public static SqlStatement Statement(PlSqlParser.AssignmentStatementContext context)
{
SqlExpression varRef;
if (context.general_element() != null) {
var element = ElementNode.Form(context.general_element());
if (element.Argument != null &&
element.Argument.Length > 0)
throw new ParseCanceledException("Invalid assignment: cannot assign a function");
var name = element.Id;
if (name.Parent != null)
throw new ParseCanceledException("Invalid assignment.");
varRef = SqlExpression.VariableReference(name.ToString());
} else if (context.bind_variable() != null) {
var varName = Name.Variable(context.bind_variable());
varRef = SqlExpression.VariableReference(varName);
} else {
throw new ParseCanceledException("Invalid assignment syntax");
}
var valueExp = Expression.Build(context.expression());
return new AssignVariableStatement(varRef, valueExp);
}
