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simplify Scope::get_var

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This commit is contained in:
Connor Skees 2020-07-07 17:36:47 -04:00
parent ef25481420
commit 33f81f5bbe
2 changed files with 10 additions and 13 deletions
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8
src/parse/value/parse.rs
View File

@ -524,15 +524,13 @@ impl<'a> Parser<'a> {
Ok(v) => v.map_node(|i| i.into()),
Err(e) => return Some(Err(e)),
};
let span = val.span;
IntermediateValue::Value(HigherIntermediateValue::Literal(
match self.scopes.last().get_var(&val, self.global_scope) {
Ok(v) => v,
Ok(v) => v.clone(),
Err(e) => return Some(Err(e)),
}
.node,
},
))
.span(span)
.span(val.span)
}
'+' => {
let span = self.toks.next().unwrap().pos();

15
src/scope.rs
View File

@ -17,7 +17,6 @@ pub(crate) struct Scope {
functions: HashMap<Identifier, Function>,
}
// todo: separate struct for global scope?
impl Scope {
#[must_use]
pub fn new() -> Self {
@ -28,20 +27,20 @@ impl Scope {
}
}
fn get_var_no_global(&self, name: &Spanned<Identifier>) -> SassResult<Spanned<Value>> {
fn get_var_no_global(&self, name: &Spanned<Identifier>) -> SassResult<&Value> {
match self.vars.get(&name.node) {
Some(v) => Ok(v.clone()),
Some(v) => Ok(&v.node),
None => Err(("Undefined variable.", name.span).into()),
}
}
pub fn get_var(
&self,
pub fn get_var<'a>(
&'a self,
name: &Spanned<Identifier>,
global_scope: &Scope,
) -> SassResult<Spanned<Value>> {
global_scope: &'a Scope,
) -> SassResult<&Value> {
match self.vars.get(&name.node) {
Some(v) => Ok(v.clone()),
Some(v) => Ok(&v.node),
None => global_scope.get_var_no_global(name),
}
}