oc js 调用 函数调用栈

//定义需要暴露给js的内容，这里我们只暴露personName和queryPersonName接口

@protocol PersonProtocol <JSExport>

@property(nonatomic,copy)NSString *personName;

-(NSString *)queryPersonName;

@end

//Person实现PersonProtocol协议，而自己定义的age和queryPersonAge接口不暴露给js

@interface Person : NSObject <PersonProtocol>

@property(nonatomic,assign)NSInteger age;

-(NSInteger)queryPersonAge;

@end

@implementation Person

@synthesize personName = _personName;

-(NSString *)queryPersonName{

    return self.personName;

}

-(NSInteger)queryPersonAge{

    return self.age;

}

@end

-(void)testXXX

{

    JSContext *context = [[JSContext alloc] init];

    

    //创建Person类的对象，将他赋值给js对象

    Person *person=[Person new];

    person.personName = @"Greg";

    person.age = 27;

    context[@"person"]=person;

    

    JSValue *kValue = context[@"person"];

    

    //可以调用获取PersonProtocol暴露的内容

    NSString *personName = [[context evaluateScript:@"person.personName"] toString]; //"Greg"

    NSString *personName1 = [[context evaluateScript:@"person.queryPersonName()"] toString]; //"Greg"

    

    //js无法调用跟age相关的内容

    NSInteger age = [[context evaluateScript:@"person.age"] toInt32]; // 0

    NSInteger age1 = [[context evaluateScript:@"person.queryPersonAge()"] toInt32]; //0

}

* thread #1: tid = 0x15f9d0, 0x0000000109bfcb00 jsContextTest`-[Person queryPersonName](self=0x00007fc74be117f0, _cmd="queryPersonName") + 16 at ViewController.m:28, queue = 'com.apple.main-thread', stop reason = breakpoint 1.1

  * frame #0: 0x0000000109bfcb00 jsContextTest`-[Person queryPersonName](self=0x00007fc74be117f0, _cmd="queryPersonName") + 16 at ViewController.m:28

    frame #1: 0x000000010a57a5cc CoreFoundation`__invoking___ + 140

    frame #2: 0x000000010a57a41e CoreFoundation`-[NSInvocation invoke] + 286

    frame #3: 0x000000010ae0adb3 JavaScriptCore`JSC::ObjCCallbackFunctionImpl::call(JSContext*, OpaqueJSValue*, unsigned long, OpaqueJSValue const* const*, OpaqueJSValue const**) + 451

    frame #4: 0x000000010ae0a926 JavaScriptCore`JSC::objCCallbackFunctionCallAsFunction(OpaqueJSContext const*, OpaqueJSValue*, OpaqueJSValue*, unsigned long, OpaqueJSValue const* const*, OpaqueJSValue const**) + 262

    frame #5: 0x000000010ae0bbad JavaScriptCore`long long JSC::APICallbackFunction::call<JSC::ObjCCallbackFunction>(JSC::ExecState*) + 573

    frame #6: 0x000000010add5340 JavaScriptCore`JSC::LLInt::setUpCall(JSC::ExecState*, JSC::Instruction*, JSC::CodeSpecializationKind, JSC::JSValue, JSC::LLIntCallLinkInfo*) + 528

    frame #7: 0x000000010addc35d JavaScriptCore`llint_entry + 22900

    frame #8: 0x000000010add67d9 JavaScriptCore`vmEntryToJavaScript + 326

    frame #9: 0x000000010aca8959 JavaScriptCore`JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) + 169

    frame #10: 0x000000010ac8f264 JavaScriptCore`JSC::Interpreter::execute(JSC::ProgramExecutable*, JSC::ExecState*, JSC::JSObject*) + 10404

    frame #11: 0x000000010aa9f786 JavaScriptCore`JSC::evaluate(JSC::ExecState*, JSC::SourceCode const&, JSC::JSValue, WTF::NakedPtr<JSC::Exception>&) + 470

    frame #12: 0x000000010acedfb8 JavaScriptCore`JSEvaluateScript + 424

    frame #13: 0x000000010acfcd09 JavaScriptCore`-[JSContext evaluateScript:withSourceURL:] + 105

    frame #14: 0x0000000109bfd3f2 jsContextTest`-[ViewController testXXX](self=0x00007fc74bd4e4e0, _cmd="testXXX") + 370 at ViewController.m:91

    frame #15: 0x000000010b189a8d UIKit`-[UIApplication sendAction:to:from:forEvent:] + 92

    frame #16: 0x000000010b2fce67 UIKit`-[UIControl sendAction:to:forEvent:] + 67

    frame #17: 0x000000010b2fd143 UIKit`-[UIControl _sendActionsForEvents:withEvent:] + 327

    frame #18: 0x000000010b2fc263 UIKit`-[UIControl touchesEnded:withEvent:] + 601

    frame #19: 0x000000010b1fc99f UIKit`-[UIWindow _sendTouchesForEvent:] + 835

    frame #20: 0x000000010b1fd6d4 UIKit`-[UIWindow sendEvent:] + 865

    frame #21: 0x000000010b1a8dc6 UIKit`-[UIApplication sendEvent:] + 263

    frame #22: 0x000000010b182553 UIKit`_UIApplicationHandleEventQueue + 6660

    frame #23: 0x000000010a5b7301 CoreFoundation`__CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17

    frame #24: 0x000000010a5ad22c CoreFoundation`__CFRunLoopDoSources0 + 556

    frame #25: 0x000000010a5ac6e3 CoreFoundation`__CFRunLoopRun + 867

    frame #26: 0x000000010a5ac0f8 CoreFoundation`CFRunLoopRunSpecific + 488

    frame #27: 0x000000010e68cad2 GraphicsServices`GSEventRunModal + 161

    frame #28: 0x000000010b187f09 UIKit`UIApplicationMain + 171

    frame #29: 0x0000000109bfd90f jsContextTest`main(argc=1, argv=0x00007fff56003638) + 111 at main.m:14

    frame #30: 0x000000010d5c292d libdyld.dylib`start + 1

    frame #31: 0x000000010d5c292d libdyld.dylib`start + 1