From d74c6a363cf457a2197f3f10c0d567a77573e79c Mon Sep 17 00:00:00 2001 From: Baitinq Date: Sat, 29 Mar 2025 11:22:13 +0100 Subject: Feature: Add basic support for pointer references and dereferences --- src/evaluator.zig | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) (limited to 'src/evaluator.zig') diff --git a/src/evaluator.zig b/src/evaluator.zig index f3c0a6c..5d97eed 100644 --- a/src/evaluator.zig +++ b/src/evaluator.zig @@ -186,12 +186,17 @@ pub const Evaluator = struct { }, .UNARY_EXPRESSION => |x| { const val = try self.get_expression_value(x.expression) orelse return EvaluatorError.EvaluationError; - if (!x.negation) { - std.debug.assert(val.* == .NUMBER); - return try self.create_variable(.{ .NUMBER = -val.NUMBER }); + switch (x.typ) { + .NOT => { + std.debug.assert(val.* == .BOOLEAN); + return try self.create_variable(.{ .BOOLEAN = !val.BOOLEAN }); + }, + .MINUS => { + std.debug.assert(val.* == .NUMBER); + return try self.create_variable(.{ .NUMBER = -val.NUMBER }); + }, + else => unreachable, } - std.debug.assert(val.* == .BOOLEAN); - return try self.create_variable(.{ .BOOLEAN = !val.BOOLEAN }); }, .EQUALITY_EXPRESSION => |x| { const lhs = try self.get_expression_value(x.lhs) orelse return EvaluatorError.EvaluationError; -- cgit 1.4.1