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added function to tokenize operators

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Annie
2025-02-11 14:23:28 -05:00
parent 1701904c08
commit e3e55f49f8
1 changed files with 18 additions and 3 deletions
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21
lexicalStructure.lex
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@ -1,4 +1,4 @@
/* Lexical Analysis with Flex (2.6.0) We used some of the code from this manual */
/* Lexical Analysis with Flex (1.6.0) We used some of the code from this manual */
/* so we placed the citation here. */
/* definitions */
%option noyywrap
@ -27,10 +27,25 @@
"function" {printf("FUNCTION %s, Token %d\n",yytext, FUNCTION);} //{return FUNCTION}
"return" {printf("RETURN %s, Token %d\n",yytext, RETURN);} //{return RETURN}
"external" {printf("EXTERNAL %s, Token %d\n",yytext, EXTERNAL);} //{return EXTERNAL}
"as" {printf("AS %s, Token %d\n",yytext, AS);} //{return AS}
"as" {printf("AS %s, Token %d\n",yytext, AS);} //{return AS}//%
/* OPERATORS */
\+ {printf("ADD %s, Token %d\n",yytext, ADD);} //return ADD
\- {printf("SUB_OR_NEG %s, Token %d\n",yytext, SUB_OR_NEG);} //return SUB_OR_NEG
\* {printf("MUL %s, Token %d\n",yytext, MUL);} //return MUL
\/ {printf("DIV %s, Token %d\n",yytext, DIV);} //return DIV
\% {printf("REM %s, Token %d\n",yytext, REM);} //return REM
\< {printf("LESS_THAN %s, Token %d\n",yytext, LESS_THAN);} //return LESS_THAN
= {printf("EQUAL_TO %s, Token %d\n",yytext, EQUAL_TO);} //return EQUAL_TO
:= {printf("ASSIGN %s, Token %d\n",yytext, ASSIGN);} //return ASSIGN
! {printf("NOT %s, Token %d\n",yytext, NOT);} //return NOT
& {printf("AND %s, Token %d\n",yytext, AND);} //return AND
\| {printf("OR %s, Token %d\n",yytext, OR);} //return OR
\. {printf("DOT %s, Token %d\n",yytext, DOT);} //return DOT
%%
int main(int argc, char *argv[]){
argc--, argv++;
if ( argc > 0 )