public Instruction(EP_InstCode cmd, Merker param = null, CodeNode cn = null)
{
_param = param;
_cn = cn;
_blob = false;
Prepare(cmd);
}
public Scope(EP_Compiler c, Merker fm, Scope parent)
{
_compiler = c;
_parent = parent;
this.fm = fm;
memBlocks = new SortedSet <DP_MemBlock>();
memBlocks.Add(new DP_MemBlock(0, 16384));
code = new List <Instruction>();
memory = new List <Merker>();
loops = new Stack <EP_VP2.Loop>();
}
internal Scope ScopePush(Merker fm)
{
var tmp = cur;
cur = _programm.FirstOrDefault(z => z.fm == fm);
if (cur == null)
{
cur = new Scope(this, fm, tmp);
_programm.Add(cur);
}
_scope.Push(cur);
return(cur);
}
internal Merker GetMerker(VariableDescriptor v)
{
Merker m = null;
m = cur.memory.FirstOrDefault(z => z.vd == v);
if (m == null)
{
m = global.memory.FirstOrDefault(z => z.vd == v);
}
if (m == null)
{
m = LoadNativeFunctions(v);
}
return(m);
}
public Merker GetProperty(string name, EP_Type type = EP_Type.NONE)
{
Merker m;
string fName = fm.fName + "." + name;
m = memory.FirstOrDefault(z => z.pName == name);
if (m == null && _parent != null)
{
m = _parent.memory.FirstOrDefault(z => z.pName == name);
}
if (type != EP_Type.NONE && m == null && !string.IsNullOrEmpty(name))
{
m = new Merker()
{
fName = fName, pName = name, type = type
};
memory.Add(m);
}
return(m);
}
private Merker LoadNativeFunctions(VariableDescriptor v)
{
Merker m;
switch (v.Name)
{
case "TwiControl":
m = new Merker()
{
type = EP_Type.API, Addr = 1, vd = v, pIn = 1
};
break;
case "TwiStatus":
m = new Merker()
{
type = EP_Type.API, Addr = 2, vd = v, pOut = 1
};
break;
case "TwiPutByte":
m = new Merker()
{
type = EP_Type.API, Addr = 3, vd = v, pIn = 1
};
break;
case "TwiGetByte":
m = new Merker()
{
type = EP_Type.API, Addr = 4, vd = v, pOut = 1
};
break;
case "NodeStatus":
m = new Merker()
{
type = EP_Type.API, Addr = 5, vd = v, pOut = 1
};
break;
case "getMilliseconds":
m = new Merker()
{
type = EP_Type.API, Addr = 6, vd = v, pOut = 1
};
break;
case "getSeconds":
m = new Merker()
{
type = EP_Type.API, Addr = 7, vd = v, pOut = 1
};
break;
case "Random":
m = new Merker()
{
type = EP_Type.API, Addr = 8, vd = v, pOut = 1
};
break;
case "NowSeconds": // total seconds since 0:00:00
m = new Merker()
{
type = EP_Type.API, Addr = 9, vd = v, pOut = 1
};
break;
case "Today": // (year[0..99]<<24) | (month[1..12]<<16) | (day[1..31]<<8) | (dayOfWeek[1-Monday..7-Sunday])
m = new Merker()
{
type = EP_Type.API, Addr = 10, vd = v, pOut = 1
};
break;
case "UartInit": // void UartInit(port, speed)
m = new Merker()
{
type = EP_Type.API, Addr = 20, vd = v, pIn = 2
};
break;
case "UartBytesToRead": // int UartBytesToRead(port)
m = new Merker()
{
type = EP_Type.API, Addr = 21, vd = v, pOut = 1, pIn = 1
};
break;
case "UartGetByte": // int UartGetByte(port)
m = new Merker()
{
type = EP_Type.API, Addr = 22, vd = v, pOut = 1, pIn = 1
};
break;
case "UartPutByte": // bool UartPutByte(port, data)
m = new Merker()
{
type = EP_Type.API, Addr = 23, vd = v, pOut = 1, pIn = 2
};
break;
default:
return(null);
}
global.memory.Add(m);
return(m);
}
internal Merker DefineMerker(VariableDescriptor v, EP_Type type = EP_Type.NONE)
{
Merker m = null;
uint addr;
m = cur.memory.FirstOrDefault(z => z.vd == v);
if (m == null)
{
m = global.memory.FirstOrDefault(z => z.vd == v);
}
if (m == null)
{
addr = uint.MaxValue;
var nt = Periphery.MsDevice.NTTable.FirstOrDefault(z => v.Name.StartsWith(z.Item1));
if (nt != null && v.Name.Length > 2 && UInt32.TryParse(v.Name.Substring(2), out addr))
{
addr = (uint)((uint)(((byte)v.Name[0]) << 24) | (uint)(((byte)v.Name[1]) << 16) | addr & 0xFFFF);
type = (nt.Item2 & Periphery.MsDevice.DType.Output) != 0?EP_Type.OUTPUT:EP_Type.INPUT;
}
else if (type == EP_Type.NONE)
{
if (v.Initializer != null && v.Initializer is FunctionDefinition)
{
type = EP_Type.FUNCTION;
}
else if (v.LexicalScope)
{
type = EP_Type.LOCAL;
addr = (uint)cur.memory.Where(z => z.type == EP_Type.LOCAL).Count();
if (addr > 15)
{
throw new ArgumentOutOfRangeException("Too many local variables: " + v.Name + cur.fm == null ? string.Empty : ("in " + cur.fm.ToString()));
}
}
else
{
type = EP_Type.SINT32;
addr = uint.MaxValue;
}
}
m = new Merker()
{
type = type, vd = v, pName = v.Name, Addr = addr, init = v.Initializer
};
if (type == EP_Type.API || type == EP_Type.INPUT || type == EP_Type.OUTPUT)
{
global.memory.Add(m);
m.fName = v.Name;
}
else
{
cur.memory.Add(m);
m.fName = (cur == global ? v.Name : cur.fm.fName + (cur.fm.type == EP_Type.FUNCTION ? "+" : ".") + v.Name);
}
}
else if (m.type != type && m.type == EP_Type.NONE)
{
m.type = type;
}
return(m);
}
