1 //===- CoverageMappingWriter.h - Code coverage mapping writer ---*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This file contains support for writing coverage mapping data for 10 // instrumentation based coverage. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_PROFILEDATA_COVERAGE_COVERAGEMAPPINGWRITER_H 15 #define LLVM_PROFILEDATA_COVERAGE_COVERAGEMAPPINGWRITER_H 16 17 #include "llvm/ADT/ArrayRef.h" 18 #include "llvm/ADT/StringRef.h" 19 #include "llvm/ProfileData/Coverage/CoverageMapping.h" 20 21 namespace llvm { 22 23 class raw_ostream; 24 25 namespace coverage { 26 27 /// Writer of the filenames section for the instrumentation 28 /// based code coverage. 29 class CoverageFilenamesSectionWriter { 30 ArrayRef<StringRef> Filenames; 31 32 public: 33 CoverageFilenamesSectionWriter(ArrayRef<StringRef> Filenames); 34 35 /// Write encoded filenames to the given output stream. If \p Compress is 36 /// true, attempt to compress the filenames. 37 void write(raw_ostream &OS, bool Compress = true); 38 }; 39 40 /// Writer for instrumentation based coverage mapping data. 41 class CoverageMappingWriter { 42 ArrayRef<unsigned> VirtualFileMapping; 43 ArrayRef<CounterExpression> Expressions; 44 MutableArrayRef<CounterMappingRegion> MappingRegions; 45 46 public: 47 CoverageMappingWriter(ArrayRef<unsigned> VirtualFileMapping, 48 ArrayRef<CounterExpression> Expressions, 49 MutableArrayRef<CounterMappingRegion> MappingRegions) 50 : VirtualFileMapping(VirtualFileMapping), Expressions(Expressions), 51 MappingRegions(MappingRegions) {} 52 53 /// Write encoded coverage mapping data to the given output stream. 54 void write(raw_ostream &OS); 55 }; 56 57 } // end namespace coverage 58 59 } // end namespace llvm 60 61 #endif // LLVM_PROFILEDATA_COVERAGE_COVERAGEMAPPINGWRITER_H 62