forked from OSchip/llvm-project
Add data formatters for NSError and NSException
llvm-svn: 252269
This commit is contained in:
Enrico Granata
parent
5010868328
commit
16709ef9dd
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@ -112,6 +112,167 @@ namespace lldb_private {
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time_t
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GetOSXEpoch ();
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struct InferiorSizedWord {
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InferiorSizedWord(const InferiorSizedWord& word) : ptr_size(word.ptr_size)
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{
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if (ptr_size == 4)
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thirty_two = word.thirty_two;
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else
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sixty_four = word.sixty_four;
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}
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InferiorSizedWord
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operator = (const InferiorSizedWord& word)
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{
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ptr_size = word.ptr_size;
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if (ptr_size == 4)
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thirty_two = word.thirty_two;
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else
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sixty_four = word.sixty_four;
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return *this;
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}
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InferiorSizedWord(uint64_t val, Process& process) : ptr_size(process.GetAddressByteSize())
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{
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if (ptr_size == 4)
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thirty_two = (uint32_t)val;
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else if (ptr_size == 8)
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sixty_four = val;
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else
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assert (false && "new pointer size is unknown");
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}
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bool
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IsNegative () const
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{
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if (ptr_size == 4)
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return ((int32_t)thirty_two) < 0;
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else
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return ((int64_t)sixty_four) < 0;
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}
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bool
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IsZero () const
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{
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if (ptr_size == 4)
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return thirty_two == 0;
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else
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return sixty_four == 0;
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}
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static InferiorSizedWord
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GetMaximum (Process& process)
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{
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if (process.GetAddressByteSize() == 4)
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return InferiorSizedWord(UINT32_MAX,4);
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else
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return InferiorSizedWord(UINT64_MAX,8);
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}
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InferiorSizedWord
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operator >> (int rhs) const
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{
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if (ptr_size == 4)
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return InferiorSizedWord(thirty_two >> rhs,4);
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return InferiorSizedWord(sixty_four>>rhs,8);
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}
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InferiorSizedWord
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operator << (int rhs) const
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{
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if (ptr_size == 4)
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return InferiorSizedWord(thirty_two << rhs,4);
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return InferiorSizedWord(sixty_four << rhs,8);
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}
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InferiorSizedWord
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operator & (const InferiorSizedWord& word) const
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{
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if (ptr_size != word.ptr_size)
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return InferiorSizedWord(0,ptr_size);
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if (ptr_size == 4)
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return InferiorSizedWord(thirty_two & word.thirty_two,4);
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return InferiorSizedWord(sixty_four & word.sixty_four,8);
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}
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InferiorSizedWord
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operator & (int x) const
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{
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if (ptr_size == 4)
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return InferiorSizedWord(thirty_two & x,4);
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return InferiorSizedWord(sixty_four & x,8);
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}
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size_t
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GetBitSize () const
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{
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return ptr_size << 3;
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}
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size_t
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GetByteSize () const
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{
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return ptr_size;
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}
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uint64_t
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GetValue () const
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{
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if (ptr_size == 4)
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return (uint64_t)thirty_two;
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return sixty_four;
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}
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InferiorSizedWord
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SignExtend () const
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{
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if (ptr_size == 4)
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return InferiorSizedWord ((int32_t)thirty_two,4);
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return InferiorSizedWord((int64_t)sixty_four,8);
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}
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uint8_t*
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CopyToBuffer (uint8_t* buffer) const
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{
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if (ptr_size == 4)
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{
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memcpy(buffer, &thirty_two, 4);
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return buffer + 4;
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}
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else
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{
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memcpy(buffer, &sixty_four, 8);
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return buffer + 8;
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}
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}
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DataExtractor
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GetAsData (lldb::ByteOrder byte_order = lldb::eByteOrderInvalid) const
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{
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if (ptr_size == 4)
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return DataExtractor(&thirty_two, 4, byte_order, 4);
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else
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return DataExtractor(&sixty_four, 8, byte_order, 8);
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}
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private:
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InferiorSizedWord(uint64_t val, size_t psz) : ptr_size(psz)
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{
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if (ptr_size == 4)
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thirty_two = (uint32_t)val;
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else
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sixty_four = val;
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}
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size_t ptr_size;
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union {
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uint32_t thirty_two;
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uint64_t sixty_four;
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};
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};
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} // namespace formatters
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} // namespace lldb_private
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@ -739,6 +739,8 @@
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8CF02AE919DCC01900B14BE0 /* InstrumentationRuntime.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 8CF02ADF19DCBF3B00B14BE0 /* InstrumentationRuntime.cpp */; };
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8CF02AEA19DCC02100B14BE0 /* AddressSanitizerRuntime.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 8CF02AE519DCBF8400B14BE0 /* AddressSanitizerRuntime.cpp */; };
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8CF02AEF19DD16B100B14BE0 /* InstrumentationRuntimeStopInfo.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 8CF02AED19DD15CF00B14BE0 /* InstrumentationRuntimeStopInfo.cpp */; };
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9404957A1BEC497E00926025 /* NSError.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 940495781BEC497E00926025 /* NSError.cpp */; };
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9404957B1BEC497E00926025 /* NSException.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 940495791BEC497E00926025 /* NSException.cpp */; };
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94094C6B163B6F840083A547 /* ValueObjectCast.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 94094C69163B6CD90083A547 /* ValueObjectCast.cpp */; };
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940B02F619DC96E700AD0F52 /* SBExecutionContext.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 940B02F519DC96E700AD0F52 /* SBExecutionContext.cpp */; };
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940B04D91A8984FF0045D5F7 /* argdumper.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 940B04D81A8984FF0045D5F7 /* argdumper.cpp */; };
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@ -2485,6 +2487,8 @@
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94005E0313F438DF001EF42D /* python-wrapper.swig */ = {isa = PBXFileReference; lastKnownFileType = text; path = "python-wrapper.swig"; sourceTree = "<group>"; };
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94005E0513F45A1B001EF42D /* embedded_interpreter.py */ = {isa = PBXFileReference; lastKnownFileType = text.script.python; name = embedded_interpreter.py; path = source/Interpreter/embedded_interpreter.py; sourceTree = "<group>"; };
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94031A9F13CF5B3D00DCFF3C /* PriorityPointerPair.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; name = PriorityPointerPair.h; path = include/lldb/Utility/PriorityPointerPair.h; sourceTree = "<group>"; };
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940495781BEC497E00926025 /* NSError.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = NSError.cpp; path = Language/ObjC/NSError.cpp; sourceTree = "<group>"; };
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940495791BEC497E00926025 /* NSException.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = NSException.cpp; path = Language/ObjC/NSException.cpp; sourceTree = "<group>"; };
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94094C68163B6CCC0083A547 /* ValueObjectCast.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; name = ValueObjectCast.h; path = include/lldb/Core/ValueObjectCast.h; sourceTree = "<group>"; };
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94094C69163B6CD90083A547 /* ValueObjectCast.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = ValueObjectCast.cpp; path = source/Core/ValueObjectCast.cpp; sourceTree = "<group>"; };
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940B02F419DC96CB00AD0F52 /* SBExecutionContext.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; name = SBExecutionContext.h; path = include/lldb/API/SBExecutionContext.h; sourceTree = "<group>"; };
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@ -5530,6 +5534,8 @@
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949EEDA41BA765B5008C63CF /* NSArray.cpp */,
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94B9E50E1BBEFDFE000A48DC /* NSDictionary.h */,
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949EEDA51BA765B5008C63CF /* NSDictionary.cpp */,
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940495781BEC497E00926025 /* NSError.cpp */,
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940495791BEC497E00926025 /* NSException.cpp */,
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949EEDA61BA765B5008C63CF /* NSIndexPath.cpp */,
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94B9E50F1BBF0069000A48DC /* NSSet.h */,
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949EEDA71BA765B5008C63CF /* NSSet.cpp */,
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@ -6434,6 +6440,7 @@
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26474CAC18D0CB070073DEBA /* RegisterContextFreeBSD_x86_64.cpp in Sources */,
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2689001713353DDE00698AC0 /* CommandObjectDisassemble.cpp in Sources */,
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2689001813353DDE00698AC0 /* CommandObjectExpression.cpp in Sources */,
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9404957B1BEC497E00926025 /* NSException.cpp in Sources */,
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2689001A13353DDE00698AC0 /* CommandObjectFrame.cpp in Sources */,
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2689001B13353DDE00698AC0 /* CommandObjectHelp.cpp in Sources */,
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23F4034D1926E0F60046DC9B /* NativeRegisterContextRegisterInfo.cpp in Sources */,
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@ -6478,6 +6485,7 @@
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2689003213353E0400698AC0 /* Communication.cpp in Sources */,
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2689003313353E0400698AC0 /* Connection.cpp in Sources */,
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2689003513353E0400698AC0 /* ConstString.cpp in Sources */,
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9404957A1BEC497E00926025 /* NSError.cpp in Sources */,
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2689003613353E0400698AC0 /* DataBufferHeap.cpp in Sources */,
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2689003713353E0400698AC0 /* DataBufferMemoryMap.cpp in Sources */,
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2689003813353E0400698AC0 /* DataExtractor.cpp in Sources */,
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@ -5,6 +5,8 @@ add_lldb_library(lldbPluginObjCLanguage
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CoreMedia.cpp
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NSArray.cpp
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NSDictionary.cpp
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NSError.cpp
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NSException.cpp
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NSIndexPath.cpp
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NSSet.cpp
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NSString.cpp
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@ -79,6 +79,18 @@ namespace lldb_private {
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bool
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RuntimeSpecificDescriptionSummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& options);
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bool
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NSError_SummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& options);
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bool
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NSException_SummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& options);
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SyntheticChildrenFrontEnd*
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NSErrorSyntheticFrontEndCreator (CXXSyntheticChildren*, lldb::ValueObjectSP valobj_sp);
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SyntheticChildrenFrontEnd*
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NSExceptionSyntheticFrontEndCreator (CXXSyntheticChildren*, lldb::ValueObjectSP valobj_sp);
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} // namespace formatters
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} // namespace lldb_private
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@ -0,0 +1,218 @@
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//===-- NSError.cpp ----------------------------------------------*- C++ -*-===//
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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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#include "Cocoa.h"
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#include "lldb/Core/DataBufferHeap.h"
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#include "lldb/Core/Error.h"
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#include "lldb/Core/Stream.h"
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#include "lldb/Core/ValueObject.h"
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#include "lldb/Core/ValueObjectConstResult.h"
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#include "lldb/DataFormatters/FormattersHelpers.h"
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#include "lldb/Host/Endian.h"
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#include "lldb/Symbol/ClangASTContext.h"
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#include "lldb/Target/ObjCLanguageRuntime.h"
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#include "lldb/Target/Target.h"
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#include "lldb/Utility/ProcessStructReader.h"
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#include "clang/AST/DeclCXX.h"
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#include "Plugins/Language/ObjC/NSString.h"
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using namespace lldb;
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using namespace lldb_private;
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using namespace lldb_private::formatters;
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bool
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lldb_private::formatters::NSError_SummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& options)
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{
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ProcessSP process_sp(valobj.GetProcessSP());
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if (!process_sp)
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return false;
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lldb::addr_t ptr_value = LLDB_INVALID_ADDRESS;
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CompilerType valobj_type(valobj.GetCompilerType());
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Flags type_flags(valobj_type.GetTypeInfo());
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if (type_flags.AllClear(eTypeHasValue))
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{
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if (valobj.IsBaseClass() && valobj.GetParent())
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ptr_value = valobj.GetParent()->GetValueAsUnsigned(LLDB_INVALID_ADDRESS);
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}
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else
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ptr_value = valobj.GetValueAsUnsigned(LLDB_INVALID_ADDRESS);
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if (ptr_value == LLDB_INVALID_ADDRESS)
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return false;
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size_t ptr_size = process_sp->GetAddressByteSize();
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lldb::addr_t code_location = ptr_value + 2 * ptr_size;
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lldb::addr_t domain_location = ptr_value + 3 * ptr_size;
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Error error;
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uint64_t code = process_sp->ReadUnsignedIntegerFromMemory(code_location, ptr_size, 0, error);
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if (error.Fail())
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return false;
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lldb::addr_t domain_str_value = process_sp->ReadPointerFromMemory(domain_location, error);
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if (error.Fail() || domain_str_value == LLDB_INVALID_ADDRESS)
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return false;
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if (!domain_str_value)
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{
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stream.Printf("domain: nil - code: %" PRIu64, code);
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return true;
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}
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InferiorSizedWord isw(domain_str_value, *process_sp);
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ValueObjectSP domain_str_sp = ValueObject::CreateValueObjectFromData("domain_str", isw.GetAsData(process_sp->GetByteOrder()), valobj.GetExecutionContextRef(), process_sp->GetTarget().GetScratchClangASTContext()->GetBasicType(lldb::eBasicTypeVoid).GetPointerType());
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if (!domain_str_sp)
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return false;
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StreamString domain_str_summary;
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if (NSStringSummaryProvider(*domain_str_sp, domain_str_summary, options) && !domain_str_summary.Empty())
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{
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stream.Printf("domain: %s - code: %" PRIu64, domain_str_summary.GetData(), code);
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return true;
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}
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else
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{
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stream.Printf("domain: nil - code: %" PRIu64, code);
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return true;
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}
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}
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class NSErrorSyntheticFrontEnd : public SyntheticChildrenFrontEnd
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{
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public:
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NSErrorSyntheticFrontEnd (lldb::ValueObjectSP valobj_sp) :
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SyntheticChildrenFrontEnd(*valobj_sp)
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{}
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virtual size_t
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CalculateNumChildren ()
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{
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if (m_child_ptr)
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return 1;
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if (m_child_sp)
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return 1;
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return 0;
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}
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virtual lldb::ValueObjectSP
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GetChildAtIndex (size_t idx)
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{
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if (idx != 0)
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return lldb::ValueObjectSP();
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if (m_child_ptr)
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return m_child_ptr->GetSP();
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return m_child_sp;
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}
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virtual bool
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Update()
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{
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m_child_ptr = nullptr;
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m_child_sp.reset();
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ProcessSP process_sp(m_backend.GetProcessSP());
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if (!process_sp)
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return false;
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lldb::addr_t userinfo_location = LLDB_INVALID_ADDRESS;
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CompilerType valobj_type(m_backend.GetCompilerType());
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Flags type_flags(valobj_type.GetTypeInfo());
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if (type_flags.AllClear(eTypeHasValue))
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{
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if (m_backend.IsBaseClass() && m_backend.GetParent())
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userinfo_location = m_backend.GetParent()->GetValueAsUnsigned(LLDB_INVALID_ADDRESS);
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}
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else
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userinfo_location = m_backend.GetValueAsUnsigned(LLDB_INVALID_ADDRESS);
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if (userinfo_location == LLDB_INVALID_ADDRESS)
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return false;
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size_t ptr_size = process_sp->GetAddressByteSize();
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userinfo_location += 4 * ptr_size;
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Error error;
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lldb::addr_t userinfo = process_sp->ReadPointerFromMemory(userinfo_location, error);
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if (userinfo == LLDB_INVALID_ADDRESS || error.Fail())
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return false;
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InferiorSizedWord isw(userinfo,*process_sp);
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m_child_sp = ValueObject::CreateValueObjectFromData("_userInfo",
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isw.GetAsData(process_sp->GetByteOrder()),
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m_backend.GetExecutionContextRef(),
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process_sp->GetTarget().GetScratchClangASTContext()->GetBasicType(lldb::eBasicTypeObjCID));
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return false;
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}
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virtual bool
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MightHaveChildren ()
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{
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return true;
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}
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virtual size_t
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GetIndexOfChildWithName (const ConstString &name)
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{
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static ConstString g___userInfo("_userInfo");
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if (name == g___userInfo)
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return 0;
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return UINT32_MAX;
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}
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virtual
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~NSErrorSyntheticFrontEnd ()
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{
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// no need to delete m_child_ptr - it's kept alive by the cluster manager on our behalf
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}
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private:
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// the child here can be "real" (i.e. an actual child of the root) or synthetized from raw memory
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// if the former, I need to store a plain pointer to it - or else a loop of references will cause this entire hierarchy of values to leak
|
||||
// if the latter, then I need to store a SharedPointer to it - so that it only goes away when everyone else in the cluster goes away
|
||||
// oh joy!
|
||||
ValueObject* m_child_ptr;
|
||||
ValueObjectSP m_child_sp;
|
||||
};
|
||||
|
||||
SyntheticChildrenFrontEnd*
|
||||
lldb_private::formatters::NSErrorSyntheticFrontEndCreator (CXXSyntheticChildren*, lldb::ValueObjectSP valobj_sp)
|
||||
{
|
||||
lldb::ProcessSP process_sp (valobj_sp->GetProcessSP());
|
||||
if (!process_sp)
|
||||
return nullptr;
|
||||
ObjCLanguageRuntime *runtime = (ObjCLanguageRuntime*)process_sp->GetLanguageRuntime(lldb::eLanguageTypeObjC);
|
||||
if (!runtime)
|
||||
return nullptr;
|
||||
|
||||
ObjCLanguageRuntime::ClassDescriptorSP descriptor(runtime->GetClassDescriptor(*valobj_sp.get()));
|
||||
|
||||
if (!descriptor.get() || !descriptor->IsValid())
|
||||
return nullptr;
|
||||
|
||||
const char* class_name = descriptor->GetClassName().GetCString();
|
||||
|
||||
if (!class_name || !*class_name)
|
||||
return nullptr;
|
||||
|
||||
if (!strcmp(class_name,"NSError"))
|
||||
return (new NSErrorSyntheticFrontEnd(valobj_sp));
|
||||
else if (!strcmp(class_name,"__NSCFError"))
|
||||
return (new NSErrorSyntheticFrontEnd(valobj_sp));
|
||||
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,219 @@
|
|||
//===-- NSException.cpp ----------------------------------------------*- C++ -*-===//
|
||||
//
|
||||
// The LLVM Compiler Infrastructure
|
||||
//
|
||||
// This file is distributed under the University of Illinois Open Source
|
||||
// License. See LICENSE.TXT for details.
|
||||
//
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
#include "Cocoa.h"
|
||||
|
||||
#include "lldb/Core/DataBufferHeap.h"
|
||||
#include "lldb/Core/Error.h"
|
||||
#include "lldb/Core/Stream.h"
|
||||
#include "lldb/Core/ValueObject.h"
|
||||
#include "lldb/Core/ValueObjectConstResult.h"
|
||||
#include "lldb/DataFormatters/FormattersHelpers.h"
|
||||
#include "lldb/Host/Endian.h"
|
||||
#include "lldb/Symbol/ClangASTContext.h"
|
||||
#include "lldb/Target/ObjCLanguageRuntime.h"
|
||||
#include "lldb/Target/Target.h"
|
||||
|
||||
#include "lldb/Utility/ProcessStructReader.h"
|
||||
|
||||
#include "clang/AST/DeclCXX.h"
|
||||
|
||||
#include "Plugins/Language/ObjC/NSString.h"
|
||||
|
||||
using namespace lldb;
|
||||
using namespace lldb_private;
|
||||
using namespace lldb_private::formatters;
|
||||
|
||||
bool
|
||||
lldb_private::formatters::NSException_SummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& options)
|
||||
{
|
||||
ProcessSP process_sp(valobj.GetProcessSP());
|
||||
if (!process_sp)
|
||||
return false;
|
||||
|
||||
lldb::addr_t ptr_value = LLDB_INVALID_ADDRESS;
|
||||
|
||||
CompilerType valobj_type(valobj.GetCompilerType());
|
||||
Flags type_flags(valobj_type.GetTypeInfo());
|
||||
if (type_flags.AllClear(eTypeHasValue))
|
||||
{
|
||||
if (valobj.IsBaseClass() && valobj.GetParent())
|
||||
ptr_value = valobj.GetParent()->GetValueAsUnsigned(LLDB_INVALID_ADDRESS);
|
||||
}
|
||||
else
|
||||
ptr_value = valobj.GetValueAsUnsigned(LLDB_INVALID_ADDRESS);
|
||||
|
||||
if (ptr_value == LLDB_INVALID_ADDRESS)
|
||||
return false;
|
||||
size_t ptr_size = process_sp->GetAddressByteSize();
|
||||
lldb::addr_t name_location = ptr_value + 1 * ptr_size;
|
||||
lldb::addr_t reason_location = ptr_value + 2 * ptr_size;
|
||||
|
||||
Error error;
|
||||
lldb::addr_t name = process_sp->ReadPointerFromMemory(name_location, error);
|
||||
if (error.Fail() || name == LLDB_INVALID_ADDRESS)
|
||||
return false;
|
||||
|
||||
lldb::addr_t reason = process_sp->ReadPointerFromMemory(reason_location, error);
|
||||
if (error.Fail() || reason == LLDB_INVALID_ADDRESS)
|
||||
return false;
|
||||
|
||||
InferiorSizedWord name_isw(name, *process_sp);
|
||||
InferiorSizedWord reason_isw(reason, *process_sp);
|
||||
|
||||
CompilerType voidstar = process_sp->GetTarget().GetScratchClangASTContext()->GetBasicType(lldb::eBasicTypeVoid).GetPointerType();
|
||||
|
||||
ValueObjectSP name_sp = ValueObject::CreateValueObjectFromData("name_str", name_isw.GetAsData(process_sp->GetByteOrder()), valobj.GetExecutionContextRef(), voidstar);
|
||||
ValueObjectSP reason_sp = ValueObject::CreateValueObjectFromData("reason_str", reason_isw.GetAsData(process_sp->GetByteOrder()), valobj.GetExecutionContextRef(), voidstar);
|
||||
|
||||
if (!name_sp || !reason_sp)
|
||||
return false;
|
||||
|
||||
StreamString name_str_summary;
|
||||
StreamString reason_str_summary;
|
||||
if (NSStringSummaryProvider(*name_sp, name_str_summary, options) &&
|
||||
NSStringSummaryProvider(*reason_sp, reason_str_summary, options) &&
|
||||
name_str_summary.Empty() == false &&
|
||||
reason_str_summary.Empty() == false)
|
||||
{
|
||||
stream.Printf("name: %s - reason: %s", name_str_summary.GetData(), reason_str_summary.GetData());
|
||||
return true;
|
||||
}
|
||||
else
|
||||
return false;
|
||||
}
|
||||
|
||||
class NSExceptionSyntheticFrontEnd : public SyntheticChildrenFrontEnd
|
||||
{
|
||||
public:
|
||||
NSExceptionSyntheticFrontEnd (lldb::ValueObjectSP valobj_sp) :
|
||||
SyntheticChildrenFrontEnd(*valobj_sp)
|
||||
{}
|
||||
|
||||
virtual size_t
|
||||
CalculateNumChildren ()
|
||||
{
|
||||
if (m_child_ptr)
|
||||
return 1;
|
||||
if (m_child_sp)
|
||||
return 1;
|
||||
return 0;
|
||||
}
|
||||
|
||||
virtual lldb::ValueObjectSP
|
||||
GetChildAtIndex (size_t idx)
|
||||
{
|
||||
if (idx != 0)
|
||||
return lldb::ValueObjectSP();
|
||||
|
||||
if (m_child_ptr)
|
||||
return m_child_ptr->GetSP();
|
||||
return m_child_sp;
|
||||
}
|
||||
|
||||
virtual bool
|
||||
Update()
|
||||
{
|
||||
m_child_ptr = nullptr;
|
||||
m_child_sp.reset();
|
||||
|
||||
ProcessSP process_sp(m_backend.GetProcessSP());
|
||||
if (!process_sp)
|
||||
return false;
|
||||
|
||||
lldb::addr_t userinfo_location = LLDB_INVALID_ADDRESS;
|
||||
|
||||
CompilerType valobj_type(m_backend.GetCompilerType());
|
||||
Flags type_flags(valobj_type.GetTypeInfo());
|
||||
if (type_flags.AllClear(eTypeHasValue))
|
||||
{
|
||||
if (m_backend.IsBaseClass() && m_backend.GetParent())
|
||||
userinfo_location = m_backend.GetParent()->GetValueAsUnsigned(LLDB_INVALID_ADDRESS);
|
||||
}
|
||||
else
|
||||
userinfo_location = m_backend.GetValueAsUnsigned(LLDB_INVALID_ADDRESS);
|
||||
|
||||
if (userinfo_location == LLDB_INVALID_ADDRESS)
|
||||
return false;
|
||||
|
||||
size_t ptr_size = process_sp->GetAddressByteSize();
|
||||
|
||||
userinfo_location += 3 * ptr_size;
|
||||
Error error;
|
||||
lldb::addr_t userinfo = process_sp->ReadPointerFromMemory(userinfo_location, error);
|
||||
if (userinfo == LLDB_INVALID_ADDRESS || error.Fail())
|
||||
return false;
|
||||
InferiorSizedWord isw(userinfo,*process_sp);
|
||||
m_child_sp = ValueObject::CreateValueObjectFromData("userInfo",
|
||||
isw.GetAsData(process_sp->GetByteOrder()),
|
||||
m_backend.GetExecutionContextRef(),
|
||||
process_sp->GetTarget().GetScratchClangASTContext()->GetBasicType(lldb::eBasicTypeObjCID));
|
||||
return false;
|
||||
}
|
||||
|
||||
virtual bool
|
||||
MightHaveChildren ()
|
||||
{
|
||||
return true;
|
||||
}
|
||||
|
||||
virtual size_t
|
||||
GetIndexOfChildWithName (const ConstString &name)
|
||||
{
|
||||
static ConstString g___userInfo("userInfo");
|
||||
if (name == g___userInfo)
|
||||
return 0;
|
||||
return UINT32_MAX;
|
||||
}
|
||||
|
||||
virtual
|
||||
~NSExceptionSyntheticFrontEnd ()
|
||||
{
|
||||
// no need to delete m_child_ptr - it's kept alive by the cluster manager on our behalf
|
||||
}
|
||||
|
||||
private:
|
||||
// the child here can be "real" (i.e. an actual child of the root) or synthetized from raw memory
|
||||
// if the former, I need to store a plain pointer to it - or else a loop of references will cause this entire hierarchy of values to leak
|
||||
// if the latter, then I need to store a SharedPointer to it - so that it only goes away when everyone else in the cluster goes away
|
||||
// oh joy!
|
||||
ValueObject* m_child_ptr;
|
||||
ValueObjectSP m_child_sp;
|
||||
};
|
||||
|
||||
SyntheticChildrenFrontEnd*
|
||||
lldb_private::formatters::NSExceptionSyntheticFrontEndCreator (CXXSyntheticChildren*, lldb::ValueObjectSP valobj_sp)
|
||||
{
|
||||
lldb::ProcessSP process_sp (valobj_sp->GetProcessSP());
|
||||
if (!process_sp)
|
||||
return nullptr;
|
||||
ObjCLanguageRuntime *runtime = (ObjCLanguageRuntime*)process_sp->GetLanguageRuntime(lldb::eLanguageTypeObjC);
|
||||
if (!runtime)
|
||||
return nullptr;
|
||||
|
||||
ObjCLanguageRuntime::ClassDescriptorSP descriptor(runtime->GetClassDescriptor(*valobj_sp.get()));
|
||||
|
||||
if (!descriptor.get() || !descriptor->IsValid())
|
||||
return nullptr;
|
||||
|
||||
const char* class_name = descriptor->GetClassName().GetCString();
|
||||
|
||||
if (!class_name || !*class_name)
|
||||
return nullptr;
|
||||
|
||||
if (!strcmp(class_name,"NSException"))
|
||||
return (new NSExceptionSyntheticFrontEnd(valobj_sp));
|
||||
else if (!strcmp(class_name,"NSCFException"))
|
||||
return (new NSExceptionSyntheticFrontEnd(valobj_sp));
|
||||
else if (!strcmp(class_name,"__NSCFException"))
|
||||
return (new NSExceptionSyntheticFrontEnd(valobj_sp));
|
||||
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
|
|
@ -477,6 +477,9 @@ LoadObjCFormatters(TypeCategoryImplSP objc_category_sp)
|
|||
AddCXXSummary(objc_category_sp, lldb_private::formatters::NSSetSummaryProvider<false>, "__NSOrderedSetI summary", ConstString("__NSOrderedSetI"), appkit_flags);
|
||||
AddCXXSummary(objc_category_sp, lldb_private::formatters::NSSetSummaryProvider<false>, "__NSOrderedSetM summary", ConstString("__NSOrderedSetM"), appkit_flags);
|
||||
|
||||
AddCXXSummary(objc_category_sp, lldb_private::formatters::NSError_SummaryProvider, "NSError summary provider", ConstString("NSError"), appkit_flags);
|
||||
AddCXXSummary(objc_category_sp, lldb_private::formatters::NSException_SummaryProvider, "NSException summary provider", ConstString("NSException"), appkit_flags);
|
||||
|
||||
// AddSummary(appkit_category_sp, "${var.key%@} -> ${var.value%@}", ConstString("$_lldb_typegen_nspair"), appkit_flags);
|
||||
|
||||
appkit_flags.SetDontShowChildren(true);
|
||||
|
|
@ -498,6 +501,9 @@ LoadObjCFormatters(TypeCategoryImplSP objc_category_sp)
|
|||
AddCXXSynthetic(objc_category_sp, lldb_private::formatters::NSDictionarySyntheticFrontEndCreator, "NSDictionary synthetic children", ConstString("CFDictionaryRef"), ScriptedSyntheticChildren::Flags());
|
||||
AddCXXSynthetic(objc_category_sp, lldb_private::formatters::NSDictionarySyntheticFrontEndCreator, "NSDictionary synthetic children", ConstString("CFMutableDictionaryRef"), ScriptedSyntheticChildren::Flags());
|
||||
|
||||
AddCXXSynthetic(objc_category_sp, lldb_private::formatters::NSErrorSyntheticFrontEndCreator, "NSError synthetic children", ConstString("NSError"), ScriptedSyntheticChildren::Flags());
|
||||
AddCXXSynthetic(objc_category_sp, lldb_private::formatters::NSExceptionSyntheticFrontEndCreator, "NSException synthetic children", ConstString("NSException"), ScriptedSyntheticChildren::Flags());
|
||||
|
||||
AddCXXSynthetic(objc_category_sp, lldb_private::formatters::NSSetSyntheticFrontEndCreator, "NSSet synthetic children", ConstString("NSSet"), ScriptedSyntheticChildren::Flags());
|
||||
AddCXXSynthetic(objc_category_sp, lldb_private::formatters::NSSetSyntheticFrontEndCreator, "__NSSetI synthetic children", ConstString("__NSSetI"), ScriptedSyntheticChildren::Flags());
|
||||
AddCXXSynthetic(objc_category_sp, lldb_private::formatters::NSSetSyntheticFrontEndCreator, "__NSSetM synthetic children", ConstString("__NSSetM"), ScriptedSyntheticChildren::Flags());
|
||||
|
|
|
|||
Loading…
Reference in New Issue