tlang/source/tlang/compiler/symbols/typing/core.d

138 lines
2.5 KiB
D

module tlang.compiler.symbols.typing.core;
import tlang.compiler.symbols.data;
import std.string : cmp;
import std.conv : to;
public import tlang.compiler.symbols.typing.builtins;
public class Type : Entity
{
/* TODO: Add width here */
/**
* TODO: See what we need in here, Entity name could be our Type name
* But to make it look nice we could just have `getType`
* Actually yeah, we should, as Number types won't be entities
* Wait lmao they will
*/
this(string name)
{
super(name);
}
// TODO: A comparator would be nice but I would have to then see
// ... where referene equality was used, hence I stear clear of that
}
public final class Void : Primitive
{
this()
{
super("void");
}
}
public class Primitive : Type
{
this(string name)
{
super(name);
}
}
/* TODO: Move width to Type class */
public class Number : Primitive
{
/* Number of bytes (1,2,4,8) */
private ubyte width;
/* TODO: Aligbment details etc. */
this(string name, ubyte width)
{
super(name);
this.width = width;
}
public final ubyte getSize()
{
return width;
}
}
public class Integer : Number
{
/* Whether or not signed (if so, then 2's complement) */
private bool signed;
this(string name, ubyte width, bool signed = false)
{
super(name, width);
this.signed = signed;
}
public final bool isSigned()
{
return signed;
}
/* TODO: Remove ig */
public override string toString()
{
return name;
}
}
public class Float : Number
{
this(string name, ubyte width)
{
super(name, width);
}
}
public class Pointer : Integer
{
/* Data type being pointed to */
private Type dataType;
this(Type dataType)
{
/* The name should be `dataType*` */
string name = dataType.toString()~"*";
/* TODO: Change below, per architetcure (the 8 byte width) */
super(name, 8);
this.dataType = dataType;
}
public Type getReferredType()
{
return dataType;
}
}
/**
* Array type
*
* TODO: Might need investigation
*/
public class Array : Type
{
private Type elementType;
this(Type elementType)
{
/* The name should be `elementType[]` */
// super(name, )
/* TODO: Differentiate between stack arrays and heap */
super(to!(string)(elementType)~"[]");
this.elementType = elementType;
}
}