condformats_serialization_generate.py: support for aarch64

LLVM/Clang on AArch64 will report that most AST nodes are not
definition, which is not true. The following modifies script to
check definition based on location information directly (file, line,
 and column).

Signed-off-by: David Abdurachmanov <David.Abdurachmanov@cern.ch>

CondFormats/Serialization/python/condformats_serialization_generate.py

@@ -67,6 +67,12 @@
     'ROOT', 'edm', 'ora', 'coral', 'CLHEP', 'Geom', 'HepGeom',
 ])
 
+def is_definition_by_loc(node):
+    if node.get_definition() is None:
+        return False
+    if node.location is None or node.get_definition().location is None:
+        return False
+    return node.location == node.get_definition().location
 
 def is_serializable_class(node):
     for child in node.get_children():
@@ -87,7 +93,7 @@ def is_serializable_class(node):
 
 def is_serializable_class_manual(node):
     for child in node.get_children():
-        if child.spelling == 'cond_serialization_manual' and child.kind == clang.cindex.CursorKind.CXX_METHOD and not child.is_definition():
+        if child.spelling == 'cond_serialization_manual' and child.kind == clang.cindex.CursorKind.CXX_METHOD and not is_definition_by_loc(child):
             return True
 
     return False
@@ -158,7 +164,7 @@ def get_serializable_classes_members(node, all_template_types=None, namespace=''
             results.update(get_serializable_classes_members(child, all_template_types, namespace + child.spelling + '::', only_from_path))
             continue
 
-        if child.kind in [clang.cindex.CursorKind.CLASS_DECL, clang.cindex.CursorKind.STRUCT_DECL, clang.cindex.CursorKind.CLASS_TEMPLATE] and child.is_definition():
+        if child.kind in [clang.cindex.CursorKind.CLASS_DECL, clang.cindex.CursorKind.STRUCT_DECL, clang.cindex.CursorKind.CLASS_TEMPLATE] and is_definition_by_loc(child):
             logging.debug('Found struct/class/template definition: %s', child.spelling if child.spelling else '<anonymous>')
 
             if only_from_path is not None \
@@ -222,7 +228,7 @@ def get_serializable_classes_members(node, all_template_types=None, namespace=''
                     base_objects.append(base_object)
 
                 # Member variables
-                elif member.kind == clang.cindex.CursorKind.FIELD_DECL and member.is_definition():
+                elif member.kind == clang.cindex.CursorKind.FIELD_DECL and is_definition_by_loc(member):
                     # While clang 3.3 does not ignore unrecognized attributes
                     # (see http://llvm.org/viewvc/llvm-project?revision=165082&view=revision )
                     # for some reason they do not appear in the bindings yet