xref: /llvm-project/llvm/tools/llvm-cov/CoverageFilters.cpp (revision e15300ecf534eef3832c7e9591f3ea01f099bbbd)
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 NameWhitelistCoverageFilter::matches(
31     const coverage::FunctionRecord &Function) {
32   return Whitelist.inSection("whitelist_fun", Function.Name);
33 }
34 
35 bool RegionCoverageFilter::matches(const coverage::FunctionRecord &Function) {
36   return PassesThreshold(FunctionCoverageSummary::get(Function)
37                              .RegionCoverage.getPercentCovered());
38 }
39 
40 bool LineCoverageFilter::matches(const coverage::FunctionRecord &Function) {
41   return PassesThreshold(
42       FunctionCoverageSummary::get(Function).LineCoverage.getPercentCovered());
43 }
44 
45 void CoverageFilters::push_back(std::unique_ptr<CoverageFilter> Filter) {
46   Filters.push_back(std::move(Filter));
47 }
48 
49 bool CoverageFilters::matches(const coverage::FunctionRecord &Function) {
50   for (const auto &Filter : Filters) {
51     if (Filter->matches(Function))
52       return true;
53   }
54   return false;
55 }
56 
57 bool
58 CoverageFiltersMatchAll::matches(const coverage::FunctionRecord &Function) {
59   for (const auto &Filter : Filters) {
60     if (!Filter->matches(Function))
61       return false;
62   }
63   return true;
64 }
65