100 lines
2.6 KiB
C++
100 lines
2.6 KiB
C++
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file cppInstanceIdentifier.h
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* @author drose
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* @date 1999-10-21
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*/
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#ifndef CPPINSTANCEIDENTIFIER_H
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#define CPPINSTANCEIDENTIFIER_H
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#include "dtoolbase.h"
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#include <vector>
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#include <string>
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class CPPIdentifier;
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class CPPParameterList;
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class CPPType;
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class CPPExpression;
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class CPPScope;
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class CPPPreprocessor;
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enum CPPInstanceIdentifierType {
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IIT_pointer,
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IIT_reference,
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IIT_rvalue_reference,
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IIT_scoped_pointer,
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IIT_array,
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IIT_const,
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IIT_volatile,
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IIT_paren,
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IIT_func,
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IIT_initializer,
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};
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/**
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* This class is used in parser.y to build up a variable instance definition.
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* An instance is something like 'int *&a'; the InstanceIdentifier stores
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* everything to the right of the typename. Later this can be passed to
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* make_instance() to construct a CPPInstance.
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*/
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class CPPInstanceIdentifier {
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public:
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CPPInstanceIdentifier(CPPIdentifier *ident);
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CPPType *unroll_type(CPPType *start_type);
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void add_modifier(CPPInstanceIdentifierType type);
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void add_func_modifier(CPPParameterList *params, int flags,
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CPPType *trailing_return_type = nullptr);
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void add_scoped_pointer_modifier(CPPIdentifier *scoping);
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void add_array_modifier(CPPExpression *expr);
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void add_initializer_modifier(CPPParameterList *params);
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void add_trailing_return_type(CPPType *type);
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CPPParameterList *get_initializer() const;
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CPPScope *get_scope(CPPScope *current_scope, CPPScope *global_scope,
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CPPPreprocessor *error_sink = nullptr) const;
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CPPIdentifier *_ident;
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class Modifier {
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public:
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Modifier(CPPInstanceIdentifierType type);
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static Modifier func_type(CPPParameterList *params, int flags,
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CPPType *trailing_return_type);
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static Modifier array_type(CPPExpression *expr);
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static Modifier scoped_pointer_type(CPPIdentifier *scoping);
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static Modifier initializer_type(CPPParameterList *params);
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CPPInstanceIdentifierType _type;
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CPPParameterList *_func_params;
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int _func_flags;
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CPPIdentifier *_scoping;
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CPPExpression *_expr;
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CPPType *_trailing_return_type;
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};
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typedef std::vector<Modifier> Modifiers;
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Modifiers _modifiers;
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// If not -1, indicates a bitfield
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int _bit_width;
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// Indicates a parameter pack
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bool _packed;
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private:
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CPPType *
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r_unroll_type(CPPType *start_type, Modifiers::const_iterator mi);
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};
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#endif
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