mirror of
https://github.com/pjh456/OxideJS.git
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105 lines
4.3 KiB
Rust
105 lines
4.3 KiB
Rust
//! oxide_cli 库目标:暴露持久 server 子系统与完成值渲染,供集成测试跨进程
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//! 引用、供二进制与 server 执行路径共用。
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//!
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//! 二进制目标(`src/main.rs`)承载 CLI 分派(eval / run / compile / bench /
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//! REPL);库目标暴露 server 模块与完成值渲染函数,集成测试(`tests/`)经
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//! `oxide_cli::server` 调用 `run_server` 起真实 server 进程主体,eval 臂与
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//! server 执行路径共用 `format_js_value` 渲染完成值。
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use oxide_kernel::shape_forge::{ShapeForge, EMPTY_SHAPE_ID};
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use oxide_kernel::string_forge::PermInterner;
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use oxide_types::object::JsObject;
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use oxide_types::private_key::{is_private_name_key, is_symbol_key};
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use oxide_vm::vm::Vm;
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use oxide_vm::JsValue;
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pub mod server;
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/// 完成值渲染:把 JsValue 递归渲染为可读文本(字符串加引号、Promise 按结算态
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/// 展开、函数 `[Function]`、对象走 shape 链、数组按元素区)。
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///
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/// 二进制 eval 臂与 server 执行路径共用。
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pub fn format_js_value(vm: &Vm, string_forge: &PermInterner, shape_forge: &ShapeForge, val: JsValue) -> String {
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if val.is_string() {
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// SAFETY: val 已确认是字符串值。
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let s = unsafe { (*val.as_string_ptr()).to_owned_string() };
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format!("\"{s}\"")
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} else if val.is_bigint() {
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format!("{}", vm.bigint_value(val))
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} else if val.is_object() {
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let obj = unsafe { &*val.as_js_object_ptr() };
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if obj.is_promise_obj() {
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// 已 settle 的 Promise 打印其结算值(便于 eval 观察微任务结果)。
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return match oxide_vm::promise::promise_settled_value(obj) {
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Some((true, v)) => format_js_value(vm, string_forge, shape_forge, v),
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Some((false, v)) => {
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format!("Promise {{ <rejected> {} }}", format_js_value(vm, string_forge, shape_forge, v))
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}
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None => "Promise { <pending> }".to_string(),
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};
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}
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if obj.is_function() {
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"[Function]".to_string()
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} else if obj.is_array() {
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format_array(vm, string_forge, shape_forge, obj)
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} else {
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format_object(vm, string_forge, shape_forge, obj)
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}
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} else if val.is_undefined() {
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"undefined".to_string()
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} else {
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format!("{val}")
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}
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}
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/// 对象渲染:沿 shape 父链收集非空属性名(跳过 Symbol/私有名键),按序渲染。
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fn format_object(vm: &Vm, string_forge: &PermInterner, shape_forge: &ShapeForge, obj: &JsObject) -> String {
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let mut entries = Vec::new();
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let shape_id = obj.shape_id();
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let mut shape_ids = Vec::new();
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let mut cursor = Some(shape_id);
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while let Some(id) = cursor {
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if id == EMPTY_SHAPE_ID {
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break;
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}
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if let Some(shape) = shape_forge.get_shape(id) {
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cursor = shape.parent;
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if shape.property_name != u32::MAX {
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shape_ids.push(id);
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}
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} else {
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break;
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}
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}
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let mut pos: u32 = 0;
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for id in shape_ids.iter().rev() {
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if let Some(shape) = shape_forge.get_shape(*id) {
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// 跳过 Symbol/私有名键,仅展示字符串属性名。
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if !is_symbol_key(shape.property_name) && !is_private_name_key(shape.property_name) {
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let prop_val = obj.get_prop_at(pos);
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if prop_val.is_undefined() {
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pos += 1;
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continue;
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}
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let name = string_forge.lookup(shape.property_name).unwrap_or_default();
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let val_str = format_js_value(vm, string_forge, shape_forge, prop_val);
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entries.push(format!("\"{name}\": {val_str}"));
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}
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}
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pos += 1;
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}
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format!("{{{}}}", entries.join(", "))
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}
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/// 数组渲染:按元素区长度遍历,逐元素渲染。
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fn format_array(vm: &Vm, string_forge: &PermInterner, shape_forge: &ShapeForge, obj: &JsObject) -> String {
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// 数组元素在独立元素区,命名属性区长度恒 0;元素区未分配时 get_prop_at 自然返回 undefined。
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let len = obj.array_prop_count as usize;
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let mut items = Vec::new();
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for i in 0..len {
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let val = obj.get_prop_at(i);
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items.push(format_js_value(vm, string_forge, shape_forge, val));
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}
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format!("[{}]", items.join(", "))
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}
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