diff options
Diffstat (limited to 'ruby_1_8_6/lib/irb/context.rb')
| -rw-r--r-- | ruby_1_8_6/lib/irb/context.rb | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/ruby_1_8_6/lib/irb/context.rb b/ruby_1_8_6/lib/irb/context.rb new file mode 100644 index 0000000000..d01bd4aefa --- /dev/null +++ b/ruby_1_8_6/lib/irb/context.rb @@ -0,0 +1,255 @@ +# +# irb/context.rb - irb context +# $Release Version: 0.9.5$ +# $Revision$ +# $Date$ +# by Keiju ISHITSUKA(keiju@ruby-lang.org) +# +# -- +# +# +# +require "irb/workspace" + +module IRB + class Context + # + # Arguments: + # input_method: nil -- stdin or readline + # String -- File + # other -- using this as InputMethod + # + def initialize(irb, workspace = nil, input_method = nil, output_method = nil) + @irb = irb + if workspace + @workspace = workspace + else + @workspace = WorkSpace.new + end + @thread = Thread.current if defined? Thread +# @irb_level = 0 + + # copy of default configuration + @ap_name = IRB.conf[:AP_NAME] + @rc = IRB.conf[:RC] + @load_modules = IRB.conf[:LOAD_MODULES] + + @use_readline = IRB.conf[:USE_READLINE] + @inspect_mode = IRB.conf[:INSPECT_MODE] + + self.math_mode = IRB.conf[:MATH_MODE] if IRB.conf[:MATH_MODE] + self.use_tracer = IRB.conf[:USE_TRACER] if IRB.conf[:USE_TRACER] + self.use_loader = IRB.conf[:USE_LOADER] if IRB.conf[:USE_LOADER] + self.eval_history = IRB.conf[:EVAL_HISTORY] if IRB.conf[:EVAL_HISTORY] + + @ignore_sigint = IRB.conf[:IGNORE_SIGINT] + @ignore_eof = IRB.conf[:IGNORE_EOF] + + @back_trace_limit = IRB.conf[:BACK_TRACE_LIMIT] + + self.prompt_mode = IRB.conf[:PROMPT_MODE] + + if IRB.conf[:SINGLE_IRB] or !defined?(JobManager) + @irb_name = IRB.conf[:IRB_NAME] + else + @irb_name = "irb#"+IRB.JobManager.n_jobs.to_s + end + @irb_path = "(" + @irb_name + ")" + + case input_method + when nil + case use_readline? + when nil + if (defined?(ReadlineInputMethod) && STDIN.tty? && + IRB.conf[:PROMPT_MODE] != :INF_RUBY) + @io = ReadlineInputMethod.new + else + @io = StdioInputMethod.new + end + when false + @io = StdioInputMethod.new + when true + if defined?(ReadlineInputMethod) + @io = ReadlineInputMethod.new + else + @io = StdioInputMethod.new + end + end + + when String + @io = FileInputMethod.new(input_method) + @irb_name = File.basename(input_method) + @irb_path = input_method + else + @io = input_method + end + self.save_history = IRB.conf[:SAVE_HISTORY] if IRB.conf[:SAVE_HISTORY] + + if output_method + @output_method = output_method + else + @output_method = StdioOutputMethod.new + end + + @verbose = IRB.conf[:VERBOSE] + @echo = IRB.conf[:ECHO] + if @echo.nil? + @echo = true + end + @debug_level = IRB.conf[:DEBUG_LEVEL] + end + + def main + @workspace.main + end + + attr_reader :workspace_home + attr_accessor :workspace + attr_reader :thread + attr_accessor :io + + attr_accessor :irb + attr_accessor :ap_name + attr_accessor :rc + attr_accessor :load_modules + attr_accessor :irb_name + attr_accessor :irb_path + + attr_reader :use_readline + attr_reader :inspect_mode + + attr_reader :prompt_mode + attr_accessor :prompt_i + attr_accessor :prompt_s + attr_accessor :prompt_c + attr_accessor :prompt_n + attr_accessor :auto_indent_mode + attr_accessor :return_format + + attr_accessor :ignore_sigint + attr_accessor :ignore_eof + attr_accessor :echo + attr_accessor :verbose + attr_reader :debug_level + + attr_accessor :back_trace_limit + + alias use_readline? use_readline + alias rc? rc + alias ignore_sigint? ignore_sigint + alias ignore_eof? ignore_eof + alias echo? echo + + def verbose? + if @verbose.nil? + if defined?(ReadlineInputMethod) && @io.kind_of?(ReadlineInputMethod) + false + elsif !STDIN.tty? or @io.kind_of?(FileInputMethod) + true + else + false + end + end + end + + def prompting? + verbose? || (STDIN.tty? && @io.kind_of?(StdioInputMethod) || + (defined?(ReadlineInputMethod) && @io.kind_of?(ReadlineInputMethod))) + end + + attr_reader :last_value + + def set_last_value(value) + @last_value = value + @workspace.evaluate self, "_ = IRB.CurrentContext.last_value" + end + + attr_reader :irb_name + + def prompt_mode=(mode) + @prompt_mode = mode + pconf = IRB.conf[:PROMPT][mode] + @prompt_i = pconf[:PROMPT_I] + @prompt_s = pconf[:PROMPT_S] + @prompt_c = pconf[:PROMPT_C] + @prompt_n = pconf[:PROMPT_N] + @return_format = pconf[:RETURN] + if ai = pconf.include?(:AUTO_INDENT) + @auto_indent_mode = ai + else + @auto_indent_mode = IRB.conf[:AUTO_INDENT] + end + end + + def inspect? + @inspect_mode.nil? or @inspect_mode + end + + def file_input? + @io.class == FileInputMethod + end + + def inspect_mode=(opt) + if opt + @inspect_mode = opt + else + @inspect_mode = !@inspect_mode + end + print "Switch to#{unless @inspect_mode; ' non';end} inspect mode.\n" if verbose? + @inspect_mode + end + + def use_readline=(opt) + @use_readline = opt + print "use readline module\n" if @use_readline + end + + def debug_level=(value) + @debug_level = value + RubyLex.debug_level = value + SLex.debug_level = value + end + + def debug? + @debug_level > 0 + end + + def evaluate(line, line_no) + @line_no = line_no + set_last_value(@workspace.evaluate(self, line, irb_path, line_no)) +# @workspace.evaluate("_ = IRB.conf[:MAIN_CONTEXT]._") +# @_ = @workspace.evaluate(line, irb_path, line_no) + end + + alias __exit__ exit + def exit(ret = 0) + IRB.irb_exit(@irb, ret) + end + + NOPRINTING_IVARS = ["@last_value"] + NO_INSPECTING_IVARS = ["@irb", "@io"] + IDNAME_IVARS = ["@prompt_mode"] + + alias __inspect__ inspect + def inspect + array = [] + for ivar in instance_variables.sort{|e1, e2| e1 <=> e2} + name = ivar.sub(/^@(.*)$/){$1} + val = instance_eval(ivar) + case ivar + when *NOPRINTING_IVARS + array.push format("conf.%s=%s", name, "...") + when *NO_INSPECTING_IVARS + array.push format("conf.%s=%s", name, val.to_s) + when *IDNAME_IVARS + array.push format("conf.%s=:%s", name, val.id2name) + else + array.push format("conf.%s=%s", name, val.inspect) + end + end + array.join("\n") + end + alias __to_s__ to_s + alias to_s inspect + end +end |