Handle elsif

Author: kddnewton

lib/syntax_tree/visitor/compiler.rb

@@ -1409,6 +1409,17 @@ def visit_else(node)
         builder.pop unless last_statement?
       end
 
+      def visit_elsif(node)
+        visit_if(
+          IfNode.new(
+            predicate: node.predicate,
+            statements: node.statements,
+            consequent: node.consequent,
+            location: node.location
+          )
+        )
+      end
+
       def visit_field(node)
         visit(node.parent)
       end

test/compiler_test.rb

@@ -257,6 +257,7 @@ class CompilerTest < Minitest::Test
       "foo || bar",
       "if foo then bar end",
       "if foo then bar else baz end",
+      "if foo then bar elsif baz then qux end",
       "foo if bar",
       "foo while bar",
       "for i in [1, 2, 3] do i end",