60 lines
1.8 KiB
C++
60 lines
1.8 KiB
C++
//===- unittests/AST/DeclBaseTest.cpp --- Declaration tests----------------===//
|
|
//
|
|
// 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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// Unit tests for Decl class in the AST.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "clang/AST/DeclBase.h"
|
|
#include "clang/AST/ASTContext.h"
|
|
#include "clang/AST/DeclCXX.h"
|
|
#include "clang/AST/Type.h"
|
|
#include "clang/ASTMatchers/ASTMatchFinder.h"
|
|
#include "clang/ASTMatchers/ASTMatchers.h"
|
|
#include "clang/Basic/LLVM.h"
|
|
#include "clang/Tooling/Tooling.h"
|
|
#include "gtest/gtest.h"
|
|
|
|
using ::clang::BindingDecl;
|
|
using ::clang::ast_matchers::bindingDecl;
|
|
using ::clang::ast_matchers::hasName;
|
|
using ::clang::ast_matchers::match;
|
|
using ::clang::ast_matchers::selectFirst;
|
|
|
|
TEST(DeclGetFunctionType, BindingDecl) {
|
|
llvm::StringRef Code = R"cpp(
|
|
template <typename A, typename B>
|
|
struct Pair {
|
|
A AnA;
|
|
B AB;
|
|
};
|
|
|
|
void target(int *i) {
|
|
Pair<void (*)(int *), bool> P;
|
|
auto [FunctionPointer, B] = P;
|
|
FunctionPointer(i);
|
|
}
|
|
)cpp";
|
|
|
|
auto AST =
|
|
clang::tooling::buildASTFromCodeWithArgs(Code, /*Args=*/{"-std=c++20"});
|
|
clang::ASTContext &Ctx = AST->getASTContext();
|
|
|
|
auto *BD = selectFirst<clang::BindingDecl>(
|
|
"FunctionPointer",
|
|
match(bindingDecl(hasName("FunctionPointer")).bind("FunctionPointer"),
|
|
Ctx));
|
|
ASSERT_NE(BD, nullptr);
|
|
|
|
EXPECT_NE(BD->getFunctionType(), nullptr);
|
|
|
|
// Emulate a call before the BindingDecl has a bound type.
|
|
const_cast<clang::BindingDecl *>(BD)->setBinding(clang::QualType(), nullptr);
|
|
EXPECT_EQ(BD->getFunctionType(), nullptr);
|
|
}
|