OOJSCall.m File Reference

import "OOJSCall.h"
import "OOJavaScriptEngine.h"
import "OOFunctionAttributes.h"
import "ShipEntity.h"
import "OOCollectionExtractors.h"
import "OOShaderUniformMethodType.h"
import "OOJSVector.h"
import "OOJSQuaternion.h"

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Classes
class	OOJSCallMethodSignatureTemplateClass

Enumerations
enum	MethodType {   kMethodTypeInvalid = kOOShaderUniformTypeInvalid , kMethodTypeCharVoid = kOOShaderUniformTypeChar , kMethodTypeUnsignedCharVoid = kOOShaderUniformTypeUnsignedChar , kMethodTypeShortVoid = kOOShaderUniformTypeShort ,   kMethodTypeUnsignedShortVoid = kOOShaderUniformTypeUnsignedShort , kMethodTypeIntVoid = kOOShaderUniformTypeInt , kMethodTypeUnsignedIntVoid = kOOShaderUniformTypeUnsignedInt , kMethodTypeLongVoid = kOOShaderUniformTypeLong ,   kMethodTypeUnsignedLongVoid = kOOShaderUniformTypeUnsignedLong , kMethodTypeFloatVoid = kOOShaderUniformTypeFloat , kMethodTypeDoubleVoid = kOOShaderUniformTypeDouble , kMethodTypeVectorVoid = kOOShaderUniformTypeVector ,   kMethodTypeQuaternionVoid = kOOShaderUniformTypeQuaternion , kMethodTypeMatrixVoid = kOOShaderUniformTypeMatrix , kMethodTypePointVoid = kOOShaderUniformTypePoint , kMethodTypeObjectVoid = kOOShaderUniformTypeObject ,   kMethodTypeObjectObject , kMethodTypeVoidVoid , kMethodTypeVoidObject }

Functions
static MethodType	GetMethodType (id object, SEL selector)
OOINLINE BOOL	MethodExpectsParameter (MethodType type)
BOOL	OOJSCallObjCObjectMethod (JSContext *context, id object, NSString *oo_jsClassName, uintN argc, jsval *argv, jsval *outResult)
static BOOL	SignatureMatch (NSMethodSignature *sig, SEL selector)

Variables
	__pad0__

Enumeration Type Documentation

MethodType

enum MethodType

Enumerator
kMethodTypeInvalid
kMethodTypeCharVoid
kMethodTypeUnsignedCharVoid
kMethodTypeShortVoid
kMethodTypeUnsignedShortVoid
kMethodTypeIntVoid
kMethodTypeUnsignedIntVoid
kMethodTypeLongVoid
kMethodTypeUnsignedLongVoid
kMethodTypeFloatVoid
kMethodTypeDoubleVoid
kMethodTypeVectorVoid
kMethodTypeQuaternionVoid
kMethodTypeMatrixVoid
kMethodTypePointVoid
kMethodTypeObjectVoid
kMethodTypeObjectObject
kMethodTypeVoidVoid
kMethodTypeVoidObject

Definition at line 41 of file OOJSCall.m.

{
    kMethodTypeInvalid              = kOOShaderUniformTypeInvalid,
    
    kMethodTypeCharVoid             = kOOShaderUniformTypeChar,
    kMethodTypeUnsignedCharVoid     = kOOShaderUniformTypeUnsignedChar,
    kMethodTypeShortVoid            = kOOShaderUniformTypeShort,
    kMethodTypeUnsignedShortVoid    = kOOShaderUniformTypeUnsignedShort,
    kMethodTypeIntVoid              = kOOShaderUniformTypeInt,
    kMethodTypeUnsignedIntVoid      = kOOShaderUniformTypeUnsignedInt,
    kMethodTypeLongVoid             = kOOShaderUniformTypeLong,
    kMethodTypeUnsignedLongVoid     = kOOShaderUniformTypeUnsignedLong,
    kMethodTypeFloatVoid            = kOOShaderUniformTypeFloat,
    kMethodTypeDoubleVoid           = kOOShaderUniformTypeDouble,
    kMethodTypeVectorVoid           = kOOShaderUniformTypeVector,
    kMethodTypeQuaternionVoid       = kOOShaderUniformTypeQuaternion,
    kMethodTypeMatrixVoid           = kOOShaderUniformTypeMatrix,
    kMethodTypePointVoid            = kOOShaderUniformTypePoint,
    
    kMethodTypeObjectVoid           = kOOShaderUniformTypeObject,
    kMethodTypeObjectObject,
    kMethodTypeVoidVoid,
    kMethodTypeVoidObject
} MethodType;

Function Documentation

GetMethodType()

static MethodType GetMethodType ( id object, SEL selector )

static

Definition at line 214 of file OOJSCall.m.

{
    NSMethodSignature *sig = [object methodSignatureForSelector:selector];
    
    if (SignatureMatch(sig, @selector(voidVoidMethod)))  return kMethodTypeVoidVoid;
    if (SignatureMatch(sig, @selector(voidObjectMethod:)))  return kMethodTypeVoidObject;
    if (SignatureMatch(sig, @selector(objectObjectMethod:)))  return kMethodTypeObjectObject;
    
    MethodType type = (MethodType)OOShaderUniformTypeFromMethodSignature(sig);
    if (type != kMethodTypeInvalid)  return type;
    
    return kMethodTypeInvalid;
}

Referenced by OOJSCallObjCObjectMethod().

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MethodExpectsParameter()

OOINLINE BOOL MethodExpectsParameter

(

MethodType

type

)

Definition at line 68 of file OOJSCall.m.

{ return type == kMethodTypeVoidObject || type == kMethodTypeObjectObject; }

References kMethodTypeObjectObject, and kMethodTypeVoidObject.

Referenced by OOJSCallObjCObjectMethod().

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OOJSCallObjCObjectMethod()

BOOL OOJSCallObjCObjectMethod	(	JSContext *	context,
		id	object,
		NSString *	oo_jsClassName,
		uintN	argc,
		jsval *	argv,
		jsval *	outResult )

Definition at line 71 of file OOJSCall.m.

{
    OOJS_PROFILE_ENTER
    
    NSString                *selectorString = nil;
    SEL                     selector = NULL;
    NSString                *paramString = nil;
    MethodType              type;
    BOOL                    haveParameter = NO,
                            error = NO;
    id                      result = nil;
    
    if (argc == 0)
    {
        OOJSReportError(context, @"%@.callObjC(): no selector specified.", oo_jsClassName);
        return NO;
    }
    
    if ([object isKindOfClass:[ShipEntity class]])
    {
        [PLAYER setScriptTarget:object];
    }
    
    selectorString = OOStringFromJSValue(context, argv[0]);
    
    // Join all parameters together with spaces.
    if (1 < argc && [selectorString hasSuffix:@":"])
    {
        haveParameter = YES;
        paramString = [NSString concatenationOfStringsFromJavaScriptValues:argv + 1 count:argc - 1 separator:@" " inContext:context];
    }
    
    selector = NSSelectorFromString(selectorString);
    
    if ([object respondsToSelector:selector])
    {
        // Validate signature.
        type = GetMethodType(object, selector);
        
        if (MethodExpectsParameter(type) && !haveParameter)
        {
            OOJSReportError(context, @"%@.callObjC(): method %@ requires a parameter.", oo_jsClassName, selectorString);
            error = YES;
        }
        else
        {
            IMP method = [object methodForSelector:selector];
            switch (type)
            {
                case kMethodTypeVoidObject:
                    [object performSelector:selector withObject:paramString];
                    break;
                    
                case kMethodTypeObjectObject:
                    result = [object performSelector:selector withObject:paramString];
                    break;
                    
                case kMethodTypeObjectVoid:
                    result = [object performSelector:selector];
                    if ([selectorString hasSuffix:@"_bool"])  result = [NSNumber numberWithBool:OOBooleanFromObject(result, NO)];
                    break;
                    
                case kMethodTypeVoidVoid:
                    [object performSelector:selector];
                    break;
                    
                case kMethodTypeCharVoid:
                case kMethodTypeUnsignedCharVoid:
                case kMethodTypeShortVoid:
                case kMethodTypeUnsignedShortVoid:
                case kMethodTypeIntVoid:
                case kMethodTypeUnsignedIntVoid:
                case kMethodTypeLongVoid:
                    result = [NSNumber numberWithLongLong:OOCallIntegerMethod(object, selector, method, (OOShaderUniformType)type)];
                    break;
                    
                case kMethodTypeUnsignedLongVoid:
                    result = [NSNumber numberWithUnsignedLongLong:OOCallIntegerMethod(object, selector, method, (OOShaderUniformType)type)];
                    break;
                    
                case kMethodTypeFloatVoid:
                case kMethodTypeDoubleVoid:
                    result = [NSNumber numberWithDouble:OOCallFloatMethod(object, selector, method, (OOShaderUniformType)type)];
                    break;
                    
                case kMethodTypeVectorVoid:
                {
                    Vector v = ((VectorReturnMsgSend)method)(object, selector);
                    *outResult = OBJECT_TO_JSVAL(JSVectorWithVector(context, v));
                    break;
                }
                    
                case kMethodTypeQuaternionVoid:
                {
                    Quaternion q = ((QuaternionReturnMsgSend)method)(object, selector);
                    *outResult = OBJECT_TO_JSVAL(JSQuaternionWithQuaternion(context, q));
                    break;
                }
                    
                case kMethodTypeMatrixVoid:
                case kMethodTypePointVoid:
                case kMethodTypeInvalid:
                    OOJSReportError(context, @"%@.callObjC(): method %@ cannot be called from JavaScript.", oo_jsClassName, selectorString);
                    error = YES;
                    break;
            }
            if (result != nil)
            {
                *outResult = [result oo_jsValueInContext:context];
            }
        }
    }
    else
    {
        OOJSReportError(context, @"%@.callObjC(): %@ does not respond to method %@.", oo_jsClassName, [object shortDescription], selectorString);
        error = YES;
    }
    
    return !error;
    
    OOJS_PROFILE_EXIT
}

References GetMethodType(), JSQuaternionWithQuaternion(), JSVectorWithVector(), kMethodTypeCharVoid, kMethodTypeDoubleVoid, kMethodTypeFloatVoid, kMethodTypeIntVoid, kMethodTypeInvalid, kMethodTypeLongVoid, kMethodTypeMatrixVoid, kMethodTypeObjectObject, kMethodTypeObjectVoid, kMethodTypePointVoid, kMethodTypeQuaternionVoid, kMethodTypeShortVoid, kMethodTypeUnsignedCharVoid, kMethodTypeUnsignedIntVoid, kMethodTypeUnsignedLongVoid, kMethodTypeUnsignedShortVoid, kMethodTypeVectorVoid, kMethodTypeVoidObject, kMethodTypeVoidVoid, MethodExpectsParameter(), nil, OOJS_PROFILE_ENTER, OOJS_PROFILE_EXIT, OOJSReportError(), and OOStringFromJSValue().

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SignatureMatch()

static BOOL SignatureMatch ( NSMethodSignature * sig, SEL selector )

static

Definition at line 205 of file OOJSCall.m.

{
    NSMethodSignature       *template = nil;
    
    template = [OOJSCallMethodSignatureTemplateClass instanceMethodSignatureForSelector:selector];
    return [sig isEqual:template];
}

References nil.

Referenced by OOJSCallMethodSignatureTemplateClass::objectObjectMethod:.

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Variable Documentation

__pad0__

__pad0__

Definition at line 214 of file OOJSCall.m.