Class: Byebug::Command
- Inherits:
-
Object
show all
- Extended by:
- Forwardable
- Defined in:
- lib/byebug/command.rb
Direct Known Subclasses
AddDisplayCommand, BreakCommand, CatchCommand, ConditionCommand, ContinueCommand, DeleteCommand, DeleteDisplayCommand, DisableCommand, DisplayCommand, DownCommand, Edit, EnableCommand, EvalCommand, FinishCommand, FrameCommand, HelpCommand, IRBCommand, InfoCommand, KillCommand, ListCommand, MethodCommand, MethodSigCommand, NextCommand, PPCommand, PSCommand, PryCommand, PutLCommand, QuitCommand, ReloadCommand, RestartCommand, SaveCommand, SetCommand, ShowCommand, SkipCommand, SourceCommand, StepCommand, ThreadCurrentCommand, ThreadListCommand, ThreadResumeCommand, ThreadStopCommand, ThreadSwitchCommand, TraceCommand, UpCommand, VarClassVarCommand, VarConstantCommand, VarGlobalCommand, VarInheritCommand, VarInstanceCommand, VarLocalCommand, WhereCommand
Defined Under Namespace
Classes: Subcmd
Class Attribute Summary collapse
Class Method Summary
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Instance Method Summary
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Constructor Details
#initialize(state) ⇒ Command
Returns a new instance of Command.
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# File 'lib/byebug/command.rb', line 159
def initialize(state)
@match, @state = nil, state
end
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Class Attribute Details
.allow_in_control ⇒ Object
Returns the value of attribute allow_in_control.
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# File 'lib/byebug/command.rb', line 26
def allow_in_control
@allow_in_control
end
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.allow_in_post_mortem ⇒ Object
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# File 'lib/byebug/command.rb', line 29
def allow_in_post_mortem
@allow_in_post_mortem ||= !defined?(@allow_in_post_mortem) ? true : false
end
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.always_run ⇒ Object
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# File 'lib/byebug/command.rb', line 33
def always_run
@always_run ||= 0
end
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.need_context ⇒ Object
Returns the value of attribute need_context.
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# File 'lib/byebug/command.rb', line 26
def need_context
@need_context
end
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.unknown ⇒ Object
Returns the value of attribute unknown.
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# File 'lib/byebug/command.rb', line 26
def unknown
@unknown
end
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Class Method Details
.command_exists?(command) ⇒ Boolean
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# File 'lib/byebug/command.rb', line 129
def command_exists?(command)
ENV['PATH'].split(File::PATH_SEPARATOR).any? {
|d| File.exist? File.join(d, command) }
end
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.commands ⇒ Object
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# File 'lib/byebug/command.rb', line 22
def commands
@commands ||= []
end
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.find(subcmds, param) ⇒ Object
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# File 'lib/byebug/command.rb', line 47
def find(subcmds, param)
param.downcase!
for try_subcmd in subcmds do
if (param.size >= try_subcmd.min) and
(try_subcmd.name[0..param.size-1] == param)
return try_subcmd
end
end
return nil
end
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# File 'lib/byebug/command.rb', line 58
def format_subcmd(subcmd_name)
subcmd = find(self::Subcommands, subcmd_name)
return "Invalid \"#{names.join("|")}\" " \
"subcommand \"#{args[1]}\"." unless subcmd
return "#{subcmd.help}.\n"
end
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# File 'lib/byebug/command.rb', line 66
def format_subcmds
cmd_name = names.join("|")
s = "\n" \
"--\n" \
"List of \"#{cmd_name}\" subcommands:\n" \
"--\n"
w = self::Subcommands.map(&:name).max_by(&:size).size
for subcmd in self::Subcommands do
s += sprintf "%s %-#{w}s -- %s\n", cmd_name, subcmd.name, subcmd.help
end
return s
end
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.help(args) ⇒ Object
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# File 'lib/byebug/command.rb', line 37
def help(args)
if args && args[1]
output = format_subcmd(args[1])
else
output = description.gsub(/^ +/, '') + "\n"
output += format_subcmds if defined? self::Subcommands
end
output
end
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.inherited(klass) ⇒ Object
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# File 'lib/byebug/command.rb', line 79
def inherited(klass)
commands << klass
end
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.load_commands ⇒ Object
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# File 'lib/byebug/command.rb', line 83
def load_commands
Dir[File.join(File.dirname(__FILE__), 'commands', '*')].each {
|file| require file }
Byebug.constants.grep(/Functions$/).map {
|name| Byebug.const_get(name) }.each { |mod| include mod }
end
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.register_setting_get(name, &block) ⇒ Object
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# File 'lib/byebug/command.rb', line 119
def register_setting_get(name, &block)
settings_map[name] ||= {}
settings_map[name][:getter] = block
end
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.register_setting_set(name, &block) ⇒ Object
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# File 'lib/byebug/command.rb', line 124
def register_setting_set(name, &block)
settings_map[name] ||= {}
settings_map[name][:setter] = block
end
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.register_setting_var(name, default) ⇒ Object
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# File 'lib/byebug/command.rb', line 112
def register_setting_var(name, default)
var_name = "@@#{name}"
class_variable_set(var_name, default)
register_setting_get(name) { class_variable_get(var_name) }
register_setting_set(name) { |value| class_variable_set(var_name, value) }
end
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.settings ⇒ Object
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# File 'lib/byebug/command.rb', line 95
def settings
unless defined? @settings and @settings
@settings = Object.new
map = settings_map
c = class << @settings; self end
c.send(:define_method, :[]) do |name|
raise "No such setting #{name}" unless map.has_key?(name)
map[name][:getter].call
end
c.send(:define_method, :[]=) do |name, value|
raise "No such setting #{name}" unless map.has_key?(name)
map[name][:setter].call(value)
end
end
@settings
end
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.settings_map ⇒ Object
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# File 'lib/byebug/command.rb', line 90
def settings_map
@@settings_map ||= {}
end
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.terminal_width ⇒ Object
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# File 'lib/byebug/command.rb', line 134
def terminal_width
if ENV['COLUMNS'] =~ /^\d+$/
ENV['COLUMNS'].to_i
elsif STDIN.tty? && command_exists?('stty')
`stty size`.scan(/\d+/)[1].to_i
else
nil
end
end
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Instance Method Details
#match(input) ⇒ Object
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# File 'lib/byebug/command.rb', line 163
def match(input)
@match = regexp.match(input)
end
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