forked from Mirrors/openclonk
86 lines
2.5 KiB
C++
86 lines
2.5 KiB
C++
/*
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* OpenClonk, http://www.openclonk.org
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*
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* Copyright (c) 2001-2009, RedWolf Design GmbH, http://www.clonk.de/
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* Copyright (c) 2009-2016, The OpenClonk Team and contributors
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*
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* Distributed under the terms of the ISC license; see accompanying file
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* "COPYING" for details.
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*
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* "Clonk" is a registered trademark of Matthes Bender, used with permission.
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* See accompanying file "TRADEMARK" for details.
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*
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* To redistribute this file separately, substitute the full license texts
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* for the above references.
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*/
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#ifndef INC_C4AulFunc
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#define INC_C4AulFunc
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#ifndef INC_C4Value
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#error Include C4Value.h instead of C4AulFunc.h
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#endif
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#include "script/C4StringTable.h"
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#define C4AUL_MAX_Par 10 // max number of parameters
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struct C4AulParSet
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{
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C4Value Par[C4AUL_MAX_Par];
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template<class ...T> explicit C4AulParSet(T&& ...pars):
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Par {C4Value(std::forward<T>(pars))...}
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{
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}
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void Copy(const C4Value * Pars, int ParCount)
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{
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for (int i = 0; i < ParCount; ++i)
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Par[i].Set(Pars[i]);
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}
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C4Value & operator[](int iIdx) { return Par[iIdx]; }
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C4AulParSet * operator&() { return this; }
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};
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// base function class
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class C4AulFunc: public C4RefCnt
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{
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friend class C4AulScriptEngine;
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friend class C4AulFuncMap;
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friend class C4AulParse;
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friend class C4ScriptHost;
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public:
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C4AulFunc(C4PropListStatic * Parent, const char *pName);
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C4PropListStatic * Parent;
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const char * GetName() const { return Name ? Name->GetCStr() : nullptr; }
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virtual StdStrBuf GetFullName() const; // get a fully classified name (C4ID::Name) for debug output
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protected:
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C4RefCntPointer<C4String> Name; // function name
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C4AulFunc *MapNext; // map member
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~C4AulFunc() override;
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public:
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virtual C4AulScriptFunc *SFunc() { return nullptr; } // type check func...
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// Wether this function should be visible to players
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virtual bool GetPublic() const { return false; }
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virtual int GetParCount() const { return C4AUL_MAX_Par; }
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virtual const C4V_Type* GetParType() const = 0;
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virtual C4V_Type GetRetType() const = 0;
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C4Value Exec(C4PropList * p = nullptr, C4AulParSet *pPars = nullptr, bool fPassErrors=false)
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{
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// Every parameter type allows conversion from nil, so no parameters are always allowed
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if (!pPars)
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return Exec(p, C4AulParSet().Par, fPassErrors);
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if (!CheckParTypes(pPars->Par, fPassErrors)) return C4Value();
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return Exec(p, pPars->Par, fPassErrors);
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}
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virtual C4Value Exec(C4PropList * p, C4Value pPars[], bool fPassErrors=false) = 0;
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bool CheckParTypes(const C4Value pPars[], bool fPassErrors) const;
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};
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#endif
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