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minako-lexic.l

+%option yylineno noyywrap nounput noinput nodefault
+
+%{
+#include "minako.h"
+
+extern int fileno(FILE *stream);
+
+void invalid_token() {
+  fprintf(stderr, "Invalid Token: \"%s\"\n", yytext);
+  exit(EXIT_FAILURE);
+}
+%}
+
+%s st
+
+BLOCK_COMMENT     "/*"((("*"[^/])?)|[^*])*"*/"
+LINE_COMMENT      "//".*
+INT               [0-9]+
+FLOAT             [0-9]+"."[0-9]+|"."[0-9]+([eE]([-+])?[0-9]+)?|[0-9]+[eE]([-+])?[0-9]+
+ID                ([a-zA-Z])+([0-9]|[a-zA-Z])*
+PUNCTUATION       "+"|"-"|"*"|"/"|"="|"("|")"|"{"|"}"|","|";"
+WHITESPACE        [ \t\n\r]
+
+%%
+
+{BLOCK_COMMENT}
+{LINE_COMMENT}
+
+bool              return KW_BOOLEAN;
+do                return KW_DO;
+else              return KW_ELSE;
+float             return KW_FLOAT;
+for               return KW_FOR;
+if                return KW_IF;
+int               return KW_INT;
+printf            return KW_PRINTF;
+return            return KW_RETURN;
+void              return KW_VOID;
+while             return KW_WHILE;
+&&                return AND;
+\|\|              return OR;
+==                return EQ;
+!=                return NEQ;
+\>=               return GEQ;
+\<=               return LEQ; 
+\>                return GRT;
+\<                return LSS;
+
+{INT}             yylval.intValue = atoi(yytext); return CONST_INT;
+{FLOAT}           yylval.floatValue = atof(yytext); return CONST_FLOAT;
+true              yylval.intValue = 1; return CONST_BOOLEAN;
+false             yylval.intValue = 0; return CONST_BOOLEAN;
+\"                BEGIN(st);
+<st>[^\n\"]*/\"   yylval.string = yytext; BEGIN(INITIAL);return CONST_STRING;
+{ID}              yylval.string = yytext; return ID;
+
+{PUNCTUATION}     return (int)(*yytext);
+{WHITESPACE}
+.                 invalid_token();
+<<EOF>>					  return EOF;
+
+%%