public class ElementFrequenciesVisitor extends 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.labeledLexerElement_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_returnACTION, ACTION_CHAR_LITERAL, ACTION_ESC, ACTION_STRING_LITERAL, ALT, ALTLIST, ARG, ARG_ACTION, ARG_OR_CHARSET, ARGLIST, ASSIGN, AT, BLOCK, CATCH, CHANNELS, CHAR_RANGE, 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_actionElement1716, FOLLOW_ACTION_in_actionElement1724, FOLLOW_ACTION_in_block2467, FOLLOW_ACTION_in_element1905, FOLLOW_ACTION_in_element1934, FOLLOW_ACTION_in_elementOption2770, FOLLOW_ACTION_in_exceptionHandler990, FOLLOW_ACTION_in_finallyClause1017, FOLLOW_ACTION_in_lexerElement1465, FOLLOW_ACTION_in_lexerElement1494, FOLLOW_action_in_prequelConstruct234, FOLLOW_ACTION_in_ruleAction1131, FOLLOW_ALT_in_alternative1767, FOLLOW_ALT_in_alternative1780, FOLLOW_ALT_in_lexerElements1420, FOLLOW_alternative_in_block2470, FOLLOW_alternative_in_outerAlternative1354, FOLLOW_ARG_ACTION_in_exceptionHandler988, FOLLOW_ARG_ACTION_in_locals1047, FOLLOW_ARG_ACTION_in_rule809, FOLLOW_ARG_ACTION_in_ruleref2504, FOLLOW_ARG_ACTION_in_ruleReturns1072, FOLLOW_ASSIGN_in_delegateGrammar420, FOLLOW_ASSIGN_in_elementOption2720, FOLLOW_ASSIGN_in_elementOption2744, FOLLOW_ASSIGN_in_elementOption2764, FOLLOW_ASSIGN_in_elementOption2786, FOLLOW_ASSIGN_in_option295, FOLLOW_AT_in_action585, FOLLOW_AT_in_ruleAction1127, FOLLOW_atom_in_astOperand1996, FOLLOW_atom_in_element1893, FOLLOW_block_in_astOperand2013, FOLLOW_BLOCK_in_block2459, FOLLOW_block_in_element1974, FOLLOW_block_in_labeledLexerElement1555, FOLLOW_BLOCK_in_lexerBlock1580, FOLLOW_BLOCK_in_lexerRuleBlock1209, FOLLOW_BLOCK_in_ruleBlock1273, FOLLOW_block_in_subrule2071, FOLLOW_block_in_subrule2078, FOLLOW_blockSet_in_astOperand2004, FOLLOW_blockSet_in_atom2262, FOLLOW_blockSet_in_element1965, FOLLOW_blockSet_in_lexerAtom1629, FOLLOW_blockSet_in_lexerAtom1640, FOLLOW_blockSuffix_in_lexerSubrule2103, FOLLOW_blockSuffix_in_subrule2069, FOLLOW_CATCH_in_exceptionHandler986, FOLLOW_CHANNELS_in_channelsSpec532, FOLLOW_channelSpec_in_channelsSpec534, FOLLOW_channelsSpec_in_prequelConstruct224, FOLLOW_delegateGrammar_in_delegateGrammars391, FOLLOW_delegateGrammars_in_prequelConstruct204, FOLLOW_DOT_in_atom2200, FOLLOW_DOT_in_atom2211, FOLLOW_ebnfSuffix_in_blockSuffix2139, FOLLOW_element_in_alternative1772, FOLLOW_element_in_labeledElement2044, FOLLOW_ELEMENT_OPTIONS_in_elementOptions2667, FOLLOW_elementOption_in_elementOptions2669, FOLLOW_elementOptions_in_actionElement1726, FOLLOW_elementOptions_in_actionElement1744, FOLLOW_elementOptions_in_alternative1769, FOLLOW_elementOptions_in_alternative1782, FOLLOW_elementOptions_in_atom2227, FOLLOW_elementOptions_in_element1936, FOLLOW_elementOptions_in_element1949, FOLLOW_elementOptions_in_lexerAtom1653, FOLLOW_elementOptions_in_lexerElement1496, FOLLOW_elementOptions_in_lexerElement1509, FOLLOW_elementOptions_in_ruleref2507, FOLLOW_elementOptions_in_setElement2325, FOLLOW_elementOptions_in_setElement2339, FOLLOW_elementOptions_in_terminal2580, FOLLOW_elementOptions_in_terminal2619, FOLLOW_EPSILON_in_alternative1785, FOLLOW_EPSILON_in_lexerElement1517, FOLLOW_exceptionGroup_in_rule910, FOLLOW_exceptionHandler_in_exceptionGroup957, FOLLOW_FINALLY_in_finallyClause1015, FOLLOW_finallyClause_in_exceptionGroup960, FOLLOW_FRAGMENT_in_lexerRule712, FOLLOW_GRAMMAR_in_grammarSpec85, FOLLOW_ID_in_action589, FOLLOW_ID_in_action594, FOLLOW_ID_in_atom2202, FOLLOW_ID_in_atom2213, FOLLOW_ID_in_channelSpec557, FOLLOW_ID_in_delegateGrammar424, FOLLOW_ID_in_delegateGrammar428, FOLLOW_ID_in_delegateGrammar443, FOLLOW_ID_in_elementOption2700, FOLLOW_ID_in_elementOption2724, FOLLOW_ID_in_elementOption2728, FOLLOW_ID_in_elementOption2746, FOLLOW_ID_in_elementOption2766, FOLLOW_ID_in_elementOption2788, FOLLOW_ID_in_grammarSpec87, FOLLOW_ID_in_labeledElement2042, FOLLOW_ID_in_labeledLexerElement1550, FOLLOW_ID_in_lexerCommand1813, FOLLOW_ID_in_lexerCommand1831, FOLLOW_ID_in_mode664, FOLLOW_ID_in_option297, FOLLOW_ID_in_ruleAction1129, FOLLOW_ID_in_throwsSpec1100, FOLLOW_ID_in_tokenSpec502, FOLLOW_IMPORT_in_delegateGrammars389, FOLLOW_INT_in_elementOption2792, FOLLOW_labeledElement_in_element1888, FOLLOW_labeledLexerElement_in_lexerElement1448, FOLLOW_LEXER_ACTION_CALL_in_lexerCommand1811, FOLLOW_LEXER_ALT_ACTION_in_lexerAlternative1376, FOLLOW_LEXER_CHAR_SET_in_lexerAtom1672, FOLLOW_LEXER_CHAR_SET_in_setElement2434, FOLLOW_lexerAlternative_in_lexerBlock1585, FOLLOW_lexerAlternative_in_lexerOuterAlternative1332, FOLLOW_lexerAtom_in_labeledLexerElement1553, FOLLOW_lexerAtom_in_lexerElement1453, FOLLOW_lexerBlock_in_lexerSubrule2105, FOLLOW_lexerBlock_in_lexerSubrule2112, FOLLOW_lexerCommand_in_lexerAlternative1380, FOLLOW_lexerCommandExpr_in_lexerCommand1815, FOLLOW_lexerElement_in_lexerElements1422, FOLLOW_lexerElements_in_lexerAlternative1378, FOLLOW_lexerElements_in_lexerAlternative1392, FOLLOW_lexerOuterAlternative_in_lexerRuleBlock1228, FOLLOW_lexerRule_in_mode668, FOLLOW_lexerRule_in_rules631, FOLLOW_lexerRuleBlock_in_lexerRule737, FOLLOW_lexerSubrule_in_lexerElement1458, FOLLOW_LOCALS_in_locals1045, FOLLOW_locals_in_rule848, FOLLOW_mode_in_grammarSpec125, FOLLOW_MODE_in_mode662, FOLLOW_NOT_in_astOperand2002, FOLLOW_NOT_in_astOperand2011, FOLLOW_NOT_in_element1963, FOLLOW_NOT_in_element1972, FOLLOW_NOT_in_lexerAtom1627, FOLLOW_option_in_optionsSpec261, FOLLOW_OPTIONS_in_optionsSpec259, FOLLOW_optionsSpec_in_block2461, FOLLOW_optionsSpec_in_lexerBlock1582, FOLLOW_optionsSpec_in_prequelConstruct194, FOLLOW_optionsSpec_in_rule863, FOLLOW_optionValue_in_option301, FOLLOW_outerAlternative_in_ruleBlock1292, FOLLOW_prequelConstruct_in_prequelConstructs167, FOLLOW_prequelConstructs_in_grammarSpec106, FOLLOW_range_in_element1957, FOLLOW_range_in_lexerAtom1682, FOLLOW_RANGE_in_range2544, FOLLOW_RANGE_in_setElement2403, FOLLOW_RETURNS_in_ruleReturns1070, FOLLOW_RULE_in_lexerRule694, FOLLOW_RULE_in_rule782, FOLLOW_rule_in_rules629, FOLLOW_RULE_REF_in_rule784, FOLLOW_RULE_REF_in_ruleref2500, FOLLOW_ruleAction_in_block2464, FOLLOW_ruleAction_in_rule877, FOLLOW_ruleBlock_in_rule908, FOLLOW_ruleModifier_in_rule798, FOLLOW_RULEMODIFIERS_in_lexerRule708, FOLLOW_RULEMODIFIERS_in_rule793, FOLLOW_ruleref_in_atom2215, FOLLOW_ruleref_in_atom2272, FOLLOW_ruleref_in_lexerAtom1692, FOLLOW_ruleReturns_in_rule822, FOLLOW_rules_in_grammarSpec123, FOLLOW_RULES_in_rules624, FOLLOW_SEMPRED_in_actionElement1734, FOLLOW_SEMPRED_in_actionElement1742, FOLLOW_SEMPRED_in_element1919, FOLLOW_SEMPRED_in_element1947, FOLLOW_SEMPRED_in_lexerElement1479, FOLLOW_SEMPRED_in_lexerElement1507, FOLLOW_SET_in_blockSet2297, FOLLOW_set_in_labeledElement2036, FOLLOW_set_in_labeledLexerElement1544, FOLLOW_setElement_in_blockSet2299, FOLLOW_STRING_LITERAL_in_elementOption2750, FOLLOW_STRING_LITERAL_in_range2546, FOLLOW_STRING_LITERAL_in_range2548, FOLLOW_STRING_LITERAL_in_setElement2323, FOLLOW_STRING_LITERAL_in_setElement2349, FOLLOW_STRING_LITERAL_in_setElement2407, FOLLOW_STRING_LITERAL_in_setElement2411, FOLLOW_STRING_LITERAL_in_terminal2578, FOLLOW_STRING_LITERAL_in_terminal2603, FOLLOW_subrule_in_element1898, FOLLOW_terminal_in_atom2204, FOLLOW_terminal_in_atom2254, FOLLOW_terminal_in_lexerAtom1616, FOLLOW_THROWS_in_throwsSpec1098, FOLLOW_throwsSpec_in_rule835, FOLLOW_TOKEN_REF_in_lexerRule696, FOLLOW_TOKEN_REF_in_setElement2337, FOLLOW_TOKEN_REF_in_setElement2374, FOLLOW_TOKEN_REF_in_terminal2617, FOLLOW_TOKEN_REF_in_terminal2630, FOLLOW_TOKENS_SPEC_in_tokensSpec477, FOLLOW_tokenSpec_in_tokensSpec479, FOLLOW_tokensSpec_in_prequelConstruct214, FOLLOW_WILDCARD_in_atom2225, FOLLOW_WILDCARD_in_atom2238, FOLLOW_WILDCARD_in_lexerAtom1651, FOLLOW_WILDCARD_in_lexerAtom1664, FRAGMENT, GRAMMAR, grammarName, GT, HEX_DIGIT, ID, IMPORT, INITACTION, INT, LABEL, LEXER, LEXER_ACTION_CALL, LEXER_ALT_ACTION, LEXER_CHAR_SET, LIST, LOCALS, LPAREN, LT, MODE, NameChar, NameStartChar, NESTED_ACTION, NLCHARS, NOT, OPTIONAL, OPTIONS, OR, PARSER, PLUS, PLUS_ASSIGN, POSITIVE_CLOSURE, POUND, PREC_RULE, PRIVATE, PROTECTED, PUBLIC, QUESTION, RANGE, RARROW, RBRACE, RESULT, RET, RETURNS, rewriteEBNFLevel, RPAREN, RULE, RULE_REF, RULEACTIONS, RULEMODIFIERS, RULES, SEMI, SEMPRED, SET, SRC, STAR, STRING_LITERAL, SYNPRED, TEMPLATE, THROWS, TOKEN_REF, tokenNames, TOKENS_SPEC, TREE_GRAMMAR, UNICODE_ESC, UNICODE_EXTENDED_ESC, UnicodeBOM, WILDCARD, WS, WSCHARS, WSNLCHARS| Constructor and Description |
|---|
ElementFrequenciesVisitor(org.antlr.runtime.tree.TreeNodeStream input) |
| Modifier and Type | Method and Description |
|---|---|
protected static FrequencySet<String> |
combineAndClip(FrequencySet<String> a,
FrequencySet<String> b,
int clip)
Generate a frequency set as the union of two input sets, with the
values clipped to a specified maximum value.
|
protected static FrequencySet<String> |
combineMax(FrequencySet<String> a,
FrequencySet<String> b)
Generate a frequency set as the union of two input sets.
|
protected static FrequencySet<String> |
combineMin(FrequencySet<String> a,
FrequencySet<String> b)
Generate a frequency set as the union of two input sets.
|
protected void |
enterAlternative(AltAST tree) |
protected void |
enterBlockSet(GrammarAST tree) |
protected void |
enterElement(GrammarAST tree) |
protected void |
enterLexerAlternative(GrammarAST tree) |
protected void |
enterLexerElement(GrammarAST tree) |
protected void |
exitAlternative(AltAST tree) |
protected void |
exitBlockSet(GrammarAST tree) |
protected void |
exitElement(GrammarAST tree) |
protected void |
exitLexerAlternative(GrammarAST tree) |
protected void |
exitLexerElement(GrammarAST tree) |
protected void |
exitLexerSubrule(GrammarAST tree) |
protected void |
exitSubrule(GrammarAST tree) |
ErrorManager |
getErrorManager()
During code gen, we can assume tree is in good shape
|
void |
ruleRef(GrammarAST ref,
ActionAST arg) |
void |
stringRef(TerminalAST ref) |
void |
tokenRef(TerminalAST ref) |
action, actionElement, actionInAlt, alternative, astOperand, atom, block, blockOption, blockSet, blockSuffix, channelSpec, channelsSpec, defineChannel, defineToken, delegateGrammar, delegateGrammars, discoverAlt, discoverGrammar, discoverLexerRule, discoverOuterAlt, discoverRule, discoverRules, ebnfSuffix, element, elementOption, elementOption, elementOptions, enterAction, enterActionElement, enterAstOperand, enterAtom, enterBlock, enterBlockSuffix, enterChannelSpec, enterChannelsSpec, enterDelegateGrammar, enterDelegateGrammars, enterEbnfSuffix, enterElementOption, enterElementOptions, enterExceptionGroup, enterExceptionHandler, enterFinallyClause, enterGrammarSpec, enterLabeledElement, enterLabeledLexerElement, enterLexerAtom, enterLexerBlock, enterLexerCommand, enterLexerCommandExpr, 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, exitAstOperand, exitAtom, exitBlock, exitBlockSuffix, exitChannelSpec, exitChannelsSpec, exitDelegateGrammar, exitDelegateGrammars, exitEbnfSuffix, exitElementOption, exitElementOptions, exitExceptionGroup, exitExceptionHandler, exitFinallyClause, exitGrammarSpec, exitLabeledElement, exitLabeledLexerElement, exitLexerAtom, exitLexerBlock, exitLexerCommand, exitLexerCommandExpr, exitLexerElements, exitLexerOuterAlternative, exitLexerRule, exitLexerRuleBlock, exitLocals, exitMode, exitOption, exitOptionsSpec, exitOptionValue, exitOuterAlternative, exitPrequelConstruct, exitPrequelConstructs, exitRange, exitRule, exitRuleAction, exitRuleBlock, exitRuleModifier, exitRuleref, exitRuleReturns, exitRules, exitSetElement, exitTerminal, exitThrowsSpec, exitTokenSpec, exitTokensSpec, finallyAction, finallyClause, finishAlt, finishGrammar, finishLexerRule, finishOuterAlt, finishPrequels, finishRule, finishRules, getDelegates, getGrammarFileName, getTokenNames, globalNamedAction, grammarOption, grammarSpec, importGrammar, label, labeledElement, labeledLexerElement, 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, ruleCatch, ruleModifier, ruleOption, ruleref, ruleReturns, rules, sempredInAlt, setElement, subrule, terminal, throwsSpec, tokenSpec, tokensSpec, traceIn, traceOut, visit, visitGrammar, wildcardRefgetAncestor, getCurrentInputSymbol, getErrorHeader, getErrorMessage, getMissingSymbol, getSourceName, getTreeNodeStream, inContext, inContext, matchAny, recoverFromMismatchedToken, reset, setTreeNodeStreamalreadyParsedRule, 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, traceOutpublic ElementFrequenciesVisitor(org.antlr.runtime.tree.TreeNodeStream input)
public ErrorManager getErrorManager()
getErrorManager in class GrammarTreeVisitorprotected static FrequencySet<String> combineMax(FrequencySet<String> a, FrequencySet<String> b)
a - The first set.b - The second set.protected static FrequencySet<String> combineMin(FrequencySet<String> a, FrequencySet<String> b)
a - The first set.b - The second set. If this set is SENTINEL, it is treated
as though no second set were provided.protected static FrequencySet<String> combineAndClip(FrequencySet<String> a, FrequencySet<String> b, int clip)
a - The first set.b - The second set.clip - The maximum value to allow for any output.clip.public void tokenRef(TerminalAST ref)
tokenRef in class GrammarTreeVisitorpublic void ruleRef(GrammarAST ref, ActionAST arg)
ruleRef in class GrammarTreeVisitorpublic void stringRef(TerminalAST ref)
stringRef in class GrammarTreeVisitorprotected void enterAlternative(AltAST tree)
enterAlternative in class GrammarTreeVisitorprotected void exitAlternative(AltAST tree)
exitAlternative in class GrammarTreeVisitorprotected void enterElement(GrammarAST tree)
enterElement in class GrammarTreeVisitorprotected void exitElement(GrammarAST tree)
exitElement in class GrammarTreeVisitorprotected void enterBlockSet(GrammarAST tree)
enterBlockSet in class GrammarTreeVisitorprotected void exitBlockSet(GrammarAST tree)
exitBlockSet in class GrammarTreeVisitorprotected void exitSubrule(GrammarAST tree)
exitSubrule in class GrammarTreeVisitorprotected void enterLexerAlternative(GrammarAST tree)
enterLexerAlternative in class GrammarTreeVisitorprotected void exitLexerAlternative(GrammarAST tree)
exitLexerAlternative in class GrammarTreeVisitorprotected void enterLexerElement(GrammarAST tree)
enterLexerElement in class GrammarTreeVisitorprotected void exitLexerElement(GrammarAST tree)
exitLexerElement in class GrammarTreeVisitorprotected void exitLexerSubrule(GrammarAST tree)
exitLexerSubrule in class GrammarTreeVisitorCopyright © 1992–2020 ANTLR. All rights reserved.