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体验新版 GitCode,发现更多精彩内容 >>
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185aa821
编写于
1月 06, 2012
作者:
R
Rafael Mendonça França
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activesupport/lib/active_support/backtrace_cleaner.rb
activesupport/lib/active_support/backtrace_cleaner.rb
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activesupport/lib/active_support/backtrace_cleaner.rb
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module
ActiveSupport
# Backtraces often include many lines that are not relevant for the context under review. This makes it hard to find the
# Backtraces often include many lines that are not relevant for the context under review. This makes it hard to find the
# signal amongst the backtrace noise, and adds debugging time. With a BacktraceCleaner, filters and silencers are used to
# remove the noisy lines, so that only the most relevant lines remain.
#
# Filters are used to modify lines of data, while silencers are used to remove lines entirely. The typical filter use case
# is to remove lengthy path information from the start of each line, and view file paths relevant to the app directory
# instead of the file system root. The typical silencer use case is to exclude the output of a noisy library from the
# is to remove lengthy path information from the start of each line, and view file paths relevant to the app directory
# instead of the file system root. The typical silencer use case is to exclude the output of a noisy library from the
# backtrace, so that you can focus on the rest.
#
# ==== Example:
...
...
@@ -15,9 +15,9 @@ module ActiveSupport
# bc.add_silencer { |line| line =~ /mongrel|rubygems/ }
# bc.clean(exception.backtrace) # will strip the Rails.root prefix and skip any lines from mongrel or rubygems
#
# To reconfigure an existing BacktraceCleaner (like the default one in Rails) and show as much data as possible, you can
# always call <tt>BacktraceCleaner#remove_silencers!</tt>, which will restore the backtrace to a pristine state. If you
# need to reconfigure an existing BacktraceCleaner so that it does not filter or modify the paths of any lines of the
# To reconfigure an existing BacktraceCleaner (like the default one in Rails) and show as much data as possible, you can
# always call <tt>BacktraceCleaner#remove_silencers!</tt>, which will restore the backtrace to a pristine state. If you
# need to reconfigure an existing BacktraceCleaner so that it does not filter or modify the paths of any lines of the
# backtrace, you can call BacktraceCleaner#remove_filters! These two methods will give you a completely untouched backtrace.
#
# Inspired by the Quiet Backtrace gem by Thoughtbot.
...
...
@@ -50,7 +50,7 @@ def add_filter(&block)
@filters
<<
block
end
# Adds a silencer from the block provided. If the silencer returns true for a given line, it will be excluded from
# Adds a silencer from the block provided. If the silencer returns true for a given line, it will be excluded from
# the clean backtrace.
#
# Example:
...
...
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