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//! Data generated by scope analysis, and consumed only by emitter
use std::collections::HashMap;
use stencil::script::ScriptStencilIndex;
/// Data associated to a function.
#[derive(Debug)]
pub struct FunctionProperty {
is_annex_b: bool,
}
impl FunctionProperty {
fn is_annex_b_default() -> bool {
false
}
pub fn new() -> Self {
Self {
is_annex_b: Self::is_annex_b_default(),
}
}
pub fn mark_annex_b(&mut self) {
self.is_annex_b = true;
}
pub fn is_annex_b(&self) -> bool {
self.is_annex_b
}
}
/// Map from function to associated data.
#[derive(Debug)]
pub struct FunctionDeclarationPropertyMap {
/// This map is populated lazily, only for functions with non-default
/// property.
props: HashMap<ScriptStencilIndex, FunctionProperty>,
}
impl FunctionDeclarationPropertyMap {
pub fn new() -> Self {
Self {
props: HashMap::new(),
}
}
pub fn mark_annex_b(&mut self, index: ScriptStencilIndex) {
if !self.props.contains_key(&index) {
self.props.insert(index, FunctionProperty::new());
}
self.props
.get_mut(&index)
.expect("Should exist")
.mark_annex_b();
}
pub fn is_annex_b(&self, index: ScriptStencilIndex) -> bool {
if !self.props.contains_key(&index) {
return FunctionProperty::is_annex_b_default();
}
self.props.get(&index).expect("Should exist").is_annex_b()
}
}