[Webkit-unassigned] [Bug 193544] New: [JSC] Reduce size of SourceProvider

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=193544

            Bug ID: 193544
           Summary: [JSC] Reduce size of SourceProvider
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: yusukesuzuki at slowstart.org

SourceProvider is commonly used to represent code. Since JSC has bunch of string code internally (builtin JS), it easily bloat the number of SourceProvider (raw JSC shell has 208 StringSourceProvider).
We can easily reduce the size of SourceProvider by reordering. Furthermore, we can separately create BuiltinSourceProvider which does not have any source map information.

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