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Revert "native modules are lazy by default"

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This reverts commit 1e7fe289989314c876232782e5f9cc7f8037c8d8.
This commit is contained in:
BLUELOVETH 2023-08-03 11:51:12 +08:00
parent 1e7fe28998
commit d9c98bb7d8
4 changed files with 16 additions and 28 deletions
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8
docs/quick-start/modules.md
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@ -25,7 +25,7 @@ print(test.pi) # 3.14
### Native modules
A native module is a module written in c++ or mixed c++/python.
Native modules can be added into `_modules` or `_lazy_native_modules`.
Native modules are always compiled and executed when the VM is created.
To creata a native module,
use `vm->new_module(...)`.
@ -52,9 +52,9 @@ print(test.add(1, 2)) # 3
When you do `import` a module, the VM will try to find it in the following order:
1. Search `vm->_modules`, if found, return it.
2. Search `vm->_lazy_native_modules`, if found, compile and execute it, then return it.
3. Search `vm->_lazy_modules`, if found, compile and execute it, then return it.
4. Try `vm->_import_handler`.
2. Search `vm->_lazy_modules`, if found, compile and execute it, then return it.
3. Try `vm->_import_handler`.
### Customized import handler

2
include/pocketpy/vm.h
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@ -47,7 +47,6 @@ namespace pkpy{
typedef PyObject* (*BinaryFuncC)(VM*, PyObject*, PyObject*);
typedef void (*NativeModuleInitializer)(VM*);
struct PyTypeInfo{
PyObject* obj;
@ -117,7 +116,6 @@ public:
NameDict _modules; // loaded modules
std::map<StrName, Str> _lazy_modules; // lazy loaded modules
std::map<StrName, NativeModuleInitializer> _lazy_native_modules; // lazy loaded native modules
struct{
PyObject* error;

25
src/pocketpy.cpp
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@ -1554,18 +1554,17 @@ void VM::post_init(){
#if !PK_DEBUG_NO_BUILTINS
add_module_sys(this);
add_module_traceback(this);
add_module_time(this);
add_module_json(this);
add_module_math(this);
add_module_re(this);
add_module_dis(this);
add_module_c(this);
// lazy modules
vm->_lazy_native_modules["traceback"] = &add_module_traceback;
vm->_lazy_native_modules["time"] = &add_module_time;
vm->_lazy_native_modules["json"] = &add_module_json;
vm->_lazy_native_modules["math"] = &add_module_math;
vm->_lazy_native_modules["re"] = &add_module_re;
vm->_lazy_native_modules["dis"] = &add_module_dis;
vm->_lazy_native_modules["gc"] = &add_module_gc;
vm->_lazy_native_modules["random"] = &add_module_random;
vm->_lazy_native_modules["base64"] = &add_module_base64;
vm->_lazy_native_modules["timeit"] = &add_module_timeit;
add_module_gc(this);
add_module_random(this);
add_module_base64(this);
add_module_timeit(this);
for(const char* name: {"this", "functools", "collections", "heapq", "bisect", "pickle", "_long", "colorsys"}){
_lazy_modules[name] = kPythonLibs[name];
@ -1588,8 +1587,8 @@ void VM::post_init(){
_import_handler = _default_import_handler;
}
vm->_lazy_native_modules["linalg"] = &add_module_linalg;
vm->_lazy_native_modules["easing"] = &add_module_easing;
add_module_linalg(this);
add_module_easing(this);
#endif
}

9
src/vm.cpp
View File

@ -239,14 +239,6 @@ namespace pkpy{
}
PyObject* ext_mod = _modules.try_get(name);
if(ext_mod == nullptr){
auto it2 = _lazy_native_modules.find(name);
if(it2 != _lazy_native_modules.end()){
it2->second(this); // init
ext_mod = _modules.try_get(name);
PK_ASSERT(ext_mod != nullptr);
_lazy_native_modules.erase(it2);
return ext_mod;
}
Str source;
auto it = _lazy_modules.find(name);
if(it == _lazy_modules.end()){
@ -279,7 +271,6 @@ namespace pkpy{
_all_types.clear();
_modules.clear();
_lazy_modules.clear();
_lazy_native_modules.clear();
}
PyObject* VM::py_negate(PyObject* obj){