I\'m getting a message from yacc saying that there is a shift/reduce conflict.I think it\'s coming from this part of the yacc file.
I try to input the following into my yacc parser: int main(void) { return; } It looks valid to me according to what\'s defined in the yacc file, but I get a \"syntax error\" message after the retur
In my yacc file I have things like the following: var_declaration : type_specifier ID \';\' type_specifier ID \'[\' NUM \']\' \';\' ;
I have a set of XML documents that all share the same schema.(They\'re SAPI grammars with semantic tags, if that matters.)I can use the documents to match text strings, returning a set of at开发者_JAV
I have an ANTLR grammar for a simple DSL, and everything works swimmingly when there are no syntax errors.Now, however, I need to support an auto-completion mechanism, where I need to get possible com
grammar Test; IDHEAD: (\'a\'..\'z\' | \'A\'..\'Z\' | \'_\'); IDTAIL: (IDHEAD | \'0\'..\'9\'); ID:(IDHEAD IDTAIL*);
Throughout a Bison grammar I am using right recursion, and I have read that left recursion is better because it doesn\'t have to build the whole stack first.
What is a regexp that accepts everything over the language {0,1} but has no substring 110 or 101? Accept:
I wonder how to determine the FIRST set of E with grammar: E -> XYE | e X -> x Y -> y Ca开发者_如何学编程n anyone give me some direction?Well, assuming that you\'re starting with E, then e
Perl has been one of my go-to programming language tools for years and years. Pe开发者_运维问答rl 6 grammars looks like a great language feature. I\'d like to know if someone has started something lik