Fwd: CD lab program's 1 & 2

[Patlolla Akhila]

---------- Forwarded message ----------
From: Arifa Tehseen <arifa....@gmail.com>
Date: Sat, Jan 31, 2015 at 2:14 PM
Subject: Fwd: CD lab program's 1 & 2
To: akhilapa...@gmail.com

%{

#include <stdio.h>

%}

%%

int|float|char|double|while|for|do|if|break|continue|void|switch|case|long|struct|const|typedef|return|else {printf("%s is a keyword",yytext);}

[a-zA-Z][a-zA-Z0-9]*    printf("Identifier %s ", yytext);

[0-9]*                  printf("Digit   %s", yytext); 

   

\+                     printf("Addition Operator ");

\-                      printf("Subtract Operator ");

\{                      printf("OPENING BRACE ");

\}                      printf("ENDING BRACE ");

;                       printf("SEMICOLON ");

\/\*                     printf("COMMENT ");

\n                      printf("\n");

[ \t]+                  /* ignore whitespace */;

%%

 int main (void) {yylex(); return 0;}

 int yywrap (void) {return 1;}

http://users.wpi.edu/~kal/compiler_labs/cgi-bin/scannerlab.cgi#output

[Patlolla Akhila]

%{

#include <stdio.h>

%}

%%

int|float|char|double|while|for|do|if|break|continue|void|switch|case|long|struct|const|typedef|return|else {printf("%s is a keyword",yytext);}

[a-zA-Z][a-zA-Z0-9]*    printf("Identifier %s ", yytext);

[0-9]*                  printf("Digit   %s", yytext); 

   

\+                     printf("Addition Operator ");

\-                      printf("Subtract Operator ");

\{                      printf("OPENING BRACE ");

\}                      printf("ENDING BRACE ");

;                       printf("SEMICOLON ");

\/\*                     printf("COMMENT ");

\n                      printf("\n");

[ \t]+                  /* ignore whitespace */;

%%

 int main (void) {yylex(); return 0;}

 int yywrap (void) {return 1;}

http://users.wpi.edu/~kal/compiler_labs/cgi-bin/scannerlab.cgi#output

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