Kouhei Sutou 2019-03-04 18:02:55 +0900 (Mon, 04 Mar 2019) Revision: 993ee782b95e6f075f92e127af9ab95f7fb4935a https://github.com/groonga/groonga/commit/993ee782b95e6f075f92e127af9ab95f7fb4935a Message: expr optimize: add support for unary minus Modified files: lib/mrb/scripts/expression_tree_builder.rb Modified: lib/mrb/scripts/expression_tree_builder.rb (+10 -2) =================================================================== --- lib/mrb/scripts/expression_tree_builder.rb 2019-03-04 17:59:33 +0900 (021842c2a) +++ lib/mrb/scripts/expression_tree_builder.rb 2019-03-04 18:02:55 +0900 (076f3e26f) @@ -32,7 +32,6 @@ module Groonga Operator::SHIFTR, Operator::SHIFTRR, Operator::PLUS, - Operator::MINUS, Operator::STAR, Operator::SLASH, Operator::MOD, @@ -48,7 +47,6 @@ module Groonga UNARY_OPERATIONS = [ Operator::NOT, Operator::BITWISE_NOT, - Operator::MINUS, Operator::INCR, Operator::DECR, Operator::INCR_POST, @@ -108,6 +106,16 @@ module Groonga variable, value) stack.push(node) + when Operator::MINUS + if code.n_args == 1 + value = stack.pop + node = ExpressionTree::UnaryOperation.new(code.op, value) + else + right = stack.pop + left = stack.pop + node = ExpressionTree::BinaryOperation.new(code.op, left, right) + end + stack.push(node) when Operator::GET_REF node = ExpressionTree::Reference.new(code.value) stack.push(node) -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://lists.osdn.me/mailman/archives/groonga-commit/attachments/20190304/acd1d947/attachment.html>
