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

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彭俊皓
2026-08-06 16:31:16 +08:00
parent 5988696f5b
commit 224d1347eb
54 changed files with 404 additions and 431 deletions
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crates/oxide_emit/src/stmt/declaration/var.rs
+4 -4
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@@ -10,7 +10,7 @@ use oxide_parser::{BindingPattern, Expression, Statement, VariableDeclarationKin
impl Emitter {
pub(crate) fn emit_variable_declaration_statement(
&self, stmt: &Statement, ctx: &mut CompileCtx,
) -> Result<Option<u8>, String> {
) -> Result<Option<u32>, String> {
let Statement::VariableDeclaration(decl) = stmt else {
return Ok(None);
};
@@ -37,7 +37,7 @@ impl Emitter {
};
let idx = ctx.add_constant(Constant::Undefined);
let tmp = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(tmp as u32), idx));
ctx.inst(Inst::load_const(Operand::Reg(tmp), idx));
let var_reg = ctx.alloc_reg();
let target_reg = if matches!(decl.kind, VariableDeclarationKind::Var) {
match ctx.declare(bi.name.as_str(), var_reg, decl.kind, is_const) {
@@ -49,9 +49,9 @@ impl Emitter {
var_reg
};
if let Some(&cell_idx) = ctx.captured_bindings.get(bi.name.as_str()) {
ctx.inst(Inst::new(OpCode::MAKE_CELL, Operand::Reg(tmp as u32), Operand::Imm(cell_idx as u16), Operand::None));
ctx.inst(Inst::new(OpCode::MAKE_CELL, Operand::Reg(tmp), Operand::Imm(cell_idx as u16), Operand::None));
} else {
ctx.inst(Inst::new(OpCode::STORE_VAR, Operand::Reg(target_reg as u32), Operand::Reg(tmp as u32), Operand::None));
ctx.inst(Inst::new(OpCode::STORE_VAR, Operand::Reg(target_reg), Operand::Reg(tmp), Operand::None));
}
ctx.init_var(bi.name.as_str());
r = Some(var_reg);