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  1. %{
  2. #include<stdio.h>
  3. %}
  4. %%
  5. int|float|for|if|else|while {printf("keyword");}
  6. [a-zA-Z][a-zA-Z0-9]* {printf("identifier");}
  7. [0-9]+ {printf("identifier");}
  8. %%
  9. int main(){
  10. printf("enter ip: ");
  11. yylex();
  12. }
  13. int yywrap(){
  14. return 1;
  15. }
Success #stdin #stdout #stderr 0.02s 6856KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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ERROR: /home/KpqLJK/prog:15:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/QEXEwJ
language:
Prolog (swi 7.6.4)
created:
2 days ago
visibility:
public

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