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98 lines
3.0 KiB
C++
98 lines
3.0 KiB
C++
//===- AccumulatingDiagnosticConsumer.h - Collect Text Diagnostics 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) 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 defines the AccumulatingDiagnosticConsumer class, which collects
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// all emitted diagnostics into an externally-owned collection.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_ACCUMULATINGDIAGNOSTICCONSUMER_H
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#define SWIFT_ACCUMULATINGDIAGNOSTICCONSUMER_H
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#include "swift/AST/DiagnosticConsumer.h"
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#include "swift/Basic/DiagnosticOptions.h"
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#include "swift/Basic/LLVM.h"
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#include <string>
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#include <sstream>
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namespace swift {
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/// Diagnostic consumer that simply collects all emitted diagnostics into the provided
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/// collection.
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class AccumulatingFileDiagnosticConsumer : public DiagnosticConsumer {
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std::vector<std::string> &Diagnostics;
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public:
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AccumulatingFileDiagnosticConsumer(std::vector<std::string> &DiagBuffer)
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: Diagnostics(DiagBuffer) {}
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private:
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void handleDiagnostic(SourceManager &SM,
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const DiagnosticInfo &Info) override {
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addDiagnostic(SM, Info);
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for (auto ChildInfo : Info.ChildDiagnosticInfo) {
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addDiagnostic(SM, *ChildInfo);
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}
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}
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// TODO: Support Swift-style diagnostic formatting
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void addDiagnostic(SourceManager &SM, const DiagnosticInfo &Info) {
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// Determine what kind of diagnostic we're emitting.
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llvm::SourceMgr::DiagKind SMKind;
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switch (Info.Kind) {
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case DiagnosticKind::Error:
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SMKind = llvm::SourceMgr::DK_Error;
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break;
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case DiagnosticKind::Warning:
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SMKind = llvm::SourceMgr::DK_Warning;
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break;
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case DiagnosticKind::Note:
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SMKind = llvm::SourceMgr::DK_Note;
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break;
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case DiagnosticKind::Remark:
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SMKind = llvm::SourceMgr::DK_Remark;
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break;
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}
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// Translate ranges.
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SmallVector<llvm::SMRange, 2> Ranges;
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for (auto R : Info.Ranges)
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Ranges.push_back(getRawRange(SM, R));
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// Translate fix-its.
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SmallVector<llvm::SMFixIt, 2> FixIts;
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for (DiagnosticInfo::FixIt F : Info.FixIts)
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FixIts.push_back(getRawFixIt(SM, F));
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// Actually substitute the diagnostic arguments into the diagnostic text.
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llvm::SmallString<256> Text;
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{
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llvm::raw_svector_ostream Out(Text);
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DiagnosticEngine::formatDiagnosticText(Out, Info.FormatString,
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Info.FormatArgs);
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}
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const llvm::SourceMgr &rawSM = SM.getLLVMSourceMgr();
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auto Msg = SM.GetMessage(Info.Loc, SMKind, Text, Ranges, FixIts);
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std::string result;
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llvm::raw_string_ostream os(result);
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rawSM.PrintMessage(os, Msg, false);
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os.flush();
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Diagnostics.push_back(result);
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}
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};
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}
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#endif
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