DeclFriend.cpp source code [clang_source_code/lib/AST/DeclFriend.cpp]

1	//===- DeclFriend.cpp - C++ Friend Declaration AST Node Implementation ----===//
2	//
3	// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4	// See https://llvm.org/LICENSE.txt for license information.
5	// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6	//
7	//===----------------------------------------------------------------------===//
8	//
9	// This file implements the AST classes related to C++ friend
10	// declarations.
11	//
12	//===----------------------------------------------------------------------===//
13
14	#include "clang/AST/DeclFriend.h"
15	#include "clang/AST/Decl.h"
16	#include "clang/AST/DeclBase.h"
17	#include "clang/AST/DeclCXX.h"
18	#include "clang/AST/ASTContext.h"
19	#include "clang/AST/DeclTemplate.h"
20	#include "clang/Basic/LLVM.h"
21	#include "llvm/Support/Casting.h"
22	#include <cassert>
23	#include <cstddef>
24
25	using namespace clang;
26
27	void FriendDecl::anchor() {}
28
29	FriendDecl *FriendDecl::getNextFriendSlowCase() {
30	return cast_or_null<FriendDecl>(
31	NextFriend.get(getASTContext().getExternalSource()));
32	}
33
34	FriendDecl FriendDecl::Create(ASTContext &C, DeclContext DC,
35	SourceLocation L,
36	FriendUnion Friend,
37	SourceLocation FriendL,
38	ArrayRef<TemplateParameterList *> FriendTypeTPLists) {
39	#ifndef NDEBUG
40	if (Friend.is<NamedDecl *>()) {
41	const auto D = Friend.get<NamedDecl>();
42	(D) \|\| isa(D) \|\| isa(D) \|\| isa(D)", "/home/seafit/code_projects/clang_source/clang/lib/AST/DeclFriend.cpp", 45, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(isa<FunctionDecl>(D) \|\|
43	(D) \|\| isa(D) \|\| isa(D) \|\| isa(D)", "/home/seafit/code_projects/clang_source/clang/lib/AST/DeclFriend.cpp", 45, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> isa<CXXRecordDecl>(D) \|\|
44	(D) \|\| isa(D) \|\| isa(D) \|\| isa(D)", "/home/seafit/code_projects/clang_source/clang/lib/AST/DeclFriend.cpp", 45, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> isa<FunctionTemplateDecl>(D) \|\|
45	(D) \|\| isa(D) \|\| isa(D) \|\| isa(D)", "/home/seafit/code_projects/clang_source/clang/lib/AST/DeclFriend.cpp", 45, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> isa<ClassTemplateDecl>(D));
46
47	// As a temporary hack, we permit template instantiation to point
48	// to the original declaration when instantiating members.
49	getFriendObjectKind() \|\| (cast(DC)->getTemplateSpecializationKind())", "/home/seafit/code_projects/clang_source/clang/lib/AST/DeclFriend.cpp", 50, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(D->getFriendObjectKind() \|\|
50	getFriendObjectKind() \|\| (cast(DC)->getTemplateSpecializationKind())", "/home/seafit/code_projects/clang_source/clang/lib/AST/DeclFriend.cpp", 50, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true"> (cast<CXXRecordDecl>(DC)->getTemplateSpecializationKind()));
51	// These template parameters are for friend types only.
52	assert(FriendTypeTPLists.empty());
53	}
54	#endif
55
56	std::size_t Extra =
57	FriendDecl::additionalSizeToAlloc<TemplateParameterList *>(
58	FriendTypeTPLists.size());
59	auto *FD = new (C, DC, Extra) FriendDecl(DC, L, Friend, FriendL,
60	FriendTypeTPLists);
61	cast<CXXRecordDecl>(DC)->pushFriendDecl(FD);
62	return FD;
63	}
64
65	FriendDecl *FriendDecl::CreateDeserialized(ASTContext &C, unsigned ID,
66	unsigned FriendTypeNumTPLists) {
67	std::size_t Extra =
68	additionalSizeToAlloc<TemplateParameterList *>(FriendTypeNumTPLists);
69	return new (C, ID, Extra) FriendDecl(EmptyShell(), FriendTypeNumTPLists);
70	}
71
72	FriendDecl *CXXRecordDecl::getFirstFriend() const {
73	ExternalASTSource *Source = getParentASTContext().getExternalSource();
74	Decl *First = data().FirstFriend.get(Source);
75	return First ? cast<FriendDecl>(First) : nullptr;
76	}
77

clang::FriendDecl::anchor

clang::FriendDecl::getNextFriendSlowCase

clang::FriendDecl::Create

clang::FriendDecl::CreateDeserialized

clang::CXXRecordDecl::getFirstFriend

Clang Project