1 //===- CoverageExporterJson.cpp - Code coverage export --------------------===//
9 // This file implements export of code coverage data to JSON.
15 // The json code coverage export follows the following format
19 //     -- Files: array => List of objects describing coverage for files
20 //       -- File: dict => Coverage for a single file
34 //         -- Summary: dict => Object summarizing the coverage for this file
35 //           -- LineCoverage: dict => Object summarizing line coverage
36 //           -- FunctionCoverage: dict => Object summarizing function coverage
37 //           -- RegionCoverage: dict => Object summarizing region coverage
38 //           -- BranchCoverage: dict => Object summarizing branch coverage
39 //           -- MCDCCoverage: dict => Object summarizing MC/DC coverage
40 //     -- Functions: array => List of objects describing coverage for functions
41 //       -- Function: dict => Coverage info for a single function
43 //   -- Summary: dict => Object summarizing the coverage for the entire binary
44 //     -- LineCoverage: dict => Object summarizing line coverage
45 //     -- FunctionCoverage: dict => Object summarizing function coverage
46 //     -- InstantiationCoverage: dict => Object summarizing inst. coverage
47 //     -- RegionCoverage: dict => Object summarizing region coverage
48 //     -- BranchCoverage: dict => Object summarizing branch coverage
49 //     -- MCDCCoverage: dict => Object summarizing MC/DC coverage
67 /// Unique type identifier for JSON coverage export.
68 #define LLVM_COVERAGE_EXPORT_JSON_TYPE_STR "llvm.coverage.json.export"
83 json::Array renderSegment(const coverage::CoverageSegment &Segment) {  in renderSegment()
89 json::Array renderRegion(const coverage::CountedRegion &Region) {  in renderRegion()
96 json::Array renderBranch(const coverage::CountedRegion &Region) {  in renderBranch()
104 json::Array gatherConditions(const coverage::MCDCRecord &Record) {  in gatherConditions()
111 json::Array renderMCDCRecord(const coverage::MCDCRecord &Record) {  in renderMCDCRecord()
112   const llvm::coverage::CounterMappingRegion &CMR = Record.getDecisionRegion();  in renderMCDCRecord()
118 json::Array renderRegions(ArrayRef<coverage::CountedRegion> Regions) {  in renderRegions()
125 json::Array renderBranchRegions(ArrayRef<coverage::CountedRegion> Regions) {  in renderBranchRegions()
133 json::Array renderMCDCRecords(ArrayRef<coverage::MCDCRecord> Records) {  in renderMCDCRecords()
140 std::vector<llvm::coverage::CountedRegion>
141 collectNestedBranches(const coverage::CoverageMapping &Coverage,  in collectNestedBranches()  argument
142                       ArrayRef<llvm::coverage::ExpansionRecord> Expansions) {  in collectNestedBranches()
143   std::vector<llvm::coverage::CountedRegion> Branches;  in collectNestedBranches()
145     auto ExpansionCoverage = Coverage.getCoverageForExpansion(Expansion);  in collectNestedBranches()
149     auto NestedExBranches = collectNestedBranches(Coverage, NestedExpansions);  in collectNestedBranches()
162 json::Object renderExpansion(const coverage::CoverageMapping &Coverage,  in renderExpansion()  argument
163                              const coverage::ExpansionRecord &Expansion) {  in renderExpansion()
164   std::vector<llvm::coverage::ExpansionRecord> Expansions = {Expansion};  in renderExpansion()
169        // Enumerate the coverage information for the expansion.  in renderExpansion()
171        // Enumerate the branch coverage information for the expansion.  in renderExpansion()
173         renderBranchRegions(collectNestedBranches(Coverage, Expansions))}});  in renderExpansion()
216 json::Array renderFileExpansions(const coverage::CoverageMapping &Coverage,  in renderFileExpansions()  argument
217                                  const coverage::CoverageData &FileCoverage,  in renderFileExpansions()
221     ExpansionArray.push_back(renderExpansion(Coverage, Expansion));  in renderFileExpansions()
225 json::Array renderFileSegments(const coverage::CoverageData &FileCoverage,  in renderFileSegments()
233 json::Array renderFileBranches(const coverage::CoverageData &FileCoverage,  in renderFileBranches()
241 json::Array renderFileMCDC(const coverage::CoverageData &FileCoverage,  in renderFileMCDC()
249 json::Object renderFile(const coverage::CoverageMapping &Coverage,  in renderFile()  argument
255     // Calculate and render detailed coverage information for given file.  in renderFile()
256     auto FileCoverage = Coverage.getCoverageForFile(Filename);  in renderFile()
262           renderFileExpansions(Coverage, FileCoverage, FileReport);  in renderFile()
269 json::Array renderFiles(const coverage::CoverageMapping &Coverage,  in renderFiles()  argument
288       auto File = renderFile(Coverage, SourceFile, FileReport, Options);  in renderFiles()
300     const iterator_range<coverage::FunctionRecordIterator> &Functions) {  in renderFunctions()
317   for (StringRef SF : Coverage.getUniqueSourceFiles()) {  in renderRoot()
326   auto FileReports = CoverageReport::prepareFileReports(Coverage, Totals,  in renderRoot()
328   auto Files = renderFiles(Coverage, SourceFiles, FileReports, Options);  in renderRoot()
343     Export["functions"] = renderFunctions(Coverage.getCoveredFunctions());  in renderRoot()