private static object Evaluate(ArmExpressionAst node)
{
return(node switch
{
ArmInvocationExpressionAst n =>
ArmExpressionEvaluator.Evaluate(n),
ArmNumericLiteralExpressionAst n =>
ArmExpressionEvaluator.Evaluate(n),
ArmStringLiteralExpressionAst n =>
ArmExpressionEvaluator.Evaluate(n),
_ =>
throw new NotImplementedException()
});
public ArmSubexpressionAst(ArmExpressionAst subexpression)
{
this.Subexpression = subexpression ?? throw new ArgumentNullException(nameof(subexpression));
}
/// <summary>
/// invocation = expression argument_list
/// argument_list = "(" [ argument *( "," argument ) ] ")"
/// argument = expression
/// </summary>
/// <param name="expression"></param>
/// <param name="argumentList"></param>
public ArmElementAccessExpressionAst(ArmExpressionAst expression, ArmBracketedArgumentListAst argumentList)
{
this.Expression = expression ?? throw new ArgumentNullException(nameof(expression));
this.ArgumentList = argumentList ?? throw new ArgumentNullException(nameof(argumentList));
}
/// <summary>
/// member_access = expression operator member_name
/// operator = "."
/// member_name = identifier
/// </summary>
/// <param name="expression"></param>
/// <param name="name"></param>
public ArmMemberAccessExpressionAst(ArmExpressionAst expression, SyntaxToken operatorToken, IdentifierToken name)
{
this.Expression = expression ?? throw new ArgumentNullException(nameof(expression));
this.OperatorToken = operatorToken ?? throw new ArgumentNullException(nameof(operatorToken));
this.Name = name ?? throw new ArgumentNullException(nameof(name));
}
/// <summary>
/// invocation = expression argument_list
/// argument_list = "(" [ argument *( "," argument ) ] ")"
/// argument = expression
/// </summary>
/// <param name="expression"></param>
/// <param name="argumentList"></param>
public ArmInvocationExpressionAst(ArmExpressionAst expression, ArmArgumentListAst argumentList)
{
this.Expression = expression ?? throw new ArgumentNullException(nameof(expression));
this.ArgumentList = argumentList ?? throw new ArgumentNullException(nameof(argumentList));
}
