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; }
52