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  1. %{
  2.     #include <stdio.h>
  3.     int int_count = 0, float_count = 0;
  4. %}
  5.  
  6. %%
  7. [0-9]+        printf("Integer: %s\n", yytext); int_count++; 
  8. [0-9]+\.[0-9]+   printf("Float: %s\n", yytext); float_count++; 
  9. .         
  10. %%
  11. int main() {
  12.     yylex(); // Run the lexer
  13.  
  14.     printf("\nTotal Integers: %d\n", int_count);
  15.     printf("Total Floats: %d\n", float_count);
  16.  
  17.     return 0;
  18. }
  19. int yywrap() {
  20.     return 1;
  21. }
Success #stdin #stdout #stderr 0.02s 6984KB
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stdin
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3 4 5 6.6
stdout
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Standard output is empty
stderr
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ERROR: /home/bvsWjL/prog:2:5: Syntax error: Operator expected
ERROR: /home/bvsWjL/prog:21:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? ERROR: Unknown option (h for help)
   Exception: (3) program ? EOF: exit
https://ideone.com/2nqIyj
language:
Prolog (swi 7.6.4)
created:
12 days ago
visibility:
public

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