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
17#include "llvm/Instructions.h"
18#include "llvm/ADT/SmallVector.h"
19#include "llvm/ADT/StringRef.h"
20
21using namespace llvm;
22
23LogBuilder::~LogBuilder() {
24  consumer.logf(*this);
25}
26
27StringRef LogBuilder::getFormat() const { return Format; }
28
29unsigned LogBuilder::getNumArguments() const { return Arguments.size(); }
30Value *LogBuilder::getArgument(unsigned I) const { return Arguments[I]; }
31
32DiffLogBuilder::~DiffLogBuilder() { consumer.logd(*this); }
33
34void DiffLogBuilder::addMatch(Instruction *L, Instruction *R) {
35  Diff.push_back(DiffRecord(L, R));
36}
37void DiffLogBuilder::addLeft(Instruction *L) {
38  // HACK: VS 2010 has a bug in the stdlib that requires this.
39  Diff.push_back(DiffRecord(L, DiffRecord::second_type(0)));
40}
41void DiffLogBuilder::addRight(Instruction *R) {
42  // HACK: VS 2010 has a bug in the stdlib that requires this.
43  Diff.push_back(DiffRecord(DiffRecord::first_type(0), R));
44}
45
46unsigned DiffLogBuilder::getNumLines() const { return Diff.size(); }
47
48DiffChange DiffLogBuilder::getLineKind(unsigned I) const {
49  return (Diff[I].first ? (Diff[I].second ? DC_match : DC_left)
50                        : DC_right);
51}
52Instruction *DiffLogBuilder::getLeft(unsigned I) const { return Diff[I].first; }
53Instruction *DiffLogBuilder::getRight(unsigned I) const { return Diff[I].second; }
54