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254b4d2617
Type visitor code had already been refactored previously to decouple the visitor and the visitor callback interface. This was necessary for having the flexibility to visit in different ways (for example, dumping to yaml, reading from yaml, dumping to ScopedPrinter, etc). This patch merely implements the same visitation pattern for symbol records that has already been implemented for type records. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@283609 91177308-0d34-0410-b5e6-96231b3b80d8
70 lines
2.3 KiB
C++
70 lines
2.3 KiB
C++
//===- SymbolVisitorCallbackPipeline.h ------------------------ *- C++ --*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_DEBUGINFO_CODEVIEW_SYMBOLVISITORCALLBACKPIPELINE_H
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#define LLVM_DEBUGINFO_CODEVIEW_SYMBOLVISITORCALLBACKPIPELINE_H
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#include "llvm/DebugInfo/CodeView/CodeView.h"
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#include "llvm/DebugInfo/CodeView/SymbolRecord.h"
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#include "llvm/DebugInfo/CodeView/SymbolVisitorCallbacks.h"
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#include <vector>
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namespace llvm {
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namespace codeview {
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class SymbolVisitorCallbackPipeline : public SymbolVisitorCallbacks {
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public:
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SymbolVisitorCallbackPipeline() {}
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virtual Error visitUnknownSymbol(CVSymbol &Record) override {
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for (auto Visitor : Pipeline) {
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if (auto EC = Visitor->visitUnknownSymbol(Record))
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return EC;
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}
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return Error::success();
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}
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virtual Error visitSymbolBegin(CVSymbol &Record) override {
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for (auto Visitor : Pipeline) {
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if (auto EC = Visitor->visitSymbolBegin(Record))
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return EC;
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}
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return Error::success();
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}
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virtual Error visitSymbolEnd(CVSymbol &Record) override {
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for (auto Visitor : Pipeline) {
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if (auto EC = Visitor->visitSymbolEnd(Record))
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return EC;
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}
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return Error::success();
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}
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void addCallbackToPipeline(SymbolVisitorCallbacks &Callbacks) {
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Pipeline.push_back(&Callbacks);
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}
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#define SYMBOL_RECORD(EnumName, EnumVal, Name) \
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Error visitKnownRecord(CVSymbol &CVR, Name &Record) override { \
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for (auto Visitor : Pipeline) { \
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if (auto EC = Visitor->visitKnownRecord(CVR, Record)) \
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return EC; \
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} \
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return Error::success(); \
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}
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#define SYMBOL_RECORD_ALIAS(EnumName, EnumVal, Name, AliasName)
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#include "llvm/DebugInfo/CodeView/CVSymbolTypes.def"
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private:
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std::vector<SymbolVisitorCallbacks *> Pipeline;
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};
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}
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}
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#endif
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