From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 vendor/serde_json/src/value/de.rs | 1386 +++++++++++++++++++++++++++++++++++++
 1 file changed, 1386 insertions(+)
 create mode 100644 vendor/serde_json/src/value/de.rs

(limited to 'vendor/serde_json/src/value/de.rs')

diff --git a/vendor/serde_json/src/value/de.rs b/vendor/serde_json/src/value/de.rs
new file mode 100644
index 000000000..cc1d38565
--- /dev/null
+++ b/vendor/serde_json/src/value/de.rs
@@ -0,0 +1,1386 @@
+use crate::error::Error;
+use crate::map::Map;
+use crate::number::Number;
+use crate::value::Value;
+use alloc::borrow::{Cow, ToOwned};
+use alloc::string::String;
+#[cfg(feature = "raw_value")]
+use alloc::string::ToString;
+use alloc::vec::{self, Vec};
+use core::fmt;
+use core::slice;
+use core::str::FromStr;
+use serde::de::{
+    self, Deserialize, DeserializeSeed, EnumAccess, Expected, IntoDeserializer, MapAccess,
+    SeqAccess, Unexpected, VariantAccess, Visitor,
+};
+use serde::{forward_to_deserialize_any, serde_if_integer128};
+
+#[cfg(feature = "arbitrary_precision")]
+use crate::number::NumberFromString;
+
+impl<'de> Deserialize<'de> for Value {
+    #[inline]
+    fn deserialize<D>(deserializer: D) -> Result<Value, D::Error>
+    where
+        D: serde::Deserializer<'de>,
+    {
+        struct ValueVisitor;
+
+        impl<'de> Visitor<'de> for ValueVisitor {
+            type Value = Value;
+
+            fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+                formatter.write_str("any valid JSON value")
+            }
+
+            #[inline]
+            fn visit_bool<E>(self, value: bool) -> Result<Value, E> {
+                Ok(Value::Bool(value))
+            }
+
+            #[inline]
+            fn visit_i64<E>(self, value: i64) -> Result<Value, E> {
+                Ok(Value::Number(value.into()))
+            }
+
+            #[inline]
+            fn visit_u64<E>(self, value: u64) -> Result<Value, E> {
+                Ok(Value::Number(value.into()))
+            }
+
+            #[inline]
+            fn visit_f64<E>(self, value: f64) -> Result<Value, E> {
+                Ok(Number::from_f64(value).map_or(Value::Null, Value::Number))
+            }
+
+            #[cfg(any(feature = "std", feature = "alloc"))]
+            #[inline]
+            fn visit_str<E>(self, value: &str) -> Result<Value, E>
+            where
+                E: serde::de::Error,
+            {
+                self.visit_string(String::from(value))
+            }
+
+            #[cfg(any(feature = "std", feature = "alloc"))]
+            #[inline]
+            fn visit_string<E>(self, value: String) -> Result<Value, E> {
+                Ok(Value::String(value))
+            }
+
+            #[inline]
+            fn visit_none<E>(self) -> Result<Value, E> {
+                Ok(Value::Null)
+            }
+
+            #[inline]
+            fn visit_some<D>(self, deserializer: D) -> Result<Value, D::Error>
+            where
+                D: serde::Deserializer<'de>,
+            {
+                Deserialize::deserialize(deserializer)
+            }
+
+            #[inline]
+            fn visit_unit<E>(self) -> Result<Value, E> {
+                Ok(Value::Null)
+            }
+
+            #[inline]
+            fn visit_seq<V>(self, mut visitor: V) -> Result<Value, V::Error>
+            where
+                V: SeqAccess<'de>,
+            {
+                let mut vec = Vec::new();
+
+                while let Some(elem) = tri!(visitor.next_element()) {
+                    vec.push(elem);
+                }
+
+                Ok(Value::Array(vec))
+            }
+
+            #[cfg(any(feature = "std", feature = "alloc"))]
+            fn visit_map<V>(self, mut visitor: V) -> Result<Value, V::Error>
+            where
+                V: MapAccess<'de>,
+            {
+                match visitor.next_key_seed(KeyClassifier)? {
+                    #[cfg(feature = "arbitrary_precision")]
+                    Some(KeyClass::Number) => {
+                        let number: NumberFromString = visitor.next_value()?;
+                        Ok(Value::Number(number.value))
+                    }
+                    #[cfg(feature = "raw_value")]
+                    Some(KeyClass::RawValue) => {
+                        let value = visitor.next_value_seed(crate::raw::BoxedFromString)?;
+                        crate::from_str(value.get()).map_err(de::Error::custom)
+                    }
+                    Some(KeyClass::Map(first_key)) => {
+                        let mut values = Map::new();
+
+                        values.insert(first_key, tri!(visitor.next_value()));
+                        while let Some((key, value)) = tri!(visitor.next_entry()) {
+                            values.insert(key, value);
+                        }
+
+                        Ok(Value::Object(values))
+                    }
+                    None => Ok(Value::Object(Map::new())),
+                }
+            }
+        }
+
+        deserializer.deserialize_any(ValueVisitor)
+    }
+}
+
+impl FromStr for Value {
+    type Err = Error;
+    fn from_str(s: &str) -> Result<Value, Error> {
+        super::super::de::from_str(s)
+    }
+}
+
+macro_rules! deserialize_number {
+    ($method:ident) => {
+        #[cfg(not(feature = "arbitrary_precision"))]
+        fn $method<V>(self, visitor: V) -> Result<V::Value, Error>
+        where
+            V: Visitor<'de>,
+        {
+            match self {
+                Value::Number(n) => n.deserialize_any(visitor),
+                _ => Err(self.invalid_type(&visitor)),
+            }
+        }
+
+        #[cfg(feature = "arbitrary_precision")]
+        fn $method<V>(self, visitor: V) -> Result<V::Value, Error>
+        where
+            V: Visitor<'de>,
+        {
+            match self {
+                Value::Number(n) => n.$method(visitor),
+                _ => self.deserialize_any(visitor),
+            }
+        }
+    };
+}
+
+fn visit_array<'de, V>(array: Vec<Value>, visitor: V) -> Result<V::Value, Error>
+where
+    V: Visitor<'de>,
+{
+    let len = array.len();
+    let mut deserializer = SeqDeserializer::new(array);
+    let seq = tri!(visitor.visit_seq(&mut deserializer));
+    let remaining = deserializer.iter.len();
+    if remaining == 0 {
+        Ok(seq)
+    } else {
+        Err(serde::de::Error::invalid_length(
+            len,
+            &"fewer elements in array",
+        ))
+    }
+}
+
+fn visit_object<'de, V>(object: Map<String, Value>, visitor: V) -> Result<V::Value, Error>
+where
+    V: Visitor<'de>,
+{
+    let len = object.len();
+    let mut deserializer = MapDeserializer::new(object);
+    let map = tri!(visitor.visit_map(&mut deserializer));
+    let remaining = deserializer.iter.len();
+    if remaining == 0 {
+        Ok(map)
+    } else {
+        Err(serde::de::Error::invalid_length(
+            len,
+            &"fewer elements in map",
+        ))
+    }
+}
+
+impl<'de> serde::Deserializer<'de> for Value {
+    type Error = Error;
+
+    #[inline]
+    fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        match self {
+            Value::Null => visitor.visit_unit(),
+            Value::Bool(v) => visitor.visit_bool(v),
+            Value::Number(n) => n.deserialize_any(visitor),
+            #[cfg(any(feature = "std", feature = "alloc"))]
+            Value::String(v) => visitor.visit_string(v),
+            Value::Array(v) => visit_array(v, visitor),
+            Value::Object(v) => visit_object(v, visitor),
+        }
+    }
+
+    deserialize_number!(deserialize_i8);
+    deserialize_number!(deserialize_i16);
+    deserialize_number!(deserialize_i32);
+    deserialize_number!(deserialize_i64);
+    deserialize_number!(deserialize_u8);
+    deserialize_number!(deserialize_u16);
+    deserialize_number!(deserialize_u32);
+    deserialize_number!(deserialize_u64);
+    deserialize_number!(deserialize_f32);
+    deserialize_number!(deserialize_f64);
+
+    serde_if_integer128! {
+        deserialize_number!(deserialize_i128);
+        deserialize_number!(deserialize_u128);
+    }
+
+    #[inline]
+    fn deserialize_option<V>(self, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        match self {
+            Value::Null => visitor.visit_none(),
+            _ => visitor.visit_some(self),
+        }
+    }
+
+    #[inline]
+    fn deserialize_enum<V>(
+        self,
+        _name: &str,
+        _variants: &'static [&'static str],
+        visitor: V,
+    ) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        let (variant, value) = match self {
+            Value::Object(value) => {
+                let mut iter = value.into_iter();
+                let (variant, value) = match iter.next() {
+                    Some(v) => v,
+                    None => {
+                        return Err(serde::de::Error::invalid_value(
+                            Unexpected::Map,
+                            &"map with a single key",
+                        ));
+                    }
+                };
+                // enums are encoded in json as maps with a single key:value pair
+                if iter.next().is_some() {
+                    return Err(serde::de::Error::invalid_value(
+                        Unexpected::Map,
+                        &"map with a single key",
+                    ));
+                }
+                (variant, Some(value))
+            }
+            Value::String(variant) => (variant, None),
+            other => {
+                return Err(serde::de::Error::invalid_type(
+                    other.unexpected(),
+                    &"string or map",
+                ));
+            }
+        };
+
+        visitor.visit_enum(EnumDeserializer { variant, value })
+    }
+
+    #[inline]
+    fn deserialize_newtype_struct<V>(
+        self,
+        name: &'static str,
+        visitor: V,
+    ) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        #[cfg(feature = "raw_value")]
+        {
+            if name == crate::raw::TOKEN {
+                return visitor.visit_map(crate::raw::OwnedRawDeserializer {
+                    raw_value: Some(self.to_string()),
+                });
+            }
+        }
+
+        let _ = name;
+        visitor.visit_newtype_struct(self)
+    }
+
+    fn deserialize_bool<V>(self, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        match self {
+            Value::Bool(v) => visitor.visit_bool(v),
+            _ => Err(self.invalid_type(&visitor)),
+        }
+    }
+
+    fn deserialize_char<V>(self, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        self.deserialize_string(visitor)
+    }
+
+    fn deserialize_str<V>(self, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        self.deserialize_string(visitor)
+    }
+
+    fn deserialize_string<V>(self, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        match self {
+            #[cfg(any(feature = "std", feature = "alloc"))]
+            Value::String(v) => visitor.visit_string(v),
+            _ => Err(self.invalid_type(&visitor)),
+        }
+    }
+
+    fn deserialize_bytes<V>(self, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        self.deserialize_byte_buf(visitor)
+    }
+
+    fn deserialize_byte_buf<V>(self, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        match self {
+            #[cfg(any(feature = "std", feature = "alloc"))]
+            Value::String(v) => visitor.visit_string(v),
+            Value::Array(v) => visit_array(v, visitor),
+            _ => Err(self.invalid_type(&visitor)),
+        }
+    }
+
+    fn deserialize_unit<V>(self, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        match self {
+            Value::Null => visitor.visit_unit(),
+            _ => Err(self.invalid_type(&visitor)),
+        }
+    }
+
+    fn deserialize_unit_struct<V>(self, _name: &'static str, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        self.deserialize_unit(visitor)
+    }
+
+    fn deserialize_seq<V>(self, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        match self {
+            Value::Array(v) => visit_array(v, visitor),
+            _ => Err(self.invalid_type(&visitor)),
+        }
+    }
+
+    fn deserialize_tuple<V>(self, _len: usize, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        self.deserialize_seq(visitor)
+    }
+
+    fn deserialize_tuple_struct<V>(
+        self,
+        _name: &'static str,
+        _len: usize,
+        visitor: V,
+    ) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        self.deserialize_seq(visitor)
+    }
+
+    fn deserialize_map<V>(self, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        match self {
+            Value::Object(v) => visit_object(v, visitor),
+            _ => Err(self.invalid_type(&visitor)),
+        }
+    }
+
+    fn deserialize_struct<V>(
+        self,
+        _name: &'static str,
+        _fields: &'static [&'static str],
+        visitor: V,
+    ) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        match self {
+            Value::Array(v) => visit_array(v, visitor),
+            Value::Object(v) => visit_object(v, visitor),
+            _ => Err(self.invalid_type(&visitor)),
+        }
+    }
+
+    fn deserialize_identifier<V>(self, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        self.deserialize_string(visitor)
+    }
+
+    fn deserialize_ignored_any<V>(self, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        drop(self);
+        visitor.visit_unit()
+    }
+}
+
+struct EnumDeserializer {
+    variant: String,
+    value: Option<Value>,
+}
+
+impl<'de> EnumAccess<'de> for EnumDeserializer {
+    type Error = Error;
+    type Variant = VariantDeserializer;
+
+    fn variant_seed<V>(self, seed: V) -> Result<(V::Value, VariantDeserializer), Error>
+    where
+        V: DeserializeSeed<'de>,
+    {
+        let variant = self.variant.into_deserializer();
+        let visitor = VariantDeserializer { value: self.value };
+        seed.deserialize(variant).map(|v| (v, visitor))
+    }
+}
+
+impl<'de> IntoDeserializer<'de, Error> for Value {
+    type Deserializer = Self;
+
+    fn into_deserializer(self) -> Self::Deserializer {
+        self
+    }
+}
+
+struct VariantDeserializer {
+    value: Option<Value>,
+}
+
+impl<'de> VariantAccess<'de> for VariantDeserializer {
+    type Error = Error;
+
+    fn unit_variant(self) -> Result<(), Error> {
+        match self.value {
+            Some(value) => Deserialize::deserialize(value),
+            None => Ok(()),
+        }
+    }
+
+    fn newtype_variant_seed<T>(self, seed: T) -> Result<T::Value, Error>
+    where
+        T: DeserializeSeed<'de>,
+    {
+        match self.value {
+            Some(value) => seed.deserialize(value),
+            None => Err(serde::de::Error::invalid_type(
+                Unexpected::UnitVariant,
+                &"newtype variant",
+            )),
+        }
+    }
+
+    fn tuple_variant<V>(self, _len: usize, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        match self.value {
+            Some(Value::Array(v)) => {
+                if v.is_empty() {
+                    visitor.visit_unit()
+                } else {
+                    visit_array(v, visitor)
+                }
+            }
+            Some(other) => Err(serde::de::Error::invalid_type(
+                other.unexpected(),
+                &"tuple variant",
+            )),
+            None => Err(serde::de::Error::invalid_type(
+                Unexpected::UnitVariant,
+                &"tuple variant",
+            )),
+        }
+    }
+
+    fn struct_variant<V>(
+        self,
+        _fields: &'static [&'static str],
+        visitor: V,
+    ) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        match self.value {
+            Some(Value::Object(v)) => visit_object(v, visitor),
+            Some(other) => Err(serde::de::Error::invalid_type(
+                other.unexpected(),
+                &"struct variant",
+            )),
+            None => Err(serde::de::Error::invalid_type(
+                Unexpected::UnitVariant,
+                &"struct variant",
+            )),
+        }
+    }
+}
+
+struct SeqDeserializer {
+    iter: vec::IntoIter<Value>,
+}
+
+impl SeqDeserializer {
+    fn new(vec: Vec<Value>) -> Self {
+        SeqDeserializer {
+            iter: vec.into_iter(),
+        }
+    }
+}
+
+impl<'de> SeqAccess<'de> for SeqDeserializer {
+    type Error = Error;
+
+    fn next_element_seed<T>(&mut self, seed: T) -> Result<Option<T::Value>, Error>
+    where
+        T: DeserializeSeed<'de>,
+    {
+        match self.iter.next() {
+            Some(value) => seed.deserialize(value).map(Some),
+            None => Ok(None),
+        }
+    }
+
+    fn size_hint(&self) -> Option<usize> {
+        match self.iter.size_hint() {
+            (lower, Some(upper)) if lower == upper => Some(upper),
+            _ => None,
+        }
+    }
+}
+
+struct MapDeserializer {
+    iter: <Map<String, Value> as IntoIterator>::IntoIter,
+    value: Option<Value>,
+}
+
+impl MapDeserializer {
+    fn new(map: Map<String, Value>) -> Self {
+        MapDeserializer {
+            iter: map.into_iter(),
+            value: None,
+        }
+    }
+}
+
+impl<'de> MapAccess<'de> for MapDeserializer {
+    type Error = Error;
+
+    fn next_key_seed<T>(&mut self, seed: T) -> Result<Option<T::Value>, Error>
+    where
+        T: DeserializeSeed<'de>,
+    {
+        match self.iter.next() {
+            Some((key, value)) => {
+                self.value = Some(value);
+                let key_de = MapKeyDeserializer {
+                    key: Cow::Owned(key),
+                };
+                seed.deserialize(key_de).map(Some)
+            }
+            None => Ok(None),
+        }
+    }
+
+    fn next_value_seed<T>(&mut self, seed: T) -> Result<T::Value, Error>
+    where
+        T: DeserializeSeed<'de>,
+    {
+        match self.value.take() {
+            Some(value) => seed.deserialize(value),
+            None => Err(serde::de::Error::custom("value is missing")),
+        }
+    }
+
+    fn size_hint(&self) -> Option<usize> {
+        match self.iter.size_hint() {
+            (lower, Some(upper)) if lower == upper => Some(upper),
+            _ => None,
+        }
+    }
+}
+
+macro_rules! deserialize_value_ref_number {
+    ($method:ident) => {
+        #[cfg(not(feature = "arbitrary_precision"))]
+        fn $method<V>(self, visitor: V) -> Result<V::Value, Error>
+        where
+            V: Visitor<'de>,
+        {
+            match self {
+                Value::Number(n) => n.deserialize_any(visitor),
+                _ => Err(self.invalid_type(&visitor)),
+            }
+        }
+
+        #[cfg(feature = "arbitrary_precision")]
+        fn $method<V>(self, visitor: V) -> Result<V::Value, Error>
+        where
+            V: Visitor<'de>,
+        {
+            match self {
+                Value::Number(n) => n.$method(visitor),
+                _ => self.deserialize_any(visitor),
+            }
+        }
+    };
+}
+
+fn visit_array_ref<'de, V>(array: &'de [Value], visitor: V) -> Result<V::Value, Error>
+where
+    V: Visitor<'de>,
+{
+    let len = array.len();
+    let mut deserializer = SeqRefDeserializer::new(array);
+    let seq = tri!(visitor.visit_seq(&mut deserializer));
+    let remaining = deserializer.iter.len();
+    if remaining == 0 {
+        Ok(seq)
+    } else {
+        Err(serde::de::Error::invalid_length(
+            len,
+            &"fewer elements in array",
+        ))
+    }
+}
+
+fn visit_object_ref<'de, V>(object: &'de Map<String, Value>, visitor: V) -> Result<V::Value, Error>
+where
+    V: Visitor<'de>,
+{
+    let len = object.len();
+    let mut deserializer = MapRefDeserializer::new(object);
+    let map = tri!(visitor.visit_map(&mut deserializer));
+    let remaining = deserializer.iter.len();
+    if remaining == 0 {
+        Ok(map)
+    } else {
+        Err(serde::de::Error::invalid_length(
+            len,
+            &"fewer elements in map",
+        ))
+    }
+}
+
+impl<'de> serde::Deserializer<'de> for &'de Value {
+    type Error = Error;
+
+    fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        match self {
+            Value::Null => visitor.visit_unit(),
+            Value::Bool(v) => visitor.visit_bool(*v),
+            Value::Number(n) => n.deserialize_any(visitor),
+            Value::String(v) => visitor.visit_borrowed_str(v),
+            Value::Array(v) => visit_array_ref(v, visitor),
+            Value::Object(v) => visit_object_ref(v, visitor),
+        }
+    }
+
+    deserialize_value_ref_number!(deserialize_i8);
+    deserialize_value_ref_number!(deserialize_i16);
+    deserialize_value_ref_number!(deserialize_i32);
+    deserialize_value_ref_number!(deserialize_i64);
+    deserialize_value_ref_number!(deserialize_u8);
+    deserialize_value_ref_number!(deserialize_u16);
+    deserialize_value_ref_number!(deserialize_u32);
+    deserialize_value_ref_number!(deserialize_u64);
+    deserialize_value_ref_number!(deserialize_f32);
+    deserialize_value_ref_number!(deserialize_f64);
+
+    serde_if_integer128! {
+        deserialize_number!(deserialize_i128);
+        deserialize_number!(deserialize_u128);
+    }
+
+    fn deserialize_option<V>(self, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        match *self {
+            Value::Null => visitor.visit_none(),
+            _ => visitor.visit_some(self),
+        }
+    }
+
+    fn deserialize_enum<V>(
+        self,
+        _name: &str,
+        _variants: &'static [&'static str],
+        visitor: V,
+    ) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        let (variant, value) = match self {
+            Value::Object(value) => {
+                let mut iter = value.into_iter();
+                let (variant, value) = match iter.next() {
+                    Some(v) => v,
+                    None => {
+                        return Err(serde::de::Error::invalid_value(
+                            Unexpected::Map,
+                            &"map with a single key",
+                        ));
+                    }
+                };
+                // enums are encoded in json as maps with a single key:value pair
+                if iter.next().is_some() {
+                    return Err(serde::de::Error::invalid_value(
+                        Unexpected::Map,
+                        &"map with a single key",
+                    ));
+                }
+                (variant, Some(value))
+            }
+            Value::String(variant) => (variant, None),
+            other => {
+                return Err(serde::de::Error::invalid_type(
+                    other.unexpected(),
+                    &"string or map",
+                ));
+            }
+        };
+
+        visitor.visit_enum(EnumRefDeserializer { variant, value })
+    }
+
+    #[inline]
+    fn deserialize_newtype_struct<V>(
+        self,
+        name: &'static str,
+        visitor: V,
+    ) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        #[cfg(feature = "raw_value")]
+        {
+            if name == crate::raw::TOKEN {
+                return visitor.visit_map(crate::raw::OwnedRawDeserializer {
+                    raw_value: Some(self.to_string()),
+                });
+            }
+        }
+
+        let _ = name;
+        visitor.visit_newtype_struct(self)
+    }
+
+    fn deserialize_bool<V>(self, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        match *self {
+            Value::Bool(v) => visitor.visit_bool(v),
+            _ => Err(self.invalid_type(&visitor)),
+        }
+    }
+
+    fn deserialize_char<V>(self, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        self.deserialize_str(visitor)
+    }
+
+    fn deserialize_str<V>(self, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        match self {
+            Value::String(v) => visitor.visit_borrowed_str(v),
+            _ => Err(self.invalid_type(&visitor)),
+        }
+    }
+
+    fn deserialize_string<V>(self, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        self.deserialize_str(visitor)
+    }
+
+    fn deserialize_bytes<V>(self, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        match self {
+            Value::String(v) => visitor.visit_borrowed_str(v),
+            Value::Array(v) => visit_array_ref(v, visitor),
+            _ => Err(self.invalid_type(&visitor)),
+        }
+    }
+
+    fn deserialize_byte_buf<V>(self, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        self.deserialize_bytes(visitor)
+    }
+
+    fn deserialize_unit<V>(self, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        match *self {
+            Value::Null => visitor.visit_unit(),
+            _ => Err(self.invalid_type(&visitor)),
+        }
+    }
+
+    fn deserialize_unit_struct<V>(self, _name: &'static str, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        self.deserialize_unit(visitor)
+    }
+
+    fn deserialize_seq<V>(self, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        match self {
+            Value::Array(v) => visit_array_ref(v, visitor),
+            _ => Err(self.invalid_type(&visitor)),
+        }
+    }
+
+    fn deserialize_tuple<V>(self, _len: usize, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        self.deserialize_seq(visitor)
+    }
+
+    fn deserialize_tuple_struct<V>(
+        self,
+        _name: &'static str,
+        _len: usize,
+        visitor: V,
+    ) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        self.deserialize_seq(visitor)
+    }
+
+    fn deserialize_map<V>(self, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        match self {
+            Value::Object(v) => visit_object_ref(v, visitor),
+            _ => Err(self.invalid_type(&visitor)),
+        }
+    }
+
+    fn deserialize_struct<V>(
+        self,
+        _name: &'static str,
+        _fields: &'static [&'static str],
+        visitor: V,
+    ) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        match self {
+            Value::Array(v) => visit_array_ref(v, visitor),
+            Value::Object(v) => visit_object_ref(v, visitor),
+            _ => Err(self.invalid_type(&visitor)),
+        }
+    }
+
+    fn deserialize_identifier<V>(self, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        self.deserialize_str(visitor)
+    }
+
+    fn deserialize_ignored_any<V>(self, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        visitor.visit_unit()
+    }
+}
+
+struct EnumRefDeserializer<'de> {
+    variant: &'de str,
+    value: Option<&'de Value>,
+}
+
+impl<'de> EnumAccess<'de> for EnumRefDeserializer<'de> {
+    type Error = Error;
+    type Variant = VariantRefDeserializer<'de>;
+
+    fn variant_seed<V>(self, seed: V) -> Result<(V::Value, Self::Variant), Error>
+    where
+        V: DeserializeSeed<'de>,
+    {
+        let variant = self.variant.into_deserializer();
+        let visitor = VariantRefDeserializer { value: self.value };
+        seed.deserialize(variant).map(|v| (v, visitor))
+    }
+}
+
+struct VariantRefDeserializer<'de> {
+    value: Option<&'de Value>,
+}
+
+impl<'de> VariantAccess<'de> for VariantRefDeserializer<'de> {
+    type Error = Error;
+
+    fn unit_variant(self) -> Result<(), Error> {
+        match self.value {
+            Some(value) => Deserialize::deserialize(value),
+            None => Ok(()),
+        }
+    }
+
+    fn newtype_variant_seed<T>(self, seed: T) -> Result<T::Value, Error>
+    where
+        T: DeserializeSeed<'de>,
+    {
+        match self.value {
+            Some(value) => seed.deserialize(value),
+            None => Err(serde::de::Error::invalid_type(
+                Unexpected::UnitVariant,
+                &"newtype variant",
+            )),
+        }
+    }
+
+    fn tuple_variant<V>(self, _len: usize, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        match self.value {
+            Some(&Value::Array(ref v)) => {
+                if v.is_empty() {
+                    visitor.visit_unit()
+                } else {
+                    visit_array_ref(v, visitor)
+                }
+            }
+            Some(other) => Err(serde::de::Error::invalid_type(
+                other.unexpected(),
+                &"tuple variant",
+            )),
+            None => Err(serde::de::Error::invalid_type(
+                Unexpected::UnitVariant,
+                &"tuple variant",
+            )),
+        }
+    }
+
+    fn struct_variant<V>(
+        self,
+        _fields: &'static [&'static str],
+        visitor: V,
+    ) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        match self.value {
+            Some(&Value::Object(ref v)) => visit_object_ref(v, visitor),
+            Some(other) => Err(serde::de::Error::invalid_type(
+                other.unexpected(),
+                &"struct variant",
+            )),
+            None => Err(serde::de::Error::invalid_type(
+                Unexpected::UnitVariant,
+                &"struct variant",
+            )),
+        }
+    }
+}
+
+struct SeqRefDeserializer<'de> {
+    iter: slice::Iter<'de, Value>,
+}
+
+impl<'de> SeqRefDeserializer<'de> {
+    fn new(slice: &'de [Value]) -> Self {
+        SeqRefDeserializer { iter: slice.iter() }
+    }
+}
+
+impl<'de> SeqAccess<'de> for SeqRefDeserializer<'de> {
+    type Error = Error;
+
+    fn next_element_seed<T>(&mut self, seed: T) -> Result<Option<T::Value>, Error>
+    where
+        T: DeserializeSeed<'de>,
+    {
+        match self.iter.next() {
+            Some(value) => seed.deserialize(value).map(Some),
+            None => Ok(None),
+        }
+    }
+
+    fn size_hint(&self) -> Option<usize> {
+        match self.iter.size_hint() {
+            (lower, Some(upper)) if lower == upper => Some(upper),
+            _ => None,
+        }
+    }
+}
+
+struct MapRefDeserializer<'de> {
+    iter: <&'de Map<String, Value> as IntoIterator>::IntoIter,
+    value: Option<&'de Value>,
+}
+
+impl<'de> MapRefDeserializer<'de> {
+    fn new(map: &'de Map<String, Value>) -> Self {
+        MapRefDeserializer {
+            iter: map.into_iter(),
+            value: None,
+        }
+    }
+}
+
+impl<'de> MapAccess<'de> for MapRefDeserializer<'de> {
+    type Error = Error;
+
+    fn next_key_seed<T>(&mut self, seed: T) -> Result<Option<T::Value>, Error>
+    where
+        T: DeserializeSeed<'de>,
+    {
+        match self.iter.next() {
+            Some((key, value)) => {
+                self.value = Some(value);
+                let key_de = MapKeyDeserializer {
+                    key: Cow::Borrowed(&**key),
+                };
+                seed.deserialize(key_de).map(Some)
+            }
+            None => Ok(None),
+        }
+    }
+
+    fn next_value_seed<T>(&mut self, seed: T) -> Result<T::Value, Error>
+    where
+        T: DeserializeSeed<'de>,
+    {
+        match self.value.take() {
+            Some(value) => seed.deserialize(value),
+            None => Err(serde::de::Error::custom("value is missing")),
+        }
+    }
+
+    fn size_hint(&self) -> Option<usize> {
+        match self.iter.size_hint() {
+            (lower, Some(upper)) if lower == upper => Some(upper),
+            _ => None,
+        }
+    }
+}
+
+struct MapKeyDeserializer<'de> {
+    key: Cow<'de, str>,
+}
+
+macro_rules! deserialize_integer_key {
+    ($method:ident => $visit:ident) => {
+        fn $method<V>(self, visitor: V) -> Result<V::Value, Error>
+        where
+            V: Visitor<'de>,
+        {
+            match (self.key.parse(), self.key) {
+                (Ok(integer), _) => visitor.$visit(integer),
+                (Err(_), Cow::Borrowed(s)) => visitor.visit_borrowed_str(s),
+                #[cfg(any(feature = "std", feature = "alloc"))]
+                (Err(_), Cow::Owned(s)) => visitor.visit_string(s),
+            }
+        }
+    };
+}
+
+impl<'de> serde::Deserializer<'de> for MapKeyDeserializer<'de> {
+    type Error = Error;
+
+    fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        BorrowedCowStrDeserializer::new(self.key).deserialize_any(visitor)
+    }
+
+    deserialize_integer_key!(deserialize_i8 => visit_i8);
+    deserialize_integer_key!(deserialize_i16 => visit_i16);
+    deserialize_integer_key!(deserialize_i32 => visit_i32);
+    deserialize_integer_key!(deserialize_i64 => visit_i64);
+    deserialize_integer_key!(deserialize_u8 => visit_u8);
+    deserialize_integer_key!(deserialize_u16 => visit_u16);
+    deserialize_integer_key!(deserialize_u32 => visit_u32);
+    deserialize_integer_key!(deserialize_u64 => visit_u64);
+
+    serde_if_integer128! {
+        deserialize_integer_key!(deserialize_i128 => visit_i128);
+        deserialize_integer_key!(deserialize_u128 => visit_u128);
+    }
+
+    #[inline]
+    fn deserialize_option<V>(self, visitor: V) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        // Map keys cannot be null.
+        visitor.visit_some(self)
+    }
+
+    #[inline]
+    fn deserialize_newtype_struct<V>(
+        self,
+        _name: &'static str,
+        visitor: V,
+    ) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        visitor.visit_newtype_struct(self)
+    }
+
+    fn deserialize_enum<V>(
+        self,
+        name: &'static str,
+        variants: &'static [&'static str],
+        visitor: V,
+    ) -> Result<V::Value, Error>
+    where
+        V: Visitor<'de>,
+    {
+        self.key
+            .into_deserializer()
+            .deserialize_enum(name, variants, visitor)
+    }
+
+    forward_to_deserialize_any! {
+        bool f32 f64 char str string bytes byte_buf unit unit_struct seq tuple
+        tuple_struct map struct identifier ignored_any
+    }
+}
+
+struct KeyClassifier;
+
+enum KeyClass {
+    Map(String),
+    #[cfg(feature = "arbitrary_precision")]
+    Number,
+    #[cfg(feature = "raw_value")]
+    RawValue,
+}
+
+impl<'de> DeserializeSeed<'de> for KeyClassifier {
+    type Value = KeyClass;
+
+    fn deserialize<D>(self, deserializer: D) -> Result<Self::Value, D::Error>
+    where
+        D: serde::Deserializer<'de>,
+    {
+        deserializer.deserialize_str(self)
+    }
+}
+
+impl<'de> Visitor<'de> for KeyClassifier {
+    type Value = KeyClass;
+
+    fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
+        formatter.write_str("a string key")
+    }
+
+    fn visit_str<E>(self, s: &str) -> Result<Self::Value, E>
+    where
+        E: de::Error,
+    {
+        match s {
+            #[cfg(feature = "arbitrary_precision")]
+            crate::number::TOKEN => Ok(KeyClass::Number),
+            #[cfg(feature = "raw_value")]
+            crate::raw::TOKEN => Ok(KeyClass::RawValue),
+            _ => Ok(KeyClass::Map(s.to_owned())),
+        }
+    }
+
+    #[cfg(any(feature = "std", feature = "alloc"))]
+    fn visit_string<E>(self, s: String) -> Result<Self::Value, E>
+    where
+        E: de::Error,
+    {
+        match s.as_str() {
+            #[cfg(feature = "arbitrary_precision")]
+            crate::number::TOKEN => Ok(KeyClass::Number),
+            #[cfg(feature = "raw_value")]
+            crate::raw::TOKEN => Ok(KeyClass::RawValue),
+            _ => Ok(KeyClass::Map(s)),
+        }
+    }
+}
+
+impl Value {
+    #[cold]
+    fn invalid_type<E>(&self, exp: &dyn Expected) -> E
+    where
+        E: serde::de::Error,
+    {
+        serde::de::Error::invalid_type(self.unexpected(), exp)
+    }
+
+    #[cold]
+    fn unexpected(&self) -> Unexpected {
+        match self {
+            Value::Null => Unexpected::Unit,
+            Value::Bool(b) => Unexpected::Bool(*b),
+            Value::Number(n) => n.unexpected(),
+            Value::String(s) => Unexpected::Str(s),
+            Value::Array(_) => Unexpected::Seq,
+            Value::Object(_) => Unexpected::Map,
+        }
+    }
+}
+
+struct BorrowedCowStrDeserializer<'de> {
+    value: Cow<'de, str>,
+}
+
+impl<'de> BorrowedCowStrDeserializer<'de> {
+    fn new(value: Cow<'de, str>) -> Self {
+        BorrowedCowStrDeserializer { value }
+    }
+}
+
+impl<'de> de::Deserializer<'de> for BorrowedCowStrDeserializer<'de> {
+    type Error = Error;
+
+    fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Error>
+    where
+        V: de::Visitor<'de>,
+    {
+        match self.value {
+            Cow::Borrowed(string) => visitor.visit_borrowed_str(string),
+            #[cfg(any(feature = "std", feature = "alloc"))]
+            Cow::Owned(string) => visitor.visit_string(string),
+        }
+    }
+
+    fn deserialize_enum<V>(
+        self,
+        _name: &str,
+        _variants: &'static [&'static str],
+        visitor: V,
+    ) -> Result<V::Value, Error>
+    where
+        V: de::Visitor<'de>,
+    {
+        visitor.visit_enum(self)
+    }
+
+    forward_to_deserialize_any! {
+        bool i8 i16 i32 i64 i128 u8 u16 u32 u64 u128 f32 f64 char str string
+        bytes byte_buf option unit unit_struct newtype_struct seq tuple
+        tuple_struct map struct identifier ignored_any
+    }
+}
+
+impl<'de> de::EnumAccess<'de> for BorrowedCowStrDeserializer<'de> {
+    type Error = Error;
+    type Variant = UnitOnly;
+
+    fn variant_seed<T>(self, seed: T) -> Result<(T::Value, Self::Variant), Error>
+    where
+        T: de::DeserializeSeed<'de>,
+    {
+        let value = seed.deserialize(self)?;
+        Ok((value, UnitOnly))
+    }
+}
+
+struct UnitOnly;
+
+impl<'de> de::VariantAccess<'de> for UnitOnly {
+    type Error = Error;
+
+    fn unit_variant(self) -> Result<(), Error> {
+        Ok(())
+    }
+
+    fn newtype_variant_seed<T>(self, _seed: T) -> Result<T::Value, Error>
+    where
+        T: de::DeserializeSeed<'de>,
+    {
+        Err(de::Error::invalid_type(
+            Unexpected::UnitVariant,
+            &"newtype variant",
+        ))
+    }
+
+    fn tuple_variant<V>(self, _len: usize, _visitor: V) -> Result<V::Value, Error>
+    where
+        V: de::Visitor<'de>,
+    {
+        Err(de::Error::invalid_type(
+            Unexpected::UnitVariant,
+            &"tuple variant",
+        ))
+    }
+
+    fn struct_variant<V>(
+        self,
+        _fields: &'static [&'static str],
+        _visitor: V,
+    ) -> Result<V::Value, Error>
+    where
+        V: de::Visitor<'de>,
+    {
+        Err(de::Error::invalid_type(
+            Unexpected::UnitVariant,
+            &"struct variant",
+        ))
+    }
+}
-- 
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