MethodInvocationExpression.cs

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// Copyright (c) 2014 Silicon Studio Corp. (http://siliconstudio.co.jp)
// This file is distributed under GPL v3. See LICENSE.md for details.
using System;
using System.Collections.Generic;

namespace SiliconStudio.Shaders.Ast
{
    /// <summary>
    /// A method invocation.
    /// </summary>
    public class MethodInvocationExpression : Expression
    {
        /// <summary>
        /// Initializes a new instance of the <see cref="MethodInvocationExpression"/> class.
        /// </summary>
        public MethodInvocationExpression()
        {
            Initialize(null);
        }

        /// <summary>
        /// Initializes a new instance of the <see cref="MethodInvocationExpression"/> class.
        /// </summary>
        /// <param name="name">The name.</param>
        /// <param name="arguments">The arguments.</param>
        public MethodInvocationExpression(string name, params Expression[] arguments)
        {
            Initialize(new VariableReferenceExpression(name), arguments);
        }

        /// <summary>
        /// Initializes a new instance of the <see cref="MethodInvocationExpression"/> class.
        /// </summary>
        /// <param name="target">The target.</param>
        /// <param name="arguments">The arguments.</param>
        public MethodInvocationExpression(Expression target, params Expression[] arguments)
        {
            Initialize(target, arguments);
        }

        private void Initialize(Expression target, params Expression[] arguments)
        {
            Target = target;
            Arguments = new List<Expression>();
            if (arguments != null)
                Arguments.AddRange(arguments);            
        }

        /// <summary>
        /// Gets or sets the target.
        /// </summary>
        /// <value>
        /// The target.
        /// </value>
        public Expression Target { get; set; }

        /// <summary>
        /// Gets or sets the arguments.
        /// </summary>
        /// <value>
        /// The arguments.
        /// </value>
        public List<Expression> Arguments { get; set; }

        /// <inheritdoc/>
        public override IEnumerable<Node> Childrens()
        {
            ChildrenList.Clear();
            ChildrenList.AddRange(Arguments);
            ChildrenList.Add(Target);
            return ChildrenList;
        }

        /// <inheritdoc/>
        public override string ToString()
        {
            return string.Format("{0}({1})", Target, string.Join(",", Arguments));
        }
    }
}