Exemple #1
0
        public static void Gen(string input, string output)
        {
            var types = Syntax.ParseTypes(File.ReadAllText(input));

            StringBuilder sb = new StringBuilder();

            for (int i = 0; i < types.Count; i++)
            {
                sb.AppendLine();
                var type = types[i];
                if (type.comments != null)
                {
                    sb.AppendLine("// " + type.comments);
                }

                if (type.is_abstract)
                {
                    sb.AppendLine("public abstract class " + type.name + " : " + type.basename);
                }
                else
                {
                    sb.AppendLine("public class " + type.name + " : " + type.basename);
                }
                sb.AppendLine("{");
                for (int j = 0; j < type.fields.Count; j++)
                {
                    if (j > 0)
                    {
                        sb.AppendLine();
                    }
                    var field = type.fields[j];
                    if (field.comments != null)
                    {
                        sb.AppendLine("\t// " + field.comments);
                    }
                    sb.AppendLine("\tpublic " + field.type + " m" + field.name + ";");
                }
                sb.AppendLine();
                sb.Append("\tpublic " + type.name + "(");
                var fs = GetAllFields(types, type);
                for (int j = 0; j < fs.Count; j++)
                {
                    if (j > 0)
                    {
                        sb.Append(", ");
                    }
                    var field = fs[j];
                    sb.Append(field.type + " " + field.name);
                }
                sb.AppendLine(")");
                if (fs.Count != type.fields.Count)
                {
                    sb.Append("\t\t: base(");
                    for (int j = 0; j < fs.Count - type.fields.Count; j++)
                    {
                        if (j > 0)
                        {
                            sb.Append(", ");
                        }
                        var field = fs[j];
                        sb.Append(field.name);
                    }
                    sb.AppendLine(")");
                }
                sb.AppendLine("\t{");
                for (int j = fs.Count - type.fields.Count; j < fs.Count; j++)
                {
                    var field = fs[j];
                    sb.AppendLine("\t\tthis.m" + field.name + " = " + field.name + ";");
                }
                sb.AppendLine("\t}");
                if (!type.is_abstract)
                {
                    sb.AppendLine();
                    sb.AppendLine("\tpublic override int Count => " + fs.Count + ";");
                    sb.AppendLine("\tpublic override SyntaxNode GetAt(int index)");
                    sb.AppendLine("\t{");
                    if (fs.Count > 0)
                    {
                        sb.AppendLine("\t\tswitch (index)");
                        sb.AppendLine("\t\t{");
                        for (int j = 0; j < fs.Count; j++)
                        {
                            var field = fs[j];
                            sb.AppendLine("\t\tcase " + j + ":");
                            sb.AppendLine("\t\t\treturn m" + field.name + ";");
                        }
                        sb.AppendLine("\t\t}");
                    }
                    sb.AppendLine("\t\treturn null;");
                    sb.AppendLine("\t}");
                    sb.AppendLine("\tpublic override void Accept(SyntaxVisitor visitor)");
                    sb.AppendLine("\t{");
                    sb.AppendLine("\t\tvisitor.Visit" + type.name + "(this);");
                    sb.AppendLine("\t}");
                }
                sb.AppendLine("}");
            }

            File.WriteAllText(output + "gen_Syntax.cs", sb.ToString());

            sb.Clear();

            sb.AppendLine("public abstract class SyntaxVisitor");
            sb.AppendLine("{");
            sb.AppendLine("\tpublic virtual void DefaultVisit(SyntaxNode value)");
            sb.AppendLine("\t{");
            sb.AppendLine("\t}");
            for (int i = 0; i < types.Count; i++)
            {
                sb.AppendLine();
                var type = types[i];
                if (type.comments != null)
                {
                    sb.AppendLine("\t// " + type.comments);
                }
                sb.AppendLine("\tpublic virtual void Visit" + type.name + "(" + type.name + " value)");
                sb.AppendLine("\t{");
                sb.AppendLine("\t\tDefaultVisit(value);");
                sb.AppendLine("\t}");
            }
            sb.AppendLine("}");
            File.WriteAllText(output + "gen_SyntaxVisitor.cs", sb.ToString());
        }