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  1. %{
  2.  
  3. /* Implementing yymore() */
  4. #undef yywrap
  5. #define yywrap() 1
  6.  
  7. %}
  8.  
  9. %%
  10.  
  11. [a-z]+ {
  12.  
  13. 	printf("\nLowercase letter = ");
  14. 	ECHO;
  15. 	printf("\nStart of 1st yymore\n");
  16. 	yymore();
  17. 	printf("\nEnd of 1st yymore\n");
  18. }
  19.  
  20. [A-Z]+ {
  21. 	printf("\nUppercase letter = ");
  22. 	ECHO;
  23. 	printf("\nStart of 2nd yymore\n");
  24. 	yymore();
  25. 	printf("\nEnd of 2nd yymore\n");
  26. }
  27.  
  28.  
  29. %%
  30.  
  31.  
  32. main()
  33. {
  34.  
  35. yylex();
  36.  
  37. }
Success #stdin #stdout #stderr 0.02s 6888KB
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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/qP17o8/prog:37:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/frM3mE
language:
Prolog (swi 7.6.4)
created:
1 year ago
visibility:
public

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