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  1. %%writefile program.l
  2.  
  3. %{
  4.     #include "y.tab.h"
  5. %}
  6. %%
  7. [a-zA-Z] {return LETTER;}
  8. [0-9] {return DIGIT;}
  9. [_] {return UND;}
  10. \n {return NL;}
  11. . {return yytext[0];}
  12. %%
Success #stdin #stdout #stderr 0.02s 6904KB
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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/slmtRf/prog:4:5: Syntax error: Operator expected
ERROR: /home/slmtRf/prog:12:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/ddTe0m
language:
Prolog (swi 7.6.4)
created:
4 days ago
visibility:
public

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