feat: 绑定全局 escape/unescape 与缺失全局桩函数

crates/oxide_kernel/src/builtin.rs

@@ -200,6 +200,7 @@ pub struct BuiltinWorld {
     pub sym_search: P<JsObject>,
     pub sym_split: P<JsObject>,
     pub sym_iterator: P<JsObject>,
+    pub stub_objects: Vec<P<JsObject>>,
 }
 
 fn intern_label(string_forge: &StringForge, label: &str) -> u32 {
@@ -290,6 +291,7 @@ impl BuiltinWorld {
         let sym_search = P::new(JsObject::new_empty(EMPTY_SHAPE_ID, JsValue::null()));
         let sym_split = P::new(JsObject::new_empty(EMPTY_SHAPE_ID, JsValue::null()));
         let sym_iterator = P::new(JsObject::new_empty(EMPTY_SHAPE_ID, JsValue::null()));
+        let stub_objects = Vec::new();
 
         /// Overwrite placeholder slots (set up by make_pair) with real values.
         /// ctor.vec[0] = constructor.prototype -> proto
@@ -380,6 +382,7 @@ impl BuiltinWorld {
             sym_search,
             sym_split,
             sym_iterator,
+            stub_objects,
         }
     }
 

crates/oxide_vm/src/bindings/bind_global.rs

@@ -0,0 +1,18 @@
+use std::sync::Arc;
+
+use oxide_kernel::kernel::{KernelCore, KernelSession};
+use oxide_types::object::JsObject;
+
+use crate::bindings::apply_binding_table;
+
+pub fn bind_global(core: &Arc<KernelCore>, session: &KernelSession, global: &mut JsObject) {
+    apply_binding_table(
+        session.builtin_world(),
+        global,
+        core,
+        &[
+            ("escape", crate::builtins::global::js_escape as *const (), 1),
+            ("unescape", crate::builtins::global::js_unescape as *const (), 1),
+        ],
+    );
+}

crates/oxide_vm/src/bindings/bind_stubs.rs

@@ -0,0 +1,39 @@
+use std::sync::Arc;
+
+use oxide_kernel::kernel::{KernelCore, KernelSession};
+use oxide_kernel::shape_forge::EMPTY_SHAPE_ID;
+use oxide_types::mem::P;
+use oxide_types::object::JsObject;
+use oxide_types::value::JsValue;
+
+use crate::bindings::{bind_global_value, configure_native_constructor};
+
+const STUBS: [(&str, *const (), u8); 8] = [
+    ("Proxy", crate::builtins::stubs::proxy_stub as *const (), 2),
+    ("BigInt", crate::builtins::stubs::bigint_stub as *const (), 1),
+    ("WeakMap", crate::builtins::stubs::weakmap_stub as *const (), 0),
+    ("WeakSet", crate::builtins::stubs::weakset_stub as *const (), 0),
+    ("WeakRef", crate::builtins::stubs::weakref_stub as *const (), 1),
+    ("FinalizationRegistry", crate::builtins::stubs::finalization_registry_stub as *const (), 1),
+    ("SharedArrayBuffer", crate::builtins::stubs::shared_array_buffer_stub as *const (), 1),
+    ("Atomics", crate::builtins::stubs::atomics_stub as *const (), 0),
+];
+
+pub fn bind_stubs(core: &Arc<KernelCore>, session: &mut KernelSession, global: &mut JsObject) {
+    let builtin_world = Arc::get_mut(&mut session.builtin_world)
+        .expect("BuiltinWorld must be uniquely owned during init_kernel_builtins");
+
+    for (name, native_fn, arg_count) in STUBS {
+        let mut stub = JsObject::new_empty(
+            EMPTY_SHAPE_ID,
+            JsValue::from_js_object(builtin_world.function_proto.as_ptr() as *mut JsObject),
+        );
+        stub.set_function(true);
+        configure_native_constructor(&mut stub, native_fn, arg_count);
+
+        let stub = P::new(stub);
+        let stub_ptr = stub.as_ptr() as *mut JsObject;
+        bind_global_value(core, global, name, JsValue::from_js_object(stub_ptr));
+        builtin_world.stub_objects.push(stub);
+    }
+}

crates/oxide_vm/src/bindings/mod.rs

@@ -3,6 +3,7 @@ pub mod bind_boolean;
 pub mod bind_date;
 pub mod bind_error;
 pub mod bind_function;
+pub mod bind_global;
 pub mod bind_json;
 pub mod bind_map;
 pub mod bind_math;
@@ -11,6 +12,7 @@ pub mod bind_object;
 pub mod bind_regexp;
 pub mod bind_set;
 pub mod bind_string;
+pub mod bind_stubs;
 pub mod bind_symbol;
 
 use std::sync::Arc;
@@ -77,7 +79,7 @@ pub(crate) fn bind_global_value(core: &Arc<KernelCore>, global: &mut JsObject, n
     global.bump_generation();
 }
 
-pub fn init_kernel_builtins(core: &Arc<KernelCore>, session: &KernelSession) {
+pub fn init_kernel_builtins(core: &Arc<KernelCore>, session: &mut KernelSession) {
     let global_ptr = session.global_object().as_ptr() as *mut oxide_types::object::JsObject;
     let global = unsafe { &mut *global_ptr };
 
@@ -95,6 +97,8 @@ pub fn init_kernel_builtins(core: &Arc<KernelCore>, session: &KernelSession) {
     bind_function::bind_function(core, session, global);
     bind_regexp::bind_regexp(core, session, global);
     bind_symbol::bind_symbol(core, session, global);
+    bind_global::bind_global(core, session, global);
+    bind_stubs::bind_stubs(core, session, global);
 
     bind_global_value(core, global, "globalThis", JsValue::from_js_object(global_ptr));
 }

crates/oxide_vm/src/builtins/global.rs

@@ -1,7 +1,131 @@
-use std::sync::Arc;
+use crate::coercion;
+use crate::native::NativeResult;
+use crate::vm::Vm;
 
-use oxide_kernel::kernel::KernelCore;
+const ESCAPE_SAFE: &str = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789@*_+-./";
 
-pub fn register_global_properties(_kernel: &Arc<KernelCore>, _bump: &bumpalo::Bump) -> Result<(), String> {
-    Ok(())
+fn escape_string(input: &str) -> String {
+    let mut out = String::with_capacity(input.len());
+    for ch in input.chars() {
+        if ESCAPE_SAFE.contains(ch) {
+            out.push(ch);
+            continue;
+        }
+
+        let code = ch as u32;
+        if code <= 0xFF {
+            out.push('%');
+            out.push_str(&format!("{code:02X}"));
+            continue;
+        }
+
+        let mut buf = [0u16; 2];
+        for unit in ch.encode_utf16(&mut buf).iter() {
+            out.push_str(&format!("%u{:04X}", *unit));
+        }
+    }
+    out
+}
+
+fn parse_hex_u8(slice: &[u8]) -> Option<u8> {
+    std::str::from_utf8(slice).ok().and_then(|s| u8::from_str_radix(s, 16).ok())
+}
+
+fn parse_hex_u16(slice: &[u8]) -> Option<u16> {
+    std::str::from_utf8(slice).ok().and_then(|s| u16::from_str_radix(s, 16).ok())
+}
+
+fn unescape_string(input: &str) -> String {
+    let bytes = input.as_bytes();
+    let mut out = String::with_capacity(input.len());
+    let mut i = 0;
+
+    while i < bytes.len() {
+        if bytes[i] == b'%' {
+            if i + 6 <= bytes.len() && bytes[i + 1] == b'u' {
+                if let Some(unit) = parse_hex_u16(&bytes[i + 2..i + 6]) {
+                    if (0xD800..=0xDBFF).contains(&unit)
+                        && i + 12 <= bytes.len()
+                        && bytes[i + 6] == b'%'
+                        && bytes[i + 7] == b'u'
+                    {
+                        if let Some(low) = parse_hex_u16(&bytes[i + 8..i + 12]) {
+                            if (0xDC00..=0xDFFF).contains(&low) {
+                                let pair = [unit, low];
+                                let decoded = char::decode_utf16(pair).next();
+                                match decoded {
+                                    Some(Ok(ch)) => out.push(ch),
+                                    _ => {
+                                        out.push_str(&input[i..i + 12]);
+                                    }
+                                }
+                                i += 12;
+                                continue;
+                            }
+                        }
+                    }
+
+                    if let Some(ch) = char::from_u32(unit as u32) {
+                        out.push(ch);
+                    } else {
+                        out.push_str(&input[i..i + 6]);
+                    }
+                    i += 6;
+                    continue;
+                }
+            } else if i + 3 <= bytes.len() {
+                if let Some(value) = parse_hex_u8(&bytes[i + 1..i + 3]) {
+                    out.push(value as char);
+                    i += 3;
+                    continue;
+                }
+            }
+        }
+
+        let ch = input[i..].chars().next().expect("valid utf-8 char boundary");
+        out.push(ch);
+        i += ch.len_utf8();
+    }
+
+    out
+}
+
+pub fn js_escape(vm: &mut Vm, args: &[u8]) -> NativeResult {
+    let input = if args.len() > 1 {
+        coercion::to_string(vm.kernel_core().string_forge().as_ref(), vm.reg(args[1]))
+    } else {
+        "undefined".to_string()
+    };
+    NativeResult::Ok(vm.intern(&escape_string(&input)))
+}
+
+pub fn js_unescape(vm: &mut Vm, args: &[u8]) -> NativeResult {
+    let input = if args.len() > 1 {
+        coercion::to_string(vm.kernel_core().string_forge().as_ref(), vm.reg(args[1]))
+    } else {
+        "undefined".to_string()
+    };
+    NativeResult::Ok(vm.intern(&unescape_string(&input)))
+}
+
+#[cfg(test)]
+mod tests {
+    use super::{escape_string, unescape_string};
+
+    #[test]
+    fn escape_encodes_spaces_and_unicode() {
+        assert_eq!(escape_string("hello world"), "hello%20world");
+        assert_eq!(escape_string("AΩ你"), "A%u03A9%u4F60");
+    }
+
+    #[test]
+    fn unescape_decodes_percent_sequences() {
+        assert_eq!(unescape_string("hello%20world"), "hello world");
+        assert_eq!(unescape_string("%u03A9%u4F60"), "Ω你");
+    }
+
+    #[test]
+    fn unescape_keeps_invalid_sequences() {
+        assert_eq!(unescape_string("%uXYZ1%2G"), "%uXYZ1%2G");
+    }
 }

crates/oxide_vm/src/vm_support.rs

@@ -16,8 +16,8 @@ use oxide_types::value::JsValue;
 impl Vm {
     pub fn new() -> Self {
         let core = KernelCore::new(KernelConfig::minimal());
-        let session = KernelSession::new(&core);
-        bindings::init_kernel_builtins(&core, &session);
+        let mut session = KernelSession::new(&core);
+        bindings::init_kernel_builtins(&core, &mut session);
         let obj_proto = P::clone(&session.builtin_world().object_proto);
         Self {
             regs: [JsValue::undefined(); 256],
@@ -51,8 +51,8 @@ impl Vm {
     }
 
     pub fn with_kernel_core(core: Arc<KernelCore>) -> Self {
-        let session = KernelSession::new(&core);
-        bindings::init_kernel_builtins(&core, &session);
+        let mut session = KernelSession::new(&core);
+        bindings::init_kernel_builtins(&core, &mut session);
         let obj_proto = P::clone(&session.builtin_world().object_proto);
         Self {
             regs: [JsValue::undefined(); 256],
@@ -86,8 +86,8 @@ impl Vm {
     }
 
     pub fn full_reset(&mut self) {
-        let new_session = KernelSession::new(&self.kernel_core);
-        bindings::init_kernel_builtins(&self.kernel_core, &new_session);
+        let mut new_session = KernelSession::new(&self.kernel_core);
+        bindings::init_kernel_builtins(&self.kernel_core, &mut new_session);
         self.object_prototype = P::clone(&new_session.builtin_world().object_proto);
         self.session = new_session;
         self.clear_execution_state();

crates/oxide_vm/tests/template_tests.rs

@@ -37,7 +37,10 @@ fn eval_val(source: &str) -> (Vm, Result<JsValue, String>) {
 
 fn to_str(vm: &Vm, val: JsValue) -> String {
     if val.is_string() {
-        vm.kernel_core().string_forge().lookup(val.as_string_index()).unwrap_or_default()
+        vm.kernel_core()
+            .string_forge()
+            .lookup(val.as_string_index())
+            .unwrap_or_default()
     } else {
         format!("{}", val)
     }