static public void emitBuildins(CodeEmitor emitor)
{
emit_print(emitor);
emit_println(emitor);
emit_clock(emitor);
emit_format(emitor);
emit_push(emitor);
emit_random(emitor);
}
public static void emitBuildins(CodeEmitor emitor)
{
emit_print(emitor);
emit_println(emitor);
emit_clock(emitor);
emit_format(emitor);
emit_push(emitor);
emit_random(emitor);
}
public StmtNodeVisitor_CodeEmitor(CodeEmitor emitor, FuncMeta meta)
{
Emitor = emitor;
FuncMeta = meta;
var methodBuilder = emitor.TypeBuilder.DefineMethod(meta.Name, MethodAttributes.Static | MethodAttributes.Public, CallingConventions.Standard,
meta.Name == "Main" ? typeof(int) : typeof(object), Enumerable.Repeat(typeof(object), meta.ArgCount).ToArray());
ILGenerator = methodBuilder.GetILGenerator();
emitor.FuncName2MethodInfo[meta.Name] = methodBuilder;
}
private static void emit_format(CodeEmitor emitor)
{
var funcName = "format";
var methodBuilder = emitor.TypeBuilder.DefineMethod(funcName, MethodAttributes.Private | MethodAttributes.Static, CallingConventions.Standard, typeof(object), new Type[] { typeof(string), typeof(List<object>) });
emitor.FuncName2MethodInfo[funcName] = methodBuilder;
var ilGenerator = methodBuilder.GetILGenerator();
ilGenerator.Emit(OpCodes.Ldarg_0);
ilGenerator.Emit(OpCodes.Ldarg_1);
ilGenerator.Emit(OpCodes.Callvirt, typeof(List<object>).GetMethod("ToArray"));
ilGenerator.Emit(OpCodes.Call, typeof(string).GetMethod("Format", new Type[]{typeof(string), typeof(object[])}));
ilGenerator.Emit(OpCodes.Ret);
}
static private void emit_println(CodeEmitor emitor)
{
var funcName = "println";
var methodBuilder = emitor.TypeBuilder.DefineMethod(funcName, MethodAttributes.Private | MethodAttributes.Static, CallingConventions.Standard, typeof(object), new Type[] { typeof(List <object>) });
emitor.FuncName2MethodInfo[funcName] = methodBuilder;
var ilGenerator = methodBuilder.GetILGenerator();
ilGenerator.Emit(OpCodes.Ldarg_0);
ilGenerator.Emit(OpCodes.Call, emitor.FuncName2MethodInfo["print"]);
ilGenerator.Emit(OpCodes.Ldstr, "\n");
ilGenerator.Emit(OpCodes.Call, typeof(System.Console).GetMethod("Write", new Type[] { typeof(string) }));
ilGenerator.Emit(OpCodes.Ret);
}
static private void emit_push(CodeEmitor emitor)
{
var funcName = "push";
var methodBuilder = emitor.TypeBuilder.DefineMethod(funcName, MethodAttributes.Private | MethodAttributes.Static, CallingConventions.Standard, typeof(object), new Type[] { typeof(List <object>), typeof(object) });
emitor.FuncName2MethodInfo[funcName] = methodBuilder;
var ilGenerator = methodBuilder.GetILGenerator();
ilGenerator.Emit(OpCodes.Ldarg_0);
ilGenerator.Emit(OpCodes.Ldarg_1);
ilGenerator.Emit(OpCodes.Callvirt, typeof(List <object>).GetMethod("Add"));
ilGenerator.Emit(OpCodes.Ldarg_0);
ilGenerator.Emit(OpCodes.Ret);
}
static private void emit_print(CodeEmitor emitor)
{
var funcName = "print";
var methodBuilder = emitor.TypeBuilder.DefineMethod(funcName, MethodAttributes.Private | MethodAttributes.Static, CallingConventions.Standard, typeof(object), new Type[] { typeof(List <object>) });
emitor.FuncName2MethodInfo[funcName] = methodBuilder;
var ilGenerator = methodBuilder.GetILGenerator();
var loc_i = ilGenerator.DeclareLocal(typeof(int));
var loc_len = ilGenerator.DeclareLocal(typeof(int));
// i = 0; len = args.Count;
ilGenerator.Emit(OpCodes.Ldc_I4_0);
ilGenerator.Emit(OpCodes.Stloc, loc_i);
ilGenerator.Emit(OpCodes.Ldarg_0);
ilGenerator.Emit(OpCodes.Callvirt, typeof(List <object>).GetMethod("get_Count"));
ilGenerator.Emit(OpCodes.Stloc, loc_len);
// label_loop:
var label_loop = ilGenerator.DefineLabel();
ilGenerator.MarkLabel(label_loop);
// if (i >= len) goto label_break;
var label_break = ilGenerator.DefineLabel();
ilGenerator.Emit(OpCodes.Ldloc, loc_i);
ilGenerator.Emit(OpCodes.Ldloc, loc_len);
ilGenerator.Emit(OpCodes.Clt);
ilGenerator.Emit(OpCodes.Ldc_I4_0);
ilGenerator.Emit(OpCodes.Ceq);
ilGenerator.Emit(OpCodes.Brtrue, label_break);
// System.Console.Write(args[i]); System.Console.Write("\t");
ilGenerator.Emit(OpCodes.Ldarg_0);
ilGenerator.Emit(OpCodes.Ldloc, loc_i);
ilGenerator.Emit(OpCodes.Callvirt, typeof(List <object>).GetMethod("get_Item"));
ilGenerator.Emit(OpCodes.Call, typeof(System.Console).GetMethod("Write", new Type[] { typeof(object) }));
ilGenerator.Emit(OpCodes.Ldstr, "\t");
ilGenerator.Emit(OpCodes.Call, typeof(System.Console).GetMethod("Write", new Type[] { typeof(string) }));
// ++i;
ilGenerator.Emit(OpCodes.Ldloc, loc_i);
ilGenerator.Emit(OpCodes.Ldc_I4_1);
ilGenerator.Emit(OpCodes.Add);
ilGenerator.Emit(OpCodes.Stloc, loc_i);
// goto label_loop;
ilGenerator.Emit(OpCodes.Br, label_loop);
// label_break:
ilGenerator.MarkLabel(label_break);
// return null;
ilGenerator.Emit(OpCodes.Ldnull);
}
static private void emit_random(CodeEmitor emitor)
{
var funcName = "random";
var methodBuilder = emitor.TypeBuilder.DefineMethod(funcName, MethodAttributes.Private | MethodAttributes.Static, CallingConventions.Standard, typeof(object), new Type[] { });
emitor.FuncName2MethodInfo[funcName] = methodBuilder;
var ilGenerator = methodBuilder.GetILGenerator();
ilGenerator.Emit(OpCodes.Ldsfld, emitor.GlobalField);
ilGenerator.Emit(OpCodes.Ldstr, "__s_random");
ilGenerator.Emit(OpCodes.Callvirt, typeof(Dictionary <string, object>).GetMethod("get_Item"));
ilGenerator.Emit(OpCodes.Callvirt, typeof(Random).GetMethod("Next", new Type[] {}));
ilGenerator.Emit(OpCodes.Conv_R8);
ilGenerator.Emit(OpCodes.Box, typeof(double));
ilGenerator.Emit(OpCodes.Ret);
}
private static void emit_clock(CodeEmitor emitor)
{
var funcName = "clock";
var methodBuilder = emitor.TypeBuilder.DefineMethod(funcName, MethodAttributes.Private | MethodAttributes.Static, CallingConventions.Standard, typeof(object), new Type[] { });
emitor.FuncName2MethodInfo[funcName] = methodBuilder;
var ilGenerator = methodBuilder.GetILGenerator();
var loc_datetime = ilGenerator.DeclareLocal(typeof(DateTime));
ilGenerator.Emit(OpCodes.Call, typeof(DateTime).GetMethod("get_Now"));
ilGenerator.Emit(OpCodes.Stloc, loc_datetime);
ilGenerator.Emit(OpCodes.Ldloca_S, loc_datetime.LocalIndex);
ilGenerator.Emit(OpCodes.Call, typeof(DateTime).GetMethod("get_Ticks"));
ilGenerator.Emit(OpCodes.Conv_R8);
ilGenerator.Emit(OpCodes.Ldc_R8, 10000000.0);
ilGenerator.Emit(OpCodes.Div);
ilGenerator.Emit(OpCodes.Box, typeof(double));
ilGenerator.Emit(OpCodes.Ret);
}
private static void emit_print(CodeEmitor emitor)
{
var funcName = "print";
var methodBuilder = emitor.TypeBuilder.DefineMethod(funcName, MethodAttributes.Private | MethodAttributes.Static, CallingConventions.Standard, typeof(object), new Type[] { typeof(List<object>) });
emitor.FuncName2MethodInfo[funcName] = methodBuilder;
var ilGenerator = methodBuilder.GetILGenerator();
var loc_i = ilGenerator.DeclareLocal(typeof(int));
var loc_len = ilGenerator.DeclareLocal(typeof(int));
// i = 0; len = args.Count;
ilGenerator.Emit(OpCodes.Ldc_I4_0);
ilGenerator.Emit(OpCodes.Stloc, loc_i);
ilGenerator.Emit(OpCodes.Ldarg_0);
ilGenerator.Emit(OpCodes.Callvirt, typeof(List<object>).GetMethod("get_Count"));
ilGenerator.Emit(OpCodes.Stloc, loc_len);
// label_loop:
var label_loop = ilGenerator.DefineLabel();
ilGenerator.MarkLabel(label_loop);
// if (i >= len) goto label_break;
var label_break = ilGenerator.DefineLabel();
ilGenerator.Emit(OpCodes.Ldloc, loc_i);
ilGenerator.Emit(OpCodes.Ldloc, loc_len);
ilGenerator.Emit(OpCodes.Clt);
ilGenerator.Emit(OpCodes.Ldc_I4_0);
ilGenerator.Emit(OpCodes.Ceq);
ilGenerator.Emit(OpCodes.Brtrue, label_break);
// System.Console.Write(args[i]); System.Console.Write("\t");
ilGenerator.Emit(OpCodes.Ldarg_0);
ilGenerator.Emit(OpCodes.Ldloc, loc_i);
ilGenerator.Emit(OpCodes.Callvirt, typeof(List<object>).GetMethod("get_Item"));
ilGenerator.Emit(OpCodes.Call, typeof(System.Console).GetMethod("Write", new Type[]{typeof(object)}));
ilGenerator.Emit(OpCodes.Ldstr, "\t");
ilGenerator.Emit(OpCodes.Call, typeof(System.Console).GetMethod("Write",new Type[]{typeof(string)}));
// ++i;
ilGenerator.Emit(OpCodes.Ldloc, loc_i);
ilGenerator.Emit(OpCodes.Ldc_I4_1);
ilGenerator.Emit(OpCodes.Add);
ilGenerator.Emit(OpCodes.Stloc, loc_i);
// goto label_loop;
ilGenerator.Emit(OpCodes.Br, label_loop);
// label_break:
ilGenerator.MarkLabel(label_break);
// return null;
ilGenerator.Emit(OpCodes.Ldnull);
}
static private void emit_clock(CodeEmitor emitor)
{
var funcName = "clock";
var methodBuilder = emitor.TypeBuilder.DefineMethod(funcName, MethodAttributes.Private | MethodAttributes.Static, CallingConventions.Standard, typeof(object), new Type[] { });
emitor.FuncName2MethodInfo[funcName] = methodBuilder;
var ilGenerator = methodBuilder.GetILGenerator();
var loc_datetime = ilGenerator.DeclareLocal(typeof(DateTime));
ilGenerator.Emit(OpCodes.Call, typeof(DateTime).GetMethod("get_Now"));
ilGenerator.Emit(OpCodes.Stloc, loc_datetime);
ilGenerator.Emit(OpCodes.Ldloca_S, loc_datetime.LocalIndex);
ilGenerator.Emit(OpCodes.Call, typeof(DateTime).GetMethod("get_Ticks"));
ilGenerator.Emit(OpCodes.Conv_R8);
ilGenerator.Emit(OpCodes.Ldc_R8, 10000000.0);
ilGenerator.Emit(OpCodes.Div);
ilGenerator.Emit(OpCodes.Box, typeof(double));
ilGenerator.Emit(OpCodes.Ret);
}
public static void Main(string[] args)
{
try {
if (args.Length < 1) {
System.Console.WriteLine("Usage : JSMinus file");
return;
}
ICharStream input = new ANTLRFileStream(args[0]);
JSMinusLexer lexer = new JSMinusLexer(input);
CommonTokenStream tokens = new CommonTokenStream(lexer);
JSMinusParser parser = new JSMinusParser(tokens);
CodeEmitor emitor = new CodeEmitor("JSMinus", parser.program());
emitor.save();
emitor.run();
} catch (System.Exception e) {
Console.Error.WriteLine(e.StackTrace);
Console.Error.WriteLine("Exception: " + e);
}
}
public static void Main(string[] args)
{
try {
if (args.Length < 1)
{
System.Console.WriteLine("Usage : JSMinus file");
return;
}
ICharStream input = new ANTLRFileStream(args[0]);
JSMinusLexer lexer = new JSMinusLexer(input);
CommonTokenStream tokens = new CommonTokenStream(lexer);
JSMinusParser parser = new JSMinusParser(tokens);
CodeEmitor emitor = new CodeEmitor("JSMinus", parser.program());
emitor.save();
emitor.run();
} catch (System.Exception e) {
Console.Error.WriteLine(e.StackTrace);
Console.Error.WriteLine("Exception: " + e);
}
}
private static void emit_println(CodeEmitor emitor)
{
var funcName = "println";
var methodBuilder = emitor.TypeBuilder.DefineMethod(funcName, MethodAttributes.Private | MethodAttributes.Static, CallingConventions.Standard, typeof(object), new Type[] { typeof(List<object>) });
emitor.FuncName2MethodInfo[funcName] = methodBuilder;
var ilGenerator = methodBuilder.GetILGenerator();
ilGenerator.Emit(OpCodes.Ldarg_0);
ilGenerator.Emit(OpCodes.Call, emitor.FuncName2MethodInfo["print"]);
ilGenerator.Emit(OpCodes.Ldstr, "\n");
ilGenerator.Emit(OpCodes.Call, typeof(System.Console).GetMethod("Write", new Type[]{typeof(string)}));
ilGenerator.Emit(OpCodes.Ret);
}
private static void emit_random(CodeEmitor emitor)
{
var funcName = "random";
var methodBuilder = emitor.TypeBuilder.DefineMethod(funcName, MethodAttributes.Private | MethodAttributes.Static, CallingConventions.Standard, typeof(object), new Type[] { });
emitor.FuncName2MethodInfo[funcName] = methodBuilder;
var ilGenerator = methodBuilder.GetILGenerator();
ilGenerator.Emit(OpCodes.Ldsfld, emitor.GlobalField);
ilGenerator.Emit(OpCodes.Ldstr, "__s_random");
ilGenerator.Emit(OpCodes.Callvirt, typeof(Dictionary<string, object>).GetMethod("get_Item"));
ilGenerator.Emit(OpCodes.Callvirt, typeof(Random).GetMethod("Next", new Type[]{}));
ilGenerator.Emit(OpCodes.Conv_R8);
ilGenerator.Emit(OpCodes.Box, typeof(double));
ilGenerator.Emit(OpCodes.Ret);
}
public StmtNodeVisitor_CodeEmitor(CodeEmitor emitor, FuncMeta meta)
{
Emitor = emitor;
FuncMeta = meta;
var methodBuilder = emitor.TypeBuilder.DefineMethod(meta.Name, MethodAttributes.Static | MethodAttributes.Public, CallingConventions.Standard,
meta.Name == "Main" ? typeof(int) : typeof(object), Enumerable.Repeat(typeof(object), meta.ArgCount).ToArray());
ILGenerator = methodBuilder.GetILGenerator();
emitor.FuncName2MethodInfo[meta.Name] = methodBuilder;
}