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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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This commit is contained in:
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/call.rs
+20 -20
View File
@@ -9,7 +9,7 @@ use oxide_bytecode::opcode::OpCode;
use oxide_parser::Expression;
impl Emitter {
fn emit_call_expression(&self, call: &oxide_parser::CallExpression, ctx: &mut CompileCtx) -> Result<u8, String> {
fn emit_call_expression(&self, call: &oxide_parser::CallExpression, ctx: &mut CompileCtx) -> Result<u32, String> {
if matches!(&call.callee, Expression::Super(_)) {
if !ctx.in_derived_constructor {
return Err("super() only supported in derived constructors".into());
@@ -20,11 +20,11 @@ impl Emitter {
arg_regs.push(self.emit_expression(expr, ctx)?);
}
}
let first_arg_reg = if arg_regs.is_empty() { 0u8 } else { arg_regs[0] };
let first_arg_reg = if arg_regs.is_empty() { 0u32 } else { arg_regs[0] };
let result_reg = ctx.alloc_reg();
ctx.inst(Inst::super_call(
Operand::Reg(result_reg as u32),
Operand::Reg(first_arg_reg as u32),
Operand::Reg(result_reg),
Operand::Reg(first_arg_reg),
arg_regs.len() as u8,
));
if let Some(mut field_buffer) = ctx.field_buffer.take() {
@@ -41,14 +41,14 @@ impl Emitter {
let obj_reg = self.emit_expression(&member.object, ctx)?;
let key_reg = self.emit_private_id_reg(member.field.name.as_str(), ctx)?;
let callee_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::GET_PRIVATE, Operand::Reg(callee_reg as u32), Operand::Reg(obj_reg as u32), Operand::Reg(key_reg as u32)));
ctx.inst(Inst::new(OpCode::GET_PRIVATE, Operand::Reg(callee_reg), Operand::Reg(obj_reg), Operand::Reg(key_reg)));
(callee_reg, obj_reg)
}
Expression::StaticMemberExpression(member) => {
let is_super_member = matches!(&member.object, Expression::Super(_));
let obj_reg = if is_super_member {
let this_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(this_reg as u32), Operand::This, Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(this_reg), Operand::This, Operand::None));
this_reg
} else {
self.emit_expression(&member.object, ctx)?
@@ -56,7 +56,7 @@ 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 callee_reg = ctx.alloc_reg();
if is_super_member {
if !ctx.in_instance_method && !ctx.in_static_method && !ctx.in_derived_constructor {
@@ -67,10 +67,10 @@ impl Emitter {
} else {
OpCode::SUPER_GET_PROP
};
ctx.inst(Inst::new(op, Operand::Reg(callee_reg as u32), Operand::Reg(obj_reg as u32), Operand::Reg(key_reg as u32)));
ctx.inst(Inst::new(op, Operand::Reg(callee_reg), Operand::Reg(obj_reg), Operand::Reg(key_reg)));
} else {
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(callee_reg as u32), Operand::Reg(obj_reg as u32), Operand::None));
ctx.inst(Inst::ic_get(Operand::Reg(callee_reg as u32), Operand::Reg(key_reg as u32)));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(callee_reg), Operand::Reg(obj_reg), Operand::None));
ctx.inst(Inst::ic_get(Operand::Reg(callee_reg), Operand::Reg(key_reg)));
}
(callee_reg, obj_reg)
}
@@ -78,7 +78,7 @@ impl Emitter {
let callee_reg = self.emit_expression(&call.callee, ctx)?;
let this_idx = ctx.add_constant(Constant::Undefined);
let this_reg = ctx.alloc_reg();
ctx.inst(Inst::load_const(Operand::Reg(this_reg as u32), this_idx));
ctx.inst(Inst::load_const(Operand::Reg(this_reg), this_idx));
(callee_reg, this_reg)
}
};
@@ -88,7 +88,7 @@ impl Emitter {
arg_regs.push(self.emit_expression(expr, ctx)?);
}
}
let first_arg_reg = if arg_regs.is_empty() { 0u8 } else { arg_regs[0] };
let first_arg_reg = if arg_regs.is_empty() { 0u32 } else { arg_regs[0] };
let op = match &call.callee {
Expression::Identifier(ident) if ctx.is_builtin(ident.name.as_str()) => OpCode::CALL_NATIVE,
_ => OpCode::CALL,
@@ -96,28 +96,28 @@ impl Emitter {
match op {
OpCode::CALL => {
ctx.inst(Inst::call(
Operand::Reg(callee_reg as u32),
Operand::Reg(this_reg as u32),
Operand::Reg(first_arg_reg as u32),
Operand::Reg(callee_reg),
Operand::Reg(this_reg),
Operand::Reg(first_arg_reg),
arg_regs.len() as u8,
));
}
OpCode::CALL_NATIVE => {
ctx.inst(Inst::call_native(
Operand::Reg(callee_reg as u32),
Operand::Reg(this_reg as u32),
Operand::Reg(first_arg_reg as u32),
Operand::Reg(callee_reg),
Operand::Reg(this_reg),
Operand::Reg(first_arg_reg),
arg_regs.len() as u8,
));
}
_ => unreachable!(),
}
let result_reg = ctx.alloc_reg();
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg as u32), Operand::None, Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg), Operand::None, Operand::None));
Ok(result_reg)
}
pub(crate) fn emit_call_domain(&self, expr: &Expression, ctx: &mut CompileCtx) -> Result<u8, String> {
pub(crate) fn emit_call_domain(&self, expr: &Expression, ctx: &mut CompileCtx) -> Result<u32, String> {
match expr {
Expression::CallExpression(call) => self.emit_call_expression(call, ctx),
_ => self.emit_unsupported_expression(expr, ctx),