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Re: Why won't this basic Parse::RecDescent example work?

by 7stud (Deacon)
on Jan 30, 2013 at 00:33 UTC ( #1015944=note: print w/ replies, xml ) Need Help??

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  1. or download this
    my $grammar = <<'END_OF_GRAMMAR';
    
    ...
        id: m{ \d+ }xms
    
    END_OF_GRAMMAR
    
  2. or download this
    my $text = "employee Joe 10";
    
    ...
    
    defined $parser->employee_info($text) 
        or die "Text doesn't match";
    
  3. or download this
    my $grammar = <<'END_OF_GRAMMAR';
    
    ...
    
    END_OF_GRAMMAR
    
  4. or download this
    
    use strict; 
    ...
    employee
    Joe
    10
    
  5. or download this
        myrule: brace_clause
                            
        brace_clause: '{' word '}'
    
        word: m{ [a-z]+ }xms
    
  6. or download this
        myrule: brace_clause
                            
    ...
                      { print "$_\n" for @item; }
    
        word: m{ [a-z]+ }xms
    
  7. or download this
    brace_clause   #the rule name
    {              #the match for '{'
    hello          #the match for word 
    }              #the match for '}'
    
  8. or download this
        myrule: brace_clause
                { print "$_\n" for @item; }
    ...
        brace_clause: '{' word '}'
    
        word: m{ [a-z]+ }xms
    
  9. or download this
    myrule
    { hello }
    
  10. or download this
    myrule
    }
    
  11. or download this
        myrule: brace_clause
                { print "$_\n" for @item; }
    ...
    myrule
    { hello }
    
  12. or download this
    my $grammar = <<'END_OF_GRAMMAR';
        
    ...
        
    
    END_OF_GRAMMAR
    
  13. or download this
    my $grammar = <<'END_OF_GRAMMAR';
    
    ...
            ];
    
    
  14. or download this
    use strict; 
    use warnings; 
    ...
            ];
    
    
  15. or download this
        employee_info:  'employee' 
                         name
    ...
                         
        name: m{ \S+ }xms
        id: m{ \d+ }xms
    
  16. or download this
        employee_info:  'employee' 
                         name
                         { say $item[1]; }
                         id
                         { say $item[3] }  #print match for id
    
  17. or download this
    my $grammar = <<'END_OF_GRAMMAR';
        
    ...
        }
    
    ...
    
  18. or download this
      my $grammar = <<'END_OF_GRAMMAR';
        
    ...
    
    
    ...
    
  19. or download this
    Unknown starting rule (Parse::RecDescent::namespace000001::startrule) 
    +called
     at 3.pl line 76.
    
  20. or download this
    defined $parser->another_rule($text) 
        or die "Text doesn't match";
    
  21. or download this
    
        word_list: word(s /,/)
     
        word : m{ [^,]+ }xms
    
  22. or download this
    
        word_list:  word(s /,/)
    ...
    
        word : m{ [^,]+ }xms
    
  23. or download this
    $VAR1 = [
              'word_list',
    ...
                'mars'
              ]
            ];
    
  24. or download this
    my $grammar = <<'END_OF_GRAMMAR';
    
    ...
              ]
            ];
    
  25. or download this
        some_rule_name:  'hello' word(s /,/)
    
        word : m{ [^,]+ }xms
    
  26. or download this
        $item{'word(s /,/)'}
    
  27. or download this
        $item[-1]
    
  28. or download this
    
    $VAR1 = [
    ...
              ]
            ];
    
  29. or download this
        cmd_choices: 'commands->' quoted_string(s)    
                     { 
    ...
    --output:--
    go to
    stop
    
  30. or download this
    use strict; 
    use warnings; 
    ...
              'phone_numbers' => '10'
            };
    
  31. or download this
    my $text = <<'END_OF_TEXT';
    {{ hello }}
    ...
        lbrace: / [{] /xms
    
    END_OF_GRAMMAR
    
  32. or download this
    
    my $text = <<'END_OF_TEXT';
    ...
    
    END_OF_GRAMMAR
    

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