[Webkit-unassigned] [Bug 53235] New: Web Inspector: new api for managing JavaScript breakpoints

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=53235

           Summary: Web Inspector: new api for managing JavaScript
                    breakpoints
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Web Inspector
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: podivilov at chromium.org
                CC: timothy at apple.com, rik at webkit.org, keishi at webkit.org,
                    pmuellr at yahoo.com, joepeck at webkit.org,
                    pfeldman at chromium.org, yurys at chromium.org,
                    bweinstein at apple.com, apavlov at chromium.org,
                    loislo at chromium.org


In new protocol, there should be three methods related to JavaScript breakpoints:
[domain=Debugger] void setJavaScriptBreakpoint(in Object breakpoint, out String breakpointId, out Array locations);
[domain=Debugger] void removeJavaScriptBreakpoint(in String breakpointId);
[notify, domain=Debugger] void breakpointResolved(out String breakpointId, out Object location);

breakpoint argument has the following properties:
1. url (optional)
2. sourceID (optional)
3. lineNumber
4. columnNumber (optional, defaults to 1)
5. condition (optional)
6. enabled (optional, defaults to true)
At least one of url and sourceID should be provided.

location specifies actual location where breakpoint was resolved by VM, location has 3 properties: sourceID, lineNumber, columnNumber.

When frontend enables debugger, it should set all JavaScript breakpoints one by one using setJavaScriptBreakpoint method. After that, breakpoints will be resolved in parsed scripts automatically during debugging session (until frontend is closed).
When provisional breakpoint is resolved (e.g. on navigation), breakpointResolved notification is used to update frontend with the new breakpoint location.

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