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Using Breakpoints

The Stylus Studio debugger allows you to interrupt XQuery processing to gather information about variables and XQuery expression execution at particular points.

Inserting Breakpoints

To insert a breakpoint:

1. In the XQuery document in which you want to set a breakpoint, place your cursor where you want the breakpoint to be.

2. Click Toggle Breakpoint or press F9. Stylus Studio inserts a blank stop sign

to the left of the line with the breakpoint.

Removing Breakpoints

To remove a breakpoint:

1. Click in the line that has the breakpoint.

2. Press F9 or click Toggle Breakpoint.

Alternative: In the Stylus Studio toolbar, click Breakpoints to display a list of breakpoints in all open files. You can selectively remove one or more, remove them all, or jump to one of them.

Start Debugging

When your XQuery has one or more breakpoints set, start processing by clicking Start Debugging or pressing F5. When Stylus Studio reaches the first breakpoint, it suspends processing and activates the debugging tools. After you examine the information associated with that breakpoint (see Viewing Processing Information) you can choose to

Step into - click

or press F11.

Step over - click

or press F10.

Step out - click

or press Shift+F11.

Run to cursor - click

.

Continue processing - press F5.

Stop processing - click Stop Debugging

in the Stylus Studio toolbar, or click Cancel in the lower right corner of the XQuery editor, or press Shift+F5.


Note		You can also click Pause to suspend XQuery processing. Stylus Studio flags the line it was processing when you clicked Pause.

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HTML Tidy

HTML Tidy is a program for turning HTML into something that can be parsed as XML, unlocking their data for use in XSLT and XQuery programs. Learn how to use HTML Tidy in Stylus Studio now.

Computing XML Differences in Stylus Studio

See for yourself just how easy it is to visually compare different XML files or folders using Stylus Studio's powerful new XML Differencing Utility. Quickly and easily analyze and merge changes made to different XML documents!

W3C XML Specifications

Learn about the official W3C XML specifications for XML, XSLT, XQuery, XPath, DOM, XML Namespaces, XInclude, XML Base, XPointer, WSDL and more.

Improving XSLT and XQuery Performance with Stylus Studio

This online video demonstration covers XQuery and XSLT performance tuning using the Stylus Studio XSLT profiler and the XQuery profiler.

Stylus Most Wanted

W3C Member

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