Merge pull request #208 from ruby-syntax-tree/fix-toregexp

Fix implementing toregexp

Author: kddnewton

lib/syntax_tree/visitor/compiler.rb

@@ -750,6 +750,11 @@ def topn(number)
           iseq.push([:topn, number])
         end
 
+        def toregexp(options, length)
+          stack.change_by(-length + 1)
+          iseq.push([:toregexp, options, length])
+        end
+
         private
 
         # This creates a call data object that is used as the operand for the

test/compiler_test.rb

@@ -270,6 +270,8 @@ class CompilerTest < Minitest::Test
       "{ foo => bar, baz => qux }",
       "%s[foo]",
       "[$1, $2, $3, $4, $5, $6, $7, $8, $9]",
+      "/foo \#{bar} baz/",
+      "%r{foo \#{bar} baz}",
       # Core method calls
       "alias foo bar",
       "alias :foo :bar",