2008-10-18 17:17:44 +00:00
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#ifndef THINGDEF_EXP_H
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#define THINGDEF_EXP_H
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/*
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** thingdef_exp.h
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**
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** Expression evaluation
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**
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**---------------------------------------------------------------------------
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** Copyright 2008 Christoph Oelckers
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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** 4. When not used as part of ZDoom or a ZDoom derivative, this code will be
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** covered by the terms of the GNU General Public License as published by
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** the Free Software Foundation; either version 2 of the License, or (at
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** your option) any later version.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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#include "m_random.h"
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#define CHECKRESOLVED() if (isresolved) return this; isresolved=true;
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#define SAFE_DELETE(p) if (p!=NULL) { delete p; p=NULL; }
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#define RESOLVE(p,c) if (p!=NULL) p = p->Resolve(c)
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#define ABORT(p) if (!(p)) { delete this; return NULL; }
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#define SAFE_RESOLVE(p,c) RESOLVE(p,c); ABORT(p)
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2008-10-19 21:43:36 +00:00
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extern PSymbolTable GlobalSymbols;
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2008-10-18 17:17:44 +00:00
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//==========================================================================
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//
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//
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//
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//==========================================================================
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struct FCompileContext
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{
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const PClass *cls;
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2008-10-19 21:43:36 +00:00
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bool lax;
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2008-10-25 17:38:00 +00:00
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bool isconst;
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2008-10-19 21:43:36 +00:00
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2008-12-29 23:03:38 +00:00
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FCompileContext(const PClass *_cls = NULL, bool _lax = false, bool _isconst = false)
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{
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cls = _cls;
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lax = _lax;
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isconst = _isconst;
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}
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2008-10-19 21:43:36 +00:00
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PSymbol *FindInClass(FName identifier)
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{
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return cls? cls->Symbols.FindSymbol(identifier, true) : NULL;
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}
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PSymbol *FindGlobal(FName identifier)
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{
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return GlobalSymbols.FindSymbol(identifier, true);
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}
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2008-10-18 17:17:44 +00:00
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};
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//==========================================================================
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//
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//
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//
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//==========================================================================
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struct ExpVal
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{
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ExpValType Type;
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union
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{
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int Int;
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double Float;
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2008-10-19 21:43:36 +00:00
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void *pointer;
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2008-10-18 17:17:44 +00:00
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};
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2008-10-25 17:38:00 +00:00
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int GetInt() const
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{
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return Type == VAL_Int? Int : Type == VAL_Float? int(Float) : 0;
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}
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2008-10-25 17:38:00 +00:00
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double GetFloat() const
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2008-10-18 17:17:44 +00:00
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{
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return Type == VAL_Int? double(Int) : Type == VAL_Float? Float : 0;
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}
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2008-10-25 17:38:00 +00:00
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bool GetBool() const
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2008-10-18 17:17:44 +00:00
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{
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2008-10-25 17:38:00 +00:00
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return (Type == VAL_Int || Type == VAL_Sound) ? !!Int : Type == VAL_Float? Float!=0. : false;
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2008-10-18 17:17:44 +00:00
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}
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2008-10-19 21:43:36 +00:00
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2008-10-25 17:38:00 +00:00
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template<class T> T *GetPointer() const
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2008-10-19 21:43:36 +00:00
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{
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return Type == VAL_Object || Type == VAL_Pointer? (T*)pointer : NULL;
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}
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2008-10-18 17:17:44 +00:00
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2008-10-25 17:38:00 +00:00
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FSoundID GetSoundID() const
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{
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return Type == VAL_Sound? Int : 0;
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}
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int GetColor() const
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{
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return Type == VAL_Color? Int : 0;
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}
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FName GetName() const
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{
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return Type == VAL_Name? ENamedName(Int) : NAME_None;
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}
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FState *GetState() const
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{
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return Type == VAL_State? (FState*)pointer : NULL;
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}
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const PClass *GetClass() const
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{
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return Type == VAL_Class? (const PClass *)pointer : NULL;
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}
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2008-10-18 17:17:44 +00:00
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};
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//==========================================================================
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//
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//
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//
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//==========================================================================
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2008-10-25 17:38:00 +00:00
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class FxExpression
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2008-10-18 17:17:44 +00:00
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{
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protected:
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FxExpression(const FScriptPosition &pos)
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{
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isresolved = false;
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ScriptPosition = pos;
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}
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public:
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virtual ~FxExpression() {}
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2008-10-18 17:17:44 +00:00
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virtual FxExpression *Resolve(FCompileContext &ctx);
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2008-10-25 17:38:00 +00:00
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FxExpression *ResolveAsBoolean(FCompileContext &ctx);
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2008-10-18 17:17:44 +00:00
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2008-10-19 21:43:36 +00:00
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virtual ExpVal EvalExpression (AActor *self);
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virtual bool isConstant() const;
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2008-10-19 21:43:36 +00:00
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virtual void RequestAddress();
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2008-10-18 17:17:44 +00:00
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FScriptPosition ScriptPosition;
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2008-10-19 21:43:36 +00:00
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FExpressionType ValueType;
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2008-10-25 17:38:00 +00:00
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2008-10-18 17:17:44 +00:00
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bool isresolved;
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};
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//==========================================================================
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//
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2008-10-18 20:41:51 +00:00
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// FxIdentifier
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//
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//==========================================================================
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class FxIdentifier : public FxExpression
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{
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FName Identifier;
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public:
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FxIdentifier(FName i, const FScriptPosition &p);
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FxExpression *Resolve(FCompileContext&);
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};
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//==========================================================================
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//
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// FxDotIdentifier
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//
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//==========================================================================
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class FxDotIdentifier : public FxExpression
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{
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FxExpression *container;
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FName Identifier;
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public:
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FxDotIdentifier(FxExpression*, FName, const FScriptPosition &);
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~FxDotIdentifier();
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FxExpression *Resolve(FCompileContext&);
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};
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//==========================================================================
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//
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// FxClassDefaults
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//
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//==========================================================================
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class FxClassDefaults : public FxExpression
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{
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FxExpression *obj;
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public:
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FxClassDefaults(FxExpression*, const FScriptPosition &);
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~FxClassDefaults();
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FxExpression *Resolve(FCompileContext&);
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bool IsDefaultObject() const;
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};
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//==========================================================================
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//
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// FxConstant
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2008-10-18 17:17:44 +00:00
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//
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//==========================================================================
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class FxConstant : public FxExpression
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{
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ExpVal value;
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public:
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FxConstant(int val, const FScriptPosition &pos) : FxExpression(pos)
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{
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ValueType = value.Type = VAL_Int;
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value.Int = val;
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2008-10-25 17:38:00 +00:00
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isresolved = true;
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2008-10-18 17:17:44 +00:00
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}
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FxConstant(double val, const FScriptPosition &pos) : FxExpression(pos)
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{
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ValueType = value.Type = VAL_Float;
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value.Float = val;
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2008-10-25 17:38:00 +00:00
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isresolved = true;
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}
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FxConstant(FSoundID val, const FScriptPosition &pos) : FxExpression(pos)
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{
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ValueType = value.Type = VAL_Sound;
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value.Int = val;
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isresolved = true;
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}
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FxConstant(FName val, const FScriptPosition &pos) : FxExpression(pos)
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{
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ValueType = value.Type = VAL_Name;
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value.Int = val;
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isresolved = true;
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2008-10-18 17:17:44 +00:00
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}
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FxConstant(ExpVal cv, const FScriptPosition &pos) : FxExpression(pos)
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{
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value = cv;
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ValueType = cv.Type;
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2008-10-25 17:38:00 +00:00
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isresolved = true;
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}
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FxConstant(const PClass *val, const FScriptPosition &pos) : FxExpression(pos)
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{
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value.pointer = (void*)val;
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ValueType = val;
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value.Type = VAL_Class;
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isresolved = true;
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}
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FxConstant(FState *state, const FScriptPosition &pos) : FxExpression(pos)
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{
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value.pointer = state;
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ValueType = value.Type = VAL_State;
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isresolved = true;
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2008-10-18 17:17:44 +00:00
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}
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2008-10-19 21:43:36 +00:00
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static FxExpression *MakeConstant(PSymbol *sym, const FScriptPosition &pos);
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2008-10-18 17:17:44 +00:00
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bool isConstant() const
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{
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return true;
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}
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2008-10-19 21:43:36 +00:00
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ExpVal EvalExpression (AActor *self);
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2008-10-18 17:17:44 +00:00
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};
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//==========================================================================
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//
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//
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//
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//==========================================================================
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class FxIntCast : public FxExpression
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{
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FxExpression *basex;
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public:
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FxIntCast(FxExpression *x);
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~FxIntCast();
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FxExpression *Resolve(FCompileContext&);
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2008-10-19 21:43:36 +00:00
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ExpVal EvalExpression (AActor *self);
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2008-10-18 17:17:44 +00:00
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};
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//==========================================================================
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//
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// FxSign
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//
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//==========================================================================
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class FxPlusSign : public FxExpression
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{
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FxExpression *Operand;
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public:
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FxPlusSign(FxExpression*);
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~FxPlusSign();
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FxExpression *Resolve(FCompileContext&);
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};
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//==========================================================================
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//
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// FxSign
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//
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//==========================================================================
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class FxMinusSign : public FxExpression
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{
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FxExpression *Operand;
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public:
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FxMinusSign(FxExpression*);
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~FxMinusSign();
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FxExpression *Resolve(FCompileContext&);
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2008-10-19 21:43:36 +00:00
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ExpVal EvalExpression (AActor *self);
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2008-10-18 17:17:44 +00:00
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};
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//==========================================================================
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//
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// FxUnaryNot
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//
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//==========================================================================
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class FxUnaryNotBitwise : public FxExpression
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{
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FxExpression *Operand;
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public:
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FxUnaryNotBitwise(FxExpression*);
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~FxUnaryNotBitwise();
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FxExpression *Resolve(FCompileContext&);
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2008-10-19 21:43:36 +00:00
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ExpVal EvalExpression (AActor *self);
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2008-10-18 17:17:44 +00:00
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};
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//==========================================================================
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//
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// FxUnaryNot
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//
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//==========================================================================
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class FxUnaryNotBoolean : public FxExpression
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{
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FxExpression *Operand;
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public:
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FxUnaryNotBoolean(FxExpression*);
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~FxUnaryNotBoolean();
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FxExpression *Resolve(FCompileContext&);
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2008-10-19 21:43:36 +00:00
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ExpVal EvalExpression (AActor *self);
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2008-10-18 17:17:44 +00:00
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};
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//==========================================================================
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//
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|
|
// FxBinary
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
class FxBinary : public FxExpression
|
|
|
|
{
|
|
|
|
public:
|
|
|
|
int Operator;
|
|
|
|
FxExpression *left;
|
|
|
|
FxExpression *right;
|
|
|
|
|
|
|
|
FxBinary(int, FxExpression*, FxExpression*);
|
|
|
|
~FxBinary();
|
|
|
|
bool ResolveLR(FCompileContext& ctx, bool castnumeric);
|
|
|
|
};
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
// FxBinary
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
class FxAddSub : public FxBinary
|
|
|
|
{
|
|
|
|
public:
|
|
|
|
|
|
|
|
FxAddSub(int, FxExpression*, FxExpression*);
|
|
|
|
FxExpression *Resolve(FCompileContext&);
|
2008-10-19 21:43:36 +00:00
|
|
|
ExpVal EvalExpression (AActor *self);
|
2008-10-18 17:17:44 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
// FxBinary
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
class FxMulDiv : public FxBinary
|
|
|
|
{
|
|
|
|
public:
|
|
|
|
|
|
|
|
FxMulDiv(int, FxExpression*, FxExpression*);
|
|
|
|
FxExpression *Resolve(FCompileContext&);
|
2008-10-19 21:43:36 +00:00
|
|
|
ExpVal EvalExpression (AActor *self);
|
2008-10-18 17:17:44 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
// FxBinary
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
class FxCompareRel : public FxBinary
|
|
|
|
{
|
|
|
|
public:
|
|
|
|
|
|
|
|
FxCompareRel(int, FxExpression*, FxExpression*);
|
|
|
|
FxExpression *Resolve(FCompileContext&);
|
2008-10-19 21:43:36 +00:00
|
|
|
ExpVal EvalExpression (AActor *self);
|
2008-10-18 17:17:44 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
// FxBinary
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
class FxCompareEq : public FxBinary
|
|
|
|
{
|
|
|
|
public:
|
|
|
|
|
|
|
|
FxCompareEq(int, FxExpression*, FxExpression*);
|
|
|
|
FxExpression *Resolve(FCompileContext&);
|
2008-10-19 21:43:36 +00:00
|
|
|
ExpVal EvalExpression (AActor *self);
|
2008-10-18 17:17:44 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
// FxBinary
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
class FxBinaryInt : public FxBinary
|
|
|
|
{
|
|
|
|
public:
|
|
|
|
|
|
|
|
FxBinaryInt(int, FxExpression*, FxExpression*);
|
|
|
|
FxExpression *Resolve(FCompileContext&);
|
2008-10-19 21:43:36 +00:00
|
|
|
ExpVal EvalExpression (AActor *self);
|
2008-10-18 17:17:44 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
// FxBinaryLogical
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
class FxBinaryLogical : public FxExpression
|
|
|
|
{
|
|
|
|
public:
|
|
|
|
int Operator;
|
|
|
|
FxExpression *left;
|
|
|
|
FxExpression *right;
|
|
|
|
|
|
|
|
FxBinaryLogical(int, FxExpression*, FxExpression*);
|
|
|
|
~FxBinaryLogical();
|
|
|
|
FxExpression *Resolve(FCompileContext&);
|
|
|
|
|
2008-10-19 21:43:36 +00:00
|
|
|
ExpVal EvalExpression (AActor *self);
|
2008-10-18 17:17:44 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
// FxConditional
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
class FxConditional : public FxExpression
|
|
|
|
{
|
|
|
|
public:
|
|
|
|
FxExpression *condition;
|
|
|
|
FxExpression *truex;
|
|
|
|
FxExpression *falsex;
|
|
|
|
|
|
|
|
FxConditional(FxExpression*, FxExpression*, FxExpression*);
|
|
|
|
~FxConditional();
|
|
|
|
FxExpression *Resolve(FCompileContext&);
|
|
|
|
|
2008-10-19 21:43:36 +00:00
|
|
|
ExpVal EvalExpression (AActor *self);
|
2008-10-18 17:17:44 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
class FxAbs : public FxExpression
|
|
|
|
{
|
|
|
|
FxExpression *val;
|
|
|
|
|
|
|
|
public:
|
|
|
|
|
|
|
|
FxAbs(FxExpression *v);
|
|
|
|
~FxAbs();
|
|
|
|
FxExpression *Resolve(FCompileContext&);
|
|
|
|
|
2008-10-19 21:43:36 +00:00
|
|
|
ExpVal EvalExpression (AActor *self);
|
2008-10-18 17:17:44 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
class FxRandom : public FxExpression
|
|
|
|
{
|
2009-09-06 02:16:55 +00:00
|
|
|
protected:
|
2008-10-18 17:17:44 +00:00
|
|
|
FRandom * rng;
|
|
|
|
FxExpression *min, *max;
|
|
|
|
|
|
|
|
public:
|
|
|
|
|
|
|
|
FxRandom(FRandom *, FxExpression *mi, FxExpression *ma, const FScriptPosition &pos);
|
|
|
|
~FxRandom();
|
|
|
|
FxExpression *Resolve(FCompileContext&);
|
|
|
|
|
2008-10-19 21:43:36 +00:00
|
|
|
ExpVal EvalExpression (AActor *self);
|
2008-10-18 17:17:44 +00:00
|
|
|
};
|
|
|
|
|
2009-09-06 02:16:55 +00:00
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
2008-10-18 17:17:44 +00:00
|
|
|
|
2014-12-13 21:59:27 +00:00
|
|
|
class FxPick : public FxExpression
|
2014-12-13 21:08:18 +00:00
|
|
|
{
|
|
|
|
protected:
|
|
|
|
FRandom * rng;
|
2014-12-14 11:03:55 +00:00
|
|
|
TDeletingArray<FxExpression*> min;
|
2014-12-13 21:08:18 +00:00
|
|
|
|
|
|
|
public:
|
|
|
|
|
2014-12-14 10:45:39 +00:00
|
|
|
FxPick(FRandom *, TArray<FxExpression*> mi, const FScriptPosition &pos);
|
2014-12-13 21:59:27 +00:00
|
|
|
~FxPick();
|
2014-12-13 21:08:18 +00:00
|
|
|
FxExpression *Resolve(FCompileContext&);
|
|
|
|
|
|
|
|
ExpVal EvalExpression(AActor *self);
|
|
|
|
};
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
2009-09-06 02:16:55 +00:00
|
|
|
class FxFRandom : public FxRandom
|
|
|
|
{
|
|
|
|
public:
|
|
|
|
FxFRandom(FRandom *, FxExpression *mi, FxExpression *ma, const FScriptPosition &pos);
|
|
|
|
ExpVal EvalExpression (AActor *self);
|
|
|
|
};
|
2008-10-18 17:17:44 +00:00
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
class FxRandom2 : public FxExpression
|
|
|
|
{
|
|
|
|
FRandom * rng;
|
|
|
|
FxExpression *mask;
|
|
|
|
|
|
|
|
public:
|
|
|
|
|
|
|
|
FxRandom2(FRandom *, FxExpression *m, const FScriptPosition &pos);
|
|
|
|
~FxRandom2();
|
|
|
|
FxExpression *Resolve(FCompileContext&);
|
|
|
|
|
2008-10-19 21:43:36 +00:00
|
|
|
ExpVal EvalExpression (AActor *self);
|
2008-10-18 17:17:44 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
|
2008-10-19 21:43:36 +00:00
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
// FxGlobalVariable
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
class FxGlobalVariable : public FxExpression
|
|
|
|
{
|
|
|
|
public:
|
|
|
|
PSymbolVariable *var;
|
|
|
|
bool AddressRequested;
|
|
|
|
|
|
|
|
FxGlobalVariable(PSymbolVariable*, const FScriptPosition&);
|
|
|
|
FxExpression *Resolve(FCompileContext&);
|
|
|
|
void RequestAddress();
|
|
|
|
ExpVal EvalExpression (AActor *self);
|
|
|
|
};
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
// FxClassMember
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
class FxClassMember : public FxExpression
|
|
|
|
{
|
|
|
|
public:
|
|
|
|
FxExpression *classx;
|
|
|
|
PSymbolVariable *membervar;
|
|
|
|
bool AddressRequested;
|
|
|
|
|
|
|
|
FxClassMember(FxExpression*, PSymbolVariable*, const FScriptPosition&);
|
|
|
|
~FxClassMember();
|
|
|
|
FxExpression *Resolve(FCompileContext&);
|
|
|
|
void RequestAddress();
|
|
|
|
ExpVal EvalExpression (AActor *self);
|
|
|
|
};
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
// FxSelf
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
class FxSelf : public FxExpression
|
|
|
|
{
|
|
|
|
public:
|
|
|
|
FxSelf(const FScriptPosition&);
|
|
|
|
FxExpression *Resolve(FCompileContext&);
|
|
|
|
ExpVal EvalExpression (AActor *self);
|
|
|
|
};
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
// FxArrayElement
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
class FxArrayElement : public FxExpression
|
|
|
|
{
|
|
|
|
public:
|
|
|
|
FxExpression *Array;
|
|
|
|
FxExpression *index;
|
|
|
|
//bool AddressRequested;
|
|
|
|
|
|
|
|
FxArrayElement(FxExpression*, FxExpression*);
|
|
|
|
~FxArrayElement();
|
|
|
|
FxExpression *Resolve(FCompileContext&);
|
|
|
|
//void RequestAddress();
|
|
|
|
ExpVal EvalExpression (AActor *self);
|
|
|
|
};
|
|
|
|
|
|
|
|
|
2008-10-21 18:10:50 +00:00
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
// FxFunctionCall
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
typedef TDeletingArray<FxExpression*> FArgumentList;
|
|
|
|
|
|
|
|
class FxFunctionCall : public FxExpression
|
|
|
|
{
|
|
|
|
FxExpression *Self;
|
|
|
|
FName MethodName;
|
|
|
|
FArgumentList *ArgList;
|
|
|
|
|
|
|
|
public:
|
|
|
|
|
|
|
|
FxFunctionCall(FxExpression *self, FName methodname, FArgumentList *args, const FScriptPosition &pos);
|
|
|
|
~FxFunctionCall();
|
|
|
|
FxExpression *Resolve(FCompileContext&);
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
// FxActionSpecialCall
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
class FxActionSpecialCall : public FxExpression
|
|
|
|
{
|
|
|
|
FxExpression *Self;
|
|
|
|
int Special;
|
|
|
|
FArgumentList *ArgList;
|
|
|
|
|
|
|
|
public:
|
|
|
|
|
|
|
|
FxActionSpecialCall(FxExpression *self, int special, FArgumentList *args, const FScriptPosition &pos);
|
|
|
|
~FxActionSpecialCall();
|
|
|
|
FxExpression *Resolve(FCompileContext&);
|
|
|
|
ExpVal EvalExpression (AActor *self);
|
|
|
|
};
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
// FxGlobalFunctionCall
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
class FxGlobalFunctionCall : public FxExpression
|
|
|
|
{
|
2012-04-22 08:17:27 +00:00
|
|
|
public:
|
|
|
|
typedef FxExpression *(*Creator)(FName, FArgumentList *, const FScriptPosition &);
|
|
|
|
struct CreatorAdder
|
|
|
|
{
|
|
|
|
CreatorAdder(FName methodname, Creator creator)
|
|
|
|
{
|
|
|
|
FxGlobalFunctionCall::AddCreator(methodname, creator);
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
static void AddCreator(FName methodname, Creator creator);
|
|
|
|
static FxExpression *StaticCreate(FName methodname, FArgumentList *args, const FScriptPosition &pos);
|
|
|
|
|
|
|
|
protected:
|
2008-10-21 18:10:50 +00:00
|
|
|
FName Name;
|
|
|
|
FArgumentList *ArgList;
|
|
|
|
|
|
|
|
FxGlobalFunctionCall(FName fname, FArgumentList *args, const FScriptPosition &pos);
|
|
|
|
~FxGlobalFunctionCall();
|
2012-04-22 08:17:27 +00:00
|
|
|
|
|
|
|
FxExpression *ResolveArgs(FCompileContext &, unsigned min, unsigned max, bool numeric);
|
2008-10-21 18:10:50 +00:00
|
|
|
};
|
|
|
|
|
2012-04-22 08:17:27 +00:00
|
|
|
#define GLOBALFUNCTION_DEFINE(CLASS) \
|
|
|
|
FxGlobalFunctionCall_##CLASS(FName methodname, FArgumentList *args, const FScriptPosition &pos) \
|
|
|
|
: FxGlobalFunctionCall(methodname, args, pos) {} \
|
|
|
|
static FxExpression *StaticCreate(FName methodname, FArgumentList *args, const FScriptPosition &pos) \
|
|
|
|
{return new FxGlobalFunctionCall_##CLASS(methodname, args, pos);}
|
|
|
|
|
|
|
|
#define GLOBALFUNCTION_ADDER(CLASS) GLOBALFUNCTION_ADDER_NAMED(CLASS, CLASS)
|
|
|
|
|
|
|
|
#define GLOBALFUNCTION_ADDER_NAMED(CLASS,NAME) \
|
|
|
|
static FxGlobalFunctionCall::CreatorAdder FxGlobalFunctionCall_##NAME##Adder \
|
|
|
|
(NAME_##NAME, FxGlobalFunctionCall_##CLASS::StaticCreate)
|
|
|
|
|
2008-10-21 18:10:50 +00:00
|
|
|
|
2008-10-25 17:38:00 +00:00
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
class FxClassTypeCast : public FxExpression
|
|
|
|
{
|
|
|
|
const PClass *desttype;
|
|
|
|
FxExpression *basex;
|
|
|
|
|
|
|
|
public:
|
|
|
|
|
|
|
|
FxClassTypeCast(const PClass *dtype, FxExpression *x);
|
|
|
|
~FxClassTypeCast();
|
|
|
|
FxExpression *Resolve(FCompileContext&);
|
|
|
|
ExpVal EvalExpression (AActor *self);
|
|
|
|
};
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
// Only used to resolve the old jump by index feature of DECORATE
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//
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//==========================================================================
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class FxStateByIndex : public FxExpression
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{
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int index;
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public:
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FxStateByIndex(int i, const FScriptPosition &pos) : FxExpression(pos)
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{
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index = i;
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}
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FxExpression *Resolve(FCompileContext&);
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};
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//==========================================================================
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//
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//
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//
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//==========================================================================
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class FxMultiNameState : public FxExpression
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{
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const PClass *scope;
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TArray<FName> names;
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public:
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FxMultiNameState(const char *statestring, const FScriptPosition &pos);
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FxExpression *Resolve(FCompileContext&);
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ExpVal EvalExpression (AActor *self);
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};
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2008-10-19 21:43:36 +00:00
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2008-10-18 17:17:44 +00:00
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FxExpression *ParseExpression (FScanner &sc, PClass *cls);
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2008-10-18 20:41:51 +00:00
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#endif
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