Class: Byebug::EditCommand
Class Method Summary
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Instance Method Summary
collapse
Methods inherited from Command
commands, find, format_subcmd, format_subcmds, help, inherited, #initialize, load_commands, #match
Class Method Details
.description ⇒ Object
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# File 'lib/byebug/commands/edit.rb', line 39
def description
%{edit[ file:lineno]\tEdit specified file.
With no argument, edits file containing most recent line listed.
Editing targets can also be specified to start editing at a specific
line in a specific file.}
end
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.names ⇒ Object
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# File 'lib/byebug/commands/edit.rb', line 35
def names
%w(edit)
end
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Instance Method Details
#execute ⇒ Object
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# File 'lib/byebug/commands/edit.rb', line 9
def execute
if not @match[1]
unless @state.file
return errmsg "We are not in a state that has an associated file.\n"
end
file = @state.file
line = @state.line if @state.line
elsif @pos_match = /([^:]+)[:]([0-9]+)/.match(@match[1])
file, line = @pos_match.captures
elsif File.exist?(@match[1])
file = @match[1]
else
return errmsg "Invalid file[:line] number specification: #{@match[1]}\n"
end
editor = ENV['EDITOR'] || 'vim'
if File.readable?(file)
system("#{editor} +#{line} #{file}") if line
system("#{editor} #{file}") unless line
else
errmsg "File \"#{file}\" is not readable.\n"
end
end
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#regexp ⇒ Object
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# File 'lib/byebug/commands/edit.rb', line 5
def regexp
/^\s* ed(?:it)? (?:\s+(\S+))? \s*$/x
end
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