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tests: Test custom types in lookup expressions

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James Westman 2022-04-30 16:13:40 -05:00
parent c7c32cbb4a
commit 52f7d790bd
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10 changed files with 82 additions and 14 deletions
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14
blueprintcompiler/language/types.py
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@ -20,6 +20,7 @@
import typing as T
from .common import *
from ..gir import Class, Interface
class TypeName(AstNode):
@ -80,16 +81,19 @@ class TypeName(AstNode):
class ClassName(TypeName):
@validate("class_name")
def gir_type_is_class(self):
if self.gir_type is not None and not isinstance(self.gir_type, gir.Class):
raise CompileError(f"{self.gir_type.full_name} is not a class")
@validate("namespace", "class_name")
def gir_class_exists(self):
if self.gir_type is not None and not isinstance(self.gir_type, Class):
if isinstance(self.gir_type, Interface):
raise CompileError(f"{self.gir_type.full_name} is an interface, not a class")
else:
raise CompileError(f"{self.gir_type.full_name} is not a class")
class ConcreteClassName(ClassName):
@validate("namespace", "class_name")
def not_abstract(self):
if self.gir_type is not None and self.gir_type.abstract:
if isinstance(self.gir_type, Class) and self.gir_type.abstract:
raise CompileError(
f"{self.gir_type.full_name} can't be instantiated because it's abstract",
hints=[f"did you mean to use a subclass of {self.gir_type.full_name}?"]