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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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彭俊皓
2026-06-25 19:22:16 +08:00
parent 00c38ba5f9
commit d195d7615c
16 changed files with 835 additions and 563 deletions
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crates/oxide_vm/src/dispatch/control_flow.rs
+33
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@@ -1,8 +1,41 @@
use crate::coercion;
use crate::vm::Vm;
use oxide_bytecode::opcode::{self, Instr};
use oxide_types::value::JsValue;
impl Vm {
#[inline(always)]
pub(crate) fn dispatch_jmp(&mut self, instr: Instr) {
let offset = opcode::offset16(instr) as isize;
self.pc = ((self.pc as isize) + offset - 1) as usize;
}
#[inline(always)]
pub(crate) fn dispatch_jmp_if_false(&mut self, rd: usize, instr: Instr) {
let cond = coercion::to_boolean(self.regs[rd]);
if !cond {
let offset = opcode::offset16(instr) as isize;
self.pc = ((self.pc as isize) + offset - 1) as usize;
}
}
#[inline(always)]
pub(crate) fn dispatch_jmp_if_true(&mut self, rd: usize, instr: Instr) {
let cond = coercion::to_boolean(self.regs[rd]);
if cond {
let offset = opcode::offset16(instr) as isize;
self.pc = ((self.pc as isize) + offset - 1) as usize;
}
}
#[inline(always)]
pub(crate) fn dispatch_jmp_if_nullish(&mut self, rd: usize, instr: Instr) {
if self.regs[rd].is_nullish() {
let offset = opcode::offset16(instr) as isize;
self.pc = ((self.pc as isize) + offset - 1) as usize;
}
}
#[inline(always)]
pub(crate) fn dispatch_and(&mut self, rd: usize, a: usize, b: usize) {
let val = self.regs[a];