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  1. %{
  2. #include <stdio.h>
  3. %}
  4.  
  5. %%
  6. [0-9]+          { printf("NUMBER: %s\n", yytext); }
  7. [a-zA-Z]+       { printf("WORD: %s\n", yytext); }
  8. [ \t\n]+        { /* Ignore whitespace */ }
  9. .               { printf("UNKNOWN: %s\n", yytext); }
  10. %%
  11.  
  12. int main(int argc, char **argv) {
  13.     yylex();
  14.     return 0;
  15. }
  16.  
  17. int yywrap() {
  18.     return 1;
  19. }
  20.  
Success #stdin #stdout #stderr 0.02s 6908KB
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stdin
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nidhin joseph 146 shbhs
stdout
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Standard output is empty
stderr
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ERROR: /home/ZaW8c3/prog:2:1: Syntax error: Operator expected
ERROR: /home/ZaW8c3/prog:19:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/lyuQlG
language:
Prolog (swi 7.6.4)
created:
46 days ago
visibility:
public

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