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type.bmx
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type.bmx
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' Copyright (c) 2013-2023 Bruce A Henderson
'
' Based on the public domain Monkey "trans" by Mark Sibly
'
' This software is provided 'as-is', without any express or implied
' warranty. In no event will the authors be held liable for any damages
' arising from the use of this software.
'
' Permission is granted to anyone to use this software for any purpose,
' including commercial applications, and to alter it and redistribute it
' freely, subject to the following restrictions:
'
' 1. The origin of this software must not be misrepresented; you must not
' claim that you wrote the original software. If you use this software
' in a product, an acknowledgment in the product documentation would be
' appreciated but is not required.
'
' 2. Altered source versions must be plainly marked as such, and must not be
' misrepresented as being the original software.
'
' 3. This notice may not be removed or altered from any source
' distribution.
'
SuperStrict
Import "config.bmx"
Include "translator.bmx"
Include "decl.bmx"
Include "expr.bmx"
Include "stmt.bmx"
Type TType
Method ActualType:TType()
Return Self
End Method
Method EqualsType:Int( ty:TType )
Return False
End Method
Method ExtendsType:Int( ty:TType, noExtendString:Int = False, widensTest:Int = False )
Return EqualsType( ty )
End Method
Method WidensToType:Int( ty:TType )
Return False
End Method
Method DistanceToType:Int(ty:TType)
Return T_MAX_DISTANCE
End Method
Method Semant:TType(option:Int = False, callback:TCallback = Null)
Return Self
End Method
Method GetClass:TClassDecl()
Return Null
End Method
Method GetClassScope:TScopeDecl()
Return GetClass()
End Method
Method ToString$()
Return "??Type??"
End Method
Method GetSize:Int()
Return WORD_SIZE
End Method
Method ArrayOf:TArrayType()
If Not _arrayOf Then
_arrayOf=New TArrayType.Create( Self )
End If
Return _arrayOf
End Method
Method OnCopy:TType() Abstract
Global voidType:TVoidType=New TVoidType
Global emptyArrayType:TArrayType=New TArrayType.Create( voidType )
Global objectType:TIdentType=New TIdentType.Create( "brl.classes.object" )
Global nullObjectType:TNullType=New TNullType
Global stringType:TStringType=New TStringType
Rem
bbdoc: map to a pointer type
End Rem
Function MapToPointerType:TType(ty:TType)
If ty = stringType Then
ty = ty.Copy()
End If
Local flag:Int = T_POINTER & ty._flags
If flag & T_PTR Then
ty._flags :~ T_PTR
ty._flags :| T_PTRPTR
Return ty
End If
If flag & T_PTRPTR Then
ty._flags :~ T_PTRPTR
ty._flags :| T_PTRPTRPTR
Return ty
End If
ty._flags :| T_PTR
Return ty
End Function
Function MapToVarType:TType(ty:TType)
If ty = stringType Then
ty = ty.Copy()
End If
If Not (ty._flags & T_VAR) Then
ty._flags :| T_VAR
Return ty
End If
' TODO : error if already mapped?
Return ty
End Function
Rem
bbdoc: map to a var pointer type
End Rem
Function MapToVarPointerType:TType(ty:TType)
If ty = stringType Then
ty = ty.Copy()
End If
If Not (ty._flags & T_VARPTR) Then
ty._flags :| T_VARPTR
Return ty
End If
Return Null
End Function
Rem
bbdoc: map a var pointer to it's pointer equivalent (strip out var)
End Rem
Function MapVarPointerToPointerType:TType(ty:TType)
If ty = stringType Then
ty = ty.Copy()
End If
If (ty._flags & T_VARPTR) Then
ty._flags :~ T_VARPTR
Return MapToPointerType(ty)
End If
Return ty
End Function
Function MapPointerToPrim:TType(ty:TNumericType)
Return MapFromPointer(ty)
End Function
Function MapFromPointer:TType(ty:TType)
Local nty:TType = ty.Copy()
If ty._flags & T_PTRPTRPTR Then
nty._flags :~ T_PTRPTRPTR
nty._flags :| T_PTRPTR
Else If ty._flags & T_PTRPTR Then
nty._flags :~ T_PTRPTR
nty._flags :| T_PTR
Else If ty._flags & T_PTR Then
nty._flags :~ T_PTR
End If
Return nty
End Function
Field _arrayOf:TArrayType
' one or more of
' T_VAR, T_VARPTR, T_PTR, T_PTRPTR, T_PTRPTRPTR
Field _flags:Int
Const T_VAR:Int = $01
Const T_VARPTR:Int = $02
Const T_PTR:Int = $04
Const T_PTRPTR:Int = $08
Const T_PTRPTRPTR:Int = $10
' for strings
Const T_CHAR_PTR:Int = $1000
Const T_SHORT_PTR:Int = $2000
Const T_POINTER:Int = T_PTR | T_PTRPTR | T_PTRPTRPTR
Const T_BYTE:Int = $001
Const T_SHORT:Int = $002
Const T_INT:Int = $004
Const T_LONG:Int = $008
Const T_FLOAT:Int = $010
Const T_DOUBLE:Int = $020
Const T_STRING:Int = $040
Const T_ARRAY:Int = $080
Const T_FUNCTIONPTR:Int = $100
Const T_SIZET:Int = $200
Const T_UINT:Int = $400
Const T_ULONG:Int = $800
Const T_FLOAT64:Int = $1000
Const T_INT128:Int = $2000
Const T_FLOAT128:Int = $4000
Const T_DOUBLE128:Int = $8000
Const T_LPARAM:Int =$10000
Const T_WPARAM:Int =$20000
Const T_ENUM:Int =$40000
Const T_LONGINT:Int =$80000
Const T_ULONGINT:Int =$100000
Const T_MAX_DISTANCE:Int = $FFFF
Method Copy:TType()
Local ty:TType = OnCopy()
ty._flags = _flags
ty._arrayOf = _arrayOf
Return ty
End Method
Method ToStringParts:String()
Local s:String
If _flags & T_PTR Then
s:+ " Ptr"
Else If _flags & T_PTRPTR Then
s:+ " Ptr Ptr"
Else If _flags & T_PTRPTRPTR Then
s:+ " Ptr Ptr Ptr"
End If
If _flags & T_VAR Then
s:+ " Var"
End If
If _flags & T_VARPTR Then
s:+ " VarPtr"
End If
Return s
End Method
Method IsFlagEquivalent:Int(ty:TType)
Return _flags = ty._flags Or ..
(Not IsPointerType(Self, 0, TType.T_POINTER) And (ty._flags & T_VAR)) Or ..
(Not IsPointerType(ty, 0, TType.T_POINTER) And (_flags & T_VAR)) Or ..
(IsPointerType(Self, 0, TType.T_POINTER) And (ty._flags & T_VARPTR)) Or ..
(IsPointerType(ty, 0, TType.T_POINTER) And (_flags & T_VARPTR))
End Method
End Type
Function NewType:TType(kind:Int = 0)
Local ty:TType
Select kind
Case TType.T_BYTE
ty = New TByteType
Case TType.T_SHORT
ty = New TShortType
Case TType.T_INT
ty = New TIntType
Case TType.T_UINT
ty = New TUIntType
Case TType.T_LONG
ty = New TLongType
Case TType.T_ULONG
ty = New TULongType
Case TType.T_SIZET
ty = New TSizeTType
Case TType.T_INT128
ty = New TInt128Type
Case TType.T_FLOAT
ty = New TFloatType
Case TType.T_DOUBLE
ty = New TDoubleType
Case TType.T_FLOAT64
ty = New TFloat64Type
Case TType.T_FLOAT128
ty = New TFloat128Type
Case TType.T_DOUBLE128
ty = New TDouble128Type
Case TType.T_STRING
ty = New TStringType
Case TType.T_ARRAY
ty = New TArrayType
Case TType.T_FUNCTIONPTR
ty = New TFunctionPtrType
Case TType.T_ENUM
ty = New TEnumType
Case TType.T_LONGINT
ty = New TLongIntType
Case TType.T_ULONGINT
ty = New TULongIntType
Default
Err "Don't have a pointer type for " + kind
End Select
Return ty
End Function
Function NewPointerType:TType(kind:Int = 0)
Local ty:TType = NewType(kind)
Return TType.MapToPointerType(ty)
End Function
Function IsPointerType:Int(ty:TType, kind:Int = 0, pType:Int = TType.T_PTR)
' TODO :
If kind Then
If IsType(ty, kind) Then
Return ty._flags & pType
Else
Return False
End If
Else
Return ty._flags & pType
End If
End Function
Function IsNumericType:Int(ty:TType)
Return (TNumericType(ty) <> Null) And Not IsPointerType(ty, 0, TType.T_POINTER)
End Function
Function IsType:Int(ty:TType, kind:Int)
Select kind
Case TType.T_BYTE
Return TByteType(ty) <> Null
Case TType.T_SHORT
Return TShortType(ty) <> Null
Case TType.T_INT
Return TIntType(ty) <> Null
Case TType.T_UINT
Return TUIntType(ty) <> Null
Case TType.T_LONG
Return TLongType(ty) <> Null
Case TType.T_ULONG
Return TULongType(ty) <> Null
Case TType.T_SIZET
Return TSizeTType(ty) <> Null
Case TType.T_INT128
Return TInt128Type(ty) <> Null
Case TType.T_FLOAT
Return TFloatType(ty) <> Null
Case TType.T_DOUBLE
Return TDoubleType(ty) <> Null
Case TType.T_FLOAT64
Return TFloat64Type(ty) <> Null
Case TType.T_FLOAT128
Return TFloat128Type(ty) <> Null
Case TType.T_DOUBLE128
Return TDouble128Type(ty) <> Null
Case TType.T_STRING
Return TStringType(ty) <> Null
Case TType.T_ARRAY
Return TArrayType(ty) <> Null
Case TType.T_FUNCTIONPTR
Return TFunctionPtrType(ty) <> Null
Case TType.T_ENUM
Return TEnumType(ty) <> Null
Case TType.T_LONGINT
Return TLongIntType(ty) <> Null
Case TType.T_ULONGINT
Return TULongIntType(ty) <> Null
End Select
Return False
End Function
Type TVoidType Extends TType
Method EqualsType:Int( ty:TType )
If opt_issuperstrict Then
Return TVoidType( ty )<>Null
Else
Return TVoidType( ty )<>Null Or TIntType( ty) <> Null
End If
End Method
Method ToString$()
Return "Void"
End Method
Method OnCopy:TType()
Return New TVoidType
End Method
End Type
Type TNullType Extends TType
Method EqualsType:Int( ty:TType )
Return False
End Method
Method ExtendsType:Int( ty:TType, noExtendString:Int = False, widensTest:Int = False )
Return True
End Method
Method ToString$()
Return "NULL"
End Method
Method OnCopy:TType()
Return New TNullType
End Method
End Type
Type TBoolType Extends TType
Method EqualsType:Int( ty:TType )
Return TBoolType( ty )<>Null
End Method
Method ExtendsType:Int( ty:TType, noExtendString:Int = False, widensTest:Int = False )
Return (widensTest And WidensToType(ty)) Or (Not widensTest And TNumericType( ty )<>Null) Or TBoolType( ty )<>Null Or (Not noExtendString And TStringType( ty )<>Null)
End Method
Method WidensToType:Int( ty:TType )
Return IsNumericType(ty)
End Method
Method DistanceToType:Int(ty:TType)
If TBoolType(ty)<>Null Then
Return 0
End If
If TIntType(ty)<>Null Then
Return 1
End If
Return 4
End Method
Method ToString$()
Return "Bool"
End Method
Method GetSize:Int()
Return 4
End Method
Method OnCopy:TType()
Return New TBoolType
End Method
End Type
Type TNumericType Extends TType
Method ToPointer:TType()
Local ty:TType = Copy()
Return MapToPointerType(ty)
End Method
End Type
Type TIntegralType Extends TNumericType
End Type
Type TIntType Extends TIntegralType
Method EqualsType:Int( ty:TType )
Return TIntType( ty )<>Null And (_flags = ty._flags Or ..
(_flags & T_VARPTR And ty._flags & T_PTR) Or (ty._flags & T_VARPTR And _flags & T_PTR) Or (_flags & T_VAR))
End Method
Method ExtendsType:Int( ty:TType, noExtendString:Int = False, widensTest:Int = False )
'If TObjectType( ty )
' Local expr:TExpr=New TConstExpr.Create( Self,"" ).Semant()
' Local ctor:TFuncDecl=ty.GetClass().FindFuncDecl( "new",[expr],True,,,,SCOPE_CLASS_HEIRARCHY )
' Return ctor And ctor.IsCtor()
'EndIf
If _flags & T_VARPTR And (TIntType(ty) <> Null Or IsPointerType(ty, 0, T_POINTER)) Return True
Return (widensTest And WidensToType(ty)) Or (Not widensTest And TNumericType( ty )<>Null) Or (Not noExtendString And TStringType( ty )<>Null) Or (WORD_SIZE=4 And TLParamType(ty)<>Null)
End Method
Method WidensToType:Int( ty:TType )
Return (IsPointerType(ty, 0, T_POINTER) And IsPointerType(Self, 0, T_POINTER)) Or (TIntType(ty)<>Null And (ty._flags & T_VAR)) Or TLongType(ty)<>Null Or TFloatType(ty)<>Null Or TDoubleType(ty)<>Null Or (WORD_SIZE=8 And TLParamType(ty)<>Null)
End Method
Method DistanceToType:Int(ty:TType)
If IsPointerType(ty, 0, T_POINTER) Then
If IsPointerType(Self, 0, T_POINTER) Then
Return 0
Else
Return T_MAX_DISTANCE
End If
End If
If TIntType(ty)<>Null Then
Return 0
End If
If WORD_SIZE = 4 And TLParamType(ty)<>Null Then
Return 1
End If
If TLongType(ty)<>Null Then
Return 2
End If
If WORD_SIZE = 8 And TLParamType(ty)<>Null Then
Return 3
End If
If TFloatType(ty)<>Null Then
Return 4
End If
If TDoubleType(ty)<>Null Then
Return 6
End If
Return T_MAX_DISTANCE
End Method
Method OnCopy:TType()
Return New TIntType
End Method
Method ToString$()
Return "Int" + ToStringParts()
End Method
Method GetSize:Int()
Return 4
End Method
End Type
Type TUIntType Extends TIntegralType
Method EqualsType:Int( ty:TType )
Return TUIntType( ty )<>Null And (_flags = ty._flags Or ..
(_flags & T_VARPTR And ty._flags & T_PTR) Or (ty._flags & T_VARPTR And _flags & T_PTR) Or (_flags & T_VAR))
End Method
Method ExtendsType:Int( ty:TType, noExtendString:Int = False, widensTest:Int = False )
'If TObjectType( ty )
' Local expr:TExpr=New TConstExpr.Create( Self,"" ).Semant()
' Local ctor:TFuncDecl=ty.GetClass().FindFuncDecl( "new",[expr],True )
' Return ctor And ctor.IsCtor()
'EndIf
If _flags & T_VARPTR And (TUIntType(ty) <> Null Or IsPointerType(ty, 0, T_POINTER)) Return True
Return (widensTest And WidensToType(ty)) Or (Not widensTest And TNumericType( ty )<>Null) Or (Not noExtendString And TStringType( ty )<>Null) Or (WORD_SIZE=4 And (TSizeTType(ty)<>Null Or TWParamType(ty)<>Null))
End Method
Method WidensToType:Int( ty:TType )
Return (IsPointerType(ty, 0, T_POINTER) And IsPointerType(Self, 0, T_POINTER)) Or (TUIntType(ty)<>Null And (ty._flags & T_VAR)) Or TIntType(ty)<> Null Or TLongType(ty)<>Null Or TULongType(ty)<>Null Or TFloatType(ty)<>Null Or TDoubleType(ty)<>Null Or (WORD_SIZE=8 And TWParamType(ty)<>Null)
End Method
Method DistanceToType:Int(ty:TType)
If IsPointerType(ty, 0, T_POINTER) Then
If IsPointerType(Self, 0, T_POINTER) Then
Return 0
Else
Return T_MAX_DISTANCE
End If
End If
If TUIntType(ty)<>Null Then
Return 0
End If
If WORD_SIZE = 4 And (TSizeTType(ty)<>Null Or TWParamType(ty)<>Null) Then
Return 1
End If
If TIntType(ty)<>Null Then
Return 2
End If
If WORD_SIZE = 8 And (TSizeTType(ty)<>Null Or TWParamType(ty)<>Null) Then
Return 3
End If
If TULongType(ty)<>Null Then
Return 3
End If
If TLongType(ty)<>Null Then
Return 4
End If
If TFloatType(ty)<>Null Then
Return 5
End If
If TDoubleType(ty)<>Null Then
Return 6
End If
Return T_MAX_DISTANCE
End Method
Method OnCopy:TType()
Return New TUIntType
End Method
Method ToString$()
Return "UInt" + ToStringParts()
End Method
Method GetSize:Int()
Return 4
End Method
End Type
Type TSizeTType Extends TIntegralType
Method EqualsType:Int( ty:TType )
Return TSizeTType( ty )<>Null And (_flags = ty._flags Or ..
(_flags & T_VARPTR And ty._flags & T_PTR) Or (ty._flags & T_VARPTR And _flags & T_PTR) Or (_flags & T_VAR))
End Method
Method ExtendsType:Int( ty:TType, noExtendString:Int = False, widensTest:Int = False )
'If TObjectType( ty )
' Local expr:TExpr=New TConstExpr.Create( Self,"" ).Semant()
' Local ctor:TFuncDecl=ty.GetClass().FindFuncDecl( "new",[expr],True )
' Return ctor And ctor.IsCtor()
'EndIf
If _flags & T_VARPTR And (TSizeTType(ty) <> Null Or IsPointerType(ty, 0, T_POINTER)) Return True
Return (widensTest And WidensToType(ty)) Or (Not widensTest And TNumericType( ty )<>Null) Or (Not noExtendString And TStringType( ty )<>Null) Or (WORD_SIZE=4 And TUIntType(ty)<>Null) Or (WORD_SIZE=8 And TULongType(ty)<>Null)
End Method
Method WidensToType:Int( ty:TType )
If WORD_SIZE = 4 Then
Return (IsPointerType(ty, 0, T_POINTER) And IsPointerType(Self, 0, T_POINTER)) Or ((TSizeTType(ty)<>Null Or TUIntType(ty)<>Null) And (ty._flags & T_VAR)) Or TIntType(ty)<>Null Or TUIntType(ty)<>Null Or TLongType(ty)<>Null Or TULongType(ty)<>Null Or TFloatType(ty)<>Null Or TDoubleType(ty)<>Null Or TWParamType(ty)<>Null Or TLParamType(ty)<>Null
Else
Return (IsPointerType(ty, 0, T_POINTER) And IsPointerType(Self, 0, T_POINTER)) Or ((TSizeTType(ty)<>Null Or TULongType(ty)<>Null) And (ty._flags & T_VAR)) Or TLongType(ty)<>Null Or TULongType(ty)<>Null Or TFloatType(ty)<>Null Or TDoubleType(ty)<>Null Or TFloat64Type(ty)<>Null Or TWParamType(ty)<>Null Or TLParamType(ty)<>Null
End If
End Method
Method DistanceToType:Int(ty:TType)
If IsPointerType(ty, 0, T_POINTER) Then
If IsPointerType(Self, 0, T_POINTER) Then
Return 0
Else
Return T_MAX_DISTANCE
End If
End If
If TSizeTType(ty)<>Null Then
Return 0
End If
If TWParamType(ty)<>Null Then
Return 1
End If
If WORD_SIZE = 4 Then
If TUIntType(ty)<>Null Then
Return 1
End If
If TIntType(ty)<>Null Then
Return 2
End If
If TLParamType(ty)<>Null Then
Return 2
End If
If TULongType(ty)<>Null Then
Return 3
End If
If TLongType(ty)<>Null Then
Return 4
End If
If TFloatType(ty)<>Null Then
Return 5
End If
If TDoubleType(ty)<>Null Then
Return 6
End If
Else
If TULongType(ty)<>Null Then
Return 1
End If
If TLongType(ty)<>Null Then
Return 2
End If
If TLParamType(ty)<>Null Then
Return 2
End If
If TFloatType(ty)<>Null Then
Return 4
End If
If TDoubleType(ty)<>Null Then
Return 6
End If
If TFloat64Type(ty)<>Null Then
Return 8
End If
End If
Return T_MAX_DISTANCE
End Method
Method OnCopy:TType()
Return New TSizeTType
End Method
Method ToString$()
Return "size_t" + ToStringParts()
End Method
Method GetSize:Int()
Return WORD_SIZE
End Method
End Type
Type TByteType Extends TIntegralType
Method EqualsType:Int( ty:TType )
Return TByteType( ty )<>Null And (_flags = ty._flags Or ..
(_flags & T_VARPTR And ty._flags & T_PTR) Or (ty._flags & T_VARPTR And _flags & T_PTR) Or (_flags & T_VAR))
End Method
Method ExtendsType:Int( ty:TType, noExtendString:Int = False, widensTest:Int = False )
'If TObjectType( ty )
' Local expr:TExpr=New TConstExpr.Create( Self,"" ).Semant()
' Local ctor:TFuncDecl=ty.GetClass().FindFuncDecl( "new",[expr],True )
' Return ctor And ctor.IsCtor()
'EndIf
If (_flags & T_VARPTR) And (TByteType(ty) <> Null Or IsPointerType(ty, 0, T_POINTER)) Return True
Return (widensTest And WidensToType(ty)) Or (Not widensTest And TNumericType( ty )<>Null) Or (Not noExtendString And TStringType( ty )<>Null) 'Or TByteVarPtrType( ty )<> Null
End Method
Method WidensToType:Int( ty:TType )
Return (IsPointerType(ty, 0, T_POINTER) And IsPointerType(Self, 0, T_POINTER)) Or (TByteType(ty)<>Null And (ty._flags & T_VAR)) Or TShortType(ty)<>Null Or TIntType(ty)<>Null Or TUIntType(ty)<>Null Or TLongType(ty)<>Null Or TULongType(ty)<>Null Or TFloatType(ty)<>Null Or TDoubleType(ty)<>Null Or TWParamType(ty)<>Null Or TLParamType(ty)<>Null
End Method
Method DistanceToType:Int(ty:TType)
If IsPointerType(ty, 0, T_POINTER) Then
If IsPointerType(Self, 0, T_POINTER) Then
Return 0
Else
Return T_MAX_DISTANCE
End If
End If
If TByteType(ty)<>Null Then
Return 0
End If
If TShortType(ty)<>Null Then
Return 2
End If
If WORD_SIZE = 4 And (TSizeTType(ty)<>Null Or TWParamType(ty)<>Null) Then
Return 4
End If
If TUIntType(ty)<>Null Then
Return 4
End If
If TIntType(ty)<>Null Then
Return 5
End If
If WORD_SIZE = 4 And TLParamType(ty)<>Null Then
Return 5
End If
If WORD_SIZE = 8 And (TSizeTType(ty)<>Null Or TWParamType(ty)<>Null) Then
Return 6
End If
If TULongType(ty)<>Null Then
Return 6
End If
If TLongType(ty)<>Null Then
Return 7
End If
If WORD_SIZE = 8 And TLParamType(ty)<>Null Then
Return 7
End If
If TFloatType(ty)<>Null Then
Return 8
End If
If TDoubleType(ty)<>Null Then
Return 10
End If
Return T_MAX_DISTANCE
End Method
Method OnCopy:TType()
Return New TByteType
End Method
Method ToString$()
Return "Byte" + ToStringParts()
End Method
Method GetSize:Int()
Return 1
End Method
End Type
Type TShortType Extends TIntegralType
Method EqualsType:Int( ty:TType )
Return TShortType( ty )<>Null And (_flags = ty._flags Or ..
(_flags & T_VARPTR And ty._flags & T_PTR) Or (ty._flags & T_VARPTR And _flags & T_PTR) Or (_flags & T_VAR))
End Method
Method ExtendsType:Int( ty:TType, noExtendString:Int = False, widensTest:Int = False )
'If TObjectType( ty )
' Local expr:TExpr=New TConstExpr.Create( Self,"" ).Semant()
' Local ctor:TFuncDecl=ty.GetClass().FindFuncDecl( "new",[expr],True )
' Return ctor And ctor.IsCtor()
'EndIf
If _flags & T_VARPTR And (TShortType(ty) <> Null Or IsPointerType(ty, 0, T_POINTER)) Return True
Return (widensTest And WidensToType(ty)) Or (Not widensTest And TNumericType( ty )<>Null) Or (Not noExtendString And TStringType( ty )<>Null) 'Or TShortVarPtrType( ty )<> Null
End Method
Method WidensToType:Int( ty:TType )
Return (IsPointerType(ty, 0, T_POINTER) And IsPointerType(Self, 0, T_POINTER)) Or (TShortType(ty)<>Null And (ty._flags & T_VAR)) Or TIntType(ty)<>Null Or TUIntType(ty)<>Null Or TLongType(ty)<>Null Or TULongType(ty)<>Null Or TFloatType(ty)<>Null Or TDoubleType(ty)<>Null Or TWParamType(ty)<>Null Or TLParamType(ty)<>Null
End Method
Method DistanceToType:Int(ty:TType)
If IsPointerType(ty, 0, T_POINTER) Then
If IsPointerType(Self, 0, T_POINTER) Then
Return 0
Else
Return T_MAX_DISTANCE
End If
End If
If TShortType(ty)<>Null Then
Return 0
End If
If WORD_SIZE = 4 And (TSizeTType(ty)<>Null Or TWParamType(ty)<>Null) Then
Return 2
End If
If TUIntType(ty)<>Null Then
Return 2
End If
If TIntType(ty)<>Null Then
Return 3
End If
If WORD_SIZE = 4 And TLParamType(ty)<>Null Then
Return 3
End If
If WORD_SIZE = 8 And (TSizeTType(ty)<>Null Or TWParamType(ty)<>Null) Then
Return 4
End If
If TULongType(ty)<>Null Then
Return 4
End If
If TLongType(ty)<>Null Then
Return 5
End If
If WORD_SIZE = 8 And TLParamType(ty)<>Null Then
Return 5
End If
If TFloatType(ty)<>Null Then
Return 6
End If
If TDoubleType(ty)<>Null Then
Return 8
End If
Return T_MAX_DISTANCE
End Method
Method OnCopy:TType()
Return New TShortType
End Method
Method ToString$()
Return "Short" + ToStringParts()
End Method
Method GetSize:Int()
Return 2
End Method
End Type
Type TLongType Extends TIntegralType ' BaH Long
Method EqualsType:Int( ty:TType )
Return TLongType( ty )<>Null And (_flags = ty._flags Or ..
(_flags & T_VARPTR And ty._flags & T_PTR) Or (ty._flags & T_VARPTR And _flags & T_PTR) Or (_flags & T_VAR))
End Method
Method ExtendsType:Int( ty:TType, noExtendString:Int = False, widensTest:Int = False )
'If TObjectType( ty )
' Local expr:TExpr=New TConstExpr.Create( Self,"" ).Semant()
' Local ctor:TFuncDecl=ty.GetClass().FindFuncDecl( "new",[expr],True )
' Return ctor And ctor.IsCtor()
'EndIf
If _flags & T_VARPTR And (TLongType(ty) <> Null Or IsPointerType(ty, 0, T_POINTER)) Return True
Return (widensTest And WidensToType(ty)) Or (Not widensTest And TNumericType( ty )<>Null) Or (Not noExtendString And TStringType( ty )<>Null) 'Or TLongVarPtrType( ty )<> Null
End Method
Method WidensToType:Int( ty:TType )
Return (IsPointerType(ty, 0, T_POINTER) And IsPointerType(Self, 0, T_POINTER)) Or (TLongType(ty)<>Null And (ty._flags & T_VAR)) Or TFloatType(ty)<>Null Or TDoubleType(ty)<>Null Or TFloat64Type(ty)<>Null
End Method
Method DistanceToType:Int(ty:TType)
If IsPointerType(ty, 0, T_POINTER) Then
If IsPointerType(Self, 0, T_POINTER) Then
Return 0
Else
Return T_MAX_DISTANCE
End If
End If
If TLongType(ty)<>Null Then
Return 0
End If
If WORD_SIZE = 8 And TLParamType(ty)<>Null Then
Return 1
End If
If TFloatType(ty)<>Null Then
Return 2
End If
If TDoubleType(ty)<>Null Then
Return 4
End If
If TFloat64Type(ty)<>Null Then
Return 6
End If
Return T_MAX_DISTANCE
End Method
Method OnCopy:TType()
Return New TLongType
End Method
Method ToString$()
Return "Long" + ToStringParts()
End Method
End Type
Type TULongType Extends TIntegralType
Method EqualsType:Int( ty:TType )
Return TULongType( ty )<>Null And (_flags = ty._flags Or ..
(_flags & T_VARPTR And ty._flags & T_PTR) Or (ty._flags & T_VARPTR And _flags & T_PTR) Or (_flags & T_VAR))
End Method
Method ExtendsType:Int( ty:TType, noExtendString:Int = False, widensTest:Int = False )
'If TObjectType( ty )
' Local expr:TExpr=New TConstExpr.Create( Self,"" ).Semant()
' Local ctor:TFuncDecl=ty.GetClass().FindFuncDecl( "new",[expr],True )