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Use JSC block API

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Summary:
public

Clean up the `RCTContextExecutor` a little bit by converting the exposed hooks to use the ObjC API.

Reviewed By: nicklockwood

Differential Revision: D2757363

fb-gh-sync-id: c6f5f53c5c1adb78af1cdb449268b6b3cc9740e8
This commit is contained in:
Tadeu Zagallo 2015-12-15 05:32:24 -08:00 committed by facebook-github-bot-3
parent c46936a00d
commit 03a0e4ee2b
1 changed files with 31 additions and 90 deletions
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121
React/Executors/RCTContextExecutor.m
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@ -102,38 +102,6 @@ RCT_NOT_IMPLEMENTED(-(instancetype)init)
RCT_EXPORT_MODULE() RCT_EXPORT_MODULE()
/**
* The one tiny pure native hook that we implement is a native logging hook.
* You could even argue that this is not necessary - we could plumb logging
* calls through a batched bridge, but having the pure native hook allows
* logging to successfully come through even in the event that a batched bridge
* crashes.
*/
static JSValueRef RCTNativeLoggingHook(JSContextRef context, __unused JSObjectRef object, __unused JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef *exception)
{
if (argumentCount > 0) {
NSString *message = RCTJSValueToNSString(context, arguments[0], exception);
RCTLogLevel level = RCTLogLevelInfo;
if (argumentCount > 1) {
level = MAX(level, JSValueToNumber(context, arguments[1], exception));
}
_RCTLogJavaScriptInternal(level, message);
}
return JSValueMakeUndefined(context);
}
// Do-very-little native hook for testing.
static JSValueRef RCTNoop(JSContextRef context, __unused JSObjectRef object, __unused JSObjectRef thisObject, __unused size_t argumentCount, __unused const JSValueRef arguments[], __unused JSValueRef *exception)
{
static int counter = 0;
counter++;
return JSValueMakeUndefined(context);
}
static NSString *RCTJSValueToNSString(JSContextRef context, JSValueRef value, JSValueRef *exception) static NSString *RCTJSValueToNSString(JSContextRef context, JSValueRef value, JSValueRef *exception)
{ {
JSStringRef JSString = JSValueToStringCopy(context, value, exception); JSStringRef JSString = JSValueToStringCopy(context, value, exception);
@ -165,43 +133,6 @@ static NSError *RCTNSErrorFromJSError(JSContextRef context, JSValueRef jsError)
#if RCT_DEV #if RCT_DEV
static JSValueRef RCTNativeTraceBeginSection(JSContextRef context, __unused JSObjectRef object, __unused JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef *exception)
{
static int profileCounter = 1;
NSString *profileName;
double tag = 0;
if (argumentCount > 0) {
if (JSValueIsNumber(context, arguments[0])) {
tag = JSValueToNumber(context, arguments[0], NULL);
} else {
profileName = RCTJSValueToNSString(context, arguments[0], exception);
}
} else {
profileName = [NSString stringWithFormat:@"Profile %d", profileCounter++];
}
if (argumentCount > 1 && JSValueIsString(context, arguments[1])) {
profileName = RCTJSValueToNSString(context, arguments[1], exception);
}
if (profileName) {
RCT_PROFILE_BEGIN_EVENT(tag, profileName, nil);
}
return JSValueMakeUndefined(context);
}
static JSValueRef RCTNativeTraceEndSection(JSContextRef context, __unused JSObjectRef object, __unused JSObjectRef thisObject, __unused size_t argumentCount, __unused const JSValueRef arguments[], JSValueRef *exception)
{
if (argumentCount > 0) {
double tag = JSValueToNumber(context, arguments[0], exception);
RCT_PROFILE_END_EVENT((uint64_t)tag, @"console", nil);
}
return JSValueMakeUndefined(context);
}
static void RCTInstallJSCProfiler(RCTBridge *bridge, JSContextRef context) static void RCTInstallJSCProfiler(RCTBridge *bridge, JSContextRef context)
{ {
if (RCTJSCProfilerIsSupported()) { if (RCTJSCProfilerIsSupported()) {
@ -298,16 +229,27 @@ static void RCTInstallJSCProfiler(RCTBridge *bridge, JSContextRef context)
if (!strongSelf.isValid) { if (!strongSelf.isValid) {
return; return;
} }
if (!strongSelf->_context) { if (!strongSelf->_context) {
JSContext *context = [JSContext new]; JSContext *context = [JSContext new];
strongSelf->_context = [[RCTJavaScriptContext alloc] initWithJSContext:context]; strongSelf->_context = [[RCTJavaScriptContext alloc] initWithJSContext:context];
} }
[strongSelf _addNativeHook:RCTNativeLoggingHook withName:"nativeLoggingHook"];
[strongSelf _addNativeHook:RCTNoop withName:"noop"];
__weak RCTBridge *weakBridge = strongSelf->_bridge; __weak RCTBridge *weakBridge = strongSelf->_bridge;
JSContext *context = strongSelf->_context.context;
strongSelf->_context.context[@"nativeRequireModuleConfig"] = ^NSString *(NSString *moduleName) { context[@"noop"] = ^{};
context[@"nativeLoggingHook"] = ^(NSString *message, NSNumber *logLevel) {
RCTLogLevel level = RCTLogLevelInfo;
if (logLevel) {
level = MAX(level, logLevel.integerValue);
}
_RCTLogJavaScriptInternal(level, message);
};
context[@"nativeRequireModuleConfig"] = ^NSString *(NSString *moduleName) {
if (!weakSelf.valid) { if (!weakSelf.valid) {
return nil; return nil;
} }
@ -318,39 +260,47 @@ static void RCTInstallJSCProfiler(RCTBridge *bridge, JSContextRef context)
return nil; return nil;
}; };
strongSelf->_context.context[@"nativeFlushQueueImmediate"] = ^(NSArray<NSArray *> *calls){ context[@"nativeFlushQueueImmediate"] = ^(NSArray<NSArray *> *calls){
if (!weakSelf.valid || !calls) { if (!weakSelf.valid || !calls) {
return; return;
} }
[weakBridge handleBuffer:calls batchEnded:NO]; [weakBridge handleBuffer:calls batchEnded:NO];
}; };
strongSelf->_context.context[@"RCTPerformanceNow"] = ^{ context[@"RCTPerformanceNow"] = ^{
return CACurrentMediaTime() * 1000 * 1000; return CACurrentMediaTime() * 1000 * 1000;
}; };
#if RCT_DEV #if RCT_DEV
if (RCTProfileIsProfiling()) { if (RCTProfileIsProfiling()) {
strongSelf->_context.context[@"__RCTProfileIsProfiling"] = @YES; context[@"__RCTProfileIsProfiling"] = @YES;
} }
CFMutableDictionaryRef cookieMap = CFDictionaryCreateMutable(NULL, 0, NULL, NULL); CFMutableDictionaryRef cookieMap = CFDictionaryCreateMutable(NULL, 0, NULL, NULL);
strongSelf->_context.context[@"nativeTraceBeginAsyncSection"] = ^(uint64_t tag, NSString *name, NSUInteger cookie) { context[@"nativeTraceBeginAsyncSection"] = ^(uint64_t tag, NSString *name, NSUInteger cookie) {
NSUInteger newCookie = RCTProfileBeginAsyncEvent(tag, name, nil); NSUInteger newCookie = RCTProfileBeginAsyncEvent(tag, name, nil);
CFDictionarySetValue(cookieMap, (const void *)cookie, (const void *)newCookie); CFDictionarySetValue(cookieMap, (const void *)cookie, (const void *)newCookie);
return;
}; };
strongSelf->_context.context[@"nativeTraceEndAsyncSection"] = ^(uint64_t tag, NSString *name, NSUInteger cookie) { context[@"nativeTraceEndAsyncSection"] = ^(uint64_t tag, NSString *name, NSUInteger cookie) {
NSUInteger newCookie = (NSUInteger)CFDictionaryGetValue(cookieMap, (const void *)cookie); NSUInteger newCookie = (NSUInteger)CFDictionaryGetValue(cookieMap, (const void *)cookie);
RCTProfileEndAsyncEvent(tag, @"js,async", newCookie, name, nil); RCTProfileEndAsyncEvent(tag, @"js,async", newCookie, name, nil);
CFDictionaryRemoveValue(cookieMap, (const void *)cookie); CFDictionaryRemoveValue(cookieMap, (const void *)cookie);
return;
}; };
[strongSelf _addNativeHook:RCTNativeTraceBeginSection withName:"nativeTraceBeginSection"]; context[@"nativeTraceBeginSection"] = ^(NSNumber *tag, NSString *profileName){
[strongSelf _addNativeHook:RCTNativeTraceEndSection withName:"nativeTraceEndSection"]; static int profileCounter = 1;
if (!profileName) {
profileName = [NSString stringWithFormat:@"Profile %d", profileCounter++];
}
RCT_PROFILE_BEGIN_EVENT(tag.longLongValue, profileName, nil);
};
context[@"nativeTraceEndSection"] = ^(NSNumber *tag) {
RCT_PROFILE_END_EVENT(tag.longLongValue, @"console", nil);
};
RCTInstallJSCProfiler(_bridge, strongSelf->_context.ctx); RCTInstallJSCProfiler(_bridge, strongSelf->_context.ctx);
@ -374,15 +324,6 @@ static void RCTInstallJSCProfiler(RCTBridge *bridge, JSContextRef context)
}]; }];
} }
- (void)_addNativeHook:(JSObjectCallAsFunctionCallback)hook withName:(const char *)name
{
JSObjectRef globalObject = JSContextGetGlobalObject(_context.ctx);
JSStringRef JSName = JSStringCreateWithUTF8CString(name);
JSObjectSetProperty(_context.ctx, globalObject, JSName, JSObjectMakeFunctionWithCallback(_context.ctx, JSName, hook), kJSPropertyAttributeNone, NULL);
JSStringRelease(JSName);
}
- (void)invalidate - (void)invalidate
{ {
if (!self.isValid) { if (!self.isValid) {