im having this error when i run flex on this: %{ #include "parser.tab.c" extern "C" int yylex(); %} %% [0-9]+ { yylval.intVal = atoi(yytext); return INTEGER_LITERA...

GCode is language used to tell multi-axis (CNC) robots how to move. It looks like this : M3 S5000 (Start Spindle Clockwise at 5000 RPM) G21 (All units in mm) G00 Z1.000000 (lift Z axis up by 1mm) G00 ...

I have a homework from school is to make a compiler in yacc and the question is : PROGRAM ::= STMT+ STMT ::= EXP | PRINT-STMT ....... I try to implement STMT+ like this : Program : STMT_PLUS { prin...

In my flex program, I am unable to use any of these regex. Usage of any of them are generating unrecognized rule error. %{ #include<stdio.h> %} %option nodefault %option noyywrap %option outfil...