I have an ANTLR grammar which creates an AST, and then I have written two tree grammars that create tree parsers for doing two passes on the AST for semantic analysis purposes. (After that I do anothe
I am unable to understand why this simple grammar - grammar Test; file:ID; ID:.*; leads to this error - Test.g:3:6: The follo开发者_开发问答wing alternatives can never be matched: 1
I need to make a vhdl parser. I decided to use the antlr parser generator and the vhdl grammar from their website http://www.antlr.org/grammar/1202750770887/vhdl.g.
I\'m able to successfully generate C# code (CSharp2) for my gra开发者_如何学JAVAmmar written using ANTLRWorks. But I would like to do the same without all the debug statements that are generated by de
Why do I get this error开发者_Go百科 while generating code in ANTLR? [16:06:38] error(10):internal error: C:\\Users\\user\\Desktop\\test.g : java.lang.ClassCastException: org.antlr.runtime.tree.Commo
I know it is possible to switch between the default and hidden token channels in an ANTLR grammar, but lets say I want a third channel. How can I define a new token channel in the gramar?For instance,
When enter the following input with an error at the third line: SELECT entity_one, entity_two FROM myTable;
Given the following basic grammar I want to understand how I can handle comment lines. Missing is the handling of the <CR><LF> which usually terminates the comment line - the only exceptio
Is there any way to match a token in antlr except a specific one? I have a rule which states that a \'_\' can be an ID. Now I have a specific situation in which I want to match an ID, but in this par
I have some non-reserved keywords I\'m matching with rules like: kFOO = {self.input.LT(1).text.lower() == \'foo\'}? ID;
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