improving repl experience

1 files changed, 53 insertions, 8 deletions

diff --git a/controllers/interfaces/repl.rb b/controllers/interfaces/repl.rb
index fd16ea6..bf581a7 100644
--- a/controllers/interfaces/repl.rb
+++ b/controllers/interfaces/repl.rb
@@ -10,6 +10,21 @@ module NanoBot
   module Controllers
     module Interfaces
       module REPL
+        COMMANDS_TO_BE_REMOVED = [
+          'help', 'cd', 'find-method', 'ls', 'pry-backtrace', 'raise-up', 'reset', 'watch',
+          'whereami', 'wtf?', '!', 'amend-line', 'edit', 'hist', 'show-input', 'ri', 'show-doc',
+          'show-source', 'stat', 'import-set', 'play', '!!!', '!!@', '$', '?', '@', 'file-mode',
+          'history', 'quit', 'quit-program', 'reload-method', 'show-method', 'cat',
+          'change-inspector', 'change-prompt', 'clear-screen', 'fix-indent', 'list-inspectors',
+          'save-file', 'shell-mode', 'pry-version', 'reload-code', 'toggle-color', '!pry',
+          'disable-pry', 'jump-to', 'nesting', 'switch-to',
+          'pry-theme'
+        ].freeze
+
+        COMMANDS_TO_KEEP = [
+          '/whereami[!?]+/', '.<shell command>', 'exit', 'exit-all', 'exit-program'
+        ].freeze
+
         def self.boot(cartridge, session, prefix = nil, suffix = nil, as: 'repl')
           return unless Logic::Helpers::Hash.fetch(cartridge, %i[behaviors boot instruction])
 
@@ -31,13 +46,7 @@ module NanoBot
 
           prompt = self.prompt(cartridge)
 
-          Pry.config.prompt = Pry::Prompt.new(
-            'REPL',
-            'REPL Prompt',
-            [proc { prompt }, proc { 'MISSING INPUT' }]
-          )
-
-          Pry.commands.block_command(/(.*)/, 'handler') do |line|
+          handler = proc do |line|
             session.print(prefix) unless prefix.nil?
             session.evaluate_and_print(line, mode: 'repl')
             session.print(suffix) unless suffix.nil?
@@ -45,7 +54,43 @@ module NanoBot
             session.flush
           end
 
-          Pry.start
+          pry_prompt = Pry::Prompt.new(
+            'REPL',
+            'REPL Prompt',
+            [proc { prompt }, proc { 'MISSING INPUT' }]
+          )
+
+          pry_instance = Pry.new({ prompt: pry_prompt })
+
+          pry_instance.config.correct_indent = false
+
+          pry_instance.config.completer = Struct.new(:initialize, :call) do
+            def initialize(...); end
+            def call(...); end
+          end
+
+          first_whereami = true
+
+          pry_instance.config.commands.block_command(/whereami --quiet(.*)/, '/whereami[!?]+/') do |line|
+            unless first_whereami
+              handler.call(line.nil? ? 'whereami --quiet' : "whereami --quiet#{line}")
+            end
+            first_whereami = false
+          end
+
+          pry_instance.config.commands.block_command(/\.(.*)/, '.<shell command>') do |line|
+            handler.call(line.nil? ? '.' : ".#{line}")
+          end
+
+          COMMANDS_TO_BE_REMOVED.each do |command|
+            pry_instance.config.commands.block_command(command, 'handler') do |line|
+              handler.call(line.nil? ? command : "#{command} #{line}")
+            end
+          end
+
+          pry_instance.commands.block_command(/(.*)/, 'handler', &handler)
+
+          Pry::REPL.new(pry_instance).start
         end
 
         def self.prompt(cartridge)