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refactor(emit): 寄存器号 u8→u32 全链放宽，vreg 化去 checkpoint/reg_overflow（B005）

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爱特每羊队
2026-08-06 16:31:16 +08:00
parent c52bf6313e
commit 38d6c7a60e
54 changed files with 404 additions and 431 deletions
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crates/oxide_emit/src/expr/identifier.rs
+5 -5
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@@ -8,14 +8,14 @@ use oxide_bytecode::opcode::OpCode;
impl Emitter {
pub(crate) fn emit_identifier_expression(
&self, ident: &oxide_parser::IdentifierReference, ctx: &mut CompileCtx,
) -> Result<u8, String> {
) -> Result<u32, String> {
let name = ident.name.as_str();
for (uv_idx, up) in ctx.current_upvalue_captures.iter().enumerate() {
if up.name == name {
let r = ctx.alloc_reg();
let idx = uv_idx as u8;
ctx.inst(Inst::new(OpCode::LOAD_UPVALUE, Operand::Reg(r as u32), Operand::Reg(idx as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_UPVALUE, Operand::Reg(r), Operand::Reg(idx as u32), Operand::None));
return Ok(r);
}
}
@@ -23,16 +23,16 @@ impl Emitter {
if let Some(&cell_idx) = ctx.captured_bindings.get(name) {
let r = ctx.alloc_reg();
if let Some((binding, _)) = ctx.scopes.symbols.lookup_any_binding(name) {
ctx.inst(Inst::new(OpCode::CELL_GET, Operand::Reg(r as u32), Operand::Reg(binding.reg as u32), Operand::Imm(cell_idx as u16)));
ctx.inst(Inst::new(OpCode::CELL_GET, Operand::Reg(r), Operand::Reg(binding.reg), Operand::Imm(cell_idx as u16)));
} else {
ctx.inst(Inst::new(OpCode::CELL_GET, Operand::Reg(r as u32), Operand::None, Operand::Imm(cell_idx as u16)));
ctx.inst(Inst::new(OpCode::CELL_GET, Operand::Reg(r), Operand::None, Operand::Imm(cell_idx as u16)));
}
return Ok(r);
}
let var_reg = ctx.lookup_or_builtin(name)?;
let r = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(r as u32), Operand::Reg(var_reg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(r), Operand::Reg(var_reg), Operand::None));
Ok(r)
}
}