# Sablotron Guide and Reference

Debugging XSLT | .General
#### Summary Sablotron can be used as XSLT debugger.
#### Syntax
    These commands can be used from the debugger command line:

    Processed data:
       data filename        - sets the data file
       param name value     - sets the external parameter
       P                    - lists all params
       PP                   - clears all params
       sheet filename       - sets the stylesheet
    Breakpoints:
       break filename:line  - sets the breakpoint
       bstat                - shows breakpoint stats (total/enabled/break)
       B                    - lists all breakpoints
       condition num cond   - for the breakpoint NUM sets the condition COND
       del num              - deletes the breakpoint NUM
       disable num          - toggles the breakpoint number NUM
       D                    - deletes all breakpoints
       ignore num count     - ignores the breakpoint NUM for COUNT times
    Execution control:
       continue             - continues the execution
       finish               - finishes the current node parent
       kill                 - stops the processing immediately
       next                 - goes to the next sibling
       run                  - runs the processor
       step                 - continues until the next element
       templ                - continues until the next template executed
    Evaluation:
       eval                 - evaluates the XPath expression
       x [list | num]       - examines the current context
    Miscellaneous:
       batch filename       - loads the command set for file
       help                 - prints this help
       output               - toggles output on/off
       point                - shows where you are
       quit                 - quites the debugger
#### Description Run `'sabcmd --debugger'` to invoke the debugger. Then, you can trace execution of your templates. The only point, where the debugger can stop the execution is the element start.
#### Notes Abbreviations You need to type as few letters to specify the command as is needed to recognize, what you mean. The most frequent command may be run with single letter not caring, whether another command starts with this letter. The `s' abbrev runs the `step' command rather the `sheet'. Emacs Integration There is an Emacs library available. You may use it to debug your stylesheets in Emacs directly. You need to grab the sabdbg.el from the Sablotron source tree and to add a couple of lines into your .emacs file. Look at doc/misc/DEBUGGER file in Sablotron distribution for more details.
#### See Also
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© 2002-2003 Ginger Alliance
revision 03-06-30
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