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fix: 模块自导入绑定改为源绑定活别名

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彭俊皓
2026-09-17 22:54:06 +00:00
parent 6aa87cd40e
commit 2bd6da4b00
6 changed files with 480 additions and 70 deletions
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crates/oxide_emit/src/prepass/declare.rs
+15 -16
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@@ -15,15 +15,20 @@ impl Emitter {
Some(Declaration::FunctionDeclaration(f)) => f,
_ => continue,
},
// export default function foo(){}：foo 绑定由 lexical predeclare 以
// Const 预声明（emit 侧 emit_bind_target(Const) 消费预登记槽）。
// export default function：具名声明名 / 匿名的合成 `*default*` 名
// 按函数声明提升并预初始化（模块实例化期即绑定函数对象）。
Statement::ExportDefaultDeclaration(exp) => match &exp.declaration {
ExportDefaultDeclarationKind::FunctionDeclaration(f) => f,
_ => continue,
},
_ => continue,
};
let Some(identifier) = &function.id else {
continue;
let name = match &function.id {
Some(identifier) => identifier.name.to_string(),
None => "*default*".to_string(),
};
let reg = ctx.alloc_reg();
let _ = ctx.declare_initialized(identifier.name.as_str(), reg, VariableDeclarationKind::Var, false);
let _ = ctx.declare_initialized(name.as_str(), reg, VariableDeclarationKind::Var, false);
}
}
@@ -342,23 +347,17 @@ impl Emitter {
}
}
}
Statement::ExportDefaultDeclaration(exp) => match &exp.declaration {
ExportDefaultDeclarationKind::ClassDeclaration(cd) => {
Statement::ExportDefaultDeclaration(exp) => {
// default 函数声明（具名与匿名）由函数预声明臂按提升 var 承载，
// 此处只为具名 default 类建 lexical Let TDZ 占位。
if let ExportDefaultDeclarationKind::ClassDeclaration(cd) = &exp.declaration {
if let Some(id) = &cd.id {
check_restricted_global_lexical(id.name.as_str(), global_lexical)?;
let reg = ctx.alloc_reg();
let _ = ctx.declare_predeclared(id.name.as_str(), reg, VariableDeclarationKind::Let, false);
}
}
ExportDefaultDeclarationKind::FunctionDeclaration(fd) => {
if let Some(id) = &fd.id {
let reg = ctx.alloc_reg();
let _ =
ctx.declare_predeclared(id.name.as_str(), reg, VariableDeclarationKind::Const, true);
}
}
_ => {}
},
}
_ => {}
}
}