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, JumpCommand, KillCommand, ListCommand, MethodCommand, MethodSigCommand, NextCommand, PPCommand, PSCommand, PryCommand, PutLCommand, QuitCommand, ReloadCommand, RestartCommand, SaveCommand, SetCommand, ShowCommand, SkipCommand, SourceCommand, StepCommand, TraceCommand, UpCommand, VarClassVarCommand, VarConstantCommand, VarGlobalCommand, VarInheritCommand, VarInstanceCommand, VarLocalCommand, WhereCommand
Defined Under Namespace
Classes: SubcmdStruct
Constant Summary
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- DEF_OPTIONS =
{ allow_in_control: false,
allow_in_post_mortem: true ,
event: true ,
always_run: 0 ,
unknown: false,
need_context: false }
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 167
def initialize(state)
@state = state
end
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Class Method Details
.commands ⇒ Object
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# File 'lib/byebug/command.rb', line 27
def commands
@commands ||= []
end
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.find(subcmds, param) ⇒ Object
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# File 'lib/byebug/command.rb', line 49
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 60
def format_subcmd(subcmd_name)
subcmd = find(self::Subcommands, subcmd_name)
return "Invalid \"#{names.join("|")}\" " \
"subcommand \"#{args[1]}\"." unless subcmd
return "#{subcmd.short_help}.\n" \
"#{subcmd.long_help || '' }"
end
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# File 'lib/byebug/command.rb', line 69
def format_subcmds
cmd_name = names.join("|")
s = "\n" \
"--\n" \
"List of \"#{cmd_name}\" subcommands:\n" \
"--\n"
width = self::Subcommands.map(&:name).max_by(&:size).size
for subcmd in self::Subcommands do
s += sprintf \
"%s %-#{width}s -- %s\n", cmd_name, subcmd.name, subcmd.short_help
end
return s
end
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.help(args) ⇒ Object
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# File 'lib/byebug/command.rb', line 38
def help(args)
output = description.gsub(/^ +/, '')
if defined? self::Subcommands
return output += format_subcmds unless args and args[1]
output += format_subcmd(args[1])
end
return output
end
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.inherited(klass) ⇒ Object
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# File 'lib/byebug/command.rb', line 83
def inherited(klass)
DEF_OPTIONS.each do |o, v|
klass.options[o] = v if klass.options[o].nil?
end
commands << klass
end
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.load_commands ⇒ Object
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# File 'lib/byebug/command.rb', line 90
def load_commands
Dir[File.join(Byebug.const_get(:BYEBUG_DIR), 'commands', '*')].each {
|file| require file if file =~ /\.rb$/ }
Byebug.constants.grep(/Functions$/).map {
|name| Byebug.const_get(name) }.each { |mod| include mod }
end
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.method_missing(meth, *args, &block) ⇒ Object
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# File 'lib/byebug/command.rb', line 97
def method_missing(meth, *args, &block)
if meth.to_s =~ /^(.+?)=$/
@options[$1.intern] = args.first
else
if @options.has_key?(meth)
@options[meth]
else
super
end
end
end
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.options ⇒ Object
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# File 'lib/byebug/command.rb', line 109
def options
@options ||= {}
end
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.register_setting_get(name, &block) ⇒ Object
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# File 'lib/byebug/command.rb', line 142
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 147
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 135
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 118
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 113
def settings_map
@@settings_map ||= {}
end
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Instance Method Details
#match(input) ⇒ Object
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# File 'lib/byebug/command.rb', line 171
def match(input)
@match = regexp.match(input)
end
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