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  1. %{
  2.   #include <stdio.h>
  3. %}
  4. %%
  5. "+"     { printf("PLUS Operator\n"); }
  6. "-"     { printf("MINUS Operator\n"); }
  7. "*"     { printf("MULTIPLY Operator\n"); }
  8. "/"     { printf("DIVIDE Operator\n"); }
  9. [0-9]+  { printf("NUMBER: %s\n", yytext); }
  10. .       { printf("UNKNOWN CHARACTER: %s\n", yytext); }
  11. %%
  12. int main() { yylex(); return 0; }
  13. int yywrap() { return 1; }
  14.  
Success #stdin #stdout #stderr 0.03s 6924KB
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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/IUWziO/prog:2:3: Syntax error: Operator expected
ERROR: /home/IUWziO/prog:13:26: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/SlxmEJ
language:
Prolog (swi 7.6.4)
created:
1 day ago
visibility:
public

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