================ @@ -0,0 +1,86 @@ +//===- unittests/AST/ASTDumperTest.cpp --- Test of AST node dump() methods ===// +// +// 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 +// +//===----------------------------------------------------------------------===// +// +// This file contains tests for TypeLoc::dump() and related methods. +// Most of these are lit tests via clang -ast-dump. However some nodes are not +// included in dumps of (TranslationUnit)Decl, but still relevant when dumped +// directly. +// +//===----------------------------------------------------------------------===// + +#include "ASTPrint.h" +#include "clang/AST/ASTContext.h" +#include "clang/AST/Decl.h" +#include "clang/Testing/TestAST.h" +#include "llvm/ADT/StringRef.h" +#include "gmock/gmock.h" +#include "gtest/gtest.h" + +using namespace clang; +using namespace ast_matchers; + +namespace { +using testing::ElementsAre; +using testing::StartsWith; + +std::vector<std::string> dumpTypeLoc(llvm::StringRef Name, ASTContext &Ctx) { + auto Lookup = Ctx.getTranslationUnitDecl()->lookup(&Ctx.Idents.get(Name)); + auto *D = Lookup.find_first<DeclaratorDecl>(); + EXPECT_NE(D, nullptr) << Name; + if (!D) + return {}; + EXPECT_NE(D->getTypeSourceInfo(), nullptr); + if (!D->getTypeSourceInfo()) + return {}; + std::string S; + { + llvm::raw_string_ostream OS(S); + D->getTypeSourceInfo()->getTypeLoc().dump(OS, Ctx); + } + // Split result into lines. + std::vector<std::string> Result; + auto Remaining = llvm::StringRef(S).trim("\n"); + while (!Remaining.empty()) { + auto [First, Rest] = Remaining.split('\n'); + Result.push_back(First.str()); + Remaining = Rest; + } + return Result; +} + +TEST(ASTDumper, TypeLocChain) { + TestAST AST(R"cc( + const int **x; + )cc"); + EXPECT_THAT( + dumpTypeLoc("x", AST.context()), + ElementsAre("" + "PointerTypeLoc <input.mm:2:11, col:16> 'const int **'", + "`-PointerTypeLoc <col:11, col:15> 'const int *'", + " `-QualifiedTypeLoc <col:11> 'const int'", + " `-BuiltinTypeLoc <col:11> 'int'")); +} + +TEST(ASTDumper, FunctionTypeLoc) { + TestAST AST(R"cc( + void x(int, double *y); + )cc"); + EXPECT_THAT( + dumpTypeLoc("x", AST.context()), + ElementsAre("" + "FunctionProtoTypeLoc <input.mm:2:5, col:26> 'void (int, " + "double *)' cdecl", + StartsWith("|-ParmVarDecl"), + "| `-BuiltinTypeLoc <col:12> 'int'", + StartsWith("|-ParmVarDecl"), + "| `-PointerTypeLoc <col:17, col:24> 'double *'", + "| `-BuiltinTypeLoc <col:17> 'double'", + "`-BuiltinTypeLoc <col:5> 'void'")); +} + +} // namespace ---------------- cor3ntin wrote:
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