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have invokeFrameCallback print the right stack (#3351)

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Exception stack variable was shadowing the function argument stack.
This commit is contained in:
Ian Hickson 2016-04-15 13:18:37 -07:00
parent e41c1c0b06
commit d9ca22a397
1 changed files with 6 additions and 6 deletions
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12
packages/flutter/lib/src/scheduler/scheduler.dart
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@ -296,20 +296,20 @@ abstract class Scheduler extends BindingBase {
/// the error.
///
/// Must not be called reentrantly from within a frame callback.
void invokeFrameCallback(FrameCallback callback, Duration timeStamp, [ StackTrace stack ]) {
void invokeFrameCallback(FrameCallback callback, Duration timeStamp, [ StackTrace callbackStack ]) {
assert(callback != null);
assert(_FrameCallbackEntry.currentCallbackStack == null);
assert(() { _FrameCallbackEntry.currentCallbackStack = stack; return true; });
assert(() { _FrameCallbackEntry.currentCallbackStack = callbackStack; return true; });
try {
callback(timeStamp);
} catch (exception, stack) {
} catch (exception, exceptionStack) {
FlutterError.reportError(new FlutterErrorDetails(
exception: exception,
stack: stack,
stack: exceptionStack,
library: 'scheduler library',
context: 'during a scheduler callback',
informationCollector: (stack == null) ? null : (StringBuffer information) {
information.writeln('When this callback was registered, this was the stack:\n$stack');
informationCollector: (callbackStack == null) ? null : (StringBuffer information) {
information.writeln('When this callback was registered, this was the stack:\n$callbackStack');
}
));
}