private static UndertaleInstruction.Reference <UndertaleVariable> ParseVariableReference(string line, IList <UndertaleVariable> vars, Dictionary <string, UndertaleVariable> localvars, ref UndertaleInstruction.InstanceType instance, UndertaleInstruction instr, UndertaleData data = null)
{
string str = line;
UndertaleInstruction.VariableType type = UndertaleInstruction.VariableType.Normal;
UndertaleInstruction.InstanceType realinstance = instance;
if (str[0] != '[')
{
string inst = null;
int instdot = str.IndexOf('.');
if (instdot >= 0)
{
inst = str.Substring(0, instdot);
str = str.Substring(instdot + 1);
if (inst == "")
{
throw new Exception("Whoops?");
}
}
if (inst != null)
{
short instnum;
if (Int16.TryParse(inst, out instnum))
{
instance = (UndertaleInstruction.InstanceType)instnum;
}
else
{
instance = (UndertaleInstruction.InstanceType)Enum.Parse(typeof(UndertaleInstruction.InstanceType), inst, true);
}
}
else
{
instance = UndertaleInstruction.InstanceType.Undefined;
}
realinstance = instance;
if (realinstance >= 0)
{
realinstance = UndertaleInstruction.InstanceType.Self;
}
else if (realinstance == UndertaleInstruction.InstanceType.Other)
{
realinstance = UndertaleInstruction.InstanceType.Self;
}
else if (realinstance == UndertaleInstruction.InstanceType.Arg)
{
realinstance = UndertaleInstruction.InstanceType.Builtin;
}
else if (realinstance == UndertaleInstruction.InstanceType.Builtin)
{
realinstance = UndertaleInstruction.InstanceType.Self; // used with @@This@@
}
else if (realinstance == UndertaleInstruction.InstanceType.Stacktop)
{
realinstance = UndertaleInstruction.InstanceType.Self; // used with @@GetInstance@@
}
}
else
{
int typeend = str.IndexOf(']');
if (typeend >= 0)
{
string typestr = str.Substring(1, typeend - 1);
str = str.Substring(typeend + 1);
type = (UndertaleInstruction.VariableType)Enum.Parse(typeof(UndertaleInstruction.VariableType), typestr, true);
int instanceEnd = str.IndexOf('.');
if (instanceEnd >= 0)
{
string instancestr = str.Substring(0, instanceEnd);
str = str.Substring(instanceEnd + 1);
realinstance = (UndertaleInstruction.InstanceType)Enum.Parse(typeof(UndertaleInstruction.InstanceType), instancestr, true);
}
else
{
if (type == UndertaleInstruction.VariableType.Array ||
type == UndertaleInstruction.VariableType.StackTop)
{
throw new Exception("Old instruction format is incompatible (missing instance type in array or stacktop)");
}
if (realinstance >= 0)
{
realinstance = UndertaleInstruction.InstanceType.Self;
}
else if (realinstance == UndertaleInstruction.InstanceType.Other)
{
realinstance = UndertaleInstruction.InstanceType.Self;
}
}
}
else
{
throw new Exception("Missing ']' character in variable reference");
}
}
if (data?.GeneralInfo?.BytecodeVersion <= 14)
{
realinstance = UndertaleInstruction.InstanceType.Undefined;
}
UndertaleVariable varobj;
if (realinstance == UndertaleInstruction.InstanceType.Local)
{
varobj = localvars.ContainsKey(str) ? localvars[str] : null;
}
else
{
varobj = vars.Where((x) => x.Name.Content == str && x.InstanceType == realinstance).FirstOrDefault();
}
if (varobj == null)
{
throw new Exception("Bad variable: " + realinstance.ToString().ToLower() + "." + str);
}
return(new UndertaleInstruction.Reference <UndertaleVariable>(varobj, type));
}
private static UndertaleInstruction.Reference <UndertaleVariable> ParseVariableReference(string line, IList <UndertaleVariable> vars, Dictionary <string, UndertaleVariable> localvars, ref UndertaleInstruction.InstanceType instance, UndertaleInstruction instr, Func <int, UndertaleInstruction.InstanceType?> lookOnStack = null, UndertaleData data = null)
{
string str = line;
string inst = null;
int instdot = str.IndexOf('.');
if (instdot >= 0)
{
inst = str.Substring(0, instdot);
str = str.Substring(instdot + 1);
if (inst == "")
{
throw new Exception("Whoops?");
}
}
if (inst != null)
{
short instnum;
if (Int16.TryParse(inst, out instnum))
{
instance = (UndertaleInstruction.InstanceType)instnum;
}
else
{
instance = (UndertaleInstruction.InstanceType)Enum.Parse(typeof(UndertaleInstruction.InstanceType), inst, true);
}
}
else
{
instance = UndertaleInstruction.InstanceType.Undefined;
}
UndertaleInstruction.VariableType type = UndertaleInstruction.VariableType.Normal;
if (str[0] == '[')
{
int typeend = str.IndexOf(']');
if (typeend >= 0)
{
string typestr = str.Substring(1, typeend - 1);
str = str.Substring(typeend + 1);
type = (UndertaleInstruction.VariableType)Enum.Parse(typeof(UndertaleInstruction.VariableType), typestr, true);
}
}
UndertaleInstruction.InstanceType realinstance = instance;
// for arrays, the type is on the stack which totally breaks things
// This is an ugly hack to handle that
// see https://github.com/krzys-h/UndertaleModTool/issues/27#issuecomment-426637438
if (type == UndertaleInstruction.VariableType.Array && lookOnStack != null)
{
var instTypeOnStack = lookOnStack(instr.Kind == UndertaleInstruction.Opcode.Pop && instr.Type1 == UndertaleInstruction.DataType.Int32 ? 3 : 2);
if (instTypeOnStack.HasValue)
{
realinstance = instTypeOnStack.Value;
}
}
if (realinstance >= 0)
{
realinstance = UndertaleInstruction.InstanceType.Self;
}
else if (realinstance == UndertaleInstruction.InstanceType.Other)
{
realinstance = UndertaleInstruction.InstanceType.Self;
}
if (data?.GeneralInfo?.BytecodeVersion <= 14)
{
realinstance = UndertaleInstruction.InstanceType.Undefined;
}
UndertaleVariable varobj;
if (realinstance == UndertaleInstruction.InstanceType.Local)
{
varobj = localvars.ContainsKey(str) ? localvars[str] : null;
}
else
{
varobj = vars.Where((x) => x.Name.Content == str && x.InstanceType == realinstance).FirstOrDefault();
}
if (varobj == null)
{
throw new Exception("Bad variable: " + realinstance.ToString().ToLower() + "." + str);
}
return(new UndertaleInstruction.Reference <UndertaleVariable>(varobj, type));
}
private static UndertaleInstruction.Reference <UndertaleVariable> ParseVariableReference(string line, IList <UndertaleVariable> vars, Dictionary <string, UndertaleVariable> localvars, ref UndertaleInstruction.InstanceType instance, UndertaleInstruction.InstanceType?prevInstType)
{
string str = line;
string inst = null;
int instdot = str.IndexOf('.');
if (instdot >= 0)
{
inst = str.Substring(0, instdot);
str = str.Substring(instdot + 1);
if (inst == "")
{
throw new Exception("Whoops?");
}
}
if (inst != null)
{
short instnum;
if (Int16.TryParse(inst, out instnum))
{
instance = (UndertaleInstruction.InstanceType)instnum;
}
else
{
instance = (UndertaleInstruction.InstanceType)Enum.Parse(typeof(UndertaleInstruction.InstanceType), inst, true);
}
}
else
{
instance = UndertaleInstruction.InstanceType.Undefined;
}
UndertaleInstruction.VariableType type = UndertaleInstruction.VariableType.Normal;
if (str[0] == '[')
{
int typeend = str.IndexOf(']');
if (typeend >= 0)
{
string typestr = str.Substring(1, typeend - 1);
str = str.Substring(typeend + 1);
type = (UndertaleInstruction.VariableType)Enum.Parse(typeof(UndertaleInstruction.VariableType), typestr, true);
}
}
UndertaleInstruction.InstanceType realinstance = instance;
// for arrays, the type is on the stack which totally breaks things
// This is an ugly hack to handle that
if (type == UndertaleInstruction.VariableType.Array && prevInstType.HasValue)
{
realinstance = prevInstType.Value;
}
if (realinstance >= 0)
{
realinstance = UndertaleInstruction.InstanceType.Self;
}
UndertaleVariable varobj;
if (realinstance == UndertaleInstruction.InstanceType.Local)
{
varobj = localvars.ContainsKey(str) ? localvars[str] : null;
}
else
{
varobj = vars.Where((x) => x.Name.Content == str && x.InstanceType == realinstance).FirstOrDefault();
}
if (varobj == null)
{
throw new Exception("Bad variable!");
}
return(new UndertaleInstruction.Reference <UndertaleVariable>(varobj, type));
}
