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lpvartypes_ord.pas
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lpvartypes_ord.pas
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{
Author: Niels A.D
Project: Lape (https://github.com/nielsAD/lape)
License: GNU Lesser GPL (http://www.gnu.org/licenses/lgpl.html)
All (script)type and (script)variable classes, including corresponding evaluation functions (runtime/compile time).
}
unit lpvartypes_ord;
{$I lape.inc}
interface
uses
Classes, SysUtils,
lptypes, lpvartypes;
type
{$IFDEF FPC}generic{$ENDIF} TLapeType_Integer<_Type> = class(TLapeType)
protected type
PType = ^_Type;
var public
function NewGlobalVar(Val: _Type; AName: lpString = ''; ADocPos: PDocPos = nil): TLapeGlobalVar; virtual;
function NewGlobalVarStr(Str: UnicodeString; AName: lpString = ''; ADocPos: PDocPos = nil): TLapeGlobalVar; override;
end;
{$IFDEF FPC}generic{$ENDIF} TLapeType_Float<_Type> = class(TLapeType)
protected type
PType = ^_Type;
var public
function NewGlobalVar(Val: _Type; AName: lpString = ''; ADocPos: PDocPos = nil): TLapeGlobalVar; virtual;
function NewGlobalVarStr(Str: UnicodeString; AName: lpString = ''; ADocPos: PDocPos = nil): TLapeGlobalVar; override;
end;
{$IFDEF FPC}generic{$ENDIF} TLapeType_Char<_Type> = class(TLapeType)
protected type
PType = ^_Type;
var public
function NewGlobalVar(Val: _Type; AName: lpString = ''; ADocPos: PDocPos = nil): TLapeGlobalVar; virtual;
function NewGlobalVarStr(Str: UnicodeString; AName: lpString = ''; ADocPos: PDocPos = nil): TLapeGlobalVar; override;
end;
TLapeType_UInt8 = class({$IFDEF FPC}specialize{$ENDIF} TLapeType_Integer<UInt8>)
public constructor Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil); reintroduce; virtual; end;
TLapeType_Int8 = class({$IFDEF FPC}specialize{$ENDIF} TLapeType_Integer<Int8>)
public constructor Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil); reintroduce; virtual; end;
TLapeType_UInt16 = class({$IFDEF FPC}specialize{$ENDIF} TLapeType_Integer<UInt16>)
public constructor Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil); reintroduce; virtual; end;
TLapeType_Int16 = class({$IFDEF FPC}specialize{$ENDIF} TLapeType_Integer<Int16>)
public constructor Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil); reintroduce; virtual; end;
TLapeType_UInt32 = class({$IFDEF FPC}specialize{$ENDIF} TLapeType_Integer<UInt32>)
public constructor Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil); reintroduce; virtual; end;
TLapeType_Int32 = class({$IFDEF FPC}specialize{$ENDIF} TLapeType_Integer<Int32>)
public constructor Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil); reintroduce; virtual; end;
TLapeType_UInt64 = class({$IFDEF FPC}specialize{$ENDIF} TLapeType_Integer<UInt64>)
public constructor Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil); reintroduce; virtual; end;
TLapeType_Int64 = class({$IFDEF FPC}specialize{$ENDIF} TLapeType_Integer<Int64>)
public constructor Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil); reintroduce; virtual; end;
TLapeType_Single = class({$IFDEF FPC}specialize{$ENDIF} TLapeType_Float<Single>)
public constructor Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil); reintroduce; virtual; end;
TLapeType_Double = class({$IFDEF FPC}specialize{$ENDIF} TLapeType_Float<Double>)
public constructor Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil); reintroduce; virtual; end;
TLapeType_Currency = class({$IFDEF FPC}specialize{$ENDIF} TLapeType_Float<Currency>)
public constructor Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil); reintroduce; virtual; end;
{$IFNDEF Lape_NoExtended}
TLapeType_Extended = class({$IFDEF FPC}specialize{$ENDIF} TLapeType_Float<Extended>)
public constructor Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil); reintroduce; virtual; end;
{$ENDIF}
TLapeType_AnsiChar = class({$IFDEF FPC}specialize{$ENDIF} TLapeType_Char<AnsiChar>)
public constructor Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil); reintroduce; virtual; end;
TLapeType_WideChar = class({$IFDEF FPC}specialize{$ENDIF} TLapeType_Char<WideChar>)
public constructor Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil); reintroduce; virtual; end;
TLapeType_Variant = class(TLapeType)
public
constructor Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil); reintroduce; virtual;
function NewGlobalVar(Val: Variant; AName: lpString = ''; ADocPos: PDocPos = nil): TLapeGlobalVar; virtual;
function NewGlobalVarStr(Str: UnicodeString; AName: lpString = ''; ADocPos: PDocPos = nil): TLapeGlobalVar; override;
end;
TLapeType_SubRange = class(TLapeType)
protected
FRange: TLapeRange;
FVarType: TLapeType;
FAsArray: TLapeGlobalVar;
function getAsString: lpString; override;
function getAsArray: TLapeGlobalVar; virtual;
public
constructor Create(ARange: TLapeRange; ACompiler: TLapeCompilerBase; AVarType: TLapeType; AName: lpString = ''; ADocPos: PDocPos = nil); reintroduce; virtual;
function CreateCopy(DeepCopy: Boolean = False): TLapeType; override;
procedure ClearCache; override;
function VarToStringBody(ToStr: TLapeType_OverloadedMethod = nil): lpString; override;
function VarToString(AVar: Pointer): lpString; override;
function VarLo(AVar: Pointer = nil): TLapeGlobalVar; override;
function VarHi(AVar: Pointer = nil): TLapeGlobalVar; override;
function NewGlobalVar(Value: Int64 = 0; AName: lpString = ''; ADocPos: PDocPos = nil): TLapeGlobalVar; virtual;
function NewGlobalVarStr(Str: UnicodeString; AName: lpString = ''; ADocPos: PDocPos = nil): TLapeGlobalVar; override;
property Range: TLapeRange read FRange;
property VarType: TLapeType read FVarType;
property AsArray: TLapeGlobalVar read getAsArray;
end;
TEnumMap = TStringList;
TLapeType_Enum = class(TLapeType_SubRange)
protected
FMemberMap: TEnumMap;
FScoped: Boolean;
FSmall: Boolean;
FGapCount: Int32;
function getAsString: lpString; override;
function getAsArray: TLapeGlobalVar; override;
public
FreeMemberMap: Boolean;
constructor Create(ACompiler: TLapeCompilerBase; AMemberMap: TEnumMap; AScoped: Boolean; AName: lpString = ''; ADocPos: PDocPos = nil); reintroduce; virtual;
function CreateCopy(DeepCopy: Boolean = False): TLapeType; override;
destructor Destroy; override;
function canSet: Boolean;
function hasMember(AName: lpString): Boolean; virtual;
function addMember(Value: Int64; AName: lpString): Int64; overload; virtual;
function addMember(AName: lpString): Int64; overload; virtual;
function Equals(Other: TLapeType; ContextOnly: Boolean = True): Boolean; reintroduce; override;
function VarToStringBody(ToStr: TLapeType_OverloadedMethod = nil): lpString; override;
function VarToString(AVar: Pointer): lpString; override;
function NewGlobalVarStr(Str: UnicodeString; AName: lpString = ''; ADocPos: PDocPos = nil): TLapeGlobalVar; override;
function EvalAsSubType(Op: EOperator; Right: TLapeType): Boolean; virtual;
function EvalRes(Op: EOperator; Right: TLapeType = nil; Flags: ELapeEvalFlags = []): TLapeType; override;
function EvalConst(Op: EOperator; Left, Right: TLapeGlobalVar; Flags: ELapeEvalFlags): TLapeGlobalVar; override;
function Eval(Op: EOperator; var Dest: TResVar; Left, Right: TResVar; Flags: ELapeEvalFlags; var Offset: Integer; Pos: PDocPos = nil): TResVar; override;
property MemberMap: TEnumMap read FMemberMap;
property Scoped: Boolean read FScoped;
property Small: Boolean read FSmall;
property GapCount: Int32 read FGapCount;
end;
TLapeType_Boolean = class(TLapeType_Enum)
public constructor Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil); reintroduce; virtual;
function NewGlobalVar(Value: Int64 = 0; AName: lpString = ''; ADocPos: PDocPos = nil): TLapeGlobalVar; override;
function EvalAsSubType(Op: EOperator; Right: TLapeType): Boolean; override;
end;
TLapeType_Bool = class(TLapeType_SubRange)
public
constructor Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil); reintroduce; virtual;
function CreateCopy(DeepCopy: Boolean = False): TLapeType; override;
destructor Destroy; override;
function NewGlobalVar(Value: Int64 = 0; AName: lpString = ''; ADocPos: PDocPos = nil): TLapeGlobalVar; override;
function EvalRes(Op: EOperator; Right: TLapeType = nil; Flags: ELapeEvalFlags = []): TLapeType; override;
function EvalConst(Op: EOperator; Left, Right: TLapeGlobalVar; Flags: ELapeEvalFlags): TLapeGlobalVar; override;
function Eval(Op: EOperator; var Dest: TResVar; Left, Right: TResVar; Flags: ELapeEvalFlags; var Offset: Integer; Pos: PDocPos = nil): TResVar; override;
end;
TLapeType_ByteBool = class(TLapeType_Bool)
public constructor Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil); reintroduce; virtual; end;
TLapeType_WordBool = class(TLapeType_Bool)
public constructor Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil); reintroduce; virtual; end;
TLapeType_LongBool = class(TLapeType_Bool)
public constructor Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil); reintroduce; virtual; end;
{$IFDEF Lape_SmallCode}
TLapeType_EvalBool = TLapeType_Boolean;
{$ELSE}
TLapeType_EvalBool = TLapeType_LongBool;
{$ENDIF}
TLapeType_Set = class(TLapeType)
protected
FRange: TLapeType_SubRange;
FSmall: Boolean;
function getAsString: lpString; override;
procedure setName(const AName: lpString); override;
public
constructor Create(ARange: TLapeType_SubRange; ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil); reintroduce; virtual;
function CreateCopy(DeepCopy: Boolean = False): TLapeType; override;
function VarToStringBody(ToStr: TLapeType_OverloadedMethod = nil): lpString; override;
function VarToString(AVar: Pointer): lpString; override;
function NewGlobalVar(Values: array of UInt8; AName: lpString = ''; ADocPos: PDocPos = nil): TLapeGlobalVar; virtual;
function EvalRes(Op: EOperator; Right: TLapeType = nil; Flags: ELapeEvalFlags = []): TLapeType; override;
property Range: TLapeType_SubRange read FRange;
property Small: Boolean read FSmall;
end;
implementation
uses
Variants,
lpparser, lpeval, lpmessages, lpvartypes_array;
function TLapeType_Integer{$IFNDEF FPC}<_Type>{$ENDIF}.NewGlobalVar(Val: _Type; AName: lpString = ''; ADocPos: PDocPos = nil): TLapeGlobalVar;
begin
Result := NewGlobalVarP(nil, AName, ADocPos);
PType(Result.Ptr)^ := Val;
end;
function TLapeType_Integer{$IFNDEF FPC}<_Type>{$ENDIF}.NewGlobalVarStr(Str: UnicodeString; AName: lpString = ''; ADocPos: PDocPos = nil): TLapeGlobalVar;
{$IFNDEF FPC}
var
i64: Int64;
ui64: UInt64;
t: PType;
{$ENDIF}
begin
if {(Length(Str) > 1) and (Str[1] <> '-')} (BaseType in LapeUnsignedIntegerTypes) then
begin
{$IFDEF FPC}
Result := NewGlobalVar(StrToUInt64(string(Str)), AName, ADocPos);
{$ELSE}
ui64 := StrToUInt64(string(Str)); t := @ui64;
Result := NewGlobalVar(t^ , AName, ADocPos);
{$ENDIF}
end
else
begin
{$IFDEF FPC}
Result := NewGlobalVar(StrToInt64(string(Str)), AName, ADocPos);
{$ELSE}
i64 := StrToInt64(string(Str)); t := @i64;
Result := NewGlobalVar(t^ , AName, ADocPos);
{$ENDIF}
end;
end;
function TLapeType_Float{$IFNDEF FPC}<_Type>{$ENDIF}.NewGlobalVar(Val: _Type; AName: lpString = ''; ADocPos: PDocPos = nil): TLapeGlobalVar;
begin
Result := NewGlobalVarP(nil, AName, ADocPos);
PType(Result.Ptr)^ := Val;
end;
function TLapeType_Float{$IFNDEF FPC}<_Type>{$ENDIF}.NewGlobalVarStr(Str: UnicodeString; AName: lpString = ''; ADocPos: PDocPos = nil): TLapeGlobalVar;
{$IFNDEF FPC}var a: Extended; b: PType;{$ENDIF}
begin
{$IFDEF FPC}
Result := NewGlobalVar(StrToFloatDot(string(Str)), AName, ADocPos);
{$ELSE}
a := StrToFloatDot(string(Str)); b := @a;
Result := NewGlobalVar(b^ , AName, ADocPos);
{$ENDIF}
end;
function TLapeType_Char{$IFNDEF FPC}<_Type>{$ENDIF}.NewGlobalVar(Val: _Type; AName: lpString = ''; ADocPos: PDocPos = nil): TLapeGlobalVar;
begin
Result := NewGlobalVarP(nil, AName, ADocPos);
PType(Result.Ptr)^ := Val;
end;
function TLapeType_Char{$IFNDEF FPC}<_Type>{$ENDIF}.NewGlobalVarStr(Str: UnicodeString; AName: lpString = ''; ADocPos: PDocPos = nil): TLapeGlobalVar;
{$IFNDEF FPC}var a: WideChar; b: PType;{$ENDIF}
var
c: Integer;
begin
if (Length(Str) <> 1) then
try
if (Str[1] = '#') then
Delete(Str, 1, 1);
c := StrToInt(string(Str));
Result := NewGlobalVarP(nil, AName, ADocPos);
case Size of
SizeOf(UInt8): PUInt8(Result.Ptr)^ := c;
SizeOf(UInt16): PUInt16(Result.Ptr)^ := c;
else LapeException(lpeImpossible);
end;
Exit;
except
LapeExceptionFmt(lpeInvalidValueForType, [AsString]);
end;
{$IFDEF FPC}
Result := NewGlobalVar(_Type(Str[1]), AName, ADocPos);
{$ELSE}
a := Str[1]; b := @a;
Result := NewGlobalVar(b^, AName, ADocPos);
{$ENDIF}
end;
constructor TLapeType_UInt8.Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil);
begin
inherited Create(ltUInt8, ACompiler, AName, ADocPos);
end;
constructor TLapeType_Int8.Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil);
begin
inherited Create(ltInt8, ACompiler, AName, ADocPos);
end;
constructor TLapeType_UInt16.Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil);
begin
inherited Create(ltUInt16, ACompiler, AName, ADocPos);
end;
constructor TLapeType_Int16.Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil);
begin
inherited Create(ltInt16, ACompiler, AName, ADocPos);
end;
constructor TLapeType_UInt32.Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil);
begin
inherited Create(ltUInt32, ACompiler, AName, ADocPos);
end;
constructor TLapeType_Int32.Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil);
begin
inherited Create(ltInt32, ACompiler, AName, ADocPos);
end;
constructor TLapeType_UInt64.Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil);
begin
inherited Create(ltUInt64, ACompiler, AName, ADocPos);
end;
constructor TLapeType_Int64.Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil);
begin
inherited Create(ltInt64, ACompiler, AName, ADocPos);
end;
constructor TLapeType_Single.Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil);
begin
inherited Create(ltSingle, ACompiler, AName, ADocPos);
end;
constructor TLapeType_Double.Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil);
begin
inherited Create(ltDouble, ACompiler, AName, ADocPos);
end;
constructor TLapeType_Currency.Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil);
begin
inherited Create(ltCurrency, ACompiler, AName, ADocPos);
end;
{$IFNDEF Lape_NoExtended}
constructor TLapeType_Extended.Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil);
begin
inherited Create(ltExtended, ACompiler, AName, ADocPos);
end;
{$ENDIF}
constructor TLapeType_AnsiChar.Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil);
begin
inherited Create(ltAnsiChar, ACompiler, AName, ADocPos);
end;
constructor TLapeType_WideChar.Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil);
begin
inherited Create(ltWideChar, ACompiler, AName, ADocPos);
end;
constructor TLapeType_Variant.Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil);
begin
inherited Create(ltVariant, ACompiler, AName, ADocPos);
end;
function TLapeType_Variant.NewGlobalVar(Val: Variant; AName: lpString = ''; ADocPos: PDocPos = nil): TLapeGlobalVar;
begin
Result := NewGlobalVarP(nil, AName, ADocPos);
PVariant(Result.Ptr)^ := Val;
end;
function TLapeType_Variant.NewGlobalVarStr(Str: UnicodeString; AName: lpString = ''; ADocPos: PDocPos = nil): TLapeGlobalVar;
begin
Result := NewGlobalVar(Str, AName, ADocPos);
end;
procedure TLapeType_SubRange.ClearCache;
begin
inherited ClearCache();
if (FAsArray <> nil) then
FreeAndNil(FAsArray);
end;
function TLapeType_SubRange.getAsString: lpString;
begin
if (FAsString = '') then
if (FVarType <> nil) then
FAsString := FVarType.VarToString(@FRange.Lo) + '..' + FVarType.VarToString(@FRange.Hi)
else
FAsString := lpString(IntToStr(FRange.Lo)) + '..' + lpString(IntToStr(FRange.Hi));
Result := inherited;
end;
function TLapeType_SubRange.getAsArray: TLapeGlobalVar;
var
CounterVar, ValueVar: Integer;
Counter, Value: TLapeGlobalVar;
Element: TLapeGlobalVar;
begin
if (FAsArray = nil) then
begin
with TLapeType_DynArray(FCompiler.addManagedType(TLapeType_DynArray.Create(FVarType, FCompiler))) do
begin
FAsArray := TLapeGlobalVar(FCompiler.addManagedDecl(NewGlobalVarP()));
VarSetLength(FAsArray, (FRange.Hi - FRange.Lo) + 1);
end;
CounterVar := 0;
Counter := FCompiler.getBaseType(ltInt32).NewGlobalVarP(@CounterVar);
Value := FCompiler.getBaseType(ltInt32).NewGlobalVarP(@ValueVar);
try
for ValueVar := FRange.Lo to FRange.Hi do
try
Element := FAsArray.VarType.EvalConst(op_Index, FAsArray, Counter, []);
Element.VarType.EvalConst(op_Assign, Element, Value, [lefAssigning]);
Inc(CounterVar);
finally
if (Element <> nil) then
FreeAndNil(Element);
end;
finally
Counter.Free();
Value.Free();
end;
end;
Result := FAsArray;
end;
constructor TLapeType_SubRange.Create(ARange: TLapeRange; ACompiler: TLapeCompilerBase; AVarType: TLapeType; AName: lpString = ''; ADocPos: PDocPos = nil);
begin
inherited Create(ltUnknown, ACompiler, AName, ADocPos);
if (AVarType = nil) and (ACompiler <> nil) then
AVarType := ACompiler.getBaseType(DetermineIntType(ARange.Lo, ARange.Hi));
if (AVarType <> nil) then
FBaseType := AVarType.BaseType;
FRange := ARange;
FVarType := AVarType;
end;
function TLapeType_SubRange.VarToStringBody(ToStr: TLapeType_OverloadedMethod = nil): lpString;
var
Index: Integer;
begin
Result := '';
if (ToStr = nil) or (FCompiler = nil) or (FVarType = nil) then
Exit;
Index := ToStr.getMethodIndex(getTypeArray([FVarType]), FCompiler.getBaseType(ltString));
if (Index < 0) then
Exit;
Result := 'begin Result := System.ToString['+lpString(IntToStr(Index))+'](Param0); end;';
end;
function TLapeType_SubRange.VarToString(AVar: Pointer): lpString;
begin
if (FVarType <> nil) then
Result := FVarType.VarToString(AVar)
else
Result := lpString(IntToStr(VarToInt(AVar)));
end;
function TLapeType_SubRange.VarLo(AVar: Pointer = nil): TLapeGlobalVar;
begin
if (FLo = nil) and (FCompiler <> nil) and IsOrdinal() then
FLo := FCompiler.addManagedDecl(NewGlobalVar(FRange.Lo)) as TLapeGlobalVar;
Result := FLo;
end;
function TLapeType_SubRange.VarHi(AVar: Pointer = nil): TLapeGlobalVar;
begin
if (FHi = nil) and (FCompiler <> nil) and IsOrdinal() then
FHi := FCompiler.addManagedDecl(NewGlobalVar(FRange.Hi)) as TLapeGlobalVar;
Result := FHi;
end;
function TLapeType_SubRange.CreateCopy(DeepCopy: Boolean = False): TLapeType;
type
TLapeClassType = class of TLapeType_SubRange;
begin
Result := TLapeClassType(Self.ClassType).Create(FRange, FCompiler, FVarType, Name, @_DocPos);
with TLapeType_SubRange(Result) do
begin
inheritManagedDecls(Self, not DeepCopy);
TypeID := Self.TypeID;
FBaseType := Self.BaseType;
CopyHints(Self);
end;
end;
function TLapeType_SubRange.NewGlobalVar(Value: Int64 = 0; AName: lpString = ''; ADocPos: PDocPos = nil): TLapeGlobalVar;
begin
if (Value < FRange.Lo) or (Value > FRange.Hi) then
LapeExceptionFmt(lpeOutOfTypeRange1, [Value, FRange.Lo, FRange.Hi]);
Result := NewGlobalVarP(nil, AName);
case BaseIntType of
ltInt8: PInt8(Result.Ptr)^ := Value;
ltUInt8: PUInt8(Result.Ptr)^ := Value;
ltInt16: PInt16(Result.Ptr)^ := Value;
ltUInt16: PUInt16(Result.Ptr)^ := Value;
ltInt32: PInt32(Result.Ptr)^ := Value;
ltUInt32: PUInt32(Result.Ptr)^ := Value;
ltInt64: PInt64(Result.Ptr)^ := Value;
ltUInt64: PUInt64(Result.Ptr)^ := Value;
end;
end;
function TLapeType_SubRange.NewGlobalVarStr(Str: UnicodeString; AName: lpString = ''; ADocPos: PDocPos = nil): TLapeGlobalVar;
begin
with FVarType.NewGlobalVarStr(Str) do
try
Result := NewGlobalVar(AsInteger, AName, ADocPos);
finally
Free();
end;
end;
function TLapeType_Enum.getAsString: lpString;
var
i: Integer;
begin
if (FAsString = '') then
begin
FAsString := '(';
for i := 0 to FMemberMap.Count - 1 do
begin
if (FMemberMap[i] = '') then
Continue;
if (FAsString <> '(') then
FAsString := FAsString + ', ';
FAsString := FAsString + lpString(FMemberMap[i]) + '=' + lpString(IntToStr(i+FRange.Lo));
end;
FAsString := FAsString + ')';
end;
Result := inherited;
end;
function TLapeType_Enum.getAsArray: TLapeGlobalVar;
var
CounterVar: Integer;
Counter, Value: TLapeGlobalVar;
Element: TLapeGlobalVar;
I: Integer;
begin
if (FAsArray = nil) then
begin
if (BaseIntType = ltUnknown) then
LapeException(lpeImpossible, DocPos);
with TLapeType_DynArray(FCompiler.addManagedType(TLapeType_DynArray.Create(Self, FCompiler))) do
begin
FAsArray := TLapeGlobalVar(FCompiler.addManagedDecl(NewGlobalVarP()));
VarSetLength(FAsArray, FMemberMap.Count - FGapCount);
end;
CounterVar := 0;
Counter := FCompiler.getBaseType(ltInt32).NewGlobalVarP(@CounterVar);
Value := NewGlobalVarP(nil);
try
for i := 0 to FMemberMap.Count - 1 do
if (FMemberMap[i] <> '') then
try
case BaseIntType of
ltInt8: PInt8(Value.Ptr)^ := FRange.Lo + i;
ltUInt8: PUInt8(Value.Ptr)^ := FRange.Lo + i;
ltInt16: PInt16(Value.Ptr)^ := FRange.Lo + i;
ltUInt16: PUInt16(Value.Ptr)^ := FRange.Lo + i;
ltInt32: PInt32(Value.Ptr)^ := FRange.Lo + i;
ltUInt32: PUInt32(Value.Ptr)^ := FRange.Lo + i;
ltInt64: PInt64(Value.Ptr)^ := FRange.Lo + i;
ltUInt64: PUInt64(Value.Ptr)^ := FRange.Lo + i;
end;
Element := FAsArray.VarType.EvalConst(op_Index, FAsArray, Counter, []);
Element.VarType.EvalConst(op_Assign, Element, Value, [lefAssigning]);
Inc(CounterVar);
finally
if (Element <> nil) then
FreeAndNil(Element);
end;
finally
Counter.Free();
Value.Free();
end;
end;
Result := FAsArray;
end;
constructor TLapeType_Enum.Create(ACompiler: TLapeCompilerBase; AMemberMap: TEnumMap; AScoped: Boolean; AName: lpString; ADocPos: PDocPos);
begin
inherited Create(NullRange, ACompiler, nil, AName, ADocPos);
FBaseType := ltLargeEnum;
FVarType := nil;
FreeMemberMap := (AMemberMap = nil);
if (AMemberMap = nil) then
begin
AMemberMap := TEnumMap.Create();
AMemberMap.CaseSensitive := LapeCaseSensitive;
end;
FMemberMap := AMemberMap;
FScoped := AScoped;
FRange.Hi := Int64(FMemberMap.Count) - 1;
FSmall := (FRange.Hi <= Ord(High(ELapeSmallEnum)));
if FSmall then
FBaseType := ltSmallEnum;
end;
destructor TLapeType_Enum.Destroy;
begin
if FreeMemberMap then
FMemberMap.Free();
inherited;
end;
function TLapeType_Enum.canSet: Boolean;
begin
Result := FMemberMap.Count < 256; // pascal sets can have a maximum of 256 elements, this includes gaps!
end;
function TLapeType_Enum.hasMember(AName: lpString): Boolean;
begin
Result := FMemberMap.IndexOf(string(AName)) > -1;
end;
function TLapeType_Enum.addMember(Value: Int64; AName: lpString): Int64;
var
i: Integer;
begin
if (Value < FMemberMap.Count) then
LapeException(lpeInvalidRange)
else if (AName = '') or hasMember(AName) then
LapeException(lpeDuplicateDeclaration);
Result := Value;
FRange.Hi := Value;
if (FMemberMap.Count = 0) then
FRange.Lo := Value
else for i := FMemberMap.Count to Value - FRange.Lo - 1 do
begin
FGapCount := FGapCount + 1;
FMemberMap.Add('');
end;
FMemberMap.Add(string(AName));
FSmall := (FRange.Hi <= Ord(High(ELapeSmallEnum)));
if (not FSmall) then
FBaseType := ltLargeEnum;
ClearCache();
end;
function TLapeType_Enum.addMember(AName: lpString): Int64;
begin
Result := addMember(FRange.Hi + 1, AName);
end;
function TLapeType_Enum.Equals(Other: TLapeType; ContextOnly: Boolean): Boolean;
var
OtherEnum: TLapeType_Enum absolute Other;
begin
Result := (Other is TLapeType_Enum) and
(FSmall = OtherEnum.FSmall) and
(FScoped = OtherEnum.FScoped) and
(FMemberMap.Equals(OtherEnum.FMemberMap)) and inherited;
end;
function TLapeType_Enum.VarToStringBody(ToStr: TLapeType_OverloadedMethod = nil): lpString;
var
i: Integer;
begin
Result := '';
for i := 0 to FMemberMap.Count - 1 do
begin
if (Result <> '') then
Result := Result + ', ';
if FScoped then
Result := Result + 'string(' + #39 + lpString(FName + '.' + FMemberMap[i]) + #39 + ')'
else
Result := Result + 'string(' + #39 + lpString(FMemberMap[i]) + #39 + ')';
end;
Result := Format(lpString(
'type TEnumToString = private function(constref Arr; Index, Lo, Hi: System.SizeInt): System.string;' + LineEnding +
'begin Result := TEnumToString(System._EnumToString)([%s], System.Ord(Param0), %d, %d); end;'),
[Result, FRange.Lo, FRange.Hi]
);
end;
function TLapeType_Enum.VarToString(AVar: Pointer): lpString;
var
i: Int64;
begin
try
Result := '';
i := VarToInt(AVar);
if (FBaseType in LapeBoolTypes) then
if (i = 0) then
Result := 'False'
else if (Abs(i) > 1) then
Result := 'True(' + lpString(IntToStr(i)) + ')'
else
Result := 'True'
else
begin
if (i > -1) and (i < FMemberMap.Count) then
Result := lpString(FMemberMap[i]);
if (Result = '') then
if (Name <> '') then
Result := Name + '(' + lpString(IntToStr(i)) + ')'
else
Result := 'InvalidEnum';
end;
except
Result := 'EnumException';
end;
end;
function TLapeType_Enum.CreateCopy(DeepCopy: Boolean = False): TLapeType;
type
TLapeClassType = class of TLapeType_Enum;
begin
if DeepCopy then
begin
Result := TLapeClassType(Self.ClassType).Create(FCompiler, nil, Scoped, Name, @_DocPos);
TLapeType_Enum(Result).MemberMap.Assign(FMemberMap);
end
else
Result := TLapeClassType(Self.ClassType).Create(FCompiler, FMemberMap, Scoped, Name, @_DocPos);
with TLapeType_Enum(Result) do
begin
inheritManagedDecls(Self, not DeepCopy);
TypeID := Self.TypeID;
FBaseType := Self.BaseType;
FRange := Self.Range;
FSmall := Self.Small;
FGapCount := Self.GapCount;
CopyHints(Self);
end;
end;
function TLapeType_Enum.NewGlobalVarStr(Str: UnicodeString; AName: lpString = ''; ADocPos: PDocPos = nil): TLapeGlobalVar;
begin
if (Str <> '') and (AnsiChar(Str[1]) in ['-', '0'..'9']) then
Result := NewGlobalVar(StrToInt64(string(Str)), AName, ADocPos)
else
Result := NewGlobalVar(FRange.Lo + FMemberMap.IndexOf(string(Str)), AName, ADocPos);
end;
function TLapeType_Enum.EvalAsSubType(Op: EOperator; Right: TLapeType): Boolean;
begin
if (Right = nil) then
Result := False
else if (op in CompareOperators + [op_Assign]) then
Result := Equals(Right)
else if (op in [op_Plus, op_Minus]) then
Result := Right.BaseType in LapeIntegerTypes
else
Result := False;
end;
function TLapeType_Enum.EvalRes(Op: EOperator; Right: TLapeType = nil; Flags: ELapeEvalFlags = []): TLapeType;
begin
Assert(FCompiler <> nil);
if EvalAsSubType(Op, Right) then
begin
Result := FCompiler.getBaseType(BaseIntType).EvalRes(Op, FCompiler.getBaseType(Right.BaseIntType), Flags);
if (Result <> nil) and (not (op in CompareOperators)) then
Result := Self;
end
else
Result := inherited;
end;
function TLapeType_Enum.EvalConst(Op: EOperator; Left, Right: TLapeGlobalVar; Flags: ELapeEvalFlags): TLapeGlobalVar;
var
tmpType: TLapeType;
tmpRes: TLapeGlobalVar;
begin
Assert(FCompiler <> nil);
Assert((Left = nil) or (Left.VarType = Self));
if (Right <> nil) and Right.HasType() and EvalAsSubType(Op, Right.VarType) then
try
tmpType := Right.VarType;
if (not IsOrdinal()) or (not Right.HasType()) or (not Right.VarType.IsOrdinal()) then
LapeException(lpeInvalidEvaluation);
Left.VarType := FCompiler.getBaseType(BaseIntType);
Right.VarType := FCompiler.getBaseType(Right.VarType.BaseIntType);
Result := Left.VarType.EvalConst(Op, Left, Right, Flags);
if Result.HasType() and (not (op in CompareOperators)) then
begin
if (Result.VarType.BaseIntType <> BaseIntType) then
try
tmpRes := Result;
Result := Left.VarType.EvalConst(op_Assign, Left.VarType.NewGlobalVarP(), tmpRes, []);
finally
FreeAndNil(tmpRes);
end;
Result.VarType := Self
end;
finally
Left.VarType := Self;
Right.VarType := tmpType;
end
else
Result := inherited;
end;
function TLapeType_Enum.Eval(Op: EOperator; var Dest: TResVar; Left, Right: TResVar; Flags: ELapeEvalFlags; var Offset: Integer; Pos: PDocPos = nil): TResVar;
var
tmpRes: TResVar;
begin
Assert(FCompiler <> nil);
Assert(Left.VarType = Self);
if Right.HasType() and EvalAsSubType(Op, Right.VarType) then
begin
if (not IsOrdinal()) or (not Right.HasType()) or (not Right.VarType.IsOrdinal()) then
LapeException(lpeInvalidEvaluation);
Left.VarType := FCompiler.getBaseType(BaseIntType);
Right.VarType := FCompiler.getBaseType(Right.VarType.BaseIntType);
if Dest.HasType() and Equals(Dest.VarType) then
Dest.VarType := Left.VarType;
Result := Left.VarType.Eval(Op, Dest, Left, Right, Flags, Offset, Pos);
if Result.HasType() and (not (op in CompareOperators)) then
begin
if (Result.VarType.BaseIntType <> BaseIntType) then
begin
tmpRes := Result;
Result := NullResVar;
Result.VarType := Left.VarType;
FCompiler.getDestVar(Dest, Result, Op);
Result := Left.VarType.Eval(op_Assign, Dest, Result, tmpRes, [], Offset, Pos);
tmpRes.Spill(1);
end;
Result.VarType := Self;
end;
end
else
Result := inherited;
end;
constructor TLapeType_Boolean.Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil);
begin
inherited Create(ACompiler, nil, False, AName, ADocPos);
addMember('False');
addMember('True');
FBaseType := ltBoolean;
end;
function TLapeType_Boolean.NewGlobalVar(Value: Int64 = 0; AName: lpString = ''; ADocPos: PDocPos = nil): TLapeGlobalVar;
begin
if (Value <> 0) then
Value := FRange.Hi;
Result := inherited;
end;
function TLapeType_Boolean.EvalAsSubType(Op: EOperator; Right: TLapeType): Boolean;
begin
if (op in [op_Plus, op_Minus]) then
Result := inherited
else
Result := False;
end;
constructor TLapeType_Bool.Create(ACompiler: TLapeCompilerBase; AName: lpString = ''; ADocPos: PDocPos = nil);
begin
inherited Create(NullRange, ACompiler, ACompiler.getBaseType(ltBoolean).CreateCopy(), AName, ADocPos);
end;
destructor TLapeType_Bool.Destroy;
begin
FVarType.Free();
inherited;
end;
function TLapeType_Bool.CreateCopy(DeepCopy: Boolean = False): TLapeType;
type
TLapeClassType = class of TLapeType_Bool;
begin
Result := TLapeClassType(Self.ClassType).Create(FCompiler, Name, @_DocPos);
with TLapeType_Bool(Result) do
begin
inheritManagedDecls(Self, not DeepCopy);
TypeID := Self.TypeID;
FBaseType := Self.BaseType;
FRange := Self.Range;
TLapeType_Boolean(FVarType).FSize := Self.VarType.Size;
CopyHints(Self);
end;
end;
function TLapeType_Bool.NewGlobalVar(Value: Int64 = 0; AName: lpString = ''; ADocPos: PDocPos = nil): TLapeGlobalVar;
begin
if (Value <> 0) then
Value := FRange.Hi;
Result := inherited;
end;
function TLapeType_Bool.EvalRes(Op: EOperator; Right: TLapeType = nil; Flags: ELapeEvalFlags = []): TLapeType;
begin
Result := inherited;
if (Result = nil) then
begin
if Equals(Right, False) then
Right := FVarType;
Result := FVarType.EvalRes(Op, Right, Flags);
if (Result = FVarType) then
Result := Self;
end;
end;
function TLapeType_Bool.EvalConst(Op: EOperator; Left, Right: TLapeGlobalVar; Flags: ELapeEvalFlags): TLapeGlobalVar;
var
Res, tmpType: TLapeType;
begin
Assert(Left.VarType = Self);
if (Right = nil) or (not Right.HasType()) then
Res := inherited EvalRes(Op, TLapeType(nil), Flags)
else
Res := inherited EvalRes(Op, Right.VarType, Flags);
if (Res <> nil) then
Result := inherited
else
begin
Left.VarType := FVarType;
if (Right <> nil) and Right.HasType() and Equals(Right.VarType) then
begin
tmpType := Right.VarType;
Right.VarType := FVarType;
end
else
tmpType := nil;
try
Result := FVarType.EvalConst(Op, Left, Right, Flags);
if (Result.VarType = FVarType) then
Result.VarType := Self;
finally
Left.VarType := Self;
if (tmpType <> nil) then
Right.VarType := tmpType;
end;
end;
end;
function TLapeType_Bool.Eval(Op: EOperator; var Dest: TResVar; Left, Right: TResVar; Flags: ELapeEvalFlags; var Offset: Integer; Pos: PDocPos = nil): TResVar;
var
Res: TLapeType;
begin
Assert(Left.VarType = Self);
Res := inherited EvalRes(Op, Right.VarType, Flags);
if (Res <> nil) then
Result := inherited
else
begin
Left.VarType := FVarType;
if Right.HasType() and Equals(Right.VarType) then
Right.VarType := FVarType;
Result := FVarType.Eval(Op, Dest, Left, Right, Flags, Offset, Pos);
if (Result.VarType = FVarType) then
Result.VarType := Self;
end;