Initial revision

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@2 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 42 insertions, 0 deletions

diff --git a/sample/eval.rb b/sample/eval.rb
new file mode 100644
index 000000000..216bf8ca3
--- /dev/null
+++ b/sample/eval.rb
@@ -0,0 +1,42 @@
+line = ''
+indent=0
+$stdout.sync = TRUE
+print "ruby> "
+while TRUE
+  l = gets
+  unless l
+    break if line == ''
+  else
+    line = line + l 
+    if l =~ /,\s*$/
+      print "ruby| "
+      next
+    end
+    if l =~ /^\s*(class|module|def|if|case|while|for|begin)\b[^_]/
+      indent += 1
+    end
+    if l =~ /^\s*end\b[^_]/
+      indent -= 1
+    end
+    if l =~ /\{\s*(\|.*\|)?\s*$/
+      indent += 1
+    end
+    if l =~ /^\s*\}/
+      indent -= 1
+    end
+    if indent > 0
+      print "ruby| "
+      next
+    end
+  end
+  begin
+    print eval(line).inspect, "\n"
+  rescue
+    $! = 'exception raised' unless $!
+    print "ERR: ", $!, "\n"
+  end
+  break if not l
+  line = ''
+  print "ruby> "
+end
+print "\n"