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96 lines
2.6 KiB
Perl
96 lines
2.6 KiB
Perl
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###############################################################################
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#
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# Class: NaturalDocs::Languages::Advanced::Scope
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#
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###############################################################################
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#
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# A class used to store a scope level.
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#
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###############################################################################
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# This file is part of Natural Docs, which is Copyright (C) 2003-2005 Greg Valure
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# Natural Docs is licensed under the GPL
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use strict;
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use integer;
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package NaturalDocs::Languages::Advanced::Scope;
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#
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# Constants: Implementation
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#
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# The object is implemented as a blessed arrayref. The constants below are used as indexes.
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#
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# CLOSING_SYMBOL - The closing symbol character of the scope.
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# PACKAGE - The package <SymbolString> of the scope.
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# USING - An arrayref of <SymbolStrings> for using statements, or undef if none.
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#
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use NaturalDocs::DefineMembers 'CLOSING_SYMBOL', 'PACKAGE', 'USING';
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# Dependency: New() depends on the order of these constants as well as that there is no inherited members.
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#
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# Function: New
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#
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# Creates and returns a new object.
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#
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# Parameters:
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#
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# closingSymbol - The closing symbol character of the scope.
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# package - The package <SymbolString> of the scope.
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# using - An arrayref of using <SymbolStrings>, or undef if none. The contents of the array will be duplicated.
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#
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# If package is set to undef, it is assumed that it inherits the value of the previous scope on the stack.
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#
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sub New #(closingSymbol, package, using)
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{
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# Dependency: This depends on the order of the parameters matching the constants, and that there are no inherited
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# members.
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my $package = shift;
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my $object = [ @_ ];
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bless $object, $package;
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if (defined $object->[USING])
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{ $object->[USING] = [ @{$object->[USING]} ]; };
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return $object;
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};
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# Function: ClosingSymbol
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# Returns the closing symbol character of the scope.
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sub ClosingSymbol
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{ return $_[0]->[CLOSING_SYMBOL]; };
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# Function: Package
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# Returns the package <SymbolString> of the scope, or undef if none.
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sub Package
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{ return $_[0]->[PACKAGE]; };
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# Function: SetPackage
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# Sets the package <SymbolString> of the scope.
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sub SetPackage #(package)
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{ $_[0]->[PACKAGE] = $_[1]; };
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# Function: Using
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# Returns an arrayref of <SymbolStrings> for using statements, or undef if none
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sub Using
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{ return $_[0]->[USING]; };
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# Function: AddUsing
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# Adds a <SymbolString> to the <Using()> array.
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sub AddUsing #(using)
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{
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my ($self, $using) = @_;
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if (!defined $self->[USING])
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{ $self->[USING] = [ ]; };
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push @{$self->[USING]}, $using;
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};
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1;
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