tools/llvm-diff/DiffLog.cpp

   1 //===-- DiffLog.h - Difference Log Builder and accessories ------*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This header defines the interface to the LLVM difference log builder.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "DiffLog.h"
  15 #include "DiffConsumer.h"
  16 #include "llvm/ADT/StringRef.h"
  17
  18 using namespace llvm;
  19
  20 LogBuilder::~LogBuilder() {
  21   if (consumer)
  22     consumer->logf(*this);
  23 }
  24
  25 StringRef LogBuilder::getFormat() const { return Format; }
  26
  27 unsigned LogBuilder::getNumArguments() const { return Arguments.size(); }
  28 Value *LogBuilder::getArgument(unsigned I) const { return Arguments[I]; }
  29
  30 DiffLogBuilder::~DiffLogBuilder() { consumer.logd(*this); }
  31
  32 void DiffLogBuilder::addMatch(Instruction *L, Instruction *R) {
  33   Diff.push_back(DiffRecord(L, R));
  34 }
  35 void DiffLogBuilder::addLeft(Instruction *L) {
  36   // HACK: VS 2010 has a bug in the stdlib that requires this.
  37   Diff.push_back(DiffRecord(L, DiffRecord::second_type(nullptr)));
  38 }
  39 void DiffLogBuilder::addRight(Instruction *R) {
  40   // HACK: VS 2010 has a bug in the stdlib that requires this.
  41   Diff.push_back(DiffRecord(DiffRecord::first_type(nullptr), R));
  42 }
  43
  44 unsigned DiffLogBuilder::getNumLines() const { return Diff.size(); }
  45
  46 DiffChange DiffLogBuilder::getLineKind(unsigned I) const {
  47   return (Diff[I].first ? (Diff[I].second ? DC_match : DC_left)
  48                         : DC_right);
  49 }
  50 Instruction *DiffLogBuilder::getLeft(unsigned I) const { return Diff[I].first; }
  51 Instruction *DiffLogBuilder::getRight(unsigned I) const { return Diff[I].second; }