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1912d0b1e7
Add support for serialized diagnostics, parseable output, and other kinds of output from diagnostics engine to the libSwiftScan replayCompilation API. rdar://129015959
71 lines
2.4 KiB
C++
71 lines
2.4 KiB
C++
//===--- DiagnosticHelper.h - Diagnostic Helper -----------------*- C++ -*-===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2020 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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//
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// This file exposes helper class to emit diagnostics from swift-frontend.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_FRONTEND_DIAGNOSTIC_HELPER_H
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#define SWIFT_FRONTEND_DIAGNOSTIC_HELPER_H
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#include "swift/Basic/LLVM.h"
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#include "llvm/Support/raw_ostream.h"
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namespace swift {
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class CompilerInstance;
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class CompilerInvocation;
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class DiagnosticHelper {
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private:
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class Implementation;
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Implementation &Impl;
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public:
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/// Create a DiagnosticHelper class to emit diagnostics from frontend actions.
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/// OS is the stream to print diagnostics. useQuasiPID determines if using
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/// real PID when priting parseable output.
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static DiagnosticHelper create(CompilerInstance &instance,
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llvm::raw_pwrite_stream &OS = llvm::errs(),
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bool useQuasiPID = false);
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/// Initialized all DiagConsumers and add to the CompilerInstance.
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void initDiagConsumers(CompilerInvocation &invocation);
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/// Begin emitting the message, specifically the parseable output message.
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void beginMessage(CompilerInvocation &invocation,
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ArrayRef<const char *> args);
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/// End emitting all diagnostics. This has to be called if beginMessage() is
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/// called.
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void endMessage(int retCode);
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/// Set if printing output should be suppressed.
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void setSuppressOutput(bool suppressOutput);
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/// Helper function to emit fatal error.
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void diagnoseFatalError(const char *reason, bool shouldCrash);
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DiagnosticHelper(const DiagnosticHelper &) = delete;
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DiagnosticHelper(DiagnosticHelper &&) = delete;
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DiagnosticHelper &operator=(const DiagnosticHelper &) = delete;
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DiagnosticHelper &operator=(DiagnosticHelper &&) = delete;
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~DiagnosticHelper();
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private:
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DiagnosticHelper(CompilerInstance &instance, llvm::raw_pwrite_stream &OS,
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bool useQuasiPID);
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};
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} // namespace swift
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#endif
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