Module | IRB::ExtendCommandBundle |
In: |
lib/irb/extend-command.rb
lib/irb/ext/use-loader.rb |
IRB extended command
EXCB | = | ExtendCommandBundle |
NO_OVERRIDE | = | 0 |
OVERRIDE_PRIVATE_ONLY | = | 0x01 |
OVERRIDE_ALL | = | 0x02 |
aliases = [commands_alias, flag], …
# File lib/irb/extend-command.rb, line 116 116: def self.def_extend_command(cmd_name, cmd_class, load_file = nil, *aliases) 117: case cmd_class 118: when Symbol 119: cmd_class = cmd_class.id2name 120: when String 121: when Class 122: cmd_class = cmd_class.name 123: end 124: 125: if load_file 126: eval %[ 127: def #{cmd_name}(*opts, &b) 128: require "#{load_file}" 129: eval %[ 130: def #{cmd_name}(*opts, &b) 131: ExtendCommand::#{cmd_class}.execute(irb_context, *opts, &b) 132: end 133: ] 134: send :#{cmd_name}, *opts, &b 135: end 136: ] 137: else 138: eval %[ 139: def #{cmd_name}(*opts, &b) 140: ExtendCommand::#{cmd_class}.execute(irb_context, *opts, &b) 141: end 142: ] 143: end 144: 145: for ali, flag in aliases 146: @ALIASES.push [ali, cmd_name, flag] 147: end 148: end
# File lib/irb/extend-command.rb, line 175 175: def self.extend_object(obj) 176: unless (class<<obj;ancestors;end).include?(EXCB) 177: super 178: for ali, com, flg in @ALIASES 179: obj.install_alias_method(ali, com, flg) 180: end 181: end 182: end
# File lib/irb/extend-command.rb, line 109 109: def self.install_extend_commands 110: for args in @EXTEND_COMMANDS 111: def_extend_command(*args) 112: end 113: end
# File lib/irb/extend-command.rb, line 171 171: def self.irb_original_method_name(method_name) 172: "irb_" + method_name + "_org" 173: end
override = {NO_OVERRIDE, OVERRIDE_PRIVATE_ONLY, OVERRIDE_ALL}
# File lib/irb/extend-command.rb, line 151 151: def install_alias_method(to, from, override = NO_OVERRIDE) 152: to = to.id2name unless to.kind_of?(String) 153: from = from.id2name unless from.kind_of?(String) 154: 155: if override == OVERRIDE_ALL or 156: (override == OVERRIDE_PRIVATE_ONLY) && !respond_to?(to) or 157: (override == NO_OVERRIDE) && !respond_to?(to, true) 158: target = self 159: (class<<self;self;end).instance_eval{ 160: if target.respond_to?(to, true) && 161: !target.respond_to?(EXCB.irb_original_method_name(to), true) 162: alias_method(EXCB.irb_original_method_name(to), to) 163: end 164: alias_method to, from 165: } 166: else 167: print "irb: warn: can't alias #{to} from #{from}.\n" 168: end 169: end
# File lib/irb/extend-command.rb, line 23 23: def irb_exit(ret = 0) 24: irb_context.exit(ret) 25: end
# File lib/irb/ext/use-loader.rb, line 23 23: def irb_load(*opts, &b) 24: ExtendCommand::Load.execute(irb_context, *opts, &b) 25: end