136 lines
4.3 KiB
C++
136 lines
4.3 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 cppInstance.h
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* @author drose
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* @date 1999-10-19
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*/
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#ifndef CPPINSTANCE_H
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#define CPPINSTANCE_H
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#include "dtoolbase.h"
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#include "cppDeclaration.h"
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#include "cppType.h"
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#include "cppTemplateParameterList.h"
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class CPPInstanceIdentifier;
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class CPPIdentifier;
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class CPPParameterList;
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class CPPScope;
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class CPPExpression;
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/**
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*
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*/
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class CPPInstance : public CPPDeclaration {
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public:
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// Some of these flags clearly only make sense in certain contexts, e.g.
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// for a function or method.
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enum StorageClass {
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SC_static = 0x0001,
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SC_extern = 0x0002,
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SC_c_binding = 0x0004,
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SC_virtual = 0x0008,
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SC_inline = 0x0010,
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SC_explicit = 0x0020,
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SC_register = 0x0040,
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SC_pure_virtual = 0x0080,
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SC_volatile = 0x0100,
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SC_mutable = 0x0200,
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SC_constexpr = 0x0400,
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// This bit is only set by CPPStructType::check_virtual().
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SC_inherited_virtual = 0x0800,
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// This is a special "storage class" for methods tagged with the BLOCKING
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// macro (i.e. the special __blocking keyword). These are methods that
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// might block and therefore need to release Python threads for their
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// duration.
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SC_blocking = 0x1000,
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// And this is for methods tagged with __extension, which declares
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// extension methods defined separately from the source code.
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SC_extension = 0x2000,
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// These are for =default and =delete functions.
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SC_defaulted = 0x4000,
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SC_deleted = 0x8000,
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SC_thread_local = 0x10000,
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// This isn't really a storage class. It's only used temporarily by the
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// parser, to make parsing specifier sequences a bit easier.
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SC_const = 0x20000,
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// Used to indicate that this is a parameter pack.
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SC_parameter_pack = 0x40000,
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};
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CPPInstance(CPPType *type, const std::string &name, int storage_class = 0);
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CPPInstance(CPPType *type, CPPIdentifier *ident, int storage_class = 0);
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CPPInstance(CPPType *type, CPPInstanceIdentifier *ii,
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int storage_class, const CPPFile &file);
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CPPInstance(const CPPInstance ©);
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~CPPInstance();
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static CPPInstance *
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make_typecast_function(CPPInstance *inst, CPPIdentifier *ident,
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CPPParameterList *parameters, int function_flags);
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bool operator == (const CPPInstance &other) const;
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bool operator != (const CPPInstance &other) const;
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bool operator < (const CPPInstance &other) const;
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void set_initializer(CPPExpression *initializer);
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void set_alignment(int align);
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void set_alignment(CPPExpression *const_expr);
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bool is_scoped() 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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std::string get_simple_name() const;
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std::string get_local_name(CPPScope *scope = nullptr) const;
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std::string get_fully_scoped_name() const;
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void check_for_constructor(CPPScope *current_scope, CPPScope *global_scope);
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virtual CPPDeclaration *
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instantiate(const CPPTemplateParameterList *actual_params,
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CPPScope *current_scope, CPPScope *global_scope,
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CPPPreprocessor *error_sink = nullptr) const;
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virtual bool is_fully_specified() const;
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virtual CPPDeclaration *substitute_decl(SubstDecl &subst,
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CPPScope *current_scope,
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CPPScope *global_scope);
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virtual void output(std::ostream &out, int indent_level, CPPScope *scope,
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bool complete) const;
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void output(std::ostream &out, int indent_level, CPPScope *scope,
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bool complete, int num_default_parameters) const;
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virtual SubType get_subtype() const;
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virtual CPPInstance *as_instance();
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CPPType *_type;
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CPPIdentifier *_ident;
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CPPExpression *_initializer;
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int _storage_class;
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CPPExpression *_alignment;
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int _bit_width;
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private:
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typedef std::map<const CPPTemplateParameterList *, CPPInstance *, CPPTPLCompare> Instantiations;
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Instantiations _instantiations;
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};
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#endif
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