using Canon.Core.Abstractions;
using Canon.Core.CodeGenerators;
using Canon.Core.Enums;

namespace Canon.Core.SyntaxNodes;

public class Subprogram : NonTerminatedSyntaxNode
{
    public override NonTerminatorType Type => NonTerminatorType.Subprogram;

    /// <summary>
    /// 子程序头部
    /// </summary>
    public SubprogramHead Head => Children[0].Convert<SubprogramHead>();

    /// <summary>
    /// 子程序体
    /// </summary>
    public SubprogramBody Body => Children[2].Convert<SubprogramBody>();

    public override void PreVisit(SyntaxNodeVisitor visitor)
    {
        visitor.PreVisit(this);
    }

    public override void PostVisit(SyntaxNodeVisitor visitor)
    {
        visitor.PostVisit(this);
    }

    public static Subprogram Create(List<SyntaxNodeBase> children)
    {
        return new Subprogram { Children = children };
    }

    public override void GenerateCCode(CCodeBuilder builder)
    {
        //子函数头
        Head.GenerateCCode(builder);
        //子函数体
        builder.AddString("{");
        Body.GenerateCCode(builder);
        builder.AddString("}");
    }
}