[macruby-changes] [4599] DietRB/trunk

[source_changes at macosforge.org]

Revision: 4599
          http://trac.macosforge.org/projects/ruby/changeset/4599
Author:   eloy.de.enige at gmail.com
Date:     2010-10-08 03:46:35 -0700 (Fri, 08 Oct 2010)
Log Message:
-----------
Start on IRB::Context, which uses a copy of the binding of a given object to evaluate code in.

From: Eloy Duran <eloy.de.enige at gmail.com>

Modified Paths:
--------------
    DietRB/trunk/spec/source_spec.rb

Added Paths:
-----------
    DietRB/trunk/Rakefile
    DietRB/trunk/lib/irb/context.rb
    DietRB/trunk/lib/irb.rb
    DietRB/trunk/spec/context_spec.rb
    DietRB/trunk/spec/spec_helper.rb

Added: DietRB/trunk/Rakefile
===================================================================
--- DietRB/trunk/Rakefile	                        (rev 0)
+++ DietRB/trunk/Rakefile	2010-10-08 10:46:35 UTC (rev 4599)
@@ -0,0 +1,11 @@
+task :default => :spec
+
+desc "Run the specs"
+task :spec do
+  sh "macbacon #{FileList['spec/**/*_spec.rb'].join(' ')}"
+end
+
+desc "Run specs with Kicker"
+task :kick do
+  sh "kicker -e 'rake spec' lib spec"
+end
\ No newline at end of file

Added: DietRB/trunk/lib/irb/context.rb
===================================================================
--- DietRB/trunk/lib/irb/context.rb	                        (rev 0)
+++ DietRB/trunk/lib/irb/context.rb	2010-10-08 10:46:35 UTC (rev 4599)
@@ -0,0 +1,14 @@
+module IRB
+  class Context
+    attr_reader :object, :binding
+    
+    def initialize(object)
+      @object = object
+      @binding = object.instance_eval { binding }
+    end
+    
+    def evaluate(source)
+      eval(source, @binding)
+    end
+  end
+end
\ No newline at end of file

Added: DietRB/trunk/lib/irb.rb
===================================================================
--- DietRB/trunk/lib/irb.rb	                        (rev 0)
+++ DietRB/trunk/lib/irb.rb	2010-10-08 10:46:35 UTC (rev 4599)
@@ -0,0 +1,2 @@
+require 'irb/context'
+require 'irb/source'
\ No newline at end of file

Added: DietRB/trunk/spec/context_spec.rb
===================================================================
--- DietRB/trunk/spec/context_spec.rb	                        (rev 0)
+++ DietRB/trunk/spec/context_spec.rb	2010-10-08 10:46:35 UTC (rev 4599)
@@ -0,0 +1,25 @@
+require File.expand_path('../spec_helper', __FILE__)
+
+main = self
+
+describe "IRB::Context" do
+  before do
+    @context = IRB::Context.new(main)
+  end
+  
+  it "initializes with an object and stores a copy of its binding" do
+    @context.object.should == main
+    eval("self", @context.binding).should == main
+    eval("x = :ok", @context.binding)
+    eval("y = x", @context.binding)
+    eval("y", @context.binding).should == :ok
+  end
+  
+  it "does not use the same binding copy of the top level object" do
+    lambda { eval("x", @context.binding) }.should.raise NameError
+  end
+  
+  it "evaluates code with the object's binding" do
+    @context.evaluate("self").should == main
+  end
+end
\ No newline at end of file

Modified: DietRB/trunk/spec/source_spec.rb
===================================================================
--- DietRB/trunk/spec/source_spec.rb	2010-10-08 10:46:22 UTC (rev 4598)
+++ DietRB/trunk/spec/source_spec.rb	2010-10-08 10:46:35 UTC (rev 4599)
@@ -1,11 +1,5 @@
-require 'rubygems'
-require 'bacon'
+require File.expand_path('../spec_helper', __FILE__)
 
-ROOT = File.expand_path('../../', __FILE__)
-$:.unshift File.join(ROOT, 'lib')
-
-require 'irb/source'
-
 describe "IRB::Source" do
   before do
     @source = IRB::Source.new

Added: DietRB/trunk/spec/spec_helper.rb
===================================================================
--- DietRB/trunk/spec/spec_helper.rb	                        (rev 0)
+++ DietRB/trunk/spec/spec_helper.rb	2010-10-08 10:46:35 UTC (rev 4599)
@@ -0,0 +1,7 @@
+require 'rubygems'
+require 'bacon'
+
+ROOT = File.expand_path('../../', __FILE__)
+$:.unshift File.join(ROOT, 'lib')
+
+require 'irb'
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