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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/control.rs
+6 -6
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@@ -8,7 +8,7 @@ use oxide_bytecode::opcode::OpCode;
use oxide_parser::Statement;
impl Emitter {
fn emit_if_statement(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u8>, String> {
fn emit_if_statement(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u32>, String> {
let Statement::IfStatement(ifs) = stmt else {
return Ok(None);
};
@@ -22,10 +22,10 @@ impl Emitter {
let cons_reg = self.emit_statement(&ifs.consequent, ctx)?;
let result_reg = ctx.alloc_reg();
if let Some(r) = cons_reg {
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg as u32), Operand::Reg(r as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg), Operand::Reg(r), Operand::None));
} else {
let undef_idx = ctx.add_constant(Constant::Undefined);
ctx.inst(Inst::load_const(Operand::Reg(result_reg as u32), undef_idx));
ctx.inst(Inst::load_const(Operand::Reg(result_reg), undef_idx));
}
if ifs.alternate.is_some() {
@@ -36,10 +36,10 @@ impl Emitter {
if let Some(alt) = &ifs.alternate {
let alt_reg = self.emit_statement(alt, ctx)?;
if let Some(r) = alt_reg {
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg as u32), Operand::Reg(r as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg), Operand::Reg(r), Operand::None));
} else {
let undef_idx = ctx.add_constant(Constant::Undefined);
ctx.inst(Inst::load_const(Operand::Reg(result_reg as u32), undef_idx));
ctx.inst(Inst::load_const(Operand::Reg(result_reg), undef_idx));
}
}
@@ -48,7 +48,7 @@ impl Emitter {
Ok(Some(result_reg))
}
pub(crate) fn emit_control_domain(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u8>, String> {
pub(crate) fn emit_control_domain(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u32>, String> {
match stmt {
Statement::IfStatement(_) => self.emit_if_statement(stmt, ctx),
_ => Ok(None),