Unity-Technologies
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emscripten
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Removing Functor as a specific type; folding operator call into the class definition.

This commit is contained in:
mey 2012-11-16 13:56:27 -08:00 коммит произвёл Jukka Jylänki
Родитель 0d745fa116
Коммит e237bfd79d
2 изменённых файлов: 90 добавлений и 131 удалений
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159
src/embind/embind.js
Просмотреть файл

@ -430,101 +430,6 @@ function __embind_register_smart_ptr(
});
}
function __embind_register_function_ptr(
name,
functorType,
returnType,
argCount,
argTypes,
destructor,
invoker
) {
name = Pointer_stringify(name);
var humanName = 'functor::' + name;
returnType = requireRegisteredType(returnType);
argTypes = requireArgumentTypes(argCount, argTypes, humanName);
destructor = FUNCTION_TABLE[destructor];
invoker = FUNCTION_TABLE[invoker];
var Handle = createNamedFunction(name, function(ptr) {
this.count = {value: 1};
this.functorPtr = ptr;
});
Handle.prototype['delete'] = function() {
if (!this.functorPtr) {
throw new BindingError(functorType.name + ' instance already deleted');
}
this.count.value -= 1;
if(0 === this.count.value) {
destructor(this.functorPtr);
}
this.functorPtr = undefined;
};
function createFunctor(ptr) {
var h = new Handle(ptr);
var invoke = function() {
if(!this.functorPtr) {
throw new BindingError('cannot call invoke functor ' + humanName + ' on deleted object');
}
if (arguments.length !== argCount) {
throw new BindingError('emscripten functor ' + humanName + ' called with ' + arguments.length + ' arguments, expected ' + argCount);
}
var destructors = [];
var args = new Array(argCount + 1);
args[0] = this.functorPtr;
for (var i = 0; i < argCount; ++i) {
args[i + 1] = argTypes[i].toWireType(destructors, arguments[i]);
}
var rv = returnType.fromWireType(invoker.apply(null, args));
runDestructors(destructors);
return rv;
}.bind(h);
invoke.handle = h;
invoke['delete'] = function() {
this.handle.delete();
}.bind(invoke);
invoke.clone = function() {
if (!this.handle.functorPtr) {
throw new BindingError(functorType.name + ' instance already deleted');
}
var clone = createFunctor(this.handle.functorPtr);
clone.handle.count = this.handle.count;
clone.handle.ptr = this.handle.ptr;
clone.handle.count.value += 1;
return clone;
}.bind(invoke);
invoke.move = function() {
var rv = this.clone();
this.delete();
return rv;
}.bind(invoke);
return invoke;
}
registerType(functorType, name, {
name: name,
fromWireType: function(ptr) {
return createFunctor(ptr);
},
toWireType: function(destructors, o) {
return o.handle.functorPtr;
}
});
}
function __embind_register_vector(
vectorType,
elementType,
@ -579,10 +484,25 @@ function __embind_register_class(
) {
name = Pointer_stringify(name);
destructor = FUNCTION_TABLE[destructor];
var Handle = createNamedFunction(name, function(ptr) {
this.count = {value: 1};
this.ptr = ptr;
var h = function() {
if(h.operator_call !== undefined) {
return h.operator_call.apply(h, arguments);
} else {
throw new BindingError(name + ' does not define call operator');
}
};
h.count = {value: 1};
h.ptr = ptr;
for(var prop in Handle.prototype) {
var dp = Object.getOwnPropertyDescriptor(Handle.prototype, prop);
Object.defineProperty(h, prop, dp);
}
return h;
});
Handle.prototype.clone = function() {
@ -618,7 +538,7 @@ function __embind_register_class(
var constructor = createNamedFunction(name, function() {
var body = constructor.body;
body.apply(this, arguments);
return body.apply(this, arguments);
});
constructor.prototype = Handle.prototype;
@ -676,7 +596,8 @@ function __embind_register_class_constructor(
var ptr = constructor.apply(null, args);
runDestructors(destructors);
classType.Handle.call(this, ptr);
return classType.Handle.call(this, ptr);
};
}
@ -700,6 +621,7 @@ function __embind_register_class_method(
memberFunction = copyMemberPointer(memberFunction, memberFunctionSize);
classType.Handle.prototype[methodName] = function() {
if (!this.ptr) {
throw new BindingError('cannot call emscripten binding method ' + humanName + ' on deleted object');
}
@ -737,7 +659,42 @@ function __embind_register_class_classmethod(
argTypes = requireArgumentTypes(argCount, argTypes, 'classmethod ' + humanName);
invoker = FUNCTION_TABLE[invoker];
classType.constructor[methodName] = makeInvoker(humanName, returnType, argCount, argTypes, invoker, fn);}
classType.constructor[methodName] = makeInvoker(humanName, returnType, argCount, argTypes, invoker, fn);
}
function __embind_register_class_operator_call(
classType,
returnType,
argCount,
argTypes,
invoker
) {
classType = requireRegisteredType(classType, 'class');
returnType = requireRegisteredType(returnType, 'method ' + humanName + ' return value');
argTypes = requireArgumentTypes(argCount, argTypes, 'method ' + humanName);
invoker = FUNCTION_TABLE[invoker];
var humanName = classType.name + '.' + 'operator_call';
classType.Handle.prototype.operator_call = function() {
if (!this.ptr) {
throw new BindingError('cannot call emscripten binding method ' + humanName + ' on deleted object');
}
if (arguments.length !== argCount) {
throw new BindingError('emscripten binding method ' + humanName + ' called with ' + arguments.length + ' arguments, expected ' + argCount);
}
var destructors = [];
var args = new Array(argCount + 1);
args[0] = this.ptr;
for (var i = 0; i < argCount; ++i) {
args[i + 1] = argTypes[i].toWireType(destructors, arguments[i]);
}
var rv = returnType.fromWireType(invoker.apply(null, args));
runDestructors(destructors);
return rv;
}
}
function __embind_register_class_field(
classType,

62
system/include/emscripten/bind.h
Просмотреть файл

@ -100,15 +100,6 @@ namespace emscripten {
GenericFunction destructor,
GenericFunction getPointee);
void _embind_register_function_ptr(
const char* name,
TYPEID functorType,
TYPEID returnType,
unsigned argCount,
TYPEID argTypes[],
GenericFunction destructor,
GenericFunction invoker);
void _embind_register_vector(
TYPEID vectorType,
TYPEID elementType,
@ -160,6 +151,14 @@ namespace emscripten {
GenericFunction invoker,
GenericFunction method);
void _embind_register_class_operator_call(
TYPEID classType,
TYPEID returnType,
unsigned argCount,
TYPEID argTypes[],
GenericFunction invoker
);
void _embind_register_enum(
TYPEID enumType,
const char* name);
@ -255,7 +254,7 @@ namespace emscripten {
////////////////////////////////////////////////////////////////////////////////
template<typename ReturnType, typename... Args, typename... Policies>
void function(const char* name, ReturnType (fn)(Args...)) {
void function(const char* name, ReturnType (fn)(Args...), Policies...) {
using namespace internal;
registerStandardTypes();
@ -305,6 +304,15 @@ namespace emscripten {
}
};
template<typename FunctorType, typename... Args>
struct FunctorInvoker<FunctorType, void, Args...> {
static void invoke(
const FunctorType& ptr,
typename internal::BindingType<Args>::WireType... args
) {
ptr(internal::BindingType<Args>::fromWireType(args)...);
}
};
template<typename ClassType, typename ReturnType, typename... Args>
struct MethodInvoker {
@ -567,26 +575,6 @@ namespace emscripten {
reinterpret_cast<internal::GenericFunction>(&internal::get_pointee<PointerType>));
}
////////////////////////////////////////////////////////////////////////////////
// FUNCTION POINTERS
////////////////////////////////////////////////////////////////////////////////
template<typename ReturnType, typename... Args, typename... Policies>
inline void register_function_ptr(const char* name) {
typedef std::function<ReturnType(Args...)> FunctorType;
internal::registerStandardTypes();
typename internal::WithPolicies<Policies...>::template ArgTypeList<Args...> args;
internal::_embind_register_function_ptr(
name,
internal::TypeID<FunctorType>::get(),
internal::TypeID<ReturnType>::get(),
args.count,
args.types,
reinterpret_cast<internal::GenericFunction>(&internal::raw_destructor<FunctorType>),
reinterpret_cast<internal::GenericFunction>(&internal::FunctorInvoker<FunctorType, ReturnType, Args...>::invoke)
);
}
////////////////////////////////////////////////////////////////////////////////
// VECTORS
////////////////////////////////////////////////////////////////////////////////
@ -706,6 +694,20 @@ namespace emscripten {
reinterpret_cast<GenericFunction>(classMethod));
return *this;
}
template<typename ReturnType, typename... Args, typename... Policies>
class_& calloperator(Policies...) {
using namespace internal;
typename WithPolicies<Policies...>::template ArgTypeList<Args...> args;
_embind_register_class_operator_call(
TypeID<ClassType>::get(),
TypeID<ReturnType>::get(),
args.count,
args.types,
reinterpret_cast<internal::GenericFunction>(&internal::FunctorInvoker<ClassType, ReturnType, Args...>::invoke));
return *this;
}
};
////////////////////////////////////////////////////////////////////////////////