fix variable shadowing not working (how was this not noticed until now??)

This commit is contained in:
Mark 2024-02-22 19:13:50 +01:00
parent 4fb84741ef
commit 05c88b7826
4 changed files with 14 additions and 8 deletions

View File

@ -11,7 +11,7 @@ repository = "https://github.com/Dummi26/mers"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
mers_lib = "0.6.0"
# mers_lib = { path = "../mers_lib" }
# mers_lib = "0.6.0"
mers_lib = { path = "../mers_lib" }
clap = { version = "4.3.19", features = ["derive"] }
colored = "2.1.0"

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@ -45,10 +45,10 @@ impl<L: Local> Local for Info<L> {
self.scopes.last_mut().unwrap().init_var(id, value)
}
fn get_var(&self, id: &Self::VariableIdentifier) -> Option<&Self::VariableData> {
self.scopes.iter().find_map(|l| l.get_var(id))
self.scopes.iter().rev().find_map(|l| l.get_var(id))
}
fn get_var_mut(&mut self, id: &Self::VariableIdentifier) -> Option<&mut Self::VariableData> {
self.scopes.iter_mut().find_map(|l| l.get_var_mut(id))
self.scopes.iter_mut().rev().find_map(|l| l.get_var_mut(id))
}
fn duplicate(&self) -> Self {
Self {

View File

@ -25,9 +25,15 @@ impl MersStatement for AssignTo {
return Err("can't init to statement type AssignTo".to_string().into());
}
let source = self.source.check(info, None)?;
let target = match self.target.check(info, Some(&source)) {
let target = match self
.target
.check(info, if self.is_init { Some(&source) } else { None })
{
Ok(v) => v,
Err(e) => {
if !self.is_init {
return Err(e);
}
return Err(CheckError::new()
.src(vec![
(self.pos_in_src.clone(), None),
@ -35,7 +41,7 @@ impl MersStatement for AssignTo {
(self.source.source_range(), Some(error_colors::InitFrom)),
])
.msg(format!("Cannot initialize:"))
.err(e))
.err(e));
}
};
if !self.is_init {

View File

@ -44,12 +44,12 @@ pub trait MersStatement: Debug + Send + Sync {
fn run_custom(&self, info: &mut Info) -> Data;
/// if true, local variables etc. will be contained inside their own scope.
fn has_scope(&self) -> bool;
fn check(&self, info: &mut CheckInfo, assign: Option<&Type>) -> Result<Type, CheckError> {
fn check(&self, info: &mut CheckInfo, init_to: Option<&Type>) -> Result<Type, CheckError> {
info.global.depth += 1;
if self.has_scope() {
info.create_scope();
}
let o = self.check_custom(info, assign);
let o = self.check_custom(info, init_to);
if info.global.enable_hooks {
// Hooks - keep in sync with run/mod.rs/compile() hooks section
'hook_save_info_at: {