6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
62 lines
2.0 KiB
C++
62 lines
2.0 KiB
C++
//===--- DiagnosticError.h - Diagnostic payload for llvm::Error -*- 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_BASIC_DIAGNOSTICERROR_H
|
|
#define LLVM_CLANG_BASIC_DIAGNOSTICERROR_H
|
|
|
|
#include "clang/Basic/PartialDiagnostic.h"
|
|
#include "llvm/Support/Error.h"
|
|
#include <optional>
|
|
|
|
namespace clang {
|
|
|
|
/// Carries a Clang diagnostic in an llvm::Error.
|
|
///
|
|
/// Users should emit the stored diagnostic using the DiagnosticsEngine.
|
|
class DiagnosticError : public llvm::ErrorInfo<DiagnosticError> {
|
|
public:
|
|
DiagnosticError(PartialDiagnosticAt Diag) : Diag(std::move(Diag)) {}
|
|
|
|
void log(raw_ostream &OS) const override { OS << "clang diagnostic"; }
|
|
|
|
PartialDiagnosticAt &getDiagnostic() { return Diag; }
|
|
const PartialDiagnosticAt &getDiagnostic() const { return Diag; }
|
|
|
|
/// Creates a new \c DiagnosticError that contains the given diagnostic at
|
|
/// the given location.
|
|
static llvm::Error create(SourceLocation Loc, PartialDiagnostic Diag) {
|
|
return llvm::make_error<DiagnosticError>(
|
|
PartialDiagnosticAt(Loc, std::move(Diag)));
|
|
}
|
|
|
|
/// Extracts and returns the diagnostic payload from the given \c Error if
|
|
/// the error is a \c DiagnosticError. Returns std::nullopt if the given error
|
|
/// is not a \c DiagnosticError.
|
|
static std::optional<PartialDiagnosticAt> take(llvm::Error &Err) {
|
|
std::optional<PartialDiagnosticAt> Result;
|
|
Err = llvm::handleErrors(std::move(Err), [&](DiagnosticError &E) {
|
|
Result = std::move(E.getDiagnostic());
|
|
});
|
|
return Result;
|
|
}
|
|
|
|
static char ID;
|
|
|
|
private:
|
|
// Users are not expected to use error_code.
|
|
std::error_code convertToErrorCode() const override {
|
|
return llvm::inconvertibleErrorCode();
|
|
}
|
|
|
|
PartialDiagnosticAt Diag;
|
|
};
|
|
|
|
} // end namespace clang
|
|
|
|
#endif // LLVM_CLANG_BASIC_DIAGNOSTICERROR_H
|