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Commands

CommandArgumentsDescriptionExample
break<element_id>Create a breakpoint, causing the debugger to stop when the element when element with the <element.id> name is created
break element.foo

clear

 Clear the screen
clear
condition<breakpoint_id> <dfdl_expression>Set a condition on a specified breakpoint. When a break point is encountered, the debugger only pauses if the DFDL expression evaluates to true
condition 1 dfdl:occursIndex() = 3
continue Continue parsing the input data until a breakpoint is encountered. At which point, pause parsing and display a debugger console to the user
continue
delete<breakpoint_id>Delete a specified breakpoint.
delete 1
disable<type> <id>Disable a specified breakpoint or display. To disable a breakpoint, set <type> to "breakpoint". To disable a display, set <type> to "display".
disable breakpoint 1
disable display 1
display<debugger command>Execute a debugger command everytime a debugger console is displayed to the user
display info infoset
enable<type> <id>Enable a specified breakpoint or display. To enable a breakpoint, set <type> to "breakpoint". To enable a display, set <type> to "display".
enable breakpoint 1
enable display 1
eval[type] <dfdl_expression>Evaluate a DFDL expression. The <type> argument determines how to display the result of the dfdl_expression. <type> may be "string", "number", "boolean", or "node". If <type> is not give, then "node" is assumed.
eval number dfdl:occursIndex()
help[<command>]Disable help. If a command is given, display specific help for that command and its subcommands.
help
help info
info<item>...

Print various pieces of internal information to the console. The valid items are:

itemdescription
arrayIndexcurrent index of the element in an array
bitLimitcurrent bit limit
bitPositioncurrent bit position in the data
breakpointslist of breakpoints
childIndexcurrent child index
datainput data
descriminatorwhether or not a descriminator is set
displayslist of displays
groupIndexcurrent group index
infosetcurrent infoset
occursCountoccurs count
pathpath in the schema, using schema component designator
info data infoset
set<setting> <value>

Change a debugger setting. The settings are:

SettingTypeDescription
dataLengthintegernumber of bytes to display when displaying input data. If negative, display all input data.
infosetLinesintegernumber of lines of the infoset to display. This displays the last X number of lines. If negative, display the entire infoset
removeHiddenbooleanwhether or not to remove hidden elements (via dfdl:hiddenGroupRef) when displaying the infoset
wrapLengthintegernumber of character at which to wrap data or infoset when printed to the console
set dataLength -1
set wrapLength 50
set removeHidden true

step

 Perform a single parse action, pause parsing, and display a debugger console to the user
step
undisplay<display_id>Remove a display created using the "display" command
undisplay 1
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