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Truffle SL is an example language implemented using the Truffle API.
/*
* Copyright (c) 2012, 2021, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* The Universal Permissive License (UPL), Version 1.0
*
* Subject to the condition set forth below, permission is hereby granted to any
* person obtaining a copy of this software, associated documentation and/or
* data (collectively the "Software"), free of charge and under any and all
* copyright rights in the Software, and any and all patent rights owned or
* freely licensable by each licensor hereunder covering either (i) the
* unmodified Software as contributed to or provided by such licensor, or (ii)
* the Larger Works (as defined below), to deal in both
*
* (a) the Software, and
*
* (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if
* one is included with the Software each a "Larger Work" to which the Software
* is contributed by such licensors),
*
* without restriction, including without limitation the rights to copy, create
* derivative works of, display, perform, and distribute the Software and make,
* use, sell, offer for sale, import, export, have made, and have sold the
* Software and the Larger Work(s), and to sublicense the foregoing rights on
* either these or other terms.
*
* This license is subject to the following condition:
*
* The above copyright notice and either this complete permission notice or at a
* minimum a reference to the UPL must be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
// Checkstyle: stop
//@formatter:off
package com.oracle.truffle.sl.parser;
// DO NOT MODIFY - generated from SimpleLanguage.g4 using "mx create-sl-parser"
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import com.oracle.truffle.api.RootCallTarget;
import com.oracle.truffle.api.source.Source;
import com.oracle.truffle.api.strings.TruffleString;
import com.oracle.truffle.sl.SLLanguage;
import com.oracle.truffle.sl.nodes.SLExpressionNode;
import com.oracle.truffle.sl.nodes.SLStatementNode;
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")
public class SimpleLanguageParser extends Parser {
static { RuntimeMetaData.checkVersion("4.9.2", RuntimeMetaData.VERSION); }
protected static final DFA[] _decisionToDFA;
protected static final PredictionContextCache _sharedContextCache =
new PredictionContextCache();
public static final int
T__0=1, T__1=2, T__2=3, T__3=4, T__4=5, T__5=6, T__6=7, T__7=8, T__8=9,
T__9=10, T__10=11, T__11=12, T__12=13, T__13=14, T__14=15, T__15=16, T__16=17,
T__17=18, T__18=19, T__19=20, T__20=21, T__21=22, T__22=23, T__23=24,
T__24=25, T__25=26, T__26=27, T__27=28, T__28=29, T__29=30, WS=31, COMMENT=32,
LINE_COMMENT=33, IDENTIFIER=34, STRING_LITERAL=35, NUMERIC_LITERAL=36;
public static final int
RULE_simplelanguage = 0, RULE_function = 1, RULE_block = 2, RULE_statement = 3,
RULE_while_statement = 4, RULE_if_statement = 5, RULE_return_statement = 6,
RULE_expression = 7, RULE_logic_term = 8, RULE_logic_factor = 9, RULE_arithmetic = 10,
RULE_term = 11, RULE_factor = 12, RULE_member_expression = 13;
private static String[] makeRuleNames() {
return new String[] {
"simplelanguage", "function", "block", "statement", "while_statement",
"if_statement", "return_statement", "expression", "logic_term", "logic_factor",
"arithmetic", "term", "factor", "member_expression"
};
}
public static final String[] ruleNames = makeRuleNames();
private static String[] makeLiteralNames() {
return new String[] {
null, "'function'", "'('", "','", "')'", "'{'", "'}'", "'break'", "';'",
"'continue'", "'debugger'", "'while'", "'if'", "'else'", "'return'",
"'||'", "'&&'", "'<'", "'<='", "'>'", "'>='", "'=='", "'!='", "'+'",
"'-'", "'*'", "'/'", "'='", "'.'", "'['", "']'"
};
}
private static final String[] _LITERAL_NAMES = makeLiteralNames();
private static String[] makeSymbolicNames() {
return new String[] {
null, null, null, null, null, null, null, null, null, null, null, null,
null, null, null, null, null, null, null, null, null, null, null, null,
null, null, null, null, null, null, null, "WS", "COMMENT", "LINE_COMMENT",
"IDENTIFIER", "STRING_LITERAL", "NUMERIC_LITERAL"
};
}
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 "SimpleLanguage.g4"; }
@Override
public String[] getRuleNames() { return ruleNames; }
@Override
public String getSerializedATN() { return _serializedATN; }
@Override
public ATN getATN() { return _ATN; }
private SLNodeFactory factory;
private Source source;
private static final class BailoutErrorListener extends BaseErrorListener {
private final Source source;
BailoutErrorListener(Source source) {
this.source = source;
}
@Override
public void syntaxError(Recognizer recognizer, Object offendingSymbol, int line, int charPositionInLine, String msg, RecognitionException e) {
throwParseError(source, line, charPositionInLine, (Token) offendingSymbol, msg);
}
}
public void SemErr(Token token, String message) {
assert token != null;
throwParseError(source, token.getLine(), token.getCharPositionInLine(), token, message);
}
private static void throwParseError(Source source, int line, int charPositionInLine, Token token, String message) {
int col = charPositionInLine + 1;
String location = "-- line " + line + " col " + col + ": ";
int length = token == null ? 1 : Math.max(token.getStopIndex() - token.getStartIndex(), 0);
throw new SLParseError(source, line, col, length, String.format("Error(s) parsing script:%n" + location + message));
}
public static Map parseSL(SLLanguage language, Source source) {
SimpleLanguageLexer lexer = new SimpleLanguageLexer(CharStreams.fromString(source.getCharacters().toString()));
SimpleLanguageParser parser = new SimpleLanguageParser(new CommonTokenStream(lexer));
lexer.removeErrorListeners();
parser.removeErrorListeners();
BailoutErrorListener listener = new BailoutErrorListener(source);
lexer.addErrorListener(listener);
parser.addErrorListener(listener);
parser.factory = new SLNodeFactory(language, source);
parser.source = source;
parser.simplelanguage();
return parser.factory.getAllFunctions();
}
public SimpleLanguageParser(TokenStream input) {
super(input);
_interp = new ParserATNSimulator(this,_ATN,_decisionToDFA,_sharedContextCache);
}
public static class SimplelanguageContext extends ParserRuleContext {
public List function() {
return getRuleContexts(FunctionContext.class);
}
public FunctionContext function(int i) {
return getRuleContext(FunctionContext.class,i);
}
public TerminalNode EOF() { return getToken(SimpleLanguageParser.EOF, 0); }
public SimplelanguageContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_simplelanguage; }
}
public final SimplelanguageContext simplelanguage() throws RecognitionException {
SimplelanguageContext _localctx = new SimplelanguageContext(_ctx, getState());
enterRule(_localctx, 0, RULE_simplelanguage);
int _la;
try {
enterOuterAlt(_localctx, 1);
{
setState(28);
function();
setState(32);
_errHandler.sync(this);
_la = _input.LA(1);
while (_la==T__0) {
{
{
setState(29);
function();
}
}
setState(34);
_errHandler.sync(this);
_la = _input.LA(1);
}
setState(35);
match(EOF);
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class FunctionContext extends ParserRuleContext {
public Token IDENTIFIER;
public Token s;
public BlockContext body;
public List IDENTIFIER() { return getTokens(SimpleLanguageParser.IDENTIFIER); }
public TerminalNode IDENTIFIER(int i) {
return getToken(SimpleLanguageParser.IDENTIFIER, i);
}
public BlockContext block() {
return getRuleContext(BlockContext.class,0);
}
public FunctionContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_function; }
}
public final FunctionContext function() throws RecognitionException {
FunctionContext _localctx = new FunctionContext(_ctx, getState());
enterRule(_localctx, 2, RULE_function);
int _la;
try {
enterOuterAlt(_localctx, 1);
{
setState(37);
match(T__0);
setState(38);
_localctx.IDENTIFIER = match(IDENTIFIER);
setState(39);
_localctx.s = match(T__1);
factory.startFunction(_localctx.IDENTIFIER, _localctx.s);
setState(51);
_errHandler.sync(this);
_la = _input.LA(1);
if (_la==IDENTIFIER) {
{
setState(41);
_localctx.IDENTIFIER = match(IDENTIFIER);
factory.addFormalParameter(_localctx.IDENTIFIER);
setState(48);
_errHandler.sync(this);
_la = _input.LA(1);
while (_la==T__2) {
{
{
setState(43);
match(T__2);
setState(44);
_localctx.IDENTIFIER = match(IDENTIFIER);
factory.addFormalParameter(_localctx.IDENTIFIER);
}
}
setState(50);
_errHandler.sync(this);
_la = _input.LA(1);
}
}
}
setState(53);
match(T__3);
setState(54);
_localctx.body = block(false);
factory.finishFunction(_localctx.body.result);
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class BlockContext extends ParserRuleContext {
public boolean inLoop;
public SLStatementNode result;
public Token s;
public StatementContext statement;
public Token e;
public List statement() {
return getRuleContexts(StatementContext.class);
}
public StatementContext statement(int i) {
return getRuleContext(StatementContext.class,i);
}
public BlockContext(ParserRuleContext parent, int invokingState) { super(parent, invokingState); }
public BlockContext(ParserRuleContext parent, int invokingState, boolean inLoop) {
super(parent, invokingState);
this.inLoop = inLoop;
}
@Override public int getRuleIndex() { return RULE_block; }
}
public final BlockContext block(boolean inLoop) throws RecognitionException {
BlockContext _localctx = new BlockContext(_ctx, getState(), inLoop);
enterRule(_localctx, 4, RULE_block);
int _la;
try {
enterOuterAlt(_localctx, 1);
{
factory.startBlock();
List body = new ArrayList<>();
setState(58);
_localctx.s = match(T__4);
setState(64);
_errHandler.sync(this);
_la = _input.LA(1);
while ((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << T__1) | (1L << T__6) | (1L << T__8) | (1L << T__9) | (1L << T__10) | (1L << T__11) | (1L << T__13) | (1L << IDENTIFIER) | (1L << STRING_LITERAL) | (1L << NUMERIC_LITERAL))) != 0)) {
{
{
setState(59);
_localctx.statement = statement(inLoop);
body.add(_localctx.statement.result);
}
}
setState(66);
_errHandler.sync(this);
_la = _input.LA(1);
}
setState(67);
_localctx.e = match(T__5);
_localctx.result = factory.finishBlock(body, _localctx.s.getStartIndex(), _localctx.e.getStopIndex() - _localctx.s.getStartIndex() + 1);
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class StatementContext extends ParserRuleContext {
public boolean inLoop;
public SLStatementNode result;
public While_statementContext while_statement;
public Token b;
public Token c;
public If_statementContext if_statement;
public Return_statementContext return_statement;
public ExpressionContext expression;
public Token d;
public While_statementContext while_statement() {
return getRuleContext(While_statementContext.class,0);
}
public If_statementContext if_statement() {
return getRuleContext(If_statementContext.class,0);
}
public Return_statementContext return_statement() {
return getRuleContext(Return_statementContext.class,0);
}
public ExpressionContext expression() {
return getRuleContext(ExpressionContext.class,0);
}
public StatementContext(ParserRuleContext parent, int invokingState) { super(parent, invokingState); }
public StatementContext(ParserRuleContext parent, int invokingState, boolean inLoop) {
super(parent, invokingState);
this.inLoop = inLoop;
}
@Override public int getRuleIndex() { return RULE_statement; }
}
public final StatementContext statement(boolean inLoop) throws RecognitionException {
StatementContext _localctx = new StatementContext(_ctx, getState(), inLoop);
enterRule(_localctx, 6, RULE_statement);
try {
enterOuterAlt(_localctx, 1);
{
setState(92);
_errHandler.sync(this);
switch (_input.LA(1)) {
case T__10:
{
setState(70);
_localctx.while_statement = while_statement();
_localctx.result = _localctx.while_statement.result;
}
break;
case T__6:
{
setState(73);
_localctx.b = match(T__6);
if (inLoop) { _localctx.result = factory.createBreak(_localctx.b); } else { SemErr(_localctx.b, "break used outside of loop"); }
setState(75);
match(T__7);
}
break;
case T__8:
{
setState(76);
_localctx.c = match(T__8);
if (inLoop) { _localctx.result = factory.createContinue(_localctx.c); } else { SemErr(_localctx.c, "continue used outside of loop"); }
setState(78);
match(T__7);
}
break;
case T__11:
{
setState(79);
_localctx.if_statement = if_statement(inLoop);
_localctx.result = _localctx.if_statement.result;
}
break;
case T__13:
{
setState(82);
_localctx.return_statement = return_statement();
_localctx.result = _localctx.return_statement.result;
}
break;
case T__1:
case IDENTIFIER:
case STRING_LITERAL:
case NUMERIC_LITERAL:
{
setState(85);
_localctx.expression = expression();
setState(86);
match(T__7);
_localctx.result = _localctx.expression.result;
}
break;
case T__9:
{
setState(89);
_localctx.d = match(T__9);
_localctx.result = factory.createDebugger(_localctx.d);
setState(91);
match(T__7);
}
break;
default:
throw new NoViableAltException(this);
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class While_statementContext extends ParserRuleContext {
public SLStatementNode result;
public Token w;
public ExpressionContext condition;
public BlockContext body;
public ExpressionContext expression() {
return getRuleContext(ExpressionContext.class,0);
}
public BlockContext block() {
return getRuleContext(BlockContext.class,0);
}
public While_statementContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_while_statement; }
}
public final While_statementContext while_statement() throws RecognitionException {
While_statementContext _localctx = new While_statementContext(_ctx, getState());
enterRule(_localctx, 8, RULE_while_statement);
try {
enterOuterAlt(_localctx, 1);
{
setState(94);
_localctx.w = match(T__10);
setState(95);
match(T__1);
setState(96);
_localctx.condition = expression();
setState(97);
match(T__3);
setState(98);
_localctx.body = block(true);
_localctx.result = factory.createWhile(_localctx.w, _localctx.condition.result, _localctx.body.result);
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class If_statementContext extends ParserRuleContext {
public boolean inLoop;
public SLStatementNode result;
public Token i;
public ExpressionContext condition;
public BlockContext then;
public BlockContext block;
public ExpressionContext expression() {
return getRuleContext(ExpressionContext.class,0);
}
public List block() {
return getRuleContexts(BlockContext.class);
}
public BlockContext block(int i) {
return getRuleContext(BlockContext.class,i);
}
public If_statementContext(ParserRuleContext parent, int invokingState) { super(parent, invokingState); }
public If_statementContext(ParserRuleContext parent, int invokingState, boolean inLoop) {
super(parent, invokingState);
this.inLoop = inLoop;
}
@Override public int getRuleIndex() { return RULE_if_statement; }
}
public final If_statementContext if_statement(boolean inLoop) throws RecognitionException {
If_statementContext _localctx = new If_statementContext(_ctx, getState(), inLoop);
enterRule(_localctx, 10, RULE_if_statement);
int _la;
try {
enterOuterAlt(_localctx, 1);
{
setState(101);
_localctx.i = match(T__11);
setState(102);
match(T__1);
setState(103);
_localctx.condition = expression();
setState(104);
match(T__3);
setState(105);
_localctx.then = _localctx.block = block(inLoop);
SLStatementNode elsePart = null;
setState(111);
_errHandler.sync(this);
_la = _input.LA(1);
if (_la==T__12) {
{
setState(107);
match(T__12);
setState(108);
_localctx.block = block(inLoop);
elsePart = _localctx.block.result;
}
}
_localctx.result = factory.createIf(_localctx.i, _localctx.condition.result, _localctx.then.result, elsePart);
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class Return_statementContext extends ParserRuleContext {
public SLStatementNode result;
public Token r;
public ExpressionContext expression;
public ExpressionContext expression() {
return getRuleContext(ExpressionContext.class,0);
}
public Return_statementContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_return_statement; }
}
public final Return_statementContext return_statement() throws RecognitionException {
Return_statementContext _localctx = new Return_statementContext(_ctx, getState());
enterRule(_localctx, 12, RULE_return_statement);
int _la;
try {
enterOuterAlt(_localctx, 1);
{
setState(115);
_localctx.r = match(T__13);
SLExpressionNode value = null;
setState(120);
_errHandler.sync(this);
_la = _input.LA(1);
if ((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << T__1) | (1L << IDENTIFIER) | (1L << STRING_LITERAL) | (1L << NUMERIC_LITERAL))) != 0)) {
{
setState(117);
_localctx.expression = expression();
value = _localctx.expression.result;
}
}
_localctx.result = factory.createReturn(_localctx.r, value);
setState(123);
match(T__7);
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class ExpressionContext extends ParserRuleContext {
public SLExpressionNode result;
public Logic_termContext logic_term;
public Token op;
public List logic_term() {
return getRuleContexts(Logic_termContext.class);
}
public Logic_termContext logic_term(int i) {
return getRuleContext(Logic_termContext.class,i);
}
public ExpressionContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_expression; }
}
public final ExpressionContext expression() throws RecognitionException {
ExpressionContext _localctx = new ExpressionContext(_ctx, getState());
enterRule(_localctx, 14, RULE_expression);
try {
int _alt;
enterOuterAlt(_localctx, 1);
{
setState(125);
_localctx.logic_term = logic_term();
_localctx.result = _localctx.logic_term.result;
setState(133);
_errHandler.sync(this);
_alt = getInterpreter().adaptivePredict(_input,7,_ctx);
while ( _alt!=2 && _alt!=org.antlr.v4.runtime.atn.ATN.INVALID_ALT_NUMBER ) {
if ( _alt==1 ) {
{
{
setState(127);
_localctx.op = match(T__14);
setState(128);
_localctx.logic_term = logic_term();
_localctx.result = factory.createBinary(_localctx.op, _localctx.result, _localctx.logic_term.result);
}
}
}
setState(135);
_errHandler.sync(this);
_alt = getInterpreter().adaptivePredict(_input,7,_ctx);
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class Logic_termContext extends ParserRuleContext {
public SLExpressionNode result;
public Logic_factorContext logic_factor;
public Token op;
public List logic_factor() {
return getRuleContexts(Logic_factorContext.class);
}
public Logic_factorContext logic_factor(int i) {
return getRuleContext(Logic_factorContext.class,i);
}
public Logic_termContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_logic_term; }
}
public final Logic_termContext logic_term() throws RecognitionException {
Logic_termContext _localctx = new Logic_termContext(_ctx, getState());
enterRule(_localctx, 16, RULE_logic_term);
try {
int _alt;
enterOuterAlt(_localctx, 1);
{
setState(136);
_localctx.logic_factor = logic_factor();
_localctx.result = _localctx.logic_factor.result;
setState(144);
_errHandler.sync(this);
_alt = getInterpreter().adaptivePredict(_input,8,_ctx);
while ( _alt!=2 && _alt!=org.antlr.v4.runtime.atn.ATN.INVALID_ALT_NUMBER ) {
if ( _alt==1 ) {
{
{
setState(138);
_localctx.op = match(T__15);
setState(139);
_localctx.logic_factor = logic_factor();
_localctx.result = factory.createBinary(_localctx.op, _localctx.result, _localctx.logic_factor.result);
}
}
}
setState(146);
_errHandler.sync(this);
_alt = getInterpreter().adaptivePredict(_input,8,_ctx);
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class Logic_factorContext extends ParserRuleContext {
public SLExpressionNode result;
public ArithmeticContext arithmetic;
public Token op;
public List arithmetic() {
return getRuleContexts(ArithmeticContext.class);
}
public ArithmeticContext arithmetic(int i) {
return getRuleContext(ArithmeticContext.class,i);
}
public Logic_factorContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_logic_factor; }
}
public final Logic_factorContext logic_factor() throws RecognitionException {
Logic_factorContext _localctx = new Logic_factorContext(_ctx, getState());
enterRule(_localctx, 18, RULE_logic_factor);
int _la;
try {
enterOuterAlt(_localctx, 1);
{
setState(147);
_localctx.arithmetic = arithmetic();
_localctx.result = _localctx.arithmetic.result;
setState(153);
_errHandler.sync(this);
switch ( getInterpreter().adaptivePredict(_input,9,_ctx) ) {
case 1:
{
setState(149);
_localctx.op = _input.LT(1);
_la = _input.LA(1);
if ( !((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << T__16) | (1L << T__17) | (1L << T__18) | (1L << T__19) | (1L << T__20) | (1L << T__21))) != 0)) ) {
_localctx.op = _errHandler.recoverInline(this);
}
else {
if ( _input.LA(1)==Token.EOF ) matchedEOF = true;
_errHandler.reportMatch(this);
consume();
}
setState(150);
_localctx.arithmetic = arithmetic();
_localctx.result = factory.createBinary(_localctx.op, _localctx.result, _localctx.arithmetic.result);
}
break;
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class ArithmeticContext extends ParserRuleContext {
public SLExpressionNode result;
public TermContext term;
public Token op;
public List term() {
return getRuleContexts(TermContext.class);
}
public TermContext term(int i) {
return getRuleContext(TermContext.class,i);
}
public ArithmeticContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_arithmetic; }
}
public final ArithmeticContext arithmetic() throws RecognitionException {
ArithmeticContext _localctx = new ArithmeticContext(_ctx, getState());
enterRule(_localctx, 20, RULE_arithmetic);
int _la;
try {
int _alt;
enterOuterAlt(_localctx, 1);
{
setState(155);
_localctx.term = term();
_localctx.result = _localctx.term.result;
setState(163);
_errHandler.sync(this);
_alt = getInterpreter().adaptivePredict(_input,10,_ctx);
while ( _alt!=2 && _alt!=org.antlr.v4.runtime.atn.ATN.INVALID_ALT_NUMBER ) {
if ( _alt==1 ) {
{
{
setState(157);
_localctx.op = _input.LT(1);
_la = _input.LA(1);
if ( !(_la==T__22 || _la==T__23) ) {
_localctx.op = _errHandler.recoverInline(this);
}
else {
if ( _input.LA(1)==Token.EOF ) matchedEOF = true;
_errHandler.reportMatch(this);
consume();
}
setState(158);
_localctx.term = term();
_localctx.result = factory.createBinary(_localctx.op, _localctx.result, _localctx.term.result);
}
}
}
setState(165);
_errHandler.sync(this);
_alt = getInterpreter().adaptivePredict(_input,10,_ctx);
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class TermContext extends ParserRuleContext {
public SLExpressionNode result;
public FactorContext factor;
public Token op;
public List factor() {
return getRuleContexts(FactorContext.class);
}
public FactorContext factor(int i) {
return getRuleContext(FactorContext.class,i);
}
public TermContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_term; }
}
public final TermContext term() throws RecognitionException {
TermContext _localctx = new TermContext(_ctx, getState());
enterRule(_localctx, 22, RULE_term);
int _la;
try {
int _alt;
enterOuterAlt(_localctx, 1);
{
setState(166);
_localctx.factor = factor();
_localctx.result = _localctx.factor.result;
setState(174);
_errHandler.sync(this);
_alt = getInterpreter().adaptivePredict(_input,11,_ctx);
while ( _alt!=2 && _alt!=org.antlr.v4.runtime.atn.ATN.INVALID_ALT_NUMBER ) {
if ( _alt==1 ) {
{
{
setState(168);
_localctx.op = _input.LT(1);
_la = _input.LA(1);
if ( !(_la==T__24 || _la==T__25) ) {
_localctx.op = _errHandler.recoverInline(this);
}
else {
if ( _input.LA(1)==Token.EOF ) matchedEOF = true;
_errHandler.reportMatch(this);
consume();
}
setState(169);
_localctx.factor = factor();
_localctx.result = factory.createBinary(_localctx.op, _localctx.result, _localctx.factor.result);
}
}
}
setState(176);
_errHandler.sync(this);
_alt = getInterpreter().adaptivePredict(_input,11,_ctx);
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class FactorContext extends ParserRuleContext {
public SLExpressionNode result;
public Token IDENTIFIER;
public Member_expressionContext member_expression;
public Token STRING_LITERAL;
public Token NUMERIC_LITERAL;
public Token s;
public ExpressionContext expr;
public Token e;
public TerminalNode IDENTIFIER() { return getToken(SimpleLanguageParser.IDENTIFIER, 0); }
public TerminalNode STRING_LITERAL() { return getToken(SimpleLanguageParser.STRING_LITERAL, 0); }
public TerminalNode NUMERIC_LITERAL() { return getToken(SimpleLanguageParser.NUMERIC_LITERAL, 0); }
public ExpressionContext expression() {
return getRuleContext(ExpressionContext.class,0);
}
public Member_expressionContext member_expression() {
return getRuleContext(Member_expressionContext.class,0);
}
public FactorContext(ParserRuleContext parent, int invokingState) {
super(parent, invokingState);
}
@Override public int getRuleIndex() { return RULE_factor; }
}
public final FactorContext factor() throws RecognitionException {
FactorContext _localctx = new FactorContext(_ctx, getState());
enterRule(_localctx, 24, RULE_factor);
try {
enterOuterAlt(_localctx, 1);
{
setState(194);
_errHandler.sync(this);
switch (_input.LA(1)) {
case IDENTIFIER:
{
setState(177);
_localctx.IDENTIFIER = match(IDENTIFIER);
SLExpressionNode assignmentName = factory.createStringLiteral(_localctx.IDENTIFIER, false);
setState(183);
_errHandler.sync(this);
switch ( getInterpreter().adaptivePredict(_input,12,_ctx) ) {
case 1:
{
setState(179);
_localctx.member_expression = member_expression(null, null, assignmentName);
_localctx.result = _localctx.member_expression.result;
}
break;
case 2:
{
_localctx.result = factory.createRead(assignmentName);
}
break;
}
}
break;
case STRING_LITERAL:
{
setState(185);
_localctx.STRING_LITERAL = match(STRING_LITERAL);
_localctx.result = factory.createStringLiteral(_localctx.STRING_LITERAL, true);
}
break;
case NUMERIC_LITERAL:
{
setState(187);
_localctx.NUMERIC_LITERAL = match(NUMERIC_LITERAL);
_localctx.result = factory.createNumericLiteral(_localctx.NUMERIC_LITERAL);
}
break;
case T__1:
{
setState(189);
_localctx.s = match(T__1);
setState(190);
_localctx.expr = expression();
setState(191);
_localctx.e = match(T__3);
_localctx.result = factory.createParenExpression(_localctx.expr.result, _localctx.s.getStartIndex(), _localctx.e.getStopIndex() - _localctx.s.getStartIndex() + 1);
}
break;
default:
throw new NoViableAltException(this);
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static class Member_expressionContext extends ParserRuleContext {
public SLExpressionNode r;
public SLExpressionNode assignmentReceiver;
public SLExpressionNode assignmentName;
public SLExpressionNode result;
public ExpressionContext expression;
public Token e;
public Token IDENTIFIER;
public Member_expressionContext member_expression;
public List expression() {
return getRuleContexts(ExpressionContext.class);
}
public ExpressionContext expression(int i) {
return getRuleContext(ExpressionContext.class,i);
}
public TerminalNode IDENTIFIER() { return getToken(SimpleLanguageParser.IDENTIFIER, 0); }
public Member_expressionContext member_expression() {
return getRuleContext(Member_expressionContext.class,0);
}
public Member_expressionContext(ParserRuleContext parent, int invokingState) { super(parent, invokingState); }
public Member_expressionContext(ParserRuleContext parent, int invokingState, SLExpressionNode r, SLExpressionNode assignmentReceiver, SLExpressionNode assignmentName) {
super(parent, invokingState);
this.r = r;
this.assignmentReceiver = assignmentReceiver;
this.assignmentName = assignmentName;
}
@Override public int getRuleIndex() { return RULE_member_expression; }
}
public final Member_expressionContext member_expression(SLExpressionNode r,SLExpressionNode assignmentReceiver,SLExpressionNode assignmentName) throws RecognitionException {
Member_expressionContext _localctx = new Member_expressionContext(_ctx, getState(), r, assignmentReceiver, assignmentName);
enterRule(_localctx, 26, RULE_member_expression);
int _la;
try {
enterOuterAlt(_localctx, 1);
{
SLExpressionNode receiver = r;
SLExpressionNode nestedAssignmentName = null;
setState(228);
_errHandler.sync(this);
switch (_input.LA(1)) {
case T__1:
{
setState(197);
match(T__1);
List parameters = new ArrayList<>();
if (receiver == null) {
receiver = factory.createRead(assignmentName);
}
setState(210);
_errHandler.sync(this);
_la = _input.LA(1);
if ((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << T__1) | (1L << IDENTIFIER) | (1L << STRING_LITERAL) | (1L << NUMERIC_LITERAL))) != 0)) {
{
setState(199);
_localctx.expression = expression();
parameters.add(_localctx.expression.result);
setState(207);
_errHandler.sync(this);
_la = _input.LA(1);
while (_la==T__2) {
{
{
setState(201);
match(T__2);
setState(202);
_localctx.expression = expression();
parameters.add(_localctx.expression.result);
}
}
setState(209);
_errHandler.sync(this);
_la = _input.LA(1);
}
}
}
setState(212);
_localctx.e = match(T__3);
_localctx.result = factory.createCall(receiver, parameters, _localctx.e);
}
break;
case T__26:
{
setState(214);
match(T__26);
setState(215);
_localctx.expression = expression();
if (assignmentName == null) {
SemErr((_localctx.expression!=null?(_localctx.expression.start):null), "invalid assignment target");
} else if (assignmentReceiver == null) {
_localctx.result = factory.createAssignment(assignmentName, _localctx.expression.result);
} else {
_localctx.result = factory.createWriteProperty(assignmentReceiver, assignmentName, _localctx.expression.result);
}
}
break;
case T__27:
{
setState(218);
match(T__27);
if (receiver == null) {
receiver = factory.createRead(assignmentName);
}
setState(220);
_localctx.IDENTIFIER = match(IDENTIFIER);
nestedAssignmentName = factory.createStringLiteral(_localctx.IDENTIFIER, false);
_localctx.result = factory.createReadProperty(receiver, nestedAssignmentName);
}
break;
case T__28:
{
setState(222);
match(T__28);
if (receiver == null) {
receiver = factory.createRead(assignmentName);
}
setState(224);
_localctx.expression = expression();
nestedAssignmentName = _localctx.expression.result;
_localctx.result = factory.createReadProperty(receiver, nestedAssignmentName);
setState(226);
match(T__29);
}
break;
default:
throw new NoViableAltException(this);
}
setState(233);
_errHandler.sync(this);
switch ( getInterpreter().adaptivePredict(_input,17,_ctx) ) {
case 1:
{
setState(230);
_localctx.member_expression = member_expression(_localctx.result, receiver, nestedAssignmentName);
_localctx.result = _localctx.member_expression.result;
}
break;
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.reportError(this, re);
_errHandler.recover(this, re);
}
finally {
exitRule();
}
return _localctx;
}
public static final String _serializedATN =
"\3\u608b\ua72a\u8133\ub9ed\u417c\u3be7\u7786\u5964\3&\u00ee\4\2\t\2\4"+
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"\2\u00c7\u00c8\7\4\2\2\u00c8\u00d4\b\17\1\2\u00c9\u00ca\5\20\t\2\u00ca"+
"\u00d1\b\17\1\2\u00cb\u00cc\7\5\2\2\u00cc\u00cd\5\20\t\2\u00cd\u00ce\b"+
"\17\1\2\u00ce\u00d0\3\2\2\2\u00cf\u00cb\3\2\2\2\u00d0\u00d3\3\2\2\2\u00d1"+
"\u00cf\3\2\2\2\u00d1\u00d2\3\2\2\2\u00d2\u00d5\3\2\2\2\u00d3\u00d1\3\2"+
"\2\2\u00d4\u00c9\3\2\2\2\u00d4\u00d5\3\2\2\2\u00d5\u00d6\3\2\2\2\u00d6"+
"\u00d7\7\6\2\2\u00d7\u00e7\b\17\1\2\u00d8\u00d9\7\35\2\2\u00d9\u00da\5"+
"\20\t\2\u00da\u00db\b\17\1\2\u00db\u00e7\3\2\2\2\u00dc\u00dd\7\36\2\2"+
"\u00dd\u00de\b\17\1\2\u00de\u00df\7$\2\2\u00df\u00e7\b\17\1\2\u00e0\u00e1"+
"\7\37\2\2\u00e1\u00e2\b\17\1\2\u00e2\u00e3\5\20\t\2\u00e3\u00e4\b\17\1"+
"\2\u00e4\u00e5\7 \2\2\u00e5\u00e7\3\2\2\2\u00e6\u00c7\3\2\2\2\u00e6\u00d8"+
"\3\2\2\2\u00e6\u00dc\3\2\2\2\u00e6\u00e0\3\2\2\2\u00e7\u00eb\3\2\2\2\u00e8"+
"\u00e9\5\34\17\2\u00e9\u00ea\b\17\1\2\u00ea\u00ec\3\2\2\2\u00eb\u00e8"+
"\3\2\2\2\u00eb\u00ec\3\2\2\2\u00ec\35\3\2\2\2\24\"\62\65B^qz\u0087\u0092"+
"\u009b\u00a5\u00b0\u00b9\u00c4\u00d1\u00d4\u00e6\u00eb";
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);
}
}
}