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