ITStudio_OUC/OxideJS-New
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feat: 创建对象原型链最小接口

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彭俊皓
2026-06-05 18:42:23 +08:00
parent 3a04e131c5
commit 89a9ec8b4a
1 changed files with 14 additions and 7 deletions
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crates/oxide_vm/src/vm.rs
+14 -7
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@@ -5,7 +5,7 @@ use oxide_compiler::module::CompiledModule;
use oxide_compiler::opcode::{self, OpCode}; use oxide_compiler::opcode::{self, OpCode};
use crate::coercion; use crate::coercion;
use crate::mem::Epoch; use crate::mem::{Epoch, P};
use crate::object::JsObject; use crate::object::JsObject;
use crate::shape::{self, EMPTY_SHAPE_ID}; use crate::shape::{self, EMPTY_SHAPE_ID};
use crate::value::JsValue; use crate::value::JsValue;
@@ -25,6 +25,7 @@ pub struct Vm {
string_table: HashMap<String, u32>, string_table: HashMap<String, u32>,
string_reverse: Vec<String>, string_reverse: Vec<String>,
pub epoch: Epoch, pub epoch: Epoch,
pub object_prototype: P<JsObject>,
} }
impl Vm { impl Vm {
@@ -38,6 +39,7 @@ impl Vm {
string_table: HashMap::with_capacity(64), string_table: HashMap::with_capacity(64),
string_reverse: Vec::with_capacity(64), string_reverse: Vec::with_capacity(64),
epoch: Epoch::new(), epoch: Epoch::new(),
object_prototype: P::new(JsObject::new_empty(EMPTY_SHAPE_ID, JsValue::null())),
} }
} }
@@ -382,17 +384,22 @@ impl Vm {
} }
OpCode::NEW_OBJECT => { OpCode::NEW_OBJECT => {
let obj = self let proto_ptr = &*self.object_prototype as *const JsObject as *mut JsObject;
.epoch let obj = self.epoch.alloc(JsObject::new_empty(
.alloc(JsObject::new_empty(EMPTY_SHAPE_ID, JsValue::null())); EMPTY_SHAPE_ID,
JsValue::from_js_object(proto_ptr),
));
self.regs[rd] = JsValue::object(obj as *mut u8); self.regs[rd] = JsValue::object(obj as *mut u8);
} }
OpCode::NEW_ARRAY => { OpCode::NEW_ARRAY => {
let proto_ptr = &*self.object_prototype as *const JsObject as *mut JsObject;
let n = opcode::imm16(instr) as usize; let n = opcode::imm16(instr) as usize;
let obj = let obj = self.epoch.alloc(JsObject::new_array(
self.epoch EMPTY_SHAPE_ID,
.alloc(JsObject::new_array(EMPTY_SHAPE_ID, JsValue::null(), n)); JsValue::from_js_object(proto_ptr),
n,
));
self.regs[rd] = JsValue::object(obj as *mut u8); self.regs[rd] = JsValue::object(obj as *mut u8);
} }