[antlr-interest] Problem getting all tokens in AST for GnuCParser.g

[edcjones]

I want GnuCParser.g to send all tokens (except preprocessor directives
and comments) to the AST. I removed a number of "!"s from the grammar.
If I remove the "!" from

|!       "for"
         LPAREN ( e1:expr )? SEMI ( e2:expr )? SEMI ( e3:expr )? RPAREN
         s:statement
         ...

antlr appears to go into an infinite loop. How can I get the "(", ";",
";", and ")" included in the AST?



 

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