90 lines
2.8 KiB
ReStructuredText
90 lines
2.8 KiB
ReStructuredText
debug
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=====
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Manager for DFHack runtime debug prints. Debug prints are grouped by plugin name,
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category name and print level. Levels are ``trace``, ``debug``, ``info``,
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``warning`` and ``error``.
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The runtime message printing is controlled using filters. Filters set the
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visible messages of all matching categories. Matching uses regular expression syntax,
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which allows listing multiple alternative matches or partial name matches.
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This syntax is a C++ version of the ECMA-262 grammar (Javascript regular expressions).
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Details of differences can be found at
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https://en.cppreference.com/w/cpp/regex/ecmascript
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Persistent filters are stored in ``dfhack-config/runtime-debug.json``.
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Oldest filters are applied first. That means a newer filter can override the
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older printing level selection.
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Usage: ``debugfilter [subcommand] [parameters...]``
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The following subcommands are supported:
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help
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----
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Give overall help or a detailed help for a subcommand.
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Usage: ``debugfilter help [subcommand]``
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category
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--------
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List available debug plugin and category names.
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Usage: ``debugfilter category [plugin regex] [category regex]``
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The list can be filtered using optional regex parameters. If filters aren't
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given then the it uses ``"."`` regex which matches any character. The regex
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parameters are good way to test regex before passing them to ``set``.
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filter
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------
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List active and passive debug print level changes.
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Usage: ``debugfilter filter [id]``
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Optional ``id`` parameter is the id listed as first column in the filter list.
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If id is given then the command shows information for the given filter only in
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multi line format that is better format if filter has long regex.
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set
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---
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Creates a new debug filter to set category printing levels.
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Usage: ``debugfilter set [level] [plugin regex] [category regex]``
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Adds a filter that will be deleted when DF process exists or plugin is unloaded.
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Usage: ``debugfilter set persistent [level] [plugin regex] [category regex]``
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Stores the filter in the configuration file to until ``unset`` is used to remove
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it.
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Level is the minimum debug printing level to show in log.
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* ``trace``: Possibly very noisy messages which can be printed many times per second
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* ``debug``: Messages that happen often but they should happen only a couple of times per second
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* ``info``: Important state changes that happen rarely during normal execution
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* ``warning``: Enabled by default. Shows warnings about unexpected events which code managed to handle correctly.
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* ``error``: Enabled by default. Shows errors which code can't handle without user intervention.
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unset
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-----
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Delete a space separated list of filters
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Usage: ``debugfilter unset [id...]``
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disable
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-------
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Disable a space separated list of filters but keep it in the filter list
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Usage: ``debugfilter disable [id...]``
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enable
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------
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Enable a space sperate list of filters
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Usage: ``debugfilter enable [id...]``
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