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());
}