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Komodo's sample project includes a number of programs in
different languages. Use these sample programs to familiarize
yourself with Komodo's functionality.
On Komodo's Start Page,
click Open Sample Project. The Sample Project
and its associated files will display on the Projects tab.
To open a sample program, double-click the file name on the
Projects tab. The contents of the file will
display in the Editor Pane.
Komodo includes sample programs written in Perl, Python,
JavaScript, PHP, Tcl, and XSLT. Each program is annotated with
comments and exercises that describe Komodo's language-specific
features. Open the sample programs for languages that interest you,
and read the comments to explore Komodo's editing features.
Komodo provides debugging support for Perl, Python, PHP, Tcl
and XSLT. Komodo works with the core language distribution for
Perl, Python and PHP to provide interpreter support. XSLT, on the
other hand, is entirely self-contained. To debug the sample files
for Perl, Python, PHP and Tcl, you must configure the location of
the language interpreter. See Configuring
the Perl Debugger, Configuring
the Python Debugger, Configuring
the Tcl Debugger, or Debugging PHP for
instructions. Then open the sample file for the desired language,
and view the comments in the "Debugging" section. General
debugging functionality is discussed below.
- Breakpoints: In the sample program, click
on the gray margin to the immediate left of the Editor Pane. A
green circle will appear, indicating that a breakpoint
has been set. When you run the debugger, program processing
will stop at lines where breakpoints have been set.
- Start / Step Over / Step In: To start
debugging,
click the "Go" button on the Debug Toolbar. When debugging
begins, the Bottom Pane will be
displayed beneath the Editor Pane in the Komodo workspace. The
program will run until a breakpoint is encountered; when
program execution pauses at a breakpoint, click "Step In" to
move through the program in single line increments, or "Step
Over" to execute the entire function (as applicable), or "Step
Out" to execute the remainder of a function (as
applicable).
- Debug Tab: The tab labeled Debug:
<filename> is displayed when debugging
begins. In addition to the debug output, the Debug tab
displays the call stack, variables, and variable values.
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