linguo.l

%{
#include <string>
#include "ast.h"
#include "linguo.tab.hpp"

#define SAVE_TOKEN yylval.string = new std::string(yytext, yyleng)
#define TOKEN(t) (yylval.token = t)
%}

%option noyywrap

%%

[ \t\r\n]+                { /* Skip whitespace */ }
"//".*                    { /* Skip comments */ }
"remember"                  return TOKEN(TREMEMBER);
"as"                        return TOKEN(TAS);
"say"                       return TOKEN(TSAY);
"when"                      return TOKEN(TWHEN);
"or"                        return TOKEN(TOR);
"done"                      return TOKEN(TDONE);
"end"                       return TOKEN(TEND); 
"becomes"                   return TOKEN(TASSIGN);
"do"                        return TOKEN(TDO);
"this"                      return TOKEN(TTHIS);
"times"                     return TOKEN(TTIMES);
"create"                    return TOKEN(TCREATE);
"call"                      return TOKEN(TCALL);
"increase"                  return TOKEN(TINCREASE);
"decrease"                  return TOKEN(TDECREASE);
"multiply"                  return TOKEN(TMULTIPLY);
"divide"                    return TOKEN(TDIVIDE);
"by"                        return TOKEN(TBY);
"is"                        return TOKEN(TIS);
"equal"                     return TOKEN(TEQUAL);
"to"                        return TOKEN(TTO);
"not"                       return TOKEN(TNOT);
"more"                      return TOKEN(TMORE);
"than"                      return TOKEN(TTHAN);
"less"                      return TOKEN(TLESS);
"and"                       return TOKEN(TAND);
"or"                        return TOKEN(TOR_OP);
"give"                      return TOKEN(TGIVE);  
"back"                      return TOKEN(TBACK);  
"true"                      { yylval.boolean = true; return TBOOL; }
"false"                     { yylval.boolean = false; return TBOOL; }
"with"                      return TOKEN(TWITH);  // New token for parameter lists
[a-zA-Z_][a-zA-Z0-9_]*     SAVE_TOKEN; return TIDENTIFIER;
[0-9]+                      { yylval.integer = atoi(yytext); return TINTEGER; }
\"([^\"]|\\\")*\"           { 
                              std::string str(yytext + 1, yyleng - 2); 
                              yylval.string = new std::string(str); 
                              return TSTRING; 
                            }
"+"                         return TOKEN(TPLUS);
"-"                         return TOKEN(TMINUS);
"*"                         return TOKEN(TMUL);
"/"                         return TOKEN(TDIV);
"("                         return TOKEN(TLPAREN);
")"                         return TOKEN(TRPAREN);
","                         return TOKEN(TCOMMA);  // New token for separating parameters
.                           printf("Invalid character: %s\n", yytext); 

%%