lexique.l

%option yylineno
%{
	#include <stdio.h>
	#include "y.tab.h"
%}


blancs    [ \n\t]+

letter		[a-zA-Z]
digit		[0-9]
integer    {digit}+
exposant  [eE][+-]?{integer}


%%

"main"					{return tMAIN;}
"printf"				{return tPRINTF;}
"{"						{return tOPENED_BRACKET;}
"}"						{return tCLOSED_BRACKET;}
"void"					{return tVOID;}
"return"				{return tRETURN;}
"const"					{return tCONST;}
"if"					{return tIF;}
"else"					{return tELSE;}
"while"					{return tWHILE;}
"int"					{return tINT;}
"!"						{return tNOT;}
">"						{return tGREATERTHAN;}
"<"						{return tLOWERTHAN;}
"+"						{return tADD;}
"-"						{return tMINUS;}
"*"						{return tMUL;}
"/"						{return tDIV;}
"="						{return tEQUAL;}
"("						{return tOPENED_PARENTHESIS;}
")"						{return tCLOSED_PARENTHESIS;}
","						{return tCOMMA;}
"\\n"					{return tNEWLINE;}
";"						{return tSEMICOLON;}
{integer}{exposant}		{
							yylval.nb = (int) atof(yytext);
							return tINTEGER_EXP_FORM;
						}

{integer}				{
							yylval.nb = atoi(yytext);
							return tINTEGER_DEC_FORM;
						}

{letter}[a-zA-Z0-9_]*	{
							yylval.var = strdup(yytext);
							return tID;
						}

{blancs}				{};
.						{return tERROR;}

%%