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use strict; |
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use warnings FATAL => 'all'; |
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package MarpaX::Languages::ECMAScript::AST::Impl; |
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# ABSTRACT: Implementation of Marpa's interface |
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use Marpa::R2 2.080000; |
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use MarpaX::Languages::ECMAScript::AST::Exceptions qw/:all/; |
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use MarpaX::Languages::ECMAScript::AST::Impl::Logger; |
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use MarpaX::Languages::ECMAScript::AST::Impl::Singleton; |
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our $VERSION = '0.019'; # VERSION |
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our $MARPA_TRACE_FILE_HANDLE; |
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our $MARPA_TRACE_BUFFER; |
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sub BEGIN { |
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# |
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## We do not want Marpa to pollute STDERR |
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# |
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## Autovivify a new file handle |
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# |
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open($MARPA_TRACE_FILE_HANDLE, '>', \$MARPA_TRACE_BUFFER); |
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if (! defined($MARPA_TRACE_FILE_HANDLE)) { |
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InternalError(error => "Cannot create temporary file handle to tie Marpa logging, $!\n"); |
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} else { |
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if (! tie ${$MARPA_TRACE_FILE_HANDLE}, 'MarpaX::Languages::ECMAScript::AST::Impl::Logger') { |
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InternalError(error => "Cannot tie $MARPA_TRACE_FILE_HANDLE, $!\n"); |
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if (! close($MARPA_TRACE_FILE_HANDLE)) { |
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InternalError(error => "Cannot close temporary file handle, $!\n"); |
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} |
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$MARPA_TRACE_FILE_HANDLE = undef; |
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} |
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} |
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} |
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our $singleton = MarpaX::Languages::ECMAScript::AST::Impl::Singleton->instance(); |
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40
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sub new { |
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my ($class, $grammarOptionsHashp, $recceOptionsHashp) = @_; |
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1
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my $self->{grammar} = $singleton->G($grammarOptionsHashp); |
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1
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if (defined($recceOptionsHashp)) { |
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1
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$recceOptionsHashp->{grammar} = $self->{grammar}; |
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} else { |
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0
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$recceOptionsHashp = {grammar => $self->{grammar}}; |
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} |
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1
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$recceOptionsHashp->{trace_terminals} = $ENV{MARPA_TRACE_TERMINALS} || $ENV{MARPA_TRACE} || 0; |
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$recceOptionsHashp->{trace_values} = $ENV{MARPA_TRACE_VALUES} || $ENV{MARPA_TRACE} || 0; |
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$recceOptionsHashp->{trace_file_handle} = $MARPA_TRACE_FILE_HANDLE; |
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# |
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# Save recceOptionsHashp for further use |
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# |
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1
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$self->{_recceOptionsHashp} = $recceOptionsHashp; |
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59
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1
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5
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bless($self, $class); |
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61
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1
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return $self; |
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} |
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64
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65
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sub make_R { |
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$_[0]->{recce} = Marpa::R2::Scanless::R->new($_[0]->{_recceOptionsHashp}); |
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} |
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69
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70
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sub destroy_R { |
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$_[0]->{recce} = undef; |
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} |
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74
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sub value { |
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return $_[0]->{recce}->value(@_[1..$#_]); |
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} |
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79
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80
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sub read { |
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return $_[0]->{recce}->read(@_[1..$#_]); |
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} |
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84
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85
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sub resume { |
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return $_[0]->{recce}->resume(@_[1..$#_]); |
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} |
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89
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90
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sub last_completed { |
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return $_[0]->{recce}->last_completed(@_[1..$#_]); |
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} |
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94
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95
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sub last_completed_range { |
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return $_[0]->{recce}->last_completed_range(@_[1..$#_]); |
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} |
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99
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100
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sub range_to_string { |
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return $_[0]->{recce}->range_to_string(@_[1..$#_]); |
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} |
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104
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105
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sub event { |
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return $_[0]->{recce}->event(@_[1..$#_]); |
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} |
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109
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110
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sub events { |
111
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0
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return $_[0]->{recce}->events(); |
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} |
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114
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115
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sub pause_lexeme { |
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return $_[0]->{recce}->pause_lexeme(@_[1..$#_]); |
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} |
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119
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120
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sub pause_span { |
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0
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1
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return $_[0]->{recce}->pause_span(@_[1..$#_]); |
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} |
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124
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125
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sub literal { |
126
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0
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1
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return $_[0]->{recce}->literal(@_[1..$#_]); |
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} |
128
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129
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130
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sub line_column { |
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0
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1
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return $_[0]->{recce}->line_column(@_[1..$#_]); |
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} |
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134
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135
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sub substring { |
136
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0
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1
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return $_[0]->{recce}->substring(@_[1..$#_]); |
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} |
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139
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140
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sub lexeme_read { |
141
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1
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return $_[0]->{recce}->lexeme_read(@_[1..$#_]); |
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} |
143
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144
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145
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sub current_g1_location { |
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0
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1
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return $_[0]->{recce}->current_g1_location(@_[1..$#_]); |
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} |
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149
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150
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sub g1_location_to_span { |
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0
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1
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return $_[0]->{recce}->g1_location_to_span(@_[1..$#_]); |
152
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} |
153
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154
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155
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sub terminals_expected { |
156
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0
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1
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return $_[0]->{recce}->terminals_expected(@_[1..$#_]); |
157
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} |
158
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159
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160
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sub show_progress { |
161
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0
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0
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1
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return $_[0]->{recce}->show_progress(@_[1..$#_]); |
162
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} |
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164
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165
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sub progress { |
166
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1
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return $_[0]->{recce}->progress(@_[1..$#_]); |
167
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} |
168
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169
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170
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sub grammar { |
171
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0
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1
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return $_[0]->{grammar}; |
172
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} |
173
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174
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175
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sub G { |
176
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1
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return $_[0]->grammar; |
177
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} |
178
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179
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180
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sub recce { |
181
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0
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0
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1
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return $_[0]->{recce}; |
182
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} |
183
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184
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185
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sub R { |
186
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0
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0
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1
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return $_[0]->recce; |
187
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} |
188
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189
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190
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sub rule_ids { |
191
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0
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0
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1
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return $_[0]->{grammar}->rule_ids(@_[1..$#_]); |
192
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} |
193
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194
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195
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sub rule_expand { |
196
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0
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0
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1
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return $_[0]->{grammar}->rule_expand(@_[1..$#_]); |
197
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} |
198
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199
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200
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sub symbol_name { |
201
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0
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0
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1
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return $_[0]->{grammar}->symbol_name(@_[1..$#_]); |
202
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} |
203
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204
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205
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1; |
206
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207
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__END__ |