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//===--- TestTU.h - Scratch source files for testing -------------*- 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
//
//===----------------------------------------------------------------------===//
//
// Many tests for indexing, code completion etc are most naturally expressed
// using code examples.
// TestTU lets test define these examples in a common way without dealing with
// the mechanics of VFS and compiler interactions, and then easily grab the
// AST, particular symbols, etc.
//
//===---------------------------------------------------------------------===//
#ifndef LLVM_CLANG_TOOLS_EXTRA_UNITTESTS_CLANGD_TESTTU_H
#define LLVM_CLANG_TOOLS_EXTRA_UNITTESTS_CLANGD_TESTTU_H
#include "ParsedAST.h"
#include "Path.h"
#include "index/Index.h"
#include "llvm/ADT/StringMap.h"
#include "gtest/gtest.h"
#include <string>
#include <utility>
#include <vector>
namespace clang {
namespace clangd {
struct TestTU {
static TestTU withCode(llvm::StringRef Code) {
TestTU TU;
TU.Code = Code;
return TU;
}
static TestTU withHeaderCode(llvm::StringRef HeaderCode) {
TestTU TU;
TU.HeaderCode = HeaderCode;
return TU;
}
// The code to be compiled.
std::string Code;
std::string Filename = "TestTU.cpp";
// Define contents of a header which will be implicitly included by Code.
std::string HeaderCode;
std::string HeaderFilename = "TestTU.h";
// Name and contents of each file.
llvm::StringMap<std::string> AdditionalFiles;
// Extra arguments for the compiler invocation.
std::vector<const char *> ExtraArgs;
llvm::Optional<std::string> ClangTidyChecks;
llvm::Optional<std::string> ClangTidyWarningsAsErrors;
// Index to use when building AST.
const SymbolIndex *ExternalIndex = nullptr;
// Simulate a header guard of the header (using an #import directive).
bool ImplicitHeaderGuard = true;
ParsedAST build() const;
SymbolSlab headerSymbols() const;
std::unique_ptr<SymbolIndex> index() const;
};
// Look up an index symbol by qualified name, which must be unique.
const Symbol &findSymbol(const SymbolSlab &, llvm::StringRef QName);
// Look up an AST symbol by qualified name, which must be unique and top-level.
const NamedDecl &findDecl(ParsedAST &AST, llvm::StringRef QName);
// Look up an AST symbol that satisfies \p Filter.
const NamedDecl &findDecl(ParsedAST &AST,
std::function<bool(const NamedDecl &)> Filter);
// Look up an AST symbol by unqualified name, which must be unique.
const NamedDecl &findUnqualifiedDecl(ParsedAST &AST, llvm::StringRef Name);
} // namespace clangd
} // namespace clang
#endif // LLVM_CLANG_TOOLS_EXTRA_UNITTESTS_CLANGD_TESTTU_H
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