forked from OSchip/llvm-project
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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