ClangTestUtils.h
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//===- ClangTestUtils.h -----------------------------------------*- 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
//
//===----------------------------------------------------------------------===//
#ifndef LLDB_UNITTESTS_TESTINGSUPPORT_SYMBOL_CLANGTESTUTILS_H
#define LLDB_UNITTESTS_TESTINGSUPPORT_SYMBOL_CLANGTESTUTILS_H
#include "lldb/Host/HostInfo.h"
#include "lldb/Symbol/ClangASTContext.h"
#include "lldb/Symbol/ClangUtil.h"
namespace lldb_private {
namespace clang_utils {
inline clang::DeclarationName getDeclarationName(ClangASTContext &ast,
llvm::StringRef name) {
clang::IdentifierInfo &II = ast.getASTContext().Idents.get(name);
return ast.getASTContext().DeclarationNames.getIdentifier(&II);
}
inline std::unique_ptr<ClangASTContext> createAST() {
return std::make_unique<ClangASTContext>(HostInfo::GetTargetTriple());
}
inline CompilerType createRecord(ClangASTContext &ast, llvm::StringRef name) {
return ast.CreateRecordType(ast.getASTContext().getTranslationUnitDecl(),
lldb::AccessType::eAccessPublic, name, 0,
lldb::LanguageType::eLanguageTypeC);
}
/// Create a record with the given name and a field with the given type
/// and name.
inline CompilerType createRecordWithField(ClangASTContext &ast,
llvm::StringRef record_name,
CompilerType field_type,
llvm::StringRef field_name) {
CompilerType t = createRecord(ast, record_name);
ClangASTContext::StartTagDeclarationDefinition(t);
ast.AddFieldToRecordType(t, field_name, field_type,
lldb::AccessType::eAccessPublic, 7);
ClangASTContext::CompleteTagDeclarationDefinition(t);
return t;
}
/// Constructs a ClangASTContext that contains a single RecordDecl that contains
/// a single FieldDecl. Utility class as this setup is a common starting point
/// for unit test that exercise the ASTImporter.
struct SourceASTWithRecord {
std::unique_ptr<ClangASTContext> ast;
CompilerType record_type;
clang::RecordDecl *record_decl = nullptr;
clang::FieldDecl *field_decl = nullptr;
SourceASTWithRecord() {
ast = createAST();
record_type = createRecordWithField(
*ast, "Source", ast->GetBasicType(lldb::BasicType::eBasicTypeChar),
"a_field");
record_decl =
llvm::cast<clang::RecordDecl>(ClangUtil::GetAsTagDecl(record_type));
field_decl = *record_decl->fields().begin();
assert(field_decl);
}
};
} // namespace clang_utils
} // namespace lldb_private
#endif