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Diffstat (limited to 'include/lldb/Core/SourceManager.h')
| -rw-r--r-- | include/lldb/Core/SourceManager.h | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/include/lldb/Core/SourceManager.h b/include/lldb/Core/SourceManager.h new file mode 100644 index 0000000..b850df7 --- /dev/null +++ b/include/lldb/Core/SourceManager.h @@ -0,0 +1,196 @@ +//===-- SourceManager.h -----------------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#ifndef liblldb_SourceManager_h_ +#define liblldb_SourceManager_h_ + +// C Includes +// C++ Includes +#include <map> +#include <vector> + +// Other libraries and framework includes +// Project includes +#include "lldb/lldb-private.h" +#include "lldb/Host/FileSpec.h" + +namespace lldb_private { + +class SourceManager +{ +public: +#ifndef SWIG + + class File + { + friend bool operator== (const SourceManager::File &lhs, const SourceManager::File &rhs); + public: + + File (const FileSpec &file_spec, Target *target); + ~File(); + + size_t + DisplaySourceLines (uint32_t line, + uint32_t context_before, + uint32_t context_after, + Stream *s); + void + FindLinesMatchingRegex (RegularExpression& regex, + uint32_t start_line, + uint32_t end_line, + std::vector<uint32_t> &match_lines); + + bool + GetLine (uint32_t line_no, std::string &buffer); + + uint32_t + GetLineOffset (uint32_t line); + + bool + LineIsValid (uint32_t line); + + bool + FileSpecMatches (const FileSpec &file_spec); + + const FileSpec & + GetFileSpec () + { + return m_file_spec; + } + + uint32_t + GetSourceMapModificationID() const + { + return m_source_map_mod_id; + } + + protected: + + bool + CalculateLineOffsets (uint32_t line = UINT32_MAX); + + FileSpec m_file_spec_orig; // The original file spec that was used (can be different from m_file_spec) + FileSpec m_file_spec; // The actualy file spec being used (if the target has source mappings, this might be different from m_file_spec_orig) + TimeValue m_mod_time; // Keep the modification time that this file data is valid for + uint32_t m_source_map_mod_id; // If the target uses path remappings, be sure to clear our notion of a source file if the path modification ID changes + lldb::DataBufferSP m_data_sp; + typedef std::vector<uint32_t> LineOffsets; + LineOffsets m_offsets; + }; + +#endif // SWIG + + typedef std::shared_ptr<File> FileSP; + +#ifndef SWIG + + // The SourceFileCache class separates the source manager from the cache of source files, so the + // cache can be stored in the Debugger, but the source managers can be per target. + class SourceFileCache + { + public: + SourceFileCache () {} + ~SourceFileCache() {} + + void AddSourceFile (const FileSP &file_sp); + FileSP FindSourceFile (const FileSpec &file_spec) const; + + protected: + typedef std::map <FileSpec, FileSP> FileCache; + FileCache m_file_cache; + }; +#endif + + + //------------------------------------------------------------------ + // Constructors and Destructors + //------------------------------------------------------------------ + // A source manager can be made with a non-null target, in which case it can use the path remappings to find + // source files that are not in their build locations. With no target it won't be able to do this. + SourceManager (const lldb::DebuggerSP &debugger_sp); + SourceManager (const lldb::TargetSP &target_sp); + + ~SourceManager(); + + + FileSP + GetLastFile () + { + return m_last_file_sp; + } + + size_t + DisplaySourceLinesWithLineNumbers (const FileSpec &file, + uint32_t line, + uint32_t context_before, + uint32_t context_after, + const char* current_line_cstr, + Stream *s, + const SymbolContextList *bp_locs = NULL); + + // This variant uses the last file we visited. + size_t + DisplaySourceLinesWithLineNumbersUsingLastFile (uint32_t start_line, + uint32_t count, + uint32_t curr_line, + const char* current_line_cstr, + Stream *s, + const SymbolContextList *bp_locs = NULL); + + size_t + DisplayMoreWithLineNumbers (Stream *s, + uint32_t count, + bool reverse, + const SymbolContextList *bp_locs = NULL); + + bool + SetDefaultFileAndLine (const FileSpec &file_spec, uint32_t line); + + bool + GetDefaultFileAndLine (FileSpec &file_spec, uint32_t &line); + + bool + DefaultFileAndLineSet () + { + return (m_last_file_sp.get() != NULL); + } + + void + FindLinesMatchingRegex (FileSpec &file_spec, + RegularExpression& regex, + uint32_t start_line, + uint32_t end_line, + std::vector<uint32_t> &match_lines); + +protected: + + FileSP + GetFile (const FileSpec &file_spec); + + //------------------------------------------------------------------ + // Classes that inherit from SourceManager can see and modify these + //------------------------------------------------------------------ + FileSP m_last_file_sp; + uint32_t m_last_line; + uint32_t m_last_count; + bool m_default_set; + lldb::TargetWP m_target_wp; + lldb::DebuggerWP m_debugger_wp; + +private: + //------------------------------------------------------------------ + // For SourceManager only + //------------------------------------------------------------------ + DISALLOW_COPY_AND_ASSIGN (SourceManager); +}; + +bool operator== (const SourceManager::File &lhs, const SourceManager::File &rhs); +} // namespace lldb_private + +#endif // liblldb_SourceManager_h_ |
