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1e92f2d | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 | use core::fmt;
use std::{
any::{Any, TypeId},
fmt::Debug,
hash::Hash,
sync::Arc,
};
use serde::{Deserialize, Serialize, de::DeserializeSeed};
use turbo_dyn_eq_hash::{
DynEq, DynHash, DynPartialEq, impl_eq_for_dyn, impl_hash_for_dyn, impl_partial_eq_for_dyn,
};
use crate::trace::{TraceRawVcs, TraceRawVcsContext};
pub trait MagicAny: mopa::Any + DynPartialEq + DynEq + DynHash + Send + Sync {
fn magic_any_arc(self: Arc<Self>) -> Arc<dyn Any + Sync + Send>;
fn magic_debug(&self, f: &mut fmt::Formatter) -> fmt::Result;
fn magic_trace_raw_vcs(&self, trace_context: &mut TraceRawVcsContext);
#[cfg(debug_assertions)]
fn magic_type_name(&self) -> &'static str;
}
#[allow(clippy::transmute_ptr_to_ref)] // can't fix as it's in the macro
mod clippy {
use mopa::mopafy;
use super::MagicAny;
mopafy!(MagicAny);
}
impl<T: Debug + Eq + Hash + Send + Sync + TraceRawVcs + 'static> MagicAny for T {
fn magic_any_arc(self: Arc<Self>) -> Arc<dyn Any + Sync + Send> {
self
}
fn magic_debug(&self, f: &mut fmt::Formatter) -> fmt::Result {
let mut d = f.debug_tuple("MagicAny");
d.field(&TypeId::of::<Self>());
#[cfg(debug_assertions)]
d.field(&std::any::type_name::<Self>());
d.field(&(self as &Self));
d.finish()
}
fn magic_trace_raw_vcs(&self, trace_context: &mut TraceRawVcsContext) {
self.trace_raw_vcs(trace_context);
}
#[cfg(debug_assertions)]
fn magic_type_name(&self) -> &'static str {
std::any::type_name::<T>()
}
}
impl fmt::Debug for dyn MagicAny {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
self.magic_debug(f)
}
}
impl_partial_eq_for_dyn!(dyn MagicAny);
impl_eq_for_dyn!(dyn MagicAny);
impl_hash_for_dyn!(dyn MagicAny);
impl TraceRawVcs for dyn MagicAny {
fn trace_raw_vcs(&self, trace_context: &mut TraceRawVcsContext) {
self.magic_trace_raw_vcs(trace_context)
}
}
impl dyn MagicAny {
pub fn as_serialize<T: Debug + Eq + Hash + Serialize + Send + Sync + TraceRawVcs + 'static>(
&self,
) -> &dyn erased_serde::Serialize {
if let Some(r) = self.downcast_ref::<T>() {
r
} else {
#[cfg(debug_assertions)]
panic!(
"MagicAny::as_serializable broken: got {} but expected {}",
self.magic_type_name(),
std::any::type_name::<T>()
);
#[cfg(not(debug_assertions))]
panic!("MagicAny::as_serializable bug");
}
}
}
type MagicAnySerializeFunctor = fn(&dyn MagicAny) -> &dyn erased_serde::Serialize;
#[derive(Clone, Copy)]
pub struct MagicAnySerializeSeed {
functor: MagicAnySerializeFunctor,
}
impl MagicAnySerializeSeed {
pub fn new<T: Debug + Eq + Hash + Serialize + Send + Sync + TraceRawVcs + 'static>() -> Self {
fn serialize<T: Debug + Eq + Hash + Serialize + Send + Sync + TraceRawVcs + 'static>(
value: &dyn MagicAny,
) -> &dyn erased_serde::Serialize {
value.as_serialize::<T>()
}
Self {
functor: serialize::<T>,
}
}
pub fn as_serialize<'a>(&self, value: &'a dyn MagicAny) -> &'a dyn erased_serde::Serialize {
(self.functor)(value)
}
}
type MagicAnyDeserializeSeedFunctor =
fn(&mut dyn erased_serde::Deserializer<'_>) -> Result<Box<dyn MagicAny>, erased_serde::Error>;
#[derive(Clone, Copy)]
pub struct MagicAnyDeserializeSeed {
functor: MagicAnyDeserializeSeedFunctor,
}
impl MagicAnyDeserializeSeed {
pub fn new<T>() -> Self
where
T: for<'de> Deserialize<'de> + Debug + Eq + Hash + Send + Sync + TraceRawVcs + 'static,
{
fn deserialize<T>(
deserializer: &mut dyn erased_serde::Deserializer<'_>,
) -> Result<Box<dyn MagicAny>, erased_serde::Error>
where
T: for<'de> Deserialize<'de> + Debug + Eq + Hash + Send + Sync + TraceRawVcs + 'static,
{
let value: T = erased_serde::deserialize(deserializer)?;
Ok(Box::new(value))
}
Self {
functor: deserialize::<T>,
}
}
}
impl<'de> DeserializeSeed<'de> for MagicAnyDeserializeSeed {
type Value = Box<dyn MagicAny>;
fn deserialize<D>(self, deserializer: D) -> Result<Self::Value, D::Error>
where
D: serde::Deserializer<'de>,
{
let mut deserializer = <dyn erased_serde::Deserializer>::erase(deserializer);
(self.functor)(&mut deserializer).map_err(serde::de::Error::custom)
}
}
type AnyDeserializeSeedFunctor = fn(
&mut dyn erased_serde::Deserializer<'_>,
) -> Result<Box<dyn Any + Sync + Send>, erased_serde::Error>;
#[derive(Clone, Copy)]
pub struct AnyDeserializeSeed {
functor: AnyDeserializeSeedFunctor,
}
impl AnyDeserializeSeed {
pub fn new<T>() -> Self
where
T: for<'de> Deserialize<'de> + Any + Send + Sync + 'static,
{
fn deserialize<T: Any + for<'de> Deserialize<'de> + Send + Sync + 'static>(
deserializer: &mut dyn erased_serde::Deserializer<'_>,
) -> Result<Box<dyn Any + Sync + Send>, erased_serde::Error> {
let value: T = erased_serde::deserialize(deserializer)?;
Ok(Box::new(value))
}
Self {
functor: deserialize::<T>,
}
}
}
impl<'de> DeserializeSeed<'de> for AnyDeserializeSeed {
type Value = Box<dyn Any + Sync + Send>;
fn deserialize<D>(self, deserializer: D) -> Result<Self::Value, D::Error>
where
D: serde::Deserializer<'de>,
{
let mut deserializer = <dyn erased_serde::Deserializer>::erase(deserializer);
(self.functor)(&mut deserializer).map_err(serde::de::Error::custom)
}
}
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