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Rc is got by reference by default

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Erin 2022-04-22 21:09:03 +02:00 committed by ondra05
parent a103a6e7f6
commit b52d07f13b
1 changed files with 6 additions and 6 deletions
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12
ablescript/src/interpret.rs
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@ -307,10 +307,10 @@ impl ExecEnv {
fn assign(&mut self, dest: &Assignable, value: Value) -> Result<(), Error> { fn assign(&mut self, dest: &Assignable, value: Value) -> Result<(), Error> {
match dest.kind { match dest.kind {
AssignableKind::Variable => { AssignableKind::Variable => {
self.get_var_rc(&dest.ident)?.replace(value); self.get_var_rc_mut(&dest.ident)?.replace(value);
} }
AssignableKind::Index { ref indices } => { AssignableKind::Index { ref indices } => {
let mut cell = self.get_var_rc(&dest.ident)?; let mut cell = self.get_var_rc_mut(&dest.ident)?.clone();
for index in indices { for index in indices {
let index = self.eval_expr(index)?; let index = self.eval_expr(index)?;
@ -366,7 +366,7 @@ impl ExecEnv {
.iter() .iter()
.map(|arg| { .map(|arg| {
if let Expr::Variable(name) = &arg.item { if let Expr::Variable(name) = &arg.item {
self.get_var_rc(&Spanned::new(name.to_owned(), arg.span.clone())) self.get_var_rc_mut(&Spanned::new(name.to_owned(), arg.span.clone())).cloned()
} else { } else {
self.eval_expr(arg).map(ValueRef::new) self.eval_expr(arg).map(ValueRef::new)
} }
@ -555,11 +555,11 @@ impl ExecEnv {
} }
} }
/// Get an Rc'd pointer to the value of a variable. Throw an error /// Get an reference to an Rc'd pointer to the value of a variable. Throw an error
/// if the variable is inaccessible or banned. /// if the variable is inaccessible or banned.
fn get_var_rc(&mut self, name: &Spanned<String>) -> Result<ValueRef, Error> { fn get_var_rc_mut(&mut self, name: &Spanned<String>) -> Result<&mut ValueRef, Error> {
match self.get_var_mut(name)? { match self.get_var_mut(name)? {
Variable::Ref(r) => Ok(r.clone()), Variable::Ref(r) => Ok(r),
Variable::Melo => Err(Error { Variable::Melo => Err(Error {
kind: ErrorKind::MeloVariable(name.item.to_owned()), kind: ErrorKind::MeloVariable(name.item.to_owned()),
span: name.span.clone(), span: name.span.clone(),