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 coverage::FunctionRecord &Function) {
  21   StringRef FuncName = Function.Name;
  22   return FuncName.find(Name) != StringRef::npos;
  23 }
  24
  25 bool
  26 NameRegexCoverageFilter::matches(const coverage::FunctionRecord &Function) {
  27   return llvm::Regex(Regex).match(Function.Name);
  28 }
  29
  30 bool RegionCoverageFilter::matches(const coverage::FunctionRecord &Function) {
  31   return PassesThreshold(FunctionCoverageSummary::get(Function)
  32                              .RegionCoverage.getPercentCovered());
  33 }
  34
  35 bool LineCoverageFilter::matches(const coverage::FunctionRecord &Function) {
  36   return PassesThreshold(
  37       FunctionCoverageSummary::get(Function).LineCoverage.getPercentCovered());
  38 }
  39
  40 void CoverageFilters::push_back(std::unique_ptr<CoverageFilter> Filter) {
  41   Filters.push_back(std::move(Filter));
  42 }
  43
  44 bool CoverageFilters::matches(const coverage::FunctionRecord &Function) {
  45   for (const auto &Filter : Filters) {
  46     if (Filter->matches(Function))
  47       return true;
  48   }
  49   return false;
  50 }
  51
  52 bool
  53 CoverageFiltersMatchAll::matches(const coverage::FunctionRecord &Function) {
  54   for (const auto &Filter : Filters) {
  55     if (!Filter->matches(Function))
  56       return false;
  57   }
  58   return true;
  59 }