162 lines
5.1 KiB
C++
162 lines
5.1 KiB
C++
/*
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AngelCode Scripting Library
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Copyright (c) 2003-2016 Andreas Jonsson
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any
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damages arising from the use of this software.
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Permission is granted to anyone to use this software for any
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purpose, including commercial applications, and to alter it and
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redistribute it freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you
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must not claim that you wrote the original software. If you use
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this software in a product, an acknowledgment in the product
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documentation would be appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and
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must not be misrepresented as being the original software.
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3. This notice may not be removed or altered from any source
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distribution.
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The original version of this library can be located at:
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http://www.angelcode.com/angelscript/
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Andreas Jonsson
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andreas@angelcode.com
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*/
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//
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// as_datatype.h
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//
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// This class describes the datatype for expressions during compilation
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//
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#ifndef AS_DATATYPE_H
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#define AS_DATATYPE_H
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#include "as_tokendef.h"
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#include "as_string.h"
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BEGIN_AS_NAMESPACE
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struct asSTypeBehaviour;
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class asCScriptEngine;
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class asCTypeInfo;
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class asCScriptFunction;
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class asCModule;
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class asCObjectType;
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class asCEnumType;
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struct asSNameSpace;
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// TODO: refactor: Reference should not be part of the datatype. This should be stored separately, e.g. in asCExprValue
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// MakeReference, MakeReadOnly, IsReference, IsReadOnly should be removed
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class asCDataType
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{
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public:
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asCDataType();
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asCDataType(const asCDataType &);
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~asCDataType();
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bool IsValid() const;
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asCString Format(asSNameSpace *currNs, bool includeNamespace = false) const;
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static asCDataType CreatePrimitive(eTokenType tt, bool isConst);
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static asCDataType CreateType(asCTypeInfo *ti, bool isConst);
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static asCDataType CreateAuto(bool isConst);
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static asCDataType CreateObjectHandle(asCTypeInfo *ot, bool isConst);
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static asCDataType CreateNullHandle();
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int MakeHandle(bool b, bool acceptHandleForScope = false);
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int MakeArray(asCScriptEngine *engine, asCModule *requestingModule);
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int MakeReference(bool b);
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int MakeReadOnly(bool b);
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int MakeHandleToConst(bool b);
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void SetIfHandleThenConst(bool b) { ifHandleThenConst = b; }
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bool HasIfHandleThenConst() const { return ifHandleThenConst; }
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bool IsTemplate() const;
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bool IsScriptObject() const;
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bool IsPrimitive() const;
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bool IsMathType() const;
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bool IsObject() const;
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bool IsReference() const {return isReference;}
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bool IsAuto() const {return isAuto;}
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bool IsReadOnly() const;
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bool IsIntegerType() const;
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bool IsUnsignedType() const;
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bool IsFloatType() const;
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bool IsDoubleType() const;
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bool IsBooleanType() const;
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bool IsObjectHandle() const {return isObjectHandle;}
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bool IsHandleToAuto() const {return isAuto && isObjectHandle;}
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bool IsHandleToConst() const;
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bool IsArrayType() const;
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bool IsEnumType() const;
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bool IsAnyType() const {return tokenType == ttQuestion;}
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bool IsHandleToAsHandleType() const {return isHandleToAsHandleType;}
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bool IsAbstractClass() const;
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bool IsInterface() const;
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bool IsFuncdef() const;
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bool IsObjectConst() const;
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bool IsEqualExceptRef(const asCDataType &) const;
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bool IsEqualExceptRefAndConst(const asCDataType &) const;
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bool IsEqualExceptConst(const asCDataType &) const;
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bool IsNullHandle() const;
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bool SupportHandles() const;
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bool CanBeInstantiated() const;
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bool CanBeCopied() const;
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bool operator ==(const asCDataType &) const;
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bool operator !=(const asCDataType &) const;
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asCDataType GetSubType(asUINT subtypeIndex = 0) const;
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eTokenType GetTokenType() const {return tokenType;}
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asCTypeInfo *GetTypeInfo() const { return typeInfo; }
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int GetSizeOnStackDWords() const;
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int GetSizeInMemoryBytes() const;
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int GetSizeInMemoryDWords() const;
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#ifdef WIP_16BYTE_ALIGN
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int GetAlignment() const;
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#endif
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void SetTokenType(eTokenType tt) {tokenType = tt;}
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void SetTypeInfo(asCTypeInfo *ti) {typeInfo = ti;}
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asCDataType &operator =(const asCDataType &);
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asSTypeBehaviour *GetBehaviour() const;
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protected:
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// Base object type
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eTokenType tokenType;
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// Behaviour type
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asCTypeInfo *typeInfo;
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// Top level
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bool isReference:1;
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bool isReadOnly:1;
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bool isObjectHandle:1;
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bool isConstHandle:1;
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bool isAuto:1;
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bool isHandleToAsHandleType:1; // Used by the compiler to know how to initialize the object
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bool ifHandleThenConst:1; // Used when creating template instances to determine if a handle should be const or not
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char dummy:1;
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};
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END_AS_NAMESPACE
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#endif
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