[Webkit-unassigned] [Bug 146060] New: Bindings generator should generate code to catch exception and reject promises for Promise-based APIs

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=146060

            Bug ID: 146060
           Summary: Bindings generator should generate code to catch
                    exception and reject promises for Promise-based APIs
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: youennf at gmail.com

A promise returning function is not expected to throw exception.
In case of argument mismatch or other cases, the exceptions should be transmitted to the application by rejecting the promise.
The only case the function should throw is if the function is called on a this value which does not have the right type.
The binding generator should handle these cases properly.

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