VOID", "IF", "ELSE", "WHILE", "BREAK", "CONTINUE",
+ "RETURN", "ADD", "SUB", "MUL", "DIV", "MOD", "ASSIGN", "EQ", "NE", "LT",
+ "LE", "GT", "GE", "NOT", "AND", "OR", "LPAREN", "RPAREN", "LBRACK", "RBRACK",
+ "LBRACE", "RBRACE", "COMMA", "SEMI", "IDENT", "DIGIT", "NON_ZERO_DIGIT",
+ "OCT_DIGIT", "HEX_DIGIT", "DEC_INTEGER", "OCT_INTEGER", "HEX_INTEGER",
+ "DEC_FRACTION", "DEC_EXPONENT", "DEC_FLOAT", "HEX_FRACTION", "BIN_EXPONENT",
+ "HEX_FLOAT", "ILITERAL", "FLITERAL", "WS", "LINE_COMMENT", "BLOCK_COMMENT"
+ };
+ }
+ public static final String[] ruleNames = makeRuleNames();
+
+ private static String[] makeLiteralNames() {
+ return new String[] {
+ null, "'const'", "'int'", "'float'", "'void'", "'if'", "'else'", "'while'",
+ "'break'", "'continue'", "'return'", "'+'", "'-'", "'*'", "'/'", "'%'",
+ "'='", "'=='", "'!='", "'<'", "'<='", "'>'", "'>='", "'!'", "'&&'", "'||'",
+ "'('", "')'", "'['", "']'", "'{'", "'}'", "','", "';'"
+ };
+ }
+ private static final String[] _LITERAL_NAMES = makeLiteralNames();
+ private static String[] makeSymbolicNames() {
+ return new String[] {
+ null, "CONST", "INT", "FLOAT", "VOID", "IF", "ELSE", "WHILE", "BREAK",
+ "CONTINUE", "RETURN", "ADD", "SUB", "MUL", "DIV", "MOD", "ASSIGN", "EQ",
+ "NE", "LT", "LE", "GT", "GE", "NOT", "AND", "OR", "LPAREN", "RPAREN",
+ "LBRACK", "RBRACK", "LBRACE", "RBRACE", "COMMA", "SEMI", "IDENT", "ILITERAL",
+ "FLITERAL", "WS", "LINE_COMMENT", "BLOCK_COMMENT"
+ };
+ }
+ private static final String[] _SYMBOLIC_NAMES = makeSymbolicNames();
+ public static final Vocabulary VOCABULARY = new VocabularyImpl(_LITERAL_NAMES, _SYMBOLIC_NAMES);
+
+ /**
+ * @deprecated Use {@link #VOCABULARY} instead.
+ */
+ @Deprecated
+ public static final String[] tokenNames;
+ static {
+ tokenNames = new String[_SYMBOLIC_NAMES.length];
+ for (int i = 0; i < tokenNames.length; i++) {
+ tokenNames[i] = VOCABULARY.getLiteralName(i);
+ if (tokenNames[i] == null) {
+ tokenNames[i] = VOCABULARY.getSymbolicName(i);
+ }
+
+ if (tokenNames[i] == null) {
+ tokenNames[i] = "";
+ }
+ }
+ }
+
+ @Override
+ @Deprecated
+ public String[] getTokenNames() {
+ return tokenNames;
+ }
+
+ @Override
+
+ public Vocabulary getVocabulary() {
+ return VOCABULARY;
+ }
+
+
+ public SysYLexer(CharStream input) {
+ super(input);
+ _interp = new LexerATNSimulator(this,_ATN,_decisionToDFA,_sharedContextCache);
+ }
+
+ @Override
+ public String getGrammarFileName() { return "SysY.g4"; }
+
+ @Override
+ public String[] getRuleNames() { return ruleNames; }
+
+ @Override
+ public String getSerializedATN() { return _serializedATN; }
+
+ @Override
+ public String[] getChannelNames() { return channelNames; }
+
+ @Override
+ public String[] getModeNames() { return modeNames; }
+
+ @Override
+ public ATN getATN() { return _ATN; }
+
+ public static final String _serializedATN =
+ "\u0004\u0000\'\u0171\u0006\uffff\uffff\u0002\u0000\u0007\u0000\u0002\u0001"+
+ "\u0007\u0001\u0002\u0002\u0007\u0002\u0002\u0003\u0007\u0003\u0002\u0004"+
+ "\u0007\u0004\u0002\u0005\u0007\u0005\u0002\u0006\u0007\u0006\u0002\u0007"+
+ "\u0007\u0007\u0002\b\u0007\b\u0002\t\u0007\t\u0002\n\u0007\n\u0002\u000b"+
+ "\u0007\u000b\u0002\f\u0007\f\u0002\r\u0007\r\u0002\u000e\u0007\u000e\u0002"+
+ "\u000f\u0007\u000f\u0002\u0010\u0007\u0010\u0002\u0011\u0007\u0011\u0002"+
+ "\u0012\u0007\u0012\u0002\u0013\u0007\u0013\u0002\u0014\u0007\u0014\u0002"+
+ "\u0015\u0007\u0015\u0002\u0016\u0007\u0016\u0002\u0017\u0007\u0017\u0002"+
+ "\u0018\u0007\u0018\u0002\u0019\u0007\u0019\u0002\u001a\u0007\u001a\u0002"+
+ "\u001b\u0007\u001b\u0002\u001c\u0007\u001c\u0002\u001d\u0007\u001d\u0002"+
+ "\u001e\u0007\u001e\u0002\u001f\u0007\u001f\u0002 \u0007 \u0002!\u0007"+
+ "!\u0002\"\u0007\"\u0002#\u0007#\u0002$\u0007$\u0002%\u0007%\u0002&\u0007"+
+ "&\u0002\'\u0007\'\u0002(\u0007(\u0002)\u0007)\u0002*\u0007*\u0002+\u0007"+
+ "+\u0002,\u0007,\u0002-\u0007-\u0002.\u0007.\u0002/\u0007/\u00020\u0007"+
+ "0\u00021\u00071\u00022\u00072\u00023\u00073\u0001\u0000\u0001\u0000\u0001"+
+ "\u0000\u0001\u0000\u0001\u0000\u0001\u0000\u0001\u0001\u0001\u0001\u0001"+
+ "\u0001\u0001\u0001\u0001\u0002\u0001\u0002\u0001\u0002\u0001\u0002\u0001"+
+ "\u0002\u0001\u0002\u0001\u0003\u0001\u0003\u0001\u0003\u0001\u0003\u0001"+
+ "\u0003\u0001\u0004\u0001\u0004\u0001\u0004\u0001\u0005\u0001\u0005\u0001"+
+ "\u0005\u0001\u0005\u0001\u0005\u0001\u0006\u0001\u0006\u0001\u0006\u0001"+
+ "\u0006\u0001\u0006\u0001\u0006\u0001\u0007\u0001\u0007\u0001\u0007\u0001"+
+ "\u0007\u0001\u0007\u0001\u0007\u0001\b\u0001\b\u0001\b\u0001\b\u0001\b"+
+ "\u0001\b\u0001\b\u0001\b\u0001\b\u0001\t\u0001\t\u0001\t\u0001\t\u0001"+
+ "\t\u0001\t\u0001\t\u0001\n\u0001\n\u0001\u000b\u0001\u000b\u0001\f\u0001"+
+ "\f\u0001\r\u0001\r\u0001\u000e\u0001\u000e\u0001\u000f\u0001\u000f\u0001"+
+ "\u0010\u0001\u0010\u0001\u0010\u0001\u0011\u0001\u0011\u0001\u0011\u0001"+
+ "\u0012\u0001\u0012\u0001\u0013\u0001\u0013\u0001\u0013\u0001\u0014\u0001"+
+ "\u0014\u0001\u0015\u0001\u0015\u0001\u0015\u0001\u0016\u0001\u0016\u0001"+
+ "\u0017\u0001\u0017\u0001\u0017\u0001\u0018\u0001\u0018\u0001\u0018\u0001"+
+ "\u0019\u0001\u0019\u0001\u001a\u0001\u001a\u0001\u001b\u0001\u001b\u0001"+
+ "\u001c\u0001\u001c\u0001\u001d\u0001\u001d\u0001\u001e\u0001\u001e\u0001"+
+ "\u001f\u0001\u001f\u0001 \u0001 \u0001!\u0001!\u0005!\u00d9\b!\n!\f!\u00dc"+
+ "\t!\u0001\"\u0001\"\u0001#\u0001#\u0001$\u0001$\u0001%\u0001%\u0001&\u0001"+
+ "&\u0005&\u00e8\b&\n&\f&\u00eb\t&\u0001\'\u0001\'\u0005\'\u00ef\b\'\n\'"+
+ "\f\'\u00f2\t\'\u0001(\u0001(\u0001(\u0004(\u00f7\b(\u000b(\f(\u00f8\u0001"+
+ ")\u0004)\u00fc\b)\u000b)\f)\u00fd\u0001)\u0001)\u0005)\u0102\b)\n)\f)"+
+ "\u0105\t)\u0001)\u0001)\u0004)\u0109\b)\u000b)\f)\u010a\u0003)\u010d\b"+
+ ")\u0001*\u0001*\u0003*\u0111\b*\u0001*\u0004*\u0114\b*\u000b*\f*\u0115"+
+ "\u0001+\u0001+\u0003+\u011a\b+\u0001+\u0001+\u0001+\u0003+\u011f\b+\u0001"+
+ ",\u0005,\u0122\b,\n,\f,\u0125\t,\u0001,\u0001,\u0004,\u0129\b,\u000b,"+
+ "\f,\u012a\u0001,\u0004,\u012e\b,\u000b,\f,\u012f\u0001,\u0001,\u0003,"+
+ "\u0134\b,\u0001-\u0001-\u0003-\u0138\b-\u0001-\u0004-\u013b\b-\u000b-"+
+ "\f-\u013c\u0001.\u0001.\u0001.\u0001.\u0001.\u0001.\u0001.\u0001.\u0003"+
+ ".\u0147\b.\u0001/\u0001/\u0001/\u0003/\u014c\b/\u00010\u00010\u00030\u0150"+
+ "\b0\u00011\u00041\u0153\b1\u000b1\f1\u0154\u00011\u00011\u00012\u0001"+
+ "2\u00012\u00012\u00052\u015d\b2\n2\f2\u0160\t2\u00012\u00012\u00013\u0001"+
+ "3\u00013\u00013\u00053\u0168\b3\n3\f3\u016b\t3\u00013\u00013\u00013\u0001"+
+ "3\u00013\u0001\u0169\u00004\u0001\u0001\u0003\u0002\u0005\u0003\u0007"+
+ "\u0004\t\u0005\u000b\u0006\r\u0007\u000f\b\u0011\t\u0013\n\u0015\u000b"+
+ "\u0017\f\u0019\r\u001b\u000e\u001d\u000f\u001f\u0010!\u0011#\u0012%\u0013"+
+ "\'\u0014)\u0015+\u0016-\u0017/\u00181\u00193\u001a5\u001b7\u001c9\u001d"+
+ ";\u001e=\u001f? A!C\"E\u0000G\u0000I\u0000K\u0000M\u0000O\u0000Q\u0000"+
+ "S\u0000U\u0000W\u0000Y\u0000[\u0000]\u0000_#a$c%e&g\'\u0001\u0000\f\u0003"+
+ "\u0000AZ__az\u0004\u000009AZ__az\u0001\u000009\u0001\u000019\u0001\u0000"+
+ "07\u0003\u000009AFaf\u0002\u0000XXxx\u0002\u0000EEee\u0002\u0000++--\u0002"+
+ "\u0000PPpp\u0003\u0000\t\n\r\r \u0002\u0000\n\n\r\r\u017c\u0000\u0001"+
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+ "]\u0146\u0001\u0000\u0000\u0000_\u014b\u0001\u0000\u0000\u0000a\u014f"+
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+ "\u0000n\u0002\u0001\u0000\u0000\u0000op\u0005i\u0000\u0000pq\u0005n\u0000"+
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+ "i\u0000\u0000\u0097\u0098\u0005n\u0000\u0000\u0098\u0099\u0005u\u0000"+
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+ "\u00a7\u0005*\u0000\u0000\u00a7\u001a\u0001\u0000\u0000\u0000\u00a8\u00a9"+
+ "\u0005/\u0000\u0000\u00a9\u001c\u0001\u0000\u0000\u0000\u00aa\u00ab\u0005"+
+ "%\u0000\u0000\u00ab\u001e\u0001\u0000\u0000\u0000\u00ac\u00ad\u0005=\u0000"+
+ "\u0000\u00ad \u0001\u0000\u0000\u0000\u00ae\u00af\u0005=\u0000\u0000\u00af"+
+ "\u00b0\u0005=\u0000\u0000\u00b0\"\u0001\u0000\u0000\u0000\u00b1\u00b2"+
+ "\u0005!\u0000\u0000\u00b2\u00b3\u0005=\u0000\u0000\u00b3$\u0001\u0000"+
+ "\u0000\u0000\u00b4\u00b5\u0005<\u0000\u0000\u00b5&\u0001\u0000\u0000\u0000"+
+ "\u00b6\u00b7\u0005<\u0000\u0000\u00b7\u00b8\u0005=\u0000\u0000\u00b8("+
+ "\u0001\u0000\u0000\u0000\u00b9\u00ba\u0005>\u0000\u0000\u00ba*\u0001\u0000"+
+ "\u0000\u0000\u00bb\u00bc\u0005>\u0000\u0000\u00bc\u00bd\u0005=\u0000\u0000"+
+ "\u00bd,\u0001\u0000\u0000\u0000\u00be\u00bf\u0005!\u0000\u0000\u00bf."+
+ "\u0001\u0000\u0000\u0000\u00c0\u00c1\u0005&\u0000\u0000\u00c1\u00c2\u0005"+
+ "&\u0000\u0000\u00c20\u0001\u0000\u0000\u0000\u00c3\u00c4\u0005|\u0000"+
+ "\u0000\u00c4\u00c5\u0005|\u0000\u0000\u00c52\u0001\u0000\u0000\u0000\u00c6"+
+ "\u00c7\u0005(\u0000\u0000\u00c74\u0001\u0000\u0000\u0000\u00c8\u00c9\u0005"+
+ ")\u0000\u0000\u00c96\u0001\u0000\u0000\u0000\u00ca\u00cb\u0005[\u0000"+
+ "\u0000\u00cb8\u0001\u0000\u0000\u0000\u00cc\u00cd\u0005]\u0000\u0000\u00cd"+
+ ":\u0001\u0000\u0000\u0000\u00ce\u00cf\u0005{\u0000\u0000\u00cf<\u0001"+
+ "\u0000\u0000\u0000\u00d0\u00d1\u0005}\u0000\u0000\u00d1>\u0001\u0000\u0000"+
+ "\u0000\u00d2\u00d3\u0005,\u0000\u0000\u00d3@\u0001\u0000\u0000\u0000\u00d4"+
+ "\u00d5\u0005;\u0000\u0000\u00d5B\u0001\u0000\u0000\u0000\u00d6\u00da\u0007"+
+ "\u0000\u0000\u0000\u00d7\u00d9\u0007\u0001\u0000\u0000\u00d8\u00d7\u0001"+
+ "\u0000\u0000\u0000\u00d9\u00dc\u0001\u0000\u0000\u0000\u00da\u00d8\u0001"+
+ "\u0000\u0000\u0000\u00da\u00db\u0001\u0000\u0000\u0000\u00dbD\u0001\u0000"+
+ "\u0000\u0000\u00dc\u00da\u0001\u0000\u0000\u0000\u00dd\u00de\u0007\u0002"+
+ "\u0000\u0000\u00deF\u0001\u0000\u0000\u0000\u00df\u00e0\u0007\u0003\u0000"+
+ "\u0000\u00e0H\u0001\u0000\u0000\u0000\u00e1\u00e2\u0007\u0004\u0000\u0000"+
+ "\u00e2J\u0001\u0000\u0000\u0000\u00e3\u00e4\u0007\u0005\u0000\u0000\u00e4"+
+ "L\u0001\u0000\u0000\u0000\u00e5\u00e9\u0003G#\u0000\u00e6\u00e8\u0003"+
+ "E\"\u0000\u00e7\u00e6\u0001\u0000\u0000\u0000\u00e8\u00eb\u0001\u0000"+
+ "\u0000\u0000\u00e9\u00e7\u0001\u0000\u0000\u0000\u00e9\u00ea\u0001\u0000"+
+ "\u0000\u0000\u00eaN\u0001\u0000\u0000\u0000\u00eb\u00e9\u0001\u0000\u0000"+
+ "\u0000\u00ec\u00f0\u00050\u0000\u0000\u00ed\u00ef\u0003I$\u0000\u00ee"+
+ "\u00ed\u0001\u0000\u0000\u0000\u00ef\u00f2\u0001\u0000\u0000\u0000\u00f0"+
+ "\u00ee\u0001\u0000\u0000\u0000\u00f0\u00f1\u0001\u0000\u0000\u0000\u00f1"+
+ "P\u0001\u0000\u0000\u0000\u00f2\u00f0\u0001\u0000\u0000\u0000\u00f3\u00f4"+
+ "\u00050\u0000\u0000\u00f4\u00f6\u0007\u0006\u0000\u0000\u00f5\u00f7\u0003"+
+ "K%\u0000\u00f6\u00f5\u0001\u0000\u0000\u0000\u00f7\u00f8\u0001\u0000\u0000"+
+ "\u0000\u00f8\u00f6\u0001\u0000\u0000\u0000\u00f8\u00f9\u0001\u0000\u0000"+
+ "\u0000\u00f9R\u0001\u0000\u0000\u0000\u00fa\u00fc\u0003E\"\u0000\u00fb"+
+ "\u00fa\u0001\u0000\u0000\u0000\u00fc\u00fd\u0001\u0000\u0000\u0000\u00fd"+
+ "\u00fb\u0001\u0000\u0000\u0000\u00fd\u00fe\u0001\u0000\u0000\u0000\u00fe"+
+ "\u00ff\u0001\u0000\u0000\u0000\u00ff\u0103\u0005.\u0000\u0000\u0100\u0102"+
+ "\u0003E\"\u0000\u0101\u0100\u0001\u0000\u0000\u0000\u0102\u0105\u0001"+
+ "\u0000\u0000\u0000\u0103\u0101\u0001\u0000\u0000\u0000\u0103\u0104\u0001"+
+ "\u0000\u0000\u0000\u0104\u010d\u0001\u0000\u0000\u0000\u0105\u0103\u0001"+
+ "\u0000\u0000\u0000\u0106\u0108\u0005.\u0000\u0000\u0107\u0109\u0003E\""+
+ "\u0000\u0108\u0107\u0001\u0000\u0000\u0000\u0109\u010a\u0001\u0000\u0000"+
+ "\u0000\u010a\u0108\u0001\u0000\u0000\u0000\u010a\u010b\u0001\u0000\u0000"+
+ "\u0000\u010b\u010d\u0001\u0000\u0000\u0000\u010c\u00fb\u0001\u0000\u0000"+
+ "\u0000\u010c\u0106\u0001\u0000\u0000\u0000\u010dT\u0001\u0000\u0000\u0000"+
+ "\u010e\u0110\u0007\u0007\u0000\u0000\u010f\u0111\u0007\b\u0000\u0000\u0110"+
+ "\u010f\u0001\u0000\u0000\u0000\u0110\u0111\u0001\u0000\u0000\u0000\u0111"+
+ "\u0113\u0001\u0000\u0000\u0000\u0112\u0114\u0003E\"\u0000\u0113\u0112"+
+ "\u0001\u0000\u0000\u0000\u0114\u0115\u0001\u0000\u0000\u0000\u0115\u0113"+
+ "\u0001\u0000\u0000\u0000\u0115\u0116\u0001\u0000\u0000\u0000\u0116V\u0001"+
+ "\u0000\u0000\u0000\u0117\u0119\u0003S)\u0000\u0118\u011a\u0003U*\u0000"+
+ "\u0119\u0118\u0001\u0000\u0000\u0000\u0119\u011a\u0001\u0000\u0000\u0000"+
+ "\u011a\u011f\u0001\u0000\u0000\u0000\u011b\u011c\u0003M&\u0000\u011c\u011d"+
+ "\u0003U*\u0000\u011d\u011f\u0001\u0000\u0000\u0000\u011e\u0117\u0001\u0000"+
+ "\u0000\u0000\u011e\u011b\u0001\u0000\u0000\u0000\u011fX\u0001\u0000\u0000"+
+ "\u0000\u0120\u0122\u0003K%\u0000\u0121\u0120\u0001\u0000\u0000\u0000\u0122"+
+ "\u0125\u0001\u0000\u0000\u0000\u0123\u0121\u0001\u0000\u0000\u0000\u0123"+
+ "\u0124\u0001\u0000\u0000\u0000\u0124\u0126\u0001\u0000\u0000\u0000\u0125"+
+ "\u0123\u0001\u0000\u0000\u0000\u0126\u0128\u0005.\u0000\u0000\u0127\u0129"+
+ "\u0003K%\u0000\u0128\u0127\u0001\u0000\u0000\u0000\u0129\u012a\u0001\u0000"+
+ "\u0000\u0000\u012a\u0128\u0001\u0000\u0000\u0000\u012a\u012b\u0001\u0000"+
+ "\u0000\u0000\u012b\u0134\u0001\u0000\u0000\u0000\u012c\u012e\u0003K%\u0000"+
+ "\u012d\u012c\u0001\u0000\u0000\u0000\u012e\u012f\u0001\u0000\u0000\u0000"+
+ "\u012f\u012d\u0001\u0000\u0000\u0000\u012f\u0130\u0001\u0000\u0000\u0000"+
+ "\u0130\u0131\u0001\u0000\u0000\u0000\u0131\u0132\u0005.\u0000\u0000\u0132"+
+ "\u0134\u0001\u0000\u0000\u0000\u0133\u0123\u0001\u0000\u0000\u0000\u0133"+
+ "\u012d\u0001\u0000\u0000\u0000\u0134Z\u0001\u0000\u0000\u0000\u0135\u0137"+
+ "\u0007\t\u0000\u0000\u0136\u0138\u0007\b\u0000\u0000\u0137\u0136\u0001"+
+ "\u0000\u0000\u0000\u0137\u0138\u0001\u0000\u0000\u0000\u0138\u013a\u0001"+
+ "\u0000\u0000\u0000\u0139\u013b\u0003E\"\u0000\u013a\u0139\u0001\u0000"+
+ "\u0000\u0000\u013b\u013c\u0001\u0000\u0000\u0000\u013c\u013a\u0001\u0000"+
+ "\u0000\u0000\u013c\u013d\u0001\u0000\u0000\u0000\u013d\\\u0001\u0000\u0000"+
+ "\u0000\u013e\u013f\u00050\u0000\u0000\u013f\u0140\u0007\u0006\u0000\u0000"+
+ "\u0140\u0141\u0003Y,\u0000\u0141\u0142\u0003[-\u0000\u0142\u0147\u0001"+
+ "\u0000\u0000\u0000\u0143\u0144\u0003Q(\u0000\u0144\u0145\u0003[-\u0000"+
+ "\u0145\u0147\u0001\u0000\u0000\u0000\u0146\u013e\u0001\u0000\u0000\u0000"+
+ "\u0146\u0143\u0001\u0000\u0000\u0000\u0147^\u0001\u0000\u0000\u0000\u0148"+
+ "\u014c\u0003M&\u0000\u0149\u014c\u0003O\'\u0000\u014a\u014c\u0003Q(\u0000"+
+ "\u014b\u0148\u0001\u0000\u0000\u0000\u014b\u0149\u0001\u0000\u0000\u0000"+
+ "\u014b\u014a\u0001\u0000\u0000\u0000\u014c`\u0001\u0000\u0000\u0000\u014d"+
+ "\u0150\u0003W+\u0000\u014e\u0150\u0003].\u0000\u014f\u014d\u0001\u0000"+
+ "\u0000\u0000\u014f\u014e\u0001\u0000\u0000\u0000\u0150b\u0001\u0000\u0000"+
+ "\u0000\u0151\u0153\u0007\n\u0000\u0000\u0152\u0151\u0001\u0000\u0000\u0000"+
+ "\u0153\u0154\u0001\u0000\u0000\u0000\u0154\u0152\u0001\u0000\u0000\u0000"+
+ "\u0154\u0155\u0001\u0000\u0000\u0000\u0155\u0156\u0001\u0000\u0000\u0000"+
+ "\u0156\u0157\u00061\u0000\u0000\u0157d\u0001\u0000\u0000\u0000\u0158\u0159"+
+ "\u0005/\u0000\u0000\u0159\u015a\u0005/\u0000\u0000\u015a\u015e\u0001\u0000"+
+ "\u0000\u0000\u015b\u015d\b\u000b\u0000\u0000\u015c\u015b\u0001\u0000\u0000"+
+ "\u0000\u015d\u0160\u0001\u0000\u0000\u0000\u015e\u015c\u0001\u0000\u0000"+
+ "\u0000\u015e\u015f\u0001\u0000\u0000\u0000\u015f\u0161\u0001\u0000\u0000"+
+ "\u0000\u0160\u015e\u0001\u0000\u0000\u0000\u0161\u0162\u00062\u0000\u0000"+
+ "\u0162f\u0001\u0000\u0000\u0000\u0163\u0164\u0005/\u0000\u0000\u0164\u0165"+
+ "\u0005*\u0000\u0000\u0165\u0169\u0001\u0000\u0000\u0000\u0166\u0168\t"+
+ "\u0000\u0000\u0000\u0167\u0166\u0001\u0000\u0000\u0000\u0168\u016b\u0001"+
+ "\u0000\u0000\u0000\u0169\u016a\u0001\u0000\u0000\u0000\u0169\u0167\u0001"+
+ "\u0000\u0000\u0000\u016a\u016c\u0001\u0000\u0000\u0000\u016b\u0169\u0001"+
+ "\u0000\u0000\u0000\u016c\u016d\u0005*\u0000\u0000\u016d\u016e\u0005/\u0000"+
+ "\u0000\u016e\u016f\u0001\u0000\u0000\u0000\u016f\u0170\u00063\u0000\u0000"+
+ "\u0170h\u0001\u0000\u0000\u0000\u0019\u0000\u00da\u00e9\u00f0\u00f8\u00fd"+
+ "\u0103\u010a\u010c\u0110\u0115\u0119\u011e\u0123\u012a\u012f\u0133\u0137"+
+ "\u013c\u0146\u014b\u014f\u0154\u015e\u0169\u0001\u0006\u0000\u0000";
+ public static final ATN _ATN =
+ new ATNDeserializer().deserialize(_serializedATN.toCharArray());
+ static {
+ _decisionToDFA = new DFA[_ATN.getNumberOfDecisions()];
+ for (int i = 0; i < _ATN.getNumberOfDecisions(); i++) {
+ _decisionToDFA[i] = new DFA(_ATN.getDecisionState(i), i);
+ }
+ }
+}
\ No newline at end of file
diff --git a/src/antlr4/.antlr/SysYListener.java b/src/antlr4/.antlr/SysYListener.java
new file mode 100644
index 0000000..1a424a3
--- /dev/null
+++ b/src/antlr4/.antlr/SysYListener.java
@@ -0,0 +1,197 @@
+// Generated from //wsl.localhost/Ubuntu/home/hw/nudt-compiler-cpp/src/antlr4/SysY.g4 by ANTLR 4.13.1
+import org.antlr.v4.runtime.tree.ParseTreeListener;
+
+/**
+ * This interface defines a complete listener for a parse tree produced by
+ * {@link SysYParser}.
+ */
+public interface SysYListener extends ParseTreeListener {
+ /**
+ * Enter a parse tree produced by {@link SysYParser#compUnit}.
+ * @param ctx the parse tree
+ */
+ void enterCompUnit(SysYParser.CompUnitContext ctx);
+ /**
+ * Exit a parse tree produced by {@link SysYParser#compUnit}.
+ * @param ctx the parse tree
+ */
+ void exitCompUnit(SysYParser.CompUnitContext ctx);
+ /**
+ * Enter a parse tree produced by {@link SysYParser#decl}.
+ * @param ctx the parse tree
+ */
+ void enterDecl(SysYParser.DeclContext ctx);
+ /**
+ * Exit a parse tree produced by {@link SysYParser#decl}.
+ * @param ctx the parse tree
+ */
+ void exitDecl(SysYParser.DeclContext ctx);
+ /**
+ * Enter a parse tree produced by {@link SysYParser#btype}.
+ * @param ctx the parse tree
+ */
+ void enterBtype(SysYParser.BtypeContext ctx);
+ /**
+ * Exit a parse tree produced by {@link SysYParser#btype}.
+ * @param ctx the parse tree
+ */
+ void exitBtype(SysYParser.BtypeContext ctx);
+ /**
+ * Enter a parse tree produced by {@link SysYParser#varDef}.
+ * @param ctx the parse tree
+ */
+ void enterVarDef(SysYParser.VarDefContext ctx);
+ /**
+ * Exit a parse tree produced by {@link SysYParser#varDef}.
+ * @param ctx the parse tree
+ */
+ void exitVarDef(SysYParser.VarDefContext ctx);
+ /**
+ * Enter a parse tree produced by {@link SysYParser#initValue}.
+ * @param ctx the parse tree
+ */
+ void enterInitValue(SysYParser.InitValueContext ctx);
+ /**
+ * Exit a parse tree produced by {@link SysYParser#initValue}.
+ * @param ctx the parse tree
+ */
+ void exitInitValue(SysYParser.InitValueContext ctx);
+ /**
+ * Enter a parse tree produced by {@link SysYParser#funcDef}.
+ * @param ctx the parse tree
+ */
+ void enterFuncDef(SysYParser.FuncDefContext ctx);
+ /**
+ * Exit a parse tree produced by {@link SysYParser#funcDef}.
+ * @param ctx the parse tree
+ */
+ void exitFuncDef(SysYParser.FuncDefContext ctx);
+ /**
+ * Enter a parse tree produced by {@link SysYParser#funcType}.
+ * @param ctx the parse tree
+ */
+ void enterFuncType(SysYParser.FuncTypeContext ctx);
+ /**
+ * Exit a parse tree produced by {@link SysYParser#funcType}.
+ * @param ctx the parse tree
+ */
+ void exitFuncType(SysYParser.FuncTypeContext ctx);
+ /**
+ * Enter a parse tree produced by {@link SysYParser#blockStmt}.
+ * @param ctx the parse tree
+ */
+ void enterBlockStmt(SysYParser.BlockStmtContext ctx);
+ /**
+ * Exit a parse tree produced by {@link SysYParser#blockStmt}.
+ * @param ctx the parse tree
+ */
+ void exitBlockStmt(SysYParser.BlockStmtContext ctx);
+ /**
+ * Enter a parse tree produced by {@link SysYParser#blockItem}.
+ * @param ctx the parse tree
+ */
+ void enterBlockItem(SysYParser.BlockItemContext ctx);
+ /**
+ * Exit a parse tree produced by {@link SysYParser#blockItem}.
+ * @param ctx the parse tree
+ */
+ void exitBlockItem(SysYParser.BlockItemContext ctx);
+ /**
+ * Enter a parse tree produced by {@link SysYParser#stmt}.
+ * @param ctx the parse tree
+ */
+ void enterStmt(SysYParser.StmtContext ctx);
+ /**
+ * Exit a parse tree produced by {@link SysYParser#stmt}.
+ * @param ctx the parse tree
+ */
+ void exitStmt(SysYParser.StmtContext ctx);
+ /**
+ * Enter a parse tree produced by {@link SysYParser#returnStmt}.
+ * @param ctx the parse tree
+ */
+ void enterReturnStmt(SysYParser.ReturnStmtContext ctx);
+ /**
+ * Exit a parse tree produced by {@link SysYParser#returnStmt}.
+ * @param ctx the parse tree
+ */
+ void exitReturnStmt(SysYParser.ReturnStmtContext ctx);
+ /**
+ * Enter a parse tree produced by the {@code varExp}
+ * labeled alternative in {@link SysYParser#exp}.
+ * @param ctx the parse tree
+ */
+ void enterVarExp(SysYParser.VarExpContext ctx);
+ /**
+ * Exit a parse tree produced by the {@code varExp}
+ * labeled alternative in {@link SysYParser#exp}.
+ * @param ctx the parse tree
+ */
+ void exitVarExp(SysYParser.VarExpContext ctx);
+ /**
+ * Enter a parse tree produced by the {@code numberExp}
+ * labeled alternative in {@link SysYParser#exp}.
+ * @param ctx the parse tree
+ */
+ void enterNumberExp(SysYParser.NumberExpContext ctx);
+ /**
+ * Exit a parse tree produced by the {@code numberExp}
+ * labeled alternative in {@link SysYParser#exp}.
+ * @param ctx the parse tree
+ */
+ void exitNumberExp(SysYParser.NumberExpContext ctx);
+ /**
+ * Enter a parse tree produced by the {@code parenExp}
+ * labeled alternative in {@link SysYParser#exp}.
+ * @param ctx the parse tree
+ */
+ void enterParenExp(SysYParser.ParenExpContext ctx);
+ /**
+ * Exit a parse tree produced by the {@code parenExp}
+ * labeled alternative in {@link SysYParser#exp}.
+ * @param ctx the parse tree
+ */
+ void exitParenExp(SysYParser.ParenExpContext ctx);
+ /**
+ * Enter a parse tree produced by the {@code additiveExp}
+ * labeled alternative in {@link SysYParser#exp}.
+ * @param ctx the parse tree
+ */
+ void enterAdditiveExp(SysYParser.AdditiveExpContext ctx);
+ /**
+ * Exit a parse tree produced by the {@code additiveExp}
+ * labeled alternative in {@link SysYParser#exp}.
+ * @param ctx the parse tree
+ */
+ void exitAdditiveExp(SysYParser.AdditiveExpContext ctx);
+ /**
+ * Enter a parse tree produced by {@link SysYParser#var}.
+ * @param ctx the parse tree
+ */
+ void enterVar(SysYParser.VarContext ctx);
+ /**
+ * Exit a parse tree produced by {@link SysYParser#var}.
+ * @param ctx the parse tree
+ */
+ void exitVar(SysYParser.VarContext ctx);
+ /**
+ * Enter a parse tree produced by {@link SysYParser#lValue}.
+ * @param ctx the parse tree
+ */
+ void enterLValue(SysYParser.LValueContext ctx);
+ /**
+ * Exit a parse tree produced by {@link SysYParser#lValue}.
+ * @param ctx the parse tree
+ */
+ void exitLValue(SysYParser.LValueContext ctx);
+ /**
+ * Enter a parse tree produced by {@link SysYParser#number}.
+ * @param ctx the parse tree
+ */
+ void enterNumber(SysYParser.NumberContext ctx);
+ /**
+ * Exit a parse tree produced by {@link SysYParser#number}.
+ * @param ctx the parse tree
+ */
+ void exitNumber(SysYParser.NumberContext ctx);
+}
\ No newline at end of file
diff --git a/src/antlr4/.antlr/SysYParser.java b/src/antlr4/.antlr/SysYParser.java
new file mode 100644
index 0000000..3072637
--- /dev/null
+++ b/src/antlr4/.antlr/SysYParser.java
@@ -0,0 +1,2707 @@
+// Generated from //wsl.localhost/Ubuntu/home/hw/nudt-compiler-cpp/src/antlr4/SysY.g4 by ANTLR 4.13.1
+import org.antlr.v4.runtime.atn.*;
+import org.antlr.v4.runtime.dfa.DFA;
+import org.antlr.v4.runtime.*;
+import org.antlr.v4.runtime.misc.*;
+import org.antlr.v4.runtime.tree.*;
+import java.util.List;
+import java.util.Iterator;
+import java.util.ArrayList;
+
+@SuppressWarnings({"all", "warnings", "unchecked", "unused", "cast", "CheckReturnValue"})
+public class SysYParser extends Parser {
+ static { RuntimeMetaData.checkVersion("4.13.1", RuntimeMetaData.VERSION); }
+
+ protected static final DFA[] _decisionToDFA;
+ protected static final PredictionContextCache _sharedContextCache =
+ new PredictionContextCache();
+ public static final int
+ CONST=1, INT=2, FLOAT=3, VOID=4, IF=5, ELSE=6, WHILE=7, BREAK=8, CONTINUE=9,
+ RETURN=10, ADD=11, SUB=12, MUL=13, DIV=14, MOD=15, ASSIGN=16, EQ=17, NE=18,
+ LT=19, LE=20, GT=21, GE=22, NOT=23, AND=24, OR=25, LPAREN=26, RPAREN=27,
+ LBRACK=28, RBRACK=29, LBRACE=30, RBRACE=31, COMMA=32, SEMI=33, IDENT=34,
+ ILITERAL=35, FLITERAL=36, WS=37, LINE_COMMENT=38, BLOCK_COMMENT=39;
+ public static final int
+ RULE_compUnit = 0, RULE_decl = 1, RULE_constDecl = 2, RULE_bType = 3,
+ RULE_constDef = 4, RULE_constInitVal = 5, RULE_varDecl = 6, RULE_varDef = 7,
+ RULE_initVal = 8, RULE_funcDef = 9, RULE_funcType = 10, RULE_funcFParams = 11,
+ RULE_funcFParam = 12, RULE_block = 13, RULE_blockItem = 14, RULE_stmt = 15,
+ RULE_exp = 16, RULE_cond = 17, RULE_lVal = 18, RULE_primaryExp = 19, RULE_number = 20,
+ RULE_unaryExp = 21, RULE_unaryOp = 22, RULE_funcRParams = 23, RULE_mulExp = 24,
+ RULE_addExp = 25, RULE_relExp = 26, RULE_eqExp = 27, RULE_lAndExp = 28,
+ RULE_lOrExp = 29, RULE_constExp = 30;
+ private static String[] makeRuleNames() {
+ return new String[] {
+ "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"
+ };
+ }
+ public static final String[] ruleNames = makeRuleNames();
+
+ private static String[] makeLiteralNames() {
+ return new String[] {
+ null, "'const'", "'int'", "'float'", "'void'", "'if'", "'else'", "'while'",
+ "'break'", "'continue'", "'return'", "'+'", "'-'", "'*'", "'/'", "'%'",
+ "'='", "'=='", "'!='", "'<'", "'<='", "'>'", "'>='", "'!'", "'&&'", "'||'",
+ "'('", "')'", "'['", "']'", "'{'", "'}'", "','", "';'"
+ };
+ }
+ private static final String[] _LITERAL_NAMES = makeLiteralNames();
+ private static String[] makeSymbolicNames() {
+ return new String[] {
+ null, "CONST", "INT", "FLOAT", "VOID", "IF", "ELSE", "WHILE", "BREAK",
+ "CONTINUE", "RETURN", "ADD", "SUB", "MUL", "DIV", "MOD", "ASSIGN", "EQ",
+ "NE", "LT", "LE", "GT", "GE", "NOT", "AND", "OR", "LPAREN", "RPAREN",
+ "LBRACK", "RBRACK", "LBRACE", "RBRACE", "COMMA", "SEMI", "IDENT", "ILITERAL",
+ "FLITERAL", "WS", "LINE_COMMENT", "BLOCK_COMMENT"
+ };
+ }
+ private static final String[] _SYMBOLIC_NAMES = makeSymbolicNames();
+ public static final Vocabulary VOCABULARY = new VocabularyImpl(_LITERAL_NAMES, _SYMBOLIC_NAMES);
+
+ /**
+ * @deprecated Use {@link #VOCABULARY} instead.
+ */
+ @Deprecated
+ public static final String[] tokenNames;
+ static {
+ tokenNames = new String[_SYMBOLIC_NAMES.length];
+ for (int i = 0; i < tokenNames.length; i++) {
+ tokenNames[i] = VOCABULARY.getLiteralName(i);
+ if (tokenNames[i] == null) {
+ tokenNames[i] = VOCABULARY.getSymbolicName(i);
+ }
+
+ if (tokenNames[i] == null) {
+ tokenNames[i] = "";
+ }
+ }
+ }
+
+ @Override
+ @Deprecated
+ public String[] getTokenNames() {
+ return tokenNames;
+ }
+
+ @Override
+
+ public Vocabulary getVocabulary() {
+ return VOCABULARY;
+ }
+
+ @Override
+ public String getGrammarFileName() { return "SysY.g4"; }
+
+ @Override
+ public String[] getRuleNames() { return ruleNames; }
+
+ @Override
+ public String getSerializedATN() { return _serializedATN; }
+
+ @Override
+ public ATN getATN() { return _ATN; }
+
+ public SysYParser(TokenStream input) {
+ super(input);
+ _interp = new ParserATNSimulator(this,_ATN,_decisionToDFA,_sharedContextCache);
+ }
+
+ @SuppressWarnings("CheckReturnValue")
+ public static class CompUnitContext extends ParserRuleContext {
+ public TerminalNode EOF() { return getToken(SysYParser.EOF, 0); }
+ public List decl() {
+ return getRuleContexts(DeclContext.class);
+ }
+ public DeclContext decl(int i) {
+ return getRuleContext(DeclContext.class,i);
+ }
+ public List funcDef() {
+ return getRuleContexts(FuncDefContext.class);
+ }
+ public FuncDefContext funcDef(int i) {
+ return getRuleContext(FuncDefContext.class,i);
+ }
+ public CompUnitContext(ParserRuleContext parent, int invokingState) {
+ super(parent, invokingState);
+ }
+ @Override public int getRuleIndex() { return RULE_compUnit; }
+ }
+
+ public final CompUnitContext compUnit() throws RecognitionException {
+ CompUnitContext _localctx = new CompUnitContext(_ctx, getState());
+ enterRule(_localctx, 0, RULE_compUnit);
+ int _la;
+ 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) & ~0x3f) == 0 && ((1L << _la) & 30L) != 0) );
+ setState(68);
+ match(EOF);
+ }
+ }
+ catch (RecognitionException re) {
+ _localctx.exception = re;
+ _errHandler.reportError(this, re);
+ _errHandler.recover(this, re);
+ }
+ finally {
+ exitRule();
+ }
+ return _localctx;
+ }
+
+ @SuppressWarnings("CheckReturnValue")
+ public static class DeclContext extends ParserRuleContext {
+ public ConstDeclContext constDecl() {
+ return getRuleContext(ConstDeclContext.class,0);
+ }
+ public VarDeclContext varDecl() {
+ return getRuleContext(VarDeclContext.class,0);
+ }
+ public DeclContext(ParserRuleContext parent, int invokingState) {
+ super(parent, invokingState);
+ }
+ @Override public int getRuleIndex() { return RULE_decl; }
+ }
+
+ public final DeclContext decl() throws RecognitionException {
+ DeclContext _localctx = new DeclContext(_ctx, getState());
+ enterRule(_localctx, 2, RULE_decl);
+ try {
+ setState(72);
+ _errHandler.sync(this);
+ switch (_input.LA(1)) {
+ case CONST:
+ enterOuterAlt(_localctx, 1);
+ {
+ setState(70);
+ constDecl();
+ }
+ break;
+ case INT:
+ case FLOAT:
+ enterOuterAlt(_localctx, 2);
+ {
+ setState(71);
+ varDecl();
+ }
+ break;
+ default:
+ throw new NoViableAltException(this);
+ }
+ }
+ catch (RecognitionException re) {
+ _localctx.exception = re;
+ _errHandler.reportError(this, re);
+ _errHandler.recover(this, re);
+ }
+ finally {
+ exitRule();
+ }
+ return _localctx;
+ }
+
+ @SuppressWarnings("CheckReturnValue")
+ public static class ConstDeclContext extends ParserRuleContext {
+ public TerminalNode CONST() { return getToken(SysYParser.CONST, 0); }
+ public BTypeContext bType() {
+ return getRuleContext(BTypeContext.class,0);
+ }
+ public List constDef() {
+ return getRuleContexts(ConstDefContext.class);
+ }
+ public ConstDefContext constDef(int i) {
+ return getRuleContext(ConstDefContext.class,i);
+ }
+ public TerminalNode SEMI() { return getToken(SysYParser.SEMI, 0); }
+ public List COMMA() { return getTokens(SysYParser.COMMA); }
+ public TerminalNode COMMA(int i) {
+ return getToken(SysYParser.COMMA, i);
+ }
+ public ConstDeclContext(ParserRuleContext parent, int invokingState) {
+ super(parent, invokingState);
+ }
+ @Override public int getRuleIndex() { return RULE_constDecl; }
+ }
+
+ public final ConstDeclContext constDecl() throws RecognitionException {
+ ConstDeclContext _localctx = new ConstDeclContext(_ctx, getState());
+ enterRule(_localctx, 4, RULE_constDecl);
+ int _la;
+ try {
+ enterOuterAlt(_localctx, 1);
+ {
+ setState(74);
+ match(CONST);
+ setState(75);
+ bType();
+ setState(76);
+ constDef();
+ setState(81);
+ _errHandler.sync(this);
+ _la = _input.LA(1);
+ while (_la==COMMA) {
+ {
+ {
+ setState(77);
+ match(COMMA);
+ setState(78);
+ constDef();
+ }
+ }
+ setState(83);
+ _errHandler.sync(this);
+ _la = _input.LA(1);
+ }
+ setState(84);
+ match(SEMI);
+ }
+ }
+ catch (RecognitionException re) {
+ _localctx.exception = re;
+ _errHandler.reportError(this, re);
+ _errHandler.recover(this, re);
+ }
+ finally {
+ exitRule();
+ }
+ return _localctx;
+ }
+
+ @SuppressWarnings("CheckReturnValue")
+ public static class BTypeContext extends ParserRuleContext {
+ public TerminalNode INT() { return getToken(SysYParser.INT, 0); }
+ public TerminalNode FLOAT() { return getToken(SysYParser.FLOAT, 0); }
+ public BTypeContext(ParserRuleContext parent, int invokingState) {
+ super(parent, invokingState);
+ }
+ @Override public int getRuleIndex() { return RULE_bType; }
+ }
+
+ public final BTypeContext bType() throws RecognitionException {
+ BTypeContext _localctx = new BTypeContext(_ctx, getState());
+ enterRule(_localctx, 6, RULE_bType);
+ int _la;
+ try {
+ enterOuterAlt(_localctx, 1);
+ {
+ setState(86);
+ _la = _input.LA(1);
+ if ( !(_la==INT || _la==FLOAT) ) {
+ _errHandler.recoverInline(this);
+ }
+ else {
+ if ( _input.LA(1)==Token.EOF ) matchedEOF = true;
+ _errHandler.reportMatch(this);
+ consume();
+ }
+ }
+ }
+ catch (RecognitionException re) {
+ _localctx.exception = re;
+ _errHandler.reportError(this, re);
+ _errHandler.recover(this, re);
+ }
+ finally {
+ exitRule();
+ }
+ return _localctx;
+ }
+
+ @SuppressWarnings("CheckReturnValue")
+ public static class ConstDefContext extends ParserRuleContext {
+ public TerminalNode IDENT() { return getToken(SysYParser.IDENT, 0); }
+ public TerminalNode ASSIGN() { return getToken(SysYParser.ASSIGN, 0); }
+ public ConstInitValContext constInitVal() {
+ return getRuleContext(ConstInitValContext.class,0);
+ }
+ public List LBRACK() { return getTokens(SysYParser.LBRACK); }
+ public TerminalNode LBRACK(int i) {
+ return getToken(SysYParser.LBRACK, i);
+ }
+ public List constExp() {
+ return getRuleContexts(ConstExpContext.class);
+ }
+ public ConstExpContext constExp(int i) {
+ return getRuleContext(ConstExpContext.class,i);
+ }
+ public List RBRACK() { return getTokens(SysYParser.RBRACK); }
+ public TerminalNode RBRACK(int i) {
+ return getToken(SysYParser.RBRACK, i);
+ }
+ public ConstDefContext(ParserRuleContext parent, int invokingState) {
+ super(parent, invokingState);
+ }
+ @Override public int getRuleIndex() { return RULE_constDef; }
+ }
+
+ public final ConstDefContext constDef() throws RecognitionException {
+ ConstDefContext _localctx = new ConstDefContext(_ctx, getState());
+ enterRule(_localctx, 8, RULE_constDef);
+ int _la;
+ try {
+ enterOuterAlt(_localctx, 1);
+ {
+ setState(88);
+ match(IDENT);
+ setState(95);
+ _errHandler.sync(this);
+ _la = _input.LA(1);
+ while (_la==LBRACK) {
+ {
+ {
+ setState(89);
+ match(LBRACK);
+ setState(90);
+ constExp();
+ setState(91);
+ match(RBRACK);
+ }
+ }
+ setState(97);
+ _errHandler.sync(this);
+ _la = _input.LA(1);
+ }
+ setState(98);
+ match(ASSIGN);
+ setState(99);
+ constInitVal();
+ }
+ }
+ catch (RecognitionException re) {
+ _localctx.exception = re;
+ _errHandler.reportError(this, re);
+ _errHandler.recover(this, re);
+ }
+ finally {
+ exitRule();
+ }
+ return _localctx;
+ }
+
+ @SuppressWarnings("CheckReturnValue")
+ public static class ConstInitValContext extends ParserRuleContext {
+ public ConstExpContext constExp() {
+ return getRuleContext(ConstExpContext.class,0);
+ }
+ public TerminalNode LBRACE() { return getToken(SysYParser.LBRACE, 0); }
+ public TerminalNode RBRACE() { return getToken(SysYParser.RBRACE, 0); }
+ public List constInitVal() {
+ return getRuleContexts(ConstInitValContext.class);
+ }
+ public ConstInitValContext constInitVal(int i) {
+ return getRuleContext(ConstInitValContext.class,i);
+ }
+ public List COMMA() { return getTokens(SysYParser.COMMA); }
+ public TerminalNode COMMA(int i) {
+ return getToken(SysYParser.COMMA, i);
+ }
+ public ConstInitValContext(ParserRuleContext parent, int invokingState) {
+ super(parent, invokingState);
+ }
+ @Override public int getRuleIndex() { return RULE_constInitVal; }
+ }
+
+ public final ConstInitValContext constInitVal() throws RecognitionException {
+ ConstInitValContext _localctx = new ConstInitValContext(_ctx, getState());
+ enterRule(_localctx, 10, RULE_constInitVal);
+ int _la;
+ try {
+ setState(114);
+ _errHandler.sync(this);
+ switch (_input.LA(1)) {
+ case ADD:
+ case SUB:
+ case NOT:
+ case LPAREN:
+ case IDENT:
+ case ILITERAL:
+ case FLITERAL:
+ enterOuterAlt(_localctx, 1);
+ {
+ setState(101);
+ constExp();
+ }
+ break;
+ case LBRACE:
+ enterOuterAlt(_localctx, 2);
+ {
+ setState(102);
+ match(LBRACE);
+ setState(111);
+ _errHandler.sync(this);
+ _la = _input.LA(1);
+ if ((((_la) & ~0x3f) == 0 && ((1L << _la) & 121408329728L) != 0)) {
+ {
+ setState(103);
+ constInitVal();
+ setState(108);
+ _errHandler.sync(this);
+ _la = _input.LA(1);
+ while (_la==COMMA) {
+ {
+ {
+ setState(104);
+ match(COMMA);
+ setState(105);
+ constInitVal();
+ }
+ }
+ setState(110);
+ _errHandler.sync(this);
+ _la = _input.LA(1);
+ }
+ }
+ }
+
+ setState(113);
+ match(RBRACE);
+ }
+ break;
+ default:
+ throw new NoViableAltException(this);
+ }
+ }
+ catch (RecognitionException re) {
+ _localctx.exception = re;
+ _errHandler.reportError(this, re);
+ _errHandler.recover(this, re);
+ }
+ finally {
+ exitRule();
+ }
+ return _localctx;
+ }
+
+ @SuppressWarnings("CheckReturnValue")
+ public static class VarDeclContext extends ParserRuleContext {
+ public BTypeContext bType() {
+ return getRuleContext(BTypeContext.class,0);
+ }
+ public List varDef() {
+ return getRuleContexts(VarDefContext.class);
+ }
+ public VarDefContext varDef(int i) {
+ return getRuleContext(VarDefContext.class,i);
+ }
+ public TerminalNode SEMI() { return getToken(SysYParser.SEMI, 0); }
+ public List COMMA() { return getTokens(SysYParser.COMMA); }
+ public TerminalNode COMMA(int i) {
+ return getToken(SysYParser.COMMA, i);
+ }
+ public VarDeclContext(ParserRuleContext parent, int invokingState) {
+ super(parent, invokingState);
+ }
+ @Override public int getRuleIndex() { return RULE_varDecl; }
+ }
+
+ public final VarDeclContext varDecl() throws RecognitionException {
+ VarDeclContext _localctx = new VarDeclContext(_ctx, getState());
+ enterRule(_localctx, 12, RULE_varDecl);
+ int _la;
+ try {
+ enterOuterAlt(_localctx, 1);
+ {
+ setState(116);
+ bType();
+ setState(117);
+ varDef();
+ setState(122);
+ _errHandler.sync(this);
+ _la = _input.LA(1);
+ while (_la==COMMA) {
+ {
+ {
+ setState(118);
+ match(COMMA);
+ setState(119);
+ varDef();
+ }
+ }
+ setState(124);
+ _errHandler.sync(this);
+ _la = _input.LA(1);
+ }
+ setState(125);
+ match(SEMI);
+ }
+ }
+ catch (RecognitionException re) {
+ _localctx.exception = re;
+ _errHandler.reportError(this, re);
+ _errHandler.recover(this, re);
+ }
+ finally {
+ exitRule();
+ }
+ return _localctx;
+ }
+
+ @SuppressWarnings("CheckReturnValue")
+ public static class VarDefContext extends ParserRuleContext {
+ public TerminalNode IDENT() { return getToken(SysYParser.IDENT, 0); }
+ public List LBRACK() { return getTokens(SysYParser.LBRACK); }
+ public TerminalNode LBRACK(int i) {
+ return getToken(SysYParser.LBRACK, i);
+ }
+ public List constExp() {
+ return getRuleContexts(ConstExpContext.class);
+ }
+ public ConstExpContext constExp(int i) {
+ return getRuleContext(ConstExpContext.class,i);
+ }
+ public List RBRACK() { return getTokens(SysYParser.RBRACK); }
+ public TerminalNode RBRACK(int i) {
+ return getToken(SysYParser.RBRACK, i);
+ }
+ public TerminalNode ASSIGN() { return getToken(SysYParser.ASSIGN, 0); }
+ public InitValContext initVal() {
+ return getRuleContext(InitValContext.class,0);
+ }
+ public VarDefContext(ParserRuleContext parent, int invokingState) {
+ super(parent, invokingState);
+ }
+ @Override public int getRuleIndex() { return RULE_varDef; }
+ }
+
+ public final VarDefContext varDef() throws RecognitionException {
+ VarDefContext _localctx = new VarDefContext(_ctx, getState());
+ enterRule(_localctx, 14, RULE_varDef);
+ int _la;
+ try {
+ enterOuterAlt(_localctx, 1);
+ {
+ setState(127);
+ match(IDENT);
+ setState(134);
+ _errHandler.sync(this);
+ _la = _input.LA(1);
+ while (_la==LBRACK) {
+ {
+ {
+ setState(128);
+ match(LBRACK);
+ setState(129);
+ constExp();
+ setState(130);
+ match(RBRACK);
+ }
+ }
+ setState(136);
+ _errHandler.sync(this);
+ _la = _input.LA(1);
+ }
+ setState(139);
+ _errHandler.sync(this);
+ _la = _input.LA(1);
+ if (_la==ASSIGN) {
+ {
+ setState(137);
+ match(ASSIGN);
+ setState(138);
+ initVal();
+ }
+ }
+
+ }
+ }
+ catch (RecognitionException re) {
+ _localctx.exception = re;
+ _errHandler.reportError(this, re);
+ _errHandler.recover(this, re);
+ }
+ finally {
+ exitRule();
+ }
+ return _localctx;
+ }
+
+ @SuppressWarnings("CheckReturnValue")
+ public static class InitValContext extends ParserRuleContext {
+ public ExpContext exp() {
+ return getRuleContext(ExpContext.class,0);
+ }
+ public TerminalNode LBRACE() { return getToken(SysYParser.LBRACE, 0); }
+ public TerminalNode RBRACE() { return getToken(SysYParser.RBRACE, 0); }
+ public List initVal() {
+ return getRuleContexts(InitValContext.class);
+ }
+ public InitValContext initVal(int i) {
+ return getRuleContext(InitValContext.class,i);
+ }
+ public List COMMA() { return getTokens(SysYParser.COMMA); }
+ public TerminalNode COMMA(int i) {
+ return getToken(SysYParser.COMMA, i);
+ }
+ public InitValContext(ParserRuleContext parent, int invokingState) {
+ super(parent, invokingState);
+ }
+ @Override public int getRuleIndex() { return RULE_initVal; }
+ }
+
+ public final InitValContext initVal() throws RecognitionException {
+ InitValContext _localctx = new InitValContext(_ctx, getState());
+ enterRule(_localctx, 16, RULE_initVal);
+ int _la;
+ try {
+ setState(154);
+ _errHandler.sync(this);
+ switch (_input.LA(1)) {
+ case ADD:
+ case SUB:
+ case NOT:
+ case LPAREN:
+ case IDENT:
+ case ILITERAL:
+ case FLITERAL:
+ enterOuterAlt(_localctx, 1);
+ {
+ setState(141);
+ exp();
+ }
+ break;
+ case LBRACE:
+ enterOuterAlt(_localctx, 2);
+ {
+ setState(142);
+ match(LBRACE);
+ setState(151);
+ _errHandler.sync(this);
+ _la = _input.LA(1);
+ if ((((_la) & ~0x3f) == 0 && ((1L << _la) & 121408329728L) != 0)) {
+ {
+ setState(143);
+ initVal();
+ setState(148);
+ _errHandler.sync(this);
+ _la = _input.LA(1);
+ while (_la==COMMA) {
+ {
+ {
+ setState(144);
+ match(COMMA);
+ setState(145);
+ initVal();
+ }
+ }
+ setState(150);
+ _errHandler.sync(this);
+ _la = _input.LA(1);
+ }
+ }
+ }
+
+ setState(153);
+ match(RBRACE);
+ }
+ break;
+ default:
+ throw new NoViableAltException(this);
+ }
+ }
+ catch (RecognitionException re) {
+ _localctx.exception = re;
+ _errHandler.reportError(this, re);
+ _errHandler.recover(this, re);
+ }
+ finally {
+ exitRule();
+ }
+ return _localctx;
+ }
+
+ @SuppressWarnings("CheckReturnValue")
+ public static class FuncDefContext extends ParserRuleContext {
+ public FuncTypeContext funcType() {
+ return getRuleContext(FuncTypeContext.class,0);
+ }
+ public TerminalNode IDENT() { return getToken(SysYParser.IDENT, 0); }
+ public TerminalNode LPAREN() { return getToken(SysYParser.LPAREN, 0); }
+ public TerminalNode RPAREN() { return getToken(SysYParser.RPAREN, 0); }
+ public BlockContext block() {
+ return getRuleContext(BlockContext.class,0);
+ }
+ public FuncFParamsContext funcFParams() {
+ return getRuleContext(FuncFParamsContext.class,0);
+ }
+ public FuncDefContext(ParserRuleContext parent, int invokingState) {
+ super(parent, invokingState);
+ }
+ @Override public int getRuleIndex() { return RULE_funcDef; }
+ }
+
+ public final FuncDefContext funcDef() throws RecognitionException {
+ FuncDefContext _localctx = new FuncDefContext(_ctx, getState());
+ enterRule(_localctx, 18, RULE_funcDef);
+ int _la;
+ try {
+ enterOuterAlt(_localctx, 1);
+ {
+ setState(156);
+ funcType();
+ setState(157);
+ match(IDENT);
+ setState(158);
+ match(LPAREN);
+ setState(160);
+ _errHandler.sync(this);
+ _la = _input.LA(1);
+ if (_la==INT || _la==FLOAT) {
+ {
+ setState(159);
+ funcFParams();
+ }
+ }
+
+ setState(162);
+ match(RPAREN);
+ setState(163);
+ block();
+ }
+ }
+ catch (RecognitionException re) {
+ _localctx.exception = re;
+ _errHandler.reportError(this, re);
+ _errHandler.recover(this, re);
+ }
+ finally {
+ exitRule();
+ }
+ return _localctx;
+ }
+
+ @SuppressWarnings("CheckReturnValue")
+ public static class FuncTypeContext extends ParserRuleContext {
+ public TerminalNode VOID() { return getToken(SysYParser.VOID, 0); }
+ public TerminalNode INT() { return getToken(SysYParser.INT, 0); }
+ public TerminalNode FLOAT() { return getToken(SysYParser.FLOAT, 0); }
+ public FuncTypeContext(ParserRuleContext parent, int invokingState) {
+ super(parent, invokingState);
+ }
+ @Override public int getRuleIndex() { return RULE_funcType; }
+ }
+
+ public final FuncTypeContext funcType() throws RecognitionException {
+ FuncTypeContext _localctx = new FuncTypeContext(_ctx, getState());
+ enterRule(_localctx, 20, RULE_funcType);
+ int _la;
+ try {
+ enterOuterAlt(_localctx, 1);
+ {
+ setState(165);
+ _la = _input.LA(1);
+ if ( !((((_la) & ~0x3f) == 0 && ((1L << _la) & 28L) != 0)) ) {
+ _errHandler.recoverInline(this);
+ }
+ else {
+ if ( _input.LA(1)==Token.EOF ) matchedEOF = true;
+ _errHandler.reportMatch(this);
+ consume();
+ }
+ }
+ }
+ catch (RecognitionException re) {
+ _localctx.exception = re;
+ _errHandler.reportError(this, re);
+ _errHandler.recover(this, re);
+ }
+ finally {
+ exitRule();
+ }
+ return _localctx;
+ }
+
+ @SuppressWarnings("CheckReturnValue")
+ public static class FuncFParamsContext extends ParserRuleContext {
+ public List funcFParam() {
+ return getRuleContexts(FuncFParamContext.class);
+ }
+ public FuncFParamContext funcFParam(int i) {
+ return getRuleContext(FuncFParamContext.class,i);
+ }
+ public List COMMA() { return getTokens(SysYParser.COMMA); }
+ public TerminalNode COMMA(int i) {
+ return getToken(SysYParser.COMMA, i);
+ }
+ public FuncFParamsContext(ParserRuleContext parent, int invokingState) {
+ super(parent, invokingState);
+ }
+ @Override public int getRuleIndex() { return RULE_funcFParams; }
+ }
+
+ public final FuncFParamsContext funcFParams() throws RecognitionException {
+ FuncFParamsContext _localctx = new FuncFParamsContext(_ctx, getState());
+ enterRule(_localctx, 22, RULE_funcFParams);
+ int _la;
+ try {
+ enterOuterAlt(_localctx, 1);
+ {
+ setState(167);
+ funcFParam();
+ setState(172);
+ _errHandler.sync(this);
+ _la = _input.LA(1);
+ while (_la==COMMA) {
+ {
+ {
+ setState(168);
+ match(COMMA);
+ setState(169);
+ funcFParam();
+ }
+ }
+ setState(174);
+ _errHandler.sync(this);
+ _la = _input.LA(1);
+ }
+ }
+ }
+ catch (RecognitionException re) {
+ _localctx.exception = re;
+ _errHandler.reportError(this, re);
+ _errHandler.recover(this, re);
+ }
+ finally {
+ exitRule();
+ }
+ return _localctx;
+ }
+
+ @SuppressWarnings("CheckReturnValue")
+ public static class FuncFParamContext extends ParserRuleContext {
+ public BTypeContext bType() {
+ return getRuleContext(BTypeContext.class,0);
+ }
+ public TerminalNode IDENT() { return getToken(SysYParser.IDENT, 0); }
+ public List LBRACK() { return getTokens(SysYParser.LBRACK); }
+ public TerminalNode LBRACK(int i) {
+ return getToken(SysYParser.LBRACK, i);
+ }
+ public List RBRACK() { return getTokens(SysYParser.RBRACK); }
+ public TerminalNode RBRACK(int i) {
+ return getToken(SysYParser.RBRACK, i);
+ }
+ public List exp() {
+ return getRuleContexts(ExpContext.class);
+ }
+ public ExpContext exp(int i) {
+ return getRuleContext(ExpContext.class,i);
+ }
+ public FuncFParamContext(ParserRuleContext parent, int invokingState) {
+ super(parent, invokingState);
+ }
+ @Override public int getRuleIndex() { return RULE_funcFParam; }
+ }
+
+ public final FuncFParamContext funcFParam() throws RecognitionException {
+ FuncFParamContext _localctx = new FuncFParamContext(_ctx, getState());
+ enterRule(_localctx, 24, RULE_funcFParam);
+ int _la;
+ try {
+ setState(191);
+ _errHandler.sync(this);
+ switch ( getInterpreter().adaptivePredict(_input,17,_ctx) ) {
+ case 1:
+ enterOuterAlt(_localctx, 1);
+ {
+ setState(175);
+ bType();
+ setState(176);
+ match(IDENT);
+ }
+ break;
+ case 2:
+ enterOuterAlt(_localctx, 2);
+ {
+ setState(178);
+ bType();
+ setState(179);
+ match(IDENT);
+ setState(180);
+ match(LBRACK);
+ setState(181);
+ match(RBRACK);
+ setState(188);
+ _errHandler.sync(this);
+ _la = _input.LA(1);
+ while (_la==LBRACK) {
+ {
+ {
+ setState(182);
+ match(LBRACK);
+ setState(183);
+ exp();
+ setState(184);
+ match(RBRACK);
+ }
+ }
+ setState(190);
+ _errHandler.sync(this);
+ _la = _input.LA(1);
+ }
+ }
+ break;
+ }
+ }
+ catch (RecognitionException re) {
+ _localctx.exception = re;
+ _errHandler.reportError(this, re);
+ _errHandler.recover(this, re);
+ }
+ finally {
+ exitRule();
+ }
+ return _localctx;
+ }
+
+ @SuppressWarnings("CheckReturnValue")
+ public static class BlockContext extends ParserRuleContext {
+ public TerminalNode LBRACE() { return getToken(SysYParser.LBRACE, 0); }
+ public TerminalNode RBRACE() { return getToken(SysYParser.RBRACE, 0); }
+ public List blockItem() {
+ return getRuleContexts(BlockItemContext.class);
+ }
+ public BlockItemContext blockItem(int i) {
+ return getRuleContext(BlockItemContext.class,i);
+ }
+ public BlockContext(ParserRuleContext parent, int invokingState) {
+ super(parent, invokingState);
+ }
+ @Override public int getRuleIndex() { return RULE_block; }
+ }
+
+ public final BlockContext block() throws RecognitionException {
+ BlockContext _localctx = new BlockContext(_ctx, getState());
+ enterRule(_localctx, 26, RULE_block);
+ int _la;
+ try {
+ enterOuterAlt(_localctx, 1);
+ {
+ setState(193);
+ match(LBRACE);
+ setState(197);
+ _errHandler.sync(this);
+ _la = _input.LA(1);
+ while ((((_la) & ~0x3f) == 0 && ((1L << _la) & 129998266286L) != 0)) {
+ {
+ {
+ setState(194);
+ blockItem();
+ }
+ }
+ setState(199);
+ _errHandler.sync(this);
+ _la = _input.LA(1);
+ }
+ setState(200);
+ match(RBRACE);
+ }
+ }
+ catch (RecognitionException re) {
+ _localctx.exception = re;
+ _errHandler.reportError(this, re);
+ _errHandler.recover(this, re);
+ }
+ finally {
+ exitRule();
+ }
+ return _localctx;
+ }
+
+ @SuppressWarnings("CheckReturnValue")
+ public static class BlockItemContext extends ParserRuleContext {
+ public DeclContext decl() {
+ return getRuleContext(DeclContext.class,0);
+ }
+ public StmtContext stmt() {
+ return getRuleContext(StmtContext.class,0);
+ }
+ public BlockItemContext(ParserRuleContext parent, int invokingState) {
+ super(parent, invokingState);
+ }
+ @Override public int getRuleIndex() { return RULE_blockItem; }
+ }
+
+ public final BlockItemContext blockItem() throws RecognitionException {
+ BlockItemContext _localctx = new BlockItemContext(_ctx, getState());
+ enterRule(_localctx, 28, RULE_blockItem);
+ try {
+ setState(204);
+ _errHandler.sync(this);
+ switch (_input.LA(1)) {
+ case CONST:
+ case INT:
+ case FLOAT:
+ enterOuterAlt(_localctx, 1);
+ {
+ setState(202);
+ decl();
+ }
+ break;
+ case IF:
+ case WHILE:
+ case BREAK:
+ case CONTINUE:
+ case RETURN:
+ case ADD:
+ case SUB:
+ case NOT:
+ case LPAREN:
+ case LBRACE:
+ case SEMI:
+ case IDENT:
+ case ILITERAL:
+ case FLITERAL:
+ enterOuterAlt(_localctx, 2);
+ {
+ setState(203);
+ stmt();
+ }
+ break;
+ default:
+ throw new NoViableAltException(this);
+ }
+ }
+ catch (RecognitionException re) {
+ _localctx.exception = re;
+ _errHandler.reportError(this, re);
+ _errHandler.recover(this, re);
+ }
+ finally {
+ exitRule();
+ }
+ return _localctx;
+ }
+
+ @SuppressWarnings("CheckReturnValue")
+ public static class StmtContext extends ParserRuleContext {
+ public StmtContext(ParserRuleContext parent, int invokingState) {
+ super(parent, invokingState);
+ }
+ @Override public int getRuleIndex() { return RULE_stmt; }
+
+ public StmtContext() { }
+ public void copyFrom(StmtContext ctx) {
+ super.copyFrom(ctx);
+ }
+ }
+ @SuppressWarnings("CheckReturnValue")
+ public static class WhileStmtContext extends StmtContext {
+ public TerminalNode WHILE() { return getToken(SysYParser.WHILE, 0); }
+ public TerminalNode LPAREN() { return getToken(SysYParser.LPAREN, 0); }
+ public CondContext cond() {
+ return getRuleContext(CondContext.class,0);
+ }
+ public TerminalNode RPAREN() { return getToken(SysYParser.RPAREN, 0); }
+ public StmtContext stmt() {
+ return getRuleContext(StmtContext.class,0);
+ }
+ public WhileStmtContext(StmtContext ctx) { copyFrom(ctx); }
+ }
+ @SuppressWarnings("CheckReturnValue")
+ public static class IfStmtContext extends StmtContext {
+ public TerminalNode IF() { return getToken(SysYParser.IF, 0); }
+ public TerminalNode LPAREN() { return getToken(SysYParser.LPAREN, 0); }
+ public CondContext cond() {
+ return getRuleContext(CondContext.class,0);
+ }
+ public TerminalNode RPAREN() { return getToken(SysYParser.RPAREN, 0); }
+ public List stmt() {
+ return getRuleContexts(StmtContext.class);
+ }
+ public StmtContext stmt(int i) {
+ return getRuleContext(StmtContext.class,i);
+ }
+ public TerminalNode ELSE() { return getToken(SysYParser.ELSE, 0); }
+ public IfStmtContext(StmtContext ctx) { copyFrom(ctx); }
+ }
+ @SuppressWarnings("CheckReturnValue")
+ public static class BlockStmtContext extends StmtContext {
+ public BlockContext block() {
+ return getRuleContext(BlockContext.class,0);
+ }
+ public BlockStmtContext(StmtContext ctx) { copyFrom(ctx); }
+ }
+ @SuppressWarnings("CheckReturnValue")
+ public static class AssignStmtContext extends StmtContext {
+ public LValContext lVal() {
+ return getRuleContext(LValContext.class,0);
+ }
+ public TerminalNode ASSIGN() { return getToken(SysYParser.ASSIGN, 0); }
+ public ExpContext exp() {
+ return getRuleContext(ExpContext.class,0);
+ }
+ public TerminalNode SEMI() { return getToken(SysYParser.SEMI, 0); }
+ public AssignStmtContext(StmtContext ctx) { copyFrom(ctx); }
+ }
+ @SuppressWarnings("CheckReturnValue")
+ public static class BreakStmtContext extends StmtContext {
+ public TerminalNode BREAK() { return getToken(SysYParser.BREAK, 0); }
+ public TerminalNode SEMI() { return getToken(SysYParser.SEMI, 0); }
+ public BreakStmtContext(StmtContext ctx) { copyFrom(ctx); }
+ }
+ @SuppressWarnings("CheckReturnValue")
+ public static class ExpStmtContext extends StmtContext {
+ public TerminalNode SEMI() { return getToken(SysYParser.SEMI, 0); }
+ public ExpContext exp() {
+ return getRuleContext(ExpContext.class,0);
+ }
+ public ExpStmtContext(StmtContext ctx) { copyFrom(ctx); }
+ }
+ @SuppressWarnings("CheckReturnValue")
+ public static class ReturnStmtContext extends StmtContext {
+ public TerminalNode RETURN() { return getToken(SysYParser.RETURN, 0); }
+ public TerminalNode SEMI() { return getToken(SysYParser.SEMI, 0); }
+ public ExpContext exp() {
+ return getRuleContext(ExpContext.class,0);
+ }
+ public ReturnStmtContext(StmtContext ctx) { copyFrom(ctx); }
+ }
+ @SuppressWarnings("CheckReturnValue")
+ public static class ContinueStmtContext extends StmtContext {
+ public TerminalNode CONTINUE() { return getToken(SysYParser.CONTINUE, 0); }
+ public TerminalNode SEMI() { return getToken(SysYParser.SEMI, 0); }
+ public ContinueStmtContext(StmtContext ctx) { copyFrom(ctx); }
+ }
+
+ public final StmtContext stmt() throws RecognitionException {
+ StmtContext _localctx = new StmtContext(_ctx, getState());
+ enterRule(_localctx, 30, RULE_stmt);
+ int _la;
+ try {
+ setState(240);
+ _errHandler.sync(this);
+ switch ( getInterpreter().adaptivePredict(_input,23,_ctx) ) {
+ case 1:
+ _localctx = new AssignStmtContext(_localctx);
+ enterOuterAlt(_localctx, 1);
+ {
+ setState(206);
+ lVal();
+ setState(207);
+ match(ASSIGN);
+ setState(208);
+ exp();
+ setState(209);
+ match(SEMI);
+ }
+ break;
+ case 2:
+ _localctx = new ExpStmtContext(_localctx);
+ enterOuterAlt(_localctx, 2);
+ {
+ setState(212);
+ _errHandler.sync(this);
+ _la = _input.LA(1);
+ if ((((_la) & ~0x3f) == 0 && ((1L << _la) & 120334587904L) != 0)) {
+ {
+ setState(211);
+ exp();
+ }
+ }
+
+ setState(214);
+ match(SEMI);
+ }
+ break;
+ case 3:
+ _localctx = new BlockStmtContext(_localctx);
+ enterOuterAlt(_localctx, 3);
+ {
+ setState(215);
+ block();
+ }
+ break;
+ case 4:
+ _localctx = new IfStmtContext(_localctx);
+ enterOuterAlt(_localctx, 4);
+ {
+ setState(216);
+ match(IF);
+ setState(217);
+ match(LPAREN);
+ setState(218);
+ cond();
+ setState(219);
+ match(RPAREN);
+ setState(220);
+ stmt();
+ setState(223);
+ _errHandler.sync(this);
+ switch ( getInterpreter().adaptivePredict(_input,21,_ctx) ) {
+ case 1:
+ {
+ setState(221);
+ match(ELSE);
+ setState(222);
+ stmt();
+ }
+ break;
+ }
+ }
+ break;
+ case 5:
+ _localctx = new WhileStmtContext(_localctx);
+ enterOuterAlt(_localctx, 5);
+ {
+ setState(225);
+ match(WHILE);
+ setState(226);
+ match(LPAREN);
+ setState(227);
+ cond();
+ setState(228);
+ match(RPAREN);
+ setState(229);
+ stmt();
+ }
+ break;
+ case 6:
+ _localctx = new BreakStmtContext(_localctx);
+ enterOuterAlt(_localctx, 6);
+ {
+ setState(231);
+ match(BREAK);
+ setState(232);
+ match(SEMI);
+ }
+ break;
+ case 7:
+ _localctx = new ContinueStmtContext(_localctx);
+ enterOuterAlt(_localctx, 7);
+ {
+ setState(233);
+ match(CONTINUE);
+ setState(234);
+ match(SEMI);
+ }
+ break;
+ case 8:
+ _localctx = new ReturnStmtContext(_localctx);
+ enterOuterAlt(_localctx, 8);
+ {
+ setState(235);
+ match(RETURN);
+ setState(237);
+ _errHandler.sync(this);
+ _la = _input.LA(1);
+ if ((((_la) & ~0x3f) == 0 && ((1L << _la) & 120334587904L) != 0)) {
+ {
+ setState(236);
+ exp();
+ }
+ }
+
+ setState(239);
+ match(SEMI);
+ }
+ break;
+ }
+ }
+ catch (RecognitionException re) {
+ _localctx.exception = re;
+ _errHandler.reportError(this, re);
+ _errHandler.recover(this, re);
+ }
+ finally {
+ exitRule();
+ }
+ return _localctx;
+ }
+
+ @SuppressWarnings("CheckReturnValue")
+ public static class ExpContext extends ParserRuleContext {
+ public AddExpContext addExp() {
+ return getRuleContext(AddExpContext.class,0);
+ }
+ public ExpContext(ParserRuleContext parent, int invokingState) {
+ super(parent, invokingState);
+ }
+ @Override public int getRuleIndex() { return RULE_exp; }
+ }
+
+ public final ExpContext exp() throws RecognitionException {
+ ExpContext _localctx = new ExpContext(_ctx, getState());
+ enterRule(_localctx, 32, RULE_exp);
+ try {
+ enterOuterAlt(_localctx, 1);
+ {
+ setState(242);
+ addExp(0);
+ }
+ }
+ catch (RecognitionException re) {
+ _localctx.exception = re;
+ _errHandler.reportError(this, re);
+ _errHandler.recover(this, re);
+ }
+ finally {
+ exitRule();
+ }
+ return _localctx;
+ }
+
+ @SuppressWarnings("CheckReturnValue")
+ public static class CondContext extends ParserRuleContext {
+ public LOrExpContext lOrExp() {
+ return getRuleContext(LOrExpContext.class,0);
+ }
+ public CondContext(ParserRuleContext parent, int invokingState) {
+ super(parent, invokingState);
+ }
+ @Override public int getRuleIndex() { return RULE_cond; }
+ }
+
+ public final CondContext cond() throws RecognitionException {
+ CondContext _localctx = new CondContext(_ctx, getState());
+ enterRule(_localctx, 34, RULE_cond);
+ try {
+ enterOuterAlt(_localctx, 1);
+ {
+ setState(244);
+ lOrExp(0);
+ }
+ }
+ catch (RecognitionException re) {
+ _localctx.exception = re;
+ _errHandler.reportError(this, re);
+ _errHandler.recover(this, re);
+ }
+ finally {
+ exitRule();
+ }
+ return _localctx;
+ }
+
+ @SuppressWarnings("CheckReturnValue")
+ public static class LValContext extends ParserRuleContext {
+ public TerminalNode IDENT() { return getToken(SysYParser.IDENT, 0); }
+ public List LBRACK() { return getTokens(SysYParser.LBRACK); }
+ public TerminalNode LBRACK(int i) {
+ return getToken(SysYParser.LBRACK, i);
+ }
+ public List exp() {
+ return getRuleContexts(ExpContext.class);
+ }
+ public ExpContext exp(int i) {
+ return getRuleContext(ExpContext.class,i);
+ }
+ public List RBRACK() { return getTokens(SysYParser.RBRACK); }
+ public TerminalNode RBRACK(int i) {
+ return getToken(SysYParser.RBRACK, i);
+ }
+ public LValContext(ParserRuleContext parent, int invokingState) {
+ super(parent, invokingState);
+ }
+ @Override public int getRuleIndex() { return RULE_lVal; }
+ }
+
+ public final LValContext lVal() throws RecognitionException {
+ LValContext _localctx = new LValContext(_ctx, getState());
+ enterRule(_localctx, 36, RULE_lVal);
+ try {
+ int _alt;
+ enterOuterAlt(_localctx, 1);
+ {
+ setState(246);
+ match(IDENT);
+ setState(253);
+ _errHandler.sync(this);
+ _alt = getInterpreter().adaptivePredict(_input,24,_ctx);
+ while ( _alt!=2 && _alt!=org.antlr.v4.runtime.atn.ATN.INVALID_ALT_NUMBER ) {
+ if ( _alt==1 ) {
+ {
+ {
+ setState(247);
+ match(LBRACK);
+ setState(248);
+ exp();
+ setState(249);
+ match(RBRACK);
+ }
+ }
+ }
+ setState(255);
+ _errHandler.sync(this);
+ _alt = getInterpreter().adaptivePredict(_input,24,_ctx);
+ }
+ }
+ }
+ catch (RecognitionException re) {
+ _localctx.exception = re;
+ _errHandler.reportError(this, re);
+ _errHandler.recover(this, re);
+ }
+ finally {
+ exitRule();
+ }
+ return _localctx;
+ }
+
+ @SuppressWarnings("CheckReturnValue")
+ public static class PrimaryExpContext extends ParserRuleContext {
+ public TerminalNode LPAREN() { return getToken(SysYParser.LPAREN, 0); }
+ public ExpContext exp() {
+ return getRuleContext(ExpContext.class,0);
+ }
+ public TerminalNode RPAREN() { return getToken(SysYParser.RPAREN, 0); }
+ public LValContext lVal() {
+ return getRuleContext(LValContext.class,0);
+ }
+ public NumberContext number() {
+ return getRuleContext(NumberContext.class,0);
+ }
+ public PrimaryExpContext(ParserRuleContext parent, int invokingState) {
+ super(parent, invokingState);
+ }
+ @Override public int getRuleIndex() { return RULE_primaryExp; }
+ }
+
+ public final PrimaryExpContext primaryExp() throws RecognitionException {
+ PrimaryExpContext _localctx = new PrimaryExpContext(_ctx, getState());
+ enterRule(_localctx, 38, RULE_primaryExp);
+ try {
+ setState(262);
+ _errHandler.sync(this);
+ switch (_input.LA(1)) {
+ case LPAREN:
+ enterOuterAlt(_localctx, 1);
+ {
+ setState(256);
+ match(LPAREN);
+ setState(257);
+ exp();
+ setState(258);
+ match(RPAREN);
+ }
+ break;
+ case IDENT:
+ enterOuterAlt(_localctx, 2);
+ {
+ setState(260);
+ lVal();
+ }
+ break;
+ case ILITERAL:
+ case FLITERAL:
+ enterOuterAlt(_localctx, 3);
+ {
+ setState(261);
+ number();
+ }
+ break;
+ default:
+ throw new NoViableAltException(this);
+ }
+ }
+ catch (RecognitionException re) {
+ _localctx.exception = re;
+ _errHandler.reportError(this, re);
+ _errHandler.recover(this, re);
+ }
+ finally {
+ exitRule();
+ }
+ return _localctx;
+ }
+
+ @SuppressWarnings("CheckReturnValue")
+ public static class NumberContext extends ParserRuleContext {
+ public TerminalNode ILITERAL() { return getToken(SysYParser.ILITERAL, 0); }
+ public TerminalNode FLITERAL() { return getToken(SysYParser.FLITERAL, 0); }
+ public NumberContext(ParserRuleContext parent, int invokingState) {
+ super(parent, invokingState);
+ }
+ @Override public int getRuleIndex() { return RULE_number; }
+ }
+
+ public final NumberContext number() throws RecognitionException {
+ NumberContext _localctx = new NumberContext(_ctx, getState());
+ enterRule(_localctx, 40, RULE_number);
+ int _la;
+ try {
+ enterOuterAlt(_localctx, 1);
+ {
+ setState(264);
+ _la = _input.LA(1);
+ if ( !(_la==ILITERAL || _la==FLITERAL) ) {
+ _errHandler.recoverInline(this);
+ }
+ else {
+ if ( _input.LA(1)==Token.EOF ) matchedEOF = true;
+ _errHandler.reportMatch(this);
+ consume();
+ }
+ }
+ }
+ catch (RecognitionException re) {
+ _localctx.exception = re;
+ _errHandler.reportError(this, re);
+ _errHandler.recover(this, re);
+ }
+ finally {
+ exitRule();
+ }
+ return _localctx;
+ }
+
+ @SuppressWarnings("CheckReturnValue")
+ public static class UnaryExpContext extends ParserRuleContext {
+ public UnaryExpContext(ParserRuleContext parent, int invokingState) {
+ super(parent, invokingState);
+ }
+ @Override public int getRuleIndex() { return RULE_unaryExp; }
+
+ public UnaryExpContext() { }
+ public void copyFrom(UnaryExpContext ctx) {
+ super.copyFrom(ctx);
+ }
+ }
+ @SuppressWarnings("CheckReturnValue")
+ public static class OpUnaryExpContext extends UnaryExpContext {
+ public UnaryOpContext unaryOp() {
+ return getRuleContext(UnaryOpContext.class,0);
+ }
+ public UnaryExpContext unaryExp() {
+ return getRuleContext(UnaryExpContext.class,0);
+ }
+ public OpUnaryExpContext(UnaryExpContext ctx) { copyFrom(ctx); }
+ }
+ @SuppressWarnings("CheckReturnValue")
+ public static class CallUnaryExpContext extends UnaryExpContext {
+ public TerminalNode IDENT() { return getToken(SysYParser.IDENT, 0); }
+ public TerminalNode LPAREN() { return getToken(SysYParser.LPAREN, 0); }
+ public TerminalNode RPAREN() { return getToken(SysYParser.RPAREN, 0); }
+ public FuncRParamsContext funcRParams() {
+ return getRuleContext(FuncRParamsContext.class,0);
+ }
+ public CallUnaryExpContext(UnaryExpContext ctx) { copyFrom(ctx); }
+ }
+ @SuppressWarnings("CheckReturnValue")
+ public static class PrimaryUnaryExpContext extends UnaryExpContext {
+ public PrimaryExpContext primaryExp() {
+ return getRuleContext(PrimaryExpContext.class,0);
+ }
+ public PrimaryUnaryExpContext(UnaryExpContext ctx) { copyFrom(ctx); }
+ }
+
+ public final UnaryExpContext unaryExp() throws RecognitionException {
+ UnaryExpContext _localctx = new UnaryExpContext(_ctx, getState());
+ enterRule(_localctx, 42, RULE_unaryExp);
+ int _la;
+ try {
+ setState(276);
+ _errHandler.sync(this);
+ switch ( getInterpreter().adaptivePredict(_input,27,_ctx) ) {
+ case 1:
+ _localctx = new PrimaryUnaryExpContext(_localctx);
+ enterOuterAlt(_localctx, 1);
+ {
+ setState(266);
+ primaryExp();
+ }
+ break;
+ case 2:
+ _localctx = new CallUnaryExpContext(_localctx);
+ enterOuterAlt(_localctx, 2);
+ {
+ setState(267);
+ match(IDENT);
+ setState(268);
+ match(LPAREN);
+ setState(270);
+ _errHandler.sync(this);
+ _la = _input.LA(1);
+ if ((((_la) & ~0x3f) == 0 && ((1L << _la) & 120334587904L) != 0)) {
+ {
+ setState(269);
+ funcRParams();
+ }
+ }
+
+ setState(272);
+ match(RPAREN);
+ }
+ break;
+ case 3:
+ _localctx = new OpUnaryExpContext(_localctx);
+ enterOuterAlt(_localctx, 3);
+ {
+ setState(273);
+ unaryOp();
+ setState(274);
+ unaryExp();
+ }
+ break;
+ }
+ }
+ catch (RecognitionException re) {
+ _localctx.exception = re;
+ _errHandler.reportError(this, re);
+ _errHandler.recover(this, re);
+ }
+ finally {
+ exitRule();
+ }
+ return _localctx;
+ }
+
+ @SuppressWarnings("CheckReturnValue")
+ public static class UnaryOpContext extends ParserRuleContext {
+ public TerminalNode ADD() { return getToken(SysYParser.ADD, 0); }
+ public TerminalNode SUB() { return getToken(SysYParser.SUB, 0); }
+ public TerminalNode NOT() { return getToken(SysYParser.NOT, 0); }
+ public UnaryOpContext(ParserRuleContext parent, int invokingState) {
+ super(parent, invokingState);
+ }
+ @Override public int getRuleIndex() { return RULE_unaryOp; }
+ }
+
+ public final UnaryOpContext unaryOp() throws RecognitionException {
+ UnaryOpContext _localctx = new UnaryOpContext(_ctx, getState());
+ enterRule(_localctx, 44, RULE_unaryOp);
+ int _la;
+ try {
+ enterOuterAlt(_localctx, 1);
+ {
+ setState(278);
+ _la = _input.LA(1);
+ if ( !((((_la) & ~0x3f) == 0 && ((1L << _la) & 8394752L) != 0)) ) {
+ _errHandler.recoverInline(this);
+ }
+ else {
+ if ( _input.LA(1)==Token.EOF ) matchedEOF = true;
+ _errHandler.reportMatch(this);
+ consume();
+ }
+ }
+ }
+ catch (RecognitionException re) {
+ _localctx.exception = re;
+ _errHandler.reportError(this, re);
+ _errHandler.recover(this, re);
+ }
+ finally {
+ exitRule();
+ }
+ return _localctx;
+ }
+
+ @SuppressWarnings("CheckReturnValue")
+ public static class FuncRParamsContext extends ParserRuleContext {
+ public List exp() {
+ return getRuleContexts(ExpContext.class);
+ }
+ public ExpContext exp(int i) {
+ return getRuleContext(ExpContext.class,i);
+ }
+ public List COMMA() { return getTokens(SysYParser.COMMA); }
+ public TerminalNode COMMA(int i) {
+ return getToken(SysYParser.COMMA, i);
+ }
+ public FuncRParamsContext(ParserRuleContext parent, int invokingState) {
+ super(parent, invokingState);
+ }
+ @Override public int getRuleIndex() { return RULE_funcRParams; }
+ }
+
+ public final FuncRParamsContext funcRParams() throws RecognitionException {
+ FuncRParamsContext _localctx = new FuncRParamsContext(_ctx, getState());
+ enterRule(_localctx, 46, RULE_funcRParams);
+ int _la;
+ try {
+ enterOuterAlt(_localctx, 1);
+ {
+ setState(280);
+ exp();
+ setState(285);
+ _errHandler.sync(this);
+ _la = _input.LA(1);
+ while (_la==COMMA) {
+ {
+ {
+ setState(281);
+ match(COMMA);
+ setState(282);
+ exp();
+ }
+ }
+ setState(287);
+ _errHandler.sync(this);
+ _la = _input.LA(1);
+ }
+ }
+ }
+ catch (RecognitionException re) {
+ _localctx.exception = re;
+ _errHandler.reportError(this, re);
+ _errHandler.recover(this, re);
+ }
+ finally {
+ exitRule();
+ }
+ return _localctx;
+ }
+
+ @SuppressWarnings("CheckReturnValue")
+ public static class MulExpContext extends ParserRuleContext {
+ public MulExpContext(ParserRuleContext parent, int invokingState) {
+ super(parent, invokingState);
+ }
+ @Override public int getRuleIndex() { return RULE_mulExp; }
+
+ public MulExpContext() { }
+ public void copyFrom(MulExpContext ctx) {
+ super.copyFrom(ctx);
+ }
+ }
+ @SuppressWarnings("CheckReturnValue")
+ public static class BinaryMulExpContext extends MulExpContext {
+ public Token op;
+ public MulExpContext mulExp() {
+ return getRuleContext(MulExpContext.class,0);
+ }
+ public UnaryExpContext unaryExp() {
+ return getRuleContext(UnaryExpContext.class,0);
+ }
+ public TerminalNode MUL() { return getToken(SysYParser.MUL, 0); }
+ public TerminalNode DIV() { return getToken(SysYParser.DIV, 0); }
+ public TerminalNode MOD() { return getToken(SysYParser.MOD, 0); }
+ public BinaryMulExpContext(MulExpContext ctx) { copyFrom(ctx); }
+ }
+ @SuppressWarnings("CheckReturnValue")
+ public static class UnaryMulExpContext extends MulExpContext {
+ public UnaryExpContext unaryExp() {
+ return getRuleContext(UnaryExpContext.class,0);
+ }
+ public UnaryMulExpContext(MulExpContext ctx) { copyFrom(ctx); }
+ }
+
+ public final MulExpContext mulExp() throws RecognitionException {
+ return mulExp(0);
+ }
+
+ private MulExpContext mulExp(int _p) throws RecognitionException {
+ ParserRuleContext _parentctx = _ctx;
+ int _parentState = getState();
+ MulExpContext _localctx = new MulExpContext(_ctx, _parentState);
+ MulExpContext _prevctx = _localctx;
+ int _startState = 48;
+ enterRecursionRule(_localctx, 48, RULE_mulExp, _p);
+ int _la;
+ try {
+ int _alt;
+ enterOuterAlt(_localctx, 1);
+ {
+ {
+ _localctx = new UnaryMulExpContext(_localctx);
+ _ctx = _localctx;
+ _prevctx = _localctx;
+
+ setState(289);
+ unaryExp();
+ }
+ _ctx.stop = _input.LT(-1);
+ setState(296);
+ _errHandler.sync(this);
+ _alt = getInterpreter().adaptivePredict(_input,29,_ctx);
+ while ( _alt!=2 && _alt!=org.antlr.v4.runtime.atn.ATN.INVALID_ALT_NUMBER ) {
+ if ( _alt==1 ) {
+ if ( _parseListeners!=null ) triggerExitRuleEvent();
+ _prevctx = _localctx;
+ {
+ {
+ _localctx = new BinaryMulExpContext(new MulExpContext(_parentctx, _parentState));
+ pushNewRecursionContext(_localctx, _startState, RULE_mulExp);
+ setState(291);
+ if (!(precpred(_ctx, 1))) throw new FailedPredicateException(this, "precpred(_ctx, 1)");
+ setState(292);
+ ((BinaryMulExpContext)_localctx).op = _input.LT(1);
+ _la = _input.LA(1);
+ if ( !((((_la) & ~0x3f) == 0 && ((1L << _la) & 57344L) != 0)) ) {
+ ((BinaryMulExpContext)_localctx).op = (Token)_errHandler.recoverInline(this);
+ }
+ else {
+ if ( _input.LA(1)==Token.EOF ) matchedEOF = true;
+ _errHandler.reportMatch(this);
+ consume();
+ }
+ setState(293);
+ unaryExp();
+ }
+ }
+ }
+ setState(298);
+ _errHandler.sync(this);
+ _alt = getInterpreter().adaptivePredict(_input,29,_ctx);
+ }
+ }
+ }
+ catch (RecognitionException re) {
+ _localctx.exception = re;
+ _errHandler.reportError(this, re);
+ _errHandler.recover(this, re);
+ }
+ finally {
+ unrollRecursionContexts(_parentctx);
+ }
+ return _localctx;
+ }
+
+ @SuppressWarnings("CheckReturnValue")
+ public static class AddExpContext extends ParserRuleContext {
+ public AddExpContext(ParserRuleContext parent, int invokingState) {
+ super(parent, invokingState);
+ }
+ @Override public int getRuleIndex() { return RULE_addExp; }
+
+ public AddExpContext() { }
+ public void copyFrom(AddExpContext ctx) {
+ super.copyFrom(ctx);
+ }
+ }
+ @SuppressWarnings("CheckReturnValue")
+ public static class BinaryAddExpContext extends AddExpContext {
+ public Token op;
+ public AddExpContext addExp() {
+ return getRuleContext(AddExpContext.class,0);
+ }
+ public MulExpContext mulExp() {
+ return getRuleContext(MulExpContext.class,0);
+ }
+ public TerminalNode ADD() { return getToken(SysYParser.ADD, 0); }
+ public TerminalNode SUB() { return getToken(SysYParser.SUB, 0); }
+ public BinaryAddExpContext(AddExpContext ctx) { copyFrom(ctx); }
+ }
+ @SuppressWarnings("CheckReturnValue")
+ public static class MulAddExpContext extends AddExpContext {
+ public MulExpContext mulExp() {
+ return getRuleContext(MulExpContext.class,0);
+ }
+ public MulAddExpContext(AddExpContext ctx) { copyFrom(ctx); }
+ }
+
+ public final AddExpContext addExp() throws RecognitionException {
+ return addExp(0);
+ }
+
+ private AddExpContext addExp(int _p) throws RecognitionException {
+ ParserRuleContext _parentctx = _ctx;
+ int _parentState = getState();
+ AddExpContext _localctx = new AddExpContext(_ctx, _parentState);
+ AddExpContext _prevctx = _localctx;
+ int _startState = 50;
+ enterRecursionRule(_localctx, 50, RULE_addExp, _p);
+ int _la;
+ try {
+ int _alt;
+ enterOuterAlt(_localctx, 1);
+ {
+ {
+ _localctx = new MulAddExpContext(_localctx);
+ _ctx = _localctx;
+ _prevctx = _localctx;
+
+ setState(300);
+ mulExp(0);
+ }
+ _ctx.stop = _input.LT(-1);
+ setState(307);
+ _errHandler.sync(this);
+ _alt = getInterpreter().adaptivePredict(_input,30,_ctx);
+ while ( _alt!=2 && _alt!=org.antlr.v4.runtime.atn.ATN.INVALID_ALT_NUMBER ) {
+ if ( _alt==1 ) {
+ if ( _parseListeners!=null ) triggerExitRuleEvent();
+ _prevctx = _localctx;
+ {
+ {
+ _localctx = new BinaryAddExpContext(new AddExpContext(_parentctx, _parentState));
+ pushNewRecursionContext(_localctx, _startState, RULE_addExp);
+ setState(302);
+ if (!(precpred(_ctx, 1))) throw new FailedPredicateException(this, "precpred(_ctx, 1)");
+ setState(303);
+ ((BinaryAddExpContext)_localctx).op = _input.LT(1);
+ _la = _input.LA(1);
+ if ( !(_la==ADD || _la==SUB) ) {
+ ((BinaryAddExpContext)_localctx).op = (Token)_errHandler.recoverInline(this);
+ }
+ else {
+ if ( _input.LA(1)==Token.EOF ) matchedEOF = true;
+ _errHandler.reportMatch(this);
+ consume();
+ }
+ setState(304);
+ mulExp(0);
+ }
+ }
+ }
+ setState(309);
+ _errHandler.sync(this);
+ _alt = getInterpreter().adaptivePredict(_input,30,_ctx);
+ }
+ }
+ }
+ catch (RecognitionException re) {
+ _localctx.exception = re;
+ _errHandler.reportError(this, re);
+ _errHandler.recover(this, re);
+ }
+ finally {
+ unrollRecursionContexts(_parentctx);
+ }
+ return _localctx;
+ }
+
+ @SuppressWarnings("CheckReturnValue")
+ public static class RelExpContext extends ParserRuleContext {
+ public RelExpContext(ParserRuleContext parent, int invokingState) {
+ super(parent, invokingState);
+ }
+ @Override public int getRuleIndex() { return RULE_relExp; }
+
+ public RelExpContext() { }
+ public void copyFrom(RelExpContext ctx) {
+ super.copyFrom(ctx);
+ }
+ }
+ @SuppressWarnings("CheckReturnValue")
+ public static class AddRelExpContext extends RelExpContext {
+ public AddExpContext addExp() {
+ return getRuleContext(AddExpContext.class,0);
+ }
+ public AddRelExpContext(RelExpContext ctx) { copyFrom(ctx); }
+ }
+ @SuppressWarnings("CheckReturnValue")
+ public static class BinaryRelExpContext extends RelExpContext {
+ public Token op;
+ public RelExpContext relExp() {
+ return getRuleContext(RelExpContext.class,0);
+ }
+ public AddExpContext addExp() {
+ return getRuleContext(AddExpContext.class,0);
+ }
+ public TerminalNode LT() { return getToken(SysYParser.LT, 0); }
+ public TerminalNode GT() { return getToken(SysYParser.GT, 0); }
+ public TerminalNode LE() { return getToken(SysYParser.LE, 0); }
+ public TerminalNode GE() { return getToken(SysYParser.GE, 0); }
+ public BinaryRelExpContext(RelExpContext ctx) { copyFrom(ctx); }
+ }
+
+ public final RelExpContext relExp() throws RecognitionException {
+ return relExp(0);
+ }
+
+ private RelExpContext relExp(int _p) throws RecognitionException {
+ ParserRuleContext _parentctx = _ctx;
+ int _parentState = getState();
+ RelExpContext _localctx = new RelExpContext(_ctx, _parentState);
+ RelExpContext _prevctx = _localctx;
+ int _startState = 52;
+ enterRecursionRule(_localctx, 52, RULE_relExp, _p);
+ int _la;
+ try {
+ int _alt;
+ enterOuterAlt(_localctx, 1);
+ {
+ {
+ _localctx = new AddRelExpContext(_localctx);
+ _ctx = _localctx;
+ _prevctx = _localctx;
+
+ setState(311);
+ addExp(0);
+ }
+ _ctx.stop = _input.LT(-1);
+ setState(318);
+ _errHandler.sync(this);
+ _alt = getInterpreter().adaptivePredict(_input,31,_ctx);
+ while ( _alt!=2 && _alt!=org.antlr.v4.runtime.atn.ATN.INVALID_ALT_NUMBER ) {
+ if ( _alt==1 ) {
+ if ( _parseListeners!=null ) triggerExitRuleEvent();
+ _prevctx = _localctx;
+ {
+ {
+ _localctx = new BinaryRelExpContext(new RelExpContext(_parentctx, _parentState));
+ pushNewRecursionContext(_localctx, _startState, RULE_relExp);
+ setState(313);
+ if (!(precpred(_ctx, 1))) throw new FailedPredicateException(this, "precpred(_ctx, 1)");
+ setState(314);
+ ((BinaryRelExpContext)_localctx).op = _input.LT(1);
+ _la = _input.LA(1);
+ if ( !((((_la) & ~0x3f) == 0 && ((1L << _la) & 7864320L) != 0)) ) {
+ ((BinaryRelExpContext)_localctx).op = (Token)_errHandler.recoverInline(this);
+ }
+ else {
+ if ( _input.LA(1)==Token.EOF ) matchedEOF = true;
+ _errHandler.reportMatch(this);
+ consume();
+ }
+ setState(315);
+ addExp(0);
+ }
+ }
+ }
+ setState(320);
+ _errHandler.sync(this);
+ _alt = getInterpreter().adaptivePredict(_input,31,_ctx);
+ }
+ }
+ }
+ catch (RecognitionException re) {
+ _localctx.exception = re;
+ _errHandler.reportError(this, re);
+ _errHandler.recover(this, re);
+ }
+ finally {
+ unrollRecursionContexts(_parentctx);
+ }
+ return _localctx;
+ }
+
+ @SuppressWarnings("CheckReturnValue")
+ public static class EqExpContext extends ParserRuleContext {
+ public EqExpContext(ParserRuleContext parent, int invokingState) {
+ super(parent, invokingState);
+ }
+ @Override public int getRuleIndex() { return RULE_eqExp; }
+
+ public EqExpContext() { }
+ public void copyFrom(EqExpContext ctx) {
+ super.copyFrom(ctx);
+ }
+ }
+ @SuppressWarnings("CheckReturnValue")
+ public static class BinaryEqExpContext extends EqExpContext {
+ public Token op;
+ public EqExpContext eqExp() {
+ return getRuleContext(EqExpContext.class,0);
+ }
+ public RelExpContext relExp() {
+ return getRuleContext(RelExpContext.class,0);
+ }
+ public TerminalNode EQ() { return getToken(SysYParser.EQ, 0); }
+ public TerminalNode NE() { return getToken(SysYParser.NE, 0); }
+ public BinaryEqExpContext(EqExpContext ctx) { copyFrom(ctx); }
+ }
+ @SuppressWarnings("CheckReturnValue")
+ public static class RelEqExpContext extends EqExpContext {
+ public RelExpContext relExp() {
+ return getRuleContext(RelExpContext.class,0);
+ }
+ public RelEqExpContext(EqExpContext ctx) { copyFrom(ctx); }
+ }
+
+ public final EqExpContext eqExp() throws RecognitionException {
+ return eqExp(0);
+ }
+
+ private EqExpContext eqExp(int _p) throws RecognitionException {
+ ParserRuleContext _parentctx = _ctx;
+ int _parentState = getState();
+ EqExpContext _localctx = new EqExpContext(_ctx, _parentState);
+ EqExpContext _prevctx = _localctx;
+ int _startState = 54;
+ enterRecursionRule(_localctx, 54, RULE_eqExp, _p);
+ int _la;
+ try {
+ int _alt;
+ enterOuterAlt(_localctx, 1);
+ {
+ {
+ _localctx = new RelEqExpContext(_localctx);
+ _ctx = _localctx;
+ _prevctx = _localctx;
+
+ setState(322);
+ relExp(0);
+ }
+ _ctx.stop = _input.LT(-1);
+ setState(329);
+ _errHandler.sync(this);
+ _alt = getInterpreter().adaptivePredict(_input,32,_ctx);
+ while ( _alt!=2 && _alt!=org.antlr.v4.runtime.atn.ATN.INVALID_ALT_NUMBER ) {
+ if ( _alt==1 ) {
+ if ( _parseListeners!=null ) triggerExitRuleEvent();
+ _prevctx = _localctx;
+ {
+ {
+ _localctx = new BinaryEqExpContext(new EqExpContext(_parentctx, _parentState));
+ pushNewRecursionContext(_localctx, _startState, RULE_eqExp);
+ setState(324);
+ if (!(precpred(_ctx, 1))) throw new FailedPredicateException(this, "precpred(_ctx, 1)");
+ setState(325);
+ ((BinaryEqExpContext)_localctx).op = _input.LT(1);
+ _la = _input.LA(1);
+ if ( !(_la==EQ || _la==NE) ) {
+ ((BinaryEqExpContext)_localctx).op = (Token)_errHandler.recoverInline(this);
+ }
+ else {
+ if ( _input.LA(1)==Token.EOF ) matchedEOF = true;
+ _errHandler.reportMatch(this);
+ consume();
+ }
+ setState(326);
+ relExp(0);
+ }
+ }
+ }
+ setState(331);
+ _errHandler.sync(this);
+ _alt = getInterpreter().adaptivePredict(_input,32,_ctx);
+ }
+ }
+ }
+ catch (RecognitionException re) {
+ _localctx.exception = re;
+ _errHandler.reportError(this, re);
+ _errHandler.recover(this, re);
+ }
+ finally {
+ unrollRecursionContexts(_parentctx);
+ }
+ return _localctx;
+ }
+
+ @SuppressWarnings("CheckReturnValue")
+ public static class LAndExpContext extends ParserRuleContext {
+ public LAndExpContext(ParserRuleContext parent, int invokingState) {
+ super(parent, invokingState);
+ }
+ @Override public int getRuleIndex() { return RULE_lAndExp; }
+
+ public LAndExpContext() { }
+ public void copyFrom(LAndExpContext ctx) {
+ super.copyFrom(ctx);
+ }
+ }
+ @SuppressWarnings("CheckReturnValue")
+ public static class EqLAndExpContext extends LAndExpContext {
+ public EqExpContext eqExp() {
+ return getRuleContext(EqExpContext.class,0);
+ }
+ public EqLAndExpContext(LAndExpContext ctx) { copyFrom(ctx); }
+ }
+ @SuppressWarnings("CheckReturnValue")
+ public static class BinaryLAndExpContext extends LAndExpContext {
+ public LAndExpContext lAndExp() {
+ return getRuleContext(LAndExpContext.class,0);
+ }
+ public TerminalNode AND() { return getToken(SysYParser.AND, 0); }
+ public EqExpContext eqExp() {
+ return getRuleContext(EqExpContext.class,0);
+ }
+ public BinaryLAndExpContext(LAndExpContext ctx) { copyFrom(ctx); }
+ }
+
+ public final LAndExpContext lAndExp() throws RecognitionException {
+ return lAndExp(0);
+ }
+
+ private LAndExpContext lAndExp(int _p) throws RecognitionException {
+ ParserRuleContext _parentctx = _ctx;
+ int _parentState = getState();
+ LAndExpContext _localctx = new LAndExpContext(_ctx, _parentState);
+ LAndExpContext _prevctx = _localctx;
+ int _startState = 56;
+ enterRecursionRule(_localctx, 56, RULE_lAndExp, _p);
+ try {
+ int _alt;
+ enterOuterAlt(_localctx, 1);
+ {
+ {
+ _localctx = new EqLAndExpContext(_localctx);
+ _ctx = _localctx;
+ _prevctx = _localctx;
+
+ setState(333);
+ eqExp(0);
+ }
+ _ctx.stop = _input.LT(-1);
+ setState(340);
+ _errHandler.sync(this);
+ _alt = getInterpreter().adaptivePredict(_input,33,_ctx);
+ while ( _alt!=2 && _alt!=org.antlr.v4.runtime.atn.ATN.INVALID_ALT_NUMBER ) {
+ if ( _alt==1 ) {
+ if ( _parseListeners!=null ) triggerExitRuleEvent();
+ _prevctx = _localctx;
+ {
+ {
+ _localctx = new BinaryLAndExpContext(new LAndExpContext(_parentctx, _parentState));
+ pushNewRecursionContext(_localctx, _startState, RULE_lAndExp);
+ setState(335);
+ if (!(precpred(_ctx, 1))) throw new FailedPredicateException(this, "precpred(_ctx, 1)");
+ setState(336);
+ match(AND);
+ setState(337);
+ eqExp(0);
+ }
+ }
+ }
+ setState(342);
+ _errHandler.sync(this);
+ _alt = getInterpreter().adaptivePredict(_input,33,_ctx);
+ }
+ }
+ }
+ catch (RecognitionException re) {
+ _localctx.exception = re;
+ _errHandler.reportError(this, re);
+ _errHandler.recover(this, re);
+ }
+ finally {
+ unrollRecursionContexts(_parentctx);
+ }
+ return _localctx;
+ }
+
+ @SuppressWarnings("CheckReturnValue")
+ public static class LOrExpContext extends ParserRuleContext {
+ public LOrExpContext(ParserRuleContext parent, int invokingState) {
+ super(parent, invokingState);
+ }
+ @Override public int getRuleIndex() { return RULE_lOrExp; }
+
+ public LOrExpContext() { }
+ public void copyFrom(LOrExpContext ctx) {
+ super.copyFrom(ctx);
+ }
+ }
+ @SuppressWarnings("CheckReturnValue")
+ public static class AndLOrExpContext extends LOrExpContext {
+ public LAndExpContext lAndExp() {
+ return getRuleContext(LAndExpContext.class,0);
+ }
+ public AndLOrExpContext(LOrExpContext ctx) { copyFrom(ctx); }
+ }
+ @SuppressWarnings("CheckReturnValue")
+ public static class BinaryLOrExpContext extends LOrExpContext {
+ public LOrExpContext lOrExp() {
+ return getRuleContext(LOrExpContext.class,0);
+ }
+ public TerminalNode OR() { return getToken(SysYParser.OR, 0); }
+ public LAndExpContext lAndExp() {
+ return getRuleContext(LAndExpContext.class,0);
+ }
+ public BinaryLOrExpContext(LOrExpContext ctx) { copyFrom(ctx); }
+ }
+
+ public final LOrExpContext lOrExp() throws RecognitionException {
+ return lOrExp(0);
+ }
+
+ private LOrExpContext lOrExp(int _p) throws RecognitionException {
+ ParserRuleContext _parentctx = _ctx;
+ int _parentState = getState();
+ LOrExpContext _localctx = new LOrExpContext(_ctx, _parentState);
+ LOrExpContext _prevctx = _localctx;
+ int _startState = 58;
+ enterRecursionRule(_localctx, 58, RULE_lOrExp, _p);
+ try {
+ int _alt;
+ enterOuterAlt(_localctx, 1);
+ {
+ {
+ _localctx = new AndLOrExpContext(_localctx);
+ _ctx = _localctx;
+ _prevctx = _localctx;
+
+ setState(344);
+ lAndExp(0);
+ }
+ _ctx.stop = _input.LT(-1);
+ setState(351);
+ _errHandler.sync(this);
+ _alt = getInterpreter().adaptivePredict(_input,34,_ctx);
+ while ( _alt!=2 && _alt!=org.antlr.v4.runtime.atn.ATN.INVALID_ALT_NUMBER ) {
+ if ( _alt==1 ) {
+ if ( _parseListeners!=null ) triggerExitRuleEvent();
+ _prevctx = _localctx;
+ {
+ {
+ _localctx = new BinaryLOrExpContext(new LOrExpContext(_parentctx, _parentState));
+ pushNewRecursionContext(_localctx, _startState, RULE_lOrExp);
+ setState(346);
+ if (!(precpred(_ctx, 1))) throw new FailedPredicateException(this, "precpred(_ctx, 1)");
+ setState(347);
+ match(OR);
+ setState(348);
+ lAndExp(0);
+ }
+ }
+ }
+ setState(353);
+ _errHandler.sync(this);
+ _alt = getInterpreter().adaptivePredict(_input,34,_ctx);
+ }
+ }
+ }
+ catch (RecognitionException re) {
+ _localctx.exception = re;
+ _errHandler.reportError(this, re);
+ _errHandler.recover(this, re);
+ }
+ finally {
+ unrollRecursionContexts(_parentctx);
+ }
+ return _localctx;
+ }
+
+ @SuppressWarnings("CheckReturnValue")
+ public static class ConstExpContext extends ParserRuleContext {
+ public AddExpContext addExp() {
+ return getRuleContext(AddExpContext.class,0);
+ }
+ public ConstExpContext(ParserRuleContext parent, int invokingState) {
+ super(parent, invokingState);
+ }
+ @Override public int getRuleIndex() { return RULE_constExp; }
+ }
+
+ public final ConstExpContext constExp() throws RecognitionException {
+ ConstExpContext _localctx = new ConstExpContext(_ctx, getState());
+ enterRule(_localctx, 60, RULE_constExp);
+ try {
+ enterOuterAlt(_localctx, 1);
+ {
+ setState(354);
+ addExp(0);
+ }
+ }
+ catch (RecognitionException re) {
+ _localctx.exception = re;
+ _errHandler.reportError(this, re);
+ _errHandler.recover(this, re);
+ }
+ finally {
+ exitRule();
+ }
+ return _localctx;
+ }
+
+ public boolean sempred(RuleContext _localctx, int ruleIndex, int predIndex) {
+ switch (ruleIndex) {
+ case 24:
+ return mulExp_sempred((MulExpContext)_localctx, predIndex);
+ case 25:
+ return addExp_sempred((AddExpContext)_localctx, predIndex);
+ case 26:
+ return relExp_sempred((RelExpContext)_localctx, predIndex);
+ case 27:
+ return eqExp_sempred((EqExpContext)_localctx, predIndex);
+ case 28:
+ return lAndExp_sempred((LAndExpContext)_localctx, predIndex);
+ case 29:
+ return lOrExp_sempred((LOrExpContext)_localctx, predIndex);
+ }
+ return true;
+ }
+ private boolean mulExp_sempred(MulExpContext _localctx, int predIndex) {
+ switch (predIndex) {
+ case 0:
+ return precpred(_ctx, 1);
+ }
+ return true;
+ }
+ private boolean addExp_sempred(AddExpContext _localctx, int predIndex) {
+ switch (predIndex) {
+ case 1:
+ return precpred(_ctx, 1);
+ }
+ return true;
+ }
+ private boolean relExp_sempred(RelExpContext _localctx, int predIndex) {
+ switch (predIndex) {
+ case 2:
+ return precpred(_ctx, 1);
+ }
+ return true;
+ }
+ private boolean eqExp_sempred(EqExpContext _localctx, int predIndex) {
+ switch (predIndex) {
+ case 3:
+ return precpred(_ctx, 1);
+ }
+ return true;
+ }
+ private boolean lAndExp_sempred(LAndExpContext _localctx, int predIndex) {
+ switch (predIndex) {
+ case 4:
+ return precpred(_ctx, 1);
+ }
+ return true;
+ }
+ private boolean lOrExp_sempred(LOrExpContext _localctx, int predIndex) {
+ switch (predIndex) {
+ case 5:
+ return precpred(_ctx, 1);
+ }
+ return true;
+ }
+
+ public static final String _serializedATN =
+ "\u0004\u0001\'\u0165\u0002\u0000\u0007\u0000\u0002\u0001\u0007\u0001\u0002"+
+ "\u0002\u0007\u0002\u0002\u0003\u0007\u0003\u0002\u0004\u0007\u0004\u0002"+
+ "\u0005\u0007\u0005\u0002\u0006\u0007\u0006\u0002\u0007\u0007\u0007\u0002"+
+ "\b\u0007\b\u0002\t\u0007\t\u0002\n\u0007\n\u0002\u000b\u0007\u000b\u0002"+
+ "\f\u0007\f\u0002\r\u0007\r\u0002\u000e\u0007\u000e\u0002\u000f\u0007\u000f"+
+ "\u0002\u0010\u0007\u0010\u0002\u0011\u0007\u0011\u0002\u0012\u0007\u0012"+
+ "\u0002\u0013\u0007\u0013\u0002\u0014\u0007\u0014\u0002\u0015\u0007\u0015"+
+ "\u0002\u0016\u0007\u0016\u0002\u0017\u0007\u0017\u0002\u0018\u0007\u0018"+
+ "\u0002\u0019\u0007\u0019\u0002\u001a\u0007\u001a\u0002\u001b\u0007\u001b"+
+ "\u0002\u001c\u0007\u001c\u0002\u001d\u0007\u001d\u0002\u001e\u0007\u001e"+
+ "\u0001\u0000\u0001\u0000\u0004\u0000A\b\u0000\u000b\u0000\f\u0000B\u0001"+
+ "\u0000\u0001\u0000\u0001\u0001\u0001\u0001\u0003\u0001I\b\u0001\u0001"+
+ "\u0002\u0001\u0002\u0001\u0002\u0001\u0002\u0001\u0002\u0005\u0002P\b"+
+ "\u0002\n\u0002\f\u0002S\t\u0002\u0001\u0002\u0001\u0002\u0001\u0003\u0001"+
+ "\u0003\u0001\u0004\u0001\u0004\u0001\u0004\u0001\u0004\u0001\u0004\u0005"+
+ "\u0004^\b\u0004\n\u0004\f\u0004a\t\u0004\u0001\u0004\u0001\u0004\u0001"+
+ "\u0004\u0001\u0005\u0001\u0005\u0001\u0005\u0001\u0005\u0001\u0005\u0005"+
+ "\u0005k\b\u0005\n\u0005\f\u0005n\t\u0005\u0003\u0005p\b\u0005\u0001\u0005"+
+ "\u0003\u0005s\b\u0005\u0001\u0006\u0001\u0006\u0001\u0006\u0001\u0006"+
+ "\u0005\u0006y\b\u0006\n\u0006\f\u0006|\t\u0006\u0001\u0006\u0001\u0006"+
+ "\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0001\u0007\u0005\u0007"+
+ "\u0085\b\u0007\n\u0007\f\u0007\u0088\t\u0007\u0001\u0007\u0001\u0007\u0003"+
+ "\u0007\u008c\b\u0007\u0001\b\u0001\b\u0001\b\u0001\b\u0001\b\u0005\b\u0093"+
+ "\b\b\n\b\f\b\u0096\t\b\u0003\b\u0098\b\b\u0001\b\u0003\b\u009b\b\b\u0001"+
+ "\t\u0001\t\u0001\t\u0001\t\u0003\t\u00a1\b\t\u0001\t\u0001\t\u0001\t\u0001"+
+ "\n\u0001\n\u0001\u000b\u0001\u000b\u0001\u000b\u0005\u000b\u00ab\b\u000b"+
+ "\n\u000b\f\u000b\u00ae\t\u000b\u0001\f\u0001\f\u0001\f\u0001\f\u0001\f"+
+ "\u0001\f\u0001\f\u0001\f\u0001\f\u0001\f\u0001\f\u0005\f\u00bb\b\f\n\f"+
+ "\f\f\u00be\t\f\u0003\f\u00c0\b\f\u0001\r\u0001\r\u0005\r\u00c4\b\r\n\r"+
+ "\f\r\u00c7\t\r\u0001\r\u0001\r\u0001\u000e\u0001\u000e\u0003\u000e\u00cd"+
+ "\b\u000e\u0001\u000f\u0001\u000f\u0001\u000f\u0001\u000f\u0001\u000f\u0001"+
+ "\u000f\u0003\u000f\u00d5\b\u000f\u0001\u000f\u0001\u000f\u0001\u000f\u0001"+
+ "\u000f\u0001\u000f\u0001\u000f\u0001\u000f\u0001\u000f\u0001\u000f\u0003"+
+ "\u000f\u00e0\b\u000f\u0001\u000f\u0001\u000f\u0001\u000f\u0001\u000f\u0001"+
+ "\u000f\u0001\u000f\u0001\u000f\u0001\u000f\u0001\u000f\u0001\u000f\u0001"+
+ "\u000f\u0001\u000f\u0003\u000f\u00ee\b\u000f\u0001\u000f\u0003\u000f\u00f1"+
+ "\b\u000f\u0001\u0010\u0001\u0010\u0001\u0011\u0001\u0011\u0001\u0012\u0001"+
+ "\u0012\u0001\u0012\u0001\u0012\u0001\u0012\u0005\u0012\u00fc\b\u0012\n"+
+ "\u0012\f\u0012\u00ff\t\u0012\u0001\u0013\u0001\u0013\u0001\u0013\u0001"+
+ "\u0013\u0001\u0013\u0001\u0013\u0003\u0013\u0107\b\u0013\u0001\u0014\u0001"+
+ "\u0014\u0001\u0015\u0001\u0015\u0001\u0015\u0001\u0015\u0003\u0015\u010f"+
+ "\b\u0015\u0001\u0015\u0001\u0015\u0001\u0015\u0001\u0015\u0003\u0015\u0115"+
+ "\b\u0015\u0001\u0016\u0001\u0016\u0001\u0017\u0001\u0017\u0001\u0017\u0005"+
+ "\u0017\u011c\b\u0017\n\u0017\f\u0017\u011f\t\u0017\u0001\u0018\u0001\u0018"+
+ "\u0001\u0018\u0001\u0018\u0001\u0018\u0001\u0018\u0005\u0018\u0127\b\u0018"+
+ "\n\u0018\f\u0018\u012a\t\u0018\u0001\u0019\u0001\u0019\u0001\u0019\u0001"+
+ "\u0019\u0001\u0019\u0001\u0019\u0005\u0019\u0132\b\u0019\n\u0019\f\u0019"+
+ "\u0135\t\u0019\u0001\u001a\u0001\u001a\u0001\u001a\u0001\u001a\u0001\u001a"+
+ "\u0001\u001a\u0005\u001a\u013d\b\u001a\n\u001a\f\u001a\u0140\t\u001a\u0001"+
+ "\u001b\u0001\u001b\u0001\u001b\u0001\u001b\u0001\u001b\u0001\u001b\u0005"+
+ "\u001b\u0148\b\u001b\n\u001b\f\u001b\u014b\t\u001b\u0001\u001c\u0001\u001c"+
+ "\u0001\u001c\u0001\u001c\u0001\u001c\u0001\u001c\u0005\u001c\u0153\b\u001c"+
+ "\n\u001c\f\u001c\u0156\t\u001c\u0001\u001d\u0001\u001d\u0001\u001d\u0001"+
+ "\u001d\u0001\u001d\u0001\u001d\u0005\u001d\u015e\b\u001d\n\u001d\f\u001d"+
+ "\u0161\t\u001d\u0001\u001e\u0001\u001e\u0001\u001e\u0000\u000602468:\u001f"+
+ "\u0000\u0002\u0004\u0006\b\n\f\u000e\u0010\u0012\u0014\u0016\u0018\u001a"+
+ "\u001c\u001e \"$&(*,.02468:<\u0000\b\u0001\u0000\u0002\u0003\u0001\u0000"+
+ "\u0002\u0004\u0001\u0000#$\u0002\u0000\u000b\f\u0017\u0017\u0001\u0000"+
+ "\r\u000f\u0001\u0000\u000b\f\u0001\u0000\u0013\u0016\u0001\u0000\u0011"+
+ "\u0012\u0170\u0000@\u0001\u0000\u0000\u0000\u0002H\u0001\u0000\u0000\u0000"+
+ "\u0004J\u0001\u0000\u0000\u0000\u0006V\u0001\u0000\u0000\u0000\bX\u0001"+
+ "\u0000\u0000\u0000\nr\u0001\u0000\u0000\u0000\ft\u0001\u0000\u0000\u0000"+
+ "\u000e\u007f\u0001\u0000\u0000\u0000\u0010\u009a\u0001\u0000\u0000\u0000"+
+ "\u0012\u009c\u0001\u0000\u0000\u0000\u0014\u00a5\u0001\u0000\u0000\u0000"+
+ "\u0016\u00a7\u0001\u0000\u0000\u0000\u0018\u00bf\u0001\u0000\u0000\u0000"+
+ "\u001a\u00c1\u0001\u0000\u0000\u0000\u001c\u00cc\u0001\u0000\u0000\u0000"+
+ "\u001e\u00f0\u0001\u0000\u0000\u0000 \u00f2\u0001\u0000\u0000\u0000\""+
+ "\u00f4\u0001\u0000\u0000\u0000$\u00f6\u0001\u0000\u0000\u0000&\u0106\u0001"+
+ "\u0000\u0000\u0000(\u0108\u0001\u0000\u0000\u0000*\u0114\u0001\u0000\u0000"+
+ "\u0000,\u0116\u0001\u0000\u0000\u0000.\u0118\u0001\u0000\u0000\u00000"+
+ "\u0120\u0001\u0000\u0000\u00002\u012b\u0001\u0000\u0000\u00004\u0136\u0001"+
+ "\u0000\u0000\u00006\u0141\u0001\u0000\u0000\u00008\u014c\u0001\u0000\u0000"+
+ "\u0000:\u0157\u0001\u0000\u0000\u0000<\u0162\u0001\u0000\u0000\u0000>"+
+ "A\u0003\u0002\u0001\u0000?A\u0003\u0012\t\u0000@>\u0001\u0000\u0000\u0000"+
+ "@?\u0001\u0000\u0000\u0000AB\u0001\u0000\u0000\u0000B@\u0001\u0000\u0000"+
+ "\u0000BC\u0001\u0000\u0000\u0000CD\u0001\u0000\u0000\u0000DE\u0005\u0000"+
+ "\u0000\u0001E\u0001\u0001\u0000\u0000\u0000FI\u0003\u0004\u0002\u0000"+
+ "GI\u0003\f\u0006\u0000HF\u0001\u0000\u0000\u0000HG\u0001\u0000\u0000\u0000"+
+ "I\u0003\u0001\u0000\u0000\u0000JK\u0005\u0001\u0000\u0000KL\u0003\u0006"+
+ "\u0003\u0000LQ\u0003\b\u0004\u0000MN\u0005 \u0000\u0000NP\u0003\b\u0004"+
+ "\u0000OM\u0001\u0000\u0000\u0000PS\u0001\u0000\u0000\u0000QO\u0001\u0000"+
+ "\u0000\u0000QR\u0001\u0000\u0000\u0000RT\u0001\u0000\u0000\u0000SQ\u0001"+
+ "\u0000\u0000\u0000TU\u0005!\u0000\u0000U\u0005\u0001\u0000\u0000\u0000"+
+ "VW\u0007\u0000\u0000\u0000W\u0007\u0001\u0000\u0000\u0000X_\u0005\"\u0000"+
+ "\u0000YZ\u0005\u001c\u0000\u0000Z[\u0003<\u001e\u0000[\\\u0005\u001d\u0000"+
+ "\u0000\\^\u0001\u0000\u0000\u0000]Y\u0001\u0000\u0000\u0000^a\u0001\u0000"+
+ "\u0000\u0000_]\u0001\u0000\u0000\u0000_`\u0001\u0000\u0000\u0000`b\u0001"+
+ "\u0000\u0000\u0000a_\u0001\u0000\u0000\u0000bc\u0005\u0010\u0000\u0000"+
+ "cd\u0003\n\u0005\u0000d\t\u0001\u0000\u0000\u0000es\u0003<\u001e\u0000"+
+ "fo\u0005\u001e\u0000\u0000gl\u0003\n\u0005\u0000hi\u0005 \u0000\u0000"+
+ "ik\u0003\n\u0005\u0000jh\u0001\u0000\u0000\u0000kn\u0001\u0000\u0000\u0000"+
+ "lj\u0001\u0000\u0000\u0000lm\u0001\u0000\u0000\u0000mp\u0001\u0000\u0000"+
+ "\u0000nl\u0001\u0000\u0000\u0000og\u0001\u0000\u0000\u0000op\u0001\u0000"+
+ "\u0000\u0000pq\u0001\u0000\u0000\u0000qs\u0005\u001f\u0000\u0000re\u0001"+
+ "\u0000\u0000\u0000rf\u0001\u0000\u0000\u0000s\u000b\u0001\u0000\u0000"+
+ "\u0000tu\u0003\u0006\u0003\u0000uz\u0003\u000e\u0007\u0000vw\u0005 \u0000"+
+ "\u0000wy\u0003\u000e\u0007\u0000xv\u0001\u0000\u0000\u0000y|\u0001\u0000"+
+ "\u0000\u0000zx\u0001\u0000\u0000\u0000z{\u0001\u0000\u0000\u0000{}\u0001"+
+ "\u0000\u0000\u0000|z\u0001\u0000\u0000\u0000}~\u0005!\u0000\u0000~\r\u0001"+
+ "\u0000\u0000\u0000\u007f\u0086\u0005\"\u0000\u0000\u0080\u0081\u0005\u001c"+
+ "\u0000\u0000\u0081\u0082\u0003<\u001e\u0000\u0082\u0083\u0005\u001d\u0000"+
+ "\u0000\u0083\u0085\u0001\u0000\u0000\u0000\u0084\u0080\u0001\u0000\u0000"+
+ "\u0000\u0085\u0088\u0001\u0000\u0000\u0000\u0086\u0084\u0001\u0000\u0000"+
+ "\u0000\u0086\u0087\u0001\u0000\u0000\u0000\u0087\u008b\u0001\u0000\u0000"+
+ "\u0000\u0088\u0086\u0001\u0000\u0000\u0000\u0089\u008a\u0005\u0010\u0000"+
+ "\u0000\u008a\u008c\u0003\u0010\b\u0000\u008b\u0089\u0001\u0000\u0000\u0000"+
+ "\u008b\u008c\u0001\u0000\u0000\u0000\u008c\u000f\u0001\u0000\u0000\u0000"+
+ "\u008d\u009b\u0003 \u0010\u0000\u008e\u0097\u0005\u001e\u0000\u0000\u008f"+
+ "\u0094\u0003\u0010\b\u0000\u0090\u0091\u0005 \u0000\u0000\u0091\u0093"+
+ "\u0003\u0010\b\u0000\u0092\u0090\u0001\u0000\u0000\u0000\u0093\u0096\u0001"+
+ "\u0000\u0000\u0000\u0094\u0092\u0001\u0000\u0000\u0000\u0094\u0095\u0001"+
+ "\u0000\u0000\u0000\u0095\u0098\u0001\u0000\u0000\u0000\u0096\u0094\u0001"+
+ "\u0000\u0000\u0000\u0097\u008f\u0001\u0000\u0000\u0000\u0097\u0098\u0001"+
+ "\u0000\u0000\u0000\u0098\u0099\u0001\u0000\u0000\u0000\u0099\u009b\u0005"+
+ "\u001f\u0000\u0000\u009a\u008d\u0001\u0000\u0000\u0000\u009a\u008e\u0001"+
+ "\u0000\u0000\u0000\u009b\u0011\u0001\u0000\u0000\u0000\u009c\u009d\u0003"+
+ "\u0014\n\u0000\u009d\u009e\u0005\"\u0000\u0000\u009e\u00a0\u0005\u001a"+
+ "\u0000\u0000\u009f\u00a1\u0003\u0016\u000b\u0000\u00a0\u009f\u0001\u0000"+
+ "\u0000\u0000\u00a0\u00a1\u0001\u0000\u0000\u0000\u00a1\u00a2\u0001\u0000"+
+ "\u0000\u0000\u00a2\u00a3\u0005\u001b\u0000\u0000\u00a3\u00a4\u0003\u001a"+
+ "\r\u0000\u00a4\u0013\u0001\u0000\u0000\u0000\u00a5\u00a6\u0007\u0001\u0000"+
+ "\u0000\u00a6\u0015\u0001\u0000\u0000\u0000\u00a7\u00ac\u0003\u0018\f\u0000"+
+ "\u00a8\u00a9\u0005 \u0000\u0000\u00a9\u00ab\u0003\u0018\f\u0000\u00aa"+
+ "\u00a8\u0001\u0000\u0000\u0000\u00ab\u00ae\u0001\u0000\u0000\u0000\u00ac"+
+ "\u00aa\u0001\u0000\u0000\u0000\u00ac\u00ad\u0001\u0000\u0000\u0000\u00ad"+
+ "\u0017\u0001\u0000\u0000\u0000\u00ae\u00ac\u0001\u0000\u0000\u0000\u00af"+
+ "\u00b0\u0003\u0006\u0003\u0000\u00b0\u00b1\u0005\"\u0000\u0000\u00b1\u00c0"+
+ "\u0001\u0000\u0000\u0000\u00b2\u00b3\u0003\u0006\u0003\u0000\u00b3\u00b4"+
+ "\u0005\"\u0000\u0000\u00b4\u00b5\u0005\u001c\u0000\u0000\u00b5\u00bc\u0005"+
+ "\u001d\u0000\u0000\u00b6\u00b7\u0005\u001c\u0000\u0000\u00b7\u00b8\u0003"+
+ " \u0010\u0000\u00b8\u00b9\u0005\u001d\u0000\u0000\u00b9\u00bb\u0001\u0000"+
+ "\u0000\u0000\u00ba\u00b6\u0001\u0000\u0000\u0000\u00bb\u00be\u0001\u0000"+
+ "\u0000\u0000\u00bc\u00ba\u0001\u0000\u0000\u0000\u00bc\u00bd\u0001\u0000"+
+ "\u0000\u0000\u00bd\u00c0\u0001\u0000\u0000\u0000\u00be\u00bc\u0001\u0000"+
+ "\u0000\u0000\u00bf\u00af\u0001\u0000\u0000\u0000\u00bf\u00b2\u0001\u0000"+
+ "\u0000\u0000\u00c0\u0019\u0001\u0000\u0000\u0000\u00c1\u00c5\u0005\u001e"+
+ "\u0000\u0000\u00c2\u00c4\u0003\u001c\u000e\u0000\u00c3\u00c2\u0001\u0000"+
+ "\u0000\u0000\u00c4\u00c7\u0001\u0000\u0000\u0000\u00c5\u00c3\u0001\u0000"+
+ "\u0000\u0000\u00c5\u00c6\u0001\u0000\u0000\u0000\u00c6\u00c8\u0001\u0000"+
+ "\u0000\u0000\u00c7\u00c5\u0001\u0000\u0000\u0000\u00c8\u00c9\u0005\u001f"+
+ "\u0000\u0000\u00c9\u001b\u0001\u0000\u0000\u0000\u00ca\u00cd\u0003\u0002"+
+ "\u0001\u0000\u00cb\u00cd\u0003\u001e\u000f\u0000\u00cc\u00ca\u0001\u0000"+
+ "\u0000\u0000\u00cc\u00cb\u0001\u0000\u0000\u0000\u00cd\u001d\u0001\u0000"+
+ "\u0000\u0000\u00ce\u00cf\u0003$\u0012\u0000\u00cf\u00d0\u0005\u0010\u0000"+
+ "\u0000\u00d0\u00d1\u0003 \u0010\u0000\u00d1\u00d2\u0005!\u0000\u0000\u00d2"+
+ "\u00f1\u0001\u0000\u0000\u0000\u00d3\u00d5\u0003 \u0010\u0000\u00d4\u00d3"+
+ "\u0001\u0000\u0000\u0000\u00d4\u00d5\u0001\u0000\u0000\u0000\u00d5\u00d6"+
+ "\u0001\u0000\u0000\u0000\u00d6\u00f1\u0005!\u0000\u0000\u00d7\u00f1\u0003"+
+ "\u001a\r\u0000\u00d8\u00d9\u0005\u0005\u0000\u0000\u00d9\u00da\u0005\u001a"+
+ "\u0000\u0000\u00da\u00db\u0003\"\u0011\u0000\u00db\u00dc\u0005\u001b\u0000"+
+ "\u0000\u00dc\u00df\u0003\u001e\u000f\u0000\u00dd\u00de\u0005\u0006\u0000"+
+ "\u0000\u00de\u00e0\u0003\u001e\u000f\u0000\u00df\u00dd\u0001\u0000\u0000"+
+ "\u0000\u00df\u00e0\u0001\u0000\u0000\u0000\u00e0\u00f1\u0001\u0000\u0000"+
+ "\u0000\u00e1\u00e2\u0005\u0007\u0000\u0000\u00e2\u00e3\u0005\u001a\u0000"+
+ "\u0000\u00e3\u00e4\u0003\"\u0011\u0000\u00e4\u00e5\u0005\u001b\u0000\u0000"+
+ "\u00e5\u00e6\u0003\u001e\u000f\u0000\u00e6\u00f1\u0001\u0000\u0000\u0000"+
+ "\u00e7\u00e8\u0005\b\u0000\u0000\u00e8\u00f1\u0005!\u0000\u0000\u00e9"+
+ "\u00ea\u0005\t\u0000\u0000\u00ea\u00f1\u0005!\u0000\u0000\u00eb\u00ed"+
+ "\u0005\n\u0000\u0000\u00ec\u00ee\u0003 \u0010\u0000\u00ed\u00ec\u0001"+
+ "\u0000\u0000\u0000\u00ed\u00ee\u0001\u0000\u0000\u0000\u00ee\u00ef\u0001"+
+ "\u0000\u0000\u0000\u00ef\u00f1\u0005!\u0000\u0000\u00f0\u00ce\u0001\u0000"+
+ "\u0000\u0000\u00f0\u00d4\u0001\u0000\u0000\u0000\u00f0\u00d7\u0001\u0000"+
+ "\u0000\u0000\u00f0\u00d8\u0001\u0000\u0000\u0000\u00f0\u00e1\u0001\u0000"+
+ "\u0000\u0000\u00f0\u00e7\u0001\u0000\u0000\u0000\u00f0\u00e9\u0001\u0000"+
+ "\u0000\u0000\u00f0\u00eb\u0001\u0000\u0000\u0000\u00f1\u001f\u0001\u0000"+
+ "\u0000\u0000\u00f2\u00f3\u00032\u0019\u0000\u00f3!\u0001\u0000\u0000\u0000"+
+ "\u00f4\u00f5\u0003:\u001d\u0000\u00f5#\u0001\u0000\u0000\u0000\u00f6\u00fd"+
+ "\u0005\"\u0000\u0000\u00f7\u00f8\u0005\u001c\u0000\u0000\u00f8\u00f9\u0003"+
+ " \u0010\u0000\u00f9\u00fa\u0005\u001d\u0000\u0000\u00fa\u00fc\u0001\u0000"+
+ "\u0000\u0000\u00fb\u00f7\u0001\u0000\u0000\u0000\u00fc\u00ff\u0001\u0000"+
+ "\u0000\u0000\u00fd\u00fb\u0001\u0000\u0000\u0000\u00fd\u00fe\u0001\u0000"+
+ "\u0000\u0000\u00fe%\u0001\u0000\u0000\u0000\u00ff\u00fd\u0001\u0000\u0000"+
+ "\u0000\u0100\u0101\u0005\u001a\u0000\u0000\u0101\u0102\u0003 \u0010\u0000"+
+ "\u0102\u0103\u0005\u001b\u0000\u0000\u0103\u0107\u0001\u0000\u0000\u0000"+
+ "\u0104\u0107\u0003$\u0012\u0000\u0105\u0107\u0003(\u0014\u0000\u0106\u0100"+
+ "\u0001\u0000\u0000\u0000\u0106\u0104\u0001\u0000\u0000\u0000\u0106\u0105"+
+ "\u0001\u0000\u0000\u0000\u0107\'\u0001\u0000\u0000\u0000\u0108\u0109\u0007"+
+ "\u0002\u0000\u0000\u0109)\u0001\u0000\u0000\u0000\u010a\u0115\u0003&\u0013"+
+ "\u0000\u010b\u010c\u0005\"\u0000\u0000\u010c\u010e\u0005\u001a\u0000\u0000"+
+ "\u010d\u010f\u0003.\u0017\u0000\u010e\u010d\u0001\u0000\u0000\u0000\u010e"+
+ "\u010f\u0001\u0000\u0000\u0000\u010f\u0110\u0001\u0000\u0000\u0000\u0110"+
+ "\u0115\u0005\u001b\u0000\u0000\u0111\u0112\u0003,\u0016\u0000\u0112\u0113"+
+ "\u0003*\u0015\u0000\u0113\u0115\u0001\u0000\u0000\u0000\u0114\u010a\u0001"+
+ "\u0000\u0000\u0000\u0114\u010b\u0001\u0000\u0000\u0000\u0114\u0111\u0001"+
+ "\u0000\u0000\u0000\u0115+\u0001\u0000\u0000\u0000\u0116\u0117\u0007\u0003"+
+ "\u0000\u0000\u0117-\u0001\u0000\u0000\u0000\u0118\u011d\u0003 \u0010\u0000"+
+ "\u0119\u011a\u0005 \u0000\u0000\u011a\u011c\u0003 \u0010\u0000\u011b\u0119"+
+ "\u0001\u0000\u0000\u0000\u011c\u011f\u0001\u0000\u0000\u0000\u011d\u011b"+
+ "\u0001\u0000\u0000\u0000\u011d\u011e\u0001\u0000\u0000\u0000\u011e/\u0001"+
+ "\u0000\u0000\u0000\u011f\u011d\u0001\u0000\u0000\u0000\u0120\u0121\u0006"+
+ "\u0018\uffff\uffff\u0000\u0121\u0122\u0003*\u0015\u0000\u0122\u0128\u0001"+
+ "\u0000\u0000\u0000\u0123\u0124\n\u0001\u0000\u0000\u0124\u0125\u0007\u0004"+
+ "\u0000\u0000\u0125\u0127\u0003*\u0015\u0000\u0126\u0123\u0001\u0000\u0000"+
+ "\u0000\u0127\u012a\u0001\u0000\u0000\u0000\u0128\u0126\u0001\u0000\u0000"+
+ "\u0000\u0128\u0129\u0001\u0000\u0000\u0000\u01291\u0001\u0000\u0000\u0000"+
+ "\u012a\u0128\u0001\u0000\u0000\u0000\u012b\u012c\u0006\u0019\uffff\uffff"+
+ "\u0000\u012c\u012d\u00030\u0018\u0000\u012d\u0133\u0001\u0000\u0000\u0000"+
+ "\u012e\u012f\n\u0001\u0000\u0000\u012f\u0130\u0007\u0005\u0000\u0000\u0130"+
+ "\u0132\u00030\u0018\u0000\u0131\u012e\u0001\u0000\u0000\u0000\u0132\u0135"+
+ "\u0001\u0000\u0000\u0000\u0133\u0131\u0001\u0000\u0000\u0000\u0133\u0134"+
+ "\u0001\u0000\u0000\u0000\u01343\u0001\u0000\u0000\u0000\u0135\u0133\u0001"+
+ "\u0000\u0000\u0000\u0136\u0137\u0006\u001a\uffff\uffff\u0000\u0137\u0138"+
+ "\u00032\u0019\u0000\u0138\u013e\u0001\u0000\u0000\u0000\u0139\u013a\n"+
+ "\u0001\u0000\u0000\u013a\u013b\u0007\u0006\u0000\u0000\u013b\u013d\u0003"+
+ "2\u0019\u0000\u013c\u0139\u0001\u0000\u0000\u0000\u013d\u0140\u0001\u0000"+
+ "\u0000\u0000\u013e\u013c\u0001\u0000\u0000\u0000\u013e\u013f\u0001\u0000"+
+ "\u0000\u0000\u013f5\u0001\u0000\u0000\u0000\u0140\u013e\u0001\u0000\u0000"+
+ "\u0000\u0141\u0142\u0006\u001b\uffff\uffff\u0000\u0142\u0143\u00034\u001a"+
+ "\u0000\u0143\u0149\u0001\u0000\u0000\u0000\u0144\u0145\n\u0001\u0000\u0000"+
+ "\u0145\u0146\u0007\u0007\u0000\u0000\u0146\u0148\u00034\u001a\u0000\u0147"+
+ "\u0144\u0001\u0000\u0000\u0000\u0148\u014b\u0001\u0000\u0000\u0000\u0149"+
+ "\u0147\u0001\u0000\u0000\u0000\u0149\u014a\u0001\u0000\u0000\u0000\u014a"+
+ "7\u0001\u0000\u0000\u0000\u014b\u0149\u0001\u0000\u0000\u0000\u014c\u014d"+
+ "\u0006\u001c\uffff\uffff\u0000\u014d\u014e\u00036\u001b\u0000\u014e\u0154"+
+ "\u0001\u0000\u0000\u0000\u014f\u0150\n\u0001\u0000\u0000\u0150\u0151\u0005"+
+ "\u0018\u0000\u0000\u0151\u0153\u00036\u001b\u0000\u0152\u014f\u0001\u0000"+
+ "\u0000\u0000\u0153\u0156\u0001\u0000\u0000\u0000\u0154\u0152\u0001\u0000"+
+ "\u0000\u0000\u0154\u0155\u0001\u0000\u0000\u0000\u01559\u0001\u0000\u0000"+
+ "\u0000\u0156\u0154\u0001\u0000\u0000\u0000\u0157\u0158\u0006\u001d\uffff"+
+ "\uffff\u0000\u0158\u0159\u00038\u001c\u0000\u0159\u015f\u0001\u0000\u0000"+
+ "\u0000\u015a\u015b\n\u0001\u0000\u0000\u015b\u015c\u0005\u0019\u0000\u0000"+
+ "\u015c\u015e\u00038\u001c\u0000\u015d\u015a\u0001\u0000\u0000\u0000\u015e"+
+ "\u0161\u0001\u0000\u0000\u0000\u015f\u015d\u0001\u0000\u0000\u0000\u015f"+
+ "\u0160\u0001\u0000\u0000\u0000\u0160;\u0001\u0000\u0000\u0000\u0161\u015f"+
+ "\u0001\u0000\u0000\u0000\u0162\u0163\u00032\u0019\u0000\u0163=\u0001\u0000"+
+ "\u0000\u0000#@BHQ_lorz\u0086\u008b\u0094\u0097\u009a\u00a0\u00ac\u00bc"+
+ "\u00bf\u00c5\u00cc\u00d4\u00df\u00ed\u00f0\u00fd\u0106\u010e\u0114\u011d"+
+ "\u0128\u0133\u013e\u0149\u0154\u015f";
+ public static final ATN _ATN =
+ new ATNDeserializer().deserialize(_serializedATN.toCharArray());
+ static {
+ _decisionToDFA = new DFA[_ATN.getNumberOfDecisions()];
+ for (int i = 0; i < _ATN.getNumberOfDecisions(); i++) {
+ _decisionToDFA[i] = new DFA(_ATN.getDecisionState(i), i);
+ }
+ }
+}
\ No newline at end of file
diff --git a/src/antlr4/SysY.g4 b/src/antlr4/SysY.g4
index 263aeef..8ec5e13 100644
--- a/src/antlr4/SysY.g4
+++ b/src/antlr4/SysY.g4
@@ -1,98 +1,180 @@
-// SysY 子集语法：支持形如
-// int main() { int a = 1; int b = 2; return a + b; }
-// 的最小返回表达式编译。
+grammar SysY;
-// 后续需要自行添加
+// ========================= Parser Rules =========================
-grammar SysY;
+compUnit: (decl | funcDef)+ EOF;
+
+decl: constDecl | varDecl;
+
+constDecl: CONST bType constDef (COMMA constDef)* SEMI;
+
+bType: INT | FLOAT;
+
+constDef: IDENT (LBRACK constExp RBRACK)* ASSIGN constInitVal;
+
+constInitVal:
+ constExp
+ | LBRACE (constInitVal (COMMA constInitVal)*)? RBRACE;
+
+varDecl: bType varDef (COMMA varDef)* SEMI;
+
+varDef: IDENT (LBRACK constExp RBRACK)* (ASSIGN initVal)?;
+
+initVal: exp | LBRACE (initVal (COMMA initVal)*)? RBRACE;
+
+funcDef: funcType IDENT LPAREN funcFParams? RPAREN block;
+
+funcType: VOID | INT | FLOAT;
+
+funcFParams: funcFParam (COMMA funcFParam)*;
+
+funcFParam:
+ bType IDENT
+ | bType IDENT LBRACK RBRACK (LBRACK exp RBRACK)*;
+
+block: LBRACE blockItem* RBRACE;
+
+blockItem: decl | stmt;
+
+stmt:
+ lVal ASSIGN exp SEMI # assignStmt
+ | exp? SEMI # expStmt
+ | block # blockStmt
+ | IF LPAREN cond RPAREN stmt (ELSE stmt)? # ifStmt
+ | WHILE LPAREN cond RPAREN stmt # whileStmt
+ | BREAK SEMI # breakStmt
+ | CONTINUE SEMI # continueStmt
+ | RETURN exp? SEMI # returnStmt;
+
+exp: addExp;
+
+cond: lOrExp;
+
+lVal: IDENT (LBRACK exp RBRACK)*;
+
+primaryExp: LPAREN exp RPAREN | lVal | number;
+
+number: ILITERAL | FLITERAL;
+
+unaryExp:
+ primaryExp # primaryUnaryExp
+ | IDENT LPAREN funcRParams? RPAREN # callUnaryExp
+ | unaryOp unaryExp # opUnaryExp;
+
+unaryOp: ADD | SUB | NOT;
+
+funcRParams: exp (COMMA exp)*;
+
+mulExp:
+ unaryExp # unaryMulExp
+ | mulExp op = (MUL | DIV | MOD) unaryExp # binaryMulExp;
+
+addExp:
+ mulExp # mulAddExp
+ | addExp op = (ADD | SUB) mulExp # binaryAddExp;
+
+relExp:
+ addExp # addRelExp
+ | relExp op = (LT | GT | LE | GE) addExp # binaryRelExp;
-/*===-------------------------------------------===*/
-/* Lexer rules */
-/*===-------------------------------------------===*/
+eqExp:
+ relExp # relEqExp
+ | eqExp op = (EQ | NE) relExp # binaryEqExp;
+lAndExp: eqExp # eqLAndExp | lAndExp AND eqExp # binaryLAndExp;
+
+lOrExp: lAndExp # andLOrExp | lOrExp OR lAndExp # binaryLOrExp;
+
+constExp: addExp;
+
+// ========================= Lexer Rules =========================
+
+// keywords
+CONST: 'const';
INT: 'int';
+FLOAT: 'float';
+VOID: 'void';
+IF: 'if';
+ELSE: 'else';
+WHILE: 'while';
+BREAK: 'break';
+CONTINUE: 'continue';
RETURN: 'return';
-ASSIGN: '=';
+// operators
ADD: '+';
+SUB: '-';
+MUL: '*';
+DIV: '/';
+MOD: '%';
+
+ASSIGN: '=';
+EQ: '==';
+NE: '!=';
+LT: '<';
+LE: '<=';
+GT: '>';
+GE: '>=';
+
+NOT: '!';
+AND: '&&';
+OR: '||';
+
+// punctuations
LPAREN: '(';
RPAREN: ')';
+LBRACK: '[';
+RBRACK: ']';
LBRACE: '{';
RBRACE: '}';
-SEMICOLON: ';';
-
-ID: [a-zA-Z_][a-zA-Z_0-9]*;
-ILITERAL: [0-9]+;
-
-WS: [ \t\r\n] -> skip;
-LINECOMMENT: '//' ~[\r\n]* -> skip;
-BLOCKCOMMENT: '/*' .*? '*/' -> skip;
-
-/*===-------------------------------------------===*/
-/* Syntax rules */
-/*===-------------------------------------------===*/
-
-compUnit
- : funcDef EOF
- ;
-
-decl
- : btype varDef SEMICOLON
- ;
-
-btype
- : INT
- ;
-
-varDef
- : lValue (ASSIGN initValue)?
- ;
-
-initValue
- : exp
- ;
-
-funcDef
- : funcType ID LPAREN RPAREN blockStmt
- ;
-
-funcType
- : INT
- ;
-
-blockStmt
- : LBRACE blockItem* RBRACE
- ;
-
-blockItem
- : decl
- | stmt
- ;
-
-stmt
- : returnStmt
- ;
-
-returnStmt
- : RETURN exp SEMICOLON
- ;
-
-exp
- : LPAREN exp RPAREN # parenExp
- | var # varExp
- | number # numberExp
- | exp ADD exp # additiveExp
- ;
-
-var
- : ID
- ;
-
-lValue
- : ID
- ;
-
-number
- : ILITERAL
- ;
+COMMA: ',';
+SEMI: ';';
+
+// identifiers
+IDENT: [a-zA-Z_] [a-zA-Z_0-9]*;
+
+// integer literals
+fragment DIGIT: [0-9];
+
+fragment NON_ZERO_DIGIT: [1-9];
+
+fragment OCT_DIGIT: [0-7];
+
+fragment HEX_DIGIT: [0-9a-fA-F];
+
+fragment DEC_INTEGER: NON_ZERO_DIGIT DIGIT*;
+
+fragment OCT_INTEGER: '0' OCT_DIGIT*;
+
+fragment HEX_INTEGER: '0' [xX] HEX_DIGIT+;
+
+// float literals
+fragment DEC_FRACTION: DIGIT+ '.' DIGIT* | '.' DIGIT+;
+
+fragment DEC_EXPONENT: [eE] [+\-]? DIGIT+;
+
+fragment DEC_FLOAT:
+ DEC_FRACTION DEC_EXPONENT?
+ | DEC_INTEGER DEC_EXPONENT;
+
+fragment HEX_FRACTION:
+ HEX_DIGIT* '.' HEX_DIGIT+
+ | HEX_DIGIT+ '.';
+
+fragment BIN_EXPONENT: [pP] [+\-]? DIGIT+;
+
+fragment HEX_FLOAT:
+ '0' [xX] HEX_FRACTION BIN_EXPONENT
+ | HEX_INTEGER BIN_EXPONENT;
+
+ILITERAL: DEC_INTEGER | OCT_INTEGER | HEX_INTEGER;
+
+FLITERAL: DEC_FLOAT | HEX_FLOAT;
+
+// comments and whitespace
+WS: [ \t\r\n]+ -> skip;
+
+LINE_COMMENT: '//' ~[\r\n]* -> skip;
+
+BLOCK_COMMENT: '/*' .*? '*/' -> skip;
\ No newline at end of file
diff --git a/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h b/third_party/antlr4-runtime-4.13.2/runtime/src/ANTLRErrorListener.h
old mode 100755
new mode 100644
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