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feat: 支持 Math 对象及核心成员方法

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This commit is contained in:
爱特每羊队
2026-06-07 11:07:02 +08:00
parent 7667d9cfb0
commit e2d5893205
5 changed files with 559 additions and 0 deletions
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crates/oxide_vm/src/vm.rs
+270
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@@ -40,6 +40,7 @@ pub struct Vm {
interned_strings: Vec<u32>,
pub epoch: Epoch,
pub object_prototype: P<JsObject>,
pub math_rng_state: u64,
}
pub fn init_kernel_builtins(kernel: &Arc<OxideKernel>) {
@@ -221,6 +222,256 @@ pub fn init_kernel_builtins(kernel: &Arc<OxideKernel>) {
pf_fn,
1,
);
let math_ptr = kernel.builtin_world().math_object.as_ptr() as *mut JsObject;
let math = unsafe { &mut *math_ptr };
let sf = kernel.string_forge().as_ref();
let sh = kernel.shape_forge().as_ref();
let _ = oxide_kernel::builtin::BuiltinWorld::bind_method(
math,
sh,
sf,
"abs",
crate::builtins::math::math_abs as *const (),
1,
);
let _ = oxide_kernel::builtin::BuiltinWorld::bind_method(
math,
sh,
sf,
"acos",
crate::builtins::math::math_acos as *const (),
1,
);
let _ = oxide_kernel::builtin::BuiltinWorld::bind_method(
math,
sh,
sf,
"asin",
crate::builtins::math::math_asin as *const (),
1,
);
let _ = oxide_kernel::builtin::BuiltinWorld::bind_method(
math,
sh,
sf,
"atan",
crate::builtins::math::math_atan as *const (),
1,
);
let _ = oxide_kernel::builtin::BuiltinWorld::bind_method(
math,
sh,
sf,
"atan2",
crate::builtins::math::math_atan2 as *const (),
2,
);
let _ = oxide_kernel::builtin::BuiltinWorld::bind_method(
math,
sh,
sf,
"cbrt",
crate::builtins::math::math_cbrt as *const (),
1,
);
let _ = oxide_kernel::builtin::BuiltinWorld::bind_method(
math,
sh,
sf,
"ceil",
crate::builtins::math::math_ceil as *const (),
1,
);
let _ = oxide_kernel::builtin::BuiltinWorld::bind_method(
math,
sh,
sf,
"cos",
crate::builtins::math::math_cos as *const (),
1,
);
let _ = oxide_kernel::builtin::BuiltinWorld::bind_method(
math,
sh,
sf,
"cosh",
crate::builtins::math::math_cosh as *const (),
1,
);
let _ = oxide_kernel::builtin::BuiltinWorld::bind_method(
math,
sh,
sf,
"exp",
crate::builtins::math::math_exp as *const (),
1,
);
let _ = oxide_kernel::builtin::BuiltinWorld::bind_method(
math,
sh,
sf,
"floor",
crate::builtins::math::math_floor as *const (),
1,
);
let _ = oxide_kernel::builtin::BuiltinWorld::bind_method(
math,
sh,
sf,
"hypot",
crate::builtins::math::math_hypot as *const (),
2,
);
let _ = oxide_kernel::builtin::BuiltinWorld::bind_method(
math,
sh,
sf,
"imul",
crate::builtins::math::math_imul as *const (),
2,
);
let _ = oxide_kernel::builtin::BuiltinWorld::bind_method(
math,
sh,
sf,
"log",
crate::builtins::math::math_log as *const (),
1,
);
let _ = oxide_kernel::builtin::BuiltinWorld::bind_method(
math,
sh,
sf,
"log10",
crate::builtins::math::math_log10 as *const (),
1,
);
let _ = oxide_kernel::builtin::BuiltinWorld::bind_method(
math,
sh,
sf,
"log2",
crate::builtins::math::math_log2 as *const (),
1,
);
let _ = oxide_kernel::builtin::BuiltinWorld::bind_method(
math,
sh,
sf,
"max",
crate::builtins::math::math_max as *const (),
2,
);
let _ = oxide_kernel::builtin::BuiltinWorld::bind_method(
math,
sh,
sf,
"min",
crate::builtins::math::math_min as *const (),
2,
);
let _ = oxide_kernel::builtin::BuiltinWorld::bind_method(
math,
sh,
sf,
"pow",
crate::builtins::math::math_pow as *const (),
2,
);
let _ = oxide_kernel::builtin::BuiltinWorld::bind_method(
math,
sh,
sf,
"random",
crate::builtins::math::math_random as *const (),
0,
);
let _ = oxide_kernel::builtin::BuiltinWorld::bind_method(
math,
sh,
sf,
"round",
crate::builtins::math::math_round as *const (),
1,
);
let _ = oxide_kernel::builtin::BuiltinWorld::bind_method(
math,
sh,
sf,
"sign",
crate::builtins::math::math_sign as *const (),
1,
);
let _ = oxide_kernel::builtin::BuiltinWorld::bind_method(
math,
sh,
sf,
"sin",
crate::builtins::math::math_sin as *const (),
1,
);
let _ = oxide_kernel::builtin::BuiltinWorld::bind_method(
math,
sh,
sf,
"sinh",
crate::builtins::math::math_sinh as *const (),
1,
);
let _ = oxide_kernel::builtin::BuiltinWorld::bind_method(
math,
sh,
sf,
"sqrt",
crate::builtins::math::math_sqrt as *const (),
1,
);
let _ = oxide_kernel::builtin::BuiltinWorld::bind_method(
math,
sh,
sf,
"tan",
crate::builtins::math::math_tan as *const (),
1,
);
let _ = oxide_kernel::builtin::BuiltinWorld::bind_method(
math,
sh,
sf,
"tanh",
crate::builtins::math::math_tanh as *const (),
1,
);
let _ = oxide_kernel::builtin::BuiltinWorld::bind_method(
math,
sh,
sf,
"trunc",
crate::builtins::math::math_trunc as *const (),
1,
);
let pi_val = JsValue::float(std::f64::consts::PI);
{
let si_pi = sf.intern("PI").0;
let sh_pi = sh.make_shape(math.shape_id(), si_pi);
let cur = math.prop_count();
math.set_shape_id(sh_pi);
math.set_prop_count(cur + 1);
math.set_prop_expand_heap(cur, pi_val);
}
let si_m = kernel.string_forge().intern("Math").0;
let m_shape = kernel.shape_forge().make_shape(global.shape_id(), si_m);
let m_val =
JsValue::from_js_object(kernel.builtin_world().math_object.as_ptr() as *mut JsObject);
let cur_count = global.prop_count();
global.set_shape_id(m_shape);
global.set_prop_count(cur_count + 1);
global.set_prop_expand_heap(cur_count, m_val);
global.bump_generation();
}
impl Vm {
@@ -238,6 +489,7 @@ impl Vm {
interned_strings: Vec::new(),
epoch: Epoch::new(),
object_prototype: P::new(JsObject::new_empty(EMPTY_SHAPE_ID, JsValue::null())),
math_rng_state: 0,
}
}
@@ -253,9 +505,27 @@ impl Vm {
interned_strings: Vec::new(),
epoch: Epoch::new(),
object_prototype: P::clone(&kernel.builtin_world().object_proto),
math_rng_state: 0,
}
}
pub fn step_rng(&mut self) {
if self.math_rng_state == 0 {
self.math_rng_state = std::time::SystemTime::now()
.duration_since(std::time::UNIX_EPOCH)
.unwrap_or_default()
.as_nanos() as u64;
}
self.math_rng_state = self
.math_rng_state
.wrapping_mul(6364136223846793005)
.wrapping_add(1442695040888963407);
}
pub fn math_rng_value(&self) -> f64 {
(self.math_rng_state >> 33) as f64 / (1u64 << 31) as f64
}
pub fn kernel(&self) -> &Arc<OxideKernel> {
&self.kernel
}