tiny.l

%{
	#include <iostream>
        using namespace std;
        #include <map>
	#include "Register.hh"
	#include "symboltable.hh"
        #include "codegeneration.hh"
		#include "IntermediateCode.hh"
//	#include "symboltable.hh"
        #include "ast.hh"
        #include "Function.hh"
        #include "program.hh"	
        #include "y.tab.h"
        #include <string.h>

	int lineno=0;
	
/*	class toks{
        string tok_name;
        string tok;
        int lineno;
        public:
		toks(string tn,string t,int l){
			tok_name=tn;
			tok=t;
			lineno=l;
		}
		void print(ostream & o){
			o<<"Token Name: ";
			o.width(8);
			o<<tok_name<<"\t";
			o<<"Token: ";o.width(8);
			o<<"Lineno: "<<lineno<<endl;
			}
	};
*/
	list<toks*> tokenList;
	 		
%}

unary "++"|"--"

%%

void {tokenList.push_back(new toks("VOID","void",lineno)); return VOID;}
print {tokenList.push_back(new toks("PRINT","print",lineno)); return PRINT;}
end {tokenList.push_back(new toks("END","end",lineno));return END;}
int {//cout<<"int"<<endl;
tokenList.push_back(new toks("INTEGER","int",lineno));return INTEGER;}
return {tokenList.push_back(new toks("RETURN","return",lineno));return RETURN;}

"if"	                    {//cout<<yytext<<endl;
tokenList.push_back(new toks("IF",yytext,lineno)); return IF; }
"else"	                    {//cout<<yytext<<endl;
tokenList.push_back(new toks("ELSE",yytext,lineno)); return ELSE; }
{unary}                     {//cout<<yytext<<endl;
tokenList.push_back(new toks("REL_OP",yytext,lineno)); return UNARY; }
"<="                        {yylval.cval=(char*)malloc(sizeof(char)*strlen(yytext));
                        strcpy(yylval.cval,yytext);
						//cout<<yytext<<endl;
						tokenList.push_back(new toks("REL_OP",yytext,lineno)); return LE; }
">="                        {yylval.cval=(char*)malloc(sizeof(char)*strlen(yytext));
                        strcpy(yylval.cval,yytext);
						//cout<<yytext<<endl;
						tokenList.push_back(new toks("REL_OP",yytext,lineno)); return GE; }
"=="                        {yylval.cval=(char*)malloc(sizeof(char)*strlen(yytext));
                        strcpy(yylval.cval,yytext);
						//cout<<yytext<<endl;
						tokenList.push_back(new toks("REL_OP",yytext,lineno)); return EQ; }
"!="                        {yylval.cval=(char*)malloc(sizeof(char)*strlen(yytext));
                        strcpy(yylval.cval,yytext);
						cout<<yytext<<endl;tokenList.push_back(new toks("REL_OP",yytext,lineno)); return NE; }
">"	                    	{yylval.cval=(char*)malloc(sizeof(char)*strlen(yytext));
                        strcpy(yylval.cval,yytext);
						//cout<<yytext<<endl;
						tokenList.push_back(new toks("REL_OP",yytext,lineno)); return GT; }
"<"	                    	{yylval.cval=(char*)malloc(sizeof(char)*strlen(yytext));
                        strcpy(yylval.cval,yytext);
						//cout<<yytext<<endl;
						tokenList.push_back(new toks("REL_OP",yytext,lineno)); return LT; }
"&&"	                    {yylval.cval=(char*)malloc(sizeof(char)*strlen(yytext));
                        strcpy(yylval.cval,yytext);
						//cout<<yytext<<endl;
						tokenList.push_back(new toks("LOG_OP",yytext,lineno)); return AAND; }
"||"	                    {yylval.cval=(char*)malloc(sizeof(char)*strlen(yytext));
                        strcpy(yylval.cval,yytext);
						//cout<<yytext<<endl;
						tokenList.push_back(new toks("LOG_OP",yytext,lineno)); return OOR; }
"!"						{yylval.cval=(char*)malloc(sizeof(char)*strlen(yytext));
                        strcpy(yylval.cval,yytext);
						//cout<<yytext<<endl;
						tokenList.push_back(new toks("LOG_OP",yytext,lineno));return NNOT;}

"-"						{yylval.ch=yytext[0]; //cout<<yytext<<endl;
tokenList.push_back(new toks("OP",yytext,lineno));return SUBTRACT;}
"*"						{yylval.ch=yytext[0]; //cout<<yytext<<endl;
tokenList.push_back(new toks("OP",yytext,lineno));return MUL;}
"/"					{yylval.ch=yytext[0]; //cout<<yytext<<endl;
tokenList.push_back(new toks("OP",yytext,lineno));return DIVISION;}
"%"					{yylval.ch=yytext[0]; //cout<<yytext<<endl;
tokenList.push_back(new toks("OP",yytext,lineno));return MODULUS;}
"+"						{yylval.ch=yytext[0]; //cout<<yytext<<endl;
tokenList.push_back(new toks("OP",yytext,lineno));return ADDITION;}


[a-zA-Z][a-zA-Z0-9_]* {	//cout<<yytext<<endl;
tokenList.push_back(new toks("NAME",yytext,lineno));
                        yylval.cval=(char*)malloc(sizeof(char)*strlen(yytext));
                        strcpy(yylval.cval,yytext);
                        return ID;}

[0-9]+  {tokenList.push_back(new toks("INT",yytext,lineno)); //cout<<yytext<<endl;
  yylval.ival=atoi(yytext); return NUMBER;}

[0-9]+\.[0-9]+  {tokenList.push_back(new toks("DOUBLE",yytext,lineno)); //cout<<yytext<<endl;
  yylval.dval=atoi(yytext); return DOUB;}


[(){}=;]     {tokenList.push_back(new toks("METACHAR",yytext,lineno)); return yytext[0];}

[ \t]+	{}

\n      { lineno++;}

.	{cout<<"Not defined in Lex"<<endl;}

%%