tools/llvm-cov/CoverageFilters.cpp

   1 //===- CoverageFilters.cpp - Function coverage mapping filters ------------===//
   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 // These classes provide filtering for function coverage mapping records.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "CoverageFilters.h"
  15 #include "CoverageSummaryInfo.h"
  16 #include "llvm/Support/Regex.h"
  17
  18 using namespace llvm;
  19
  20 bool NameCoverageFilter::matches(const FunctionCoverageMapping &Function) {
  21   StringRef FuncName = Function.PrettyName;
  22   return FuncName.find(Name) != StringRef::npos;
  23 }
  24
  25 bool NameRegexCoverageFilter::matches(const FunctionCoverageMapping &Function) {
  26   return llvm::Regex(Regex).match(Function.PrettyName);
  27 }
  28
  29 bool RegionCoverageFilter::matches(const FunctionCoverageMapping &Function) {
  30   return PassesThreshold(FunctionCoverageSummary::get(Function)
  31                              .RegionCoverage.getPercentCovered());
  32 }
  33
  34 bool LineCoverageFilter::matches(const FunctionCoverageMapping &Function) {
  35   return PassesThreshold(
  36       FunctionCoverageSummary::get(Function).LineCoverage.getPercentCovered());
  37 }
  38
  39 void CoverageFilters::push_back(std::unique_ptr<CoverageFilter> Filter) {
  40   Filters.push_back(std::move(Filter));
  41 }
  42
  43 bool CoverageFilters::matches(const FunctionCoverageMapping &Function) {
  44   for (const auto &Filter : Filters) {
  45     if (Filter->matches(Function))
  46       return true;
  47   }
  48   return false;
  49 }
  50
  51 bool CoverageFiltersMatchAll::matches(const FunctionCoverageMapping &Function) {
  52   for (const auto &Filter : Filters) {
  53     if (!Filter->matches(Function))
  54       return false;
  55   }
  56   return true;
  57 }