add mruby sources

1 files changed, 79 insertions, 0 deletions

diff --git a/mrblib/array.rb b/mrblib/array.rb
new file mode 100644
index 000000000..a70832399
--- /dev/null
+++ b/mrblib/array.rb
@@ -0,0 +1,79 @@
+#
+#  Array
+#
+class Array
+  # 15.2.12.5.10
+  def each(&block)
+    idx = 0
+    while(idx < length)
+      block.call(self[idx])
+      idx += 1
+    end
+    self
+  end
+
+  # 15.2.12.5.11
+  def each_index(&block)
+    idx = 0
+    while(idx < length)
+      block.call(idx)
+      idx += 1
+    end
+    self
+  end
+
+  # 15.2.12.5.7
+  def collect!(&block)
+    self.each_index{|idx|
+      self[idx] = block.call(self[idx])
+    }
+    self
+  end
+
+  # 15.2.12.5.20
+  # map!(&block)
+  alias map! collect!
+
+  # 15.2.12.5.15
+  def initialize(size=0, obj=nil, &block)
+    raise TypeError, "expected Integer for 1st argument" unless size.kind_of? Integer
+    raise ArgumentError, "negative array size" if size < 0
+
+    self.clear
+    if size > 0
+      self[size - 1] = nil  # allocate
+
+      idx = 0
+      while(idx < size)
+        self[idx] = (block)? block.call(idx): obj
+        idx += 1
+      end
+    end
+
+    self
+  end
+
+  def delete(key, &block)
+    while i = self.index(key)
+      self.delete_at(i)
+      ret = key
+    end
+    if ret == nil && block
+      block.call
+    else
+      ret
+    end
+  end
+end
+
+# include modules
+module Enumerable; end
+module Comparable; end
+class Array
+  include Enumerable
+  include Comparable
+
+  def sort!(&block)
+    self.replace(self.sort(&block))
+  end
+end