llvm-6502/tools/llvm-cov/CoverageSummary.cpp
Justin Bogner d24e90a5de llvm-cov: Sink some reporting logic into CoverageMapping
This teaches CoverageMapping::getCoveredFunctions to filter to a
particular file and uses that to replace most of the logic found in
llvm-cov report.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221962 91177308-0d34-0410-b5e6-96231b3b80d8
2014-11-14 01:50:32 +00:00

65 lines
2.3 KiB
C++

//===- CoverageSummary.cpp - Code coverage summary ------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This class implements data management and rendering for the code coverage
// summaries of all files and functions.
//
//===----------------------------------------------------------------------===//
#include "CoverageSummary.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Format.h"
using namespace llvm;
unsigned CoverageSummary::getFileID(StringRef Filename) {
for (unsigned I = 0, E = Filenames.size(); I < E; ++I) {
if (sys::fs::equivalent(Filenames[I], Filename))
return I;
}
Filenames.push_back(Filename);
return Filenames.size() - 1;
}
void
CoverageSummary::createSummaries(const coverage::CoverageMapping &Coverage) {
for (StringRef Filename : Coverage.getUniqueSourceFiles()) {
size_t PrevSize = FunctionSummaries.size();
for (const auto &F : Coverage.getCoveredFunctions(Filename))
FunctionSummaries.push_back(FunctionCoverageSummary::get(F));
size_t Count = FunctionSummaries.size() - PrevSize;
if (Count == 0)
continue;
FileSummaries.push_back(FileCoverageSummary::get(
Filename, makeArrayRef(FunctionSummaries.data() + PrevSize, Count)));
}
}
FileCoverageSummary CoverageSummary::getCombinedFileSummaries() {
size_t NumRegions = 0, CoveredRegions = 0;
size_t NumLines = 0, NonCodeLines = 0, CoveredLines = 0;
size_t NumFunctionsExecuted = 0, NumFunctions = 0;
for (const auto &File : FileSummaries) {
NumRegions += File.RegionCoverage.NumRegions;
CoveredRegions += File.RegionCoverage.Covered;
NumLines += File.LineCoverage.NumLines;
NonCodeLines += File.LineCoverage.NonCodeLines;
CoveredLines += File.LineCoverage.Covered;
NumFunctionsExecuted += File.FunctionCoverage.Executed;
NumFunctions += File.FunctionCoverage.NumFunctions;
}
return FileCoverageSummary(
"TOTAL", RegionCoverageInfo(CoveredRegions, NumRegions),
LineCoverageInfo(CoveredLines, NonCodeLines, NumLines),
FunctionCoverageInfo(NumFunctionsExecuted, NumFunctions),
None);
}