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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/assignment.rs
+23 -23
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@@ -11,7 +11,7 @@ use oxide_parser::AssignmentOperator;
impl Emitter {
pub(crate) fn emit_assignment_expression(
&self, assign: &oxide_parser::AssignmentExpression, ctx: &mut CompileCtx,
) -> Result<u8, String> {
) -> Result<u32, String> {
if let oxide_parser::AssignmentTarget::StaticMemberExpression(member) = &assign.left {
if let Some(logical_op) = assign.operator.to_logical_operator() {
let store_label = ctx.next_label_id();
@@ -20,15 +20,15 @@ impl Emitter {
let prop_name = member.property.name.as_str();
let idx = ctx.add_constant(Constant::String(prop_name.to_string()));
let key_reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(key_reg as u32), idx));
ctx.inst(Inst::load_const(Operand::Reg(key_reg), idx));
let result_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg as u32), Operand::Reg(obj_reg as u32), Operand::None));
ctx.inst(Inst::ic_get(Operand::Reg(result_reg as u32), Operand::Reg(key_reg as u32)));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg), Operand::Reg(obj_reg), Operand::None));
ctx.inst(Inst::ic_get(Operand::Reg(result_reg), Operand::Reg(key_reg)));
self.emit_logical_assign_test(logical_op, result_reg, store_label, end_label, ctx)?;
ctx.labels.set_label_pos(store_label, ctx.insts.len());
let val_reg = self.emit_expression(&assign.right, ctx)?;
ctx.inst(Inst::ic_set(Operand::Reg(obj_reg as u32), Operand::Reg(val_reg as u32), Operand::Reg(key_reg as u32)));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg as u32), Operand::Reg(val_reg as u32), Operand::None));
ctx.inst(Inst::ic_set(Operand::Reg(obj_reg), Operand::Reg(val_reg), Operand::Reg(key_reg)));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg), Operand::Reg(val_reg), Operand::None));
ctx.labels.set_label_pos(end_label, ctx.insts.len());
return Ok(result_reg);
}
@@ -37,11 +37,11 @@ impl Emitter {
let prop_name = member.property.name.as_str();
let idx = ctx.add_constant(Constant::String(prop_name.to_string()));
let key_reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(key_reg as u32), idx));
ctx.inst(Inst::load_const(Operand::Reg(key_reg), idx));
if assign.operator != AssignmentOperator::Assign {
let obj = Operand::Reg(obj_reg as u32);
let val = Operand::Reg(val_reg as u32);
let key = Operand::Reg(key_reg as u32);
let obj = Operand::Reg(obj_reg);
let val = Operand::Reg(val_reg);
let key = Operand::Reg(key_reg);
match assign.operator {
AssignmentOperator::Addition => ctx.inst(Inst::compound_member_add(obj, val, key)),
AssignmentOperator::Subtraction => ctx.inst(Inst::compound_member_sub(obj, val, key)),
@@ -53,7 +53,7 @@ impl Emitter {
}
Ok(val_reg)
} else {
ctx.inst(Inst::ic_set(Operand::Reg(obj_reg as u32), Operand::Reg(val_reg as u32), Operand::Reg(key_reg as u32)));
ctx.inst(Inst::ic_set(Operand::Reg(obj_reg), Operand::Reg(val_reg), Operand::Reg(key_reg)));
Ok(val_reg)
}
} else if let oxide_parser::AssignmentTarget::ComputedMemberExpression(member) = &assign.left {
@@ -63,19 +63,19 @@ impl Emitter {
let obj_reg = self.emit_expression(&member.object, ctx)?;
let key_reg = self.emit_expression(&member.expression, ctx)?;
let result_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::GET_PROP_DYNAMIC, Operand::Reg(obj_reg as u32), Operand::Reg(key_reg as u32), Operand::Reg(result_reg as u32)));
ctx.inst(Inst::new(OpCode::GET_PROP_DYNAMIC, Operand::Reg(obj_reg), Operand::Reg(key_reg), Operand::Reg(result_reg)));
self.emit_logical_assign_test(logical_op, result_reg, store_label, end_label, ctx)?;
ctx.labels.set_label_pos(store_label, ctx.insts.len());
let val_reg = self.emit_expression(&assign.right, ctx)?;
ctx.inst(Inst::new(OpCode::SET_PROP_DYNAMIC, Operand::Reg(obj_reg as u32), Operand::Reg(key_reg as u32), Operand::Reg(val_reg as u32)));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg as u32), Operand::Reg(val_reg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::SET_PROP_DYNAMIC, Operand::Reg(obj_reg), Operand::Reg(key_reg), Operand::Reg(val_reg)));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg), Operand::Reg(val_reg), Operand::None));
ctx.labels.set_label_pos(end_label, ctx.insts.len());
return Ok(result_reg);
}
let obj_reg = self.emit_expression(&member.object, ctx)?;
let key_reg = self.emit_expression(&member.expression, ctx)?;
let val_reg = self.emit_expression(&assign.right, ctx)?;
ctx.inst(Inst::new(OpCode::SET_PROP_DYNAMIC, Operand::Reg(obj_reg as u32), Operand::Reg(key_reg as u32), Operand::Reg(val_reg as u32)));
ctx.inst(Inst::new(OpCode::SET_PROP_DYNAMIC, Operand::Reg(obj_reg), Operand::Reg(key_reg), Operand::Reg(val_reg)));
Ok(val_reg)
} else if let oxide_parser::AssignmentTarget::PrivateFieldExpression(member) = &assign.left {
if assign.operator != AssignmentOperator::Assign {
@@ -84,7 +84,7 @@ impl Emitter {
let obj_reg = self.emit_expression(&member.object, ctx)?;
let val_reg = self.emit_expression(&assign.right, ctx)?;
let key_reg = self.emit_private_id_reg(member.field.name.as_str(), ctx)?;
ctx.inst(Inst::new(OpCode::SET_PRIVATE, Operand::Reg(obj_reg as u32), Operand::Reg(val_reg as u32), Operand::Reg(key_reg as u32)));
ctx.inst(Inst::new(OpCode::SET_PRIVATE, Operand::Reg(obj_reg), Operand::Reg(val_reg), Operand::Reg(key_reg)));
Ok(val_reg)
} else if let oxide_parser::AssignmentTarget::AssignmentTargetIdentifier(id_ref) = &assign.left {
if assign.operator != AssignmentOperator::Assign {
@@ -94,14 +94,14 @@ impl Emitter {
let name = id_ref.name.as_str();
let var_reg = ctx.lookup_or_global(name);
let result_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg as u32), Operand::Reg(var_reg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg), Operand::Reg(var_reg), Operand::None));
self.emit_logical_assign_test(logical_op, result_reg, store_label, end_label, ctx)?;
ctx.labels.set_label_pos(store_label, ctx.insts.len());
let val_reg = self.emit_expression(&assign.right, ctx)?;
let is_const = ctx.lookup_const_flag(name);
let const_flag = if is_const { 1 } else { 0 };
ctx.inst(Inst::new(OpCode::STORE_VAR, Operand::Reg(var_reg as u32), Operand::Reg(val_reg as u32), Operand::Imm(const_flag)));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg as u32), Operand::Reg(val_reg as u32), Operand::None));
ctx.inst(Inst::new(OpCode::STORE_VAR, Operand::Reg(var_reg), Operand::Reg(val_reg), Operand::Imm(const_flag)));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg), Operand::Reg(val_reg), Operand::None));
ctx.labels.set_label_pos(end_label, ctx.insts.len());
Ok(result_reg)
} else if assign.operator == AssignmentOperator::Addition
@@ -135,7 +135,7 @@ impl Emitter {
AssignmentOperator::ShiftRightZeroFill => OpCode::COMPOUND_USHR,
_ => return Err(format!("compound assignment operator {:?} not supported", assign.operator)),
};
ctx.inst(Inst::new(op, Operand::Reg(var_reg as u32), Operand::Reg(rhs as u32), Operand::None));
ctx.inst(Inst::new(op, Operand::Reg(var_reg), Operand::Reg(rhs), Operand::None));
Ok(var_reg)
} else {
Err(format!("compound assignment operator {:?} not supported", assign.operator))
@@ -145,18 +145,18 @@ impl Emitter {
let name = id_ref.name.as_str();
// Check if target is an upvalue reference
if let Some(uv_idx) = ctx.current_upvalue_captures.iter().position(|u| u.name == name) {
ctx.inst(Inst::new(OpCode::STORE_UPVALUE, Operand::None, Operand::Reg(val_reg as u32), Operand::Imm(uv_idx as u16)));
ctx.inst(Inst::new(OpCode::STORE_UPVALUE, Operand::None, Operand::Reg(val_reg), Operand::Imm(uv_idx as u16)));
return Ok(val_reg);
}
// Check if target is a captured cell
if let Some(&cell_idx) = ctx.captured_bindings.get(name) {
ctx.inst(Inst::new(OpCode::CELL_SET, Operand::None, Operand::Reg(val_reg as u32), Operand::Imm(cell_idx as u16)));
ctx.inst(Inst::new(OpCode::CELL_SET, Operand::None, Operand::Reg(val_reg), Operand::Imm(cell_idx as u16)));
return Ok(val_reg);
}
let var_reg = ctx.lookup_or_global(name);
let is_const = ctx.lookup_const_flag(name);
let const_flag = if is_const { 1 } else { 0 };
ctx.inst(Inst::new(OpCode::STORE_VAR, Operand::Reg(var_reg as u32), Operand::Reg(val_reg as u32), Operand::Imm(const_flag)));
ctx.inst(Inst::new(OpCode::STORE_VAR, Operand::Reg(var_reg), Operand::Reg(val_reg), Operand::Imm(const_flag)));
Ok(val_reg)
}
} else if matches!(