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Add validation for flag values

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James Westman 2022-03-02 14:06:57 -06:00
parent bebe784d1d
commit 8ea06e8a78
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4 changed files with 25 additions and 0 deletions
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16
blueprintcompiler/language/values.py
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@ -109,9 +109,25 @@ class LiteralValue(Value):
class Flag(AstNode):
grammar = UseIdent("value")
@validate()
def validate_for_type(self):
type = self.parent.parent.value_type
if isinstance(type, gir.Bitfield) and self.tokens["value"] not in type.members:
raise CompileError(
f"{self.tokens['value']} is not a member of {type.full_name}",
did_you_mean=(self.tokens['value'], type.members.keys()),
)
class FlagsValue(Value):
grammar = [Flag, "|", Delimited(Flag, "|")]
@validate()
def parent_is_bitfield(self):
type = self.parent.value_type
if not isinstance(type, gir.Bitfield):
raise CompileError(f"{type.full_name} is not a bitfield type")
def emit_xml(self, xml: XmlEmitter):
xml.put_text("|".join([flag.tokens["value"] for flag in self.children[Flag]]))