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5fd9cda286
Accidentally committed a few more of these cleanup changes than intended. Still breaking these out & tidying them up. This reverts commit r231135. llvm-svn: 231136
81 lines
2.1 KiB
C++
81 lines
2.1 KiB
C++
//===-- DiffLog.h - Difference Log Builder and accessories ------*- 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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//
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// This header defines the interface to the LLVM difference log builder.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TOOLS_LLVM_DIFF_DIFFLOG_H
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#define LLVM_TOOLS_LLVM_DIFF_DIFFLOG_H
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/ADT/StringRef.h"
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namespace llvm {
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class Instruction;
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class Value;
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class Consumer;
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/// Trichotomy assumption
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enum DiffChange { DC_match, DC_left, DC_right };
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/// A temporary-object class for building up log messages.
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class LogBuilder {
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Consumer &consumer;
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/// The use of a stored StringRef here is okay because
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/// LogBuilder should be used only as a temporary, and as a
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/// temporary it will be destructed before whatever temporary
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/// might be initializing this format.
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StringRef Format;
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SmallVector<Value*, 4> Arguments;
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public:
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LogBuilder(Consumer &c, StringRef Format)
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: consumer(c), Format(Format) {}
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LogBuilder &operator<<(Value *V) {
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Arguments.push_back(V);
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return *this;
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}
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~LogBuilder();
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StringRef getFormat() const;
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unsigned getNumArguments() const;
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Value *getArgument(unsigned I) const;
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};
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/// A temporary-object class for building up diff messages.
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class DiffLogBuilder {
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typedef std::pair<Instruction*,Instruction*> DiffRecord;
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SmallVector<DiffRecord, 20> Diff;
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Consumer &consumer;
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public:
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DiffLogBuilder(Consumer &c) : consumer(c) {}
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~DiffLogBuilder();
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void addMatch(Instruction *L, Instruction *R);
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// HACK: VS 2010 has a bug in the stdlib that requires this.
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void addLeft(Instruction *L);
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void addRight(Instruction *R);
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unsigned getNumLines() const;
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DiffChange getLineKind(unsigned I) const;
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Instruction *getLeft(unsigned I) const;
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Instruction *getRight(unsigned I) const;
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};
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}
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#endif
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