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Summary: This speeds up export "summary-only" execution by an order of magnitude or two, depending on number of threads used for prepareFileReports execution. Also includes minor refactoring for splitting render of summary and detailed data in two independent methods. Reviewers: vsk, morehouse Reviewed By: vsk Subscribers: llvm-commits, kcc Differential Revision: https://reviews.llvm.org/D42000 llvm-svn: 322397
113 lines
3.5 KiB
C++
113 lines
3.5 KiB
C++
//===- CoverageExporterJson.h - Code coverage JSON exporter ---------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This class implements a code coverage exporter for JSON format.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_COV_COVERAGEEXPORTERJSON_H
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#define LLVM_COV_COVERAGEEXPORTERJSON_H
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#include "CoverageExporter.h"
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#include <stack>
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namespace llvm {
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class CoverageExporterJson : public CoverageExporter {
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/// \brief States that the JSON rendering machine can be in.
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enum JsonState { None, NonEmptyElement, EmptyElement };
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/// \brief Tracks state of the JSON output.
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std::stack<JsonState> State;
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/// \brief Emit a serialized scalar.
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void emitSerialized(const int64_t Value);
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/// \brief Emit a serialized string.
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void emitSerialized(const std::string &Value);
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/// \brief Emit a comma if there is a previous element to delimit.
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void emitComma();
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/// \brief Emit a starting dictionary/object character.
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void emitDictStart();
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/// \brief Emit a dictionary/object key but no value.
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void emitDictKey(const std::string &Key);
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/// \brief Emit a dictionary/object key/value pair.
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template <typename V>
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void emitDictElement(const std::string &Key, const V &Value) {
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emitComma();
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emitSerialized(Key);
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OS << ":";
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emitSerialized(Value);
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}
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/// \brief Emit a closing dictionary/object character.
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void emitDictEnd();
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/// \brief Emit a starting array character.
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void emitArrayStart();
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/// \brief Emit an array element.
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template <typename V> void emitArrayElement(const V &Value) {
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emitComma();
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emitSerialized(Value);
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}
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/// \brief emit a closing array character.
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void emitArrayEnd();
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/// \brief Render an array of all the given functions.
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void renderFunctions(
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const iterator_range<coverage::FunctionRecordIterator> &Functions);
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/// \brief Render an array of all the source files, also pass back a Summary.
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void renderFiles(ArrayRef<std::string> SourceFiles,
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ArrayRef<FileCoverageSummary> FileReports);
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/// \brief Render a single file.
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void renderFile(const std::string &Filename,
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const FileCoverageSummary &FileReport);
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/// \brief Render summary for a single file.
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void renderFileCoverage(const coverage::CoverageData &FileCoverage,
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const FileCoverageSummary &FileReport);
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/// \brief Render a CoverageSegment.
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void renderSegment(const coverage::CoverageSegment &Segment);
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/// \brief Render an ExpansionRecord.
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void renderExpansion(const coverage::ExpansionRecord &Expansion);
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/// \brief Render a list of CountedRegions.
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void renderRegions(ArrayRef<coverage::CountedRegion> Regions);
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/// \brief Render a single CountedRegion.
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void renderRegion(const coverage::CountedRegion &Region);
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/// \brief Render a FileCoverageSummary.
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void renderSummary(const FileCoverageSummary &Summary);
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public:
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CoverageExporterJson(const coverage::CoverageMapping &CoverageMapping,
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const CoverageViewOptions &Options, raw_ostream &OS);
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/// \brief Render the CoverageMapping object.
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void renderRoot() override;
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/// \brief Render the CoverageMapping object for specified source files.
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void renderRoot(const std::vector<std::string> &SourceFiles) override;
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};
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} // end namespace llvm
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#endif // LLVM_COV_COVERAGEEXPORTERJSON_H
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