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  1. %option noyywrap
  2. %{
  3. #include
  4. %}
  5. %%
  6. int|float { printf("DATATYPE: %s\n", yytext); }
  7. if|else { printf("CONTROL FLOW: %s\n", yytext); }
  8. [0-9]+ { printf("NUMBER: %s\n", yytext); }
  9. [a-zA-Z][a-zA-Z0-9]* { printf("IDENTIFIER: %s\n",yytext); } [ \t\n] ; // Ignore whitespaces
  10. . { printf("UNKNOWN: %s\n", yytext); }
  11. %%
  12. int main() {
  13. yylex();
  14. return 0}
Success #stdin #stdout #stderr 0.03s 6928KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
stderr 
ERROR: /home/ehzCUx/prog:3:1: Syntax error: Operator expected
ERROR: /home/ehzCUx/prog:14:8: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/ji2HDq
language:
Prolog (swi 7.6.4)
created:
2 days ago
visibility:
public

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