2016-03-01 15:47:10 +00:00
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/*
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** thingdef_expression.cpp
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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 <stdlib.h>
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#include "actor.h"
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#include "sc_man.h"
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#include "tarray.h"
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#include "templates.h"
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#include "cmdlib.h"
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#include "i_system.h"
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#include "m_random.h"
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#include "a_pickups.h"
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#include "thingdef.h"
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#include "p_lnspec.h"
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#include "doomstat.h"
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#include "thingdef_exp.h"
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#include "m_fixed.h"
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#include "vmbuilder.h"
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#include "v_text.h"
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2016-03-11 14:45:47 +00:00
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#include "math/cmath.h"
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2016-03-01 15:47:10 +00:00
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struct FLOP
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{
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ENamedName Name;
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int Flop;
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double (*Evaluate)(double);
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};
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// Decorate operates on degrees, so the evaluate functions need to convert
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// degrees to radians for those that work with angles.
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static const FLOP FxFlops[] =
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{
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2016-03-11 14:45:47 +00:00
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{ NAME_Exp, FLOP_EXP, [](double v) { return g_exp(v); } },
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{ NAME_Log, FLOP_LOG, [](double v) { return g_log(v); } },
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{ NAME_Log10, FLOP_LOG10, [](double v) { return g_log10(v); } },
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{ NAME_Sqrt, FLOP_SQRT, [](double v) { return g_sqrt(v); } },
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2016-03-01 15:47:10 +00:00
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{ NAME_Ceil, FLOP_CEIL, [](double v) { return ceil(v); } },
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{ NAME_Floor, FLOP_FLOOR, [](double v) { return floor(v); } },
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2016-03-11 14:45:47 +00:00
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{ NAME_ACos, FLOP_ACOS_DEG, [](double v) { return g_acos(v) * (180.0 / M_PI); } },
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{ NAME_ASin, FLOP_ASIN_DEG, [](double v) { return g_asin(v) * (180.0 / M_PI); } },
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{ NAME_ATan, FLOP_ATAN_DEG, [](double v) { return g_atan(v) * (180.0 / M_PI); } },
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{ NAME_Cos, FLOP_COS_DEG, [](double v) { return g_cosdeg(v); } },
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{ NAME_Sin, FLOP_SIN_DEG, [](double v) { return g_sindeg(v); } },
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{ NAME_Tan, FLOP_TAN_DEG, [](double v) { return g_tan(v * (M_PI / 180.0)); } },
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2016-03-01 15:47:10 +00:00
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2016-03-11 14:45:47 +00:00
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{ NAME_CosH, FLOP_COSH, [](double v) { return g_cosh(v); } },
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{ NAME_SinH, FLOP_SINH, [](double v) { return g_sinh(v); } },
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{ NAME_TanH, FLOP_TANH, [](double v) { return g_tanh(v); } },
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2016-03-01 15:47:10 +00:00
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};
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ExpEmit::ExpEmit(VMFunctionBuilder *build, int type)
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: RegNum(build->Registers[type].Get(1)), RegType(type), Konst(false), Fixed(false)
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{
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}
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void ExpEmit::Free(VMFunctionBuilder *build)
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{
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if (!Fixed && !Konst && RegType <= REGT_TYPE)
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{
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build->Registers[RegType].Return(RegNum, 1);
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}
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}
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void ExpEmit::Reuse(VMFunctionBuilder *build)
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{
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if (!Fixed && !Konst)
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{
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bool success = build->Registers[RegType].Reuse(RegNum);
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assert(success && "Attempt to reuse a register that is already in use");
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}
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}
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//==========================================================================
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//
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// FindDecorateBuiltinFunction
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//
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// Returns the symbol for a decorate utility function. If not found, create
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// it and install it in Actor.
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//
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//==========================================================================
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static PSymbol *FindDecorateBuiltinFunction(FName funcname, VMNativeFunction::NativeCallType func)
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{
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PSymbol *sym = RUNTIME_CLASS(AActor)->Symbols.FindSymbol(funcname, false);
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if (sym == NULL)
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{
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PSymbolVMFunction *symfunc = new PSymbolVMFunction(funcname);
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VMNativeFunction *calldec = new VMNativeFunction(func, funcname);
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symfunc->Function = calldec;
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sym = symfunc;
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RUNTIME_CLASS(AActor)->Symbols.AddSymbol(sym);
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}
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return sym;
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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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ExpEmit FxExpression::Emit (VMFunctionBuilder *build)
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{
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ScriptPosition.Message(MSG_ERROR, "Unemitted expression found");
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return ExpEmit();
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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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bool FxExpression::isConstant() const
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{
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return false;
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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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VMFunction *FxExpression::GetDirectFunction()
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{
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return NULL;
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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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FxExpression *FxExpression::Resolve(FCompileContext &ctx)
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{
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isresolved = true;
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return this;
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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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FxExpression *FxExpression::ResolveAsBoolean(FCompileContext &ctx)
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{
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///FIXME: Use an actual boolean type
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FxExpression *x = Resolve(ctx);
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if (x != NULL)
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{
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if (x->ValueType->GetRegType() == REGT_INT)
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{
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x->ValueType = TypeSInt32;
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}
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else if (x->ValueType == TypeState)
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{
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x = new FxCastStateToBool(x);
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x = x->Resolve(ctx);
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}
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else
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{
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ScriptPosition.Message(MSG_ERROR, "Not an integral type");
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delete this;
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return NULL;
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}
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}
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return x;
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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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void FxExpression::RequestAddress()
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{
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ScriptPosition.Message(MSG_ERROR, "invalid dereference\n");
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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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static void EmitParameter(VMFunctionBuilder *build, FxExpression *operand, const FScriptPosition &pos)
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{
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ExpEmit where = operand->Emit(build);
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if (where.RegType == REGT_NIL)
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{
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pos.Message(MSG_ERROR, "Attempted to pass a non-value");
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build->Emit(OP_PARAM, 0, where.RegType, where.RegNum);
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}
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else
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{
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int regtype = where.RegType;
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if (where.Konst)
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{
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regtype |= REGT_KONST;
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}
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build->Emit(OP_PARAM, 0, regtype, where.RegNum);
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where.Free(build);
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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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//==========================================================================
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FxExpression *FxConstant::MakeConstant(PSymbol *sym, const FScriptPosition &pos)
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{
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FxExpression *x;
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PSymbolConstNumeric *csym = dyn_cast<PSymbolConstNumeric>(sym);
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if (csym != NULL)
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{
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if (csym->ValueType->IsA(RUNTIME_CLASS(PInt)))
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{
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x = new FxConstant(csym->Value, pos);
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}
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else if (csym->ValueType->IsA(RUNTIME_CLASS(PFloat)))
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{
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x = new FxConstant(csym->Float, pos);
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}
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else
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{
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pos.Message(MSG_ERROR, "Invalid constant '%s'\n", csym->SymbolName.GetChars());
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return NULL;
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}
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}
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else
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{
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pos.Message(MSG_ERROR, "'%s' is not a constant\n", sym->SymbolName.GetChars());
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x = NULL;
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}
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return x;
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}
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ExpEmit FxConstant::Emit(VMFunctionBuilder *build)
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{
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ExpEmit out;
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out.Konst = true;
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int regtype = value.Type->GetRegType();
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out.RegType = regtype;
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if (regtype == REGT_INT)
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{
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out.RegNum = build->GetConstantInt(value.Int);
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}
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else if (regtype == REGT_FLOAT)
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{
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out.RegNum = build->GetConstantFloat(value.Float);
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}
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else if (regtype == REGT_POINTER)
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{
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VM_ATAG tag = ATAG_GENERIC;
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if (value.Type == TypeState)
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{
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tag = ATAG_STATE;
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}
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else if (value.Type->GetLoadOp() == OP_LO)
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{
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tag = ATAG_OBJECT;
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}
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out.RegNum = build->GetConstantAddress(value.pointer, tag);
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}
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else if (regtype == REGT_STRING)
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{
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out.RegNum = build->GetConstantString(value.GetString());
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}
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else
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{
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ScriptPosition.Message(MSG_ERROR, "Cannot emit needed constant");
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out.RegNum = 0;
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}
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return out;
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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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FxIntCast::FxIntCast(FxExpression *x)
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: FxExpression(x->ScriptPosition)
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{
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basex=x;
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ValueType = TypeSInt32;
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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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FxIntCast::~FxIntCast()
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{
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SAFE_DELETE(basex);
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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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FxExpression *FxIntCast::Resolve(FCompileContext &ctx)
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{
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CHECKRESOLVED();
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SAFE_RESOLVE(basex, ctx);
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if (basex->ValueType->GetRegType() == REGT_INT)
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{
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2016-06-08 08:46:35 +00:00
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if (basex->ValueType != TypeName)
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{
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FxExpression *x = basex;
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basex = NULL;
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delete this;
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return x;
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}
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else
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{
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// Ugh. This should abort, but too many mods fell into this logic hole somewhere, so this seroious error needs to be reduced to a warning. :(
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2016-06-08 08:56:11 +00:00
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if (!basex->isConstant()) ScriptPosition.Message(MSG_OPTERROR, "Numeric type expected, got a name");
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else ScriptPosition.Message(MSG_OPTERROR, "Numeric type expected, got \"%s\"", static_cast<FxConstant*>(basex)->GetValue().GetName().GetChars());
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2016-06-08 08:46:35 +00:00
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FxExpression * x = new FxConstant(0, ScriptPosition);
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delete this;
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return x;
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}
|
2016-03-01 15:47:10 +00:00
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}
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else if (basex->ValueType->GetRegType() == REGT_FLOAT)
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{
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if (basex->isConstant())
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{
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ExpVal constval = static_cast<FxConstant *>(basex)->GetValue();
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FxExpression *x = new FxConstant(constval.GetInt(), ScriptPosition);
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|
|
delete this;
|
|
|
|
return x;
|
|
|
|
}
|
|
|
|
return this;
|
|
|
|
}
|
2016-06-08 08:46:35 +00:00
|
|
|
ScriptPosition.Message(MSG_ERROR, "Numeric type expected");
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
2016-03-01 15:47:10 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
ExpEmit FxIntCast::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
ExpEmit from = basex->Emit(build);
|
|
|
|
assert(!from.Konst);
|
|
|
|
assert(basex->ValueType->GetRegType() == REGT_FLOAT);
|
|
|
|
from.Free(build);
|
|
|
|
ExpEmit to(build, REGT_INT);
|
|
|
|
build->Emit(OP_CAST, to.RegNum, from.RegNum, CAST_F2I);
|
|
|
|
return to;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxFloatCast::FxFloatCast(FxExpression *x)
|
|
|
|
: FxExpression(x->ScriptPosition)
|
|
|
|
{
|
|
|
|
basex=x;
|
|
|
|
ValueType = TypeFloat64;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxFloatCast::~FxFloatCast()
|
|
|
|
{
|
|
|
|
SAFE_DELETE(basex);
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxExpression *FxFloatCast::Resolve(FCompileContext &ctx)
|
|
|
|
{
|
|
|
|
CHECKRESOLVED();
|
|
|
|
SAFE_RESOLVE(basex, ctx);
|
|
|
|
|
|
|
|
if (basex->ValueType->GetRegType() == REGT_FLOAT)
|
|
|
|
{
|
|
|
|
FxExpression *x = basex;
|
|
|
|
basex = NULL;
|
|
|
|
delete this;
|
|
|
|
return x;
|
|
|
|
}
|
|
|
|
else if (basex->ValueType->GetRegType() == REGT_INT)
|
|
|
|
{
|
2016-06-08 08:46:35 +00:00
|
|
|
if (basex->ValueType != TypeName)
|
2016-03-01 15:47:10 +00:00
|
|
|
{
|
2016-06-08 08:46:35 +00:00
|
|
|
if (basex->isConstant())
|
|
|
|
{
|
|
|
|
ExpVal constval = static_cast<FxConstant *>(basex)->GetValue();
|
|
|
|
FxExpression *x = new FxConstant(constval.GetFloat(), ScriptPosition);
|
|
|
|
delete this;
|
|
|
|
return x;
|
|
|
|
}
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
// Ugh. This should abort, but too many mods fell into this logic hole somewhere, so this seroious error needs to be reduced to a warning. :(
|
2016-06-08 08:56:11 +00:00
|
|
|
if (!basex->isConstant()) ScriptPosition.Message(MSG_OPTERROR, "Numeric type expected, got a name");
|
|
|
|
else ScriptPosition.Message(MSG_OPTERROR, "Numeric type expected, got \"%s\"", static_cast<FxConstant*>(basex)->GetValue().GetName().GetChars());
|
2016-06-08 08:46:35 +00:00
|
|
|
FxExpression *x = new FxConstant(0.0, ScriptPosition);
|
2016-03-01 15:47:10 +00:00
|
|
|
delete this;
|
|
|
|
return x;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "Numeric type expected");
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
ExpEmit FxFloatCast::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
ExpEmit from = basex->Emit(build);
|
|
|
|
assert(!from.Konst);
|
|
|
|
assert(basex->ValueType->GetRegType() == REGT_INT);
|
|
|
|
from.Free(build);
|
|
|
|
ExpEmit to(build, REGT_FLOAT);
|
|
|
|
build->Emit(OP_CAST, to.RegNum, from.RegNum, CAST_I2F);
|
|
|
|
return to;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxCastStateToBool::FxCastStateToBool(FxExpression *x)
|
|
|
|
: FxExpression(x->ScriptPosition)
|
|
|
|
{
|
|
|
|
basex = x;
|
|
|
|
ValueType = TypeSInt32;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxCastStateToBool::~FxCastStateToBool()
|
|
|
|
{
|
|
|
|
SAFE_DELETE(basex);
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxExpression *FxCastStateToBool::Resolve(FCompileContext &ctx)
|
|
|
|
{
|
|
|
|
CHECKRESOLVED();
|
|
|
|
SAFE_RESOLVE(basex, ctx);
|
|
|
|
|
|
|
|
assert(basex->ValueType == TypeState);
|
|
|
|
assert(!basex->isConstant() && "We shouldn't be able to generate a constant state ref");
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
ExpEmit FxCastStateToBool::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
ExpEmit from = basex->Emit(build);
|
|
|
|
assert(from.RegType == REGT_POINTER);
|
|
|
|
from.Free(build);
|
|
|
|
ExpEmit to(build, REGT_INT);
|
|
|
|
|
|
|
|
// If from is NULL, produce 0. Otherwise, produce 1.
|
|
|
|
build->Emit(OP_LI, to.RegNum, 0);
|
|
|
|
build->Emit(OP_EQA_K, 1, from.RegNum, build->GetConstantAddress(NULL, ATAG_GENERIC));
|
|
|
|
build->Emit(OP_JMP, 1);
|
|
|
|
build->Emit(OP_LI, to.RegNum, 1);
|
|
|
|
return to;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxPlusSign::FxPlusSign(FxExpression *operand)
|
|
|
|
: FxExpression(operand->ScriptPosition)
|
|
|
|
{
|
|
|
|
Operand=operand;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxPlusSign::~FxPlusSign()
|
|
|
|
{
|
|
|
|
SAFE_DELETE(Operand);
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxExpression *FxPlusSign::Resolve(FCompileContext& ctx)
|
|
|
|
{
|
|
|
|
CHECKRESOLVED();
|
|
|
|
SAFE_RESOLVE(Operand, ctx);
|
|
|
|
|
|
|
|
if (Operand->IsNumeric())
|
|
|
|
{
|
|
|
|
FxExpression *e = Operand;
|
|
|
|
Operand = NULL;
|
|
|
|
delete this;
|
|
|
|
return e;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "Numeric type expected");
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
ExpEmit FxPlusSign::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
return Operand->Emit(build);
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxMinusSign::FxMinusSign(FxExpression *operand)
|
|
|
|
: FxExpression(operand->ScriptPosition)
|
|
|
|
{
|
|
|
|
Operand=operand;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxMinusSign::~FxMinusSign()
|
|
|
|
{
|
|
|
|
SAFE_DELETE(Operand);
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxExpression *FxMinusSign::Resolve(FCompileContext& ctx)
|
|
|
|
{
|
|
|
|
CHECKRESOLVED();
|
|
|
|
SAFE_RESOLVE(Operand, ctx);
|
|
|
|
|
|
|
|
if (Operand->IsNumeric())
|
|
|
|
{
|
|
|
|
if (Operand->isConstant())
|
|
|
|
{
|
|
|
|
ExpVal val = static_cast<FxConstant *>(Operand)->GetValue();
|
|
|
|
FxExpression *e = val.Type->GetRegType() == REGT_INT ?
|
|
|
|
new FxConstant(-val.Int, ScriptPosition) :
|
|
|
|
new FxConstant(-val.Float, ScriptPosition);
|
|
|
|
delete this;
|
|
|
|
return e;
|
|
|
|
}
|
|
|
|
ValueType = Operand->ValueType;
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "Numeric type expected");
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
ExpEmit FxMinusSign::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
assert(ValueType == Operand->ValueType);
|
|
|
|
ExpEmit from = Operand->Emit(build);
|
|
|
|
assert(from.Konst == 0);
|
|
|
|
// Do it in-place.
|
|
|
|
if (ValueType->GetRegType() == REGT_INT)
|
|
|
|
{
|
|
|
|
build->Emit(OP_NEG, from.RegNum, from.RegNum, 0);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
assert(ValueType->GetRegType() == REGT_FLOAT);
|
|
|
|
build->Emit(OP_FLOP, from.RegNum, from.RegNum, FLOP_NEG);
|
|
|
|
}
|
|
|
|
return from;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxUnaryNotBitwise::FxUnaryNotBitwise(FxExpression *operand)
|
|
|
|
: FxExpression(operand->ScriptPosition)
|
|
|
|
{
|
|
|
|
Operand=operand;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxUnaryNotBitwise::~FxUnaryNotBitwise()
|
|
|
|
{
|
|
|
|
SAFE_DELETE(Operand);
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxExpression *FxUnaryNotBitwise::Resolve(FCompileContext& ctx)
|
|
|
|
{
|
|
|
|
CHECKRESOLVED();
|
|
|
|
SAFE_RESOLVE(Operand, ctx);
|
|
|
|
|
|
|
|
if (Operand->ValueType->GetRegType() == REGT_FLOAT /* lax */)
|
|
|
|
{
|
|
|
|
// DECORATE allows floats here so cast them to int.
|
|
|
|
Operand = new FxIntCast(Operand);
|
|
|
|
Operand = Operand->Resolve(ctx);
|
|
|
|
if (Operand == NULL)
|
|
|
|
{
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (Operand->ValueType->GetRegType() != REGT_INT)
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "Integer type expected");
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (Operand->isConstant())
|
|
|
|
{
|
|
|
|
int result = ~static_cast<FxConstant *>(Operand)->GetValue().GetInt();
|
|
|
|
FxExpression *e = new FxConstant(result, ScriptPosition);
|
|
|
|
delete this;
|
|
|
|
return e;
|
|
|
|
}
|
|
|
|
ValueType = TypeSInt32;
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
ExpEmit FxUnaryNotBitwise::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
assert(ValueType == Operand->ValueType);
|
|
|
|
assert(ValueType == TypeSInt32);
|
|
|
|
ExpEmit from = Operand->Emit(build);
|
|
|
|
assert(from.Konst == 0);
|
|
|
|
// Do it in-place.
|
|
|
|
build->Emit(OP_NOT, from.RegNum, from.RegNum, 0);
|
|
|
|
return from;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxUnaryNotBoolean::FxUnaryNotBoolean(FxExpression *operand)
|
|
|
|
: FxExpression(operand->ScriptPosition)
|
|
|
|
{
|
|
|
|
Operand=operand;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxUnaryNotBoolean::~FxUnaryNotBoolean()
|
|
|
|
{
|
|
|
|
SAFE_DELETE(Operand);
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxExpression *FxUnaryNotBoolean::Resolve(FCompileContext& ctx)
|
|
|
|
{
|
|
|
|
CHECKRESOLVED();
|
|
|
|
if (Operand)
|
|
|
|
{
|
|
|
|
Operand = Operand->ResolveAsBoolean(ctx);
|
|
|
|
}
|
|
|
|
if (!Operand)
|
|
|
|
{
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (Operand->IsNumeric() || Operand->IsPointer())
|
|
|
|
{
|
|
|
|
if (Operand->isConstant())
|
|
|
|
{
|
|
|
|
bool result = !static_cast<FxConstant *>(Operand)->GetValue().GetBool();
|
|
|
|
FxExpression *e = new FxConstant(result, ScriptPosition);
|
|
|
|
delete this;
|
|
|
|
return e;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "Numeric type expected");
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
ValueType = TypeSInt32;
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
ExpEmit FxUnaryNotBoolean::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
ExpEmit from = Operand->Emit(build);
|
|
|
|
assert(!from.Konst);
|
|
|
|
ExpEmit to(build, REGT_INT);
|
|
|
|
from.Free(build);
|
|
|
|
|
|
|
|
// Preload result with 0.
|
|
|
|
build->Emit(OP_LI, to.RegNum, 0, 0);
|
|
|
|
|
|
|
|
// Check source against 0.
|
|
|
|
if (from.RegType == REGT_INT)
|
|
|
|
{
|
|
|
|
build->Emit(OP_EQ_R, 0, from.RegNum, to.RegNum);
|
|
|
|
}
|
|
|
|
else if (from.RegType == REGT_FLOAT)
|
|
|
|
{
|
|
|
|
build->Emit(OP_EQF_K, 0, from.RegNum, build->GetConstantFloat(0));
|
|
|
|
}
|
|
|
|
else if (from.RegNum == REGT_POINTER)
|
|
|
|
{
|
|
|
|
build->Emit(OP_EQA_K, 0, from.RegNum, build->GetConstantAddress(NULL, ATAG_GENERIC));
|
|
|
|
}
|
|
|
|
build->Emit(OP_JMP, 1);
|
|
|
|
|
|
|
|
// Reload result with 1 if the comparison fell through.
|
|
|
|
build->Emit(OP_LI, to.RegNum, 1);
|
|
|
|
return to;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxBinary::FxBinary(int o, FxExpression *l, FxExpression *r)
|
|
|
|
: FxExpression(l->ScriptPosition)
|
|
|
|
{
|
|
|
|
Operator=o;
|
|
|
|
left=l;
|
|
|
|
right=r;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxBinary::~FxBinary()
|
|
|
|
{
|
|
|
|
SAFE_DELETE(left);
|
|
|
|
SAFE_DELETE(right);
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
bool FxBinary::ResolveLR(FCompileContext& ctx, bool castnumeric)
|
|
|
|
{
|
|
|
|
RESOLVE(left, ctx);
|
|
|
|
RESOLVE(right, ctx);
|
|
|
|
if (!left || !right)
|
|
|
|
{
|
|
|
|
delete this;
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (left->ValueType->GetRegType() == REGT_INT && right->ValueType->GetRegType() == REGT_INT)
|
|
|
|
{
|
|
|
|
ValueType = TypeSInt32;
|
|
|
|
}
|
|
|
|
else if (left->IsNumeric() && right->IsNumeric())
|
|
|
|
{
|
|
|
|
ValueType = TypeFloat64;
|
|
|
|
}
|
|
|
|
else if (left->ValueType->GetRegType() == REGT_POINTER && left->ValueType == right->ValueType)
|
|
|
|
{
|
|
|
|
ValueType = left->ValueType;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
ValueType = TypeVoid;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (castnumeric)
|
|
|
|
{
|
|
|
|
// later!
|
|
|
|
}
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
void FxBinary::Promote(FCompileContext &ctx)
|
|
|
|
{
|
|
|
|
if (left->ValueType->GetRegType() == REGT_FLOAT && right->ValueType->GetRegType() == REGT_INT)
|
|
|
|
{
|
|
|
|
right = (new FxFloatCast(right))->Resolve(ctx);
|
|
|
|
}
|
|
|
|
else if (left->ValueType->GetRegType() == REGT_INT && right->ValueType->GetRegType() == REGT_FLOAT)
|
|
|
|
{
|
|
|
|
left = (new FxFloatCast(left))->Resolve(ctx);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxAddSub::FxAddSub(int o, FxExpression *l, FxExpression *r)
|
|
|
|
: FxBinary(o, l, r)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxExpression *FxAddSub::Resolve(FCompileContext& ctx)
|
|
|
|
{
|
|
|
|
CHECKRESOLVED();
|
|
|
|
if (!ResolveLR(ctx, true)) return NULL;
|
|
|
|
|
|
|
|
if (!IsNumeric())
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "Numeric type expected");
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
else if (left->isConstant() && right->isConstant())
|
|
|
|
{
|
|
|
|
if (ValueType->GetRegType() == REGT_FLOAT)
|
|
|
|
{
|
|
|
|
double v;
|
|
|
|
double v1 = static_cast<FxConstant *>(left)->GetValue().GetFloat();
|
|
|
|
double v2 = static_cast<FxConstant *>(right)->GetValue().GetFloat();
|
|
|
|
|
|
|
|
v = Operator == '+'? v1 + v2 :
|
|
|
|
Operator == '-'? v1 - v2 : 0;
|
|
|
|
|
|
|
|
FxExpression *e = new FxConstant(v, ScriptPosition);
|
|
|
|
delete this;
|
|
|
|
return e;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
int v;
|
|
|
|
int v1 = static_cast<FxConstant *>(left)->GetValue().GetInt();
|
|
|
|
int v2 = static_cast<FxConstant *>(right)->GetValue().GetInt();
|
|
|
|
|
|
|
|
v = Operator == '+'? v1 + v2 :
|
|
|
|
Operator == '-'? v1 - v2 : 0;
|
|
|
|
|
|
|
|
FxExpression *e = new FxConstant(v, ScriptPosition);
|
|
|
|
delete this;
|
|
|
|
return e;
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
Promote(ctx);
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
ExpEmit FxAddSub::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
assert(Operator == '+' || Operator == '-');
|
|
|
|
ExpEmit op1 = left->Emit(build);
|
|
|
|
ExpEmit op2 = right->Emit(build);
|
|
|
|
if (Operator == '+')
|
|
|
|
{
|
|
|
|
// Since addition is commutative, only the second operand may be a constant.
|
|
|
|
if (op1.Konst)
|
|
|
|
{
|
|
|
|
swapvalues(op1, op2);
|
|
|
|
}
|
|
|
|
assert(!op1.Konst);
|
|
|
|
op1.Free(build);
|
|
|
|
op2.Free(build);
|
|
|
|
if (ValueType->GetRegType() == REGT_FLOAT)
|
|
|
|
{
|
|
|
|
assert(op1.RegType == REGT_FLOAT && op2.RegType == REGT_FLOAT);
|
|
|
|
ExpEmit to(build, REGT_FLOAT);
|
|
|
|
build->Emit(op2.Konst ? OP_ADDF_RK : OP_ADDF_RR, to.RegNum, op1.RegNum, op2.RegNum);
|
|
|
|
return to;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
assert(ValueType->GetRegType() == REGT_INT);
|
|
|
|
assert(op1.RegType == REGT_INT && op2.RegType == REGT_INT);
|
|
|
|
ExpEmit to(build, REGT_INT);
|
|
|
|
build->Emit(op2.Konst ? OP_ADD_RK : OP_ADD_RR, to.RegNum, op1.RegNum, op2.RegNum);
|
|
|
|
return to;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
// Subtraction is not commutative, so either side may be constant (but not both).
|
|
|
|
assert(!op1.Konst || !op2.Konst);
|
|
|
|
op1.Free(build);
|
|
|
|
op2.Free(build);
|
|
|
|
if (ValueType->GetRegType() == REGT_FLOAT)
|
|
|
|
{
|
|
|
|
assert(op1.RegType == REGT_FLOAT && op2.RegType == REGT_FLOAT);
|
|
|
|
ExpEmit to(build, REGT_FLOAT);
|
|
|
|
build->Emit(op1.Konst ? OP_SUBF_KR : op2.Konst ? OP_SUBF_RK : OP_SUBF_RR,
|
|
|
|
to.RegNum, op1.RegNum, op2.RegNum);
|
|
|
|
return to;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
assert(ValueType->GetRegType() == REGT_INT);
|
|
|
|
assert(op1.RegType == REGT_INT && op2.RegType == REGT_INT);
|
|
|
|
ExpEmit to(build, REGT_INT);
|
|
|
|
build->Emit(op1.Konst ? OP_SUB_KR : op2.Konst ? OP_SUB_RK : OP_SUB_RR,
|
|
|
|
to.RegNum, op1.RegNum, op2.RegNum);
|
|
|
|
return to;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxMulDiv::FxMulDiv(int o, FxExpression *l, FxExpression *r)
|
|
|
|
: FxBinary(o, l, r)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxExpression *FxMulDiv::Resolve(FCompileContext& ctx)
|
|
|
|
{
|
|
|
|
CHECKRESOLVED();
|
|
|
|
|
|
|
|
if (!ResolveLR(ctx, true)) return NULL;
|
|
|
|
|
|
|
|
if (!IsNumeric())
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "Numeric type expected");
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
else if (left->isConstant() && right->isConstant())
|
|
|
|
{
|
|
|
|
if (ValueType->GetRegType() == REGT_FLOAT)
|
|
|
|
{
|
|
|
|
double v;
|
|
|
|
double v1 = static_cast<FxConstant *>(left)->GetValue().GetFloat();
|
|
|
|
double v2 = static_cast<FxConstant *>(right)->GetValue().GetFloat();
|
|
|
|
|
|
|
|
if (Operator != '*' && v2 == 0)
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "Division by 0");
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
v = Operator == '*'? v1 * v2 :
|
|
|
|
Operator == '/'? v1 / v2 :
|
|
|
|
Operator == '%'? fmod(v1, v2) : 0;
|
|
|
|
|
|
|
|
FxExpression *e = new FxConstant(v, ScriptPosition);
|
|
|
|
delete this;
|
|
|
|
return e;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
int v;
|
|
|
|
int v1 = static_cast<FxConstant *>(left)->GetValue().GetInt();
|
|
|
|
int v2 = static_cast<FxConstant *>(right)->GetValue().GetInt();
|
|
|
|
|
|
|
|
if (Operator != '*' && v2 == 0)
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "Division by 0");
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
v = Operator == '*'? v1 * v2 :
|
|
|
|
Operator == '/'? v1 / v2 :
|
|
|
|
Operator == '%'? v1 % v2 : 0;
|
|
|
|
|
|
|
|
FxExpression *e = new FxConstant(v, ScriptPosition);
|
|
|
|
delete this;
|
|
|
|
return e;
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
Promote(ctx);
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
ExpEmit FxMulDiv::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
ExpEmit op1 = left->Emit(build);
|
|
|
|
ExpEmit op2 = right->Emit(build);
|
|
|
|
|
|
|
|
if (Operator == '*')
|
|
|
|
{
|
|
|
|
// Multiplication is commutative, so only the second operand may be constant.
|
|
|
|
if (op1.Konst)
|
|
|
|
{
|
|
|
|
swapvalues(op1, op2);
|
|
|
|
}
|
|
|
|
assert(!op1.Konst);
|
|
|
|
op1.Free(build);
|
|
|
|
op2.Free(build);
|
|
|
|
if (ValueType->GetRegType() == REGT_FLOAT)
|
|
|
|
{
|
|
|
|
assert(op1.RegType == REGT_FLOAT && op2.RegType == REGT_FLOAT);
|
|
|
|
ExpEmit to(build, REGT_FLOAT);
|
|
|
|
build->Emit(op2.Konst ? OP_MULF_RK : OP_MULF_RR, to.RegNum, op1.RegNum, op2.RegNum);
|
|
|
|
return to;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
assert(ValueType->GetRegType() == REGT_INT);
|
|
|
|
assert(op1.RegType == REGT_INT && op2.RegType == REGT_INT);
|
|
|
|
ExpEmit to(build, REGT_INT);
|
|
|
|
build->Emit(op2.Konst ? OP_MUL_RK : OP_MUL_RR, to.RegNum, op1.RegNum, op2.RegNum);
|
|
|
|
return to;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
// Division is not commutative, so either side may be constant (but not both).
|
|
|
|
assert(!op1.Konst || !op2.Konst);
|
|
|
|
assert(Operator == '%' || Operator == '/');
|
|
|
|
op1.Free(build);
|
|
|
|
op2.Free(build);
|
|
|
|
if (ValueType->GetRegType() == REGT_FLOAT)
|
|
|
|
{
|
|
|
|
assert(op1.RegType == REGT_FLOAT && op2.RegType == REGT_FLOAT);
|
|
|
|
ExpEmit to(build, REGT_FLOAT);
|
|
|
|
build->Emit(Operator == '/' ? (op1.Konst ? OP_DIVF_KR : op2.Konst ? OP_DIVF_RK : OP_DIVF_RR)
|
|
|
|
: (op1.Konst ? OP_MODF_KR : op2.Konst ? OP_MODF_RK : OP_MODF_RR),
|
|
|
|
to.RegNum, op1.RegNum, op2.RegNum);
|
|
|
|
return to;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
assert(ValueType->GetRegType() == REGT_INT);
|
|
|
|
assert(op1.RegType == REGT_INT && op2.RegType == REGT_INT);
|
|
|
|
ExpEmit to(build, REGT_INT);
|
|
|
|
build->Emit(Operator == '/' ? (op1.Konst ? OP_DIV_KR : op2.Konst ? OP_DIV_RK : OP_DIV_RR)
|
|
|
|
: (op1.Konst ? OP_MOD_KR : op2.Konst ? OP_MOD_RK : OP_MOD_RR),
|
|
|
|
to.RegNum, op1.RegNum, op2.RegNum);
|
|
|
|
return to;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxCompareRel::FxCompareRel(int o, FxExpression *l, FxExpression *r)
|
|
|
|
: FxBinary(o, l, r)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxExpression *FxCompareRel::Resolve(FCompileContext& ctx)
|
|
|
|
{
|
|
|
|
CHECKRESOLVED();
|
|
|
|
if (!ResolveLR(ctx, true)) return NULL;
|
|
|
|
|
|
|
|
if (!IsNumeric())
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "Numeric type expected");
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
else if (left->isConstant() && right->isConstant())
|
|
|
|
{
|
|
|
|
int v;
|
|
|
|
|
|
|
|
if (ValueType->GetRegType() == REGT_FLOAT)
|
|
|
|
{
|
|
|
|
double v1 = static_cast<FxConstant *>(left)->GetValue().GetFloat();
|
|
|
|
double v2 = static_cast<FxConstant *>(right)->GetValue().GetFloat();
|
|
|
|
v = Operator == '<'? v1 < v2 :
|
|
|
|
Operator == '>'? v1 > v2 :
|
|
|
|
Operator == TK_Geq? v1 >= v2 :
|
|
|
|
Operator == TK_Leq? v1 <= v2 : 0;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
int v1 = static_cast<FxConstant *>(left)->GetValue().GetInt();
|
|
|
|
int v2 = static_cast<FxConstant *>(right)->GetValue().GetInt();
|
|
|
|
v = Operator == '<'? v1 < v2 :
|
|
|
|
Operator == '>'? v1 > v2 :
|
|
|
|
Operator == TK_Geq? v1 >= v2 :
|
|
|
|
Operator == TK_Leq? v1 <= v2 : 0;
|
|
|
|
}
|
|
|
|
FxExpression *e = new FxConstant(v, ScriptPosition);
|
|
|
|
delete this;
|
|
|
|
return e;
|
|
|
|
}
|
|
|
|
Promote(ctx);
|
|
|
|
ValueType = TypeSInt32;
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
ExpEmit FxCompareRel::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
ExpEmit op1 = left->Emit(build);
|
|
|
|
ExpEmit op2 = right->Emit(build);
|
|
|
|
assert(op1.RegType == op2.RegType);
|
|
|
|
assert(op1.RegType == REGT_INT || op1.RegType == REGT_FLOAT);
|
|
|
|
assert(!op1.Konst || !op2.Konst);
|
|
|
|
assert(Operator == '<' || Operator == '>' || Operator == TK_Geq || Operator == TK_Leq);
|
|
|
|
static const VM_UBYTE InstrMap[][4] =
|
|
|
|
{
|
|
|
|
{ OP_LT_RR, OP_LTF_RR, 0 }, // <
|
|
|
|
{ OP_LE_RR, OP_LEF_RR, 1 }, // >
|
|
|
|
{ OP_LT_RR, OP_LTF_RR, 1 }, // >=
|
|
|
|
{ OP_LE_RR, OP_LEF_RR, 0 } // <=
|
|
|
|
};
|
|
|
|
int instr, check, index;
|
|
|
|
ExpEmit to(build, REGT_INT);
|
|
|
|
|
|
|
|
index = Operator == '<' ? 0 :
|
|
|
|
Operator == '>' ? 1 :
|
|
|
|
Operator == TK_Geq ? 2 : 3;
|
|
|
|
instr = InstrMap[index][op1.RegType == REGT_INT ? 0 : 1];
|
|
|
|
check = InstrMap[index][2];
|
|
|
|
if (op2.Konst)
|
|
|
|
{
|
|
|
|
instr += 1;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
op2.Free(build);
|
|
|
|
}
|
|
|
|
if (op1.Konst)
|
|
|
|
{
|
|
|
|
instr += 2;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
op1.Free(build);
|
|
|
|
}
|
|
|
|
|
|
|
|
// See FxUnaryNotBoolean for comments, since it's the same thing.
|
|
|
|
build->Emit(OP_LI, to.RegNum, 0, 0);
|
|
|
|
build->Emit(instr, check, op1.RegNum, op2.RegNum);
|
|
|
|
build->Emit(OP_JMP, 1);
|
|
|
|
build->Emit(OP_LI, to.RegNum, 1);
|
|
|
|
return to;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxCompareEq::FxCompareEq(int o, FxExpression *l, FxExpression *r)
|
|
|
|
: FxBinary(o, l, r)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxExpression *FxCompareEq::Resolve(FCompileContext& ctx)
|
|
|
|
{
|
|
|
|
CHECKRESOLVED();
|
|
|
|
|
|
|
|
if (!ResolveLR(ctx, true)) return NULL;
|
|
|
|
|
|
|
|
if (!left || !right)
|
|
|
|
{
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!IsNumeric() && !IsPointer())
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "Numeric type expected");
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (left->isConstant() && right->isConstant())
|
|
|
|
{
|
|
|
|
int v;
|
|
|
|
|
|
|
|
if (ValueType->GetRegType() == REGT_FLOAT)
|
|
|
|
{
|
|
|
|
double v1 = static_cast<FxConstant *>(left)->GetValue().GetFloat();
|
|
|
|
double v2 = static_cast<FxConstant *>(right)->GetValue().GetFloat();
|
|
|
|
v = Operator == TK_Eq? v1 == v2 : v1 != v2;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
int v1 = static_cast<FxConstant *>(left)->GetValue().GetInt();
|
|
|
|
int v2 = static_cast<FxConstant *>(right)->GetValue().GetInt();
|
|
|
|
v = Operator == TK_Eq? v1 == v2 : v1 != v2;
|
|
|
|
}
|
|
|
|
FxExpression *e = new FxConstant(v, ScriptPosition);
|
|
|
|
delete this;
|
|
|
|
return e;
|
|
|
|
}
|
|
|
|
Promote(ctx);
|
|
|
|
ValueType = TypeSInt32;
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
ExpEmit FxCompareEq::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
ExpEmit op1 = left->Emit(build);
|
|
|
|
ExpEmit op2 = right->Emit(build);
|
|
|
|
assert(op1.RegType == op2.RegType);
|
|
|
|
assert(op1.RegType == REGT_INT || op1.RegType == REGT_FLOAT || op1.RegType == REGT_POINTER);
|
|
|
|
int instr;
|
|
|
|
|
|
|
|
// Only the second operand may be constant.
|
|
|
|
if (op1.Konst)
|
|
|
|
{
|
|
|
|
swapvalues(op1, op2);
|
|
|
|
}
|
|
|
|
assert(!op1.Konst);
|
|
|
|
|
|
|
|
ExpEmit to(build, REGT_INT);
|
|
|
|
|
|
|
|
instr = op1.RegType == REGT_INT ? OP_EQ_R :
|
|
|
|
op1.RegType == REGT_FLOAT ? OP_EQF_R :
|
|
|
|
OP_EQA_R;
|
|
|
|
op1.Free(build);
|
|
|
|
if (!op2.Konst)
|
|
|
|
{
|
|
|
|
op2.Free(build);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
instr += 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
// See FxUnaryNotBoolean for comments, since it's the same thing.
|
|
|
|
build->Emit(OP_LI, to.RegNum, 0, 0);
|
|
|
|
build->Emit(instr, Operator != TK_Eq, op1.RegNum, op2.RegNum);
|
|
|
|
build->Emit(OP_JMP, 1);
|
|
|
|
build->Emit(OP_LI, to.RegNum, 1);
|
|
|
|
return to;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxBinaryInt::FxBinaryInt(int o, FxExpression *l, FxExpression *r)
|
|
|
|
: FxBinary(o, l, r)
|
|
|
|
{
|
|
|
|
ValueType = TypeSInt32;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxExpression *FxBinaryInt::Resolve(FCompileContext& ctx)
|
|
|
|
{
|
|
|
|
CHECKRESOLVED();
|
|
|
|
if (!ResolveLR(ctx, false)) return NULL;
|
|
|
|
|
|
|
|
if (ValueType->GetRegType() == REGT_FLOAT /* lax */)
|
|
|
|
{
|
|
|
|
// For DECORATE which allows floats here.
|
|
|
|
if (left->ValueType->GetRegType() != REGT_INT)
|
|
|
|
{
|
|
|
|
left = new FxIntCast(left);
|
|
|
|
left = left->Resolve(ctx);
|
|
|
|
}
|
|
|
|
if (right->ValueType->GetRegType() != REGT_INT)
|
|
|
|
{
|
|
|
|
right = new FxIntCast(right);
|
|
|
|
right = right->Resolve(ctx);
|
|
|
|
}
|
|
|
|
if (left == NULL || right == NULL)
|
|
|
|
{
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
ValueType = TypeSInt32;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ValueType->GetRegType() != REGT_INT)
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "Integer type expected");
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
else if (left->isConstant() && right->isConstant())
|
|
|
|
{
|
|
|
|
int v1 = static_cast<FxConstant *>(left)->GetValue().GetInt();
|
|
|
|
int v2 = static_cast<FxConstant *>(right)->GetValue().GetInt();
|
|
|
|
|
|
|
|
FxExpression *e = new FxConstant(
|
|
|
|
Operator == TK_LShift? v1 << v2 :
|
|
|
|
Operator == TK_RShift? v1 >> v2 :
|
|
|
|
Operator == TK_URShift? int((unsigned int)(v1) >> v2) :
|
|
|
|
Operator == '&'? v1 & v2 :
|
|
|
|
Operator == '|'? v1 | v2 :
|
|
|
|
Operator == '^'? v1 ^ v2 : 0, ScriptPosition);
|
|
|
|
|
|
|
|
delete this;
|
|
|
|
return e;
|
|
|
|
}
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
ExpEmit FxBinaryInt::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
assert(left->ValueType->GetRegType() == REGT_INT);
|
|
|
|
assert(right->ValueType->GetRegType() == REGT_INT);
|
|
|
|
static const VM_UBYTE InstrMap[][4] =
|
|
|
|
{
|
|
|
|
{ OP_SLL_RR, OP_SLL_KR, OP_SLL_RI }, // TK_LShift
|
|
|
|
{ OP_SRA_RR, OP_SRA_KR, OP_SRA_RI }, // TK_RShift
|
|
|
|
{ OP_SRL_RR, OP_SRL_KR, OP_SRL_RI }, // TK_URShift
|
|
|
|
{ OP_AND_RR, 0, OP_AND_RK }, // '&'
|
|
|
|
{ OP_OR_RR, 0, OP_OR_RK }, // '|'
|
|
|
|
{ OP_XOR_RR, 0, OP_XOR_RK }, // '^'
|
|
|
|
};
|
|
|
|
int index, instr, rop;
|
|
|
|
ExpEmit op1, op2;
|
|
|
|
|
|
|
|
index = Operator == TK_LShift ? 0 :
|
|
|
|
Operator == TK_RShift ? 1 :
|
|
|
|
Operator == TK_URShift ? 2 :
|
|
|
|
Operator == '&' ? 3 :
|
|
|
|
Operator == '|' ? 4 :
|
|
|
|
Operator == '^' ? 5 : -1;
|
|
|
|
assert(index >= 0);
|
|
|
|
op1 = left->Emit(build);
|
|
|
|
if (index < 3)
|
|
|
|
{ // Shift instructions use right-hand immediates instead of constant registers.
|
|
|
|
if (right->isConstant())
|
|
|
|
{
|
|
|
|
rop = static_cast<FxConstant *>(right)->GetValue().GetInt();
|
|
|
|
op2.Konst = true;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
op2 = right->Emit(build);
|
|
|
|
assert(!op2.Konst);
|
|
|
|
op2.Free(build);
|
|
|
|
rop = op2.RegNum;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{ // The other operators only take a constant on the right-hand side.
|
|
|
|
op2 = right->Emit(build);
|
|
|
|
if (op1.Konst)
|
|
|
|
{
|
|
|
|
swapvalues(op1, op2);
|
|
|
|
}
|
|
|
|
assert(!op1.Konst);
|
|
|
|
rop = op2.RegNum;
|
|
|
|
op2.Free(build);
|
|
|
|
}
|
|
|
|
if (!op1.Konst)
|
|
|
|
{
|
|
|
|
op1.Free(build);
|
|
|
|
if (!op2.Konst)
|
|
|
|
{
|
|
|
|
instr = InstrMap[index][0];
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
instr = InstrMap[index][2];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
assert(!op2.Konst);
|
|
|
|
instr = InstrMap[index][1];
|
|
|
|
}
|
|
|
|
assert(instr != 0);
|
|
|
|
ExpEmit to(build, REGT_INT);
|
|
|
|
build->Emit(instr, to.RegNum, op1.RegNum, rop);
|
|
|
|
return to;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxBinaryLogical::FxBinaryLogical(int o, FxExpression *l, FxExpression *r)
|
|
|
|
: FxExpression(l->ScriptPosition)
|
|
|
|
{
|
|
|
|
Operator=o;
|
|
|
|
left=l;
|
|
|
|
right=r;
|
|
|
|
ValueType = TypeSInt32;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxBinaryLogical::~FxBinaryLogical()
|
|
|
|
{
|
|
|
|
SAFE_DELETE(left);
|
|
|
|
SAFE_DELETE(right);
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxExpression *FxBinaryLogical::Resolve(FCompileContext& ctx)
|
|
|
|
{
|
|
|
|
CHECKRESOLVED();
|
|
|
|
if (left) left = left->ResolveAsBoolean(ctx);
|
|
|
|
if (right) right = right->ResolveAsBoolean(ctx);
|
|
|
|
if (!left || !right)
|
|
|
|
{
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
int b_left=-1, b_right=-1;
|
|
|
|
|
|
|
|
if (left->isConstant()) b_left = static_cast<FxConstant *>(left)->GetValue().GetBool();
|
|
|
|
if (right->isConstant()) b_right = static_cast<FxConstant *>(right)->GetValue().GetBool();
|
|
|
|
|
|
|
|
// Do some optimizations. This will throw out all sub-expressions that are not
|
|
|
|
// needed to retrieve the final result.
|
|
|
|
if (Operator == TK_AndAnd)
|
|
|
|
{
|
|
|
|
if (b_left==0 || b_right==0)
|
|
|
|
{
|
|
|
|
FxExpression *x = new FxConstant(0, ScriptPosition);
|
|
|
|
delete this;
|
|
|
|
return x;
|
|
|
|
}
|
|
|
|
else if (b_left==1 && b_right==1)
|
|
|
|
{
|
|
|
|
FxExpression *x = new FxConstant(1, ScriptPosition);
|
|
|
|
delete this;
|
|
|
|
return x;
|
|
|
|
}
|
|
|
|
else if (b_left==1)
|
|
|
|
{
|
|
|
|
FxExpression *x = right;
|
|
|
|
right=NULL;
|
|
|
|
delete this;
|
|
|
|
return x;
|
|
|
|
}
|
|
|
|
else if (b_right==1)
|
|
|
|
{
|
|
|
|
FxExpression *x = left;
|
|
|
|
left=NULL;
|
|
|
|
delete this;
|
|
|
|
return x;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else if (Operator == TK_OrOr)
|
|
|
|
{
|
|
|
|
if (b_left==1 || b_right==1)
|
|
|
|
{
|
|
|
|
FxExpression *x = new FxConstant(1, ScriptPosition);
|
|
|
|
delete this;
|
|
|
|
return x;
|
|
|
|
}
|
|
|
|
if (b_left==0 && b_right==0)
|
|
|
|
{
|
|
|
|
FxExpression *x = new FxConstant(0, ScriptPosition);
|
|
|
|
delete this;
|
|
|
|
return x;
|
|
|
|
}
|
|
|
|
else if (b_left==0)
|
|
|
|
{
|
|
|
|
FxExpression *x = right;
|
|
|
|
right=NULL;
|
|
|
|
delete this;
|
|
|
|
return x;
|
|
|
|
}
|
|
|
|
else if (b_right==0)
|
|
|
|
{
|
|
|
|
FxExpression *x = left;
|
|
|
|
left=NULL;
|
|
|
|
delete this;
|
|
|
|
return x;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (left->ValueType->GetRegType() != REGT_INT)
|
|
|
|
{
|
|
|
|
left = new FxIntCast(left);
|
|
|
|
}
|
|
|
|
if (right->ValueType->GetRegType() != REGT_INT)
|
|
|
|
{
|
|
|
|
right = new FxIntCast(right);
|
|
|
|
}
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
ExpEmit FxBinaryLogical::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
// This is not the "right" way to do these, but it works for now.
|
|
|
|
// (Problem: No information sharing is done between nodes to reduce the
|
|
|
|
// code size if you have something like a1 && a2 && a3 && ... && an.)
|
|
|
|
assert(left->ValueType->GetRegType() == REGT_INT && right->ValueType->GetRegType() == REGT_INT);
|
|
|
|
ExpEmit op1 = left->Emit(build);
|
|
|
|
assert(!op1.Konst);
|
|
|
|
int zero = build->GetConstantInt(0);
|
|
|
|
op1.Free(build);
|
|
|
|
|
|
|
|
if (Operator == TK_AndAnd)
|
|
|
|
{
|
|
|
|
build->Emit(OP_EQ_K, 1, op1.RegNum, zero);
|
|
|
|
// If op1 is 0, skip evaluation of op2.
|
|
|
|
size_t patchspot = build->Emit(OP_JMP, 0, 0, 0);
|
|
|
|
|
|
|
|
// Evaluate op2.
|
|
|
|
ExpEmit op2 = right->Emit(build);
|
|
|
|
assert(!op2.Konst);
|
|
|
|
op2.Free(build);
|
|
|
|
|
|
|
|
ExpEmit to(build, REGT_INT);
|
|
|
|
build->Emit(OP_EQ_K, 1, op2.RegNum, zero);
|
|
|
|
build->Emit(OP_JMP, 2);
|
|
|
|
build->Emit(OP_LI, to.RegNum, 1);
|
|
|
|
build->Emit(OP_JMP, 1);
|
|
|
|
size_t target = build->Emit(OP_LI, to.RegNum, 0);
|
|
|
|
build->Backpatch(patchspot, target);
|
|
|
|
return to;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
assert(Operator == TK_OrOr);
|
|
|
|
build->Emit(OP_EQ_K, 0, op1.RegNum, zero);
|
|
|
|
// If op1 is not 0, skip evaluation of op2.
|
|
|
|
size_t patchspot = build->Emit(OP_JMP, 0, 0, 0);
|
|
|
|
|
|
|
|
// Evaluate op2.
|
|
|
|
ExpEmit op2 = right->Emit(build);
|
|
|
|
assert(!op2.Konst);
|
|
|
|
op2.Free(build);
|
|
|
|
|
|
|
|
ExpEmit to(build, REGT_INT);
|
|
|
|
build->Emit(OP_EQ_K, 0, op2.RegNum, zero);
|
|
|
|
build->Emit(OP_JMP, 2);
|
|
|
|
build->Emit(OP_LI, to.RegNum, 0);
|
|
|
|
build->Emit(OP_JMP, 1);
|
|
|
|
size_t target = build->Emit(OP_LI, to.RegNum, 1);
|
|
|
|
build->Backpatch(patchspot, target);
|
|
|
|
return to;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxConditional::FxConditional(FxExpression *c, FxExpression *t, FxExpression *f)
|
|
|
|
: FxExpression(c->ScriptPosition)
|
|
|
|
{
|
|
|
|
condition = c;
|
|
|
|
truex=t;
|
|
|
|
falsex=f;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxConditional::~FxConditional()
|
|
|
|
{
|
|
|
|
SAFE_DELETE(condition);
|
|
|
|
SAFE_DELETE(truex);
|
|
|
|
SAFE_DELETE(falsex);
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxExpression *FxConditional::Resolve(FCompileContext& ctx)
|
|
|
|
{
|
|
|
|
CHECKRESOLVED();
|
|
|
|
if (condition) condition = condition->ResolveAsBoolean(ctx);
|
|
|
|
RESOLVE(truex, ctx);
|
|
|
|
RESOLVE(falsex, ctx);
|
|
|
|
ABORT(condition && truex && falsex);
|
|
|
|
|
|
|
|
if (truex->ValueType->GetRegType() == REGT_INT && falsex->ValueType->GetRegType() == REGT_INT)
|
|
|
|
ValueType = TypeSInt32;
|
|
|
|
else if (truex->IsNumeric() && falsex->IsNumeric())
|
|
|
|
ValueType = TypeFloat64;
|
|
|
|
//else if (truex->ValueType != falsex->ValueType)
|
|
|
|
|
|
|
|
if (condition->isConstant())
|
|
|
|
{
|
|
|
|
ExpVal condval = static_cast<FxConstant *>(condition)->GetValue();
|
|
|
|
bool result = condval.GetBool();
|
|
|
|
|
|
|
|
FxExpression *e = result? truex:falsex;
|
|
|
|
delete (result? falsex:truex);
|
|
|
|
falsex = truex = NULL;
|
|
|
|
delete this;
|
|
|
|
return e;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ValueType->GetRegType() == REGT_FLOAT)
|
|
|
|
{
|
|
|
|
if (truex->ValueType->GetRegType() != REGT_FLOAT)
|
|
|
|
{
|
|
|
|
truex = new FxFloatCast(truex);
|
|
|
|
RESOLVE(truex, ctx);
|
|
|
|
}
|
|
|
|
if (falsex->ValueType->GetRegType() != REGT_FLOAT)
|
|
|
|
{
|
|
|
|
falsex = new FxFloatCast(falsex);
|
|
|
|
RESOLVE(falsex, ctx);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
ExpEmit FxConditional::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
ExpEmit out;
|
|
|
|
|
|
|
|
// The true and false expressions ought to be assigned to the
|
|
|
|
// same temporary instead of being copied to it. Oh well; good enough
|
|
|
|
// for now.
|
|
|
|
ExpEmit cond = condition->Emit(build);
|
|
|
|
assert(cond.RegType == REGT_INT && !cond.Konst);
|
|
|
|
|
|
|
|
// Test condition.
|
|
|
|
build->Emit(OP_EQ_K, 1, cond.RegNum, build->GetConstantInt(0));
|
|
|
|
size_t patchspot = build->Emit(OP_JMP, 0);
|
|
|
|
|
|
|
|
// Evaluate true expression.
|
|
|
|
if (truex->isConstant() && truex->ValueType->GetRegType() == REGT_INT)
|
|
|
|
{
|
|
|
|
out = ExpEmit(build, REGT_INT);
|
|
|
|
build->EmitLoadInt(out.RegNum, static_cast<FxConstant *>(truex)->GetValue().GetInt());
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
ExpEmit trueop = truex->Emit(build);
|
|
|
|
if (trueop.Konst)
|
|
|
|
{
|
|
|
|
assert(trueop.RegType == REGT_FLOAT);
|
|
|
|
out = ExpEmit(build, REGT_FLOAT);
|
|
|
|
build->Emit(OP_LKF, out.RegNum, trueop.RegNum);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
// Use the register returned by the true condition as the
|
|
|
|
// target for the false condition.
|
|
|
|
out = trueop;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// Evaluate false expression.
|
|
|
|
build->BackpatchToHere(patchspot);
|
|
|
|
if (falsex->isConstant() && falsex->ValueType->GetRegType() == REGT_INT)
|
|
|
|
{
|
|
|
|
build->EmitLoadInt(out.RegNum, static_cast<FxConstant *>(falsex)->GetValue().GetInt());
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
ExpEmit falseop = falsex->Emit(build);
|
|
|
|
if (falseop.Konst)
|
|
|
|
{
|
|
|
|
assert(falseop.RegType == REGT_FLOAT);
|
|
|
|
build->Emit(OP_LKF, out.RegNum, falseop.RegNum);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
// Move result from the register returned by "false" to the one
|
|
|
|
// returned by "true" so that only one register is returned by
|
|
|
|
// this tree.
|
|
|
|
falseop.Free(build);
|
|
|
|
if (falseop.RegType == REGT_INT)
|
|
|
|
{
|
|
|
|
build->Emit(OP_MOVE, out.RegNum, falseop.RegNum, 0);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
assert(falseop.RegType == REGT_FLOAT);
|
|
|
|
build->Emit(OP_MOVEF, out.RegNum, falseop.RegNum, 0);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return out;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
FxAbs::FxAbs(FxExpression *v)
|
|
|
|
: FxExpression(v->ScriptPosition)
|
|
|
|
{
|
|
|
|
val = v;
|
|
|
|
ValueType = v->ValueType;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxAbs::~FxAbs()
|
|
|
|
{
|
|
|
|
SAFE_DELETE(val);
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxExpression *FxAbs::Resolve(FCompileContext &ctx)
|
|
|
|
{
|
|
|
|
CHECKRESOLVED();
|
|
|
|
SAFE_RESOLVE(val, ctx);
|
|
|
|
|
|
|
|
|
|
|
|
if (!val->IsNumeric())
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "Numeric type expected");
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
else if (val->isConstant())
|
|
|
|
{
|
|
|
|
ExpVal value = static_cast<FxConstant *>(val)->GetValue();
|
|
|
|
switch (value.Type->GetRegType())
|
|
|
|
{
|
|
|
|
case REGT_INT:
|
|
|
|
value.Int = abs(value.Int);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case REGT_FLOAT:
|
|
|
|
value.Float = fabs(value.Float);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
// shouldn't happen
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
FxExpression *x = new FxConstant(value, ScriptPosition);
|
|
|
|
delete this;
|
|
|
|
return x;
|
|
|
|
}
|
|
|
|
ValueType = val->ValueType;
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
ExpEmit FxAbs::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
ExpEmit absofsteal = val->Emit(build);
|
|
|
|
assert(!absofsteal.Konst);
|
|
|
|
ExpEmit out(build, absofsteal.RegType);
|
|
|
|
if (absofsteal.RegType == REGT_INT)
|
|
|
|
{
|
|
|
|
build->Emit(OP_ABS, out.RegNum, absofsteal.RegNum, 0);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
assert(absofsteal.RegType == REGT_FLOAT);
|
|
|
|
build->Emit(OP_FLOP, out.RegNum, absofsteal.RegNum, FLOP_ABS);
|
|
|
|
}
|
|
|
|
return out;
|
|
|
|
}
|
|
|
|
|
2016-04-19 04:06:17 +00:00
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
FxATan2::FxATan2(FxExpression *y, FxExpression *x, const FScriptPosition &pos)
|
|
|
|
: FxExpression(pos)
|
|
|
|
{
|
|
|
|
yval = y;
|
|
|
|
xval = x;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
FxATan2::~FxATan2()
|
|
|
|
{
|
|
|
|
SAFE_DELETE(yval);
|
|
|
|
SAFE_DELETE(xval);
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
FxExpression *FxATan2::Resolve(FCompileContext &ctx)
|
|
|
|
{
|
|
|
|
CHECKRESOLVED();
|
|
|
|
SAFE_RESOLVE(yval, ctx);
|
|
|
|
SAFE_RESOLVE(xval, ctx);
|
|
|
|
|
|
|
|
if (!yval->IsNumeric() || !xval->IsNumeric())
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "numeric value expected for parameter");
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
if (yval->isConstant() && xval->isConstant())
|
|
|
|
{
|
|
|
|
double y = static_cast<FxConstant *>(yval)->GetValue().GetFloat();
|
|
|
|
double x = static_cast<FxConstant *>(xval)->GetValue().GetFloat();
|
|
|
|
FxExpression *z = new FxConstant(g_atan2(y, x) * (180 / M_PI), ScriptPosition);
|
|
|
|
delete this;
|
|
|
|
return z;
|
|
|
|
}
|
|
|
|
if (yval->ValueType->GetRegType() != REGT_FLOAT && !yval->isConstant())
|
|
|
|
{
|
|
|
|
yval = new FxFloatCast(yval);
|
|
|
|
}
|
|
|
|
if (xval->ValueType->GetRegType() != REGT_FLOAT && !xval->isConstant())
|
|
|
|
{
|
|
|
|
xval = new FxFloatCast(xval);
|
|
|
|
}
|
|
|
|
ValueType = TypeFloat64;
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
ExpEmit FxATan2::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
ExpEmit yreg = ToReg(build, yval);
|
|
|
|
ExpEmit xreg = ToReg(build, xval);
|
|
|
|
yreg.Free(build);
|
|
|
|
xreg.Free(build);
|
|
|
|
ExpEmit out(build, REGT_FLOAT);
|
|
|
|
build->Emit(OP_ATAN2, out.RegNum, yreg.RegNum, xreg.RegNum);
|
|
|
|
return out;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
// The atan2 opcode only takes registers as parameters, so any constants
|
|
|
|
// must be loaded into registers first.
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
ExpEmit FxATan2::ToReg(VMFunctionBuilder *build, FxExpression *val)
|
|
|
|
{
|
|
|
|
if (val->isConstant())
|
|
|
|
{
|
|
|
|
ExpEmit reg(build, REGT_FLOAT);
|
|
|
|
build->Emit(OP_LKF, reg.RegNum, build->GetConstantFloat(static_cast<FxConstant*>(val)->GetValue().GetFloat()));
|
|
|
|
return reg;
|
|
|
|
}
|
|
|
|
return val->Emit(build);
|
|
|
|
}
|
|
|
|
|
2016-03-01 15:47:10 +00:00
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
FxMinMax::FxMinMax(TArray<FxExpression*> &expr, FName type, const FScriptPosition &pos)
|
|
|
|
: FxExpression(pos), Type(type)
|
|
|
|
{
|
|
|
|
assert(expr.Size() > 0);
|
|
|
|
assert(type == NAME_Min || type == NAME_Max);
|
|
|
|
|
|
|
|
choices.Resize(expr.Size());
|
|
|
|
for (unsigned i = 0; i < expr.Size(); ++i)
|
|
|
|
{
|
|
|
|
choices[i] = expr[i];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
FxExpression *FxMinMax::Resolve(FCompileContext &ctx)
|
|
|
|
{
|
|
|
|
unsigned int i;
|
|
|
|
int intcount, floatcount;
|
|
|
|
|
|
|
|
CHECKRESOLVED();
|
|
|
|
|
|
|
|
// Determine if float or int
|
|
|
|
intcount = floatcount = 0;
|
|
|
|
for (i = 0; i < choices.Size(); ++i)
|
|
|
|
{
|
|
|
|
RESOLVE(choices[i], ctx);
|
|
|
|
ABORT(choices[i]);
|
|
|
|
|
|
|
|
if (choices[i]->ValueType->GetRegType() == REGT_FLOAT)
|
|
|
|
{
|
|
|
|
floatcount++;
|
|
|
|
}
|
|
|
|
else if (choices[i]->ValueType->GetRegType() == REGT_INT)
|
|
|
|
{
|
|
|
|
intcount++;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "Arguments must be of type int or float");
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (floatcount != 0)
|
|
|
|
{
|
|
|
|
ValueType = TypeFloat64;
|
|
|
|
if (intcount != 0)
|
|
|
|
{ // There are some ints that need to be cast to floats
|
|
|
|
for (i = 0; i < choices.Size(); ++i)
|
|
|
|
{
|
|
|
|
if (choices[i]->ValueType->GetRegType() == REGT_INT)
|
|
|
|
{
|
|
|
|
choices[i] = new FxFloatCast(choices[i]);
|
|
|
|
RESOLVE(choices[i], ctx);
|
|
|
|
ABORT(choices[i]);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
ValueType = TypeSInt32;
|
|
|
|
}
|
|
|
|
|
|
|
|
// If at least two arguments are constants, they can be solved now.
|
|
|
|
|
|
|
|
// Look for first constant
|
|
|
|
for (i = 0; i < choices.Size(); ++i)
|
|
|
|
{
|
|
|
|
if (choices[i]->isConstant())
|
|
|
|
{
|
|
|
|
ExpVal best = static_cast<FxConstant *>(choices[i])->GetValue();
|
|
|
|
// Compare against remaining constants, which are removed.
|
|
|
|
// The best value gets stored in this one.
|
|
|
|
for (unsigned j = i + 1; j < choices.Size(); )
|
|
|
|
{
|
|
|
|
if (!choices[j]->isConstant())
|
|
|
|
{
|
|
|
|
j++;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
ExpVal value = static_cast<FxConstant *>(choices[j])->GetValue();
|
|
|
|
assert(value.Type == ValueType);
|
|
|
|
if (Type == NAME_Min)
|
|
|
|
{
|
|
|
|
if (value.Type->GetRegType() == REGT_FLOAT)
|
|
|
|
{
|
|
|
|
if (value.Float < best.Float)
|
|
|
|
{
|
|
|
|
best.Float = value.Float;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
if (value.Int < best.Int)
|
|
|
|
{
|
|
|
|
best.Int = value.Int;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
if (value.Type->GetRegType() == REGT_FLOAT)
|
|
|
|
{
|
|
|
|
if (value.Float > best.Float)
|
|
|
|
{
|
|
|
|
best.Float = value.Float;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
if (value.Int > best.Int)
|
|
|
|
{
|
|
|
|
best.Int = value.Int;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
delete choices[j];
|
|
|
|
choices[j] = NULL;
|
|
|
|
choices.Delete(j);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
FxExpression *x = new FxConstant(best, ScriptPosition);
|
|
|
|
if (i == 0 && choices.Size() == 1)
|
|
|
|
{ // Every choice was constant
|
|
|
|
delete this;
|
|
|
|
return x;
|
|
|
|
}
|
|
|
|
delete choices[i];
|
|
|
|
choices[i] = x;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
static void EmitLoad(VMFunctionBuilder *build, const ExpEmit resultreg, const ExpVal &value)
|
|
|
|
{
|
|
|
|
if (resultreg.RegType == REGT_FLOAT)
|
|
|
|
{
|
|
|
|
build->Emit(OP_LKF, resultreg.RegNum, build->GetConstantFloat(value.GetFloat()));
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
build->EmitLoadInt(resultreg.RegNum, value.GetInt());
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
ExpEmit FxMinMax::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
unsigned i;
|
|
|
|
int opcode, opA;
|
|
|
|
|
|
|
|
assert(choices.Size() > 0);
|
|
|
|
assert(OP_LTF_RK == OP_LTF_RR+1);
|
|
|
|
assert(OP_LT_RK == OP_LT_RR+1);
|
|
|
|
assert(OP_LEF_RK == OP_LEF_RR+1);
|
|
|
|
assert(OP_LE_RK == OP_LE_RR+1);
|
|
|
|
|
|
|
|
if (Type == NAME_Min)
|
|
|
|
{
|
|
|
|
opcode = ValueType->GetRegType() == REGT_FLOAT ? OP_LEF_RR : OP_LE_RR;
|
|
|
|
opA = 1;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
opcode = ValueType->GetRegType() == REGT_FLOAT ? OP_LTF_RR : OP_LT_RR;
|
|
|
|
opA = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
ExpEmit bestreg;
|
|
|
|
|
|
|
|
// Get first value into a register. This will also be the result register.
|
|
|
|
if (choices[0]->isConstant())
|
|
|
|
{
|
|
|
|
bestreg = ExpEmit(build, ValueType->GetRegType());
|
|
|
|
EmitLoad(build, bestreg, static_cast<FxConstant *>(choices[0])->GetValue());
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
bestreg = choices[0]->Emit(build);
|
|
|
|
}
|
|
|
|
|
|
|
|
// Compare every choice. Better matches get copied to the bestreg.
|
|
|
|
for (i = 1; i < choices.Size(); ++i)
|
|
|
|
{
|
|
|
|
ExpEmit checkreg = choices[i]->Emit(build);
|
|
|
|
assert(checkreg.RegType == bestreg.RegType);
|
|
|
|
build->Emit(opcode + checkreg.Konst, opA, bestreg.RegNum, checkreg.RegNum);
|
|
|
|
build->Emit(OP_JMP, 1);
|
|
|
|
if (checkreg.Konst)
|
|
|
|
{
|
|
|
|
build->Emit(bestreg.RegType == REGT_FLOAT ? OP_LKF : OP_LK, bestreg.RegNum, checkreg.RegNum);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
build->Emit(bestreg.RegType == REGT_FLOAT ? OP_MOVEF : OP_MOVE, bestreg.RegNum, checkreg.RegNum, 0);
|
|
|
|
checkreg.Free(build);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return bestreg;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
FxRandom::FxRandom(FRandom * r, FxExpression *mi, FxExpression *ma, const FScriptPosition &pos)
|
|
|
|
: FxExpression(pos)
|
|
|
|
{
|
|
|
|
if (mi != NULL && ma != NULL)
|
|
|
|
{
|
|
|
|
min = new FxIntCast(mi);
|
|
|
|
max = new FxIntCast(ma);
|
|
|
|
}
|
|
|
|
else min = max = NULL;
|
|
|
|
rng = r;
|
|
|
|
ValueType = TypeSInt32;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxRandom::~FxRandom()
|
|
|
|
{
|
|
|
|
SAFE_DELETE(min);
|
|
|
|
SAFE_DELETE(max);
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxExpression *FxRandom::Resolve(FCompileContext &ctx)
|
|
|
|
{
|
|
|
|
CHECKRESOLVED();
|
|
|
|
if (min && max)
|
|
|
|
{
|
|
|
|
RESOLVE(min, ctx);
|
|
|
|
RESOLVE(max, ctx);
|
|
|
|
ABORT(min && max);
|
|
|
|
assert(min->ValueType == ValueType);
|
|
|
|
assert(max->ValueType == ValueType);
|
|
|
|
}
|
|
|
|
return this;
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
int DecoRandom(VMFrameStack *stack, VMValue *param, int numparam, VMReturn *ret, int numret)
|
|
|
|
{
|
|
|
|
assert(numparam >= 1 && numparam <= 3);
|
|
|
|
FRandom *rng = reinterpret_cast<FRandom *>(param[0].a);
|
|
|
|
if (numparam == 1)
|
|
|
|
{
|
|
|
|
ret->SetInt((*rng)());
|
|
|
|
}
|
|
|
|
else if (numparam == 2)
|
|
|
|
{
|
|
|
|
int maskval = param[1].i;
|
|
|
|
ret->SetInt(rng->Random2(maskval));
|
|
|
|
}
|
|
|
|
else if (numparam == 3)
|
|
|
|
{
|
|
|
|
int min = param[1].i, max = param[2].i;
|
|
|
|
if (max < min)
|
|
|
|
{
|
|
|
|
swapvalues(max, min);
|
|
|
|
}
|
|
|
|
ret->SetInt((*rng)(max - min + 1) + min);
|
|
|
|
}
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
ExpEmit FxRandom::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
// Call DecoRandom to generate a random number.
|
|
|
|
VMFunction *callfunc;
|
|
|
|
PSymbol *sym = FindDecorateBuiltinFunction(NAME_DecoRandom, DecoRandom);
|
|
|
|
|
|
|
|
assert(sym->IsKindOf(RUNTIME_CLASS(PSymbolVMFunction)));
|
|
|
|
assert(((PSymbolVMFunction *)sym)->Function != NULL);
|
|
|
|
callfunc = ((PSymbolVMFunction *)sym)->Function;
|
|
|
|
|
|
|
|
build->Emit(OP_PARAM, 0, REGT_POINTER | REGT_KONST, build->GetConstantAddress(rng, ATAG_RNG));
|
|
|
|
if (min != NULL && max != NULL)
|
|
|
|
{
|
|
|
|
EmitParameter(build, min, ScriptPosition);
|
|
|
|
EmitParameter(build, max, ScriptPosition);
|
|
|
|
build->Emit(OP_CALL_K, build->GetConstantAddress(callfunc, ATAG_OBJECT), 3, 1);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
build->Emit(OP_CALL_K, build->GetConstantAddress(callfunc, ATAG_OBJECT), 1, 1);
|
|
|
|
}
|
|
|
|
ExpEmit out(build, REGT_INT);
|
|
|
|
build->Emit(OP_RESULT, 0, REGT_INT, out.RegNum);
|
|
|
|
return out;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
FxRandomPick::FxRandomPick(FRandom *r, TArray<FxExpression*> &expr, bool floaty, const FScriptPosition &pos)
|
|
|
|
: FxExpression(pos)
|
|
|
|
{
|
|
|
|
assert(expr.Size() > 0);
|
|
|
|
choices.Resize(expr.Size());
|
|
|
|
for (unsigned int index = 0; index < expr.Size(); index++)
|
|
|
|
{
|
|
|
|
if (floaty)
|
|
|
|
{
|
|
|
|
choices[index] = new FxFloatCast(expr[index]);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
choices[index] = new FxIntCast(expr[index]);
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
rng = r;
|
|
|
|
if (floaty)
|
|
|
|
{
|
|
|
|
ValueType = TypeFloat64;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
ValueType = TypeSInt32;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxRandomPick::~FxRandomPick()
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxExpression *FxRandomPick::Resolve(FCompileContext &ctx)
|
|
|
|
{
|
|
|
|
CHECKRESOLVED();
|
|
|
|
for (unsigned int index = 0; index < choices.Size(); index++)
|
|
|
|
{
|
|
|
|
RESOLVE(choices[index], ctx);
|
|
|
|
ABORT(choices[index]);
|
|
|
|
assert(choices[index]->ValueType == ValueType);
|
|
|
|
}
|
|
|
|
return this;
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
// FxPick :: Emit
|
|
|
|
//
|
|
|
|
// The expression:
|
|
|
|
// a = pick[rng](i_0, i_1, i_2, ..., i_n)
|
|
|
|
// [where i_x is a complete expression and not just a value]
|
|
|
|
// is syntactic sugar for:
|
|
|
|
//
|
|
|
|
// switch(random[rng](0, n)) {
|
|
|
|
// case 0: a = i_0;
|
|
|
|
// case 1: a = i_1;
|
|
|
|
// case 2: a = i_2;
|
|
|
|
// ...
|
|
|
|
// case n: a = i_n;
|
|
|
|
// }
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
ExpEmit FxRandomPick::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
unsigned i;
|
|
|
|
|
|
|
|
assert(choices.Size() > 0);
|
|
|
|
|
|
|
|
// Call DecoRandom to generate a random number.
|
|
|
|
VMFunction *callfunc;
|
|
|
|
PSymbol *sym = FindDecorateBuiltinFunction(NAME_DecoRandom, DecoRandom);
|
|
|
|
|
|
|
|
assert(sym->IsKindOf(RUNTIME_CLASS(PSymbolVMFunction)));
|
|
|
|
assert(((PSymbolVMFunction *)sym)->Function != NULL);
|
|
|
|
callfunc = ((PSymbolVMFunction *)sym)->Function;
|
|
|
|
|
|
|
|
build->Emit(OP_PARAM, 0, REGT_POINTER | REGT_KONST, build->GetConstantAddress(rng, ATAG_RNG));
|
|
|
|
build->EmitParamInt(0);
|
|
|
|
build->EmitParamInt(choices.Size() - 1);
|
|
|
|
build->Emit(OP_CALL_K, build->GetConstantAddress(callfunc, ATAG_OBJECT), 3, 1);
|
|
|
|
|
|
|
|
ExpEmit resultreg(build, REGT_INT);
|
|
|
|
build->Emit(OP_RESULT, 0, REGT_INT, resultreg.RegNum);
|
|
|
|
build->Emit(OP_IJMP, resultreg.RegNum, 0);
|
|
|
|
|
|
|
|
// Free the result register now. The simple code generation algorithm should
|
|
|
|
// automatically pick it as the destination register for each case.
|
|
|
|
resultreg.Free(build);
|
|
|
|
|
|
|
|
// For floating point results, we need to get a new register, since we can't
|
|
|
|
// reuse the integer one used to store the random result.
|
|
|
|
if (ValueType->GetRegType() == REGT_FLOAT)
|
|
|
|
{
|
|
|
|
resultreg = ExpEmit(build, REGT_FLOAT);
|
|
|
|
resultreg.Free(build);
|
|
|
|
}
|
|
|
|
|
|
|
|
// Allocate space for the jump table.
|
|
|
|
size_t jumptable = build->Emit(OP_JMP, 0);
|
|
|
|
for (i = 1; i < choices.Size(); ++i)
|
|
|
|
{
|
|
|
|
build->Emit(OP_JMP, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
// Emit each case
|
|
|
|
TArray<size_t> finishes(choices.Size() - 1);
|
|
|
|
for (unsigned i = 0; i < choices.Size(); ++i)
|
|
|
|
{
|
|
|
|
build->BackpatchToHere(jumptable + i);
|
|
|
|
if (choices[i]->isConstant())
|
|
|
|
{
|
|
|
|
EmitLoad(build, resultreg, static_cast<FxConstant *>(choices[i])->GetValue());
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
ExpEmit casereg = choices[i]->Emit(build);
|
|
|
|
if (casereg.RegNum != resultreg.RegNum)
|
|
|
|
{ // The result of the case is in a different register from what
|
|
|
|
// was expected. Copy it to the one we wanted.
|
|
|
|
|
|
|
|
resultreg.Reuse(build); // This is really just for the assert in Reuse()
|
|
|
|
build->Emit(ValueType->GetRegType() == REGT_INT ? OP_MOVE : OP_MOVEF, resultreg.RegNum, casereg.RegNum, 0);
|
|
|
|
resultreg.Free(build);
|
|
|
|
}
|
|
|
|
// Free this register so the remaining cases can use it.
|
|
|
|
casereg.Free(build);
|
|
|
|
}
|
|
|
|
// All but the final case needs a jump to the end of the expression's code.
|
|
|
|
if (i + 1 < choices.Size())
|
|
|
|
{
|
|
|
|
size_t loc = build->Emit(OP_JMP, 0);
|
|
|
|
finishes.Push(loc);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// Backpatch each case (except the last, since it ends here) to jump to here.
|
|
|
|
for (i = 0; i < choices.Size() - 1; ++i)
|
|
|
|
{
|
|
|
|
build->BackpatchToHere(finishes[i]);
|
|
|
|
}
|
|
|
|
// The result register needs to be in-use when we return.
|
|
|
|
// It should have been freed earlier, so restore its in-use flag.
|
|
|
|
resultreg.Reuse(build);
|
|
|
|
return resultreg;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
FxFRandom::FxFRandom(FRandom *r, FxExpression *mi, FxExpression *ma, const FScriptPosition &pos)
|
|
|
|
: FxRandom(r, NULL, NULL, pos)
|
|
|
|
{
|
|
|
|
if (mi != NULL && ma != NULL)
|
|
|
|
{
|
|
|
|
min = new FxFloatCast(mi);
|
|
|
|
max = new FxFloatCast(ma);
|
|
|
|
}
|
|
|
|
ValueType = TypeFloat64;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
int DecoFRandom(VMFrameStack *stack, VMValue *param, int numparam, VMReturn *ret, int numret)
|
|
|
|
{
|
|
|
|
assert(numparam == 1 || numparam == 3);
|
|
|
|
FRandom *rng = reinterpret_cast<FRandom *>(param[0].a);
|
|
|
|
|
|
|
|
int random = (*rng)(0x40000000);
|
|
|
|
double frandom = random / double(0x40000000);
|
|
|
|
|
|
|
|
if (numparam == 3)
|
|
|
|
{
|
|
|
|
double min = param[1].f, max = param[2].f;
|
|
|
|
if (max < min)
|
|
|
|
{
|
|
|
|
swapvalues(max, min);
|
|
|
|
}
|
|
|
|
ret->SetFloat(frandom * (max - min) + min);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
ret->SetFloat(frandom);
|
|
|
|
}
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
ExpEmit FxFRandom::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
// Call the DecoFRandom function to generate a floating point random number..
|
|
|
|
VMFunction *callfunc;
|
|
|
|
PSymbol *sym = FindDecorateBuiltinFunction(NAME_DecoFRandom, DecoFRandom);
|
|
|
|
|
|
|
|
assert(sym->IsKindOf(RUNTIME_CLASS(PSymbolVMFunction)));
|
|
|
|
assert(((PSymbolVMFunction *)sym)->Function != NULL);
|
|
|
|
callfunc = ((PSymbolVMFunction *)sym)->Function;
|
|
|
|
|
|
|
|
build->Emit(OP_PARAM, 0, REGT_POINTER | REGT_KONST, build->GetConstantAddress(rng, ATAG_RNG));
|
|
|
|
if (min != NULL && max != NULL)
|
|
|
|
{
|
|
|
|
EmitParameter(build, min, ScriptPosition);
|
|
|
|
EmitParameter(build, max, ScriptPosition);
|
|
|
|
build->Emit(OP_CALL_K, build->GetConstantAddress(callfunc, ATAG_OBJECT), 3, 1);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
build->Emit(OP_CALL_K, build->GetConstantAddress(callfunc, ATAG_OBJECT), 1, 1);
|
|
|
|
}
|
|
|
|
ExpEmit out(build, REGT_FLOAT);
|
|
|
|
build->Emit(OP_RESULT, 0, REGT_FLOAT, out.RegNum);
|
|
|
|
return out;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxRandom2::FxRandom2(FRandom *r, FxExpression *m, const FScriptPosition &pos)
|
|
|
|
: FxExpression(pos)
|
|
|
|
{
|
|
|
|
rng = r;
|
|
|
|
if (m) mask = new FxIntCast(m);
|
|
|
|
else mask = new FxConstant(-1, pos);
|
|
|
|
ValueType = TypeSInt32;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxRandom2::~FxRandom2()
|
|
|
|
{
|
|
|
|
SAFE_DELETE(mask);
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxExpression *FxRandom2::Resolve(FCompileContext &ctx)
|
|
|
|
{
|
|
|
|
CHECKRESOLVED();
|
|
|
|
SAFE_RESOLVE(mask, ctx);
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
ExpEmit FxRandom2::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
// Call the DecoRandom function to generate the random number.
|
|
|
|
VMFunction *callfunc;
|
|
|
|
PSymbol *sym = FindDecorateBuiltinFunction(NAME_DecoRandom, DecoRandom);
|
|
|
|
|
|
|
|
assert(sym->IsKindOf(RUNTIME_CLASS(PSymbolVMFunction)));
|
|
|
|
assert(((PSymbolVMFunction *)sym)->Function != NULL);
|
|
|
|
callfunc = ((PSymbolVMFunction *)sym)->Function;
|
|
|
|
|
|
|
|
build->Emit(OP_PARAM, 0, REGT_POINTER | REGT_KONST, build->GetConstantAddress(rng, ATAG_RNG));
|
|
|
|
EmitParameter(build, mask, ScriptPosition);
|
|
|
|
build->Emit(OP_CALL_K, build->GetConstantAddress(callfunc, ATAG_OBJECT), 2, 1);
|
|
|
|
ExpEmit out(build, REGT_INT);
|
|
|
|
build->Emit(OP_RESULT, 0, REGT_INT, out.RegNum);
|
|
|
|
return out;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxIdentifier::FxIdentifier(FName name, const FScriptPosition &pos)
|
|
|
|
: FxExpression(pos)
|
|
|
|
{
|
|
|
|
Identifier = name;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxExpression *FxIdentifier::Resolve(FCompileContext& ctx)
|
|
|
|
{
|
|
|
|
PSymbol * sym;
|
|
|
|
FxExpression *newex = NULL;
|
|
|
|
//FBaseCVar * cv = NULL;
|
|
|
|
//FString s;
|
|
|
|
int num;
|
|
|
|
//const PClass *Class;
|
|
|
|
|
|
|
|
CHECKRESOLVED();
|
|
|
|
// see if the current class (if valid) defines something with this name.
|
|
|
|
if ((sym = ctx.FindInClass(Identifier)) != NULL)
|
|
|
|
{
|
|
|
|
if (sym->IsKindOf(RUNTIME_CLASS(PSymbolConst)))
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_DEBUGLOG, "Resolving name '%s' as class constant\n", Identifier.GetChars());
|
|
|
|
newex = FxConstant::MakeConstant(sym, ScriptPosition);
|
|
|
|
}
|
|
|
|
else if (sym->IsKindOf(RUNTIME_CLASS(PField)))
|
|
|
|
{
|
|
|
|
PField *vsym = static_cast<PField*>(sym);
|
|
|
|
ScriptPosition.Message(MSG_DEBUGLOG, "Resolving name '%s' as member variable, index %d\n", Identifier.GetChars(), vsym->Offset);
|
|
|
|
newex = new FxClassMember((new FxSelf(ScriptPosition))->Resolve(ctx), vsym, ScriptPosition);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "Invalid member identifier '%s'\n", Identifier.GetChars());
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// the damage property needs special handling
|
|
|
|
else if (Identifier == NAME_Damage)
|
|
|
|
{
|
|
|
|
newex = new FxDamage(ScriptPosition);
|
|
|
|
}
|
|
|
|
// now check the global identifiers.
|
|
|
|
else if ((sym = ctx.FindGlobal(Identifier)) != NULL)
|
|
|
|
{
|
|
|
|
if (sym->IsKindOf(RUNTIME_CLASS(PSymbolConst)))
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_DEBUGLOG, "Resolving name '%s' as global constant\n", Identifier.GetChars());
|
|
|
|
newex = FxConstant::MakeConstant(sym, ScriptPosition);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "Invalid global identifier '%s'\n", Identifier.GetChars());
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/*
|
|
|
|
else if ((Class = PClass::FindClass(Identifier)))
|
|
|
|
{
|
|
|
|
pos.Message(MSG_DEBUGLOG, "Resolving name '%s' as class name\n", Identifier.GetChars());
|
|
|
|
newex = new FxClassType(Class, ScriptPosition);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
*/
|
|
|
|
|
|
|
|
// also check for CVars
|
|
|
|
/*
|
|
|
|
else if ((cv = FindCVar(Identifier, NULL)) != NULL)
|
|
|
|
{
|
|
|
|
CLOG(CL_RESOLVE, LPrintf("Resolving name '%s' as cvar\n", Identifier.GetChars()));
|
|
|
|
newex = new FxCVar(cv, ScriptPosition);
|
|
|
|
}
|
|
|
|
*/
|
|
|
|
// and line specials
|
|
|
|
else if ((num = P_FindLineSpecial(Identifier, NULL, NULL)))
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_DEBUGLOG, "Resolving name '%s' as line special %d\n", Identifier.GetChars(), num);
|
|
|
|
newex = new FxConstant(num, ScriptPosition);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "Unknown identifier '%s'", Identifier.GetChars());
|
|
|
|
newex = new FxConstant(0, ScriptPosition);
|
|
|
|
}
|
|
|
|
delete this;
|
|
|
|
return newex? newex->Resolve(ctx) : NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxSelf::FxSelf(const FScriptPosition &pos)
|
|
|
|
: FxExpression(pos)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxExpression *FxSelf::Resolve(FCompileContext& ctx)
|
|
|
|
{
|
|
|
|
CHECKRESOLVED();
|
|
|
|
if (!ctx.cls)
|
|
|
|
{
|
|
|
|
// can't really happen with DECORATE's expression evaluator.
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "self used outside of a member function");
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
ValueType = ctx.cls;
|
|
|
|
ValueType = NewPointer(RUNTIME_CLASS(DObject));
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
ExpEmit FxSelf::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
// self is always the first pointer passed to the function
|
|
|
|
ExpEmit me(0, REGT_POINTER);
|
|
|
|
me.Fixed = true;
|
|
|
|
return me;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxDamage::FxDamage(const FScriptPosition &pos)
|
|
|
|
: FxExpression(pos)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
// FxDamage :: Resolve
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxExpression *FxDamage::Resolve(FCompileContext& ctx)
|
|
|
|
{
|
|
|
|
CHECKRESOLVED();
|
|
|
|
ValueType = TypeSInt32;
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
// FxDamage :: Emit
|
|
|
|
//
|
|
|
|
// Call this actor's damage function, if it has one
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
ExpEmit FxDamage::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
ExpEmit dmgval(build, REGT_INT);
|
|
|
|
|
|
|
|
// Get damage function
|
|
|
|
ExpEmit dmgfunc(build, REGT_POINTER);
|
|
|
|
build->Emit(OP_LO, dmgfunc.RegNum, 0/*self*/, build->GetConstantInt(myoffsetof(AActor, Damage)));
|
|
|
|
|
|
|
|
// If it's non-null...
|
|
|
|
build->Emit(OP_EQA_K, 1, dmgfunc.RegNum, build->GetConstantAddress(0, ATAG_GENERIC));
|
|
|
|
size_t nulljump = build->Emit(OP_JMP, 0);
|
|
|
|
|
|
|
|
// ...call it
|
|
|
|
build->Emit(OP_PARAM, 0, REGT_POINTER, 0/*self*/);
|
|
|
|
build->Emit(OP_CALL, dmgfunc.RegNum, 1, 1);
|
|
|
|
build->Emit(OP_RESULT, 0, REGT_INT, dmgval.RegNum);
|
|
|
|
size_t notnulljump = build->Emit(OP_JMP, 0);
|
|
|
|
|
|
|
|
// Otherwise, use 0
|
|
|
|
build->BackpatchToHere(nulljump);
|
|
|
|
build->EmitLoadInt(dmgval.RegNum, 0);
|
|
|
|
build->BackpatchToHere(notnulljump);
|
|
|
|
|
|
|
|
return dmgval;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxClassMember::FxClassMember(FxExpression *x, PField* mem, const FScriptPosition &pos)
|
|
|
|
: FxExpression(pos)
|
|
|
|
{
|
|
|
|
classx = x;
|
|
|
|
membervar = mem;
|
|
|
|
AddressRequested = false;
|
|
|
|
//if (classx->IsDefaultObject()) Readonly=true;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxClassMember::~FxClassMember()
|
|
|
|
{
|
|
|
|
SAFE_DELETE(classx);
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
void FxClassMember::RequestAddress()
|
|
|
|
{
|
|
|
|
AddressRequested = true;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxExpression *FxClassMember::Resolve(FCompileContext &ctx)
|
|
|
|
{
|
|
|
|
CHECKRESOLVED();
|
|
|
|
SAFE_RESOLVE(classx, ctx);
|
|
|
|
|
|
|
|
PPointer *ptrtype = dyn_cast<PPointer>(classx->ValueType);
|
|
|
|
if (ptrtype == NULL || !ptrtype->IsKindOf(RUNTIME_CLASS(DObject)))
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "Member variable requires a class or object");
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
ValueType = membervar->Type;
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
ExpEmit FxClassMember::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
ExpEmit obj = classx->Emit(build);
|
|
|
|
assert(obj.RegType == REGT_POINTER);
|
|
|
|
|
|
|
|
if (AddressRequested)
|
|
|
|
{
|
|
|
|
if (membervar->Offset == 0)
|
|
|
|
{
|
|
|
|
return obj;
|
|
|
|
}
|
|
|
|
obj.Free(build);
|
|
|
|
ExpEmit out(build, REGT_POINTER);
|
|
|
|
build->Emit(OP_ADDA_RK, out.RegNum, obj.RegNum, build->GetConstantInt((int)membervar->Offset));
|
|
|
|
return out;
|
|
|
|
}
|
|
|
|
|
|
|
|
int offsetreg = build->GetConstantInt((int)membervar->Offset);
|
|
|
|
ExpEmit loc, tmp;
|
|
|
|
|
|
|
|
if (obj.Konst)
|
|
|
|
{
|
|
|
|
// If the situation where we are dereferencing a constant
|
|
|
|
// pointer is common, then it would probably be worthwhile
|
|
|
|
// to add new opcodes for those. But as of right now, I
|
|
|
|
// don't expect it to be a particularly common case.
|
|
|
|
ExpEmit newobj(build, REGT_POINTER);
|
|
|
|
build->Emit(OP_LKP, newobj.RegNum, obj.RegNum);
|
|
|
|
obj = newobj;
|
|
|
|
}
|
|
|
|
|
|
|
|
loc = ExpEmit(build, membervar->Type->GetRegType());
|
|
|
|
build->Emit(membervar->Type->GetLoadOp(), loc.RegNum, obj.RegNum, offsetreg);
|
|
|
|
obj.Free(build);
|
|
|
|
return loc;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxArrayElement::FxArrayElement(FxExpression *base, FxExpression *_index)
|
|
|
|
:FxExpression(base->ScriptPosition)
|
|
|
|
{
|
|
|
|
Array=base;
|
|
|
|
index = _index;
|
|
|
|
//AddressRequested = false;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxArrayElement::~FxArrayElement()
|
|
|
|
{
|
|
|
|
SAFE_DELETE(Array);
|
|
|
|
SAFE_DELETE(index);
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
/*
|
|
|
|
void FxArrayElement::RequestAddress()
|
|
|
|
{
|
|
|
|
AddressRequested = true;
|
|
|
|
}
|
|
|
|
*/
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxExpression *FxArrayElement::Resolve(FCompileContext &ctx)
|
|
|
|
{
|
|
|
|
CHECKRESOLVED();
|
|
|
|
SAFE_RESOLVE(Array,ctx);
|
|
|
|
SAFE_RESOLVE(index,ctx);
|
|
|
|
|
|
|
|
if (index->ValueType->GetRegType() == REGT_FLOAT /* lax */)
|
|
|
|
{
|
|
|
|
// DECORATE allows floats here so cast them to int.
|
|
|
|
index = new FxIntCast(index);
|
|
|
|
index = index->Resolve(ctx);
|
|
|
|
if (index == NULL)
|
|
|
|
{
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (index->ValueType->GetRegType() != REGT_INT)
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "Array index must be integer");
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
PArray *arraytype = dyn_cast<PArray>(Array->ValueType);
|
|
|
|
if (arraytype == NULL)
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "'[]' can only be used with arrays.");
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
ValueType = arraytype->ElementType;
|
2016-04-03 21:07:51 +00:00
|
|
|
if (ValueType->GetRegType() != REGT_INT && ValueType->GetRegType() != REGT_FLOAT)
|
2016-03-01 15:47:10 +00:00
|
|
|
{
|
|
|
|
// int arrays only for now
|
2016-04-03 21:07:51 +00:00
|
|
|
ScriptPosition.Message(MSG_ERROR, "Only numeric arrays are supported.");
|
2016-03-01 15:47:10 +00:00
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
Array->RequestAddress();
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
// in its current state this won't be able to do more than handle the args array.
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
ExpEmit FxArrayElement::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
ExpEmit start = Array->Emit(build);
|
2016-04-03 21:07:51 +00:00
|
|
|
PArray *const arraytype = static_cast<PArray*>(Array->ValueType);
|
|
|
|
PType *const elementtype = arraytype->ElementType;
|
|
|
|
ExpEmit dest(build, elementtype->GetRegType());
|
|
|
|
|
2016-03-01 15:47:10 +00:00
|
|
|
if (start.Konst)
|
|
|
|
{
|
|
|
|
ExpEmit tmpstart(build, REGT_POINTER);
|
|
|
|
build->Emit(OP_LKP, tmpstart.RegNum, start.RegNum);
|
|
|
|
start = tmpstart;
|
|
|
|
}
|
|
|
|
if (index->isConstant())
|
|
|
|
{
|
|
|
|
unsigned indexval = static_cast<FxConstant *>(index)->GetValue().GetInt();
|
2016-04-03 21:07:51 +00:00
|
|
|
if (indexval >= arraytype->ElementCount)
|
2016-03-01 15:47:10 +00:00
|
|
|
{
|
|
|
|
I_Error("Array index out of bounds");
|
|
|
|
}
|
2016-04-03 21:07:51 +00:00
|
|
|
indexval *= arraytype->ElementSize;
|
|
|
|
build->Emit(arraytype->ElementType->GetLoadOp(), dest.RegNum,
|
|
|
|
start.RegNum, build->GetConstantInt(indexval));
|
2016-03-01 15:47:10 +00:00
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
ExpEmit indexv(index->Emit(build));
|
2016-04-03 21:07:51 +00:00
|
|
|
int shiftbits = 0;
|
2016-04-03 22:45:04 +00:00
|
|
|
while (1u << shiftbits < arraytype->ElementSize)
|
2016-04-03 21:07:51 +00:00
|
|
|
{
|
|
|
|
shiftbits++;
|
|
|
|
}
|
2016-04-24 02:00:35 +00:00
|
|
|
assert(1u << shiftbits == arraytype->ElementSize && "Element sizes other than power of 2 are not implemented");
|
2016-04-03 21:07:51 +00:00
|
|
|
build->Emit(OP_BOUND, indexv.RegNum, arraytype->ElementCount);
|
|
|
|
if (shiftbits > 0)
|
|
|
|
{
|
|
|
|
build->Emit(OP_SLL_RI, indexv.RegNum, indexv.RegNum, shiftbits);
|
|
|
|
}
|
|
|
|
build->Emit(arraytype->ElementType->GetLoadOp() + 1, // added 1 to use the *_R version that
|
|
|
|
dest.RegNum, start.RegNum, indexv.RegNum); // takes the offset from a register
|
2016-03-01 15:47:10 +00:00
|
|
|
indexv.Free(build);
|
|
|
|
}
|
|
|
|
start.Free(build);
|
|
|
|
return dest;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxFunctionCall::FxFunctionCall(FxExpression *self, FName methodname, FArgumentList *args, const FScriptPosition &pos)
|
|
|
|
: FxExpression(pos)
|
|
|
|
{
|
|
|
|
Self = self;
|
|
|
|
MethodName = methodname;
|
|
|
|
ArgList = args;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxFunctionCall::~FxFunctionCall()
|
|
|
|
{
|
|
|
|
SAFE_DELETE(Self);
|
|
|
|
SAFE_DELETE(ArgList);
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxExpression *FxFunctionCall::Resolve(FCompileContext& ctx)
|
|
|
|
{
|
|
|
|
for (size_t i = 0; i < countof(FxFlops); ++i)
|
|
|
|
{
|
|
|
|
if (MethodName == FxFlops[i].Name)
|
|
|
|
{
|
|
|
|
if (Self != NULL)
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "Global functions cannot have a self pointer");
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
FxExpression *x = new FxFlopFunctionCall(i, ArgList, ScriptPosition);
|
|
|
|
ArgList = NULL;
|
|
|
|
delete this;
|
|
|
|
return x->Resolve(ctx);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
int min, max, special;
|
|
|
|
if (MethodName == NAME_ACS_NamedExecuteWithResult || MethodName == NAME_CallACS)
|
|
|
|
{
|
|
|
|
special = -ACS_ExecuteWithResult;
|
|
|
|
min = 1;
|
|
|
|
max = 5;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
special = P_FindLineSpecial(MethodName.GetChars(), &min, &max);
|
|
|
|
}
|
|
|
|
if (special != 0 && min >= 0)
|
|
|
|
{
|
|
|
|
int paramcount = ArgList? ArgList->Size() : 0;
|
|
|
|
if (paramcount < min)
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "Not enough parameters for '%s' (expected %d, got %d)",
|
|
|
|
MethodName.GetChars(), min, paramcount);
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
else if (paramcount > max)
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "too many parameters for '%s' (expected %d, got %d)",
|
|
|
|
MethodName.GetChars(), max, paramcount);
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
FxExpression *x = new FxActionSpecialCall(Self, special, ArgList, ScriptPosition);
|
|
|
|
ArgList = NULL;
|
|
|
|
delete this;
|
|
|
|
return x->Resolve(ctx);
|
|
|
|
}
|
|
|
|
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "Call to unknown function '%s'", MethodName.GetChars());
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
// FxActionSpecialCall
|
|
|
|
//
|
|
|
|
// If special is negative, then the first argument will be treated as a
|
|
|
|
// name for ACS_NamedExecuteWithResult.
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxActionSpecialCall::FxActionSpecialCall(FxExpression *self, int special, FArgumentList *args, const FScriptPosition &pos)
|
|
|
|
: FxExpression(pos)
|
|
|
|
{
|
|
|
|
Self = self;
|
|
|
|
Special = special;
|
|
|
|
ArgList = args;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxActionSpecialCall::~FxActionSpecialCall()
|
|
|
|
{
|
|
|
|
SAFE_DELETE(Self);
|
|
|
|
SAFE_DELETE(ArgList);
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxExpression *FxActionSpecialCall::Resolve(FCompileContext& ctx)
|
|
|
|
{
|
|
|
|
CHECKRESOLVED();
|
|
|
|
bool failed = false;
|
|
|
|
|
|
|
|
if (ArgList != NULL)
|
|
|
|
{
|
|
|
|
for (unsigned i = 0; i < ArgList->Size(); i++)
|
|
|
|
{
|
|
|
|
(*ArgList)[i] = (*ArgList)[i]->Resolve(ctx);
|
|
|
|
if ((*ArgList)[i] == NULL) failed = true;
|
|
|
|
if (Special < 0 && i == 0)
|
|
|
|
{
|
|
|
|
if ((*ArgList)[i]->ValueType != TypeName)
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "Name expected for parameter %d", i);
|
|
|
|
failed = true;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else if ((*ArgList)[i]->ValueType->GetRegType() != REGT_INT)
|
|
|
|
{
|
|
|
|
if ((*ArgList)[i]->ValueType->GetRegType() == REGT_FLOAT /* lax */)
|
|
|
|
{
|
|
|
|
(*ArgList)[i] = new FxIntCast((*ArgList)[i]);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "Integer expected for parameter %d", i);
|
|
|
|
failed = true;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (failed)
|
|
|
|
{
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
ValueType = TypeSInt32;
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
int DecoCallLineSpecial(VMFrameStack *stack, VMValue *param, int numparam, VMReturn *ret, int numret)
|
|
|
|
{
|
2016-03-04 14:11:20 +00:00
|
|
|
assert(numparam > 2 && numparam < 8);
|
2016-03-01 15:47:10 +00:00
|
|
|
assert(numret == 1);
|
|
|
|
assert(param[0].Type == REGT_INT);
|
|
|
|
assert(param[1].Type == REGT_POINTER);
|
|
|
|
int v[5] = { 0 };
|
|
|
|
|
|
|
|
for (int i = 2; i < numparam; ++i)
|
|
|
|
{
|
|
|
|
v[i - 2] = param[i].i;
|
|
|
|
}
|
|
|
|
ret->SetInt(P_ExecuteSpecial(param[0].i, NULL, reinterpret_cast<AActor*>(param[1].a), false, v[0], v[1], v[2], v[3], v[4]));
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
ExpEmit FxActionSpecialCall::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
assert(Self == NULL);
|
|
|
|
unsigned i = 0;
|
|
|
|
|
|
|
|
build->Emit(OP_PARAMI, abs(Special)); // pass special number
|
|
|
|
build->Emit(OP_PARAM, 0, REGT_POINTER, 0); // pass self
|
|
|
|
if (ArgList != NULL)
|
|
|
|
{
|
|
|
|
for (; i < ArgList->Size(); ++i)
|
|
|
|
{
|
|
|
|
FxExpression *argex = (*ArgList)[i];
|
|
|
|
if (Special < 0 && i == 0)
|
|
|
|
{
|
|
|
|
assert(argex->ValueType == TypeName);
|
|
|
|
assert(argex->isConstant());
|
|
|
|
build->EmitParamInt(-static_cast<FxConstant *>(argex)->GetValue().GetName());
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
assert(argex->ValueType->GetRegType() == REGT_INT);
|
|
|
|
if (argex->isConstant())
|
|
|
|
{
|
|
|
|
build->EmitParamInt(static_cast<FxConstant *>(argex)->GetValue().GetInt());
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
ExpEmit arg(argex->Emit(build));
|
|
|
|
build->Emit(OP_PARAM, 0, arg.RegType, arg.RegNum);
|
|
|
|
arg.Free(build);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// Call the DecoCallLineSpecial function to perform the desired special.
|
|
|
|
VMFunction *callfunc;
|
|
|
|
PSymbol *sym = FindDecorateBuiltinFunction(NAME_DecoCallLineSpecial, DecoCallLineSpecial);
|
|
|
|
|
|
|
|
assert(sym->IsKindOf(RUNTIME_CLASS(PSymbolVMFunction)));
|
|
|
|
assert(((PSymbolVMFunction *)sym)->Function != NULL);
|
|
|
|
callfunc = ((PSymbolVMFunction *)sym)->Function;
|
|
|
|
|
|
|
|
ExpEmit dest(build, REGT_INT);
|
|
|
|
build->Emit(OP_CALL_K, build->GetConstantAddress(callfunc, ATAG_OBJECT), 2 + i, 1);
|
|
|
|
build->Emit(OP_RESULT, 0, REGT_INT, dest.RegNum);
|
|
|
|
return dest;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
// FxVMFunctionCall
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxVMFunctionCall::FxVMFunctionCall(PFunction *func, FArgumentList *args, const FScriptPosition &pos)
|
|
|
|
: FxExpression(pos)
|
|
|
|
{
|
|
|
|
Function = func;
|
|
|
|
ArgList = args;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxVMFunctionCall::~FxVMFunctionCall()
|
|
|
|
{
|
|
|
|
SAFE_DELETE(ArgList);
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
// FxVMFunctionCall :: Resolve
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxExpression *FxVMFunctionCall::Resolve(FCompileContext& ctx)
|
|
|
|
{
|
|
|
|
CHECKRESOLVED();
|
|
|
|
bool failed = false;
|
|
|
|
|
|
|
|
if (ArgList != NULL)
|
|
|
|
{
|
|
|
|
for (unsigned i = 0; i < ArgList->Size(); i++)
|
|
|
|
{
|
|
|
|
(*ArgList)[i] = (*ArgList)[i]->Resolve(ctx);
|
|
|
|
if ((*ArgList)[i] == NULL) failed = true;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (failed)
|
|
|
|
{
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
TArray<PType *> &rets = Function->Variants[0].Implementation->Proto->ReturnTypes;
|
|
|
|
if (rets.Size() > 0)
|
|
|
|
{
|
|
|
|
ValueType = rets[0];
|
|
|
|
}
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
// Assumption: This call is being made to generate code inside an action
|
|
|
|
// method, so the first three address registers are all set up for such a
|
|
|
|
// function. (self, stateowner, callingstate)
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
ExpEmit FxVMFunctionCall::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
return Emit(build, false);
|
|
|
|
}
|
|
|
|
|
|
|
|
ExpEmit FxVMFunctionCall::Emit(VMFunctionBuilder *build, bool tailcall)
|
|
|
|
{
|
|
|
|
assert(build->Registers[REGT_POINTER].GetMostUsed() >= 3);
|
|
|
|
int count = GetArgCount();
|
|
|
|
|
|
|
|
if (count == 1)
|
|
|
|
{
|
|
|
|
ExpEmit reg;
|
|
|
|
if (CheckEmitCast(build, tailcall, reg))
|
|
|
|
{
|
|
|
|
return reg;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// Emit code to pass implied parameters
|
|
|
|
if (Function->Flags & VARF_Method)
|
|
|
|
{
|
|
|
|
build->Emit(OP_PARAM, 0, REGT_POINTER, 0);
|
|
|
|
count += 1;
|
|
|
|
}
|
|
|
|
if (Function->Flags & VARF_Action)
|
|
|
|
{
|
|
|
|
build->Emit(OP_PARAM, 0, REGT_POINTER, 1);
|
|
|
|
build->Emit(OP_PARAM, 0, REGT_POINTER, 2);
|
|
|
|
count += 2;
|
|
|
|
}
|
|
|
|
// Emit code to pass explicit parameters
|
|
|
|
if (ArgList != NULL)
|
|
|
|
{
|
|
|
|
for (unsigned i = 0; i < ArgList->Size(); ++i)
|
|
|
|
{
|
|
|
|
EmitParameter(build, (*ArgList)[i], ScriptPosition);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// Get a constant register for this function
|
|
|
|
VMFunction *vmfunc = Function->Variants[0].Implementation;
|
|
|
|
int funcaddr = build->GetConstantAddress(vmfunc, ATAG_OBJECT);
|
|
|
|
// Emit the call
|
|
|
|
if (tailcall)
|
|
|
|
{ // Tail call
|
|
|
|
build->Emit(OP_TAIL_K, funcaddr, count, 0);
|
|
|
|
return ExpEmit();
|
|
|
|
}
|
|
|
|
else if (vmfunc->Proto->ReturnTypes.Size() > 0)
|
|
|
|
{ // Call, expecting one result
|
|
|
|
ExpEmit reg(build, vmfunc->Proto->ReturnTypes[0]->GetRegType());
|
|
|
|
build->Emit(OP_CALL_K, funcaddr, count, 1);
|
|
|
|
build->Emit(OP_RESULT, 0, reg.RegType, reg.RegNum);
|
|
|
|
return reg;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{ // Call, expecting no results
|
|
|
|
build->Emit(OP_CALL_K, funcaddr, count, 0);
|
|
|
|
return ExpEmit();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
// If calling one of the casting kludge functions, don't bother calling the
|
|
|
|
// function; just use the parameter directly. Returns true if this was a
|
|
|
|
// kludge function, false otherwise.
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
bool FxVMFunctionCall::CheckEmitCast(VMFunctionBuilder *build, bool returnit, ExpEmit ®)
|
|
|
|
{
|
|
|
|
FName funcname = Function->SymbolName;
|
|
|
|
if (funcname == NAME___decorate_internal_int__ ||
|
|
|
|
funcname == NAME___decorate_internal_bool__ ||
|
2016-03-01 17:36:15 +00:00
|
|
|
funcname == NAME___decorate_internal_state__ ||
|
|
|
|
funcname == NAME___decorate_internal_float__)
|
2016-03-01 15:47:10 +00:00
|
|
|
{
|
|
|
|
FxExpression *arg = (*ArgList)[0];
|
|
|
|
if (returnit)
|
|
|
|
{
|
|
|
|
if (arg->isConstant() &&
|
|
|
|
(funcname == NAME___decorate_internal_int__ ||
|
|
|
|
funcname == NAME___decorate_internal_bool__))
|
|
|
|
{ // Use immediate version for integers in range
|
|
|
|
build->EmitRetInt(0, true, static_cast<FxConstant *>(arg)->GetValue().Int);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
ExpEmit where = arg->Emit(build);
|
|
|
|
build->Emit(OP_RET, RET_FINAL, where.RegType | (where.Konst ? REGT_KONST : 0), where.RegNum);
|
|
|
|
where.Free(build);
|
|
|
|
}
|
|
|
|
reg = ExpEmit();
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
reg = arg->Emit(build);
|
|
|
|
}
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxFlopFunctionCall::FxFlopFunctionCall(size_t index, FArgumentList *args, const FScriptPosition &pos)
|
|
|
|
: FxExpression(pos)
|
|
|
|
{
|
|
|
|
assert(index < countof(FxFlops) && "FLOP index out of range");
|
|
|
|
Index = (int)index;
|
|
|
|
ArgList = args;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxFlopFunctionCall::~FxFlopFunctionCall()
|
|
|
|
{
|
|
|
|
SAFE_DELETE(ArgList);
|
|
|
|
}
|
|
|
|
|
|
|
|
FxExpression *FxFlopFunctionCall::Resolve(FCompileContext& ctx)
|
|
|
|
{
|
|
|
|
CHECKRESOLVED();
|
|
|
|
|
|
|
|
if (ArgList == NULL || ArgList->Size() != 1)
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "%s only has one parameter", FName(FxFlops[Index].Name).GetChars());
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
(*ArgList)[0] = (*ArgList)[0]->Resolve(ctx);
|
|
|
|
if ((*ArgList)[0] == NULL)
|
|
|
|
{
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!(*ArgList)[0]->IsNumeric())
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "numeric value expected for parameter");
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
if ((*ArgList)[0]->isConstant())
|
|
|
|
{
|
|
|
|
double v = static_cast<FxConstant *>((*ArgList)[0])->GetValue().GetFloat();
|
|
|
|
v = FxFlops[Index].Evaluate(v);
|
|
|
|
FxExpression *x = new FxConstant(v, ScriptPosition);
|
|
|
|
delete this;
|
|
|
|
return x;
|
|
|
|
}
|
|
|
|
if ((*ArgList)[0]->ValueType->GetRegType() == REGT_INT)
|
|
|
|
{
|
|
|
|
(*ArgList)[0] = new FxFloatCast((*ArgList)[0]);
|
|
|
|
}
|
|
|
|
ValueType = TypeFloat64;
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
ExpEmit FxFlopFunctionCall::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
ExpEmit v = (*ArgList)[0]->Emit(build);
|
|
|
|
assert(!v.Konst && v.RegType == REGT_FLOAT);
|
|
|
|
|
|
|
|
build->Emit(OP_FLOP, v.RegNum, v.RegNum, FxFlops[Index].Flop);
|
|
|
|
return v;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
// FxSequence :: Resolve
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxExpression *FxSequence::Resolve(FCompileContext &ctx)
|
|
|
|
{
|
|
|
|
CHECKRESOLVED();
|
|
|
|
for (unsigned i = 0; i < Expressions.Size(); ++i)
|
|
|
|
{
|
|
|
|
if (NULL == (Expressions[i] = Expressions[i]->Resolve(ctx)))
|
|
|
|
{
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
// FxSequence :: Emit
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
ExpEmit FxSequence::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
for (unsigned i = 0; i < Expressions.Size(); ++i)
|
|
|
|
{
|
|
|
|
ExpEmit v = Expressions[i]->Emit(build);
|
|
|
|
// Throw away any result. We don't care about it.
|
|
|
|
v.Free(build);
|
|
|
|
}
|
|
|
|
return ExpEmit();
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
// FxSequence :: GetDirectFunction
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
VMFunction *FxSequence::GetDirectFunction()
|
|
|
|
{
|
|
|
|
if (Expressions.Size() == 1)
|
|
|
|
{
|
|
|
|
return Expressions[0]->GetDirectFunction();
|
|
|
|
}
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
// FxIfStatement
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxIfStatement::FxIfStatement(FxExpression *cond, FxExpression *true_part,
|
|
|
|
FxExpression *false_part, const FScriptPosition &pos)
|
|
|
|
: FxExpression(pos)
|
|
|
|
{
|
|
|
|
Condition = cond;
|
|
|
|
WhenTrue = true_part;
|
|
|
|
WhenFalse = false_part;
|
|
|
|
assert(cond != NULL);
|
|
|
|
}
|
|
|
|
|
|
|
|
FxIfStatement::~FxIfStatement()
|
|
|
|
{
|
|
|
|
SAFE_DELETE(Condition);
|
|
|
|
SAFE_DELETE(WhenTrue);
|
|
|
|
SAFE_DELETE(WhenFalse);
|
|
|
|
}
|
|
|
|
|
|
|
|
FxExpression *FxIfStatement::Resolve(FCompileContext &ctx)
|
|
|
|
{
|
|
|
|
CHECKRESOLVED();
|
|
|
|
if (WhenTrue == NULL && WhenFalse == NULL)
|
|
|
|
{ // We don't do anything either way, so disappear
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
Condition = Condition->ResolveAsBoolean(ctx);
|
|
|
|
ABORT(Condition);
|
|
|
|
if (WhenTrue != NULL)
|
|
|
|
{
|
|
|
|
WhenTrue = WhenTrue->Resolve(ctx);
|
|
|
|
ABORT(WhenTrue);
|
|
|
|
}
|
|
|
|
if (WhenFalse != NULL)
|
|
|
|
{
|
|
|
|
WhenFalse = WhenFalse->Resolve(ctx);
|
|
|
|
ABORT(WhenFalse);
|
|
|
|
}
|
|
|
|
ValueType = TypeVoid;
|
|
|
|
|
|
|
|
if (Condition->isConstant())
|
|
|
|
{
|
|
|
|
ExpVal condval = static_cast<FxConstant *>(Condition)->GetValue();
|
|
|
|
bool result = condval.GetBool();
|
|
|
|
|
|
|
|
FxExpression *e = result ? WhenTrue : WhenFalse;
|
|
|
|
delete (result ? WhenFalse : WhenTrue);
|
|
|
|
WhenTrue = WhenFalse = NULL;
|
2016-04-07 18:31:12 +00:00
|
|
|
if (e == NULL) e = new FxNop(ScriptPosition); // create a dummy if this statement gets completely removed by optimizing out the constant parts.
|
2016-03-01 15:47:10 +00:00
|
|
|
delete this;
|
|
|
|
return e;
|
|
|
|
}
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
ExpEmit FxIfStatement::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
ExpEmit v;
|
|
|
|
size_t jumpspot;
|
|
|
|
FxExpression *path1, *path2;
|
|
|
|
int condcheck;
|
|
|
|
|
|
|
|
// This is pretty much copied from FxConditional, except we don't
|
|
|
|
// keep any results.
|
|
|
|
ExpEmit cond = Condition->Emit(build);
|
|
|
|
assert(cond.RegType == REGT_INT && !cond.Konst);
|
|
|
|
|
|
|
|
if (WhenTrue != NULL)
|
|
|
|
{
|
|
|
|
path1 = WhenTrue;
|
|
|
|
path2 = WhenFalse;
|
|
|
|
condcheck = 1;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
// When there is only a false path, reverse the condition so we can
|
|
|
|
// treat it as a true path.
|
|
|
|
assert(WhenFalse != NULL);
|
|
|
|
path1 = WhenFalse;
|
|
|
|
path2 = NULL;
|
|
|
|
condcheck = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Test condition.
|
|
|
|
build->Emit(OP_EQ_K, condcheck, cond.RegNum, build->GetConstantInt(0));
|
|
|
|
jumpspot = build->Emit(OP_JMP, 0);
|
|
|
|
cond.Free(build);
|
|
|
|
|
|
|
|
// Evaluate first path
|
|
|
|
v = path1->Emit(build);
|
|
|
|
v.Free(build);
|
|
|
|
if (path2 != NULL)
|
|
|
|
{
|
|
|
|
size_t path1jump = build->Emit(OP_JMP, 0);
|
|
|
|
// Evaluate second path
|
|
|
|
build->BackpatchToHere(jumpspot);
|
|
|
|
v = path2->Emit(build);
|
|
|
|
v.Free(build);
|
|
|
|
jumpspot = path1jump;
|
|
|
|
}
|
|
|
|
build->BackpatchToHere(jumpspot);
|
|
|
|
return ExpEmit();
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxReturnStatement::FxReturnStatement(FxVMFunctionCall *call, const FScriptPosition &pos)
|
|
|
|
: FxExpression(pos), Call(call)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
FxReturnStatement::~FxReturnStatement()
|
|
|
|
{
|
|
|
|
SAFE_DELETE(Call);
|
|
|
|
}
|
|
|
|
|
|
|
|
FxExpression *FxReturnStatement::Resolve(FCompileContext &ctx)
|
|
|
|
{
|
|
|
|
CHECKRESOLVED();
|
|
|
|
if (Call != NULL)
|
|
|
|
{
|
|
|
|
Call = static_cast<FxVMFunctionCall *>(Call->Resolve(ctx));
|
|
|
|
ABORT(Call);
|
|
|
|
}
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
ExpEmit FxReturnStatement::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
// If we return nothing, use a regular RET opcode. If we return
|
|
|
|
// something, use TAIL to call the function. Our return type
|
|
|
|
// should be compatible with the called function's return type.
|
|
|
|
if (Call == NULL)
|
|
|
|
{
|
|
|
|
build->Emit(OP_RET, RET_FINAL, REGT_NIL, 0);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
Call->Emit(build, true);
|
|
|
|
}
|
|
|
|
return ExpEmit();
|
|
|
|
}
|
|
|
|
|
|
|
|
VMFunction *FxReturnStatement::GetDirectFunction()
|
|
|
|
{
|
|
|
|
// If this return statement calls a function with no arguments,
|
|
|
|
// then it can be a "direct" function. That is, the DECORATE
|
|
|
|
// definition can call that function directly without wrapping
|
|
|
|
// it inside VM code.
|
2016-04-20 02:09:15 +00:00
|
|
|
if (Call != NULL && Call->GetArgCount() == 0 && (Call->GetFunction()->Flags & VARF_Action))
|
2016-03-01 15:47:10 +00:00
|
|
|
{
|
|
|
|
return Call->GetVMFunction();
|
|
|
|
}
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxClassTypeCast::FxClassTypeCast(PClass *dtype, FxExpression *x)
|
|
|
|
: FxExpression(x->ScriptPosition)
|
|
|
|
{
|
|
|
|
desttype = dtype;
|
|
|
|
basex=x;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxClassTypeCast::~FxClassTypeCast()
|
|
|
|
{
|
|
|
|
SAFE_DELETE(basex);
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxExpression *FxClassTypeCast::Resolve(FCompileContext &ctx)
|
|
|
|
{
|
|
|
|
CHECKRESOLVED();
|
|
|
|
SAFE_RESOLVE(basex, ctx);
|
|
|
|
|
|
|
|
if (basex->ValueType != TypeName)
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "Cannot convert to class type");
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (basex->isConstant())
|
|
|
|
{
|
|
|
|
FName clsname = static_cast<FxConstant *>(basex)->GetValue().GetName();
|
|
|
|
PClass *cls = NULL;
|
|
|
|
|
|
|
|
if (clsname != NAME_None)
|
|
|
|
{
|
|
|
|
cls = PClass::FindClass(clsname);
|
|
|
|
if (cls == NULL)
|
|
|
|
{
|
|
|
|
/* lax */
|
|
|
|
// Since this happens in released WADs it must pass without a terminal error... :(
|
2016-06-08 08:56:11 +00:00
|
|
|
ScriptPosition.Message(MSG_OPTERROR,
|
2016-03-01 15:47:10 +00:00
|
|
|
"Unknown class name '%s'",
|
|
|
|
clsname.GetChars(), desttype->TypeName.GetChars());
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
if (!cls->IsDescendantOf(desttype))
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "class '%s' is not compatible with '%s'", clsname.GetChars(), desttype->TypeName.GetChars());
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
ScriptPosition.Message(MSG_DEBUG, "resolving '%s' as class name", clsname.GetChars());
|
|
|
|
}
|
|
|
|
}
|
|
|
|
FxExpression *x = new FxConstant(cls, ScriptPosition);
|
|
|
|
delete this;
|
|
|
|
return x;
|
|
|
|
}
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
int DecoNameToClass(VMFrameStack *stack, VMValue *param, int numparam, VMReturn *ret, int numret)
|
|
|
|
{
|
|
|
|
assert(numparam == 2);
|
|
|
|
assert(numret == 1);
|
|
|
|
assert(param[0].Type == REGT_INT);
|
|
|
|
assert(param[1].Type == REGT_POINTER);
|
|
|
|
assert(ret->RegType == REGT_POINTER);
|
|
|
|
|
|
|
|
FName clsname = ENamedName(param[0].i);
|
|
|
|
const PClass *cls = PClass::FindClass(clsname);
|
|
|
|
const PClass *desttype = reinterpret_cast<PClass *>(param[0].a);
|
|
|
|
|
|
|
|
if (!cls->IsDescendantOf(desttype))
|
|
|
|
{
|
|
|
|
Printf("class '%s' is not compatible with '%s'", clsname.GetChars(), desttype->TypeName.GetChars());
|
|
|
|
cls = NULL;
|
|
|
|
}
|
|
|
|
ret->SetPointer(const_cast<PClass *>(cls), ATAG_OBJECT);
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
ExpEmit FxClassTypeCast::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
if (basex->ValueType != TypeName)
|
|
|
|
{
|
|
|
|
return ExpEmit(build->GetConstantAddress(NULL, ATAG_OBJECT), REGT_POINTER, true);
|
|
|
|
}
|
|
|
|
ExpEmit clsname = basex->Emit(build);
|
|
|
|
assert(!clsname.Konst);
|
|
|
|
ExpEmit dest(build, REGT_POINTER);
|
|
|
|
build->Emit(OP_PARAM, 0, clsname.RegType, clsname.RegNum);
|
|
|
|
build->Emit(OP_PARAM, 0, REGT_POINTER | REGT_KONST, build->GetConstantAddress(const_cast<PClass *>(desttype), ATAG_OBJECT));
|
|
|
|
|
|
|
|
// Call the DecoNameToClass function to convert from 'name' to class.
|
|
|
|
VMFunction *callfunc;
|
|
|
|
PSymbol *sym = FindDecorateBuiltinFunction(NAME_DecoNameToClass, DecoNameToClass);
|
|
|
|
|
|
|
|
assert(sym->IsKindOf(RUNTIME_CLASS(PSymbolVMFunction)));
|
|
|
|
assert(((PSymbolVMFunction *)sym)->Function != NULL);
|
|
|
|
callfunc = ((PSymbolVMFunction *)sym)->Function;
|
|
|
|
|
|
|
|
build->Emit(OP_CALL_K, build->GetConstantAddress(callfunc, ATAG_OBJECT), 2, 1);
|
|
|
|
build->Emit(OP_RESULT, 0, REGT_POINTER, dest.RegNum);
|
|
|
|
clsname.Free(build);
|
|
|
|
return dest;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxExpression *FxStateByIndex::Resolve(FCompileContext &ctx)
|
|
|
|
{
|
|
|
|
CHECKRESOLVED();
|
|
|
|
if (ctx.cls->NumOwnedStates == 0)
|
|
|
|
{
|
|
|
|
// This can't really happen
|
|
|
|
assert(false);
|
|
|
|
}
|
|
|
|
if (ctx.cls->NumOwnedStates <= index)
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "%s: Attempt to jump to non existing state index %d",
|
|
|
|
ctx.cls->TypeName.GetChars(), index);
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
FxExpression *x = new FxConstant(ctx.cls->OwnedStates + index, ScriptPosition);
|
|
|
|
delete this;
|
|
|
|
return x;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxMultiNameState::FxMultiNameState(const char *_statestring, const FScriptPosition &pos)
|
|
|
|
:FxExpression(pos)
|
|
|
|
{
|
|
|
|
FName scopename;
|
|
|
|
FString statestring = _statestring;
|
|
|
|
int scopeindex = statestring.IndexOf("::");
|
|
|
|
|
|
|
|
if (scopeindex >= 0)
|
|
|
|
{
|
|
|
|
scopename = FName(statestring, scopeindex, false);
|
|
|
|
statestring = statestring.Right(statestring.Len() - scopeindex - 2);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
scopename = NULL;
|
|
|
|
}
|
|
|
|
names = MakeStateNameList(statestring);
|
|
|
|
names.Insert(0, scopename);
|
|
|
|
scope = NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxExpression *FxMultiNameState::Resolve(FCompileContext &ctx)
|
|
|
|
{
|
|
|
|
CHECKRESOLVED();
|
|
|
|
if (names[0] == NAME_None)
|
|
|
|
{
|
|
|
|
scope = NULL;
|
|
|
|
}
|
|
|
|
else if (names[0] == NAME_Super)
|
|
|
|
{
|
|
|
|
scope = dyn_cast<PClassActor>(ctx.cls->ParentClass);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
scope = PClass::FindActor(names[0]);
|
|
|
|
if (scope == NULL)
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "Unknown class '%s' in state label", names[0].GetChars());
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
else if (!scope->IsDescendantOf(ctx.cls))
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "'%s' is not an ancestor of '%s'", names[0].GetChars(),ctx.cls->TypeName.GetChars());
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (scope != NULL)
|
|
|
|
{
|
|
|
|
FState *destination = NULL;
|
|
|
|
// If the label is class specific we can resolve it right here
|
|
|
|
if (names[1] != NAME_None)
|
|
|
|
{
|
|
|
|
destination = scope->FindState(names.Size()-1, &names[1], false);
|
|
|
|
if (destination == NULL)
|
|
|
|
{
|
2016-06-08 08:56:11 +00:00
|
|
|
ScriptPosition.Message(MSG_OPTERROR, "Unknown state jump destination");
|
2016-03-01 15:47:10 +00:00
|
|
|
/* lax */
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
FxExpression *x = new FxConstant(destination, ScriptPosition);
|
|
|
|
delete this;
|
|
|
|
return x;
|
|
|
|
}
|
|
|
|
names.Delete(0);
|
|
|
|
names.ShrinkToFit();
|
|
|
|
ValueType = TypeState;
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
static int DoFindState(VMFrameStack *stack, VMValue *param, int numparam, VMReturn *ret, FName *names, int numnames)
|
|
|
|
{
|
|
|
|
PARAM_OBJECT_AT(0, self, AActor);
|
|
|
|
FState *state = self->GetClass()->FindState(numparam - 1, names);
|
|
|
|
if (state == NULL)
|
|
|
|
{
|
|
|
|
const char *dot = "";
|
|
|
|
Printf("Jump target '");
|
|
|
|
for (int i = 0; i < numparam - 1; i++)
|
|
|
|
{
|
|
|
|
Printf("%s%s", dot, names[i].GetChars());
|
|
|
|
dot = ".";
|
|
|
|
}
|
|
|
|
Printf("' not found in %s\n", self->GetClass()->TypeName.GetChars());
|
|
|
|
}
|
|
|
|
ret->SetPointer(state, ATAG_STATE);
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Find a state with any number of dots in its name.
|
|
|
|
int DecoFindMultiNameState(VMFrameStack *stack, VMValue *param, int numparam, VMReturn *ret, int numret)
|
|
|
|
{
|
|
|
|
assert(numparam > 1);
|
|
|
|
assert(numret == 1);
|
|
|
|
assert(ret->RegType == REGT_POINTER);
|
|
|
|
|
|
|
|
FName *names = (FName *)alloca((numparam - 1) * sizeof(FName));
|
|
|
|
for (int i = 1; i < numparam; ++i)
|
|
|
|
{
|
|
|
|
PARAM_NAME_AT(i, zaname);
|
|
|
|
names[i - 1] = zaname;
|
|
|
|
}
|
|
|
|
return DoFindState(stack, param, numparam, ret, names, numparam - 1);
|
|
|
|
}
|
|
|
|
|
|
|
|
// Find a state without any dots in its name.
|
|
|
|
int DecoFindSingleNameState(VMFrameStack *stack, VMValue *param, int numparam, VMReturn *ret, int numret)
|
|
|
|
{
|
|
|
|
assert(numparam == 2);
|
|
|
|
assert(numret == 1);
|
|
|
|
assert(ret->RegType == REGT_POINTER);
|
|
|
|
|
|
|
|
PARAM_NAME_AT(1, zaname);
|
|
|
|
return DoFindState(stack, param, numparam, ret, &zaname, 1);
|
|
|
|
}
|
|
|
|
|
|
|
|
ExpEmit FxMultiNameState::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
ExpEmit dest(build, REGT_POINTER);
|
|
|
|
build->Emit(OP_PARAM, 0, REGT_POINTER, 1); // pass stateowner
|
|
|
|
for (unsigned i = 0; i < names.Size(); ++i)
|
|
|
|
{
|
|
|
|
build->EmitParamInt(names[i]);
|
|
|
|
}
|
|
|
|
|
|
|
|
// For one name, use the DecoFindSingleNameState function. For more than
|
|
|
|
// one name, use the DecoFindMultiNameState function.
|
|
|
|
VMFunction *callfunc;
|
|
|
|
PSymbol *sym;
|
|
|
|
|
|
|
|
if (names.Size() == 1)
|
|
|
|
{
|
|
|
|
sym = FindDecorateBuiltinFunction(NAME_DecoFindSingleNameState, DecoFindSingleNameState);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
sym = FindDecorateBuiltinFunction(NAME_DecoFindMultiNameState, DecoFindMultiNameState);
|
|
|
|
}
|
|
|
|
|
|
|
|
assert(sym->IsKindOf(RUNTIME_CLASS(PSymbolVMFunction)));
|
|
|
|
assert(((PSymbolVMFunction *)sym)->Function != NULL);
|
|
|
|
callfunc = ((PSymbolVMFunction *)sym)->Function;
|
|
|
|
|
|
|
|
build->Emit(OP_CALL_K, build->GetConstantAddress(callfunc, ATAG_OBJECT), names.Size() + 1, 1);
|
|
|
|
build->Emit(OP_RESULT, 0, REGT_POINTER, dest.RegNum);
|
|
|
|
return dest;
|
|
|
|
}
|
|
|
|
|
|
|
|
//==========================================================================
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//
|
|
|
|
//==========================================================================
|
|
|
|
|
|
|
|
FxDamageValue::FxDamageValue(FxExpression *v, bool calc)
|
|
|
|
: FxExpression(v->ScriptPosition)
|
|
|
|
{
|
|
|
|
val = v;
|
|
|
|
ValueType = TypeVoid;
|
|
|
|
Calculated = calc;
|
|
|
|
MyFunction = NULL;
|
|
|
|
|
|
|
|
if (!calc)
|
|
|
|
{
|
|
|
|
assert(v->isConstant() && "Non-calculated damage must be constant");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
FxDamageValue::~FxDamageValue()
|
|
|
|
{
|
|
|
|
SAFE_DELETE(val);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
FxExpression *FxDamageValue::Resolve(FCompileContext &ctx)
|
|
|
|
{
|
|
|
|
CHECKRESOLVED();
|
|
|
|
SAFE_RESOLVE(val, ctx)
|
|
|
|
|
|
|
|
if (!val->IsNumeric())
|
|
|
|
{
|
|
|
|
ScriptPosition.Message(MSG_ERROR, "Numeric type expected");
|
|
|
|
delete this;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
|
|
// This is a highly-specialized "expression" type that emits a complete function.
|
|
|
|
ExpEmit FxDamageValue::Emit(VMFunctionBuilder *build)
|
|
|
|
{
|
|
|
|
if (val->isConstant())
|
|
|
|
{
|
|
|
|
build->EmitRetInt(0, false, static_cast<FxConstant *>(val)->GetValue().Int);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
ExpEmit emitval = val->Emit(build);
|
|
|
|
assert(emitval.RegType == REGT_INT);
|
|
|
|
build->Emit(OP_RET, 0, REGT_INT | (emitval.Konst ? REGT_KONST : 0), emitval.RegNum);
|
|
|
|
}
|
|
|
|
build->Emit(OP_RETI, 1 | RET_FINAL, Calculated);
|
|
|
|
|
|
|
|
return ExpEmit();
|
|
|
|
}
|