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This commit is contained in:
Lawrence Bethlenfalvy
2023-03-21 19:36:40 +00:00
parent 180ebb56fa
commit f3ce910f66
63 changed files with 1410 additions and 1023 deletions
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34
src/rule/executor/state.rs
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@@ -1,15 +1,16 @@
use std::{ops::{Add, Index}, rc::Rc, fmt::Debug};
use hashbrown::HashMap;
use lasso::Spur;
use crate::ast::Expr;
#[derive(Debug, PartialEq, Eq)]
#[derive(PartialEq, Eq)]
pub enum Entry {
Vec(Rc<Vec<Expr>>),
Scalar(Rc<Expr>),
Name(Rc<String>),
NameOpt(Option<Rc<String>>)
Name(Rc<Vec<Spur>>),
NameOpt(Option<Rc<Vec<Spur>>>)
}
/// A bucket of indexed expression fragments. Addition may fail if there's a conflict.
@@ -55,33 +56,32 @@ impl State {
}
Some(self)
}
pub fn insert_name<S1, S2>(mut self, k: &S1, v: &S2) -> Option<Self>
pub fn insert_name<S1>(mut self, k: &S1, v: &[Spur]) -> Option<Self>
where
S1: AsRef<str> + ToString + ?Sized,
S2: AsRef<str> + ToString + ?Sized
S1: AsRef<str> + ToString + ?Sized
{
if let Some(old) = self.0.get(k.as_ref()) {
if let Entry::Name(val) = old {
if val.as_str() != v.as_ref() {return None}
if val.as_ref() != v.as_ref() {return None}
} else {return None}
} else {
self.0.insert(k.to_string(), Entry::Name(Rc::new(v.to_string())));
self.0.insert(k.to_string(), Entry::Name(Rc::new(v.to_vec())));
}
Some(self)
}
pub fn insert_name_opt<S1, S2>(mut self, k: &S1, v: Option<&S2>) -> Option<Self>
where
S1: AsRef<str> + ToString + ?Sized,
S2: AsRef<str> + ToString + ?Sized
pub fn insert_name_opt<S1, S2>(mut self, k: &S1, v: Option<&[Spur]>)
-> Option<Self>
where S1: AsRef<str> + ToString + ?Sized
{
if let Some(old) = self.0.get(k.as_ref()) {
if let Entry::NameOpt(val) = old {
if val.as_ref().map(|s| s.as_ref().as_str()) != v.map(|s| s.as_ref()) {
if val.as_ref().map(|s| s.as_ref().as_slice()) != v {
return None
}
} else {return None}
} else {
self.0.insert(k.to_string(), Entry::NameOpt(v.map(|s| Rc::new(s.to_string()))));
let data = v.map(|s| Rc::new(s.to_vec()));
self.0.insert(k.to_string(), Entry::NameOpt(data));
}
Some(self)
}
@@ -138,10 +138,4 @@ impl IntoIterator for State {
fn into_iter(self) -> Self::IntoIter {
self.0.into_iter()
}
}
impl Debug for State {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "{:?}", self.0)
}
}