1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
//===-- ClangUtil.cpp -------------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// A collection of helper methods and data structures for manipulating clang
// types and decls.
//===----------------------------------------------------------------------===//
#include "lldb/Symbol/ClangUtil.h"
#include "lldb/Symbol/ClangASTContext.h"
using namespace clang;
using namespace lldb_private;
bool ClangUtil::IsClangType(const CompilerType &ct) {
if (llvm::dyn_cast_or_null<ClangASTContext>(ct.GetTypeSystem()) == nullptr)
return false;
if (!ct.GetOpaqueQualType())
return false;
return true;
}
QualType ClangUtil::GetQualType(const CompilerType &ct) {
// Make sure we have a clang type before making a clang::QualType
if (!IsClangType(ct))
return QualType();
return QualType::getFromOpaquePtr(ct.GetOpaqueQualType());
}
QualType ClangUtil::GetCanonicalQualType(const CompilerType &ct) {
if (!IsClangType(ct))
return QualType();
return GetQualType(ct).getCanonicalType();
}
CompilerType ClangUtil::RemoveFastQualifiers(const CompilerType &ct) {
if (!IsClangType(ct))
return ct;
QualType qual_type(GetQualType(ct));
qual_type.removeLocalFastQualifiers();
return CompilerType(ct.GetTypeSystem(), qual_type.getAsOpaquePtr());
}
clang::TagDecl *ClangUtil::GetAsTagDecl(const CompilerType &type) {
clang::QualType qual_type = ClangUtil::GetCanonicalQualType(type);
if (qual_type.isNull())
return nullptr;
return qual_type->getAsTagDecl();
}
|
