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Improve expression type checking

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This commit is contained in:
James Westman 2023-03-12 15:35:05 -05:00
parent b636d9ed71
commit 98ba7d467a
11 changed files with 160 additions and 55 deletions
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14
blueprintcompiler/language/binding.py
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@ -20,7 +20,7 @@
from dataclasses import dataclass
from .common import *
from .expression import ExprChain, LookupOp, IdentExpr
from .expression import ExprChain, LookupOp, LiteralExpr
from .contexts import ValueTypeCtx
@ -37,10 +37,14 @@ class Binding(AstNode):
@property
def simple_binding(self) -> T.Optional["SimpleBinding"]:
if isinstance(self.expression.last, LookupOp):
if isinstance(self.expression.last.lhs, IdentExpr):
return SimpleBinding(
self.expression.last.lhs.ident, self.expression.last.property_name
)
if isinstance(self.expression.last.lhs, LiteralExpr):
from .values import IdentLiteral
if isinstance(self.expression.last.lhs.literal.value, IdentLiteral):
return SimpleBinding(
self.expression.last.lhs.literal.value.ident,
self.expression.last.property_name,
)
return None
@validate("bind")