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📄 CodeCoverage.cpp(38.12 KB)
📄 CoverageExporter.h(1.58 KB)
📄 CoverageExporterJson.cpp(10.48 KB)
📄 CoverageExporterJson.h(1.21 KB)
📄 CoverageExporterLcov.cpp(4.7 KB)
📄 CoverageExporterLcov.h(1.22 KB)
📄 CoverageFilters.cpp(2.72 KB)
📄 CoverageFilters.h(4.84 KB)
📄 CoverageReport.cpp(16.16 KB)
📄 CoverageReport.h(2.67 KB)
📄 CoverageSummaryInfo.cpp(2.28 KB)
📄 CoverageSummaryInfo.h(6.64 KB)
📄 CoverageViewOptions.h(2.19 KB)
📄 RenderingSupport.h(1.83 KB)
📄 SourceCoverageView.cpp(8.88 KB)
📄 SourceCoverageView.h(9.34 KB)
📄 SourceCoverageViewHTML.cpp(21.81 KB)
📄 SourceCoverageViewHTML.h(3.48 KB)
📄 SourceCoverageViewText.cpp(9.09 KB)
📄 SourceCoverageViewText.h(3.16 KB)
📄 TestingSupport.cpp(3.33 KB)
📄 gcov.cpp(6.97 KB)
📄 llvm-cov.cpp(3.32 KB)

Editing: CoverageSummaryInfo.h

//===- CoverageSummaryInfo.h - Coverage summary for function/file ---------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// These structures are used to represent code coverage metrics
// for functions/files.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_COV_COVERAGESUMMARYINFO_H
#define LLVM_COV_COVERAGESUMMARYINFO_H

#include "llvm/ProfileData/Coverage/CoverageMapping.h"
#include "llvm/Support/raw_ostream.h"

namespace llvm {

/// Provides information about region coverage for a function/file.
class RegionCoverageInfo {
  /// The number of regions that were executed at least once.
  size_t Covered;

/// The total number of regions in a function/file.
  size_t NumRegions;

public:
  RegionCoverageInfo() : Covered(0), NumRegions(0) {}

RegionCoverageInfo(size_t Covered, size_t NumRegions)
      : Covered(Covered), NumRegions(NumRegions) {
    assert(Covered <= NumRegions && "Covered regions over-counted");
  }

RegionCoverageInfo &operator+=(const RegionCoverageInfo &RHS) {
    Covered += RHS.Covered;
    NumRegions += RHS.NumRegions;
    return *this;
  }

void merge(const RegionCoverageInfo &RHS) {
    Covered = std::max(Covered, RHS.Covered);
    NumRegions = std::max(NumRegions, RHS.NumRegions);
  }

size_t getCovered() const { return Covered; }

size_t getNumRegions() const { return NumRegions; }

bool isFullyCovered() const { return Covered == NumRegions; }

double getPercentCovered() const {
    assert(Covered <= NumRegions && "Covered regions over-counted");
    if (NumRegions == 0)
      return 0.0;
    return double(Covered) / double(NumRegions) * 100.0;
  }
};

/// Provides information about line coverage for a function/file.
class LineCoverageInfo {
  /// The number of lines that were executed at least once.
  size_t Covered;

/// The total number of lines in a function/file.
  size_t NumLines;

public:
  LineCoverageInfo() : Covered(0), NumLines(0) {}

LineCoverageInfo(size_t Covered, size_t NumLines)
      : Covered(Covered), NumLines(NumLines) {
    assert(Covered <= NumLines && "Covered lines over-counted");
  }

LineCoverageInfo &operator+=(const LineCoverageInfo &RHS) {
    Covered += RHS.Covered;
    NumLines += RHS.NumLines;
    return *this;
  }

void merge(const LineCoverageInfo &RHS) {
    Covered = std::max(Covered, RHS.Covered);
    NumLines = std::max(NumLines, RHS.NumLines);
  }

size_t getCovered() const { return Covered; }

size_t getNumLines() const { return NumLines; }

bool isFullyCovered() const { return Covered == NumLines; }

double getPercentCovered() const {
    assert(Covered <= NumLines && "Covered lines over-counted");
    if (NumLines == 0)
      return 0.0;
    return double(Covered) / double(NumLines) * 100.0;
  }
};

/// Provides information about function coverage for a file.
class FunctionCoverageInfo {
  /// The number of functions that were executed.
  size_t Executed;

/// The total number of functions in this file.
  size_t NumFunctions;

public:
  FunctionCoverageInfo() : Executed(0), NumFunctions(0) {}

FunctionCoverageInfo(size_t Executed, size_t NumFunctions)
      : Executed(Executed), NumFunctions(NumFunctions) {}

FunctionCoverageInfo &operator+=(const FunctionCoverageInfo &RHS) {
    Executed += RHS.Executed;
    NumFunctions += RHS.NumFunctions;
    return *this;
  }

void addFunction(bool Covered) {
    if (Covered)
      ++Executed;
    ++NumFunctions;
  }

size_t getExecuted() const { return Executed; }

size_t getNumFunctions() const { return NumFunctions; }

bool isFullyCovered() const { return Executed == NumFunctions; }

double getPercentCovered() const {
    assert(Executed <= NumFunctions && "Covered functions over-counted");
    if (NumFunctions == 0)
      return 0.0;
    return double(Executed) / double(NumFunctions) * 100.0;
  }
};

/// A summary of function's code coverage.
struct FunctionCoverageSummary {
  std::string Name;
  uint64_t ExecutionCount;
  RegionCoverageInfo RegionCoverage;
  LineCoverageInfo LineCoverage;

FunctionCoverageSummary(const std::string &Name)
      : Name(Name), ExecutionCount(0), RegionCoverage(), LineCoverage() {}

FunctionCoverageSummary(const std::string &Name, uint64_t ExecutionCount,
                          const RegionCoverageInfo &RegionCoverage,
                          const LineCoverageInfo &LineCoverage)
      : Name(Name), ExecutionCount(ExecutionCount),
        RegionCoverage(RegionCoverage), LineCoverage(LineCoverage) {}

/// Compute the code coverage summary for the given function coverage
  /// mapping record.
  static FunctionCoverageSummary get(const coverage::CoverageMapping &CM,
                                     const coverage::FunctionRecord &Function);

/// Compute the code coverage summary for an instantiation group \p Group,
  /// given a list of summaries for each instantiation in \p Summaries.
  static FunctionCoverageSummary
  get(const coverage::InstantiationGroup &Group,
      ArrayRef<FunctionCoverageSummary> Summaries);
};

/// A summary of file's code coverage.
struct FileCoverageSummary {
  StringRef Name;
  RegionCoverageInfo RegionCoverage;
  LineCoverageInfo LineCoverage;
  FunctionCoverageInfo FunctionCoverage;
  FunctionCoverageInfo InstantiationCoverage;

FileCoverageSummary(StringRef Name)
      : Name(Name), RegionCoverage(), LineCoverage(), FunctionCoverage(),
        InstantiationCoverage() {}

FileCoverageSummary &operator+=(const FileCoverageSummary &RHS) {
    RegionCoverage += RHS.RegionCoverage;
    LineCoverage += RHS.LineCoverage;
    FunctionCoverage += RHS.FunctionCoverage;
    InstantiationCoverage += RHS.InstantiationCoverage;
    return *this;
  }

void addFunction(const FunctionCoverageSummary &Function) {
    RegionCoverage += Function.RegionCoverage;
    LineCoverage += Function.LineCoverage;
    FunctionCoverage.addFunction(/*Covered=*/Function.ExecutionCount > 0);
  }

void addInstantiation(const FunctionCoverageSummary &Function) {
    InstantiationCoverage.addFunction(/*Covered=*/Function.ExecutionCount > 0);
  }
};

/// A cache for demangled symbols.
struct DemangleCache {
  StringMap<std::string> DemangledNames;

/// Demangle \p Sym if possible. Otherwise, just return \p Sym.
  StringRef demangle(StringRef Sym) const {
    const auto DemangledName = DemangledNames.find(Sym);
    if (DemangledName == DemangledNames.end())
      return Sym;
    return DemangledName->getValue();
  }
};

} // namespace llvm

#endif // LLVM_COV_COVERAGESUMMARYINFO_H

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