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  1. %{
  2. #include <stdio.h>
  3. %}
  4.  
  5. INTE [0-9]+
  6. FLOAT [0-9]+\.[0-9]+
  7.  
  8. %%
  9.  {INTE}{printf("IT is an integer:%s\n",yytext);}
  10.  {FLOAT}{printf("it is a float number:%s\n",yytext);}
  11. %%
  12.  
  13. int yywrap()
  14. {
  15.     return 1;
  16. }
  17. int main()
  18. {
  19.     yylex();
  20.     return 0;
  21. }
  22.  
Success #stdin #stdout #stderr 0.03s 6860KB
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stdin
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2
stdout
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Standard output is empty
stderr
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ERROR: /home/hiNAId/prog:21:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/WMXZXN
language:
Prolog (swi 7.6.4)
created:
6 days ago
visibility:
public

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