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Convert serde_test's unexpected from macro to function

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This commit is contained in:
David Tolnay
2023-05-04 16:30:10 -07:00
parent 48193fbccd
commit 1b8290b318
1 changed files with 12 additions and 16 deletions
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serde_test/src/de.rs
+12 -16
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@@ -32,13 +32,11 @@ macro_rules! assert_next_token {
}; };
} }
macro_rules! unexpected { fn unexpected(token: Token) -> Error {
($token:expr) => { de::Error::custom(format!(
Err(de::Error::custom(format!( "deserialization did not expect this token: {}",
"deserialization did not expect this token: {}", token,
$token ))
)))
};
} }
macro_rules! end_of_tokens { macro_rules! end_of_tokens {
@@ -211,7 +209,7 @@ impl<'de, 'a> de::Deserializer<'de> for &'a mut Deserializer<'de> {
self.next_token(); self.next_token();
visitor.visit_u64(variant) visitor.visit_u64(variant)
} }
(variant, Token::Unit) => unexpected!(variant), (variant, Token::Unit) => Err(unexpected(variant)),
(variant, _) => { (variant, _) => {
visitor.visit_map(EnumMapVisitor::new(self, variant, EnumFormat::Any)) visitor.visit_map(EnumMapVisitor::new(self, variant, EnumFormat::Any))
} }
@@ -239,9 +237,7 @@ impl<'de, 'a> de::Deserializer<'de> for &'a mut Deserializer<'de> {
| Token::MapEnd | Token::MapEnd
| Token::StructEnd | Token::StructEnd
| Token::TupleVariantEnd | Token::TupleVariantEnd
| Token::StructVariantEnd => { | Token::StructVariantEnd => Err(unexpected(token)),
unexpected!(token)
}
} }
} }
@@ -538,7 +534,7 @@ impl<'de, 'a> VariantAccess<'de> for DeserializerEnumVisitor<'a, 'de> {
self.de self.de
.visit_seq(Some(len), Token::TupleVariantEnd, visitor) .visit_seq(Some(len), Token::TupleVariantEnd, visitor)
} else { } else {
unexpected!(token) Err(unexpected(token))
} }
} }
Token::Seq { Token::Seq {
@@ -549,7 +545,7 @@ impl<'de, 'a> VariantAccess<'de> for DeserializerEnumVisitor<'a, 'de> {
if len == enum_len { if len == enum_len {
self.de.visit_seq(Some(len), Token::SeqEnd, visitor) self.de.visit_seq(Some(len), Token::SeqEnd, visitor)
} else { } else {
unexpected!(token) Err(unexpected(token))
} }
} }
_ => de::Deserializer::deserialize_any(self.de, visitor), _ => de::Deserializer::deserialize_any(self.de, visitor),
@@ -572,7 +568,7 @@ impl<'de, 'a> VariantAccess<'de> for DeserializerEnumVisitor<'a, 'de> {
self.de self.de
.visit_map(Some(fields.len()), Token::StructVariantEnd, visitor) .visit_map(Some(fields.len()), Token::StructVariantEnd, visitor)
} else { } else {
unexpected!(token) Err(unexpected(token))
} }
} }
Token::Map { Token::Map {
@@ -584,7 +580,7 @@ impl<'de, 'a> VariantAccess<'de> for DeserializerEnumVisitor<'a, 'de> {
self.de self.de
.visit_map(Some(fields.len()), Token::MapEnd, visitor) .visit_map(Some(fields.len()), Token::MapEnd, visitor)
} else { } else {
unexpected!(token) Err(unexpected(token))
} }
} }
_ => de::Deserializer::deserialize_any(self.de, visitor), _ => de::Deserializer::deserialize_any(self.de, visitor),
@@ -629,7 +625,7 @@ impl<'de, 'a> MapAccess<'de> for EnumMapVisitor<'a, 'de> {
.deserialize(BytesDeserializer { value: variant }) .deserialize(BytesDeserializer { value: variant })
.map(Some), .map(Some),
Some(Token::U32(variant)) => seed.deserialize(variant.into_deserializer()).map(Some), Some(Token::U32(variant)) => seed.deserialize(variant.into_deserializer()).map(Some),
Some(other) => unexpected!(other), Some(other) => Err(unexpected(other)),
None => Ok(None), None => Ok(None),
} }
} }