Package org.antlr.v4.semantics
Class SymbolCollector
java.lang.Object
org.antlr.runtime.BaseRecognizer
org.antlr.runtime.tree.TreeParser
org.antlr.v4.parse.GrammarTreeVisitor
org.antlr.v4.semantics.SymbolCollector
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
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
FieldsModifier and TypeFieldDescriptionwhich grammar are we checking(package private) List
<GrammarAST> Track action name node in @parser::members {...} or @members {...}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
Fields inherited from class org.antlr.runtime.tree.TreeParser
DOWN, input, UP
Fields inherited from class org.antlr.runtime.BaseRecognizer
DEFAULT_TOKEN_CHANNEL, HIDDEN, INITIAL_FOLLOW_STACK_SIZE, MEMO_RULE_FAILED, MEMO_RULE_UNKNOWN, NEXT_TOKEN_RULE_NAME, state
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionvoid
actionInAlt
(ActionAST action) void
blockOption
(GrammarAST ID, GrammarAST valueAST) void
void
void
discoverLexerRule
(RuleAST rule, GrammarAST ID, List<GrammarAST> modifiers, GrammarAST options, GrammarAST block) void
discoverOuterAlt
(AltAST alt) void
discoverRule
(RuleAST rule, GrammarAST ID, List<GrammarAST> modifiers, ActionAST arg, ActionAST returns, GrammarAST thrws, GrammarAST options, ActionAST locals, List<GrammarAST> actions, GrammarAST block) void
elementOption
(GrammarASTWithOptions t, GrammarAST ID, GrammarAST valueAST) void
finallyAction
(ActionAST action) void
globalNamedAction
(GrammarAST scope, GrammarAST ID, ActionAST action) void
grammarOption
(GrammarAST ID, GrammarAST valueAST) void
label
(GrammarAST op, GrammarAST ID, GrammarAST element) void
process
(GrammarAST ast) void
ruleCatch
(GrammarAST arg, ActionAST action) void
ruleOption
(GrammarAST ID, GrammarAST valueAST) void
ruleRef
(GrammarAST ref, ActionAST arg) void
sempredInAlt
(PredAST pred) private void
setActionResolver
(GrammarAST valueAST) In case of option id={...}, set resolve in case they use $foovoid
stringRef
(TerminalAST ref) void
tokenRef
(TerminalAST ref) 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
Methods inherited from class org.antlr.runtime.tree.TreeParser
getAncestor, getCurrentInputSymbol, getErrorHeader, getErrorMessage, getMissingSymbol, getSourceName, getTreeNodeStream, inContext, inContext, matchAny, recoverFromMismatchedToken, reset, setTreeNodeStream
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 Details
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g
which grammar are we checking -
rulerefs
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qualifiedRulerefs
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terminals
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tokenIDRefs
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strings
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tokensDefs
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channelDefs
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namedActions
List<GrammarAST> namedActionsTrack action name node in @parser::members {...} or @members {...} -
errMgr
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currentRule
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Constructor Details
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SymbolCollector
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Method Details
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getErrorManager
- Overrides:
getErrorManager
in classGrammarTreeVisitor
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process
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globalNamedAction
- Overrides:
globalNamedAction
in classGrammarTreeVisitor
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defineToken
- Overrides:
defineToken
in classGrammarTreeVisitor
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defineChannel
- Overrides:
defineChannel
in 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:
discoverRule
in classGrammarTreeVisitor
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discoverLexerRule
public void discoverLexerRule(RuleAST rule, GrammarAST ID, List<GrammarAST> modifiers, GrammarAST options, GrammarAST block) - Overrides:
discoverLexerRule
in classGrammarTreeVisitor
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discoverOuterAlt
- Overrides:
discoverOuterAlt
in classGrammarTreeVisitor
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actionInAlt
- Overrides:
actionInAlt
in classGrammarTreeVisitor
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sempredInAlt
- Overrides:
sempredInAlt
in classGrammarTreeVisitor
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ruleCatch
- Overrides:
ruleCatch
in classGrammarTreeVisitor
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finallyAction
- Overrides:
finallyAction
in classGrammarTreeVisitor
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label
- Overrides:
label
in classGrammarTreeVisitor
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stringRef
- Overrides:
stringRef
in classGrammarTreeVisitor
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tokenRef
- Overrides:
tokenRef
in classGrammarTreeVisitor
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ruleRef
- Overrides:
ruleRef
in classGrammarTreeVisitor
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grammarOption
- Overrides:
grammarOption
in classGrammarTreeVisitor
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ruleOption
- Overrides:
ruleOption
in classGrammarTreeVisitor
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blockOption
- Overrides:
blockOption
in classGrammarTreeVisitor
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elementOption
- Overrides:
elementOption
in classGrammarTreeVisitor
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setActionResolver
In case of option id={...}, set resolve in case they use $foo
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