<rdar://problem/11275622>

Added new API to lldb::SBTypeMember for bitfields:

    bool SBTypeMember::IsBitfield();
    uint32_t SBTypeMember::GetBitfieldSizeInBits();

Also added new properties for easy access. Now SBTypeMember objects in python have a "fields" property for all type fields, "bases" for all direct bases, "vbases" for all virtual base classes and "members" for a combo of all three organized by bit offset. They all return a python list() of SBTypeMember objects. Usage:
(lldb) script
>>> t = lldb.target.FindFirstType("my_type")
>>> for field in t.fields:
...     print field
>>> for vbase in t.vbases:
...     print vbase
>>> for base in t.bases:
...     print base
>>> for member in t.members:
...     print member

Also added new "is_bitfield" property to the SBTypeMember objects that will return the result of SBTypeMember::IsBitfield(), and "bitfield_bit_size" which will return the result of SBTypeMember::GetBitfieldSizeInBits();

I also fixed "SBTypeMember::GetOffsetInBytes()" to return the correct byte offset.

llvm-svn: 161091

1 files changed, 86 insertions, 1 deletions

diff --git a/lldb/scripts/Python/interface/SBType.i b/lldb/scripts/Python/interface/SBType.i
index c77788e678f..e2904f85a23 100644
--- a/lldb/scripts/Python/interface/SBType.i
+++ b/lldb/scripts/Python/interface/SBType.i
@@ -37,6 +37,12 @@ public:
     uint64_t
     GetOffsetInBits();
     
+    bool
+    IsBitfield();
+    
+    uint32_t
+    GetBitfieldSizeInBits();
+
     %pythoncode %{
         __swig_getmethods__["name"] = GetName
         if _newclass: name = property(GetName, None, doc='''A read only property that returns the name for this member as a string.''')
@@ -49,7 +55,14 @@ public:
         
         __swig_getmethods__["bit_offset"] = GetOffsetInBits
         if _newclass: bit_offset = property(GetOffsetInBits, None, doc='''A read only property that returns offset in bits for this member as an integer.''')
-    %}    
+
+        __swig_getmethods__["is_bitfield"] = IsBitfield
+        if _newclass: is_bitfield = property(IsBitfield, None, doc='''A read only property that returns true if this member is a bitfield.''')
+
+        __swig_getmethods__["bitfield_bit_size"] = GetBitfieldSizeInBits
+        if _newclass: bitfield_bit_size = property(GetBitfieldSizeInBits, None, doc='''A read only property that returns the bitfield size in bits for this member as an integer, or zero if this member is not a bitfield.''')
+
+    %}
 
 protected:
     std::auto_ptr<lldb_private::TypeMemberImpl> m_opaque_ap;
@@ -245,6 +258,78 @@ public:
         
         __swig_getmethods__["is_complete"] = IsTypeComplete
         if _newclass: is_complete = property(IsTypeComplete, None, doc='''A read only property that returns a boolean value that indicates if this type is a complete type (True) or a forward declaration (False).''')
+
+        def get_bases_array(self):
+            '''An accessor function that returns a list() that contains all direct base classes in a lldb.SBType object.'''
+            bases = []
+            for idx in range(self.GetNumberOfDirectBaseClasses()):
+                bases.append(self.GetDirectBaseClassAtIndex(idx))
+            return bases
+
+        def get_vbases_array(self):
+            '''An accessor function that returns a list() that contains all fields in a lldb.SBType object.'''
+            vbases = []
+            for idx in range(self.GetNumberOfVirtualBaseClasses()):
+                vbases.append(self.GetVirtualBaseClassAtIndex(idx))
+            return vbases
+
+        def get_fields_array(self):
+            '''An accessor function that returns a list() that contains all fields in a lldb.SBType object.'''
+            fields = []
+            for idx in range(self.GetNumberOfFields()):
+                fields.append(self.GetFieldAtIndex(idx))
+            return fields
+
+        def get_members_array(self):
+            '''An accessor function that returns a list() that contains all members (base classes and fields) in a lldb.SBType object in ascending bit offset order.'''
+            members = []
+            bases = self.get_bases_array()
+            fields = self.get_fields_array()
+            vbases = self.get_vbases_array()
+            for base in bases:
+                bit_offset = base.bit_offset
+                added = False
+                for idx, member in enumerate(members):
+                    if member.bit_offset > bit_offset:
+                        members.insert(idx, base)
+                        added = True
+                        break
+                if not added:
+                    members.append(base)
+            for vbase in vbases:
+                bit_offset = vbase.bit_offset
+                added = False
+                for idx, member in enumerate(members):
+                    if member.bit_offset > bit_offset:
+                        members.insert(idx, vbase)
+                        added = True
+                        break
+                if not added:
+                    members.append(vbase)
+            for field in fields:
+                bit_offset = field.bit_offset
+                added = False
+                for idx, member in enumerate(members):
+                    if member.bit_offset > bit_offset:
+                        members.insert(idx, field)
+                        added = True
+                        break
+                if not added:
+                    members.append(field)
+            return members
+
+        __swig_getmethods__["bases"] = get_bases_array
+        if _newclass: bases = property(get_bases_array, None, doc='''A read only property that returns a list() of lldb.SBTypeMember objects that represent all of the direct base classes for this type.''')
+        
+        __swig_getmethods__["vbases"] = get_vbases_array
+        if _newclass: vbases = property(get_vbases_array, None, doc='''A read only property that returns a list() of lldb.SBTypeMember objects that represent all of the virtual base classes for this type.''')
+        
+        __swig_getmethods__["fields"] = get_fields_array
+        if _newclass: fields = property(get_fields_array, None, doc='''A read only property that returns a list() of lldb.SBTypeMember objects that represent all of the fields for this type.''')
+
+        __swig_getmethods__["members"] = get_members_array
+        if _newclass: members = property(get_members_array, None, doc='''A read only property that returns a list() of all lldb.SBTypeMember objects that represent all of the base classes, virtual base classes and fields for this type in ascending bit offset order.''')
+
         %}
 
 };