private IEnumerable ExtractBindingsFromBinaryOperator()

in src/SourceMapToolkit.CallstackDeminifier/FunctionFinderVisitor.cs [96:122]

• 21 lines of code
• 4 McCabe index (conditional complexity)

		private IEnumerable<BindingInformation> ExtractBindingsFromBinaryOperator(BinaryOperator parentBinaryOperator)
		{
			// If the operand has a dot in the name it's a Member. e.g. a.b, a.prototype, a.prototype.b
			Member member = parentBinaryOperator.Operand1 as Member;
			if (member != null)
			{
				// Split members into two parts, on the last dot, so a.prototype.b becomes [a.prototype, b]
				// This separates the generated location for the property/method name (b), and allows deminification
				// to resolve both the class and method names.
				yield return ExtractBindingsFromNode(member.Root);

				// a.prototype splits into [a, prototype], but we throw away the prototype as this doesn't map to anything useful in the original source
				if (member.Name != "prototype")
				{
					int offset = member.NameContext.Code.StartsWith(".") ? 1 : 0;
					yield return new BindingInformation(
						name: member.Name,
						sourcePosition: new SourcePosition(
							zeroBasedLineNumber: member.NameContext.StartLineNumber - 1,
							zeroBasedColumnNumber: member.NameContext.StartColumn + offset));
				}
			}
			else
			{
				yield return ExtractBindingsFromNode(parentBinaryOperator.Operand1);
			}
		}