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  1. %{
  2. #include <stdio.h>
  3. %}
  4.  
  5. %%
  6. hello   { printf("World\n"); }    // When "hello" is matched, print "World"
  7. .|\n    { ECHO; }                  // For any other input, print as is
  8. %% 
  9.  
  10. int main() {
  11.     yylex(); // Start the lexer
  12.     return 0;
  13. }
  14.  
Success #stdin #stdout #stderr 0.03s 6952KB
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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/sUm7xS/prog:13:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/EWdhQ5
language:
Prolog (swi 7.6.4)
created:
5 days ago
visibility:
public

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