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validation: Disallow instantiating abstract classes

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This commit is contained in:
James Westman 2022-04-28 23:07:32 -05:00
parent f78478bea1
commit 99e428d93c
17 changed files with 35 additions and 13 deletions
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8
blueprintcompiler/language/gobject_object.py
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@ -61,6 +61,14 @@ class Object(AstNode):
if self.tokens["class_name"] and not self.tokens["ignore_gir"] and self.gir_ns is not None:
self.root.gir.validate_class(self.tokens["class_name"], self.tokens["namespace"])
@validate("namespace", "class_name")
def not_abstract(self):
if self.gir_class is not None and self.gir_class.abstract:
raise CompileError(
f"{self.gir_class.full_name} can't be instantiated because it's abstract",
hints=[f"did you mean to use a subclass of {self.gir_class.full_name}?"]
)
@property
def gir_ns(self):
if not self.tokens["ignore_gir"]: