Added index error to index expression

drizzle-lang · Feb 28, 2019 · 81530d8 · 81530d8
1 parent ef54ff3
commit 81530d8
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Showing 2 changed files with 6 additions and 5 deletions.
diff --git a/spec/evaluator_spec.cr b/spec/evaluator_spec.cr
@@ -328,7  328,7 @@ describe Drizzle::Evaluator do
       },
       {
         "[1, 2, 3][3]",
-        nil,
         "IndexError: Index out of bounds (3)",
       },
       {
         "[1, 2, 3][-1]",
@@ -337,10  337,11 @@ describe Drizzle::Evaluator do
     }
     tests.each do |test|
       evaluated = test_eval test[0]
-      if test[1].nil?
-        test_null evaluated
       if test[1].is_a?(String)
         evaluated.object_type.should eq Drizzle::Object::ObjectType::ERROR
         evaluated.as(Drizzle::Object::Error).message.should eq test[1]
       else
-        test_integer evaluated, test[1].not_nil!
         test_integer evaluated, test[1].to_i64
       end
     end
   end

diff --git a/src/drizzle/evaluator.cr b/src/drizzle/evaluator.cr
@@ -308,7  308,7 @@ module Drizzle
       max_index = list.elements.size - 1
 
       if index_val < min_index || index_val > max_index
-        return @@NULL
         return new_error "IndexError: Index out of bounds (#{index_val})"
       end
       # handle negative indexing
       if index_val < 0