mirror of
https://github.com/google/sandboxed-api.git
synced 2024-03-22 13:11:30 +08:00
87 lines
3.1 KiB
C++
87 lines
3.1 KiB
C++
// Copyright 2020 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "sandboxed_api/tools/clang_generator/diagnostics.h"
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#include <cstdint>
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#include <utility>
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#include "absl/status/status.h"
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#include "absl/strings/cord.h"
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#include "absl/strings/string_view.h"
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#include "absl/types/optional.h"
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#include "clang/Basic/Diagnostic.h"
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namespace sapi {
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constexpr absl::string_view kSapiStatusPayload =
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"https://github.com/google/sandboxed-api";
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absl::Status MakeStatusWithDiagnostic(clang::SourceLocation loc,
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absl::StatusCode code,
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absl::string_view message) {
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absl::Status status(code, message);
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absl::Cord payload;
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uint64_t raw_loc = loc.getRawEncoding();
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payload.Append(
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absl::string_view(reinterpret_cast<char*>(&raw_loc), sizeof(raw_loc)));
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status.SetPayload(kSapiStatusPayload, std::move(payload));
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return status;
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}
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absl::Status MakeStatusWithDiagnostic(clang::SourceLocation loc,
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absl::string_view message) {
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return MakeStatusWithDiagnostic(loc, absl::StatusCode::kUnknown, message);
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}
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absl::optional<clang::SourceLocation> GetDiagnosticLocationFromStatus(
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const absl::Status& status) {
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if (auto payload =
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status.GetPayload(kSapiStatusPayload).value_or(absl::Cord());
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payload.size() == sizeof(uint64_t)) {
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return clang::SourceLocation::getFromRawEncoding(
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*reinterpret_cast<const uint64_t*>(payload.Flatten().data()));
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}
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return absl::nullopt;
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}
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namespace {
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clang::DiagnosticBuilder GetDiagnosticBuilder(
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clang::DiagnosticsEngine& de, clang::SourceLocation loc,
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clang::DiagnosticsEngine::Level level, absl::string_view message) {
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clang::DiagnosticBuilder builder =
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de.Report(loc, de.getCustomDiagID(level, "header generation: %0"));
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builder.AddString(llvm::StringRef(message.data(), message.size()));
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return builder;
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}
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} // namespace
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clang::DiagnosticBuilder ReportFatalError(clang::DiagnosticsEngine& de,
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clang::SourceLocation loc,
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absl::string_view message) {
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return GetDiagnosticBuilder(de, loc, clang::DiagnosticsEngine::Fatal,
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message);
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}
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clang::DiagnosticBuilder ReportWarning(clang::DiagnosticsEngine& de,
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clang::SourceLocation loc,
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absl::string_view message) {
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return GetDiagnosticBuilder(de, loc, clang::DiagnosticsEngine::Warning,
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message);
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}
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} // namespace sapi
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