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  1. %{
  2. #include <stdio.h>
  3. %}
  4.  
  5. %%
  6.  
  7. [+-]?([0-9]\.[0-9]+|[0-9]+\.[0-9]) {
  8.     printf("Signed Real Number: %s\n", yytext);
  9. }
  10.  
  11. .|\n   { /* ignore other input */ }
  12.  
  13. %%
  14.  
  15. int main() {
  16.     yylex();
  17.     return 0;
  18. }
Success #stdin #stdout #stderr 0.03s 6928KB
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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/udinBI/prog:18:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/zmdqgF
language:
Prolog (swi 7.6.4)
created:
1 day ago
visibility:
public

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