1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
//===- SourceCoverageView.cpp - Code coverage view for source code --------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
/// \file This class implements rendering for code coverage of source code.
///
//===----------------------------------------------------------------------===//
#include "SourceCoverageView.h"
#include "SourceCoverageViewText.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/Support/LineIterator.h"
using namespace llvm;
std::string SourceCoverageView::formatCount(uint64_t N) {
std::string Number = utostr(N);
int Len = Number.size();
if (Len <= 3)
return Number;
int IntLen = Len % 3 == 0 ? 3 : Len % 3;
std::string Result(Number.data(), IntLen);
if (IntLen != 3) {
Result.push_back('.');
Result += Number.substr(IntLen, 3 - IntLen);
}
Result.push_back(" kMGTPEZY"[(Len - 1) / 3]);
return Result;
}
void SourceCoverageView::addExpansion(
const coverage::CounterMappingRegion &Region,
std::unique_ptr<SourceCoverageView> View) {
ExpansionSubViews.emplace_back(Region, std::move(View));
}
void SourceCoverageView::addInstantiation(
StringRef FunctionName, unsigned Line,
std::unique_ptr<SourceCoverageView> View) {
InstantiationSubViews.emplace_back(FunctionName, Line, std::move(View));
}
std::unique_ptr<SourceCoverageView>
SourceCoverageView::create(StringRef SourceName, const MemoryBuffer &File,
const CoverageViewOptions &Options,
coverage::CoverageData &&CoverageInfo) {
switch (Options.ShowFormat) {
case CoverageViewOptions::OutputFormat::Text:
return llvm::make_unique<SourceCoverageViewText>(SourceName, File, Options,
std::move(CoverageInfo));
}
}
void SourceCoverageView::print(raw_ostream &OS, bool WholeFile,
bool ShowSourceName, unsigned ViewDepth) {
if (ShowSourceName)
renderSourceName(OS);
// We need the expansions and instantiations sorted so we can go through them
// while we iterate lines.
std::sort(ExpansionSubViews.begin(), ExpansionSubViews.end());
std::sort(InstantiationSubViews.begin(), InstantiationSubViews.end());
auto NextESV = ExpansionSubViews.begin();
auto EndESV = ExpansionSubViews.end();
auto NextISV = InstantiationSubViews.begin();
auto EndISV = InstantiationSubViews.end();
// Get the coverage information for the file.
auto NextSegment = CoverageInfo.begin();
auto EndSegment = CoverageInfo.end();
unsigned FirstLine = NextSegment != EndSegment ? NextSegment->Line : 0;
const coverage::CoverageSegment *WrappedSegment = nullptr;
SmallVector<const coverage::CoverageSegment *, 8> LineSegments;
for (line_iterator LI(File, /*SkipBlanks=*/false); !LI.is_at_eof(); ++LI) {
// If we aren't rendering the whole file, we need to filter out the prologue
// and epilogue.
if (!WholeFile) {
if (NextSegment == EndSegment)
break;
else if (LI.line_number() < FirstLine)
continue;
}
// Collect the coverage information relevant to this line.
if (LineSegments.size())
WrappedSegment = LineSegments.back();
LineSegments.clear();
while (NextSegment != EndSegment && NextSegment->Line == LI.line_number())
LineSegments.push_back(&*NextSegment++);
// Calculate a count to be for the line as a whole.
LineCoverageStats LineCount;
if (WrappedSegment && WrappedSegment->HasCount)
LineCount.addRegionCount(WrappedSegment->Count);
for (const auto *S : LineSegments)
if (S->HasCount && S->IsRegionEntry)
LineCount.addRegionStartCount(S->Count);
renderLinePrefix(OS, ViewDepth);
if (getOptions().ShowLineStats)
renderLineCoverageColumn(OS, LineCount);
if (getOptions().ShowLineNumbers)
renderLineNumberColumn(OS, LI.line_number());
// If there are expansion subviews, we want to highlight the first one.
unsigned ExpansionColumn = 0;
if (NextESV != EndESV && NextESV->getLine() == LI.line_number() &&
getOptions().Colors)
ExpansionColumn = NextESV->getStartCol();
// Display the source code for the current line.
renderLine(OS, {*LI, LI.line_number()}, WrappedSegment, LineSegments,
ExpansionColumn, ViewDepth);
// Show the region markers.
if (getOptions().ShowRegionMarkers &&
(!getOptions().ShowLineStatsOrRegionMarkers ||
LineCount.hasMultipleRegions()) &&
!LineSegments.empty()) {
renderRegionMarkers(OS, LineSegments, ViewDepth);
}
// Show the expansions and instantiations for this line.
bool RenderedSubView = false;
for (; NextESV != EndESV && NextESV->getLine() == LI.line_number();
++NextESV) {
renderViewDivider(OS, ViewDepth + 1);
// Re-render the current line and highlight the expansion range for
// this subview.
if (RenderedSubView) {
ExpansionColumn = NextESV->getStartCol();
renderExpansionSite(
OS, *NextESV, {*LI, LI.line_number()}, WrappedSegment, LineSegments,
ExpansionColumn, ViewDepth);
renderViewDivider(OS, ViewDepth + 1);
}
renderExpansionView(OS, *NextESV, ViewDepth + 1);
RenderedSubView = true;
}
for (; NextISV != EndISV && NextISV->Line == LI.line_number(); ++NextISV) {
renderViewDivider(OS, ViewDepth + 1);
renderInstantiationView(OS, *NextISV, ViewDepth + 1);
RenderedSubView = true;
}
if (RenderedSubView)
renderViewDivider(OS, ViewDepth + 1);
}
}
|
