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refactor: 进一步拆分函数执行逻辑以简化主流程

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This commit is contained in:
爱特每羊队
2026-06-08 07:47:37 +08:00
parent 800386522d
commit ffdb53dac7
5 changed files with 189 additions and 327 deletions
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crates/oxide_vm/src/vm.rs
+20 -323
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@@ -521,27 +521,11 @@ impl Vm {
OpCode::HALT => return Ok(self.regs[0]),
OpCode::LOAD_CONST => {
let idx = opcode::imm16(instr) as usize;
if idx < self.constants.len() {
self.regs[rd] = self.constants[idx];
} else {
return Err(format!("constant index {idx} out of bounds"));
}
self.dispatch_load_const(rd, instr)?;
}
OpCode::ADD => {
let lhs = self.regs[a];
let rhs = self.regs[b];
if lhs.is_string() || rhs.is_string() {
let ls = coercion::to_string(self.kernel.string_forge().as_ref(), lhs);
let rs = coercion::to_string(self.kernel.string_forge().as_ref(), rhs);
let concat = format!("{ls}{rs}");
self.regs[rd] = self.intern(&concat);
} else {
let ln = coercion::to_number(lhs, self.kernel.string_forge().as_ref());
let rn = coercion::to_number(rhs, self.kernel.string_forge().as_ref());
self.regs[rd] = JsValue::float(ln + rn);
}
self.dispatch_add(rd, a, b);
}
OpCode::SUB => {
@@ -566,67 +550,35 @@ impl Vm {
}
OpCode::EQ => {
let eq = coercion::abstract_eq(
self.regs[a],
self.regs[b],
self.kernel.string_forge().as_ref(),
);
self.regs[rd] = JsValue::bool(eq);
self.dispatch_eq(rd, a, b);
}
OpCode::NEQ => {
let ne = !coercion::abstract_eq(
self.regs[a],
self.regs[b],
self.kernel.string_forge().as_ref(),
);
self.regs[rd] = JsValue::bool(ne);
self.dispatch_neq(rd, a, b);
}
OpCode::LT => {
let rel = coercion::relational_compare(
self.kernel.string_forge().as_ref(),
self.regs[a],
self.regs[b],
);
self.regs[rd] = JsValue::bool(rel.unwrap_or(false));
self.dispatch_lt(rd, a, b);
}
OpCode::GT => {
let rel = coercion::relational_compare(
self.kernel.string_forge().as_ref(),
self.regs[b],
self.regs[a],
);
self.regs[rd] = JsValue::bool(rel.unwrap_or(false));
self.dispatch_gt(rd, a, b);
}
OpCode::LTE => {
let rel = coercion::relational_compare(
self.kernel.string_forge().as_ref(),
self.regs[b],
self.regs[a],
);
self.regs[rd] = JsValue::bool(!rel.unwrap_or(true));
self.dispatch_lte(rd, a, b);
}
OpCode::GTE => {
let rel = coercion::relational_compare(
self.kernel.string_forge().as_ref(),
self.regs[a],
self.regs[b],
);
self.regs[rd] = JsValue::bool(!rel.unwrap_or(true));
self.dispatch_gte(rd, a, b);
}
OpCode::STRICT_EQ => {
let eq = coercion::strict_equality(self.regs[a], self.regs[b]);
self.regs[rd] = JsValue::bool(eq);
self.dispatch_strict_eq(rd, a, b);
}
OpCode::STRICT_NEQ => {
let ne = !coercion::strict_equality(self.regs[a], self.regs[b]);
self.regs[rd] = JsValue::bool(ne);
self.dispatch_strict_neq(rd, a, b);
}
OpCode::UNARY_PLUS => {
@@ -1195,28 +1147,7 @@ impl Vm {
}
OpCode::TYPEOF => {
let val = self.regs[a];
let result = if val.is_undefined() {
"undefined"
} else if val.is_null() {
"object"
} else if val.is_bool() {
"boolean"
} else if val.is_int() || val.is_double() {
"number"
} else if val.is_string() {
"string"
} else if val.is_object() {
let obj = unsafe { &*val.as_js_object_ptr() };
if obj.is_function() {
"function"
} else {
"object"
}
} else {
"undefined"
};
self.regs[rd] = self.intern(result);
self.dispatch_typeof(rd, a);
}
OpCode::VOID => {
@@ -1240,21 +1171,15 @@ impl Vm {
}
OpCode::NOT => {
let cond =
coercion::to_boolean(self.regs[a], self.kernel.string_forge().as_ref());
self.regs[rd] = JsValue::bool(!cond);
self.dispatch_not(rd, a);
}
OpCode::AND => {
let cond =
coercion::to_boolean(self.regs[a], self.kernel.string_forge().as_ref());
self.regs[rd] = if cond { self.regs[b] } else { self.regs[a] };
self.dispatch_and(rd, a, b);
}
OpCode::OR => {
let cond =
coercion::to_boolean(self.regs[a], self.kernel.string_forge().as_ref());
self.regs[rd] = if cond { self.regs[a] } else { self.regs[b] };
self.dispatch_or(rd, a, b);
}
OpCode::INC_PRE => {
@@ -1430,45 +1355,7 @@ impl Vm {
}
let obj = unsafe { &mut *obj_ptr };
let prop_name_si = self.regs[b].as_string_index();
let ext0 = self.bytecode[self.pc];
let ext1 = self.bytecode[self.pc + 1];
let ext2 = self.bytecode[self.pc + 2];
self.pc += 3;
let cached_shape_id = ext0 & 0x00FF_FFFF;
let cached_ptr = ((ext2 as u64) << 32) | (ext1 as u64);
let prop_val = if cached_shape_id != 0
&& cached_shape_id == obj.shape_id()
&& cached_ptr != 0
{
unsafe { *(cached_ptr as *const JsValue) }
} else if let Some(template) =
self.kernel.prop_forge().get_template(obj.shape_id())
{
if let Some(ptr) = self.template_prop_ptr(obj, &template) {
self.bytecode[self.pc - 3] = obj.shape_id() & 0x00FF_FFFF;
self.bytecode[self.pc - 2] = ptr as u32;
self.bytecode[self.pc - 1] = (ptr as u64 >> 32) as u32;
unsafe { *ptr }
} else {
self.resolve_property(obj, prop_name_si)
.unwrap_or(JsValue::undefined())
}
} else if let Some(val) = self.resolve_property(obj, prop_name_si) {
let pos = self
.kernel
.shape_forge()
.lookup_position(obj.shape_id(), prop_name_si)
.unwrap_or(0);
if let Some(ptr) = obj.prop_ptr_at(pos) {
self.bytecode[self.pc - 3] = obj.shape_id() & 0x00FF_FFFF;
self.bytecode[self.pc - 2] = ptr as u32;
self.bytecode[self.pc - 1] = (ptr as u64 >> 32) as u32;
}
val
} else {
JsValue::undefined()
};
let prop_val = member_read_prop!(self, obj, prop_name_si);
let rhs = self.regs[a];
let new_val = if prop_val.is_string() || rhs.is_string() {
@@ -1493,45 +1380,7 @@ impl Vm {
}
let obj = unsafe { &mut *obj_ptr };
let prop_name_si = self.regs[b].as_string_index();
let ext0 = self.bytecode[self.pc];
let ext1 = self.bytecode[self.pc + 1];
let ext2 = self.bytecode[self.pc + 2];
self.pc += 3;
let cached_shape_id = ext0 & 0x00FF_FFFF;
let cached_ptr = ((ext2 as u64) << 32) | (ext1 as u64);
let prop_val = if cached_shape_id != 0
&& cached_shape_id == obj.shape_id()
&& cached_ptr != 0
{
unsafe { *(cached_ptr as *const JsValue) }
} else if let Some(template) =
self.kernel.prop_forge().get_template(obj.shape_id())
{
if let Some(ptr) = self.template_prop_ptr(obj, &template) {
self.bytecode[self.pc - 3] = obj.shape_id() & 0x00FF_FFFF;
self.bytecode[self.pc - 2] = ptr as u32;
self.bytecode[self.pc - 1] = (ptr as u64 >> 32) as u32;
unsafe { *ptr }
} else {
self.resolve_property(obj, prop_name_si)
.unwrap_or(JsValue::undefined())
}
} else if let Some(val) = self.resolve_property(obj, prop_name_si) {
let pos = self
.kernel
.shape_forge()
.lookup_position(obj.shape_id(), prop_name_si)
.unwrap_or(0);
if let Some(ptr) = obj.prop_ptr_at(pos) {
self.bytecode[self.pc - 3] = obj.shape_id() & 0x00FF_FFFF;
self.bytecode[self.pc - 2] = ptr as u32;
self.bytecode[self.pc - 1] = (ptr as u64 >> 32) as u32;
}
val
} else {
JsValue::undefined()
};
let prop_val = member_read_prop!(self, obj, prop_name_si);
let ln = coercion::to_number(prop_val, self.kernel.string_forge().as_ref());
let rn = coercion::to_number(self.regs[a], self.kernel.string_forge().as_ref());
@@ -1547,45 +1396,7 @@ impl Vm {
}
let obj = unsafe { &mut *obj_ptr };
let prop_name_si = self.regs[b].as_string_index();
let ext0 = self.bytecode[self.pc];
let ext1 = self.bytecode[self.pc + 1];
let ext2 = self.bytecode[self.pc + 2];
self.pc += 3;
let cached_shape_id = ext0 & 0x00FF_FFFF;
let cached_ptr = ((ext2 as u64) << 32) | (ext1 as u64);
let prop_val = if cached_shape_id != 0
&& cached_shape_id == obj.shape_id()
&& cached_ptr != 0
{
unsafe { *(cached_ptr as *const JsValue) }
} else if let Some(template) =
self.kernel.prop_forge().get_template(obj.shape_id())
{
if let Some(ptr) = self.template_prop_ptr(obj, &template) {
self.bytecode[self.pc - 3] = obj.shape_id() & 0x00FF_FFFF;
self.bytecode[self.pc - 2] = ptr as u32;
self.bytecode[self.pc - 1] = (ptr as u64 >> 32) as u32;
unsafe { *ptr }
} else {
self.resolve_property(obj, prop_name_si)
.unwrap_or(JsValue::undefined())
}
} else if let Some(val) = self.resolve_property(obj, prop_name_si) {
let pos = self
.kernel
.shape_forge()
.lookup_position(obj.shape_id(), prop_name_si)
.unwrap_or(0);
if let Some(ptr) = obj.prop_ptr_at(pos) {
self.bytecode[self.pc - 3] = obj.shape_id() & 0x00FF_FFFF;
self.bytecode[self.pc - 2] = ptr as u32;
self.bytecode[self.pc - 1] = (ptr as u64 >> 32) as u32;
}
val
} else {
JsValue::undefined()
};
let prop_val = member_read_prop!(self, obj, prop_name_si);
let ln = coercion::to_number(prop_val, self.kernel.string_forge().as_ref());
let rn = coercion::to_number(self.regs[a], self.kernel.string_forge().as_ref());
@@ -1601,45 +1412,7 @@ impl Vm {
}
let obj = unsafe { &mut *obj_ptr };
let prop_name_si = self.regs[b].as_string_index();
let ext0 = self.bytecode[self.pc];
let ext1 = self.bytecode[self.pc + 1];
let ext2 = self.bytecode[self.pc + 2];
self.pc += 3;
let cached_shape_id = ext0 & 0x00FF_FFFF;
let cached_ptr = ((ext2 as u64) << 32) | (ext1 as u64);
let prop_val = if cached_shape_id != 0
&& cached_shape_id == obj.shape_id()
&& cached_ptr != 0
{
unsafe { *(cached_ptr as *const JsValue) }
} else if let Some(template) =
self.kernel.prop_forge().get_template(obj.shape_id())
{
if let Some(ptr) = self.template_prop_ptr(obj, &template) {
self.bytecode[self.pc - 3] = obj.shape_id() & 0x00FF_FFFF;
self.bytecode[self.pc - 2] = ptr as u32;
self.bytecode[self.pc - 1] = (ptr as u64 >> 32) as u32;
unsafe { *ptr }
} else {
self.resolve_property(obj, prop_name_si)
.unwrap_or(JsValue::undefined())
}
} else if let Some(val) = self.resolve_property(obj, prop_name_si) {
let pos = self
.kernel
.shape_forge()
.lookup_position(obj.shape_id(), prop_name_si)
.unwrap_or(0);
if let Some(ptr) = obj.prop_ptr_at(pos) {
self.bytecode[self.pc - 3] = obj.shape_id() & 0x00FF_FFFF;
self.bytecode[self.pc - 2] = ptr as u32;
self.bytecode[self.pc - 1] = (ptr as u64 >> 32) as u32;
}
val
} else {
JsValue::undefined()
};
let prop_val = member_read_prop!(self, obj, prop_name_si);
let ln = coercion::to_number(prop_val, self.kernel.string_forge().as_ref());
let rn = coercion::to_number(self.regs[a], self.kernel.string_forge().as_ref());
@@ -1655,45 +1428,7 @@ impl Vm {
}
let obj = unsafe { &mut *obj_ptr };
let prop_name_si = self.regs[b].as_string_index();
let ext0 = self.bytecode[self.pc];
let ext1 = self.bytecode[self.pc + 1];
let ext2 = self.bytecode[self.pc + 2];
self.pc += 3;
let cached_shape_id = ext0 & 0x00FF_FFFF;
let cached_ptr = ((ext2 as u64) << 32) | (ext1 as u64);
let prop_val = if cached_shape_id != 0
&& cached_shape_id == obj.shape_id()
&& cached_ptr != 0
{
unsafe { *(cached_ptr as *const JsValue) }
} else if let Some(template) =
self.kernel.prop_forge().get_template(obj.shape_id())
{
if let Some(ptr) = self.template_prop_ptr(obj, &template) {
self.bytecode[self.pc - 3] = obj.shape_id() & 0x00FF_FFFF;
self.bytecode[self.pc - 2] = ptr as u32;
self.bytecode[self.pc - 1] = (ptr as u64 >> 32) as u32;
unsafe { *ptr }
} else {
self.resolve_property(obj, prop_name_si)
.unwrap_or(JsValue::undefined())
}
} else if let Some(val) = self.resolve_property(obj, prop_name_si) {
let pos = self
.kernel
.shape_forge()
.lookup_position(obj.shape_id(), prop_name_si)
.unwrap_or(0);
if let Some(ptr) = obj.prop_ptr_at(pos) {
self.bytecode[self.pc - 3] = obj.shape_id() & 0x00FF_FFFF;
self.bytecode[self.pc - 2] = ptr as u32;
self.bytecode[self.pc - 1] = (ptr as u64 >> 32) as u32;
}
val
} else {
JsValue::undefined()
};
let prop_val = member_read_prop!(self, obj, prop_name_si);
let ln = coercion::to_number(prop_val, self.kernel.string_forge().as_ref());
let rn = coercion::to_number(self.regs[a], self.kernel.string_forge().as_ref());
@@ -1709,45 +1444,7 @@ impl Vm {
}
let obj = unsafe { &mut *obj_ptr };
let prop_name_si = self.regs[b].as_string_index();
let ext0 = self.bytecode[self.pc];
let ext1 = self.bytecode[self.pc + 1];
let ext2 = self.bytecode[self.pc + 2];
self.pc += 3;
let cached_shape_id = ext0 & 0x00FF_FFFF;
let cached_ptr = ((ext2 as u64) << 32) | (ext1 as u64);
let prop_val = if cached_shape_id != 0
&& cached_shape_id == obj.shape_id()
&& cached_ptr != 0
{
unsafe { *(cached_ptr as *const JsValue) }
} else if let Some(template) =
self.kernel.prop_forge().get_template(obj.shape_id())
{
if let Some(ptr) = self.template_prop_ptr(obj, &template) {
self.bytecode[self.pc - 3] = obj.shape_id() & 0x00FF_FFFF;
self.bytecode[self.pc - 2] = ptr as u32;
self.bytecode[self.pc - 1] = (ptr as u64 >> 32) as u32;
unsafe { *ptr }
} else {
self.resolve_property(obj, prop_name_si)
.unwrap_or(JsValue::undefined())
}
} else if let Some(val) = self.resolve_property(obj, prop_name_si) {
let pos = self
.kernel
.shape_forge()
.lookup_position(obj.shape_id(), prop_name_si)
.unwrap_or(0);
if let Some(ptr) = obj.prop_ptr_at(pos) {
self.bytecode[self.pc - 3] = obj.shape_id() & 0x00FF_FFFF;
self.bytecode[self.pc - 2] = ptr as u32;
self.bytecode[self.pc - 1] = (ptr as u64 >> 32) as u32;
}
val
} else {
JsValue::undefined()
};
let prop_val = member_read_prop!(self, obj, prop_name_si);
let ln = coercion::to_number(prop_val, self.kernel.string_forge().as_ref());
let rn = coercion::to_number(self.regs[a], self.kernel.string_forge().as_ref());