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fix: sloppy 未声明写隐式全局创建 + strict ReferenceError——DEFINE_GLOBAL_PROP_C 0x98

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This commit is contained in:
彭俊皓
2026-09-09 18:44:38 +08:00
parent c8bcff83f6
commit d9c2847730
14 changed files with 348 additions and 9 deletions
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crates/oxide_emit/src/expr/assignment.rs
+25 -6
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@@ -72,7 +72,15 @@ impl Emitter {
Ok(val_reg)
} else {
let var_reg = ctx.lookup_or_global(name);
let is_implicit = ctx.implicit_global_writes.contains(&var_reg);
if is_implicit && ctx.is_strict {
// 严格模式未声明复合写：未解析引用不可 put，值无关抛 ReferenceError。
return self.emit_strict_undeclared_write(name, ctx);
}
ctx.inst(Inst::new(op, Operand::Reg(var_reg), Operand::Reg(rhs), Operand::None));
if is_implicit {
self.emit_implicit_global_write(name, var_reg, ctx);
}
Ok(var_reg)
}
}
@@ -368,12 +376,23 @@ impl Emitter {
let is_const = ctx.lookup_const_flag(name);
let const_flag = if is_const { 1 } else { 0 };
let var_reg = ctx.lookup_or_global(name);
ctx.inst(Inst::new(
OpCode::STORE_VAR,
Operand::Reg(var_reg),
Operand::Reg(val_reg),
Operand::Imm(const_flag),
));
// 隐式全局判定以寄存器集合为准：读侧（旧值解析）已登记绑定，
// 写侧二次解析命中集合而非"新登记"。
let is_implicit = ctx.implicit_global_writes.contains(&var_reg);
if is_implicit && ctx.is_strict {
// 严格模式未声明写：抛 ReferenceError，后续 LOAD_VAR 不可达。
let _ = self.emit_strict_undeclared_write(name, ctx)?;
} else {
ctx.inst(Inst::new(
OpCode::STORE_VAR,
Operand::Reg(var_reg),
Operand::Reg(val_reg),
Operand::Imm(const_flag),
));
if is_implicit {
self.emit_implicit_global_write(name, var_reg, ctx);
}
}
}
ctx.inst(Inst::new(
OpCode::LOAD_VAR,