gh-90110: Update the c-analyzer Tool (gh-96058)

Tools/c-analyzer/c_parser/info.py

@@ -385,6 +385,9 @@ def get_parsed_vartype(decl):
     elif isinstance(decl, Variable):
         storage = decl.storage
         typequal, typespec, abstract = decl.vartype
+    elif isinstance(decl, Signature):
+        storage = None
+        typequal, typespec, abstract = decl.returntype
     elif isinstance(decl, Function):
         storage = decl.storage
         typequal, typespec, abstract = decl.signature.returntype
@@ -1012,6 +1015,18 @@ def __str__(self):
     def returns(self):
         return self.returntype
 
+    @property
+    def typequal(self):
+        return self.returntype.typequal
+
+    @property
+    def typespec(self):
+        return self.returntype.typespec
+
+    @property
+    def abstract(self):
+        return self.returntype.abstract
+
 
 class Function(Declaration):
     kind = KIND.FUNCTION
@@ -1106,9 +1121,16 @@ class TypeDef(TypeDeclaration):
     def _resolve_data(cls, data):
         if not data:
             raise NotImplementedError(data)
-        vartype = dict(data)
-        del vartype['storage']
-        return VarType(**vartype), None
+        kwargs = dict(data)
+        del kwargs['storage']
+        if 'returntype' in kwargs:
+            vartype = kwargs['returntype']
+            del vartype['storage']
+            kwargs['returntype'] = VarType(**vartype)
+            datacls = Signature
+        else:
+            datacls = VarType
+        return datacls(**kwargs), None
 
     @classmethod
     def _raw_data(self, data):