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//===-- ConfigTesting.h - Helpers for configuration tests -------*- 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 LLVM_CLANG_TOOLS_EXTRA_CLANGD_UNITTESTS_CONFIGTESTING_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANGD_UNITTESTS_CONFIGTESTING_H
#include "Protocol.h"
#include "llvm/Support/ScopedPrinter.h"
#include "llvm/Support/SourceMgr.h"
#include "gmock/gmock.h"
#include <functional>
namespace clang {
namespace clangd {
namespace config {
// Provides a DiagnosticsCallback that records diganostics.
// Unlike just pushing them into a vector, underlying storage need not survive.
struct CapturedDiags {
std::function<void(const llvm::SMDiagnostic &)> callback() {
return [this](const llvm::SMDiagnostic &D) {
if (Files.empty() || Files.back() != D.getFilename())
Files.push_back(D.getFilename().str());
if (D.getKind() > llvm::SourceMgr::DK_Warning)
return;
Diagnostics.emplace_back();
Diag &Out = Diagnostics.back();
Out.Message = D.getMessage().str();
Out.Kind = D.getKind();
Out.Pos.line = D.getLineNo() - 1;
Out.Pos.character = D.getColumnNo(); // Zero-based - bug in SourceMgr?
if (!D.getRanges().empty()) {
const auto &R = D.getRanges().front();
Out.Rng.emplace();
Out.Rng->start.line = Out.Rng->end.line = Out.Pos.line;
Out.Rng->start.character = R.first;
Out.Rng->end.character = R.second;
}
};
}
struct Diag {
std::string Message;
llvm::SourceMgr::DiagKind Kind;
Position Pos;
llvm::Optional<Range> Rng;
friend void PrintTo(const Diag &D, std::ostream *OS) {
*OS << (D.Kind == llvm::SourceMgr::DK_Error ? "error: " : "warning: ")
<< D.Message << "@" << llvm::to_string(D.Pos);
}
};
std::vector<Diag> Diagnostics; // Warning or higher.
std::vector<std::string> Files; // Filename from diagnostics including notes.
void clear() {
Diagnostics.clear();
Files.clear();
}
};
MATCHER_P(DiagMessage, M, "") { return arg.Message == M; }
MATCHER_P(DiagKind, K, "") { return arg.Kind == K; }
MATCHER_P(DiagPos, P, "") { return arg.Pos == P; }
MATCHER_P(DiagRange, R, "") { return arg.Rng == R; }
inline Position toPosition(llvm::SMLoc L, const llvm::SourceMgr &SM) {
auto LineCol = SM.getLineAndColumn(L);
Position P;
P.line = LineCol.first - 1;
P.character = LineCol.second - 1;
return P;
}
inline Range toRange(llvm::SMRange R, const llvm::SourceMgr &SM) {
return Range{toPosition(R.Start, SM), toPosition(R.End, SM)};
}
} // namespace config
} // namespace clangd
} // namespace clang
#endif
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