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lib/irb.rb: simplified backtrace filtering

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61434 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2017-12-24 01:52:21 +00:00
parent 13247fa417
commit 43e64b8585
1 changed files with 11 additions and 18 deletions
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29
lib/irb.rb
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@ -508,31 +508,24 @@ module IRB
lasts = []
levels = 0
if exc.backtrace
filtered_line_count = 0
exc.backtrace.each_with_index do |m, i|
num_str = (i + 1 - filtered_line_count).to_s.rjust(9, ' ')
m = @context.workspace.filter_backtrace(m) unless irb_bug
if m
if messages.size < @context.back_trace_limit
messages.push "#{num_str}: from "+m
else
lasts.push "#{num_str}: from "+m
if lasts.size > @context.back_trace_limit
lasts.shift
levels += 1
end
end
else
filtered_line_count += 1
count = 0
exc.backtrace.each do |m|
m = @context.workspace.filter_backtrace(m) or next unless irb_bug
m = sprintf("%9d: from %s", (count += 1), m)
if messages.size < @context.back_trace_limit
messages.push(m)
elsif lasts.size < @context.back_trace_limit
lasts.push(m).shift
levels += 1
end
end
end
print "Traceback (most recent call last):\n"
unless lasts.empty?
print lasts.reverse.join("\n"), "\n"
puts lasts.reverse
printf "... %d levels...\n", levels if levels > 0
end
print messages.reverse.join("\n"), "\n"
puts messages.reverse
print exc.class, ": ", exc, "\n"
print "Maybe IRB bug!\n" if irb_bug
end