102 lines
2.5 KiB
Rust
102 lines
2.5 KiB
Rust
pub mod counted;
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pub mod inject;
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pub mod traced;
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use std::{error::Error, fmt::Display, rc::Rc};
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use sha2::{Digest, Sha256};
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use crate::func::{context::FunctorContext, *};
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use crate::rcore::*;
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use crate::rstd::{cast::*, typeless::*};
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pub struct NoDiagnostic;
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impl<'a, T: Monad<'a>> Diagnostic<'a, T> for NoDiagnostic {
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fn after<'b, A>(fa: T::F<A>, _event: impl 'b + FnOnce() -> String) -> T::F<A> {
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fa
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}
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fn before<'b, A>(fa: T::F<A>, _event: impl 'b + FnOnce() -> String) -> T::F<A> {
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fa
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}
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fn wrapped<'b, A>(fa: T::F<A>, _event: impl 'b + FnOnce() -> String) -> T::F<A> {
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fa
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}
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}
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pub struct TestContextPlain;
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#[derive(Debug)]
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pub enum TestLookupError<'a> {
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Typeless(TypelessError<'a>),
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Cast(CastError<'a>),
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EmptyResolverAccess(Address),
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}
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impl<'a> From<TypelessError<'a>> for TestLookupError<'a> {
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fn from(value: TypelessError<'a>) -> Self {
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Self::Typeless(value)
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}
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}
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impl<'a> From<CastError<'a>> for TestLookupError<'a> {
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fn from(value: CastError<'a>) -> Self {
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Self::Cast(value)
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}
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}
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impl<'a> Display for TestLookupError<'a> {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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match self {
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Self::Typeless(typeless_error) => {
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write!(f, "typeless lookup failure: {}", typeless_error)
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}
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Self::Cast(cast_error) => {
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write!(f, "cast failure: {}", cast_error)
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}
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Self::EmptyResolverAccess(address) => {
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write!(f, "accessed an empty resolved at address {}.", address)
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}
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}
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}
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}
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impl<'a> Error for TestLookupError<'a> {}
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impl<'a> FunctorContext<'a> for TestContextPlain {
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type T = instances::solo::SoloInstance;
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}
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impl<'a> Context<'a> for TestContextPlain {
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type _Tm = Self::T;
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type Fallible = instances::result::ResultFailAny;
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type D = NoDiagnostic;
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type LookupError = TestLookupError<'a>;
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fn hash(s: &[u8]) -> Hash {
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let mut hasher = Sha256::new();
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hasher.update(s);
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hasher.finalize().into()
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}
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}
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pub struct EmptyResolver;
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impl<'a> Resolver<'a, TestContextPlain> for EmptyResolver {
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fn resolve(self: std::rc::Rc<Self>, address: Address) -> HashResolution<'a, TestContextPlain> {
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Err(TestLookupError::EmptyResolverAccess(address))
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}
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}
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pub fn reparse<'a, A: Mentionable<'a, TestContextPlain>>(mentionable: Rc<A>) -> A {
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let factory = mentionable.factory();
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TypelessMentionable::from_typed(mentionable)
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.cast(factory)
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.expect("cast failed")
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}
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