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| -rw-r--r-- | clang/utils/ClangDataFormat.py | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/clang/utils/ClangDataFormat.py b/clang/utils/ClangDataFormat.py deleted file mode 100644 index 28c32a1..0000000 --- a/clang/utils/ClangDataFormat.py +++ /dev/null @@ -1,170 +0,0 @@ -"""lldb data formatters for clang classes. - -Usage --- -import this file in your ~/.lldbinit by adding this line: - -command script import /path/to/ClangDataFormat.py - -After that, instead of getting this: - -(lldb) p Tok.Loc -(clang::SourceLocation) $0 = { - (unsigned int) ID = 123582 -} - -you'll get: - -(lldb) p Tok.Loc -(clang::SourceLocation) $4 = "/usr/include/i386/_types.h:37:1" (offset: 123582, file, local) -""" - -import lldb - - -def __lldb_init_module(debugger, internal_dict): - debugger.HandleCommand( - "type summary add -F ClangDataFormat.SourceLocation_summary clang::SourceLocation" - ) - debugger.HandleCommand( - "type summary add -F ClangDataFormat.QualType_summary clang::QualType" - ) - - -def SourceLocation_summary(srcloc, internal_dict): - return SourceLocation(srcloc).summary() - - -def QualType_summary(qualty, internal_dict): - return QualType(qualty).summary() - - -class SourceLocation(object): - def __init__(self, srcloc): - self.srcloc = srcloc - self.ID = srcloc.GetChildAtIndex(0).GetValueAsUnsigned() - self.frame = srcloc.GetFrame() - - def offset(self): - return getValueFromExpression(self.srcloc, ".getOffset()").GetValueAsUnsigned() - - def isInvalid(self): - return self.ID == 0 - - def isMacro(self): - return getValueFromExpression(self.srcloc, ".isMacroID()").GetValueAsUnsigned() - - def isLocal(self, srcmgr_path): - return self.frame.EvaluateExpression( - "(%s).isLocalSourceLocation(%s)" - % (srcmgr_path, getExpressionPath(self.srcloc)) - ).GetValueAsUnsigned() - - def getPrint(self, srcmgr_path): - print_str = getValueFromExpression( - self.srcloc, ".printToString(%s)" % srcmgr_path - ) - return print_str.GetSummary() - - def summary(self): - if self.isInvalid(): - return "<invalid loc>" - srcmgr_path = findObjectExpressionPath("clang::SourceManager", self.frame) - if srcmgr_path: - return "%s (offset: %d, %s, %s)" % ( - self.getPrint(srcmgr_path), - self.offset(), - "macro" if self.isMacro() else "file", - "local" if self.isLocal(srcmgr_path) else "loaded", - ) - return "(offset: %d, %s)" % ( - self.offset(), - "macro" if self.isMacro() else "file", - ) - - -class QualType(object): - def __init__(self, qualty): - self.qualty = qualty - - def getAsString(self): - std_str = getValueFromExpression(self.qualty, ".getAsString()") - return std_str.GetSummary() - - def summary(self): - desc = self.getAsString() - if desc == '"NULL TYPE"': - return "<NULL TYPE>" - return desc - - -# Key is a (function address, type name) tuple, value is the expression path for -# an object with such a type name from inside that function. -FramePathMapCache = {} - - -def findObjectExpressionPath(typename, frame): - func_addr = frame.GetFunction().GetStartAddress().GetFileAddress() - key = (func_addr, typename) - try: - return FramePathMapCache[key] - except KeyError: - # print "CACHE MISS" - path = None - obj = findObject(typename, frame) - if obj: - path = getExpressionPath(obj) - FramePathMapCache[key] = path - return path - - -def findObject(typename, frame): - def getTypename(value): - # FIXME: lldb should provide something like getBaseType - ty = value.GetType() - if ty.IsPointerType() or ty.IsReferenceType(): - return ty.GetPointeeType().GetName() - return ty.GetName() - - def searchForType(value, searched): - tyname = getTypename(value) - # print "SEARCH:", getExpressionPath(value), value.GetType().GetName() - if tyname == typename: - return value - ty = value.GetType() - if not ( - ty.IsPointerType() - or ty.IsReferenceType() - or - # FIXME: lldb should provide something like getCanonicalType - tyname.startswith("llvm::IntrusiveRefCntPtr<") - or tyname.startswith("llvm::OwningPtr<") - ): - return None - # FIXME: Hashing for SBTypes does not seem to work correctly, uses the typename instead, - # and not the canonical one unfortunately. - if tyname in searched: - return None - searched.add(tyname) - for i in range(value.GetNumChildren()): - child = value.GetChildAtIndex(i, 0, False) - found = searchForType(child, searched) - if found: - return found - - searched = set() - value_list = frame.GetVariables(True, True, True, True) - for val in value_list: - found = searchForType(val, searched) - if found: - return found if not found.TypeIsPointerType() else found.Dereference() - - -def getValueFromExpression(val, expr): - return val.GetFrame().EvaluateExpression(getExpressionPath(val) + expr) - - -def getExpressionPath(val): - stream = lldb.SBStream() - val.GetExpressionPath(stream) - return stream.GetData() |