File Coverage

blib/lib/MarpaX/Languages/C/AST/Impl.pm

Criterion	Covered	Total	%
statement	47	63	74.6
branch	3	8	37.5
condition	2	4	50.0
subroutine	22	32	68.7
pod	25	25	100.0
total	99	132	75.0

use strict;
use warnings FATAL => 'all';

package MarpaX::Languages::C::AST::Impl;

# ABSTRACT: Implementation of Marpa's interface

# use MarpaX::Languages::C::AST::Util qw/traceAndUnpack/;
use Marpa::R2 2.081001;
use Carp qw/croak/;
use MarpaX::Languages::C::AST::Impl::Logger;

our $VERSION = '0.45'; # VERSION

our $MARPA_TRACE_FILE_HANDLE;
our $MARPA_TRACE_BUFFER;

sub BEGIN {
    #
    ## We do not want Marpa to pollute STDERR
    #
    ## Autovivify a new file handle
    #
    open($MARPA_TRACE_FILE_HANDLE, '>', \$MARPA_TRACE_BUFFER);
    if (! defined($MARPA_TRACE_FILE_HANDLE)) {
      croak "Cannot create temporary file handle to tie Marpa logging, $!\n";
    } else {
      if (! tie ${$MARPA_TRACE_FILE_HANDLE}, 'MarpaX::Languages::C::AST::Impl::Logger') {
        croak "Cannot tie $MARPA_TRACE_FILE_HANDLE, $!\n";
        if (! close($MARPA_TRACE_FILE_HANDLE)) {
          croak "Cannot close temporary file handle, $!\n";
        }
        $MARPA_TRACE_FILE_HANDLE = undef;
      }
    }
}


sub new {

  my ($class, $grammarOptionsHashp, $recceOptionsHashp) = @_;

  my $self  = {
      _cacheRule => {}
  };
  $self->{grammar} = Marpa::R2::Scanless::G->new($grammarOptionsHashp);
  if (defined($recceOptionsHashp)) {
      $recceOptionsHashp->{grammar} = $self->{grammar};
  } else {
      $recceOptionsHashp = {grammar => $self->{grammar}};
  }
  $recceOptionsHashp->{trace_terminals} = $ENV{MARPA_TRACE_TERMINALS} || $ENV{MARPA_TRACE} || 0;
  $recceOptionsHashp->{trace_values} = $ENV{MARPA_TRACE_VALUES} || $ENV{MARPA_TRACE} || 0;
  $recceOptionsHashp->{trace_file_handle} = $MARPA_TRACE_FILE_HANDLE;
  $self->{recce} = Marpa::R2::Scanless::R->new($recceOptionsHashp);
  bless($self, $class);

  return $self;
}


sub value {
  return $_[0]->{recce}->value(@_[1..$#_]);
}


sub read {
  return $_[0]->{recce}->read(@_[1..$#_]);
}


sub resume {
  return $_[0]->{recce}->resume(@_[1..$#_]);
}


sub last_completed {
  return $_[0]->{recce}->last_completed(@_[1..$#_]);
}


sub last_completed_range {
  return $_[0]->{recce}->last_completed_range(@_[1..$#_]);
}


sub range_to_string {
  return $_[0]->{recce}->range_to_string(@_[1..$#_]);
}


sub event {
  return $_[0]->{recce}->event(@_[1..$#_]);
}


sub pause_lexeme {
  return $_[0]->{recce}->pause_lexeme(@_[1..$#_]);
}


sub pause_span {
  return $_[0]->{recce}->pause_span(@_[1..$#_]);
}


sub literal {
  return $_[0]->{recce}->literal(@_[1..$#_]);
}


sub line_column {
  return $_[0]->{recce}->line_column(@_[1..$#_]);
}


sub substring {
  return $_[0]->{recce}->substring(@_[1..$#_]);
}


sub lexeme_read {
  return $_[0]->{recce}->lexeme_read(@_[1..$#_]);
}


sub lexeme_alternative {
  return $_[0]->{recce}->lexeme_alternative(@_[1..$#_]);
}


sub lexeme_complete {
  return $_[0]->{recce}->lexeme_complete(@_[1..$#_]);
}


sub current_g1_location {
  return $_[0]->{recce}->current_g1_location(@_[1..$#_]);
}


sub g1_location_to_span {
  return $_[0]->{recce}->g1_location_to_span(@_[1..$#_]);
}


sub terminals_expected {
  return $_[0]->{recce}->terminals_expected(@_[1..$#_]);
}


sub show_progress {
  return $_[0]->{recce}->show_progress(@_[1..$#_]);
}


sub start_symbol_id {
  return $_[0]->{grammar}->start_symbol_id(@_[1..$#_]);
}


sub rule_ids {
  return $_[0]->{grammar}->rule_ids(@_[1..$#_]);
}


sub symbol_name {
  return $_[0]->{grammar}->symbol_name(@_[1..$#_]);
}


sub rule_name {
  return $_[0]->{grammar}->rule_name(@_[1..$#_]);
}


sub rule_expand {
  return $_[0]->{grammar}->rule_expand(@_[1..$#_]);
}

1;

__END__