def _scan_type_forward_decl(type_, has_seen):
'''Scan type for forward declarations.'''
if type_.is_user_defined_type():
tree = type_.get_declaration()
if tree.is_user_defined_type_decl() and tree not in has_seen:
tree.annotate(annotations.FORWARD_DECLARATION, True)
return
stripped_type = strip_type(type_)
if stripped_type:
_scan_type_forward_decl(stripped_type, has_seen)
def _scan_tree(tree, root):
'''Scan this tree for __va_list_tag.'''
if not tree.get_annotation(annotations.REQUIRED, False):
return
type_ = tree.type
while True:
if tree.name == '__va_list_tag':
root.annotate(annotations.USE_VA_LIST_TAG, tree)
raise StopIteration() # Return from deeply recursion
while True:
type_ = strip_type(type_)
if not type_:
return
if type_.is_user_defined_type():
tree = type_.get_declaration()
break
def _scan_tree(tree, root):
'''Scan this tree for __va_list_tag.'''
if not tree.get_annotation(annotations.REQUIRED, False):
return
type_ = tree.type
while True:
if tree.name == '__va_list_tag':
root.annotate(annotations.USE_VA_LIST_TAG, tree)
raise StopIteration() # Return from deeply recursion
while True:
type_ = strip_type(type_)
if not type_:
return
if type_.is_user_defined_type():
tree = type_.get_declaration()
break
def _scan_type_definition(type_, todo, visited):
"""Scan type definition."""
if type_.is_user_defined_type():
tree = type_.get_declaration()
if not tree.is_user_defined_type_decl():
return
if tree in visited:
return
todo.append(tree)
visited.add(tree)
for field in tree.get_field_declaration():
_scan_type_definition(field.type, todo, visited)
return
stripped_type = strip_type(type_)
if stripped_type:
_scan_type_definition(stripped_type, todo, visited)
def _scan_type_definition(type_, todo, visited):
'''Scan type definition.'''
if type_.is_user_defined_type():
tree = type_.get_declaration()
if not tree.is_user_defined_type_decl():
return
if tree in visited:
return
todo.append(tree)
visited.add(tree)
for field in tree.get_field_declaration():
_scan_type_definition(field.type, todo, visited)
return
stripped_type = strip_type(type_)
if stripped_type:
_scan_type_definition(stripped_type, todo, visited)
