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JT
2021-09-06 14:20:02 +12:00
parent aaee3a8b61
commit 979faf853a
7 changed files with 41 additions and 7 deletions
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14
crates/nu-protocol/src/engine/engine_state.rs
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@ -13,7 +13,7 @@ pub struct EngineState {
}
#[derive(Debug)]
struct ScopeFrame {
pub struct ScopeFrame {
vars: HashMap<Vec<u8>, VarId>,
decls: HashMap<Vec<u8>, DeclId>,
aliases: HashMap<Vec<u8>, Vec<Span>>,
@ -27,6 +27,16 @@ impl ScopeFrame {
aliases: HashMap::new(),
}
}
pub fn get_var(&self, var_name: &[u8]) -> Option<&VarId> {
self.vars.get(var_name)
}
}
impl Default for ScopeFrame {
fn default() -> Self {
Self::new()
}
}
impl Default for EngineState {
@ -188,7 +198,7 @@ pub struct StateDelta {
vars: Vec<Type>, // indexed by VarId
decls: Vec<Box<dyn Command>>, // indexed by DeclId
blocks: Vec<Block>, // indexed by BlockId
scope: Vec<ScopeFrame>,
pub scope: Vec<ScopeFrame>,
}
impl StateDelta {