Hi all, the purpose of the following grammar is to simplify trees. The idea is to remove CONJUNCTION and DISJUNCTION nodes that have only one child
tree grammar ManchesterOWLSyntaxSimplify; options { language = Java; tokenVocab = ManchesterOWLSyntax; ASTLabelType = ManchesterOWLSyntaxTree; filter=true; output= AST; } @header { package org.coode.parsers; } bottomup : conjunction | disjunction ; conjunction : ^(CONJUNCTION single= .) -> ^($single) ; disjunction : ^(DISJUNCTION single= .) -> ^($single) ; However when I try to generate the code with ANTRLWorks 1.4.2 I get the exception pasted below. What am I doing wrong? Thanks in advance, Luigi [17:07:50] error(10): internal error: /Users/luigi/Documents/workspace/Parsers/src/ManchesterOWLSyntaxSimplify.g : java.lang.IllegalArgumentException: Can't find template rewriteWildcardLabelRefRoot.st; group hierarchy is [Java] org.antlr.stringtemplate.StringTemplateGroup.lookupTemplate(StringTemplateGroup.java:507) org.antlr.stringtemplate.StringTemplateGroup.getInstanceOf(StringTemplateGroup.java:392) org.antlr.stringtemplate.StringTemplateGroup.getInstanceOf(StringTemplateGroup.java:404) org.antlr.stringtemplate.StringTemplateGroup.lookupTemplate(StringTemplateGroup.java:484) org.antlr.stringtemplate.StringTemplateGroup.getInstanceOf(StringTemplateGroup.java:392) org.antlr.stringtemplate.StringTemplateGroup.getInstanceOf(StringTemplateGroup.java:404) org.antlr.stringtemplate.StringTemplateGroup.lookupTemplate(StringTemplateGroup.java:484) org.antlr.stringtemplate.StringTemplateGroup.getInstanceOf(StringTemplateGroup.java:392) org.antlr.stringtemplate.StringTemplateGroup.getInstanceOf(StringTemplateGroup.java:404) org.antlr.grammar.v2.CodeGenTreeWalker.rewrite_atom(CodeGenTreeWalker.java:3068) org.antlr.grammar.v2.CodeGenTreeWalker.rewrite_tree(CodeGenTreeWalker.java:3193) org.antlr.grammar.v2.CodeGenTreeWalker.rewrite_element(CodeGenTreeWalker.java:2666) org.antlr.grammar.v2.CodeGenTreeWalker.rewrite_alternative(CodeGenTreeWalker.java:2521) org.antlr.grammar.v2.CodeGenTreeWalker.rewrite(CodeGenTreeWalker.java:1422) org.antlr.grammar.v2.CodeGenTreeWalker.block(CodeGenTreeWalker.java:1084) org.antlr.grammar.v2.CodeGenTreeWalker.rule(CodeGenTreeWalker.java:797) org.antlr.grammar.v2.CodeGenTreeWalker.rules(CodeGenTreeWalker.java:588) org.antlr.grammar.v2.CodeGenTreeWalker.grammarSpec(CodeGenTreeWalker.java:530) org.antlr.grammar.v2.CodeGenTreeWalker.grammar(CodeGenTreeWalker.java:336) org.antlr.codegen.CodeGenerator.genRecognizer(CodeGenerator.java:430) org.antlr.Tool.generateRecognizer(Tool.java:642) org.antlr.Tool.process(Tool.java:455) org.antlr.works.generate.CodeGenerate.generate(CodeGenerate.java:104) org.antlr.works.generate.CodeGenerate.run(CodeGenerate.java:185) java.lang.Thread.run(Thread.java:680) List: http://www.antlr.org/mailman/listinfo/antlr-interest Unsubscribe: http://www.antlr.org/mailman/options/antlr-interest/your-email-address -- You received this message because you are subscribed to the Google Groups "il-antlr-interest" group. To post to this group, send email to il-antlr-inter...@googlegroups.com. To unsubscribe from this group, send email to il-antlr-interest+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/il-antlr-interest?hl=en.