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feat: 调用实参 spread（f(...args) / new F(...args) / super(...args)）

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This commit is contained in:
彭俊皓
2026-08-08 10:33:16 +08:00
parent 8354befb63
commit ab979dc47b
14 changed files with 811 additions and 140 deletions
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crates/oxide_emit/src/closure.rs
+29 -20
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@@ -305,17 +305,13 @@ impl Emitter {
Expression::CallExpression(ce) => {
self.collect_capture_names_expr(&ce.callee, ref_set, shadow, out);
for a in &ce.arguments {
if let Some(e) = a.as_expression() {
self.collect_capture_names_expr(e, ref_set, shadow, out);
}
self.collect_capture_names_arg(a, ref_set, shadow, out);
}
}
Expression::NewExpression(ne) => {
self.collect_capture_names_expr(&ne.callee, ref_set, shadow, out);
for a in &ne.arguments {
if let Some(e) = a.as_expression() {
self.collect_capture_names_expr(e, ref_set, shadow, out);
}
self.collect_capture_names_arg(a, ref_set, shadow, out);
}
}
Expression::SequenceExpression(se) => {
@@ -389,15 +385,25 @@ impl Emitter {
oxide_parser::ChainElement::CallExpression(call) => {
self.collect_capture_names_expr(&call.callee, ref_set, shadow, out);
for a in &call.arguments {
if let Some(e) = a.as_expression() {
self.collect_capture_names_expr(e, ref_set, shadow, out);
}
self.collect_capture_names_arg(a, ref_set, shadow, out);
}
}
_ => {}
}
}
/// 遍历调用实参：静态实参与 spread 内部表达式都纳入捕获扫描。
fn collect_capture_names_arg(
&self, arg: &oxide_parser::Argument, ref_set: &HashSet<String>, shadow: &HashSet<String>,
out: &mut HashSet<String>,
) {
if let Some(e) = arg.as_expression() {
self.collect_capture_names_expr(e, ref_set, shadow, out);
} else if let oxide_parser::Argument::SpreadElement(sp) = arg {
self.collect_capture_names_expr(&sp.argument, ref_set, shadow, out);
}
}
/// 分析本函数：哪些绑定被任意深度嵌套函数捕获 → captured_bindings。
pub(crate) fn collect_captured_bindings(
&self, stmts: &[Statement], extra_exprs: &[&oxide_parser::Expression], own: &HashSet<String>,
@@ -572,9 +578,7 @@ impl Emitter {
Expression::CallExpression(ce) => {
self.collect_captured_expr(&ce.callee, own, out);
for a in &ce.arguments {
if let Some(e) = a.as_expression() {
self.collect_captured_expr(e, own, out);
}
self.collect_captured_arg(a, own, out);
}
}
Expression::BinaryExpression(be) => {
@@ -614,9 +618,7 @@ impl Emitter {
Expression::NewExpression(ne) => {
self.collect_captured_expr(&ne.callee, own, out);
for a in &ne.arguments {
if let Some(e) = a.as_expression() {
self.collect_captured_expr(e, own, out);
}
self.collect_captured_arg(a, own, out);
}
}
Expression::ComputedMemberExpression(m) => {
@@ -659,22 +661,29 @@ impl Emitter {
oxide_parser::ChainElement::CallExpression(c) => {
self.collect_captured_expr(&c.callee, own, out);
for a in &c.arguments {
if let Some(e) = a.as_expression() {
self.collect_captured_expr(e, own, out);
}
self.collect_captured_arg(a, own, out);
}
}
_ => {}
}
}
/// 遍历调用实参：静态实参与 spread 内部表达式都纳入捕获判定。
fn collect_captured_arg(&self, arg: &oxide_parser::Argument, own: &HashSet<String>, out: &mut HashSet<String>) {
if let Some(e) = arg.as_expression() {
self.collect_captured_expr(e, own, out);
} else if let oxide_parser::Argument::SpreadElement(sp) = arg {
self.collect_captured_expr(&sp.argument, own, out);
}
}
/// 分析子函数 body：引用父级被捕获绑定的名字 → upvalue_captures。
/// 名字若在父 `captured_bindings`（父 own cell）则 `cell_idx` 索引定义方表；
/// 若在父 `upvalue_captures`（父自身从更外层捕获）则链式标记 `parent_uv_idx`，
/// 运行时从父闭包 upvalues 取 cell。enclosing_reg 由父 emit 完成后填充。
pub(crate) fn collect_upvalue_names(
&self, body_stmts: &[Statement], extra_exprs: &[&oxide_parser::Expression], parent_captured: &BTreeMap<String, u8>,
parent_upvalues: &[UpvalueCapture], sub_own: &HashSet<String>,
&self, body_stmts: &[Statement], extra_exprs: &[&oxide_parser::Expression],
parent_captured: &BTreeMap<String, u8>, parent_upvalues: &[UpvalueCapture], sub_own: &HashSet<String>,
) -> Vec<UpvalueCapture> {
let mut parent_names: HashSet<String> = parent_captured.keys().cloned().collect();
for u in parent_upvalues {