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This commit is contained in:
blueloveTH 2023-02-06 18:58:15 +08:00
parent d53c4f1d09
commit 170de07bfb
8 changed files with 127 additions and 25 deletions
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77
plugins/flutter/lib/_ffi.dart Normal file
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@ -0,0 +1,77 @@
// ignore_for_file: non_constant_identifier_names
import 'dart:convert';
import 'dart:ffi' as ffi;
import 'package:ffi/ffi.dart';
Map<String, Function> _mappings = {};
class StrWrapper {
static final Finalizer<ffi.Pointer<Utf8>> finalizer =
Finalizer((p) => malloc.free(p));
late final ffi.Pointer<Utf8> _p;
StrWrapper(String s) {
_p = s.toNativeUtf8();
finalizer.attach(this, _p);
}
ffi.Pointer<Utf8> get p => _p;
}
dynamic invoke_f_any(ffi.Pointer<Utf8> p) {
String s = p.toDartString();
malloc.free(p);
var parts = s.split(' ');
List<dynamic> args = [];
for (int i = 1; i < parts.length; i++) {
args.add(jsonDecode(parts[i]));
}
var f = _mappings[parts[0]];
return Function.apply(f!, args);
}
int invoke_f_int(ffi.Pointer<Utf8> p) => invoke_f_any(p);
double invoke_f_float(ffi.Pointer<Utf8> p) => invoke_f_any(p);
bool invoke_f_bool(ffi.Pointer<Utf8> p) => invoke_f_any(p);
ffi.Pointer<Utf8> invoke_f_str(ffi.Pointer<Utf8> p) =>
StrWrapper(invoke_f_any(p)).p;
void invoke_f_None(ffi.Pointer<Utf8> p) => invoke_f_any(p);
ffi.Pointer f_int() {
return ffi.Pointer.fromFunction<ffi.Int64 Function(ffi.Pointer<Utf8>)>(
invoke_f_int, 0);
}
ffi.Pointer f_float() {
return ffi.Pointer.fromFunction<ffi.Double Function(ffi.Pointer<Utf8>)>(
invoke_f_float, 0.0);
}
ffi.Pointer f_bool() {
return ffi.Pointer.fromFunction<ffi.Bool Function(ffi.Pointer<Utf8>)>(
invoke_f_bool, false);
}
ffi.Pointer f_str() {
return ffi.Pointer.fromFunction<
ffi.Pointer<Utf8> Function(ffi.Pointer<Utf8>)>(invoke_f_str);
}
ffi.Pointer f_None() {
return ffi.Pointer.fromFunction<ffi.Void Function(ffi.Pointer<Utf8>)>(
invoke_f_None);
}
void register(String? key, Function value) {
_mappings[key!] = value;
}
int t_code<T>() {
if (T == int) return 'i'.codeUnitAt(0);
if (T == double) return 'f'.codeUnitAt(0);
if (T == bool) return 'b'.codeUnitAt(0);
if (T == String) return 's'.codeUnitAt(0);
return 'N'.codeUnitAt(0);
// throw Exception("Type must be int/double/bool/String");
}

52
plugins/flutter/lib/no_web.dart
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@ -4,6 +4,7 @@ import 'dart:convert' as cvt;
import 'dart:ffi' as ffi;
import 'dart:io';
import 'package:ffi/ffi.dart';
import '_ffi.dart';
import 'common.dart';
class _Bindings {
@ -26,6 +27,11 @@ class _Bindings {
static final pkpy_delete = _lib.lookupFunction<
ffi.Void Function(ffi.Pointer p),
void Function(ffi.Pointer p)>("pkpy_delete");
static final pkpy_setup_callbacks = _lib.lookupFunction<
ffi.Void Function(ffi.Pointer f_int, ffi.Pointer f_float,
ffi.Pointer f_bool, ffi.Pointer f_str, ffi.Pointer f_None),
void Function(ffi.Pointer f_int, ffi.Pointer f_float, ffi.Pointer f_bool,
ffi.Pointer f_str, ffi.Pointer f_None)>("pkpy_setup_callbacks");
static final pkpy_new_repl = _lib.lookupFunction<
ffi.Pointer Function(ffi.Pointer vm),
ffi.Pointer Function(ffi.Pointer vm)>("pkpy_new_repl");
@ -40,6 +46,11 @@ class _Bindings {
ffi.Pointer vm, ffi.Pointer<Utf8> name, ffi.Pointer<Utf8> source),
void Function(ffi.Pointer vm, ffi.Pointer<Utf8> name,
ffi.Pointer<Utf8> source)>("pkpy_vm_add_module");
static final pkpy_vm_bind = _lib.lookupFunction<
ffi.Pointer<Utf8> Function(ffi.Pointer vm, ffi.Pointer<Utf8> mod,
ffi.Pointer<Utf8> name, ffi.Int32 ret_code),
ffi.Pointer<Utf8> Function(ffi.Pointer vm, ffi.Pointer<Utf8> mod,
ffi.Pointer<Utf8> name, int ret_code)>("pkpy_vm_bind");
static final pkpy_vm_eval = _lib.lookupFunction<
ffi.Pointer<Utf8> Function(ffi.Pointer vm, ffi.Pointer<Utf8> source),
ffi.Pointer<Utf8> Function(
@ -56,21 +67,16 @@ class _Bindings {
ffi.Pointer<Utf8> Function(ffi.Pointer vm)>("pkpy_vm_read_output");
}
class _Str {
static final Finalizer<ffi.Pointer<Utf8>> finalizer =
Finalizer((p) => malloc.free(p));
late final ffi.Pointer<Utf8> _p;
_Str(String s) {
_p = s.toNativeUtf8();
finalizer.attach(this, _p);
}
ffi.Pointer<Utf8> get p => _p;
}
class VM {
late final pointer = _Bindings.pkpy_new_vm(false);
static bool _firstNew = true;
VM() {
if (!_firstNew) return;
_firstNew = false;
_Bindings.pkpy_setup_callbacks(
f_int(), f_float(), f_bool(), f_str(), f_None());
}
void dispose() {
_Bindings.pkpy_delete(pointer);
@ -86,12 +92,13 @@ class VM {
/// Add a source module into a virtual machine.
void add_module(String name, String source) {
_Bindings.pkpy_vm_add_module(pointer, _Str(name).p, _Str(source).p);
_Bindings.pkpy_vm_add_module(
pointer, StrWrapper(name).p, StrWrapper(source).p);
}
/// Evaluate an expression. Return `__repr__` of the result. If there is any error, return `nullptr`.
String? eval(String source) {
var ret = _Bindings.pkpy_vm_eval(pointer, _Str(source).p);
var ret = _Bindings.pkpy_vm_eval(pointer, StrWrapper(source).p);
if (ret == ffi.nullptr) return null;
String s = ret.toDartString();
_Bindings.pkpy_delete(ret);
@ -100,17 +107,26 @@ class VM {
/// Run a given source on a virtual machine.
void exec(String source) {
_Bindings.pkpy_vm_exec(pointer, _Str(source).p);
_Bindings.pkpy_vm_exec(pointer, StrWrapper(source).p);
}
/// Get a global variable of a virtual machine. Return `__repr__` of the result. If the variable is not found, return `nullptr`.
String? get_global(String name) {
var ret = _Bindings.pkpy_vm_get_global(pointer, _Str(name).p);
var ret = _Bindings.pkpy_vm_get_global(pointer, StrWrapper(name).p);
if (ret == ffi.nullptr) return null;
String s = ret.toDartString();
_Bindings.pkpy_delete(ret);
return s;
}
void bind<T>(String mod, String name, Function f) {
ffi.Pointer<Utf8> p = _Bindings.pkpy_vm_bind(
pointer, StrWrapper(mod).p, StrWrapper(name).p, t_code<T>());
if (p == ffi.nullptr) throw Exception("vm.bind() failed");
String s = p.toDartString();
malloc.free(p);
register(s, f);
}
}
class REPL {
@ -126,7 +142,7 @@ class REPL {
/// Input a source line to an interactive console. Return true if need more lines.
bool input(String line) {
var ret = _Bindings.pkpy_repl_input(pointer, _Str(line).p);
var ret = _Bindings.pkpy_repl_input(pointer, StrWrapper(line).p);
return ret;
}
}

6
plugins/flutter/lib/web.dart
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@ -31,6 +31,12 @@ class _Bindings {
class VM {
late final pointer = _Bindings.pkpy_new_vm(false);
static bool _firstNew = true;
VM() {
if (!_firstNew) return;
_firstNew = false;
}
void dispose() {
_Bindings.pkpy_delete(pointer);

5
plugins/flutter/src/pocketpy.h
View File

@ -4278,10 +4278,11 @@ public:
ret = run_frame(frame);
if(ret != __py2py_call_signal){
callstack.pop();
if(frame->id == base_id){ // [ frameBase<- ]
callstack.pop();
return ret;
}else{
callstack.pop();
frame = callstack.top().get();
frame->push(ret);
}
@ -6001,7 +6002,7 @@ void __initializeBuiltinFunctions(VM* _vm) {
_vm->bindBuiltinFunc<-1>("exit", [](VM* vm, const pkpy::Args& args) {
if(args.size() == 0) std::exit(0);
else if(args.size() == 1) std::exit(vm->PyInt_AS_C(args[0]));
else if(args.size() == 1) std::exit((int)vm->PyInt_AS_C(args[0]));
else vm->typeError("exit() takes at most 1 argument");
return vm->None;
});

2
plugins/godot/godot-cpp

@ -1 +1 @@
Subproject commit 20ace497b54f2e625dc06ec95adf357fcdc27cd7
Subproject commit 3765c55407d883e12457e44981c87062c446b529

5
plugins/macos/pocketpy/pocketpy.h
View File

@ -4278,10 +4278,11 @@ public:
ret = run_frame(frame);
if(ret != __py2py_call_signal){
callstack.pop();
if(frame->id == base_id){ // [ frameBase<- ]
callstack.pop();
return ret;
}else{
callstack.pop();
frame = callstack.top().get();
frame->push(ret);
}
@ -6001,7 +6002,7 @@ void __initializeBuiltinFunctions(VM* _vm) {
_vm->bindBuiltinFunc<-1>("exit", [](VM* vm, const pkpy::Args& args) {
if(args.size() == 0) std::exit(0);
else if(args.size() == 1) std::exit(vm->PyInt_AS_C(args[0]));
else if(args.size() == 1) std::exit((int)vm->PyInt_AS_C(args[0]));
else vm->typeError("exit() takes at most 1 argument");
return vm->None;
});

2
src/pocketpy.h
View File

@ -74,7 +74,7 @@ void __initializeBuiltinFunctions(VM* _vm) {
_vm->bindBuiltinFunc<-1>("exit", [](VM* vm, const pkpy::Args& args) {
if(args.size() == 0) std::exit(0);
else if(args.size() == 1) std::exit(vm->PyInt_AS_C(args[0]));
else if(args.size() == 1) std::exit((int)vm->PyInt_AS_C(args[0]));
else vm->typeError("exit() takes at most 1 argument");
return vm->None;
});

3
src/vm.h
View File

@ -558,10 +558,11 @@ public:
ret = run_frame(frame);
if(ret != __py2py_call_signal){
callstack.pop();
if(frame->id == base_id){ // [ frameBase<- ]
callstack.pop();
return ret;
}else{
callstack.pop();
frame = callstack.top().get();
frame->push(ret);
}