I fine there are many #line xxx ?c-parse.y? statements in c-parse.c file. What is the use of the #line pragma? When I gdb the yyparse function, I find it is not line-by-line consistent with the c-parse.c file. How to make the gdb process easier? Thanks ---------------------------------------------------------------------------- -------- MiWei Advanced Compiler Lab Institute of Computing Technology Chinese Academy of Science mail: miwei@xxxxxxxxx ---------------------------------------------------------------------------- --------