floc.lpp

%option noyywrap
%option yylineno

%{
#include <stdio.h>

#define YY_DECL int yylex()

#include "floc.tab.hpp"

%}

%%

[ \t]	; // ignore all whitespace
[0-9]+		{ yylval.val = atoi(yytext); return T_INT;}
\n+		{return T_NEWLINE;}
"+"		{return '+';}
"-"		{return '-';}
"*"		{return '*';}
"/"		{return '/';}
"("		{return '(';}
")"		{return ')';}
"{"             {return '{';}
"}"             {return '}';}
"|"             {return '|';}
":"             {return ':';}
"?"             {return '?';}
"&"             {return '&';}
"<"             {return '<';}
">"             {return '>';}
"="             {return '=';}
">="            {return T_GE;}
"<="            {return T_LE;}
"=="            {return T_EQ;}
"!="            {return T_NE;}
"def"           {return T_DEF;}
[a-zA-Z]+       { yylval.name = yytext; return T_ID;}

%%