Я совершенно не знаком с antlr. Я пытаюсь использовать antlr для перевода языка. Я думаю, что я использую правильный синтаксис, но у меня есть исключение.simple antlr template rewrite
Ниже часть грамматики:
primary
: parExpression
| 'this' ('.' Identifier)* identifierSuffix?
| 'super' superSuffix
| literal
| 'new' creator
| Identifier ('.' Identifier)* identifierSuffix?
| primitiveType ('[' ']')* '.' 'class'
| 'void' '.' 'class'
;
Я добавил правила перезаписи, например
| 'new' creator -> 'mynew' creator
Исключение happends:
[11:11:48] error(100): rjava_new_rewrite.g:851:26: syntax error: antlr: NoViableAltException([email protected][921:1: rewrite_alternative options {k=1; } : ({...}? => rewrite_template | {...}? => (rewrite_element)+ -> {!stream_rewrite_element.hasNext()}? ^(ALT[LT(1),"ALT"] EPSILON["epsilon"] EOA["<end-of-alt>"]) -> ^(ALT[LT(1),"ALT"] (rewrite_element)+ EOA["<end-of-alt>"]) | -> ^(ALT[LT(1),"ALT"] EPSILON["epsilon"] EOA["<end-of-alt>"]) | {...}? ETC);])
[11:11:48] error(100): rjava_new_rewrite.g:851:34: syntax error: antlr: MissingTokenException(inserted [@-1,0:0='<missing SEMI>',<52>,851:33] at creator)
[11:11:48] error(100): rjava_new_rewrite.g:852:5: syntax error: antlr: MissingTokenException(inserted [@-1,0:0='<missing COLON>',<54>,852:4] at |)
[11:11:48] error(100): rjava_new_rewrite.g:0:1: syntax error: assign.types: MismatchedTreeNodeException(0!=3)
[11:11:48] error(100): rjava_new_rewrite.g:0:1: syntax error: assign.types: MismatchedTreeNodeException(3!=28)
[11:11:48] error(100): rjava_new_rewrite.g:0:1: syntax error: assign.types: MismatchedTreeNodeException(3!=27)
[11:11:48] java.util.NoSuchElementException: can't look backwards more than one token in this stream
at org.antlr.runtime.misc.LookaheadStream.LB(LookaheadStream.java:159)
at org.antlr.runtime.misc.LookaheadStream.LT(LookaheadStream.java:120)
at org.antlr.runtime.RecognitionException.extractInformationFromTreeNodeStream(RecognitionException.java:144)
at org.antlr.runtime.RecognitionException.<init>(RecognitionException.java:111)
at org.antlr.runtime.MismatchedTreeNodeException.<init>(MismatchedTreeNodeException.java:42)
at org.antlr.runtime.tree.TreeParser.recoverFromMismatchedToken(TreeParser.java:135)
at org.antlr.runtime.BaseRecognizer.match(BaseRecognizer.java:115)
at org.antlr.grammar.v3.AssignTokenTypesWalker.grammar_(AssignTokenTypesWalker.java:388)
at org.antlr.tool.CompositeGrammar.assignTokenTypes(CompositeGrammar.java:337)
at org.antlr.tool.Grammar.setGrammarContent(Grammar.java:605)
at org.antlr.works.grammar.antlr.ANTLRGrammarEngineImpl.createNewGrammar(ANTLRGrammarEngineImpl.java:192)
at org.antlr.works.grammar.antlr.ANTLRGrammarEngineImpl.createParserGrammar(ANTLRGrammarEngineImpl.java:225)
at org.antlr.works.grammar.antlr.ANTLRGrammarEngineImpl.createCombinedGrammar(ANTLRGrammarEngineImpl.java:203)
at org.antlr.works.grammar.antlr.ANTLRGrammarEngineImpl.createGrammars(ANTLRGrammarEngineImpl.java:165)
at org.antlr.works.grammar.engine.GrammarEngineImpl.getGrammarLanguage(GrammarEngineImpl.java:115)
at org.antlr.works.components.GrammarWindowMenu.getEditTestRigTitle(GrammarWindowMenu.java:244)
at org.antlr.works.components.GrammarWindowMenu.menuItemState(GrammarWindowMenu.java:529)
at org.antlr.works.components.GrammarWindow.menuItemState(GrammarWindow.java:440)
at org.antlr.xjlib.appkit.menu.XJMainMenuBar.refreshMenuItemState(XJMainMenuBar.java:175)
at org.antlr.xjlib.appkit.menu.XJMainMenuBar.refreshMenuState(XJMainMenuBar.java:169)
at org.antlr.xjlib.appkit.menu.XJMainMenuBar.refreshState(XJMainMenuBar.java:153)
at org.antlr.xjlib.appkit.menu.XJMainMenuBar.refresh(XJMainMenuBar.java:145)
at org.antlr.works.grammar.decisiondfa.DecisionDFAEngine.refreshMenu(DecisionDFAEngine.java:203)
at org.antlr.works.components.GrammarWindow.afterParseOperations(GrammarWindow.java:1179)
at org.antlr.works.components.GrammarWindow.access$200(GrammarWindow.java:96)
at org.antlr.works.components.GrammarWindow$AfterParseOperations.threadRun(GrammarWindow.java:1553)
at org.antlr.works.ate.syntax.misc.ATEThread.run(ATEThread.java:152)
at java.lang.Thread.run(Thread.java:680)
Можно ли дать какие-либо идеи ?