199 lines
3.1 KiB
C
199 lines
3.1 KiB
C
//
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// revtree.c
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//
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// two routines for printing out ascii reverse call tree's
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//
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#include <stdio.h>
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#include <string.h>
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#if defined(OS2)
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#define INCL_NOCOMMON
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#define INCL_DOSPROCESS
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#define INCL_DOSSEMAPHORES
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#define INCL_DOSFILEMGR
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#define INCL_DOSERRORS
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#define INCL_DOSMISC
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#include <os2.h>
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#else
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#include <windows.h>
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#endif
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#include <dos.h>
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#include "hungary.h"
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#include "bsc.h"
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#include "bscsup.h"
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// forward declarations
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static BOOL FUsedInst(IINST iinst);
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static VOID dRevTree(IINST iinst, WORD cuby);
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// static variables
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static BYTE *UbyBits = NULL;
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static WORD cNest = 0;
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VOID BSC_API
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RevTreeInst (IINST iinst)
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// emit the call tree starting from the given inst
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//
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{
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WORD iinstMac;
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int igrp;
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iinstMac = IinstMac();
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// allocate memory for bit array
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UbyBits = LpvAllocCb((WORD)(iinstMac/8 + 1));
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// no memory -- no call tree
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if (!UbyBits) return;
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igrp = iinstMac/8+1;
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while (--igrp>=0)
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UbyBits[igrp] = 0;
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cNest = 0;
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dRevTree(iinst, 1);
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FreeLpv(UbyBits);
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}
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static VOID
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dRevTree (IINST iinst, WORD cuby)
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// emit the call tree starting from the given inst
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//
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// there are many block variables to keep the stack to a minimum...
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{
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{
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ISYM isym;
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{
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ATR atr;
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TYP typ;
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InstInfo(iinst, &isym, &typ, &atr);
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if (typ > INST_TYP_LABEL)
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return;
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}
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{
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WORD i;
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cNest++;
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for (i = cNest; i; i--) BSCPrintf ("| ");
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}
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if (cuby > 1)
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BSCPrintf ("%s[%d]", LszNameFrSym (isym), cuby);
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else
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BSCPrintf ("%s", LszNameFrSym (isym));
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}
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if (FUsedInst(iinst)) {
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BSCPrintf ("...\n");
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cNest--;
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return;
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}
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BSCPrintf ("\n");
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{
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IUBY iuby, iubyMac;
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IINST iinstUby;
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UbyRangeOfInst(iinst, &iuby, &iubyMac);
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for (; iuby < iubyMac; iuby++) {
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UbyInfo(iuby, &iinstUby, &cuby);
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dRevTree (iinstUby, cuby);
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}
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}
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cNest--;
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}
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BOOL BSC_API
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FRevTreeLsz(LSZ lszName)
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// print out a call tree based on the given name
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//
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{
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IMOD imod;
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ISYM isym;
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cNest = 0;
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if (!lszName)
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return FALSE;
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{
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IINST iinstMac;
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int igrp;
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iinstMac = IinstMac();
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// allocate memory for bit array
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UbyBits = LpvAllocCb((WORD)(iinstMac/8 + 1));
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// no memory -- no call tree
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if (!UbyBits) return FALSE;
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igrp = iinstMac/8+1;
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while (--igrp >= 0)
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UbyBits[igrp] = 0;
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}
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if ((imod = ImodFrLsz (lszName)) != imodNil) {
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IMS ims, imsMac;
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MsRangeOfMod(imod, &ims, &imsMac);
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BSCPrintf ("%s\n", LszNameFrMod (imod));
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for ( ; ims < imsMac ; ims++)
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dRevTree (IinstOfIms(ims), 1);
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FreeLpv(UbyBits);
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return TRUE;
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}
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if ((isym = IsymFrLsz (lszName)) != isymNil) {
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IINST iinst, iinstMac;
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BSCPrintf ("%s\n", LszNameFrSym (isym));
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InstRangeOfSym(isym, &iinst, &iinstMac);
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for (; iinst < iinstMac; iinst++)
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dRevTree (iinst, 1);
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FreeLpv(UbyBits);
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return TRUE;
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}
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FreeLpv(UbyBits);
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return FALSE;
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}
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static BOOL
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FUsedInst(IINST iinst)
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// return the status bit for this iinst and set it true
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//
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{
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WORD igrp;
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BOOL fOut;
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WORD mask;
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igrp = iinst / 8;
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mask = (1 << (iinst % 8));
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fOut = !!(UbyBits[igrp] & mask);
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UbyBits[igrp] |= mask;
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return fOut;
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}
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