Windows2003-3790/sdktools/mep/browser/mbrmake/mbrwbsc.c
2020-09-30 16:53:55 +02:00

783 lines
17 KiB
C

//
//
// mbRWBSC.C - Write .BSC Source Data Base file from various lists.
//
//
#define LINT_ARGS
#include <stdlib.h>
#include <search.h>
#include <ctype.h>
#include "sbrfdef.h"
#include "mbrmake.h"
#include "sbrbsc.h"
#include "mbrcache.h"
// prototypes
//
static void pascal WriteBSCHeader (void);
static void pascal WriteAtoms (void);
static void pascal WriteMods (void);
static void pascal WriteModSyms (void);
static void pascal WriteSyms (void);
static void pascal WriteProps (void);
static void pascal WriteRefs (void);
static void pascal WriteDefs (void);
static void pascal WriteCals (void);
static void pascal WriteCbys (void);
static void pascal WriteSbrInfo (void);
static void pascal IndexTree (void);
static void pascal BSCWrite (LPV lpv, WORD cch);
static void pascal BSCWriteLsz (LSZ lsz);
//
#define BSCOut(v) BSCWrite(&(v), sizeof(v))
static WORD CntAtomPage; // count of Atom pages
static WORD AtomCnt = 0;
static WORD unknownModName; // UNKNOWN module idx
static WORD ModSymCnt = 0; // count of modsyms
static WORD SymCnt = 0; // count of symbols
static WORD PropCnt = 0; // count of props
static DWORD RefCnt = 0; // count of refs
static WORD DefCnt = 0; // count of defs
static WORD CbyCnt = 0; // count of use half of above
static WORD CalCnt = 0; // count of used by half of above
static DWORD lbModList; // offset to Module list
static DWORD lbModSymList; // offset to ModSym list
static DWORD lbSymList; // offset to Symbol list
static DWORD lbPropList; // offset to Property list
static DWORD lbRefList; // offset to Reference list
static DWORD lbDefList; // offset to Definition list
static DWORD lbCalList; // offset to Call/used list
static DWORD lbCbyList; // offset to Call/used list
static DWORD lbAtomCache; // offset to Sym Atom cache
static DWORD lbSbrList; // offset to Sbr file names
extern char far *GetAtomCache (WORD);
void
WriteBSC (char *OutputFileName)
// Write .BSC Source Data Base
//
{
OutFile = fopen(OutputFileName, "wb");
if (OutFile == NULL) {
Error(ERR_OPEN_FAILED, OutputFileName);
}
//
// no backing out from here -- if we fail we must delete the database
//
fOutputBroken = TRUE;
WriteBSCHeader(); // save space for header
WriteAtoms(); // sort and write atom cache
IndexTree(); // xlate pointers to indices
BldModSymList(); // Build module symbol list
SetVMClient(VM_EMIT_TREE);
unknownModName = gSYM(vaUnknownSym).isym; // record UNKNOWN index
WriteMods(); // output modules
WriteModSyms(); // output module symbol lists
WriteSyms(); // output all symbols
WriteProps(); // output all prop headers
WriteRefs(); // output all refs
WriteDefs(); // output all defs
WriteCals(); // output all uses/calls
WriteCbys(); // output all UBY/CBY
WriteSbrInfo(); // output the SBR file names
if (fseek(OutFile, 0L, SEEK_SET)) // Beginning of file
SeekError (OutputFileName);
WriteBSCHeader (); // output .BSC header
fclose(OutFile);
//
// we're all done --- it's a keeper!
//
fOutputBroken = FALSE;
SetVMClient(VM_MISC);
if (OptV) {
printf ("%u\tModules\n", ModCnt);
printf ("%u\tSymbols\n", SymCnt);
printf ("%u\tDefinitions\n", DefCnt);
printf ("%u\tReferences\n", RefCnt);
printf ("%u\tCalls/Uses\n", CalCnt);
printf ("%u\tCalled by/Used by\n", CbyCnt);
#ifdef DEBUG
printf ("\n");
printf ("%u\tTotal ModSyms\n", ModSymCnt);
printf ("%u\tTotal Properties\n", PropCnt);
printf ("%u\tLast Atom page \n", AtomCnt);
printf ("\n");
printf ("%lu\tBase of AtomCache\n", lbAtomCache);
printf ("%lu\tBase of ModList\n", lbModList);
printf ("%lu\tBase of ModSymList\n", lbModSymList);
printf ("%lu\tBase of SymList\n", lbSymList);
printf ("%lu\tBase of PropList\n", lbPropList);
printf ("%lu\tBase of RefList\n", lbRefList);
printf ("%lu\tBase of DefList\n", lbDefList);
printf ("%lu\tBase of CalList\n", lbCalList);
printf ("%lu\tBase of CbyList\n", lbCbyList);
#endif
}
}
static void pascal
WriteBSCHeader ()
// Write .BSC header, counts, and table offsets.
//
{
BYTE ver; // version num
// output BSC version (major and minor)
ver = BSC_MAJ;
BSCOut(ver); // major ver
ver = BSC_MIN;
BSCOut(ver); // minor ver
ver = BSC_UPD;
BSCOut(ver); // update ver
BSCOut(fCase); // case sensitive
BSCOut(MaxSymLen); // biggest symbol allowed
BSCOut(unknownModName); // UNKNOWN idx
// output counts (sizes) of each data area
BSCOut(ModCnt);
BSCOut(ModSymCnt);
BSCOut(SymCnt);
BSCOut(PropCnt);
BSCOut(RefCnt);
BSCOut(DefCnt);
BSCOut(CalCnt);
BSCOut(CbyCnt);
// last page #
BSCOut(CntAtomPage);
// last page size
BSCOut(AtomCnt);
// output BSC data area offsets
BSCOut(lbModList);
BSCOut(lbModSymList);
BSCOut(lbSymList);
BSCOut(lbPropList);
BSCOut(lbRefList);
BSCOut(lbDefList);
BSCOut(lbCalList);
BSCOut(lbCbyList);
BSCOut(lbAtomCache);
BSCOut(lbSbrList);
}
static void pascal
WriteAtoms ()
// Write a sorted version of the symbol Atom Cache to the .BSC file by walking
// the sorted symbol subscript array
//
{
WORD i;
int Atomlen;
LPCH lpchAtoms;
LSZ lszAtom;
VA vaSym;
SetVMClient(VM_EMIT_ATOMS);
lpchAtoms = LpvAllocCb(ATOMALLOC);
lbAtomCache = ftell(OutFile); // offset to text of symbols
for (i=0; i < cAtomsMac; i++) {
vaSym = rgvaSymSorted[i];
if (vaSym == vaNil) continue;
gSYM(vaSym);
lszAtom = gTEXT(cSYM.vaNameText);
Atomlen = strlen(lszAtom);
// write Atom page if not enough room
//
if (Atomlen + AtomCnt + 1 > ATOMALLOC) {
if (AtomCnt < ATOMALLOC)
memset(lpchAtoms + AtomCnt, 0, ATOMALLOC - AtomCnt);
if ((fwrite (lpchAtoms, ATOMALLOC, 1, OutFile)) != 1)
WriteError (OutputFileName);
CntAtomPage++;
AtomCnt = 0;
}
strcpy(lpchAtoms + AtomCnt, lszAtom); // copy Atom
cSYM.vaNameText = (PVOID)(((long)CntAtomPage << 16) | (AtomCnt));
pSYM(vaSym);
AtomCnt += Atomlen + 1;
// force to even value
if (AtomCnt & 1) lpchAtoms[AtomCnt++] = 0;
}
// write last Atom page
//
if (AtomCnt)
if ((fwrite (lpchAtoms, AtomCnt, 1, OutFile)) != 1)
WriteError (OutputFileName);
// free all the memory for the atom cache, we no longer need it
fflush (OutFile);
FreeLpv(lpchAtoms);
SetVMClient(VM_MISC);
}
static void pascal
WriteMods()
// write out the list of modules
//
// compute the MODSYM indices as we do this
//
{
MODLIST bmod;
VA vaMod;
WORD i;
ModSymCnt = 0;
lbModList = ftell(OutFile); // offset to Module list
for (i = cSymbolsMac; i < cAtomsMac; i++) {
gSYM(rgvaSymSorted[i]);
vaMod = cSYM.vaFirstProp; // points back to module, honest!
gMOD(vaMod);
bmod.ModName = gSYM(cMOD.vaNameSym).isym; // module name idx
ModSymCnt += cMOD.csyms;
bmod.mSymEnd = ModSymCnt; // last ModSym idx +1
BSCOut(bmod);
}
}
static void pascal
WriteModSyms()
// write out the list of modsyms
//
{
MODSYMLIST bmodsym;
VA vaMod, vaModSym;
WORD i;
lbModSymList = ftell(OutFile); // offset to ModSym list
for (i = cSymbolsMac; i < cAtomsMac; i++) {
gSYM(rgvaSymSorted[i]);
vaMod = cSYM.vaFirstProp; // points back to module, honest!
gMOD(vaMod);
vaModSym = cMOD.vaFirstModSym;
while (vaModSym) {
gMODSYM(vaModSym);
// Symbol Property idx
bmodsym.ModSymProp = gPROP(cMODSYM.vaFirstProp).iprp;
BSCOut(bmodsym);
vaModSym = cMODSYM.vaNextModSym;
}
}
}
static void pascal
WriteSyms()
// write out the list of SYMs
//
{
SYMLIST bsym;
VA vaSym;
WORD i;
lbSymList = ftell(OutFile); // offset to Symbol list
PropCnt = 0;
for (i=0; i < cAtomsMac; i++) {
vaSym = rgvaSymSorted[i];
if (vaSym == vaNil) continue;
gSYM(vaSym);
PropCnt += cSYM.cprop;
bsym.PropEnd = PropCnt; // last Prop idx +1
bsym.Atom = (WORD)((long)cSYM.vaNameText & 0xffff); // Atom cache offset
bsym.Page = (WORD)((long)cSYM.vaNameText >> 16); // Atom cache page
BSCOut(bsym);
}
}
static void pascal
WriteProps ()
// write out the list of PROPS to the database
//
// the number of definitions (DefCnt), references (RefCnt),
// calls (CalCnt) and called-by (CbyCnt) items are computed at this time
//
// Each PROP is assigned numbers for its associated objects
//
{
PROPLIST bprop;
VA vaSym, vaProp;
WORD i;
lbPropList = ftell(OutFile); // offset to Property list
DefCnt = 0;
RefCnt = 0L;
CalCnt = 0;
CbyCnt = 0;
for (i=0; i < cSymbolsMac; i++) {
vaSym = rgvaSymSorted[i];
if (vaSym == vaNil) continue;
vaProp = gSYM(vaSym).vaFirstProp;
while (vaProp) {
gPROP(vaProp);
gSYM(cPROP.vaNameSym);
bprop.PropName = cSYM.isym; // Symbol idx
bprop.PropAttr = cPROP.sattr; // Property Attribute
DefCnt += CItemsList(cPROP.vaDefList);
bprop.DefEnd = DefCnt; // last Definition idx +1
RefCnt += cPROP.cref;
bprop.RefEnd = RefCnt; // last Reference idx +1
CalCnt += CItemsList(cPROP.vaCalList);
bprop.CalEnd = CalCnt; // last Calls/uses idx +1
CbyCnt += CItemsList(cPROP.vaCbyList);
bprop.CbyEnd = CbyCnt; // last Called by/used by idx +1
BSCOut(bprop);
vaProp = cPROP.vaNextProp;
}
}
}
static void pascal
WriteRefs()
// write out the list of references
//
{
REFLIST bref;
VA vaSym, vaProp, vaRef;
WORD i;
lbRefList = ftell(OutFile); // offset to Reference list
for (i=0; i < cSymbolsMac; i++) {
vaSym = rgvaSymSorted[i];
if (vaSym == vaNil) continue;
vaProp = gSYM(vaSym).vaFirstProp;
while (vaProp) {
gPROP(vaProp);
vaRef = VaFrVp(cPROP.vpFirstRef);
while (vaRef) {
gREF(vaRef);
gSYM(VaFrVp(cREF.vpFileSym));
bref.RefNam = cSYM.isym; // Symbol idx
bref.RefLin = cREF.reflin; // Symbol lin
bref.isbr = cREF.isbr; // owner
BSCOut(bref);
vaRef = VaFrVp(cREF.vpNextRef);
}
vaProp = cPROP.vaNextProp;
}
}
}
static void pascal
WriteDefs()
// write out the list of defintions
//
{
REFLIST bdef;
WORD i;
VA vaProp, vaSym;
lbDefList = ftell(OutFile); // offset to Definition list
for (i=0; i < cSymbolsMac; i++) {
vaSym = rgvaSymSorted[i];
if (vaSym == vaNil) continue;
vaProp = gSYM(vaSym).vaFirstProp;
while (vaProp) {
gPROP(vaProp);
ENM_LIST (cPROP.vaDefList, DEF)
gSYM(cDEF.vaFileSym);
bdef.RefNam = cSYM.isym; // Symbol idx
bdef.RefLin = cDEF.deflin; // Symbol lin
bdef.isbr = cDEF.isbr; // owner
BSCOut(bdef);
ENM_END
vaProp = cPROP.vaNextProp;
}
}
}
static void pascal
WriteCals()
// write out the list of uses (CALs) items
//
{
USELIST buse;
PROP prop;
VA vaSym, vaProp;
WORD i;
lbCalList = ftell(OutFile); // offset to CAL list
for (i=0; i < cSymbolsMac; i++) {
vaSym = rgvaSymSorted[i];
if (vaSym == vaNil) continue;
vaProp = gSYM(vaSym).vaFirstProp;
while (vaProp) {
prop = gPROP(vaProp);
ENM_LIST(prop.vaCalList, CAL)
gPROP(cCAL.vaCalProp);
buse.UseProp = cPROP.iprp; // property idx
buse.UseCnt = (BYTE) cCAL.calcnt; // use count
buse.isbr = cCAL.isbr; // owner
BSCOut(buse);
ENM_END
vaProp = prop.vaNextProp;
}
}
BSCOut(buse); // Pad
}
static void pascal
WriteCbys()
// write out the list of used-by (CBY) items
//
{
USELIST buse;
PROP prop;
VA vaSym, vaProp;
WORD i;
lbCbyList = ftell(OutFile); // offset to CBY list
for (i=0; i < cSymbolsMac; i++) {
vaSym = rgvaSymSorted[i];
if (vaSym == vaNil) continue;
vaProp = gSYM(vaSym).vaFirstProp;
while (vaProp) {
prop = gPROP(vaProp);
ENM_LIST(prop.vaCbyList, CBY)
gPROP(cCBY.vaCbyProp);
buse.UseProp = cPROP.iprp; // property idx
buse.UseCnt = (BYTE) cCBY.cbycnt; // use count
buse.isbr = cCBY.isbr; // owner
BSCOut(buse);
ENM_END
vaProp = prop.vaNextProp;
}
}
BSCOut(buse); // Pad
}
static void pascal
WriteSbrInfo()
// write out the names of the .sbr files in the correct order
//
{
VA vaSbr;
WORD isbr;
VA *rgVaSbr;
lbSbrList = ftell(OutFile);
rgVaSbr = (VA *)LpvAllocCb(SbrCnt * (WORD)sizeof(VA));
for (isbr = 0; isbr < SbrCnt; isbr++)
rgVaSbr[isbr] = vaNil;
vaSbr = vaRootSbr;
while (vaSbr) {
gSBR(vaSbr);
if (cSBR.isbr != -1)
rgVaSbr[cSBR.isbr] = vaSbr;
vaSbr = cSBR.vaNextSbr;
}
for (isbr = 0; isbr < SbrCnt; isbr++) {
if (rgVaSbr[isbr] != vaNil) {
gSBR(rgVaSbr[isbr]);
BSCWriteLsz(cSBR.szName);
}
}
BSCWriteLsz("");
}
static void pascal
IndexTree ()
// Walk all the list of all symbols and index each prop as we find it
// at this point we also count the total number of defs + refs to
// make sure that we can actually create this database
//
{
VA vaSym, vaProp;
DWORD cdefs = 0;
DWORD crefs = 0;
DWORD ccals = 0;
DWORD ccbys = 0;
WORD i;
SetVMClient(VM_INDEX_TREE);
SymCnt = 0;
PropCnt = 0;
for (i=0; i < cAtomsMac; i++) {
vaSym = rgvaSymSorted[i];
if (vaSym == vaNil) continue;
gSYM(vaSym);
cSYM.isym = SymCnt++; // Symbol index
pSYM(vaSym);
// the vaFirstProp field is used for something else in module symbols
if (cSYM.cprop)
vaProp = cSYM.vaFirstProp;
else
vaProp = vaNil;
while (vaProp) {
gPROP(vaProp);
cPROP.iprp = PropCnt++; // Property index
cdefs += CItemsList(cPROP.vaDefList);
crefs += cPROP.cref;
ccals += CItemsList(cPROP.vaCalList);
ccbys += CItemsList(cPROP.vaCbyList);
pPROP(vaProp);
vaProp = cPROP.vaNextProp;
}
}
SymCnt -= ModCnt; // Subtract module names
if (cdefs > 0xffffL ||
crefs > 0xffffffL ||
ccals > 0xffffL ||
ccbys > 0xffffL) {
if (OptV) {
printf ("%u\tModules\n", ModCnt);
printf ("%u\tSymbols\n", SymCnt);
printf ("%lu\tDefinitions\n", cdefs);
printf ("%lu\tReferences\n", crefs);
printf ("%lu\tCalls/Uses\n", ccals);
printf ("%lu\tCalled by/Used by\n", ccbys);
}
Error(ERR_CAPACITY_EXCEEDED, "");
}
SetVMClient(VM_MISC);
}
static void pascal
BSCWrite(LPV lpv, WORD cch)
// write block to the .bsc file
//
{
if (fwrite(lpv, cch, 1, OutFile) != 1)
WriteError (OutputFileName);
}
static void pascal
BSCWriteLsz(LSZ lsz)
// write a null terminated string to the BSC file
//
{
BSCWrite(lsz, (WORD)(strlen(lsz)+1));
}
#ifdef DEBUG
void
DebugDump()
{
VA vaMod, vaProp, vaSym;
WORD i;
vaMod = vaRootMod;
printf("Modules:\n");
while (vaMod) {
gMOD(vaMod);
printf ("\t%s\n", GetAtomStr (cMOD.vaNameSym));
vaMod = cMOD.vaNextMod;
}
printf ("\nAll Symbols:\n");
for (i=0; i < cAtomsMac; i++) {
vaSym = rgvaSymSorted[i];
if (vaSym == vaNil) continue;
gSYM(vaSym);
// the vaFirstProp field is used for something else in module symbols
if (cSYM.cprop)
vaProp = cSYM.vaFirstProp;
else
vaProp = vaNil;
while (vaProp) {
gPROP(vaProp);
DebugDumpProp(vaProp);
vaProp = gPROP(vaProp).vaNextProp;
}
}
}
void
DebugDumpProp(VA vaProp)
{
PROP prop;
VA vaRef;
gPROP(vaProp);
prop = cPROP;
printf ("%s ", GetAtomStr (prop.vaNameSym));
printf ("\t\t[%d %d %d %d]\n",
CItemsList(prop.vaDefList),
prop.cref,
CItemsList(prop.vaCalList),
CItemsList(prop.vaCbyList)
);
ENM_LIST(prop.vaDefList, DEF)
printf ("\tdefined in %s(%d) <%d>\n",
GetAtomStr (cDEF.vaFileSym),
cDEF.deflin,
cDEF.isbr
);
ENM_END
vaRef = VaFrVp(prop.vpFirstRef);
while (vaRef) {
gREF(vaRef);
printf ("\trefer'd in %s(%d) <%d>\n",
GetAtomStr ( VaFrVp(cREF.vpFileSym) ),
cREF.reflin,
cREF.isbr
);
vaRef = VaFrVp(cREF.vpNextRef);
}
ENM_LIST(prop.vaCalList, CAL)
printf ("\tcalls/uses %s[%d] <%d>\n",
GetAtomStr (gPROP(cCAL.vaCalProp).vaNameSym),
cCAL.calcnt,
cCAL.isbr
);
ENM_END
ENM_LIST(prop.vaCbyList, CBY)
printf ("\tc-by/u-by %s[%d] <%d>\n",
GetAtomStr (gPROP(cCBY.vaCbyProp).vaNameSym),
cCBY.cbycnt,
cCBY.isbr
);
ENM_END
}
#endif