59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
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//===- unittests/AST/ASTExprTest.cpp --- AST Expr tests -------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains tests for AST Expr related methods.
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//
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//===----------------------------------------------------------------------===//
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#include "ASTPrint.h"
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#include "clang/AST/ASTContext.h"
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#include "clang/AST/Expr.h"
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#include "clang/AST/IgnoreExpr.h"
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#include "clang/ASTMatchers/ASTMatchFinder.h"
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#include "clang/Tooling/Tooling.h"
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#include "gtest/gtest.h"
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using namespace clang;
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TEST(ASTExpr, IgnoreExprCallbackForwarded) {
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constexpr char Code[] = "";
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auto AST = tooling::buildASTFromCodeWithArgs(Code, /*Args=*/{"-std=c++20"});
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ASTContext &Ctx = AST->getASTContext();
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auto createIntLiteral = [&](uint32_t Value) -> IntegerLiteral * {
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const int numBits = 32;
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return IntegerLiteral::Create(Ctx, llvm::APInt(numBits, Value),
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Ctx.UnsignedIntTy, {});
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};
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struct IgnoreParens {
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Expr *operator()(Expr *E) & { return nullptr; }
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Expr *operator()(Expr *E) && {
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if (auto *PE = dyn_cast<ParenExpr>(E)) {
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return PE->getSubExpr();
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}
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return E;
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}
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};
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{
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auto *IntExpr = createIntLiteral(10);
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ParenExpr *PE =
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new (Ctx) ParenExpr(SourceLocation{}, SourceLocation{}, IntExpr);
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EXPECT_EQ(IntExpr, IgnoreExprNodes(PE, IgnoreParens{}));
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}
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{
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IgnoreParens CB{};
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auto *IntExpr = createIntLiteral(10);
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ParenExpr *PE =
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new (Ctx) ParenExpr(SourceLocation{}, SourceLocation{}, IntExpr);
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EXPECT_EQ(nullptr, IgnoreExprNodes(PE, CB));
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}
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}
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