rangecheck-generator.cs

rangecheck-generator.cs

using System;
using System.IO;

static class Program
{
    static void WL(string str) => File.AppendAllText(@"C:\prj\t.cs", str + Environment.NewLine);

    static void Main()
    {
        string[] values =
        {
            "(uint)Rva.Length",
            "Rva.Length",
            "(uint)Rva.Length - 1",
            "Rva.Length - 1",
            "(uint)Rva.Length + 1",
            "Rva.Length + 1",
            "0",
            "-1",
            "1",
            "4",
            "5",
            "6",
            "int.MaxValue",
            "int.MinValue",
        };

        string[] indexes = 
        {
            "index",
            "(uint)index",
            "(uint)index - 1",
            "(uint)index + 1",
            "(index + 1)",
            "(uint)(index + 1)",
            "(index - 1)",
            "(uint)(index - 1)",
        };

        string[] operators =
        {
            ">", 
            "<", 
            "<=", 
            ">=", 
            "==", 
            "!="
        };

        int testIdx = 0;
        for (int i = 0; i < values.Length; i++)
        {
            for (int j = 0; j < indexes.Length; j++)
            {
                for (int k = 0; k < operators.Length; k++)
                {
                    string upperBound = values[i];
                    string index = indexes[j];
                    string relop = operators[k];

                    WL("[MethodImpl(MethodImplOptions.NoInlining | MethodImplOptions.AggressiveOptimization)]");
                    WL($"public static int Test_{testIdx++}(int index)");
                    WL("{");
                    WL($"    if ({index} {relop} {upperBound})");
                    WL("        return Rva[index];");
                    WL("");
                    WL("    return 0;");
                    WL("}");
                    WL("");

                    WL("[MethodImpl(MethodImplOptions.NoInlining | MethodImplOptions.AggressiveOptimization)]");
                    WL($"public static int Test_{testIdx++}(int index)");
                    WL("{");
                    WL($"    if ({upperBound} {relop} {index})");
                    WL("        return Rva[index];");
                    WL("");
                    WL("    return 0;");
                    WL("}");
                    WL("");


                    WL("[MethodImpl(MethodImplOptions.NoInlining | MethodImplOptions.AggressiveOptimization)]");
                    WL($"public static int Test_{testIdx++}(int index)");
                    WL("{");
                    WL($"    if ({index} {relop} {upperBound})");
                    WL("        return 0;");
                    WL("");
                    WL("    return Rva[index];");
                    WL("}");
                    WL("");

                    WL("[MethodImpl(MethodImplOptions.NoInlining | MethodImplOptions.AggressiveOptimization)]");
                    WL($"public static int Test_{testIdx++}(int index)");
                    WL("{");
                    WL($"    if ({upperBound} {relop} {index})");
                    WL("        return 0;");
                    WL("");
                    WL("    return Rva[index];");
                    WL("}");
                    WL("");
                }
            }
        }
    }
}