vm/
native.rs

1use super::FnVariant;
2use crate::JITRunTime;
3use crate::memory::{alloc_dynamic, alloc_struct_bytes};
4use anyhow::Result;
5use cranelift::prelude::AbiParam;
6use cranelift_module::{Linkage, Module};
7use dynamic::{Dynamic, Type};
8use parser::{BinaryOp, Expr, ExprKind, Span};
9use rand::RngExt;
10use std::sync::{Mutex, Weak};
11
12extern "C" fn any_clone(addr: *const Dynamic) -> *const Dynamic {
13    //在堆上分配内存 复制 addr 到内存中
14    unsafe {
15        let cloned_value = (*addr).deep_clone();
16        alloc_dynamic(cloned_value)
17    }
18}
19
20extern "C" fn any_null() -> *const Dynamic {
21    //在堆上分配内存 复制 addr 到内存中
22    alloc_dynamic(Dynamic::Null)
23}
24
25extern "C" fn print(addr: *const Dynamic) {
26    if !addr.is_null() {
27        unsafe {
28            println!("{}", (*addr).to_string());
29        }
30    }
31}
32
33extern "C" fn any_is_map(addr: *const Dynamic) -> bool {
34    !addr.is_null() && unsafe { (*addr).is_map() }
35}
36
37extern "C" fn any_is_list(addr: *const Dynamic) -> bool {
38    !addr.is_null() && unsafe { (*addr).is_list() }
39}
40
41extern "C" fn random(start: *const Dynamic, stop: *const Dynamic) -> *const Dynamic {
42    if !start.is_null() && !stop.is_null() {
43        let mut rng = rand::rng();
44        unsafe {
45            if (&*start).is_int() {
46                let start = (*start).as_int().unwrap_or(0);
47                let stop = (*stop).as_int().unwrap_or(100);
48                return alloc_dynamic(Dynamic::I64(rng.random_range(start..stop)));
49            } else if (&*start).is_f32() || (&*start).is_f64() {
50                let start = (*start).as_float().unwrap_or(0.0);
51                let stop = (*stop).as_float().unwrap_or(1.0);
52                return alloc_dynamic(Dynamic::F64(rng.random_range(start..stop)));
53            }
54        }
55    }
56    alloc_dynamic(Dynamic::Null)
57}
58
59extern "C" fn uuid() -> *const Dynamic {
60    alloc_dynamic(uuid::Uuid::new_v4().to_string().into())
61}
62
63pub(crate) extern "C" fn struct_alloc(size: i64) -> *mut u8 {
64    let size = size.max(0) as usize;
65    let ptr = alloc_struct_bytes(size);
66    unsafe {
67        std::ptr::write_bytes(ptr, 0, size);
68    }
69    ptr
70}
71
72pub(crate) extern "C" fn struct_from_ptr(addr: i64, ty: i64) -> *const Dynamic {
73    let ty = unsafe { (&*(ty as *const Type)).clone() };
74    alloc_dynamic(Dynamic::Struct { addr: addr as usize, ty })
75}
76
77pub(crate) extern "C" fn import_with_vm(context: *const Weak<Mutex<JITRunTime>>, addr: *const Dynamic, path: *const Dynamic) -> bool {
78    if addr.is_null() || path.is_null() {
79        return false;
80    }
81    super::with_vm_context(context, |vm| vm.import(unsafe { &*addr }.as_str(), unsafe { &*path }.as_str())).map_err(|e| println!("import {:?}", e)).is_ok()
82}
83
84extern "C" fn any_len(addr: *const Dynamic) -> i64 {
85    if addr.is_null() { 0 } else { unsafe { (&*addr).len() as i64 } }
86}
87
88extern "C" fn any_keys(addr: *const Dynamic) -> *const Dynamic {
89    if addr.is_null() {
90        return alloc_dynamic(Dynamic::list(Vec::new()));
91    }
92    let keys = match unsafe { &*addr } {
93        Dynamic::Map(map) => map.read().unwrap().keys().map(|key| Dynamic::from(key.as_str())).collect(),
94        _ => Vec::new(),
95    };
96    alloc_dynamic(Dynamic::list(keys))
97}
98
99extern "C" fn any_iter(addr: *const Dynamic) -> *const Dynamic {
100    if addr.is_null() { any_null() } else { alloc_dynamic(unsafe { (*addr).clone().into_iter() }) }
101}
102
103extern "C" fn any_next(addr: *mut Dynamic) -> *const Dynamic {
104    alloc_dynamic(unsafe { (*addr).next().unwrap_or(Dynamic::Null) })
105}
106
107extern "C" fn any_push(addr: *mut Dynamic, value: *mut Dynamic) {
108    if !addr.is_null() && !value.is_null() {
109        unsafe {
110            (&mut *addr).push((&*value).clone());
111        }
112    }
113}
114
115extern "C" fn any_pop(addr: *mut Dynamic) -> *const Dynamic {
116    if addr.is_null() { any_null() } else { alloc_dynamic(unsafe { (*addr).pop().unwrap_or(Dynamic::Null) }) }
117}
118
119extern "C" fn get_key(addr: *const Dynamic, key: *const Dynamic) -> *const Dynamic {
120    if addr.is_null() || key.is_null() {
121        any_null()
122    } else {
123        let key: &str = unsafe { &*key }.as_str();
124        alloc_dynamic(unsafe { (*addr).get_dynamic(key).unwrap_or(Dynamic::Null) })
125    }
126}
127
128extern "C" fn del_key(addr: *const Dynamic, key: *const Dynamic) -> *const Dynamic {
129    if addr.is_null() || key.is_null() {
130        any_null()
131    } else {
132        let key: &str = unsafe { &*key }.as_str();
133        alloc_dynamic(unsafe { (*addr).remove_dynamic(key).unwrap_or(Dynamic::Null) })
134    }
135}
136
137extern "C" fn contains(addr: *const Dynamic, key: *const Dynamic) -> bool {
138    if addr.is_null() || key.is_null() {
139        false
140    } else {
141        let key: &str = unsafe { &*key }.as_str();
142        unsafe { (*addr).contains(key) }
143    }
144}
145
146extern "C" fn starts_with(addr: *const Dynamic, prefix: *const Dynamic) -> bool {
147    if addr.is_null() || prefix.is_null() {
148        false
149    } else {
150        let prefix: &str = unsafe { &*prefix }.as_str();
151        unsafe { (*addr).starts_with(prefix) }
152    }
153}
154
155extern "C" fn get_idx(addr: *const Dynamic, idx: i64) -> *const Dynamic {
156    if addr.is_null() { any_null() } else { alloc_dynamic(unsafe { (*addr).get_idx(idx as usize).unwrap_or(Dynamic::Null) }) }
157}
158
159extern "C" fn slice(addr: *const Dynamic, start: i64, stop: *const Dynamic, inclusive: bool) -> *const Dynamic {
160    if addr.is_null() {
161        return any_null();
162    }
163
164    let value = unsafe { &*addr };
165    let len = value.len() as i64;
166    let start = start.clamp(0, len) as usize;
167    let mut stop = if stop.is_null() {
168        len
169    } else {
170        let raw = unsafe { &*stop };
171        if raw.is_null() { len } else { raw.as_int().unwrap_or(len) }
172    };
173    if inclusive && stop < len {
174        stop += 1;
175    }
176    let stop = stop.clamp(start as i64, len) as usize;
177
178    let sliced = match value {
179        Dynamic::String(text) => Dynamic::from(text.chars().skip(start).take(stop.saturating_sub(start)).collect::<String>()),
180        Dynamic::List(list) => Dynamic::list(list.read().unwrap()[start..stop].to_vec()),
181        _ => Dynamic::Null,
182    };
183    alloc_dynamic(sliced)
184}
185
186extern "C" fn set_key(addr: *mut Dynamic, key: *const Dynamic, value: *const Dynamic) {
187    if addr.is_null() || key.is_null() {
188        return;
189    }
190    let key: &str = unsafe { &*key }.as_str();
191    unsafe { (&mut *addr).set_dynamic(key.into(), (&*value).clone()) }
192}
193
194extern "C" fn set_idx(addr: *mut Dynamic, idx: i64, value: *const Dynamic) {
195    if addr.is_null() {
196        return;
197    }
198    unsafe { (&mut *addr).set_idx(idx as usize, (&*value).clone()) }
199}
200
201extern "C" fn any_from_i64(v: i64) -> *const Dynamic {
202    alloc_dynamic(Dynamic::I64(v))
203}
204
205extern "C" fn any_from_bool(v: bool) -> *const Dynamic {
206    alloc_dynamic(Dynamic::Bool(v))
207}
208
209extern "C" fn any_to_i64(addr: *const Dynamic) -> i64 {
210    if addr.is_null() {
211        return 0;
212    }
213    unsafe { (&*addr).as_int().unwrap_or(0) }
214}
215
216extern "C" fn any_to_bool(addr: *const Dynamic) -> bool {
217    if addr.is_null() {
218        return false;
219    }
220    unsafe {
221        let value = &*addr;
222        if let Some(v) = value.as_bool() {
223            v
224        } else if let Some(v) = value.as_int() {
225            v != 0
226        } else if let Some(v) = value.as_float() {
227            v != 0.0
228        } else {
229            !value.is_null()
230        }
231    }
232}
233
234extern "C" fn any_from_f64(v: f64) -> *const Dynamic {
235    alloc_dynamic(Dynamic::F64(v))
236}
237
238extern "C" fn any_split(addr: *mut Dynamic, s: *const Dynamic) -> *const Dynamic {
239    if addr.is_null() || s.is_null() {
240        return any_null();
241    }
242    let s: &str = unsafe { &*s }.as_str();
243    alloc_dynamic(unsafe { (&*addr).clone() }.split(s))
244}
245
246extern "C" fn any_to_f64(addr: *const Dynamic) -> f64 {
247    if addr.is_null() {
248        return 0.0;
249    }
250    unsafe { (&*addr).as_float().unwrap_or(0.0) }
251}
252
253extern "C" fn any_to_string(addr: *const Dynamic) -> *const Dynamic {
254    if addr.is_null() {
255        return alloc_dynamic(Dynamic::from(""));
256    }
257    alloc_dynamic(Dynamic::from(unsafe { &*addr }.to_string()))
258}
259
260extern "C" fn any_binary(left: *const Dynamic, op: i32, right: *const Dynamic) -> *const Dynamic {
261    if left.is_null() {
262        if right.is_null() {
263            return any_null();
264        }
265        return alloc_dynamic(unsafe { (&*right).clone() });
266    }
267    if right.is_null() {
268        return alloc_dynamic(unsafe { (&*left).clone() });
269    }
270    let op = BinaryOp::try_from(op).unwrap();
271    unsafe {
272        let expr = Expr::new(
273            ExprKind::Binary { left: Box::new(Expr::new(ExprKind::Value((&*left).clone()), Span::default())), op, right: Box::new(Expr::new(ExprKind::Value((&*right).clone()), Span::default())) },
274            Span::default(),
275        );
276        alloc_dynamic(expr.compact().unwrap_or(Dynamic::Null))
277    }
278}
279
280extern "C" fn any_logic(left: *const Dynamic, op: i32, right: *const Dynamic) -> i32 {
281    let op = BinaryOp::try_from(op).unwrap();
282    unsafe {
283        let expr = Expr::new(
284            ExprKind::Binary { left: Box::new(Expr::new(ExprKind::Value((&*left).clone()), Span::default())), op, right: Box::new(Expr::new(ExprKind::Value((&*right).clone()), Span::default())) },
285            Span::default(),
286        );
287        if expr.compact().and_then(|r| r.as_bool()).unwrap_or(false) { 1 } else { 0 }
288    }
289}
290
291pub const STD: [(&str, &[Type], Type, *const u8); 3] =
292    [("print", &[Type::Any], Type::Void, print as *const u8), ("uuid", &[], Type::Any, uuid as *const u8), ("rand", &[Type::Any, Type::Any], Type::Any, random as *const u8)];
293
294pub const ANY: [(&str, &[Type], Type, *const u8); 28] = [
295    ("Any::null", &[], Type::Any, any_null as *const u8),
296    ("Any::is_map", &[Type::Any], Type::Bool, any_is_map as *const u8),
297    ("Any::is_list", &[Type::Any], Type::Bool, any_is_list as *const u8),
298    ("Any::clone", &[Type::Any], Type::Any, any_clone as *const u8),
299    ("Any::len", &[Type::Any], Type::I32, any_len as *const u8),
300    ("Any::keys", &[Type::Any], Type::Any, any_keys as *const u8),
301    ("Any::split", &[Type::Any, Type::Any], Type::Any, any_split as *const u8),
302    ("Any::push", &[Type::Any, Type::Any], Type::Void, any_push as *const u8),
303    ("Any::pop", &[Type::Any], Type::Any, any_pop as *const u8),
304    ("Any::get_idx", &[Type::Any, Type::I64], Type::Any, get_idx as *const u8),
305    ("Any::slice", &[Type::Any, Type::I64, Type::Any, Type::Bool], Type::Any, slice as *const u8),
306    ("Any::contains", &[Type::Any, Type::Any], Type::Bool, contains as *const u8),
307    ("Any::starts_with", &[Type::Any, Type::Any], Type::Bool, starts_with as *const u8),
308    ("Any::get_key", &[Type::Any, Type::Any], Type::Any, get_key as *const u8),
309    ("Any::del_key", &[Type::Any, Type::Any], Type::Any, del_key as *const u8),
310    ("Any::set_idx", &[Type::Any, Type::I64, Type::Any], Type::Void, set_idx as *const u8),
311    ("Any::set_key", &[Type::Any, Type::Any, Type::Any], Type::Void, set_key as *const u8),
312    ("Any::from_i64", &[Type::I64], Type::Any, any_from_i64 as *const u8),
313    ("Any::from_bool", &[Type::Bool], Type::Any, any_from_bool as *const u8),
314    ("Any::to_i64", &[Type::Any], Type::I64, any_to_i64 as *const u8),
315    ("Any::to_bool", &[Type::Any], Type::Bool, any_to_bool as *const u8),
316    ("Any::from_f64", &[Type::F64], Type::Any, any_from_f64 as *const u8),
317    ("Any::to_f64", &[Type::Any], Type::F64, any_to_f64 as *const u8),
318    ("Any::to_string", &[Type::Any], Type::Str, any_to_string as *const u8),
319    ("Any::binary", &[Type::Any, Type::I32, Type::Any], Type::Any, any_binary as *const u8),
320    ("Any::logic", &[Type::Any, Type::I32, Type::Any], Type::Bool, any_logic as *const u8),
321    ("Any::iter", &[Type::Any], Type::Any, any_iter as *const u8),
322    ("Any::next", &[Type::Any], Type::Any, any_next as *const u8),
323];
324
325use std::rc::Rc;
326impl JITRunTime {
327    pub fn add_native_ptr(&mut self, full_name: &str, name: &str, arg_tys: &[Type], ret_ty: Type, fn_ptr: *const u8) -> Result<u32> {
328        self.native_symbols.write().unwrap().insert(full_name.to_string(), fn_ptr as usize);
329        self.add_native(full_name, name, arg_tys, ret_ty)
330    }
331
332    pub(crate) fn add_context_native_ptr(&mut self, full_name: &str, name: &str, arg_tys: &[Type], ret_ty: Type, fn_ptr: *const u8) -> Result<u32> {
333        self.native_symbols.write().unwrap().insert(full_name.to_string(), fn_ptr as usize);
334        self.add_context_native(full_name, name, arg_tys, ret_ty)
335    }
336
337    pub fn add_native(&mut self, full_name: &str, name: &str, arg_tys: &[Type], ret_ty: Type) -> Result<u32> {
338        let fn_ty = Type::Fn { tys: arg_tys.to_vec(), ret: Rc::new(ret_ty.clone()) };
339        let id = self.compiler.add_symbol(name, compiler::Symbol::Native(fn_ty.clone()));
340        let sig = self.get_sig(arg_tys, ret_ty)?;
341        let fn_id = self.module.declare_function(full_name, Linkage::Import, &sig)?;
342        self.fns.insert(id, FnVariant::Native { ty: fn_ty, fn_id, context: None });
343        Ok(id)
344    }
345
346    pub(crate) fn add_context_native(&mut self, full_name: &str, name: &str, arg_tys: &[Type], ret_ty: Type) -> Result<u32> {
347        let fn_ty = Type::Fn { tys: arg_tys.to_vec(), ret: Rc::new(ret_ty.clone()) };
348        let id = self.compiler.add_symbol(name, compiler::Symbol::Native(fn_ty.clone()));
349        let mut sig = self.module.make_signature();
350        sig.params.push(AbiParam::new(crate::ptr_type()));
351        for arg in arg_tys.iter() {
352            sig.params.push(AbiParam::new(crate::get_type(arg)?));
353        }
354        if !ret_ty.is_void() {
355            sig.returns.push(AbiParam::new(crate::get_type(&ret_ty)?));
356        }
357        let fn_id = self.module.declare_function(full_name, Linkage::Import, &sig)?;
358        self.fns.insert(id, FnVariant::Native { ty: fn_ty, fn_id, context: Some(self.owner_context_ptr()) });
359        Ok(id)
360    }
361}
vm/native.rs

vm/
native.rs
