mirror of
https://github.com/ZDoom/raze-gles.git
synced 2024-12-27 20:20:40 +00:00
2020 lines
44 KiB
C++
2020 lines
44 KiB
C++
/*
|
|
** vmexec.h
|
|
** VM bytecode interpreter
|
|
**
|
|
**---------------------------------------------------------------------------
|
|
** Copyright -2016 Randy Heit
|
|
** Copyright 2016-2017 Christoph Oelckers
|
|
** All rights reserved.
|
|
**
|
|
** Redistribution and use in source and binary forms, with or without
|
|
** modification, are permitted provided that the following conditions
|
|
** are met:
|
|
**
|
|
** 1. Redistributions of source code must retain the above copyright
|
|
** notice, this list of conditions and the following disclaimer.
|
|
** 2. Redistributions in binary form must reproduce the above copyright
|
|
** notice, this list of conditions and the following disclaimer in the
|
|
** documentation and/or other materials provided with the distribution.
|
|
** 3. The name of the author may not be used to endorse or promote products
|
|
** derived from this software without specific prior written permission.
|
|
**
|
|
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
**---------------------------------------------------------------------------
|
|
**
|
|
*/
|
|
|
|
#ifndef IMPLEMENT_VMEXEC
|
|
#error vmexec.h must not be #included outside vmexec.cpp. Use vm.h instead.
|
|
#endif
|
|
|
|
static int ExecScriptFunc(VMFrameStack *stack, VMReturn *ret, int numret)
|
|
{
|
|
#if COMPGOTO
|
|
static void * const ops[256] =
|
|
{
|
|
#define xx(op,sym,mode,alt,kreg,ktype) &&op,
|
|
#include "vmops.h"
|
|
};
|
|
#endif
|
|
//const VMOP *exception_frames[MAX_TRY_DEPTH];
|
|
//int try_depth = 0;
|
|
VMFrame *f = stack->TopFrame();
|
|
VMScriptFunction *sfunc = static_cast<VMScriptFunction *>(f->Func);
|
|
const int *konstd = sfunc->KonstD;
|
|
const double *konstf = sfunc->KonstF;
|
|
const FString *konsts = sfunc->KonstS;
|
|
const FVoidObj *konsta = sfunc->KonstA;
|
|
const VMOP *pc = sfunc->Code;
|
|
|
|
assert(!(f->Func->VarFlags & VARF_Native) && "Only script functions should ever reach VMExec");
|
|
|
|
const VMRegisters reg(f);
|
|
|
|
void *ptr;
|
|
double fb, fc;
|
|
const double *fbp, *fcp;
|
|
int a, b, c;
|
|
|
|
//begin:
|
|
try
|
|
{
|
|
#if !COMPGOTO
|
|
VM_UBYTE op;
|
|
for(;;) switch(op = pc->op, a = pc->a, op)
|
|
#else
|
|
pc--;
|
|
NEXTOP;
|
|
#endif
|
|
{
|
|
#if !COMPGOTO
|
|
default:
|
|
assert(0 && "Undefined opcode hit");
|
|
NEXTOP;
|
|
#endif
|
|
OP(LI):
|
|
ASSERTD(a);
|
|
reg.d[a] = BCs;
|
|
NEXTOP;
|
|
OP(LK):
|
|
ASSERTD(a); ASSERTKD(BC);
|
|
reg.d[a] = konstd[BC];
|
|
NEXTOP;
|
|
OP(LKF):
|
|
ASSERTF(a); ASSERTKF(BC);
|
|
reg.f[a] = konstf[BC];
|
|
NEXTOP;
|
|
OP(LKS):
|
|
ASSERTS(a); ASSERTKS(BC);
|
|
reg.s[a] = konsts[BC];
|
|
NEXTOP;
|
|
OP(LKP):
|
|
ASSERTA(a); ASSERTKA(BC);
|
|
reg.a[a] = konsta[BC].v;
|
|
NEXTOP;
|
|
|
|
OP(LK_R) :
|
|
ASSERTD(a); ASSERTD(B);
|
|
reg.d[a] = konstd[reg.d[B] + C];
|
|
NEXTOP;
|
|
OP(LKF_R) :
|
|
ASSERTF(a); ASSERTD(B);
|
|
reg.f[a] = konstf[reg.d[B] + C];
|
|
NEXTOP;
|
|
OP(LKS_R) :
|
|
ASSERTS(a); ASSERTD(B);
|
|
reg.s[a] = konsts[reg.d[B] + C];
|
|
NEXTOP;
|
|
OP(LKP_R) :
|
|
ASSERTA(a); ASSERTD(B);
|
|
b = reg.d[B] + C;
|
|
reg.a[a] = konsta[b].v;
|
|
NEXTOP;
|
|
|
|
OP(LFP):
|
|
ASSERTA(a); assert(sfunc != NULL); assert(sfunc->ExtraSpace > 0);
|
|
reg.a[a] = f->GetExtra();
|
|
NEXTOP;
|
|
|
|
OP(CLSS):
|
|
{
|
|
ASSERTA(a); ASSERTA(B);
|
|
DObject *o = (DObject*)reg.a[B];
|
|
if (o == nullptr)
|
|
{
|
|
ThrowAbortException(X_READ_NIL, nullptr);
|
|
return 0;
|
|
}
|
|
reg.a[a] = o->GetClass();
|
|
NEXTOP;
|
|
}
|
|
|
|
OP(META):
|
|
{
|
|
ASSERTA(a); ASSERTA(B);
|
|
DObject *o = (DObject*)reg.a[B];
|
|
if (o == nullptr)
|
|
{
|
|
ThrowAbortException(X_READ_NIL, nullptr);
|
|
return 0;
|
|
}
|
|
reg.a[a] = o->GetClass()->Meta;
|
|
NEXTOP;
|
|
}
|
|
|
|
OP(LB):
|
|
ASSERTD(a); ASSERTA(B); ASSERTKD(C);
|
|
GETADDR(PB,KC,X_READ_NIL);
|
|
reg.d[a] = *(VM_SBYTE *)ptr;
|
|
NEXTOP;
|
|
OP(LB_R):
|
|
ASSERTD(a); ASSERTA(B); ASSERTD(C);
|
|
GETADDR(PB,RC,X_READ_NIL);
|
|
reg.d[a] = *(VM_SBYTE *)ptr;
|
|
NEXTOP;
|
|
OP(LH):
|
|
ASSERTD(a); ASSERTA(B); ASSERTKD(C);
|
|
GETADDR(PB,KC,X_READ_NIL);
|
|
reg.d[a] = *(VM_SHALF *)ptr;
|
|
NEXTOP;
|
|
OP(LH_R):
|
|
ASSERTD(a); ASSERTA(B); ASSERTD(C);
|
|
GETADDR(PB,RC,X_READ_NIL);
|
|
reg.d[a] = *(VM_SHALF *)ptr;
|
|
NEXTOP;
|
|
OP(LW):
|
|
ASSERTD(a); ASSERTA(B); ASSERTKD(C);
|
|
GETADDR(PB,KC,X_READ_NIL);
|
|
reg.d[a] = *(VM_SWORD *)ptr;
|
|
NEXTOP;
|
|
OP(LW_R):
|
|
ASSERTD(a); ASSERTA(B); ASSERTD(C);
|
|
GETADDR(PB,RC,X_READ_NIL);
|
|
reg.d[a] = *(VM_SWORD *)ptr;
|
|
NEXTOP;
|
|
OP(LBU):
|
|
ASSERTD(a); ASSERTA(B); ASSERTKD(C);
|
|
GETADDR(PB,KC,X_READ_NIL);
|
|
reg.d[a] = *(VM_UBYTE *)ptr;
|
|
NEXTOP;
|
|
OP(LBU_R):
|
|
ASSERTD(a); ASSERTA(B); ASSERTD(C);
|
|
GETADDR(PB,RC,X_READ_NIL);
|
|
reg.d[a] = *(VM_UBYTE *)ptr;
|
|
NEXTOP;
|
|
OP(LHU):
|
|
ASSERTD(a); ASSERTA(B); ASSERTKD(C);
|
|
GETADDR(PB,KC,X_READ_NIL);
|
|
reg.d[a] = *(VM_UHALF *)ptr;
|
|
NEXTOP;
|
|
OP(LHU_R):
|
|
ASSERTD(a); ASSERTA(B); ASSERTD(C);
|
|
GETADDR(PB,RC,X_READ_NIL);
|
|
reg.d[a] = *(VM_UHALF *)ptr;
|
|
NEXTOP;
|
|
|
|
OP(LSP):
|
|
ASSERTF(a); ASSERTA(B); ASSERTKD(C);
|
|
GETADDR(PB,KC,X_READ_NIL);
|
|
reg.f[a] = *(float *)ptr;
|
|
NEXTOP;
|
|
OP(LSP_R):
|
|
ASSERTF(a); ASSERTA(B); ASSERTD(C);
|
|
GETADDR(PB,RC,X_READ_NIL);
|
|
reg.f[a] = *(float *)ptr;
|
|
NEXTOP;
|
|
OP(LDP):
|
|
ASSERTF(a); ASSERTA(B); ASSERTKD(C);
|
|
GETADDR(PB,KC,X_READ_NIL);
|
|
reg.f[a] = *(double *)ptr;
|
|
NEXTOP;
|
|
OP(LDP_R):
|
|
ASSERTF(a); ASSERTA(B); ASSERTD(C);
|
|
GETADDR(PB,RC,X_READ_NIL);
|
|
reg.f[a] = *(double *)ptr;
|
|
NEXTOP;
|
|
|
|
OP(LS):
|
|
ASSERTS(a); ASSERTA(B); ASSERTKD(C);
|
|
GETADDR(PB,KC,X_READ_NIL);
|
|
reg.s[a] = *(FString *)ptr;
|
|
NEXTOP;
|
|
OP(LS_R):
|
|
ASSERTS(a); ASSERTA(B); ASSERTD(C);
|
|
GETADDR(PB,RC,X_READ_NIL);
|
|
reg.s[a] = *(FString *)ptr;
|
|
NEXTOP;
|
|
OP(LCS):
|
|
ASSERTS(a); ASSERTA(B); ASSERTKD(C);
|
|
GETADDR(PB,KC,X_READ_NIL);
|
|
reg.s[a] = *(const char **)ptr;
|
|
NEXTOP;
|
|
OP(LCS_R):
|
|
ASSERTS(a); ASSERTA(B); ASSERTD(C);
|
|
GETADDR(PB,RC,X_READ_NIL);
|
|
reg.s[a] = *(const char **)ptr;
|
|
NEXTOP;
|
|
OP(LO):
|
|
ASSERTA(a); ASSERTA(B); ASSERTKD(C);
|
|
GETADDR(PB,KC,X_READ_NIL);
|
|
reg.a[a] = GC::ReadBarrier(*(DObject **)ptr);
|
|
NEXTOP;
|
|
OP(LO_R):
|
|
ASSERTA(a); ASSERTA(B); ASSERTD(C);
|
|
GETADDR(PB,RC,X_READ_NIL);
|
|
reg.a[a] = GC::ReadBarrier(*(DObject **)ptr);
|
|
NEXTOP;
|
|
OP(LP):
|
|
ASSERTA(a); ASSERTA(B); ASSERTKD(C);
|
|
GETADDR(PB,KC,X_READ_NIL);
|
|
reg.a[a] = *(void **)ptr;
|
|
NEXTOP;
|
|
OP(LP_R):
|
|
ASSERTA(a); ASSERTA(B); ASSERTD(C);
|
|
GETADDR(PB,RC,X_READ_NIL);
|
|
reg.a[a] = *(void **)ptr;
|
|
NEXTOP;
|
|
OP(LV2):
|
|
ASSERTF(a+1); ASSERTA(B); ASSERTKD(C);
|
|
GETADDR(PB,KC,X_READ_NIL);
|
|
{
|
|
auto v = (double *)ptr;
|
|
reg.f[a] = v[0];
|
|
reg.f[a+1] = v[1];
|
|
}
|
|
NEXTOP;
|
|
OP(LV2_R):
|
|
ASSERTF(a+1); ASSERTA(B); ASSERTD(C);
|
|
GETADDR(PB,RC,X_READ_NIL);
|
|
{
|
|
auto v = (double *)ptr;
|
|
reg.f[a] = v[0];
|
|
reg.f[a+1] = v[1];
|
|
}
|
|
NEXTOP;
|
|
OP(LV3):
|
|
ASSERTF(a+2); ASSERTA(B); ASSERTKD(C);
|
|
GETADDR(PB,KC,X_READ_NIL);
|
|
{
|
|
auto v = (double *)ptr;
|
|
reg.f[a] = v[0];
|
|
reg.f[a+1] = v[1];
|
|
reg.f[a+2] = v[2];
|
|
}
|
|
NEXTOP;
|
|
OP(LV3_R):
|
|
ASSERTF(a+2); ASSERTA(B); ASSERTD(C);
|
|
GETADDR(PB,RC,X_READ_NIL);
|
|
{
|
|
auto v = (double *)ptr;
|
|
reg.f[a] = v[0];
|
|
reg.f[a+1] = v[1];
|
|
reg.f[a+2] = v[2];
|
|
}
|
|
NEXTOP;
|
|
OP(LBIT):
|
|
ASSERTD(a); ASSERTA(B);
|
|
GETADDR(PB,0,X_READ_NIL);
|
|
reg.d[a] = !!(*(VM_UBYTE *)ptr & C);
|
|
NEXTOP;
|
|
|
|
OP(SB):
|
|
ASSERTA(a); ASSERTD(B); ASSERTKD(C);
|
|
GETADDR(PA,KC,X_WRITE_NIL);
|
|
*(VM_SBYTE *)ptr = reg.d[B];
|
|
NEXTOP;
|
|
OP(SB_R):
|
|
ASSERTA(a); ASSERTD(B); ASSERTD(C);
|
|
GETADDR(PA,RC,X_WRITE_NIL);
|
|
*(VM_SBYTE *)ptr = reg.d[B];
|
|
NEXTOP;
|
|
OP(SH):
|
|
ASSERTA(a); ASSERTD(B); ASSERTKD(C);
|
|
GETADDR(PA,KC,X_WRITE_NIL);
|
|
*(VM_SHALF *)ptr = reg.d[B];
|
|
NEXTOP;
|
|
OP(SH_R):
|
|
ASSERTA(a); ASSERTD(B); ASSERTD(C);
|
|
GETADDR(PA,RC,X_WRITE_NIL);
|
|
*(VM_SHALF *)ptr = reg.d[B];
|
|
NEXTOP;
|
|
OP(SW):
|
|
ASSERTA(a); ASSERTD(B); ASSERTKD(C);
|
|
GETADDR(PA,KC,X_WRITE_NIL);
|
|
*(VM_SWORD *)ptr = reg.d[B];
|
|
NEXTOP;
|
|
OP(SW_R):
|
|
ASSERTA(a); ASSERTD(B); ASSERTD(C);
|
|
GETADDR(PA,RC,X_WRITE_NIL);
|
|
*(VM_SWORD *)ptr = reg.d[B];
|
|
NEXTOP;
|
|
OP(SSP):
|
|
ASSERTA(a); ASSERTF(B); ASSERTKD(C);
|
|
GETADDR(PA,KC,X_WRITE_NIL);
|
|
*(float *)ptr = (float)reg.f[B];
|
|
NEXTOP;
|
|
OP(SSP_R):
|
|
ASSERTA(a); ASSERTF(B); ASSERTD(C);
|
|
GETADDR(PA,RC,X_WRITE_NIL);
|
|
*(float *)ptr = (float)reg.f[B];
|
|
NEXTOP;
|
|
OP(SDP):
|
|
ASSERTA(a); ASSERTF(B); ASSERTKD(C);
|
|
GETADDR(PA,KC,X_WRITE_NIL);
|
|
*(double *)ptr = reg.f[B];
|
|
NEXTOP;
|
|
OP(SDP_R):
|
|
ASSERTA(a); ASSERTF(B); ASSERTD(C);
|
|
GETADDR(PA,RC,X_WRITE_NIL);
|
|
*(double *)ptr = reg.f[B];
|
|
NEXTOP;
|
|
OP(SS):
|
|
ASSERTA(a); ASSERTS(B); ASSERTKD(C);
|
|
GETADDR(PA,KC,X_WRITE_NIL);
|
|
#ifdef _DEBUG
|
|
// Should never happen, if it does it indicates a compiler side problem.
|
|
if (((FString*)ptr)->GetChars() == nullptr) ThrowAbortException(X_OTHER, "Uninitialized string");
|
|
#endif
|
|
*(FString *)ptr = reg.s[B];
|
|
NEXTOP;
|
|
OP(SS_R):
|
|
ASSERTA(a); ASSERTS(B); ASSERTD(C);
|
|
GETADDR(PA,RC,X_WRITE_NIL);
|
|
*(FString *)ptr = reg.s[B];
|
|
NEXTOP;
|
|
OP(SP):
|
|
ASSERTA(a); ASSERTA(B); ASSERTKD(C);
|
|
GETADDR(PA,KC,X_WRITE_NIL);
|
|
*(void **)ptr = reg.a[B];
|
|
NEXTOP;
|
|
OP(SP_R):
|
|
ASSERTA(a); ASSERTA(B); ASSERTD(C);
|
|
GETADDR(PA,RC,X_WRITE_NIL);
|
|
*(void **)ptr = reg.a[B];
|
|
NEXTOP;
|
|
OP(SO):
|
|
ASSERTA(a); ASSERTA(B); ASSERTKD(C);
|
|
GETADDR(PA,KC,X_WRITE_NIL);
|
|
*(void **)ptr = reg.a[B];
|
|
GC::WriteBarrier((DObject*)*(void **)ptr);
|
|
NEXTOP;
|
|
OP(SO_R):
|
|
ASSERTA(a); ASSERTA(B); ASSERTD(C);
|
|
GETADDR(PA,RC,X_WRITE_NIL);
|
|
GC::WriteBarrier((DObject*)*(void **)ptr);
|
|
NEXTOP;
|
|
OP(SV2):
|
|
ASSERTA(a); ASSERTF(B+1); ASSERTKD(C);
|
|
GETADDR(PA,KC,X_WRITE_NIL);
|
|
{
|
|
auto v = (double *)ptr;
|
|
v[0] = reg.f[B];
|
|
v[1] = reg.f[B+1];
|
|
}
|
|
NEXTOP;
|
|
OP(SV2_R):
|
|
ASSERTA(a); ASSERTF(B+1); ASSERTD(C);
|
|
GETADDR(PA,RC,X_WRITE_NIL);
|
|
{
|
|
auto v = (double *)ptr;
|
|
v[0] = reg.f[B];
|
|
v[1] = reg.f[B+1];
|
|
}
|
|
NEXTOP;
|
|
OP(SV3):
|
|
ASSERTA(a); ASSERTF(B+2); ASSERTKD(C);
|
|
GETADDR(PA,KC,X_WRITE_NIL);
|
|
{
|
|
auto v = (double *)ptr;
|
|
v[0] = reg.f[B];
|
|
v[1] = reg.f[B+1];
|
|
v[2] = reg.f[B+2];
|
|
}
|
|
NEXTOP;
|
|
OP(SV3_R):
|
|
ASSERTA(a); ASSERTF(B+2); ASSERTD(C);
|
|
GETADDR(PA,RC,X_WRITE_NIL);
|
|
{
|
|
auto v = (double *)ptr;
|
|
v[0] = reg.f[B];
|
|
v[1] = reg.f[B+1];
|
|
v[2] = reg.f[B+2];
|
|
}
|
|
NEXTOP;
|
|
OP(SBIT):
|
|
ASSERTA(a); ASSERTD(B);
|
|
GETADDR(PA,0,X_WRITE_NIL);
|
|
if (reg.d[B])
|
|
{
|
|
*(VM_UBYTE *)ptr |= C;
|
|
}
|
|
else
|
|
{
|
|
*(VM_UBYTE *)ptr &= ~C;
|
|
}
|
|
NEXTOP;
|
|
|
|
OP(MOVE):
|
|
ASSERTD(a); ASSERTD(B);
|
|
reg.d[a] = reg.d[B];
|
|
NEXTOP;
|
|
OP(MOVEF):
|
|
ASSERTF(a); ASSERTF(B);
|
|
reg.f[a] = reg.f[B];
|
|
NEXTOP;
|
|
OP(MOVES):
|
|
ASSERTS(a); ASSERTS(B);
|
|
reg.s[a] = reg.s[B];
|
|
NEXTOP;
|
|
OP(MOVEA):
|
|
{
|
|
ASSERTA(a); ASSERTA(B);
|
|
b = B;
|
|
reg.a[a] = reg.a[b];
|
|
NEXTOP;
|
|
}
|
|
OP(MOVEV2):
|
|
{
|
|
ASSERTF(a); ASSERTF(B);
|
|
b = B;
|
|
reg.f[a] = reg.f[b];
|
|
reg.f[a + 1] = reg.f[b + 1];
|
|
NEXTOP;
|
|
}
|
|
OP(MOVEV3):
|
|
{
|
|
ASSERTF(a); ASSERTF(B);
|
|
b = B;
|
|
reg.f[a] = reg.f[b];
|
|
reg.f[a + 1] = reg.f[b + 1];
|
|
reg.f[a + 2] = reg.f[b + 2];
|
|
NEXTOP;
|
|
}
|
|
OP(DYNCAST_R) :
|
|
ASSERTA(a); ASSERTA(B); ASSERTA(C);
|
|
b = B;
|
|
reg.a[a] = (reg.a[b] && ((DObject*)(reg.a[b]))->IsKindOf((PClass*)(reg.a[C]))) ? reg.a[b] : nullptr;
|
|
NEXTOP;
|
|
OP(DYNCAST_K) :
|
|
ASSERTA(a); ASSERTA(B); ASSERTKA(C);
|
|
b = B;
|
|
reg.a[a] = (reg.a[b] && ((DObject*)(reg.a[b]))->IsKindOf((PClass*)(konsta[C].o))) ? reg.a[b] : nullptr;
|
|
NEXTOP;
|
|
OP(DYNCASTC_R) :
|
|
ASSERTA(a); ASSERTA(B); ASSERTA(C);
|
|
b = B;
|
|
reg.a[a] = (reg.a[b] && ((PClass*)(reg.a[b]))->IsDescendantOf((PClass*)(reg.a[C]))) ? reg.a[b] : nullptr;
|
|
NEXTOP;
|
|
OP(DYNCASTC_K) :
|
|
ASSERTA(a); ASSERTA(B); ASSERTKA(C);
|
|
b = B;
|
|
reg.a[a] = (reg.a[b] && ((PClass*)(reg.a[b]))->IsDescendantOf((PClass*)(konsta[C].o))) ? reg.a[b] : nullptr;
|
|
NEXTOP;
|
|
OP(CAST):
|
|
if (C == CAST_I2F)
|
|
{
|
|
ASSERTF(a); ASSERTD(B);
|
|
reg.f[a] = reg.d[B];
|
|
}
|
|
else if (C == CAST_F2I)
|
|
{
|
|
ASSERTD(a); ASSERTF(B);
|
|
reg.d[a] = (int)reg.f[B];
|
|
}
|
|
else
|
|
{
|
|
DoCast(reg, f, a, B, C);
|
|
}
|
|
NEXTOP;
|
|
|
|
OP(CASTB):
|
|
if (C == CASTB_I)
|
|
{
|
|
ASSERTD(a); ASSERTD(B);
|
|
reg.d[a] = !!reg.d[B];
|
|
}
|
|
else if (C == CASTB_F)
|
|
{
|
|
ASSERTD(a); ASSERTF(B);
|
|
reg.d[a] = reg.f[B] != 0;
|
|
}
|
|
else if (C == CASTB_A)
|
|
{
|
|
ASSERTD(a); ASSERTA(B);
|
|
reg.d[a] = reg.a[B] != nullptr;
|
|
}
|
|
else
|
|
{
|
|
ASSERTD(a); ASSERTS(B);
|
|
reg.d[a] = reg.s[B].Len() > 0;
|
|
}
|
|
NEXTOP;
|
|
|
|
OP(TEST):
|
|
ASSERTD(a);
|
|
if (reg.d[a] != BC)
|
|
{
|
|
pc++;
|
|
}
|
|
NEXTOP;
|
|
OP(TESTN):
|
|
ASSERTD(a);
|
|
if (-reg.d[a] != BC)
|
|
{
|
|
pc++;
|
|
}
|
|
NEXTOP;
|
|
OP(JMP):
|
|
pc += JMPOFS(pc);
|
|
NEXTOP;
|
|
OP(IJMP):
|
|
ASSERTD(a);
|
|
pc += (reg.d[a]);
|
|
assert(pc[1].op == OP_JMP);
|
|
pc += 1 + JMPOFS(pc+1);
|
|
NEXTOP;
|
|
OP(PARAMI):
|
|
assert(f->NumParam < sfunc->MaxParam);
|
|
{
|
|
VMValue *param = ®.param[f->NumParam++];
|
|
::new(param) VMValue(ABCs);
|
|
}
|
|
NEXTOP;
|
|
OP(PARAM):
|
|
assert(f->NumParam < sfunc->MaxParam);
|
|
{
|
|
VMValue *param = ®.param[f->NumParam++];
|
|
b = BC;
|
|
if (a == REGT_NIL)
|
|
{
|
|
::new(param) VMValue();
|
|
}
|
|
else
|
|
{
|
|
switch(a)
|
|
{
|
|
case REGT_INT:
|
|
assert(b < f->NumRegD);
|
|
::new(param) VMValue(reg.d[b]);
|
|
break;
|
|
case REGT_INT | REGT_ADDROF:
|
|
assert(b < f->NumRegD);
|
|
::new(param) VMValue(®.d[b]);
|
|
break;
|
|
case REGT_INT | REGT_KONST:
|
|
assert(b < sfunc->NumKonstD);
|
|
::new(param) VMValue(konstd[b]);
|
|
break;
|
|
case REGT_STRING:
|
|
assert(b < f->NumRegS);
|
|
::new(param) VMValue(®.s[b]);
|
|
break;
|
|
case REGT_STRING | REGT_ADDROF:
|
|
assert(b < f->NumRegS);
|
|
::new(param) VMValue((void*)®.s[b]); // Note that this may not use the FString* version of the constructor!
|
|
break;
|
|
case REGT_STRING | REGT_KONST:
|
|
assert(b < sfunc->NumKonstS);
|
|
::new(param) VMValue(&konsts[b]);
|
|
break;
|
|
case REGT_POINTER:
|
|
assert(b < f->NumRegA);
|
|
::new(param) VMValue(reg.a[b]);
|
|
break;
|
|
case REGT_POINTER | REGT_ADDROF:
|
|
assert(b < f->NumRegA);
|
|
::new(param) VMValue(®.a[b]);
|
|
break;
|
|
case REGT_POINTER | REGT_KONST:
|
|
assert(b < sfunc->NumKonstA);
|
|
::new(param) VMValue(konsta[b].v);
|
|
break;
|
|
case REGT_FLOAT:
|
|
assert(b < f->NumRegF);
|
|
::new(param) VMValue(reg.f[b]);
|
|
break;
|
|
case REGT_FLOAT | REGT_MULTIREG2:
|
|
assert(b < f->NumRegF - 1);
|
|
assert(f->NumParam < sfunc->MaxParam);
|
|
::new(param) VMValue(reg.f[b]);
|
|
::new(param + 1) VMValue(reg.f[b + 1]);
|
|
f->NumParam++;
|
|
break;
|
|
case REGT_FLOAT | REGT_MULTIREG3:
|
|
assert(b < f->NumRegF - 2);
|
|
assert(f->NumParam < sfunc->MaxParam - 1);
|
|
::new(param) VMValue(reg.f[b]);
|
|
::new(param + 1) VMValue(reg.f[b + 1]);
|
|
::new(param + 2) VMValue(reg.f[b + 2]);
|
|
f->NumParam += 2;
|
|
break;
|
|
case REGT_FLOAT | REGT_ADDROF:
|
|
assert(b < f->NumRegF);
|
|
::new(param) VMValue(®.f[b]);
|
|
break;
|
|
case REGT_FLOAT | REGT_KONST:
|
|
assert(b < sfunc->NumKonstF);
|
|
::new(param) VMValue(konstf[b]);
|
|
break;
|
|
default:
|
|
assert(0);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
NEXTOP;
|
|
OP(VTBL):
|
|
ASSERTA(a); ASSERTA(B);
|
|
{
|
|
auto o = (DObject*)reg.a[B];
|
|
if (o == nullptr)
|
|
{
|
|
ThrowAbortException(X_READ_NIL, nullptr);
|
|
return 0;
|
|
}
|
|
auto p = o->GetClass();
|
|
assert(C < p->Virtuals.Size());
|
|
reg.a[a] = p->Virtuals[C];
|
|
}
|
|
NEXTOP;
|
|
OP(SCOPE):
|
|
{
|
|
ASSERTA(a); ASSERTKA(C);
|
|
auto o = (DObject*)reg.a[a];
|
|
if (o == nullptr)
|
|
{
|
|
ThrowAbortException(X_READ_NIL, nullptr);
|
|
return 0;
|
|
}
|
|
FScopeBarrier::ValidateCall(o->GetClass(), (VMFunction*)konsta[C].v, B - 1);
|
|
}
|
|
NEXTOP;
|
|
|
|
OP(CALL_K):
|
|
ASSERTKA(a);
|
|
ptr = konsta[a].o;
|
|
goto Do_CALL;
|
|
OP(CALL):
|
|
ASSERTA(a);
|
|
ptr = reg.a[a];
|
|
Do_CALL:
|
|
assert(B <= f->NumParam);
|
|
assert(C <= MAX_RETURNS);
|
|
{
|
|
VMFunction *call = (VMFunction *)ptr;
|
|
VMReturn returns[MAX_RETURNS];
|
|
int numret;
|
|
|
|
b = B;
|
|
FillReturns(reg, f, returns, pc+1, C);
|
|
if (call->VarFlags & VARF_Native)
|
|
{
|
|
try
|
|
{
|
|
VMCycles[0].Unclock();
|
|
numret = static_cast<VMNativeFunction *>(call)->NativeCall(VM_INVOKE(reg.param + f->NumParam - b, b, returns, C, call->RegTypes));
|
|
VMCycles[0].Clock();
|
|
}
|
|
catch (CVMAbortException &err)
|
|
{
|
|
err.MaybePrintMessage();
|
|
err.stacktrace.AppendFormat("Called from %s\n", call->PrintableName.GetChars());
|
|
// PrintParameters(reg.param + f->NumParam - B, B);
|
|
throw;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
auto sfunc = static_cast<VMScriptFunction *>(call);
|
|
numret = sfunc->ScriptCall(sfunc, reg.param + f->NumParam - b, b, returns, C);
|
|
}
|
|
assert(numret == C && "Number of parameters returned differs from what was expected by the caller");
|
|
f->NumParam -= B;
|
|
pc += C; // Skip RESULTs
|
|
}
|
|
NEXTOP;
|
|
OP(RET):
|
|
if (B == REGT_NIL)
|
|
{ // No return values
|
|
return 0;
|
|
}
|
|
assert(ret != NULL || numret == 0);
|
|
{
|
|
int retnum = a & ~RET_FINAL;
|
|
if (retnum < numret)
|
|
{
|
|
SetReturn(reg, f, &ret[retnum], B, C);
|
|
}
|
|
if (a & RET_FINAL)
|
|
{
|
|
return retnum < numret ? retnum + 1 : numret;
|
|
}
|
|
}
|
|
NEXTOP;
|
|
OP(RETI):
|
|
assert(ret != NULL || numret == 0);
|
|
{
|
|
int retnum = a & ~RET_FINAL;
|
|
if (retnum < numret)
|
|
{
|
|
ret[retnum].SetInt(BCs);
|
|
}
|
|
if (a & RET_FINAL)
|
|
{
|
|
return retnum < numret ? retnum + 1 : numret;
|
|
}
|
|
}
|
|
NEXTOP;
|
|
OP(RESULT):
|
|
// This instruction is just a placeholder to indicate where a return
|
|
// value should be stored. It does nothing on its own and should not
|
|
// be executed.
|
|
assert(0);
|
|
NEXTOP;
|
|
|
|
#if 0
|
|
OP(TRY):
|
|
assert(try_depth < MAX_TRY_DEPTH);
|
|
if (try_depth >= MAX_TRY_DEPTH)
|
|
{
|
|
ThrowAbortException(X_TOO_MANY_TRIES, nullptr);
|
|
}
|
|
assert((pc + JMPOFS(pc) + 1)->op == OP_CATCH);
|
|
exception_frames[try_depth++] = pc + JMPOFS(pc) + 1;
|
|
NEXTOP;
|
|
OP(UNTRY):
|
|
assert(a <= try_depth);
|
|
try_depth -= a;
|
|
NEXTOP;
|
|
#endif
|
|
OP(THROW):
|
|
#if 0
|
|
if (a == 0)
|
|
{
|
|
ASSERTA(B);
|
|
ThrowVMException((VMException *)reg.a[B]);
|
|
}
|
|
else if (a == 1)
|
|
{
|
|
ASSERTKA(B);
|
|
assert(AssertObject(konsta[B].o));
|
|
ThrowVMException((VMException *)konsta[B].o);
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
ThrowAbortException(EVMAbortException(BC), nullptr);
|
|
}
|
|
NEXTOP;
|
|
#if 0
|
|
OP(CATCH):
|
|
// This instruction is handled by our own catch handler and should
|
|
// not be executed by the normal VM code.
|
|
assert(0);
|
|
NEXTOP;
|
|
#endif
|
|
|
|
OP(BOUND):
|
|
if (reg.d[a] >= BC)
|
|
{
|
|
ThrowAbortException(X_ARRAY_OUT_OF_BOUNDS, "Size = %u, current index = %u\n", BC, reg.d[a]);
|
|
return 0;
|
|
}
|
|
else if (reg.d[a] < 0)
|
|
{
|
|
ThrowAbortException(X_ARRAY_OUT_OF_BOUNDS, "Negative current index = %i\n", reg.d[a]);
|
|
return 0;
|
|
}
|
|
NEXTOP;
|
|
|
|
OP(BOUND_K):
|
|
ASSERTKD(BC);
|
|
if (reg.d[a] >= konstd[BC])
|
|
{
|
|
ThrowAbortException(X_ARRAY_OUT_OF_BOUNDS, "Size = %u, current index = %u\n", konstd[BC], reg.d[a]);
|
|
return 0;
|
|
}
|
|
else if (reg.d[a] < 0)
|
|
{
|
|
ThrowAbortException(X_ARRAY_OUT_OF_BOUNDS, "Negative current index = %i\n", reg.d[a]);
|
|
return 0;
|
|
}
|
|
NEXTOP;
|
|
|
|
OP(BOUND_R):
|
|
ASSERTD(B);
|
|
if (reg.d[a] >= reg.d[B])
|
|
{
|
|
ThrowAbortException(X_ARRAY_OUT_OF_BOUNDS, "Size = %u, current index = %u\n", reg.d[B], reg.d[a]);
|
|
return 0;
|
|
}
|
|
else if (reg.d[a] < 0)
|
|
{
|
|
ThrowAbortException(X_ARRAY_OUT_OF_BOUNDS, "Negative current index = %i\n", reg.d[a]);
|
|
return 0;
|
|
}
|
|
NEXTOP;
|
|
|
|
OP(CONCAT):
|
|
ASSERTS(a); ASSERTS(B); ASSERTS(C);
|
|
reg.s[a] = reg.s[B] + reg.s[C];
|
|
NEXTOP;
|
|
OP(LENS):
|
|
ASSERTD(a); ASSERTS(B);
|
|
reg.d[a] = (int)reg.s[B].Len();
|
|
NEXTOP;
|
|
|
|
OP(CMPS):
|
|
// String comparison is a fairly expensive operation, so I've
|
|
// chosen to conserve a few opcodes by condensing all the
|
|
// string comparisons into a single one.
|
|
{
|
|
const FString *b, *c;
|
|
int test, method;
|
|
bool cmp;
|
|
|
|
if (a & CMP_BK)
|
|
{
|
|
ASSERTKS(B);
|
|
b = &konsts[B];
|
|
}
|
|
else
|
|
{
|
|
ASSERTS(B);
|
|
b = ®.s[B];
|
|
}
|
|
if (a & CMP_CK)
|
|
{
|
|
ASSERTKS(C);
|
|
c = &konsts[C];
|
|
}
|
|
else
|
|
{
|
|
ASSERTS(C);
|
|
c = ®.s[C];
|
|
}
|
|
test = (a & CMP_APPROX) ? b->CompareNoCase(*c) : b->Compare(*c);
|
|
method = a & CMP_METHOD_MASK;
|
|
if (method == CMP_EQ)
|
|
{
|
|
cmp = !test;
|
|
}
|
|
else if (method == CMP_LT)
|
|
{
|
|
cmp = (test < 0);
|
|
}
|
|
else
|
|
{
|
|
assert(method == CMP_LE);
|
|
cmp = (test <= 0);
|
|
}
|
|
if (cmp == (a & CMP_CHECK))
|
|
{
|
|
assert(pc[1].op == OP_JMP);
|
|
pc += 1 + JMPOFS(pc+1);
|
|
}
|
|
else
|
|
{
|
|
pc += 1;
|
|
}
|
|
}
|
|
NEXTOP;
|
|
|
|
OP(SLL_RR):
|
|
ASSERTD(a); ASSERTD(B); ASSERTD(C);
|
|
reg.d[a] = reg.d[B] << reg.d[C];
|
|
NEXTOP;
|
|
OP(SLL_RI):
|
|
ASSERTD(a); ASSERTD(B); assert(C <= 31);
|
|
reg.d[a] = reg.d[B] << C;
|
|
NEXTOP;
|
|
OP(SLL_KR):
|
|
ASSERTD(a); ASSERTKD(B); ASSERTD(C);
|
|
reg.d[a] = konstd[B] << reg.d[C];
|
|
NEXTOP;
|
|
|
|
OP(SRL_RR):
|
|
ASSERTD(a); ASSERTD(B); ASSERTD(C);
|
|
reg.d[a] = (unsigned)reg.d[B] >> reg.d[C];
|
|
NEXTOP;
|
|
OP(SRL_RI):
|
|
ASSERTD(a); ASSERTD(B); assert(C <= 31);
|
|
reg.d[a] = (unsigned)reg.d[B] >> C;
|
|
NEXTOP;
|
|
OP(SRL_KR):
|
|
ASSERTD(a); ASSERTKD(B); ASSERTD(C);
|
|
reg.d[a] = (unsigned)konstd[B] >> reg.d[C];
|
|
NEXTOP;
|
|
|
|
OP(SRA_RR):
|
|
ASSERTD(a); ASSERTD(B); ASSERTD(C);
|
|
reg.d[a] = reg.d[B] >> reg.d[C];
|
|
NEXTOP;
|
|
OP(SRA_RI):
|
|
ASSERTD(a); ASSERTD(B); assert(C <= 31);
|
|
reg.d[a] = reg.d[B] >> C;
|
|
NEXTOP;
|
|
OP(SRA_KR):
|
|
ASSERTD(a); ASSERTKD(B); ASSERTD(C);
|
|
reg.d[a] = konstd[B] >> reg.d[C];
|
|
NEXTOP;
|
|
|
|
OP(ADD_RR):
|
|
ASSERTD(a); ASSERTD(B); ASSERTD(C);
|
|
reg.d[a] = reg.d[B] + reg.d[C];
|
|
NEXTOP;
|
|
OP(ADD_RK):
|
|
ASSERTD(a); ASSERTD(B); ASSERTKD(C);
|
|
reg.d[a] = reg.d[B] + konstd[C];
|
|
NEXTOP;
|
|
OP(ADDI):
|
|
ASSERTD(a); ASSERTD(B);
|
|
reg.d[a] = reg.d[B] + Cs;
|
|
NEXTOP;
|
|
|
|
OP(SUB_RR):
|
|
ASSERTD(a); ASSERTD(B); ASSERTD(C);
|
|
reg.d[a] = reg.d[B] - reg.d[C];
|
|
NEXTOP;
|
|
OP(SUB_RK):
|
|
ASSERTD(a); ASSERTD(B); ASSERTKD(C);
|
|
reg.d[a] = reg.d[B] - konstd[C];
|
|
NEXTOP;
|
|
OP(SUB_KR):
|
|
ASSERTD(a); ASSERTKD(B); ASSERTD(C);
|
|
reg.d[a] = konstd[B] - reg.d[C];
|
|
NEXTOP;
|
|
|
|
OP(MUL_RR):
|
|
ASSERTD(a); ASSERTD(B); ASSERTD(C);
|
|
reg.d[a] = reg.d[B] * reg.d[C];
|
|
NEXTOP;
|
|
OP(MUL_RK):
|
|
ASSERTD(a); ASSERTD(B); ASSERTKD(C);
|
|
reg.d[a] = reg.d[B] * konstd[C];
|
|
NEXTOP;
|
|
|
|
OP(DIV_RR):
|
|
ASSERTD(a); ASSERTD(B); ASSERTD(C);
|
|
if (reg.d[C] == 0)
|
|
{
|
|
ThrowAbortException(X_DIVISION_BY_ZERO, nullptr);
|
|
return 0;
|
|
}
|
|
reg.d[a] = reg.d[B] / reg.d[C];
|
|
NEXTOP;
|
|
OP(DIV_RK):
|
|
ASSERTD(a); ASSERTD(B); ASSERTKD(C);
|
|
if (konstd[C] == 0)
|
|
{
|
|
ThrowAbortException(X_DIVISION_BY_ZERO, nullptr);
|
|
return 0;
|
|
}
|
|
reg.d[a] = reg.d[B] / konstd[C];
|
|
NEXTOP;
|
|
OP(DIV_KR):
|
|
ASSERTD(a); ASSERTKD(B); ASSERTD(C);
|
|
if (reg.d[C] == 0)
|
|
{
|
|
ThrowAbortException(X_DIVISION_BY_ZERO, nullptr);
|
|
return 0;
|
|
}
|
|
reg.d[a] = konstd[B] / reg.d[C];
|
|
NEXTOP;
|
|
|
|
OP(DIVU_RR):
|
|
ASSERTD(a); ASSERTD(B); ASSERTD(C);
|
|
if (reg.d[C] == 0)
|
|
{
|
|
ThrowAbortException(X_DIVISION_BY_ZERO, nullptr);
|
|
return 0;
|
|
}
|
|
reg.d[a] = int((unsigned)reg.d[B] / (unsigned)reg.d[C]);
|
|
NEXTOP;
|
|
OP(DIVU_RK):
|
|
ASSERTD(a); ASSERTD(B); ASSERTKD(C);
|
|
if (konstd[C] == 0)
|
|
{
|
|
ThrowAbortException(X_DIVISION_BY_ZERO, nullptr);
|
|
return 0;
|
|
}
|
|
reg.d[a] = int((unsigned)reg.d[B] / (unsigned)konstd[C]);
|
|
NEXTOP;
|
|
OP(DIVU_KR):
|
|
ASSERTD(a); ASSERTKD(B); ASSERTD(C);
|
|
if (reg.d[C] == 0)
|
|
{
|
|
ThrowAbortException(X_DIVISION_BY_ZERO, nullptr);
|
|
return 0;
|
|
}
|
|
reg.d[a] = int((unsigned)konstd[B] / (unsigned)reg.d[C]);
|
|
NEXTOP;
|
|
|
|
OP(MOD_RR):
|
|
ASSERTD(a); ASSERTD(B); ASSERTD(C);
|
|
if (reg.d[C] == 0)
|
|
{
|
|
ThrowAbortException(X_DIVISION_BY_ZERO, nullptr);
|
|
return 0;
|
|
}
|
|
reg.d[a] = reg.d[B] % reg.d[C];
|
|
NEXTOP;
|
|
OP(MOD_RK):
|
|
ASSERTD(a); ASSERTD(B); ASSERTKD(C);
|
|
if (konstd[C] == 0)
|
|
{
|
|
ThrowAbortException(X_DIVISION_BY_ZERO, nullptr);
|
|
return 0;
|
|
}
|
|
reg.d[a] = reg.d[B] % konstd[C];
|
|
NEXTOP;
|
|
OP(MOD_KR):
|
|
ASSERTD(a); ASSERTKD(B); ASSERTD(C);
|
|
if (reg.d[C] == 0)
|
|
{
|
|
ThrowAbortException(X_DIVISION_BY_ZERO, nullptr);
|
|
return 0;
|
|
}
|
|
reg.d[a] = konstd[B] % reg.d[C];
|
|
NEXTOP;
|
|
|
|
OP(MODU_RR):
|
|
ASSERTD(a); ASSERTD(B); ASSERTD(C);
|
|
if (reg.d[C] == 0)
|
|
{
|
|
ThrowAbortException(X_DIVISION_BY_ZERO, nullptr);
|
|
return 0;
|
|
}
|
|
reg.d[a] = int((unsigned)reg.d[B] % (unsigned)reg.d[C]);
|
|
NEXTOP;
|
|
OP(MODU_RK):
|
|
ASSERTD(a); ASSERTD(B); ASSERTKD(C);
|
|
if (konstd[C] == 0)
|
|
{
|
|
ThrowAbortException(X_DIVISION_BY_ZERO, nullptr);
|
|
return 0;
|
|
}
|
|
reg.d[a] = int((unsigned)reg.d[B] % (unsigned)konstd[C]);
|
|
NEXTOP;
|
|
OP(MODU_KR):
|
|
ASSERTD(a); ASSERTKD(B); ASSERTD(C);
|
|
if (reg.d[C] == 0)
|
|
{
|
|
ThrowAbortException(X_DIVISION_BY_ZERO, nullptr);
|
|
return 0;
|
|
}
|
|
reg.d[a] = int((unsigned)konstd[B] % (unsigned)reg.d[C]);
|
|
NEXTOP;
|
|
|
|
OP(AND_RR):
|
|
ASSERTD(a); ASSERTD(B); ASSERTD(C);
|
|
reg.d[a] = reg.d[B] & reg.d[C];
|
|
NEXTOP;
|
|
OP(AND_RK):
|
|
ASSERTD(a); ASSERTD(B); ASSERTKD(C);
|
|
reg.d[a] = reg.d[B] & konstd[C];
|
|
NEXTOP;
|
|
|
|
OP(OR_RR):
|
|
ASSERTD(a); ASSERTD(B); ASSERTD(C);
|
|
reg.d[a] = reg.d[B] | reg.d[C];
|
|
NEXTOP;
|
|
OP(OR_RK):
|
|
ASSERTD(a); ASSERTD(B); ASSERTKD(C);
|
|
reg.d[a] = reg.d[B] | konstd[C];
|
|
NEXTOP;
|
|
|
|
OP(XOR_RR):
|
|
ASSERTD(a); ASSERTD(B); ASSERTD(C);
|
|
reg.d[a] = reg.d[B] ^ reg.d[C];
|
|
NEXTOP;
|
|
OP(XOR_RK):
|
|
ASSERTD(a); ASSERTD(B); ASSERTKD(C);
|
|
reg.d[a] = reg.d[B] ^ konstd[C];
|
|
NEXTOP;
|
|
|
|
OP(MIN_RR):
|
|
ASSERTD(a); ASSERTD(B); ASSERTD(C);
|
|
reg.d[a] = reg.d[B] < reg.d[C] ? reg.d[B] : reg.d[C];
|
|
NEXTOP;
|
|
OP(MIN_RK):
|
|
ASSERTD(a); ASSERTD(B); ASSERTKD(C);
|
|
reg.d[a] = reg.d[B] < konstd[C] ? reg.d[B] : konstd[C];
|
|
NEXTOP;
|
|
OP(MAX_RR):
|
|
ASSERTD(a); ASSERTD(B); ASSERTD(C);
|
|
reg.d[a] = reg.d[B] > reg.d[C] ? reg.d[B] : reg.d[C];
|
|
NEXTOP;
|
|
OP(MAX_RK):
|
|
ASSERTD(a); ASSERTD(B); ASSERTKD(C);
|
|
reg.d[a] = reg.d[B] > konstd[C] ? reg.d[B] : konstd[C];
|
|
NEXTOP;
|
|
|
|
OP(MINU_RR) :
|
|
ASSERTD(a); ASSERTD(B); ASSERTD(C);
|
|
reg.d[a] = (unsigned)reg.d[B] < (unsigned)reg.d[C] ? reg.d[B] : reg.d[C];
|
|
NEXTOP;
|
|
OP(MINU_RK) :
|
|
ASSERTD(a); ASSERTD(B); ASSERTKD(C);
|
|
reg.d[a] = (unsigned)reg.d[B] < (unsigned)konstd[C] ? reg.d[B] : konstd[C];
|
|
NEXTOP;
|
|
OP(MAXU_RR) :
|
|
ASSERTD(a); ASSERTD(B); ASSERTD(C);
|
|
reg.d[a] = (unsigned)reg.d[B] > (unsigned)reg.d[C] ? reg.d[B] : reg.d[C];
|
|
NEXTOP;
|
|
OP(MAXU_RK) :
|
|
ASSERTD(a); ASSERTD(B); ASSERTKD(C);
|
|
reg.d[a] = (unsigned)reg.d[B] > (unsigned)konstd[C] ? reg.d[B] : konstd[C];
|
|
NEXTOP;
|
|
|
|
OP(ABS):
|
|
ASSERTD(a); ASSERTD(B);
|
|
reg.d[a] = abs(reg.d[B]);
|
|
NEXTOP;
|
|
|
|
OP(NEG):
|
|
ASSERTD(a); ASSERTD(B);
|
|
reg.d[a] = -reg.d[B];
|
|
NEXTOP;
|
|
|
|
OP(NOT):
|
|
ASSERTD(a); ASSERTD(B);
|
|
reg.d[a] = ~reg.d[B];
|
|
NEXTOP;
|
|
|
|
OP(EQ_R):
|
|
ASSERTD(B); ASSERTD(C);
|
|
CMPJMP(reg.d[B] == reg.d[C]);
|
|
NEXTOP;
|
|
OP(EQ_K):
|
|
ASSERTD(B); ASSERTKD(C);
|
|
CMPJMP(reg.d[B] == konstd[C]);
|
|
NEXTOP;
|
|
OP(LT_RR):
|
|
ASSERTD(B); ASSERTD(C);
|
|
CMPJMP(reg.d[B] < reg.d[C]);
|
|
NEXTOP;
|
|
OP(LT_RK):
|
|
ASSERTD(B); ASSERTKD(C);
|
|
CMPJMP(reg.d[B] < konstd[C]);
|
|
NEXTOP;
|
|
OP(LT_KR):
|
|
ASSERTKD(B); ASSERTD(C);
|
|
CMPJMP(konstd[B] < reg.d[C]);
|
|
NEXTOP;
|
|
OP(LE_RR):
|
|
ASSERTD(B); ASSERTD(C);
|
|
CMPJMP(reg.d[B] <= reg.d[C]);
|
|
NEXTOP;
|
|
OP(LE_RK):
|
|
ASSERTD(B); ASSERTKD(C);
|
|
CMPJMP(reg.d[B] <= konstd[C]);
|
|
NEXTOP;
|
|
OP(LE_KR):
|
|
ASSERTKD(B); ASSERTD(C);
|
|
CMPJMP(konstd[B] <= reg.d[C]);
|
|
NEXTOP;
|
|
OP(LTU_RR):
|
|
ASSERTD(B); ASSERTD(C);
|
|
CMPJMP((VM_UWORD)reg.d[B] < (VM_UWORD)reg.d[C]);
|
|
NEXTOP;
|
|
OP(LTU_RK):
|
|
ASSERTD(B); ASSERTKD(C);
|
|
CMPJMP((VM_UWORD)reg.d[B] < (VM_UWORD)konstd[C]);
|
|
NEXTOP;
|
|
OP(LTU_KR):
|
|
ASSERTKD(B); ASSERTD(C);
|
|
CMPJMP((VM_UWORD)konstd[B] < (VM_UWORD)reg.d[C]);
|
|
NEXTOP;
|
|
OP(LEU_RR):
|
|
ASSERTD(B); ASSERTD(C);
|
|
CMPJMP((VM_UWORD)reg.d[B] <= (VM_UWORD)reg.d[C]);
|
|
NEXTOP;
|
|
OP(LEU_RK):
|
|
ASSERTD(B); ASSERTKD(C);
|
|
CMPJMP((VM_UWORD)reg.d[B] <= (VM_UWORD)konstd[C]);
|
|
NEXTOP;
|
|
OP(LEU_KR):
|
|
ASSERTKD(B); ASSERTD(C);
|
|
CMPJMP((VM_UWORD)konstd[B] <= (VM_UWORD)reg.d[C]);
|
|
NEXTOP;
|
|
|
|
OP(ADDF_RR):
|
|
ASSERTF(a); ASSERTF(B); ASSERTF(C);
|
|
reg.f[a] = reg.f[B] + reg.f[C];
|
|
NEXTOP;
|
|
OP(ADDF_RK):
|
|
ASSERTF(a); ASSERTF(B); ASSERTKF(C);
|
|
reg.f[a] = reg.f[B] + konstf[C];
|
|
NEXTOP;
|
|
|
|
OP(SUBF_RR):
|
|
ASSERTF(a); ASSERTF(B); ASSERTF(C);
|
|
reg.f[a] = reg.f[B] - reg.f[C];
|
|
NEXTOP;
|
|
OP(SUBF_RK):
|
|
ASSERTF(a); ASSERTF(B); ASSERTKF(C);
|
|
reg.f[a] = reg.f[B] - konstf[C];
|
|
NEXTOP;
|
|
OP(SUBF_KR):
|
|
ASSERTF(a); ASSERTKF(B); ASSERTF(C);
|
|
reg.f[a] = konstf[B] - reg.f[C];
|
|
NEXTOP;
|
|
|
|
OP(MULF_RR):
|
|
ASSERTF(a); ASSERTF(B); ASSERTF(C);
|
|
reg.f[a] = reg.f[B] * reg.f[C];
|
|
NEXTOP;
|
|
OP(MULF_RK):
|
|
ASSERTF(a); ASSERTF(B); ASSERTKF(C);
|
|
reg.f[a] = reg.f[B] * konstf[C];
|
|
NEXTOP;
|
|
|
|
OP(DIVF_RR):
|
|
ASSERTF(a); ASSERTF(B); ASSERTF(C);
|
|
if (reg.f[C] == 0.)
|
|
{
|
|
ThrowAbortException(X_DIVISION_BY_ZERO, nullptr);
|
|
return 0;
|
|
}
|
|
reg.f[a] = reg.f[B] / reg.f[C];
|
|
NEXTOP;
|
|
OP(DIVF_RK):
|
|
ASSERTF(a); ASSERTF(B); ASSERTKF(C);
|
|
if (konstf[C] == 0.)
|
|
{
|
|
ThrowAbortException(X_DIVISION_BY_ZERO, nullptr);
|
|
return 0;
|
|
}
|
|
reg.f[a] = reg.f[B] / konstf[C];
|
|
NEXTOP;
|
|
OP(DIVF_KR):
|
|
ASSERTF(a); ASSERTKF(B); ASSERTF(C);
|
|
if (reg.f[C] == 0.)
|
|
{
|
|
ThrowAbortException(X_DIVISION_BY_ZERO, nullptr);
|
|
return 0;
|
|
}
|
|
reg.f[a] = konstf[B] / reg.f[C];
|
|
NEXTOP;
|
|
|
|
OP(MODF_RR):
|
|
ASSERTF(a); ASSERTF(B); ASSERTF(C);
|
|
fb = reg.f[B]; fc = reg.f[C];
|
|
Do_MODF:
|
|
if (fc == 0.)
|
|
{
|
|
ThrowAbortException(X_DIVISION_BY_ZERO, nullptr);
|
|
return 0;
|
|
}
|
|
reg.f[a] = luai_nummod(fb, fc);
|
|
NEXTOP;
|
|
OP(MODF_RK):
|
|
ASSERTF(a); ASSERTF(B); ASSERTKF(C);
|
|
fb = reg.f[B]; fc = konstf[C];
|
|
goto Do_MODF;
|
|
NEXTOP;
|
|
OP(MODF_KR):
|
|
ASSERTF(a); ASSERTKF(B); ASSERTF(C);
|
|
fb = konstf[B]; fc = reg.f[C];
|
|
goto Do_MODF;
|
|
NEXTOP;
|
|
|
|
OP(POWF_RR):
|
|
ASSERTF(a); ASSERTF(B); ASSERTF(C);
|
|
reg.f[a] = g_pow(reg.f[B], reg.f[C]);
|
|
NEXTOP;
|
|
OP(POWF_RK):
|
|
ASSERTF(a); ASSERTF(B); ASSERTKF(C);
|
|
reg.f[a] = g_pow(reg.f[B], konstf[C]);
|
|
NEXTOP;
|
|
OP(POWF_KR):
|
|
ASSERTF(a); ASSERTKF(B); ASSERTF(C);
|
|
reg.f[a] = g_pow(konstf[B], reg.f[C]);
|
|
NEXTOP;
|
|
|
|
OP(MINF_RR):
|
|
ASSERTF(a); ASSERTF(B); ASSERTF(C);
|
|
reg.f[a] = reg.f[B] < reg.f[C] ? reg.f[B] : reg.f[C];
|
|
NEXTOP;
|
|
OP(MINF_RK):
|
|
ASSERTF(a); ASSERTF(B); ASSERTKF(C);
|
|
reg.f[a] = reg.f[B] < konstf[C] ? reg.f[B] : konstf[C];
|
|
NEXTOP;
|
|
OP(MAXF_RR):
|
|
ASSERTF(a); ASSERTF(B); ASSERTF(C);
|
|
reg.f[a] = reg.f[B] > reg.f[C] ? reg.f[B] : reg.f[C];
|
|
NEXTOP;
|
|
OP(MAXF_RK):
|
|
ASSERTF(a); ASSERTF(B); ASSERTKF(C);
|
|
reg.f[a] = reg.f[B] > konstf[C] ? reg.f[B] : konstf[C];
|
|
NEXTOP;
|
|
|
|
OP(ATAN2):
|
|
ASSERTF(a); ASSERTF(B); ASSERTF(C);
|
|
reg.f[a] = g_atan2(reg.f[B], reg.f[C]) * (180 / M_PI);
|
|
NEXTOP;
|
|
|
|
OP(FLOP):
|
|
ASSERTF(a); ASSERTF(B);
|
|
fb = reg.f[B];
|
|
reg.f[a] = (C == FLOP_ABS) ? fabs(fb) : (C == FLOP_NEG) ? -fb : DoFLOP(C, fb);
|
|
NEXTOP;
|
|
|
|
OP(EQF_R):
|
|
ASSERTF(B); ASSERTF(C);
|
|
if (a & CMP_APPROX)
|
|
{
|
|
CMPJMP(fabs(reg.f[C] - reg.f[B]) < VM_EPSILON);
|
|
}
|
|
else
|
|
{
|
|
CMPJMP(reg.f[C] == reg.f[B]);
|
|
}
|
|
NEXTOP;
|
|
OP(EQF_K):
|
|
ASSERTF(B); ASSERTKF(C);
|
|
if (a & CMP_APPROX)
|
|
{
|
|
CMPJMP(fabs(konstf[C] - reg.f[B]) < VM_EPSILON);
|
|
}
|
|
else
|
|
{
|
|
CMPJMP(konstf[C] == reg.f[B]);
|
|
}
|
|
NEXTOP;
|
|
OP(LTF_RR):
|
|
ASSERTF(B); ASSERTF(C);
|
|
if (a & CMP_APPROX)
|
|
{
|
|
CMPJMP((reg.f[B] - reg.f[C]) < -VM_EPSILON);
|
|
}
|
|
else
|
|
{
|
|
CMPJMP(reg.f[B] < reg.f[C]);
|
|
}
|
|
NEXTOP;
|
|
OP(LTF_RK):
|
|
ASSERTF(B); ASSERTKF(C);
|
|
if (a & CMP_APPROX)
|
|
{
|
|
CMPJMP((reg.f[B] - konstf[C]) < -VM_EPSILON);
|
|
}
|
|
else
|
|
{
|
|
CMPJMP(reg.f[B] < konstf[C]);
|
|
}
|
|
NEXTOP;
|
|
OP(LTF_KR):
|
|
ASSERTKF(B); ASSERTF(C);
|
|
if (a & CMP_APPROX)
|
|
{
|
|
CMPJMP((konstf[B] - reg.f[C]) < -VM_EPSILON);
|
|
}
|
|
else
|
|
{
|
|
CMPJMP(konstf[B] < reg.f[C]);
|
|
}
|
|
NEXTOP;
|
|
OP(LEF_RR):
|
|
ASSERTF(B); ASSERTF(C);
|
|
if (a & CMP_APPROX)
|
|
{
|
|
CMPJMP((reg.f[B] - reg.f[C]) <= -VM_EPSILON);
|
|
}
|
|
else
|
|
{
|
|
CMPJMP(reg.f[B] <= reg.f[C]);
|
|
}
|
|
NEXTOP;
|
|
OP(LEF_RK):
|
|
ASSERTF(B); ASSERTKF(C);
|
|
if (a & CMP_APPROX)
|
|
{
|
|
CMPJMP((reg.f[B] - konstf[C]) <= -VM_EPSILON);
|
|
}
|
|
else
|
|
{
|
|
CMPJMP(reg.f[B] <= konstf[C]);
|
|
}
|
|
NEXTOP;
|
|
OP(LEF_KR):
|
|
ASSERTKF(B); ASSERTF(C);
|
|
if (a & CMP_APPROX)
|
|
{
|
|
CMPJMP((konstf[B] - reg.f[C]) <= -VM_EPSILON);
|
|
}
|
|
else
|
|
{
|
|
CMPJMP(konstf[B] <= reg.f[C]);
|
|
}
|
|
NEXTOP;
|
|
|
|
OP(NEGV2):
|
|
ASSERTF(a+1); ASSERTF(B+1);
|
|
reg.f[a] = -reg.f[B];
|
|
reg.f[a+1] = -reg.f[B+1];
|
|
NEXTOP;
|
|
|
|
OP(ADDV2_RR):
|
|
ASSERTF(a+1); ASSERTF(B+1); ASSERTF(C+1);
|
|
fcp = ®.f[C];
|
|
fbp = ®.f[B];
|
|
reg.f[a] = fbp[0] + fcp[0];
|
|
reg.f[a+1] = fbp[1] + fcp[1];
|
|
NEXTOP;
|
|
|
|
OP(SUBV2_RR):
|
|
ASSERTF(a+1); ASSERTF(B+1); ASSERTF(C+1);
|
|
fbp = ®.f[B];
|
|
fcp = ®.f[C];
|
|
reg.f[a] = fbp[0] - fcp[0];
|
|
reg.f[a+1] = fbp[1] - fcp[1];
|
|
NEXTOP;
|
|
|
|
OP(DOTV2_RR):
|
|
ASSERTF(a); ASSERTF(B+1); ASSERTF(C+1);
|
|
reg.f[a] = reg.f[B] * reg.f[C] + reg.f[B+1] * reg.f[C+1];
|
|
NEXTOP;
|
|
|
|
OP(MULVF2_RR):
|
|
ASSERTF(a+1); ASSERTF(B+1); ASSERTF(C);
|
|
fc = reg.f[C];
|
|
fbp = ®.f[B];
|
|
Do_MULV2:
|
|
reg.f[a] = fbp[0] * fc;
|
|
reg.f[a+1] = fbp[1] * fc;
|
|
NEXTOP;
|
|
OP(MULVF2_RK):
|
|
ASSERTF(a+1); ASSERTF(B+1); ASSERTKF(C);
|
|
fc = konstf[C];
|
|
fbp = ®.f[B];
|
|
goto Do_MULV2;
|
|
|
|
OP(DIVVF2_RR):
|
|
ASSERTF(a+1); ASSERTF(B+1); ASSERTF(C);
|
|
fc = reg.f[C];
|
|
fbp = ®.f[B];
|
|
Do_DIVV2:
|
|
reg.f[a] = fbp[0] / fc;
|
|
reg.f[a+1] = fbp[1] / fc;
|
|
NEXTOP;
|
|
OP(DIVVF2_RK):
|
|
ASSERTF(a+1); ASSERTF(B+1); ASSERTKF(C);
|
|
fc = konstf[C];
|
|
fbp = ®.f[B];
|
|
goto Do_DIVV2;
|
|
|
|
OP(LENV2):
|
|
ASSERTF(a); ASSERTF(B+1);
|
|
reg.f[a] = g_sqrt(reg.f[B] * reg.f[B] + reg.f[B+1] * reg.f[B+1]);
|
|
NEXTOP;
|
|
|
|
OP(EQV2_R):
|
|
ASSERTF(B+1); ASSERTF(C+1);
|
|
fcp = ®.f[C];
|
|
Do_EQV2:
|
|
if (a & CMP_APPROX)
|
|
{
|
|
CMPJMP(fabs(reg.f[B ] - fcp[0]) < VM_EPSILON &&
|
|
fabs(reg.f[B+1] - fcp[1]) < VM_EPSILON);
|
|
}
|
|
else
|
|
{
|
|
CMPJMP(reg.f[B] == fcp[0] && reg.f[B+1] == fcp[1]);
|
|
}
|
|
NEXTOP;
|
|
OP(EQV2_K):
|
|
ASSERTF(B+1); ASSERTKF(C+1);
|
|
fcp = &konstf[C];
|
|
goto Do_EQV2;
|
|
|
|
OP(NEGV3):
|
|
ASSERTF(a+2); ASSERTF(B+2);
|
|
reg.f[a] = -reg.f[B];
|
|
reg.f[a+1] = -reg.f[B+1];
|
|
reg.f[a+2] = -reg.f[B+2];
|
|
NEXTOP;
|
|
|
|
OP(ADDV3_RR):
|
|
ASSERTF(a+2); ASSERTF(B+2); ASSERTF(C+2);
|
|
fcp = ®.f[C];
|
|
fbp = ®.f[B];
|
|
reg.f[a] = fbp[0] + fcp[0];
|
|
reg.f[a+1] = fbp[1] + fcp[1];
|
|
reg.f[a+2] = fbp[2] + fcp[2];
|
|
NEXTOP;
|
|
|
|
OP(SUBV3_RR):
|
|
ASSERTF(a+2); ASSERTF(B+2); ASSERTF(C+2);
|
|
fbp = ®.f[B];
|
|
fcp = ®.f[C];
|
|
reg.f[a] = fbp[0] - fcp[0];
|
|
reg.f[a+1] = fbp[1] - fcp[1];
|
|
reg.f[a+2] = fbp[2] - fcp[2];
|
|
NEXTOP;
|
|
|
|
OP(DOTV3_RR):
|
|
ASSERTF(a); ASSERTF(B+2); ASSERTF(C+2);
|
|
reg.f[a] = reg.f[B] * reg.f[C] + reg.f[B+1] * reg.f[C+1] + reg.f[B+2] * reg.f[C+2];
|
|
NEXTOP;
|
|
|
|
OP(CROSSV_RR):
|
|
ASSERTF(a+2); ASSERTF(B+2); ASSERTF(C+2);
|
|
fbp = ®.f[B];
|
|
fcp = ®.f[C];
|
|
{
|
|
double t[3];
|
|
t[2] = fbp[0] * fcp[1] - fbp[1] * fcp[0];
|
|
t[1] = fbp[2] * fcp[0] - fbp[0] * fcp[2];
|
|
t[0] = fbp[1] * fcp[2] - fbp[2] * fcp[1];
|
|
reg.f[a] = t[0]; reg.f[a+1] = t[1]; reg.f[a+2] = t[2];
|
|
}
|
|
NEXTOP;
|
|
|
|
OP(MULVF3_RR):
|
|
ASSERTF(a+2); ASSERTF(B+2); ASSERTF(C);
|
|
fc = reg.f[C];
|
|
fbp = ®.f[B];
|
|
Do_MULV3:
|
|
reg.f[a] = fbp[0] * fc;
|
|
reg.f[a+1] = fbp[1] * fc;
|
|
reg.f[a+2] = fbp[2] * fc;
|
|
NEXTOP;
|
|
OP(MULVF3_RK):
|
|
ASSERTF(a+2); ASSERTF(B+2); ASSERTKF(C);
|
|
fc = konstf[C];
|
|
fbp = ®.f[B];
|
|
goto Do_MULV3;
|
|
|
|
OP(DIVVF3_RR):
|
|
ASSERTF(a+2); ASSERTF(B+2); ASSERTF(C);
|
|
fc = reg.f[C];
|
|
fbp = ®.f[B];
|
|
Do_DIVV3:
|
|
reg.f[a] = fbp[0] / fc;
|
|
reg.f[a+1] = fbp[1] / fc;
|
|
reg.f[a+2] = fbp[2] / fc;
|
|
NEXTOP;
|
|
OP(DIVVF3_RK):
|
|
ASSERTF(a+2); ASSERTF(B+2); ASSERTKF(C);
|
|
fc = konstf[C];
|
|
fbp = ®.f[B];
|
|
goto Do_DIVV3;
|
|
|
|
OP(LENV3):
|
|
ASSERTF(a); ASSERTF(B+2);
|
|
reg.f[a] = g_sqrt(reg.f[B] * reg.f[B] + reg.f[B+1] * reg.f[B+1] + reg.f[B+2] * reg.f[B+2]);
|
|
NEXTOP;
|
|
|
|
OP(EQV3_R):
|
|
ASSERTF(B+2); ASSERTF(C+2);
|
|
fcp = ®.f[C];
|
|
Do_EQV3:
|
|
if (a & CMP_APPROX)
|
|
{
|
|
CMPJMP(fabs(reg.f[B ] - fcp[0]) < VM_EPSILON &&
|
|
fabs(reg.f[B+1] - fcp[1]) < VM_EPSILON &&
|
|
fabs(reg.f[B+2] - fcp[2]) < VM_EPSILON);
|
|
}
|
|
else
|
|
{
|
|
CMPJMP(reg.f[B] == fcp[0] && reg.f[B+1] == fcp[1] && reg.f[B+2] == fcp[2]);
|
|
}
|
|
NEXTOP;
|
|
OP(EQV3_K):
|
|
ASSERTF(B+2); ASSERTKF(C+2);
|
|
fcp = &konstf[C];
|
|
goto Do_EQV3;
|
|
|
|
OP(ADDA_RR):
|
|
ASSERTA(a); ASSERTA(B); ASSERTD(C);
|
|
c = reg.d[C];
|
|
Do_ADDA:
|
|
if (reg.a[B] == NULL) // Leave NULL pointers as NULL pointers
|
|
{
|
|
c = 0;
|
|
}
|
|
reg.a[a] = (VM_UBYTE *)reg.a[B] + c;
|
|
NEXTOP;
|
|
OP(ADDA_RK):
|
|
ASSERTA(a); ASSERTA(B); ASSERTKD(C);
|
|
c = konstd[C];
|
|
goto Do_ADDA;
|
|
|
|
OP(SUBA):
|
|
ASSERTD(a); ASSERTA(B); ASSERTA(C);
|
|
reg.d[a] = (VM_UWORD)((VM_UBYTE *)reg.a[B] - (VM_UBYTE *)reg.a[C]);
|
|
NEXTOP;
|
|
|
|
OP(EQA_R):
|
|
ASSERTA(B); ASSERTA(C);
|
|
CMPJMP(reg.a[B] == reg.a[C]);
|
|
NEXTOP;
|
|
OP(EQA_K):
|
|
ASSERTA(B); ASSERTKA(C);
|
|
CMPJMP(reg.a[B] == konsta[C].v);
|
|
NEXTOP;
|
|
|
|
OP(NOP):
|
|
NEXTOP;
|
|
}
|
|
}
|
|
#if 0
|
|
catch(VMException *exception)
|
|
{
|
|
// Try to find a handler for the exception.
|
|
PClass *extype = exception->GetClass();
|
|
|
|
while(--try_depth >= 0)
|
|
{
|
|
pc = exception_frames[try_depth];
|
|
assert(pc->op == OP_CATCH);
|
|
while (pc->a > 1)
|
|
{
|
|
// CATCH must be followed by JMP if it doesn't terminate a catch chain.
|
|
assert(pc[1].op == OP_JMP);
|
|
|
|
PClass *type;
|
|
int b = pc->b;
|
|
|
|
if (pc->a == 2)
|
|
{
|
|
ASSERTA(b);
|
|
type = (PClass *)reg.a[b];
|
|
}
|
|
else
|
|
{
|
|
assert(pc->a == 3);
|
|
ASSERTKA(b);
|
|
type = (PClass *)konsta[b].o;
|
|
}
|
|
ASSERTA(pc->c);
|
|
if (type == extype)
|
|
{
|
|
// Found a handler. Store the exception in pC, skip the JMP,
|
|
// and begin executing its code.
|
|
reg.a[pc->c] = exception;
|
|
pc += 2;
|
|
goto begin;
|
|
}
|
|
// This catch didn't handle it. Try the next one.
|
|
pc += 1 + JMPOFS(pc + 1);
|
|
assert(pc->op == OP_CATCH);
|
|
}
|
|
if (pc->a == 1)
|
|
{
|
|
// Catch any type of VMException. This terminates the chain.
|
|
ASSERTA(pc->c);
|
|
reg.a[pc->c] = exception;
|
|
pc += 1;
|
|
goto begin;
|
|
}
|
|
// This frame failed. Try the next one out.
|
|
}
|
|
// Nothing caught it. Rethrow and let somebody else deal with it.
|
|
throw;
|
|
}
|
|
#endif
|
|
catch (CVMAbortException &err)
|
|
{
|
|
err.MaybePrintMessage();
|
|
err.stacktrace.AppendFormat("Called from %s at %s, line %d\n", sfunc->PrintableName.GetChars(), sfunc->SourceFileName.GetChars(), sfunc->PCToLine(pc));
|
|
// PrintParameters(reg.param + f->NumParam - B, B);
|
|
throw;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static double DoFLOP(int flop, double v)
|
|
{
|
|
switch(flop)
|
|
{
|
|
case FLOP_ABS: return fabs(v);
|
|
case FLOP_NEG: return -v;
|
|
case FLOP_EXP: return g_exp(v);
|
|
case FLOP_LOG: return g_log(v);
|
|
case FLOP_LOG10: return g_log10(v);
|
|
case FLOP_SQRT: return g_sqrt(v);
|
|
case FLOP_CEIL: return ceil(v);
|
|
case FLOP_FLOOR: return floor(v);
|
|
|
|
case FLOP_ACOS: return g_acos(v);
|
|
case FLOP_ASIN: return g_asin(v);
|
|
case FLOP_ATAN: return g_atan(v);
|
|
case FLOP_COS: return g_cos(v);
|
|
case FLOP_SIN: return g_sin(v);
|
|
case FLOP_TAN: return g_tan(v);
|
|
|
|
case FLOP_ACOS_DEG: return g_acos(v) * (180 / M_PI);
|
|
case FLOP_ASIN_DEG: return g_asin(v) * (180 / M_PI);
|
|
case FLOP_ATAN_DEG: return g_atan(v) * (180 / M_PI);
|
|
case FLOP_COS_DEG: return g_cosdeg(v);
|
|
case FLOP_SIN_DEG: return g_sindeg(v);
|
|
case FLOP_TAN_DEG: return g_tan(v * (M_PI / 180));
|
|
|
|
case FLOP_COSH: return g_cosh(v);
|
|
case FLOP_SINH: return g_sinh(v);
|
|
case FLOP_TANH: return g_tanh(v);
|
|
|
|
case FLOP_ROUND: return round(v);
|
|
}
|
|
assert(0);
|
|
return 0;
|
|
}
|
|
|
|
static void DoCast(const VMRegisters ®, const VMFrame *f, int a, int b, int cast)
|
|
{
|
|
switch (cast)
|
|
{
|
|
case CAST_I2F:
|
|
ASSERTF(a); ASSERTD(b);
|
|
reg.f[a] = reg.d[b];
|
|
break;
|
|
case CAST_U2F:
|
|
ASSERTF(a); ASSERTD(b);
|
|
reg.f[a] = unsigned(reg.d[b]);
|
|
break;
|
|
case CAST_I2S:
|
|
ASSERTS(a); ASSERTD(b);
|
|
reg.s[a].Format("%d", reg.d[b]);
|
|
break;
|
|
case CAST_U2S:
|
|
ASSERTS(a); ASSERTD(b);
|
|
reg.s[a].Format("%u", reg.d[b]);
|
|
break;
|
|
|
|
case CAST_F2I:
|
|
ASSERTD(a); ASSERTF(b);
|
|
reg.d[a] = (int)reg.f[b];
|
|
break;
|
|
case CAST_F2U:
|
|
ASSERTD(a); ASSERTF(b);
|
|
reg.d[a] = (int)(unsigned)reg.f[b];
|
|
break;
|
|
case CAST_F2S:
|
|
ASSERTS(a); ASSERTF(b);
|
|
reg.s[a].Format("%.5f", reg.f[b]); // keep this small. For more precise conversion there should be a conversion function.
|
|
break;
|
|
case CAST_V22S:
|
|
ASSERTS(a); ASSERTF(b+1);
|
|
reg.s[a].Format("(%.5f, %.5f)", reg.f[b], reg.f[b + 1]);
|
|
break;
|
|
case CAST_V32S:
|
|
ASSERTS(a); ASSERTF(b + 2);
|
|
reg.s[a].Format("(%.5f, %.5f, %.5f)", reg.f[b], reg.f[b + 1], reg.f[b + 2]);
|
|
break;
|
|
|
|
case CAST_P2S:
|
|
{
|
|
ASSERTS(a); ASSERTA(b);
|
|
if (reg.a[b] == nullptr) reg.s[a] = "null";
|
|
else reg.s[a].Format("%p", reg.a[b]);
|
|
break;
|
|
}
|
|
|
|
case CAST_S2I:
|
|
ASSERTD(a); ASSERTS(b);
|
|
reg.d[a] = (VM_SWORD)reg.s[b].ToLong();
|
|
break;
|
|
case CAST_S2F:
|
|
ASSERTF(a); ASSERTS(b);
|
|
reg.f[a] = reg.s[b].ToDouble();
|
|
break;
|
|
|
|
case CAST_S2N:
|
|
ASSERTD(a); ASSERTS(b);
|
|
reg.d[a] = reg.s[b].Len() == 0? NAME_None : FName(reg.s[b]).GetIndex();
|
|
break;
|
|
|
|
case CAST_N2S:
|
|
{
|
|
ASSERTS(a); ASSERTD(b);
|
|
FName name = FName(ENamedName(reg.d[b]));
|
|
reg.s[a] = name.IsValidName() ? name.GetChars() : "";
|
|
break;
|
|
}
|
|
|
|
case CAST_S2Co:
|
|
ASSERTD(a); ASSERTS(b);
|
|
reg.d[a] = V_GetColor(NULL, reg.s[b]);
|
|
break;
|
|
|
|
case CAST_Co2S:
|
|
ASSERTS(a); ASSERTD(b);
|
|
reg.s[a].Format("%02x %02x %02x", PalEntry(reg.d[b]).r, PalEntry(reg.d[b]).g, PalEntry(reg.d[b]).b);
|
|
break;
|
|
|
|
case CAST_S2So:
|
|
ASSERTD(a); ASSERTS(b);
|
|
reg.d[a] = FSoundID(reg.s[b]);
|
|
break;
|
|
|
|
case CAST_So2S:
|
|
ASSERTS(a); ASSERTD(b);
|
|
reg.s[a] = soundEngine->GetSoundName(reg.d[b]);
|
|
break;
|
|
|
|
case CAST_SID2S:
|
|
ASSERTS(a); ASSERTD(b);
|
|
VM_CastSpriteIDToString(®.s[a], reg.d[b]);
|
|
break;
|
|
|
|
case CAST_TID2S:
|
|
{
|
|
ASSERTS(a); ASSERTD(b);
|
|
auto tex = TexMan.GetGameTexture(*(FTextureID*)&(reg.d[b]));
|
|
reg.s[a] = tex == nullptr ? "(null)" : tex->GetName().GetChars();
|
|
break;
|
|
}
|
|
|
|
default:
|
|
assert(0);
|
|
}
|
|
}
|
|
|
|
//===========================================================================
|
|
//
|
|
// FillReturns
|
|
//
|
|
// Fills in an array of pointers to locations to store return values in.
|
|
//
|
|
//===========================================================================
|
|
|
|
static void FillReturns(const VMRegisters ®, VMFrame *frame, VMReturn *returns, const VMOP *retval, int numret)
|
|
{
|
|
int i, type, regnum;
|
|
VMReturn *ret;
|
|
|
|
assert(REGT_INT == 0 && REGT_FLOAT == 1 && REGT_STRING == 2 && REGT_POINTER == 3);
|
|
|
|
for (i = 0, ret = returns; i < numret; ++i, ++ret, ++retval)
|
|
{
|
|
assert(retval->op == OP_RESULT); // opcode
|
|
ret->RegType = type = retval->b;
|
|
regnum = retval->c;
|
|
assert(!(type & REGT_KONST));
|
|
type &= REGT_TYPE;
|
|
if (type < REGT_STRING)
|
|
{
|
|
if (type == REGT_INT)
|
|
{
|
|
assert(regnum < frame->NumRegD);
|
|
ret->Location = ®.d[regnum];
|
|
}
|
|
else // type == REGT_FLOAT
|
|
{
|
|
assert(regnum < frame->NumRegF);
|
|
ret->Location = ®.f[regnum];
|
|
}
|
|
}
|
|
else if (type == REGT_STRING)
|
|
{
|
|
assert(regnum < frame->NumRegS);
|
|
ret->Location = ®.s[regnum];
|
|
}
|
|
else
|
|
{
|
|
assert(type == REGT_POINTER);
|
|
assert(regnum < frame->NumRegA);
|
|
ret->Location = ®.a[regnum];
|
|
}
|
|
}
|
|
}
|
|
|
|
//===========================================================================
|
|
//
|
|
// SetReturn
|
|
//
|
|
// Used by script code to set a return value.
|
|
//
|
|
//===========================================================================
|
|
|
|
static void SetReturn(const VMRegisters ®, VMFrame *frame, VMReturn *ret, VM_UBYTE regtype, int regnum)
|
|
{
|
|
const void *src;
|
|
VMScriptFunction *func = static_cast<VMScriptFunction *>(frame->Func);
|
|
|
|
assert(func != NULL && !(func->VarFlags & VARF_Native));
|
|
assert((regtype & ~REGT_KONST) == ret->RegType);
|
|
|
|
switch (regtype & REGT_TYPE)
|
|
{
|
|
case REGT_INT:
|
|
assert(!(regtype & REGT_MULTIREG));
|
|
if (regtype & REGT_KONST)
|
|
{
|
|
assert(regnum < func->NumKonstD);
|
|
src = &func->KonstD[regnum];
|
|
}
|
|
else
|
|
{
|
|
assert(regnum < frame->NumRegD);
|
|
src = ®.d[regnum];
|
|
}
|
|
ret->SetInt(*(int *)src);
|
|
break;
|
|
|
|
case REGT_FLOAT:
|
|
if (regtype & REGT_KONST)
|
|
{
|
|
assert(regnum < func->NumKonstF);
|
|
src = &func->KonstF[regnum];
|
|
}
|
|
else
|
|
{
|
|
assert(regnum < frame->NumRegF);
|
|
src = ®.f[regnum];
|
|
}
|
|
if (regtype & REGT_MULTIREG3)
|
|
{
|
|
ret->SetVector((double *)src);
|
|
}
|
|
else if (regtype & REGT_MULTIREG2)
|
|
{
|
|
ret->SetVector2((double *)src);
|
|
}
|
|
else
|
|
{
|
|
ret->SetFloat(*(double *)src);
|
|
}
|
|
break;
|
|
|
|
case REGT_STRING:
|
|
assert(!(regtype & REGT_MULTIREG));
|
|
if (regtype & REGT_KONST)
|
|
{
|
|
assert(regnum < func->NumKonstS);
|
|
src = &func->KonstS[regnum];
|
|
}
|
|
else
|
|
{
|
|
assert(regnum < frame->NumRegS);
|
|
src = ®.s[regnum];
|
|
}
|
|
ret->SetString(*(const FString *)src);
|
|
break;
|
|
|
|
case REGT_POINTER:
|
|
assert(!(regtype & REGT_MULTIREG));
|
|
if (regtype & REGT_KONST)
|
|
{
|
|
assert(regnum < func->NumKonstA);
|
|
ret->SetPointer(func->KonstA[regnum].v);
|
|
}
|
|
else
|
|
{
|
|
assert(regnum < frame->NumRegA);
|
|
ret->SetPointer(reg.a[regnum]);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int Exec(VMFunction *func, VMValue *params, int numparams, VMReturn *ret, int numret)
|
|
{
|
|
VMCalls[0]++;
|
|
VMFrameStack *stack = &GlobalVMStack;
|
|
VMFrame *newf = stack->AllocFrame(static_cast<VMScriptFunction*>(func));
|
|
VMFillParams(params, newf, numparams);
|
|
try
|
|
{
|
|
numret = ExecScriptFunc(stack, ret, numret);
|
|
}
|
|
catch (...)
|
|
{
|
|
stack->PopFrame();
|
|
throw;
|
|
}
|
|
stack->PopFrame();
|
|
return numret;
|
|
}
|