Package org.antlr.v4.semantics
Class SymbolCollector
- java.lang.Object
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- org.antlr.runtime.BaseRecognizer
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- org.antlr.runtime.tree.TreeParser
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- org.antlr.v4.parse.GrammarTreeVisitor
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- org.antlr.v4.semantics.SymbolCollector
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public class SymbolCollector extends GrammarTreeVisitor
Collects (create) rules, terminals, strings, actions, scopes etc... from AST side-effects: sets resolver field of asts for actions and defines predicates via definePredicateInAlt(), collects actions and stores in alts. TODO: remove side-effects!
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Nested Class Summary
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Nested classes/interfaces inherited from class org.antlr.v4.parse.GrammarTreeVisitor
GrammarTreeVisitor.action_return, GrammarTreeVisitor.actionElement_return, GrammarTreeVisitor.alternative_return, GrammarTreeVisitor.astOperand_return, GrammarTreeVisitor.atom_return, GrammarTreeVisitor.block_return, GrammarTreeVisitor.blockSet_return, GrammarTreeVisitor.blockSuffix_return, GrammarTreeVisitor.channelSpec_return, GrammarTreeVisitor.channelsSpec_return, GrammarTreeVisitor.delegateGrammar_return, GrammarTreeVisitor.delegateGrammars_return, GrammarTreeVisitor.DFA38, GrammarTreeVisitor.ebnfSuffix_return, GrammarTreeVisitor.element_return, GrammarTreeVisitor.elementOption_return, GrammarTreeVisitor.elementOptions_return, GrammarTreeVisitor.exceptionGroup_return, GrammarTreeVisitor.exceptionHandler_return, GrammarTreeVisitor.finallyClause_return, GrammarTreeVisitor.grammarSpec_return, GrammarTreeVisitor.labeledElement_return, GrammarTreeVisitor.lexerAlternative_return, GrammarTreeVisitor.lexerAtom_return, GrammarTreeVisitor.lexerBlock_return, GrammarTreeVisitor.lexerCommand_return, GrammarTreeVisitor.lexerCommandExpr_return, GrammarTreeVisitor.lexerElement_return, GrammarTreeVisitor.lexerElements_return, GrammarTreeVisitor.lexerOuterAlternative_return, GrammarTreeVisitor.lexerRule_return, GrammarTreeVisitor.lexerRuleBlock_return, GrammarTreeVisitor.lexerSubrule_return, GrammarTreeVisitor.locals_return, GrammarTreeVisitor.mode_return, GrammarTreeVisitor.option_return, GrammarTreeVisitor.optionsSpec_return, GrammarTreeVisitor.optionValue_return, GrammarTreeVisitor.outerAlternative_return, GrammarTreeVisitor.prequelConstruct_return, GrammarTreeVisitor.prequelConstructs_return, GrammarTreeVisitor.range_return, GrammarTreeVisitor.rule_return, GrammarTreeVisitor.ruleAction_return, GrammarTreeVisitor.ruleBlock_return, GrammarTreeVisitor.ruleModifier_return, GrammarTreeVisitor.ruleref_return, GrammarTreeVisitor.ruleReturns_return, GrammarTreeVisitor.rules_return, GrammarTreeVisitor.setElement_return, GrammarTreeVisitor.subrule_return, GrammarTreeVisitor.terminal_return, GrammarTreeVisitor.throwsSpec_return, GrammarTreeVisitor.tokenSpec_return, GrammarTreeVisitor.tokensSpec_return
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Field Summary
Fields Modifier and Type Field Description List<GrammarAST>channelDefsRulecurrentRuleErrorManagererrMgrGrammargwhich grammar are we checkingList<GrammarAST>qualifiedRulerefsList<GrammarAST>rulerefsSet<String>stringsList<GrammarAST>terminalsList<GrammarAST>tokenIDRefsList<GrammarAST>tokensDefs-
Fields inherited from class org.antlr.v4.parse.GrammarTreeVisitor
ACTION, ACTION_CHAR_LITERAL, ACTION_ESC, ACTION_STRING_LITERAL, ALT, ARG_ACTION, ARG_OR_CHARSET, ASSIGN, AT, BLOCK, CATCH, CHANNELS, CLOSURE, COLON, COLONCOLON, COMBINED, COMMA, COMMENT, currentModeName, currentOuterAltNumber, currentOuterAltRoot, currentRuleAST, currentRuleName, dfa38, DOC_COMMENT, DOLLAR, DOT, ELEMENT_OPTIONS, EOF, EPSILON, ERRCHAR, ESC_SEQ, FINALLY, FOLLOW_ACTION_in_action596, FOLLOW_ACTION_in_actionElement1679, FOLLOW_ACTION_in_actionElement1687, FOLLOW_ACTION_in_block2430, FOLLOW_ACTION_in_element1868, FOLLOW_ACTION_in_element1897, FOLLOW_ACTION_in_elementOption2733, FOLLOW_ACTION_in_exceptionHandler998, FOLLOW_ACTION_in_finallyClause1025, FOLLOW_ACTION_in_lexerElement1468, FOLLOW_ACTION_in_lexerElement1497, FOLLOW_action_in_prequelConstruct234, FOLLOW_ACTION_in_ruleAction1139, FOLLOW_ALT_in_alternative1730, FOLLOW_ALT_in_alternative1743, FOLLOW_ALT_in_lexerElements1428, FOLLOW_alternative_in_block2433, FOLLOW_alternative_in_outerAlternative1362, FOLLOW_ARG_ACTION_in_exceptionHandler996, FOLLOW_ARG_ACTION_in_locals1055, FOLLOW_ARG_ACTION_in_rule817, FOLLOW_ARG_ACTION_in_ruleref2467, FOLLOW_ARG_ACTION_in_ruleReturns1080, FOLLOW_ASSIGN_in_delegateGrammar420, FOLLOW_ASSIGN_in_elementOption2683, FOLLOW_ASSIGN_in_elementOption2707, FOLLOW_ASSIGN_in_elementOption2727, FOLLOW_ASSIGN_in_elementOption2749, FOLLOW_ASSIGN_in_option295, FOLLOW_AT_in_action585, FOLLOW_AT_in_ruleAction1135, FOLLOW_atom_in_astOperand1959, FOLLOW_atom_in_element1856, FOLLOW_block_in_astOperand1976, FOLLOW_BLOCK_in_block2422, FOLLOW_block_in_element1937, FOLLOW_BLOCK_in_lexerBlock1543, FOLLOW_BLOCK_in_lexerRuleBlock1217, FOLLOW_BLOCK_in_ruleBlock1281, FOLLOW_block_in_subrule2034, FOLLOW_block_in_subrule2041, FOLLOW_blockSet_in_astOperand1967, FOLLOW_blockSet_in_atom2225, FOLLOW_blockSet_in_element1928, FOLLOW_blockSet_in_lexerAtom1592, FOLLOW_blockSet_in_lexerAtom1603, FOLLOW_blockSuffix_in_lexerSubrule2066, FOLLOW_blockSuffix_in_subrule2032, FOLLOW_CATCH_in_exceptionHandler994, FOLLOW_CHANNELS_in_channelsSpec532, FOLLOW_channelSpec_in_channelsSpec534, FOLLOW_channelsSpec_in_prequelConstruct224, FOLLOW_delegateGrammar_in_delegateGrammars391, FOLLOW_delegateGrammars_in_prequelConstruct204, FOLLOW_DOT_in_atom2163, FOLLOW_DOT_in_atom2174, FOLLOW_ebnfSuffix_in_blockSuffix2102, FOLLOW_element_in_alternative1735, FOLLOW_element_in_labeledElement2007, FOLLOW_ELEMENT_OPTIONS_in_elementOptions2630, FOLLOW_elementOption_in_elementOptions2632, FOLLOW_elementOptions_in_actionElement1689, FOLLOW_elementOptions_in_actionElement1707, FOLLOW_elementOptions_in_alternative1732, FOLLOW_elementOptions_in_alternative1745, FOLLOW_elementOptions_in_atom2190, FOLLOW_elementOptions_in_element1899, FOLLOW_elementOptions_in_element1912, FOLLOW_elementOptions_in_lexerAtom1616, FOLLOW_elementOptions_in_lexerElement1499, FOLLOW_elementOptions_in_lexerElement1512, FOLLOW_elementOptions_in_ruleref2470, FOLLOW_elementOptions_in_setElement2288, FOLLOW_elementOptions_in_setElement2302, FOLLOW_elementOptions_in_terminal2543, FOLLOW_elementOptions_in_terminal2582, FOLLOW_EPSILON_in_alternative1748, FOLLOW_EPSILON_in_lexerElement1520, FOLLOW_exceptionGroup_in_rule918, FOLLOW_exceptionHandler_in_exceptionGroup965, FOLLOW_FINALLY_in_finallyClause1023, FOLLOW_finallyClause_in_exceptionGroup968, FOLLOW_FRAGMENT_in_lexerRule712, FOLLOW_GRAMMAR_in_grammarSpec85, FOLLOW_ID_in_action589, FOLLOW_ID_in_action594, FOLLOW_ID_in_atom2165, FOLLOW_ID_in_atom2176, FOLLOW_ID_in_channelSpec557, FOLLOW_ID_in_delegateGrammar424, FOLLOW_ID_in_delegateGrammar428, FOLLOW_ID_in_delegateGrammar443, FOLLOW_ID_in_elementOption2663, FOLLOW_ID_in_elementOption2687, FOLLOW_ID_in_elementOption2691, FOLLOW_ID_in_elementOption2709, FOLLOW_ID_in_elementOption2729, FOLLOW_ID_in_elementOption2751, FOLLOW_ID_in_grammarSpec87, FOLLOW_ID_in_labeledElement2005, FOLLOW_ID_in_lexerCommand1776, FOLLOW_ID_in_lexerCommand1794, FOLLOW_ID_in_mode664, FOLLOW_ID_in_option297, FOLLOW_ID_in_ruleAction1137, FOLLOW_ID_in_throwsSpec1108, FOLLOW_ID_in_tokenSpec502, FOLLOW_IMPORT_in_delegateGrammars389, FOLLOW_INT_in_elementOption2755, FOLLOW_labeledElement_in_element1851, FOLLOW_LEXER_ACTION_CALL_in_lexerCommand1774, FOLLOW_LEXER_ALT_ACTION_in_lexerAlternative1384, FOLLOW_LEXER_CHAR_SET_in_lexerAtom1635, FOLLOW_LEXER_CHAR_SET_in_setElement2397, FOLLOW_lexerAlternative_in_lexerBlock1548, FOLLOW_lexerAlternative_in_lexerOuterAlternative1340, FOLLOW_lexerAtom_in_lexerElement1456, FOLLOW_lexerBlock_in_lexerSubrule2068, FOLLOW_lexerBlock_in_lexerSubrule2075, FOLLOW_lexerCommand_in_lexerAlternative1388, FOLLOW_lexerCommandExpr_in_lexerCommand1778, FOLLOW_lexerElement_in_lexerElements1430, FOLLOW_lexerElements_in_lexerAlternative1386, FOLLOW_lexerElements_in_lexerAlternative1400, FOLLOW_lexerOuterAlternative_in_lexerRuleBlock1236, FOLLOW_lexerRule_in_mode668, FOLLOW_lexerRule_in_rules631, FOLLOW_lexerRuleBlock_in_lexerRule745, FOLLOW_lexerSubrule_in_lexerElement1461, FOLLOW_LOCALS_in_locals1053, FOLLOW_locals_in_rule856, FOLLOW_mode_in_grammarSpec125, FOLLOW_MODE_in_mode662, FOLLOW_NOT_in_astOperand1965, FOLLOW_NOT_in_astOperand1974, FOLLOW_NOT_in_element1926, FOLLOW_NOT_in_element1935, FOLLOW_NOT_in_lexerAtom1590, FOLLOW_option_in_optionsSpec261, FOLLOW_OPTIONS_in_optionsSpec259, FOLLOW_optionsSpec_in_block2424, FOLLOW_optionsSpec_in_lexerBlock1545, FOLLOW_optionsSpec_in_lexerRule724, FOLLOW_optionsSpec_in_prequelConstruct194, FOLLOW_optionsSpec_in_rule871, FOLLOW_optionValue_in_option301, FOLLOW_outerAlternative_in_ruleBlock1300, FOLLOW_prequelConstruct_in_prequelConstructs167, FOLLOW_prequelConstructs_in_grammarSpec106, FOLLOW_range_in_element1920, FOLLOW_range_in_lexerAtom1645, FOLLOW_RANGE_in_range2507, FOLLOW_RANGE_in_setElement2366, FOLLOW_RETURNS_in_ruleReturns1078, FOLLOW_RULE_in_lexerRule694, FOLLOW_RULE_in_rule790, FOLLOW_rule_in_rules629, FOLLOW_RULE_REF_in_rule792, FOLLOW_RULE_REF_in_ruleref2463, FOLLOW_ruleAction_in_block2427, FOLLOW_ruleAction_in_rule885, FOLLOW_ruleBlock_in_rule916, FOLLOW_ruleModifier_in_rule806, FOLLOW_RULEMODIFIERS_in_lexerRule708, FOLLOW_RULEMODIFIERS_in_rule801, FOLLOW_ruleref_in_atom2178, FOLLOW_ruleref_in_atom2235, FOLLOW_ruleref_in_lexerAtom1655, FOLLOW_ruleReturns_in_rule830, FOLLOW_rules_in_grammarSpec123, FOLLOW_RULES_in_rules624, FOLLOW_SEMPRED_in_actionElement1697, FOLLOW_SEMPRED_in_actionElement1705, FOLLOW_SEMPRED_in_element1882, FOLLOW_SEMPRED_in_element1910, FOLLOW_SEMPRED_in_lexerElement1482, FOLLOW_SEMPRED_in_lexerElement1510, FOLLOW_SET_in_blockSet2260, FOLLOW_set_in_labeledElement1999, FOLLOW_setElement_in_blockSet2262, FOLLOW_STRING_LITERAL_in_elementOption2713, FOLLOW_STRING_LITERAL_in_range2509, FOLLOW_STRING_LITERAL_in_range2511, FOLLOW_STRING_LITERAL_in_setElement2286, FOLLOW_STRING_LITERAL_in_setElement2312, FOLLOW_STRING_LITERAL_in_setElement2370, FOLLOW_STRING_LITERAL_in_setElement2374, FOLLOW_STRING_LITERAL_in_terminal2541, FOLLOW_STRING_LITERAL_in_terminal2566, FOLLOW_subrule_in_element1861, FOLLOW_terminal_in_atom2167, FOLLOW_terminal_in_atom2217, FOLLOW_terminal_in_lexerAtom1579, FOLLOW_THROWS_in_throwsSpec1106, FOLLOW_throwsSpec_in_rule843, FOLLOW_TOKEN_REF_in_lexerRule696, FOLLOW_TOKEN_REF_in_setElement2300, FOLLOW_TOKEN_REF_in_setElement2337, FOLLOW_TOKEN_REF_in_terminal2580, FOLLOW_TOKEN_REF_in_terminal2593, FOLLOW_TOKENS_SPEC_in_tokensSpec477, FOLLOW_tokenSpec_in_tokensSpec479, FOLLOW_tokensSpec_in_prequelConstruct214, FOLLOW_WILDCARD_in_atom2188, FOLLOW_WILDCARD_in_atom2201, FOLLOW_WILDCARD_in_lexerAtom1614, FOLLOW_WILDCARD_in_lexerAtom1627, FRAGMENT, GRAMMAR, grammarName, GT, HEX_DIGIT, ID, IMPORT, INT, LEXER, LEXER_ACTION_CALL, LEXER_ALT_ACTION, LEXER_CHAR_SET, LOCALS, LPAREN, LT, MODE, NameChar, NameStartChar, NESTED_ACTION, NLCHARS, NOT, OPTIONAL, OPTIONS, OR, PARSER, PLUS, PLUS_ASSIGN, POSITIVE_CLOSURE, POUND, PRIVATE, PROTECTED, PUBLIC, QUESTION, RANGE, RARROW, RBRACE, RETURNS, rewriteEBNFLevel, RPAREN, RULE, RULE_REF, RULEMODIFIERS, RULES, SEMI, SEMPRED, SET, SRC, STAR, STRING_LITERAL, THROWS, TOKEN_REF, tokenNames, TOKENS_SPEC, UNICODE_ESC, UNICODE_EXTENDED_ESC, UnicodeBOM, WILDCARD, WS, WSCHARS, WSNLCHARS
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Constructor Summary
Constructors Constructor Description SymbolCollector(Grammar g)
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Method Summary
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Methods inherited from class org.antlr.v4.parse.GrammarTreeVisitor
action, actionElement, alternative, astOperand, atom, block, blockSet, blockSuffix, channelSpec, channelsSpec, delegateGrammar, delegateGrammars, discoverAlt, discoverGrammar, discoverRules, ebnfSuffix, element, elementOption, elementOptions, enterAction, enterActionElement, enterAlternative, enterAstOperand, enterAtom, enterBlock, enterBlockSet, enterBlockSuffix, enterChannelSpec, enterChannelsSpec, enterDelegateGrammar, enterDelegateGrammars, enterEbnfSuffix, enterElement, enterElementOption, enterElementOptions, enterExceptionGroup, enterExceptionHandler, enterFinallyClause, enterGrammarSpec, enterLabeledElement, enterLexerAlternative, enterLexerAtom, enterLexerBlock, enterLexerCommand, enterLexerCommandExpr, enterLexerElement, enterLexerElements, enterLexerOuterAlternative, enterLexerRule, enterLexerRuleBlock, enterLexerSubrule, enterLocals, enterMode, enterOption, enterOptionsSpec, enterOptionValue, enterOuterAlternative, enterPrequelConstruct, enterPrequelConstructs, enterRange, enterRule, enterRuleAction, enterRuleBlock, enterRuleModifier, enterRuleref, enterRuleReturns, enterRules, enterSetElement, enterSubrule, enterTerminal, enterThrowsSpec, enterTokenSpec, enterTokensSpec, exceptionGroup, exceptionHandler, exitAction, exitActionElement, exitAlternative, exitAstOperand, exitAtom, exitBlock, exitBlockSet, exitBlockSuffix, exitChannelSpec, exitChannelsSpec, exitDelegateGrammar, exitDelegateGrammars, exitEbnfSuffix, exitElement, exitElementOption, exitElementOptions, exitExceptionGroup, exitExceptionHandler, exitFinallyClause, exitGrammarSpec, exitLabeledElement, exitLexerAlternative, exitLexerAtom, exitLexerBlock, exitLexerCommand, exitLexerCommandExpr, exitLexerElement, exitLexerElements, exitLexerOuterAlternative, exitLexerRule, exitLexerRuleBlock, exitLexerSubrule, exitLocals, exitMode, exitOption, exitOptionsSpec, exitOptionValue, exitOuterAlternative, exitPrequelConstruct, exitPrequelConstructs, exitRange, exitRule, exitRuleAction, exitRuleBlock, exitRuleModifier, exitRuleref, exitRuleReturns, exitRules, exitSetElement, exitSubrule, exitTerminal, exitThrowsSpec, exitTokenSpec, exitTokensSpec, finallyClause, finishAlt, finishGrammar, finishLexerRule, finishOuterAlt, finishPrequels, finishRule, finishRules, getDelegates, getGrammarFileName, getTokenNames, grammarSpec, importGrammar, labeledElement, lexerAlternative, lexerAtom, lexerBlock, lexerCallCommand, lexerCommand, lexerCommand, lexerCommandExpr, lexerElement, lexerElements, lexerOuterAlternative, lexerRule, lexerRuleBlock, lexerSubrule, locals, mode, modeDef, option, optionsSpec, optionValue, outerAlternative, prequelConstruct, prequelConstructs, range, rule, ruleAction, ruleBlock, ruleModifier, ruleref, ruleReturns, rules, setElement, subrule, terminal, throwsSpec, tokenSpec, tokensSpec, traceIn, traceOut, visit, visitGrammar, wildcardRef
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Methods inherited from class org.antlr.runtime.tree.TreeParser
getAncestor, getCurrentInputSymbol, getErrorHeader, getErrorMessage, getMissingSymbol, getSourceName, getTreeNodeStream, inContext, inContext, matchAny, recoverFromMismatchedToken, reset, setTreeNodeStream
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Methods inherited from class org.antlr.runtime.BaseRecognizer
alreadyParsedRule, beginResync, combineFollows, computeContextSensitiveRuleFOLLOW, computeErrorRecoverySet, consumeUntil, consumeUntil, displayRecognitionError, emitErrorMessage, endResync, failed, getBacktrackingLevel, getNumberOfSyntaxErrors, getRuleInvocationStack, getRuleInvocationStack, getRuleMemoization, getRuleMemoizationCacheSize, getTokenErrorDisplay, match, memoize, mismatchIsMissingToken, mismatchIsUnwantedToken, pushFollow, recover, recoverFromMismatchedSet, reportError, setBacktrackingLevel, toStrings, traceIn, traceOut
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Field Detail
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g
public Grammar g
which grammar are we checking
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rulerefs
public List<GrammarAST> rulerefs
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qualifiedRulerefs
public List<GrammarAST> qualifiedRulerefs
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terminals
public List<GrammarAST> terminals
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tokenIDRefs
public List<GrammarAST> tokenIDRefs
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tokensDefs
public List<GrammarAST> tokensDefs
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channelDefs
public List<GrammarAST> channelDefs
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errMgr
public ErrorManager errMgr
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currentRule
public Rule currentRule
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Constructor Detail
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SymbolCollector
public SymbolCollector(Grammar g)
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Method Detail
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getErrorManager
public ErrorManager getErrorManager()
- Overrides:
getErrorManagerin classGrammarTreeVisitor
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process
public void process(GrammarAST ast)
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globalNamedAction
public void globalNamedAction(GrammarAST scope, GrammarAST ID, ActionAST action)
- Overrides:
globalNamedActionin classGrammarTreeVisitor
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defineToken
public void defineToken(GrammarAST ID)
- Overrides:
defineTokenin classGrammarTreeVisitor
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defineChannel
public void defineChannel(GrammarAST ID)
- Overrides:
defineChannelin classGrammarTreeVisitor
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discoverRule
public void discoverRule(RuleAST rule, GrammarAST ID, List<GrammarAST> modifiers, ActionAST arg, ActionAST returns, GrammarAST thrws, GrammarAST options, ActionAST locals, List<GrammarAST> actions, GrammarAST block)
- Overrides:
discoverRulein classGrammarTreeVisitor
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discoverLexerRule
public void discoverLexerRule(RuleAST rule, GrammarAST ID, List<GrammarAST> modifiers, GrammarAST options, GrammarAST block)
- Overrides:
discoverLexerRulein classGrammarTreeVisitor
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discoverOuterAlt
public void discoverOuterAlt(AltAST alt)
- Overrides:
discoverOuterAltin classGrammarTreeVisitor
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actionInAlt
public void actionInAlt(ActionAST action)
- Overrides:
actionInAltin classGrammarTreeVisitor
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sempredInAlt
public void sempredInAlt(PredAST pred)
- Overrides:
sempredInAltin classGrammarTreeVisitor
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ruleCatch
public void ruleCatch(GrammarAST arg, ActionAST action)
- Overrides:
ruleCatchin classGrammarTreeVisitor
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finallyAction
public void finallyAction(ActionAST action)
- Overrides:
finallyActionin classGrammarTreeVisitor
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label
public void label(GrammarAST op, GrammarAST ID, GrammarAST element)
- Overrides:
labelin classGrammarTreeVisitor
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stringRef
public void stringRef(TerminalAST ref)
- Overrides:
stringRefin classGrammarTreeVisitor
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tokenRef
public void tokenRef(TerminalAST ref)
- Overrides:
tokenRefin classGrammarTreeVisitor
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ruleRef
public void ruleRef(GrammarAST ref, ActionAST arg)
- Overrides:
ruleRefin classGrammarTreeVisitor
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grammarOption
public void grammarOption(GrammarAST ID, GrammarAST valueAST)
- Overrides:
grammarOptionin classGrammarTreeVisitor
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ruleOption
public void ruleOption(GrammarAST ID, GrammarAST valueAST)
- Overrides:
ruleOptionin classGrammarTreeVisitor
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blockOption
public void blockOption(GrammarAST ID, GrammarAST valueAST)
- Overrides:
blockOptionin classGrammarTreeVisitor
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elementOption
public void elementOption(GrammarASTWithOptions t, GrammarAST ID, GrammarAST valueAST)
- Overrides:
elementOptionin classGrammarTreeVisitor
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