public static UndertaleInstruction AssembleOne(string source, IList <UndertaleFunction> funcs, IList <UndertaleVariable> vars, IList <UndertaleString> strg, Dictionary <string, UndertaleVariable> localvars, out string label, UndertaleData data = null, Func <int, UndertaleInstruction.InstanceType?> lookOnStack = null)
{
label = null;
string line = source;
UndertaleInstruction instr = new UndertaleInstruction();
string opcode = line;
int space = opcode.IndexOf(' ');
if (space >= 0)
{
opcode = line.Substring(0, space);
line = line.Substring(space + 1).Trim();
}
else
{
line = "";
}
string[] types = opcode.Split('.');
if (types.Length > 3)
{
throw new Exception("Too many type parameters");
}
instr.Kind = (UndertaleInstruction.Opcode)Enum.Parse(typeof(UndertaleInstruction.Opcode), types[0], true);
if (types.Length >= 2)
{
instr.Type1 = UndertaleInstructionUtil.FromOpcodeParam(types[1]);
}
if (types.Length >= 3)
{
instr.Type2 = UndertaleInstructionUtil.FromOpcodeParam(types[2]);
}
switch (UndertaleInstruction.GetInstructionType(instr.Kind))
{
case UndertaleInstruction.InstructionType.SingleTypeInstruction:
if (instr.Kind == UndertaleInstruction.Opcode.Dup)
{
instr.DupExtra = Byte.Parse(line);
line = "";
}
break;
case UndertaleInstruction.InstructionType.DoubleTypeInstruction:
break;
case UndertaleInstruction.InstructionType.ComparisonInstruction:
instr.ComparisonKind = (UndertaleInstruction.ComparisonType)Enum.Parse(typeof(UndertaleInstruction.ComparisonType), line, true);
line = "";
break;
case UndertaleInstruction.InstructionType.GotoInstruction:
if (line[0] == '$')
{
instr.JumpOffset = Int32.Parse(line.Substring(1));
}
else
{
if (line == "[drop]")
{
instr.JumpOffsetPopenvExitMagic = true;
if (data?.GeneralInfo?.BytecodeVersion <= 14)
{
instr.JumpOffset = -1048576; // I really don't know at this point. Magic for little endian 00 00 F0
}
}
else
{
label = line;
}
}
line = "";
break;
case UndertaleInstruction.InstructionType.PopInstruction:
if (instr.Type1 == UndertaleInstruction.DataType.Int16)
{
// Special scenario - the swap instruction
// TODO: Figure out the proper syntax, see #129
instr.SwapExtra = Byte.Parse(line);
}
else
{
UndertaleInstruction.InstanceType inst = instr.TypeInst;
instr.Destination = ParseVariableReference(line, vars, localvars, ref inst, instr, lookOnStack, data);
instr.TypeInst = inst;
}
line = "";
break;
case UndertaleInstruction.InstructionType.PushInstruction:
switch (instr.Type1)
{
case UndertaleInstruction.DataType.Double:
instr.Value = Double.Parse(line, CultureInfo.InvariantCulture);
break;
case UndertaleInstruction.DataType.Float:
instr.Value = Single.Parse(line, CultureInfo.InvariantCulture);
break;
case UndertaleInstruction.DataType.Int32:
int ival;
if (Int32.TryParse(line, out ival))
{
instr.Value = ival;
}
else
{
instr.Value = (int)ParseResourceName(line, data);
}
break;
case UndertaleInstruction.DataType.Int64:
long lval;
if (Int64.TryParse(line, out lval))
{
instr.Value = lval;
}
else
{
instr.Value = (long)ParseResourceName(line, data);
}
break;
case UndertaleInstruction.DataType.Boolean:
instr.Value = bool.Parse(line);
break;
case UndertaleInstruction.DataType.Variable:
UndertaleInstruction.InstanceType inst2 = instr.TypeInst;
instr.Value = ParseVariableReference(line, vars, localvars, ref inst2, instr, lookOnStack, data);
instr.TypeInst = inst2;
break;
case UndertaleInstruction.DataType.String:
instr.Value = ParseStringReference(line, strg);
break;
case UndertaleInstruction.DataType.Int16:
short sval;
if (Int16.TryParse(line, out sval))
{
instr.Value = sval;
}
else
{
instr.Value = (short)ParseResourceName(line, data);
}
break;
}
line = "";
break;
case UndertaleInstruction.InstructionType.CallInstruction:
Match match = Regex.Match(line, @"^(.*)\(argc=(.*)\)$");
if (!match.Success)
{
throw new Exception("Call instruction format error");
}
UndertaleFunction func = funcs.ByName(match.Groups[1].Value);
if (func == null)
{
throw new Exception("Function not found: " + match.Groups[1].Value);
}
instr.Function = new UndertaleInstruction.Reference <UndertaleFunction>()
{
Target = func
};
instr.ArgumentsCount = UInt16.Parse(match.Groups[2].Value);
line = "";
break;
case UndertaleInstruction.InstructionType.BreakInstruction:
instr.Value = Int16.Parse(line);
line = "";
break;
}
if (line != "")
{
throw new Exception("Excess parameters");
}
return(instr);
}
public static UndertaleInstruction AssembleOne(string source, IList <UndertaleFunction> funcs, IList <UndertaleVariable> vars, IList <UndertaleString> strg, Dictionary <string, UndertaleVariable> localvars, out string label, UndertaleInstruction.InstanceType?instTypeOnStack)
{
label = null;
string line = source;
UndertaleInstruction instr = new UndertaleInstruction();
string opcode = line;
int space = opcode.IndexOf(' ');
if (space >= 0)
{
opcode = line.Substring(0, space);
line = line.Substring(space + 1).Trim();
}
else
{
line = "";
}
string[] types = opcode.Split('.');
if (types.Length > 3)
{
throw new Exception("Too many type parameters");
}
instr.Kind = (UndertaleInstruction.Opcode)Enum.Parse(typeof(UndertaleInstruction.Opcode), types[0], true);
if (types.Length >= 2)
{
instr.Type1 = UndertaleInstructionUtil.FromOpcodeParam(types[1]);
}
if (types.Length >= 3)
{
instr.Type2 = UndertaleInstructionUtil.FromOpcodeParam(types[2]);
}
switch (UndertaleInstruction.GetInstructionType(instr.Kind))
{
case UndertaleInstruction.InstructionType.SingleTypeInstruction:
if (instr.Kind == UndertaleInstruction.Opcode.Dup)
{
instr.DupExtra = Byte.Parse(line);
line = "";
}
break;
case UndertaleInstruction.InstructionType.DoubleTypeInstruction:
break;
case UndertaleInstruction.InstructionType.ComparisonInstruction:
instr.ComparisonKind = (UndertaleInstruction.ComparisonType)Enum.Parse(typeof(UndertaleInstruction.ComparisonType), line, true);
line = "";
break;
case UndertaleInstruction.InstructionType.GotoInstruction:
if (line[0] == '$')
{
instr.JumpOffset = Int32.Parse(line.Substring(1));
}
else
{
label = line;
}
line = "";
break;
case UndertaleInstruction.InstructionType.PopInstruction:
UndertaleInstruction.InstanceType inst = instr.TypeInst;
instr.Destination = ParseVariableReference(line, vars, localvars, ref inst, instTypeOnStack);
instr.TypeInst = inst;
line = "";
break;
case UndertaleInstruction.InstructionType.PushInstruction:
switch (instr.Type1)
{
case UndertaleInstruction.DataType.Double:
instr.Value = Double.Parse(line, CultureInfo.InvariantCulture);
break;
case UndertaleInstruction.DataType.Float:
instr.Value = Single.Parse(line, CultureInfo.InvariantCulture);
break;
case UndertaleInstruction.DataType.Int32:
instr.Value = Int32.Parse(line);
break;
case UndertaleInstruction.DataType.Int64:
instr.Value = Int64.Parse(line);
break;
case UndertaleInstruction.DataType.Boolean:
instr.Value = Boolean.Parse(line);
break;
case UndertaleInstruction.DataType.Variable:
UndertaleInstruction.InstanceType inst2 = instr.TypeInst;
instr.Value = ParseVariableReference(line, vars, localvars, ref inst2, instTypeOnStack);
instr.TypeInst = inst2;
break;
case UndertaleInstruction.DataType.String:
instr.Value = ParseStringReference(line, strg);
break;
case UndertaleInstruction.DataType.Int16:
instr.Value = Int16.Parse(line);
break;
}
line = "";
break;
case UndertaleInstruction.InstructionType.CallInstruction:
Match match = Regex.Match(line, @"^(.*)\(argc=(.*)\)$");
if (!match.Success)
{
throw new Exception("Call instruction format error");
}
UndertaleFunction func = funcs.ByName(match.Groups[1].Value);
if (func == null)
{
throw new Exception("Function not found: " + match.Groups[1].Value);
}
instr.Function = new UndertaleInstruction.Reference <UndertaleFunction>()
{
Target = func
};
instr.ArgumentsCount = UInt16.Parse(match.Groups[2].Value);
line = "";
break;
case UndertaleInstruction.InstructionType.BreakInstruction:
instr.Value = Int16.Parse(line);
line = "";
break;
}
if (line != "")
{
throw new Exception("Excess parameters");
}
return(instr);
}