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refactor: Vm 状态分组、dispatch 拆分为分发表、IC 辅助函数独立成模块

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爱特每羊队
2026-06-25 19:22:16 +08:00
parent 2c8f85d5a9
commit bb3f1cf0e9
16 changed files with 835 additions and 563 deletions
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crates/oxide_vm/src/vm_runtime.rs
+7 -25
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@@ -1,7 +1,6 @@
use std::sync::{Arc, OnceLock};
use oxide_bytecode::module::CompiledModule;
use oxide_bytecode::opcode;
use crate::vm::{CallFrame, InlineSyncState, Vm};
use oxide_types::object::JsObject;
@@ -47,9 +46,9 @@ impl Vm {
exception_value: self.exception_value.take(),
pending_exception: self.pending_exception.take(),
pending_error_kind: self.pending_error_kind.take(),
for_in_iters: std::mem::take(&mut self.for_in_iters),
for_of_iters: std::mem::take(&mut self.for_of_iters),
last_for_of_result: self.last_for_of_result,
for_in_iters: std::mem::take(&mut self.iters.for_in_iters),
for_of_iters: std::mem::take(&mut self.iters.for_of_iters),
last_for_of_result: self.iters.last_for_of_result,
saved_bytecode_stack: std::mem::take(&mut self.saved_bytecode_stack),
saved_immutables_stack: std::mem::take(&mut self.saved_immutables_stack),
save_stack: std::mem::take(&mut self.save_stack),
@@ -89,9 +88,9 @@ impl Vm {
self.exception_value = saved.exception_value;
self.pending_exception = saved.pending_exception;
self.pending_error_kind = saved.pending_error_kind;
self.for_in_iters = saved.for_in_iters;
self.for_of_iters = saved.for_of_iters;
self.last_for_of_result = saved.last_for_of_result;
self.iters.for_in_iters = saved.for_in_iters;
self.iters.for_of_iters = saved.for_of_iters;
self.iters.last_for_of_result = saved.last_for_of_result;
self.saved_bytecode_stack = saved.saved_bytecode_stack;
self.saved_immutables_stack = saved.saved_immutables_stack;
self.save_stack = saved.save_stack;
@@ -119,27 +118,10 @@ impl Vm {
pub fn rerun(&mut self) -> Result<JsValue, String> {
self.clear_execution_state();
self.active_reg_limit = self.root_reg_limit;
self.clear_ic_caches();
crate::ic_helper::clear_ic_caches(&mut self.bytecode);
self.dispatch()
}
fn clear_ic_caches(&mut self) {
let mut i = 0;
while i < self.bytecode.len() {
let op = opcode::opcode(self.bytecode[i]);
if op.has_ic_ext_words() {
if i + 3 < self.bytecode.len() {
self.bytecode[i + 1] = 0;
self.bytecode[i + 2] = 0;
self.bytecode[i + 3] = 0;
}
i += 4;
} else {
i += 1;
}
}
}
pub fn run(&mut self, module: &CompiledModule) -> Result<JsValue, String> {
self.clear_execution_state();
self.sub_modules = Arc::new(module.sub_modules.clone());