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mers rewrite is starting to be usable

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This commit is contained in:
Mark
2023-08-14 17:17:08 +02:00
parent e549b1a5be
commit 2a7cb08596
50 changed files with 1411 additions and 407 deletions
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48
mers_lib/src/program/run/variable.rs
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@@ -1,9 +1,12 @@
use crate::data::{self, Data};
use std::sync::{Arc, Mutex};
use crate::data::{self, Data, Type};
use super::MersStatement;
#[derive(Debug)]
pub struct Variable {
pub is_init: bool,
pub is_ref: bool,
pub var: (usize, usize),
}
@@ -12,19 +15,44 @@ impl MersStatement for Variable {
fn has_scope(&self) -> bool {
false
}
fn run_custom(&self, info: &mut super::Info) -> Data {
while info.scopes[self.var.0].vars.len() <= self.var.1 {
info.scopes[self.var.0]
.vars
.push(Data::new(data::bool::Bool(false)));
fn check_custom(
&self,
info: &mut super::CheckInfo,
init_to: Option<&Type>,
) -> Result<data::Type, super::CheckError> {
if self.is_init {
while info.scopes[self.var.0].vars.len() <= self.var.1 {
info.scopes[self.var.0].vars.push(Type::empty());
}
info.scopes[self.var.0].vars[self.var.1] = init_to
.expect("variable's is_init was true, but check_custom's assign was None? How?")
.clone();
}
if self.is_ref {
Data::new(data::reference::Reference(
Ok(if self.is_ref {
Type::new(data::reference::ReferenceT(
info.scopes[self.var.0].vars[self.var.1].clone(),
))
} else {
// Full-Clones!
Data::new_boxed(info.scopes[self.var.0].vars[self.var.1].get().clone())
info.scopes[self.var.0].vars[self.var.1].clone()
})
}
fn run_custom(&self, info: &mut super::Info) -> Data {
if self.is_init {
let nothing = Arc::new(Mutex::new(Data::new(data::bool::Bool(false))));
while info.scopes[self.var.0].vars.len() <= self.var.1 {
info.scopes[self.var.0].vars.push(Arc::clone(&nothing));
}
info.scopes[self.var.0].vars[self.var.1] = nothing;
}
if self.is_ref {
Data::new(data::reference::Reference(Arc::clone(
&info.scopes[self.var.0].vars[self.var.1],
)))
} else {
info.scopes[self.var.0].vars[self.var.1]
.lock()
.unwrap()
.clone()
}
}
}