protected virtual BoundExpression RewriteCompoundAssignmentExpression(BoundCompoundAssignmentExpression node)
{
var boundVariableExpression = new BoundVariableExpression(node.Variable);
var boundBinaryExpression = new BoundBinaryExpression(boundVariableExpression, node.Op, node.Expression);
var boundAssignmentExpression = new BoundAssignmentExpression(node.Variable, boundBinaryExpression);
return(RewriteAssignmentExpression(boundAssignmentExpression));
}
protected virtual BoundExpression RewriteBinaryExpression(BoundBinaryExpression node)
{
var left = RewriteExpression(node.Left);
var right = RewriteExpression(node.Right);
if (left == node.Left && right == node.Right)
return node;
return new BoundBinaryExpression(left, node.Op, right);
}
private static void WriteBinaryExpression(BoundBinaryExpression node, IndentedTextWriter writer)
{
var precedence = SyntaxFacts.GetBinaryOperatorPrecedence(node.Operator.SyntaxKind);
writer.WriteNestedExpression(precedence, node.Left);
writer.WriteSpace();
writer.WritePunctuation(node.Operator.SyntaxKind);
writer.WriteSpace();
writer.WriteNestedExpression(precedence, node.Right);
}