Building an Arithmetic Expression Parser with Precedence Levels

To extend a simple calculator to evaluate full arithmetic expressions—including those with mixed operators and parentheses—we structure the grammar in hierarchical layers, each representing a different precedence level. This ensures correct evaluation order without requiring explicit parentheses in every case. The grammar is divided into three ...

Posted on Thu, 18 Jun 2026 17:14:09 +0000 by psy