static RegionPtr
cwCopyPlane(DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC, int srcx, int srcy,
int w, int h, int dstx, int dsty, unsigned long plane)
{
int odstx, odsty;
RegionPtr exposed = NULL;
SETUP_BACKING_DST(pDst, pGC);
SETUP_BACKING_SRC(pSrc, pGC);
PROLOGUE(pGC);
odstx = dstx;
odsty = dsty;
CW_OFFSET_XY_DST(dstx, dsty);
CW_OFFSET_XY_SRC(srcx, srcy);
exposed = (*pBackingGC->ops->CopyPlane)(pBackingSrc, pBackingDst,
pBackingGC, srcx, srcy, w, h,
dstx, dsty, plane);
if (exposed != NULL)
REGION_TRANSLATE(pDst->pScreen, exposed, odstx - dstx, odsty - dsty);
EPILOGUE(pGC);
return exposed;
}
static void
cwPolyFillArc(DrawablePtr pDst, GCPtr pGC, int narcs, xArc *parcs)
{
SETUP_BACKING_DST(pDst, pGC);
PROLOGUE(pGC);
CW_OFFSET_RECTS(parcs, narcs);
(*pBackingGC->ops->PolyFillArc)(pBackingDst, pBackingGC, narcs, parcs);
EPILOGUE(pGC);
}
static void
cwPolyFillRect(DrawablePtr pDst, GCPtr pGC, int nrects, xRectangle *pRects)
{
SETUP_BACKING_DST(pDst, pGC);
PROLOGUE(pGC);
CW_OFFSET_RECTS(pRects, nrects);
(*pBackingGC->ops->PolyFillRect)(pBackingDst, pBackingGC, nrects, pRects);
EPILOGUE(pGC);
}
static void
cwPolySegment(DrawablePtr pDst, GCPtr pGC, int nseg, xSegment *pSegs)
{
SETUP_BACKING_DST(pDst, pGC);
PROLOGUE(pGC);
CW_OFFSET_XYPOINTS(pSegs, nseg * 2);
(*pBackingGC->ops->PolySegment)(pBackingDst, pBackingGC, nseg, pSegs);
EPILOGUE(pGC);
}
static void
cwImageText8(DrawablePtr pDst, GCPtr pGC, int x, int y, int count, char *chars)
{
SETUP_BACKING_DST(pDst, pGC);
PROLOGUE(pGC);
CW_OFFSET_XY_DST(x, y);
(*pBackingGC->ops->ImageText8)(pBackingDst, pBackingGC, x, y, count,
chars);
EPILOGUE(pGC);
}
static void
cwPushPixels(GCPtr pGC, PixmapPtr pBitMap, DrawablePtr pDst, int w, int h,
int x, int y)
{
SETUP_BACKING_DST(pDst, pGC);
PROLOGUE(pGC);
CW_OFFSET_XY_DST(x, y);
(*pBackingGC->ops->PushPixels)(pBackingGC, pBitMap, pBackingDst, w, h,
x, y);
EPILOGUE(pGC);
}
static void
cwPolyGlyphBlt(DrawablePtr pDst, GCPtr pGC, int x, int y, unsigned int nglyph,
CharInfoPtr *ppci, pointer pglyphBase)
{
SETUP_BACKING_DST(pDst, pGC);
PROLOGUE(pGC);
CW_OFFSET_XY_DST(x, y);
(*pBackingGC->ops->PolyGlyphBlt)(pBackingDst, pBackingGC, x, y, nglyph,
ppci, pglyphBase);
EPILOGUE(pGC);
}
static void
cwPutImage(DrawablePtr pDst, GCPtr pGC, int depth, int x, int y, int w, int h,
int leftPad, int format, char *pBits)
{
SETUP_BACKING_DST(pDst, pGC);
PROLOGUE(pGC);
CW_OFFSET_XY_DST(x, y);
(*pBackingGC->ops->PutImage)(pBackingDst, pBackingGC, depth, x, y, w, h,
leftPad, format, pBits);
EPILOGUE(pGC);
}
static void
cwSetSpans(DrawablePtr pDst, GCPtr pGC, char *psrc, DDXPointPtr ppt,
int *pwidth, int nspans, int fSorted)
{
SETUP_BACKING_DST(pDst, pGC);
PROLOGUE(pGC);
CW_OFFSET_XYPOINTS(ppt, nspans);
(*pBackingGC->ops->SetSpans)(pBackingDst, pBackingGC, psrc, ppt, pwidth,
nspans, fSorted);
EPILOGUE(pGC);
}
static void
cwPolylines(DrawablePtr pDst, GCPtr pGC, int mode, int npt, DDXPointPtr ppt)
{
SETUP_BACKING_DST(pDst, pGC);
PROLOGUE(pGC);
if (mode == CoordModeOrigin)
CW_OFFSET_XYPOINTS(ppt, npt);
else
CW_OFFSET_XYPOINTS(ppt, 1);
(*pBackingGC->ops->Polylines)(pBackingDst, pBackingGC, mode, npt, ppt);
EPILOGUE(pGC);
}
static int
cwPolyText16(DrawablePtr pDst, GCPtr pGC, int x, int y, int count,
unsigned short *chars)
{
int result;
SETUP_BACKING_DST(pDst, pGC);
PROLOGUE(pGC);
CW_OFFSET_XY_DST(x, y);
result = (*pBackingGC->ops->PolyText16)(pBackingDst, pBackingGC, x, y,
count, chars);
EPILOGUE(pGC);
return result;
}
void Interpreter::Start() {
// initialization
method = GetFrame()->GetMethod();
currentBytecodes = method->GetBytecodes();
void* loopTargets[] = {
&&LABEL_BC_HALT,
&&LABEL_BC_DUP,
&&LABEL_BC_PUSH_LOCAL,
&&LABEL_BC_PUSH_ARGUMENT,
&&LABEL_BC_PUSH_FIELD,
&&LABEL_BC_PUSH_BLOCK,
&&LABEL_BC_PUSH_CONSTANT,
&&LABEL_BC_PUSH_GLOBAL,
&&LABEL_BC_POP,
&&LABEL_BC_POP_LOCAL,
&&LABEL_BC_POP_ARGUMENT,
&&LABEL_BC_POP_FIELD,
&&LABEL_BC_SEND,
&&LABEL_BC_SUPER_SEND,
&&LABEL_BC_RETURN_LOCAL,
&&LABEL_BC_RETURN_NON_LOCAL,
&&LABEL_BC_JUMP_IF_FALSE,
&&LABEL_BC_JUMP_IF_TRUE,
&&LABEL_BC_JUMP
};
goto *loopTargets[currentBytecodes[bytecodeIndexGlobal]];
//
// THIS IS THE former interpretation loop
LABEL_BC_HALT:
PROLOGUE(1);
return; // handle the halt bytecode
LABEL_BC_DUP:
PROLOGUE(1);
doDup();
DISPATCH_NOGC();
LABEL_BC_PUSH_LOCAL:
PROLOGUE(3);
doPushLocal(bytecodeIndexGlobal - 3);
DISPATCH_NOGC();
LABEL_BC_PUSH_ARGUMENT:
PROLOGUE(3);
doPushArgument(bytecodeIndexGlobal - 3);
DISPATCH_NOGC();
LABEL_BC_PUSH_FIELD:
PROLOGUE(2);
doPushField(bytecodeIndexGlobal - 2);
DISPATCH_NOGC();
LABEL_BC_PUSH_BLOCK:
PROLOGUE(2);
doPushBlock(bytecodeIndexGlobal - 2);
DISPATCH_GC();
LABEL_BC_PUSH_CONSTANT:
PROLOGUE(2);
doPushConstant(bytecodeIndexGlobal - 2);
DISPATCH_NOGC();
LABEL_BC_PUSH_GLOBAL:
PROLOGUE(2);
doPushGlobal(bytecodeIndexGlobal - 2);
DISPATCH_GC();
LABEL_BC_POP:
PROLOGUE(1);
doPop();
DISPATCH_NOGC();
LABEL_BC_POP_LOCAL:
PROLOGUE(3);
doPopLocal(bytecodeIndexGlobal - 3);
DISPATCH_NOGC();
LABEL_BC_POP_ARGUMENT:
PROLOGUE(3);
doPopArgument(bytecodeIndexGlobal - 3);
DISPATCH_NOGC();
LABEL_BC_POP_FIELD:
PROLOGUE(2);
doPopField(bytecodeIndexGlobal - 2);
DISPATCH_NOGC();
LABEL_BC_SEND:
PROLOGUE(2);
doSend(bytecodeIndexGlobal - 2);
DISPATCH_GC();
LABEL_BC_SUPER_SEND:
PROLOGUE(2);
doSuperSend(bytecodeIndexGlobal - 2);
DISPATCH_GC();
LABEL_BC_RETURN_LOCAL:
PROLOGUE(1);
doReturnLocal();
DISPATCH_NOGC();
LABEL_BC_RETURN_NON_LOCAL:
PROLOGUE(1);
doReturnNonLocal();
DISPATCH_NOGC();
LABEL_BC_JUMP_IF_FALSE:
PROLOGUE(5);
doJumpIfFalse(bytecodeIndexGlobal - 5);
DISPATCH_NOGC();
LABEL_BC_JUMP_IF_TRUE:
PROLOGUE(5);
doJumpIfTrue(bytecodeIndexGlobal - 5);
DISPATCH_NOGC();
LABEL_BC_JUMP:
PROLOGUE(5);
doJump(bytecodeIndexGlobal - 5);
DISPATCH_NOGC();
}
VMFrame* Interpreter::PushNewFrame(VMMethod* method) {
SetFrame(GetUniverse()->NewFrame(GetFrame(), method));
return GetFrame();
}
