56 lines
1.4 KiB
C++
56 lines
1.4 KiB
C++
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/*
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* Copyright (c) 2001-2006
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* DecisionSoft Limited. All rights reserved.
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* Copyright (c) 2004-2006
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* Progress Software Corporation. All rights reserved.
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* Copyright (c) 2004-2006
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* Oracle. All rights reserved.
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*
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* See the file LICENSE for redistribution information.
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*
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* $Id: XQCastableAs.hpp,v 1.8 2006/11/01 16:37:11 jpcs Exp $
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*/
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#ifndef _XQCASTABLEAS_HPP
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#define _XQCASTABLEAS_HPP
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#include <xqilla/framework/XQillaExport.hpp>
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#include <xqilla/ast/ASTNodeImpl.hpp>
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#include <xqilla/runtime/SingleResult.hpp>
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class SequenceType;
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class XQILLA_API XQCastableAs : public ASTNodeImpl
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{
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public:
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XQCastableAs(ASTNode* expr, SequenceType* exprType, XPath2MemoryManager* memMgr);
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virtual Result createResult(DynamicContext* context, int flags=0) const;
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virtual ASTNode* staticResolution(StaticContext *context);
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virtual ASTNode *staticTyping(StaticContext *context);
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const ASTNode *getExpression() const;
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const SequenceType *getSequenceType() const;
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void setExpression(ASTNode *item);
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protected:
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class CastableAsResult : public SingleResult
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{
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public:
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CastableAsResult(const XQCastableAs *di);
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Item::Ptr getSingleResult(DynamicContext *context) const;
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std::string asString(DynamicContext *context, int indent) const;
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private:
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const XQCastableAs *_di;
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};
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ASTNode* _expr;
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SequenceType* _exprType;
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};
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#endif // _XQCASTABLEAS_HPP
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