Please i need your help. Basically, I am facing this warning message upon compiling with gcc, and am not able to deduce the error:
I am using Flex/Bison/C++ to evaluate an expression Here is a sample bison file string res; yy_scan_string(expression.c_str());
Suppose my YYSTYPE is a struct with a pointer to the 开发者_开发问答next struct. Can I direct that pointer to YYSTYPE values of other grammar variables, or are their YYSTYPE values local and will disa
Please i am trying to pass the yyleng of a matched string from my (.l) file to the (.y) file. Here is a sample of the issue:
I am calling yyparse from a member function. How to access the member variables/function from the bison action.
For grammar parser, I used to \"play\" with Bison which have its pros/cons. Last week, I noticed on SqLite site that开发者_开发百科 the engine is done with another grammar parser:Lemon
Please, how can i convert a matched string in lex (yytext) from small letters to capital letters? If 开发者_JS百科you can provide me an example i would be grateful.
开发者_如何学C As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references,or expertise, but this question will likely sol
Hello I\'m using bison for a compiler for study purposes, i got the next code: if : if2 if1; if2: SE expressao {$1 = (struct lbs *) newlblrec(); $1->for_jmp_false = reserve_loc(); $1->label
I am using flex and bison to implement a parser. A problem that I came across is that how can I give the tokens of s separate flex file to the parser. when I try to compile my parser.tab.c it complain