%{
	#include <iostream>
	#include "node.hpp"
	#include "grammar.hpp"

	#define YYLEX grammarlex
	
	#define SAVE_TOKEN grammarlval.string = new std::string( yytext, yyleng )
	#define DEBUG( what ) std::cerr << "DEBUG: " << what << " '" << yytext << "'" << std::endl
	#define TOKEN( t ) ( grammarlval.token = t )
%}

%%

[ \t\n]			;
[a-zA-Z_][a-zA-Z0-9_]*	DEBUG( "TIDENTIFIER" ); SAVE_TOKEN; return TIDENTIFIER;
[0-9]+                  DEBUG( "TINTEGER" ); SAVE_TOKEN; return TINTEGER;
"("                     DEBUG( "TLPAREN" ); return TOKEN( TLPAREN );
")"                     DEBUG( "TRPAREN" ); return TOKEN( TRPAREN );
"{"                     DEBUG( "TLBRACE" ); return TOKEN( TLBRACE );
"}"                     DEBUG( "TRBRACE" ); return TOKEN( TRBRACE );
"="                     DEBUG( "TEQUAL" ); return TOKEN( TEQUAL );
"*"                     DEBUG( "TMUL" ); return TOKEN( TMUL );
"+"                     DEBUG( "TPLUS" ); return TOKEN( TPLUS );
","                     DEBUG( "TCOMMA" ); return TOKEN( TCOMMA );
"//".*                  // ignore comments;
.			std::cerr << "ERROR: Unknown token '" << yytext << "'" << std::endl; yyterminate( );

%%

int grammarwrap( void )
{
	return 1;
}