more fixes for issue #245 (enormous inspect output lagging REPL)

1. Pry.view_clip no longer uses #inspect, it defaults to #<> syntax (but using Module#name for modules), exception for 'main' object
2. Pry.run_command passes in a blank prompt and blank hooks

Also updated tests

lib/pry/pry_class.rb

@@ -101,9 +101,10 @@ def self.start(target=TOPLEVEL_BINDING, options={})
   # @param max_size The maximum number of chars before clipping occurs.
   # @return [String] The string representation of `obj`.
   def self.view_clip(obj, max_length = 60)
-    if obj.kind_of?(Module) && obj.name && obj.name != "" && obj.name.to_s.length <= max_length
+    if obj.kind_of?(Module) && obj.name.to_s != "" && obj.name.to_s.length <= max_length
       obj.name.to_s
-    elsif obj.inspect.length <= max_length
+    elsif TOPLEVEL_BINDING.eval('self') == obj
+      # special case for 'main' object :)
       obj.inspect
     else
       "#<#{obj.class}:%#x>" % (obj.object_id << 1)
@@ -160,7 +161,7 @@ def self.run_command(command_string, options={})
 
     output = options[:show_output] ? options[:output] : StringIO.new
 
-    Pry.new(:output => output, :input => StringIO.new(command_string), :commands => options[:commands]).rep(options[:context])
+    Pry.new(:output => output, :input => StringIO.new(command_string), :commands => options[:commands], :prompt => proc {""}, :hooks => {}).rep(options[:context])
   end
 
   def self.default_editor_for_platform

lib/pry/version.rb

@@ -1,3 +1,3 @@
 class Pry
-  VERSION = "0.9.4pre2"
+  VERSION = "0.9.4pre5"
 end

test/test_pry.rb

@@ -1126,21 +1126,28 @@ def readline(*args)
 
             VC_MAX_LENGTH = 60
 
-            describe "given an object with an #inspect string shorter than the maximum specified" do
-              it "returns the #inspect string" do
+            describe "given an object with an #inspect string" do
+              it "returns the #<> format of the object (never use inspect)" do
                 o = Object.new
                 def o.inspect; "a" * VC_MAX_LENGTH; end
 
+                Pry.view_clip(o, VC_MAX_LENGTH).should =~ /Object:0x.*?/
+              end
+            end
+
+            describe "given the 'main' object" do
+              it "returns the #inspect of main (special case)" do
+                o = TOPLEVEL_BINDING.eval('self')
                 Pry.view_clip(o, VC_MAX_LENGTH).should == o.inspect
               end
             end
 
             describe "given an object with an #inspect string as long as the maximum specified" do
-              it "returns the #inspect string" do
+              it "returns the #<> format of the object (never use inspect)" do
                 o = Object.new
                 def o.inspect; "a" * VC_MAX_LENGTH; end
 
-                Pry.view_clip(o, VC_MAX_LENGTH).should == o.inspect
+                Pry.view_clip(o, VC_MAX_LENGTH).should =~ /Object:0x.*?/
               end
             end
 
@@ -1151,7 +1158,7 @@ def o.inspect; "a" * VC_MAX_LENGTH; end
                   o = Object.new
                   def o.inspect; "a" * (VC_MAX_LENGTH + 1); end
 
-                  Pry.view_clip(o, VC_MAX_LENGTH).should =~ /Object:0x\d+?/
+                  Pry.view_clip(o, VC_MAX_LENGTH).should =~ /Object:0x.*?/
                 end
               end