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fix: TDZ 写与 const 赋值检查补全（含闭包捕获路径）

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This commit is contained in:
彭俊皓
2026-08-15 21:55:43 +08:00
parent 2669967967
commit 07ea7e6d4f
8 changed files with 224 additions and 16 deletions
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crates/oxide_emit/src/shared/binding.rs
+9
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@@ -112,6 +112,9 @@ impl Emitter {
match target {
AssignmentTarget::AssignmentTargetIdentifier(id) => {
let name = id.name.as_str();
// 解构赋值目标：TDZ 写抛 ReferenceError，const 写抛 TypeError（编译期拦截）。
self.emit_identifier_tdz_guard(name, ctx)?;
self.emit_const_write_guard(name, ctx)?;
let var_reg = ctx.lookup_or_global(name);
ctx.inst(Inst::new(
OpCode::STORE_VAR,
@@ -294,6 +297,9 @@ impl Emitter {
AssignmentTargetMaybeDefault::ObjectAssignmentTarget(op) => self.emit_object_assignment(op, src_reg, ctx),
AssignmentTargetMaybeDefault::AssignmentTargetIdentifier(id) => {
let name = id.name.as_str();
// 解构赋值目标：TDZ 写抛 ReferenceError，const 写抛 TypeError（编译期拦截）。
self.emit_identifier_tdz_guard(name, ctx)?;
self.emit_const_write_guard(name, ctx)?;
let var_reg = ctx.lookup_or_global(name);
ctx.inst(Inst::new(
OpCode::STORE_VAR,
@@ -358,6 +364,9 @@ impl Emitter {
prop_reg = self.emit_default_if_undefined(prop_reg, default_expr, Some(name), ctx)?;
}
let name = id.binding.name.as_str();
// 解构赋值目标：TDZ 写抛 ReferenceError，const 写抛 TypeError（编译期拦截）。
self.emit_identifier_tdz_guard(name, ctx)?;
self.emit_const_write_guard(name, ctx)?;
let var_reg = ctx.lookup_or_global(name);
ctx.inst(Inst::new(
OpCode::STORE_VAR,