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  1. %{
  2. #include <ctype.h>
  3. %}
  4.  
  5. %%
  6. [A-Z]   { printf("%c", tolower(yytext[0])); }
  7. .       { printf("%c", yytext[0]); }
  8. %%
  9.  
  10. int main() {
  11.     yylex();
  12.     return 0;
  13. }
  14.  
Success #stdin #stdout #stderr 0.02s 6904KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
stderr 
ERROR: /home/laftPW/prog:2:1: Syntax error: Operator expected
ERROR: /home/laftPW/prog:13:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/OBmvQq
language:
Prolog (swi 7.6.4)
created:
3 days ago
visibility:
public

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