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14 | pmbaty | 1 | //===- ChainedDiagnosticConsumer.h - Chain Diagnostic Clients ---*- C++ -*-===// |
2 | // |
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3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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4 | // See https://llvm.org/LICENSE.txt for license information. |
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5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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6 | // |
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7 | //===----------------------------------------------------------------------===// |
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8 | |||
9 | #ifndef LLVM_CLANG_FRONTEND_CHAINEDDIAGNOSTICCONSUMER_H |
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10 | #define LLVM_CLANG_FRONTEND_CHAINEDDIAGNOSTICCONSUMER_H |
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11 | |||
12 | #include "clang/Basic/Diagnostic.h" |
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13 | #include <memory> |
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14 | |||
15 | namespace clang { |
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16 | class LangOptions; |
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17 | |||
18 | /// ChainedDiagnosticConsumer - Chain two diagnostic clients so that diagnostics |
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19 | /// go to the first client and then the second. The first diagnostic client |
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20 | /// should be the "primary" client, and will be used for computing whether the |
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21 | /// diagnostics should be included in counts. |
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22 | class ChainedDiagnosticConsumer : public DiagnosticConsumer { |
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23 | virtual void anchor(); |
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24 | std::unique_ptr<DiagnosticConsumer> OwningPrimary; |
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25 | DiagnosticConsumer *Primary; |
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26 | std::unique_ptr<DiagnosticConsumer> Secondary; |
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27 | |||
28 | public: |
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29 | ChainedDiagnosticConsumer(std::unique_ptr<DiagnosticConsumer> Primary, |
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30 | std::unique_ptr<DiagnosticConsumer> Secondary) |
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31 | : OwningPrimary(std::move(Primary)), Primary(OwningPrimary.get()), |
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32 | Secondary(std::move(Secondary)) {} |
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33 | |||
34 | /// Construct without taking ownership of \c Primary. |
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35 | ChainedDiagnosticConsumer(DiagnosticConsumer *Primary, |
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36 | std::unique_ptr<DiagnosticConsumer> Secondary) |
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37 | : Primary(Primary), Secondary(std::move(Secondary)) {} |
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38 | |||
39 | void BeginSourceFile(const LangOptions &LO, |
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40 | const Preprocessor *PP) override { |
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41 | Primary->BeginSourceFile(LO, PP); |
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42 | Secondary->BeginSourceFile(LO, PP); |
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43 | } |
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44 | |||
45 | void EndSourceFile() override { |
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46 | Secondary->EndSourceFile(); |
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47 | Primary->EndSourceFile(); |
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48 | } |
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49 | |||
50 | void finish() override { |
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51 | Secondary->finish(); |
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52 | Primary->finish(); |
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53 | } |
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54 | |||
55 | bool IncludeInDiagnosticCounts() const override { |
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56 | return Primary->IncludeInDiagnosticCounts(); |
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57 | } |
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58 | |||
59 | void HandleDiagnostic(DiagnosticsEngine::Level DiagLevel, |
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60 | const Diagnostic &Info) override { |
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61 | // Default implementation (Warnings/errors count). |
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62 | DiagnosticConsumer::HandleDiagnostic(DiagLevel, Info); |
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63 | |||
64 | Primary->HandleDiagnostic(DiagLevel, Info); |
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65 | Secondary->HandleDiagnostic(DiagLevel, Info); |
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66 | } |
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67 | }; |
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68 | |||
69 | } // end namspace clang |
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70 | |||
71 | #endif |