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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(void) {
  13.     yylex();  // Start the lexical analysis
  14.     return 0;
  15. }
  16.  
Success #stdin #stdout #stderr 0.02s 6988KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
stderr 
ERROR: /home/Uxc1Us/prog:2:1: Syntax error: Operator expected
ERROR: /home/Uxc1Us/prog:15:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/jDqsSq
language:
Prolog (swi 7.6.4)
created:
16 days ago
visibility:
public

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