Files
harbour-core/harbour/source/compiler/genc.c
2000-03-21 11:40:25 +00:00

1160 lines
44 KiB
C

/*
* $Id$
*/
/*
* Harbour Project source code:
* Compiler C source generation
*
* Copyright 1999 Antonio Linares <alinares@fivetech.com>
* www - http://www.harbour-project.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version, with one exception:
*
* The exception is that if you link the Harbour Runtime Library (HRL)
* and/or the Harbour Virtual Machine (HVM) with other files to produce
* an executable, this does not by itself cause the resulting executable
* to be covered by the GNU General Public License. Your use of that
* executable is in no way restricted on account of linking the HRL
* and/or HVM code into it.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA (or visit
* their web site at http://www.gnu.org/).
*
*/
#include "hbcomp.h"
void hb_compGenCCode( PHB_FNAME pFileName ) /* generates the C language output */
{
char szFileName[ _POSIX_PATH_MAX ];
PFUNCTION pFunc = hb_comp_functions.pFirst, pFTemp;
PCOMSYMBOL pSym = hb_comp_symbols.pFirst;
USHORT w, wLen, wSym, wVar;
USHORT iNestedCodeblock = 0;
ULONG lPCodePos;
char chr;
BOOL bEndProcRequired;
FILE * yyc; /* file handle for C output */
if( ! pFileName->szExtension )
pFileName->szExtension = ".c";
hb_fsFNameMerge( szFileName, pFileName );
yyc = fopen( szFileName, "wb" );
if( ! yyc )
{
hb_compGenError( hb_comp_szErrors, 'E', HB_COMP_ERR_CREATE_OUTPUT, szFileName, NULL );
return;
}
if( ! hb_comp_bQuiet )
{
printf( "Generating C source output to \'%s\'... ", szFileName );
fflush( stdout );
}
fprintf( yyc, "/*\n * Harbour Compiler, %d.%d%s (Build %d) (%04d.%02d.%02d)\n",
HB_VER_MAJOR, HB_VER_MINOR, HB_VER_REVISION, HB_VER_BUILD, HB_VER_YEAR, HB_VER_MONTH, HB_VER_DAY );
fprintf( yyc, " * Generated C source code\n */\n\n" );
fprintf( yyc, "#include \"hbvmpub.h\"\n" );
fprintf( yyc, "#include \"hbpcode.h\"\n" );
fprintf( yyc, "#include \"hbinit.h\"\n\n\n" );
if( ! hb_comp_bStartProc )
pFunc = pFunc->pNext; /* No implicit starting procedure */
/* write functions prototypes for PRG defined functions */
while( pFunc )
{
if( pFunc->cScope & HB_FS_STATIC || pFunc->cScope & HB_FS_INIT || pFunc->cScope & HB_FS_EXIT )
fprintf( yyc, "static " );
else
fprintf( yyc, " " );
if( pFunc == hb_comp_pInitFunc )
fprintf( yyc, "HARBOUR hb_INITSTATICS( void );\n" ); /* NOTE: hb_ intentionally in lower case */
else
fprintf( yyc, "HB_FUNC( %s );\n", pFunc->szName );
pFunc = pFunc->pNext;
}
/* write functions prototypes for called functions outside this PRG */
pFunc = hb_comp_funcalls.pFirst;
while( pFunc )
{
pFTemp = hb_compFunctionFind( pFunc->szName );
if( ! pFTemp || pFTemp == hb_comp_functions.pFirst )
fprintf( yyc, "extern HB_FUNC( %s );\n", pFunc->szName );
pFunc = pFunc->pNext;
}
/* writes the symbol table */
/* Generate the wrapper that will initialize local symbol table
*/
hb_strupr( pFileName->szName );
fprintf( yyc, "\n\nHB_INIT_SYMBOLS_BEGIN( hb_vm_SymbolInit_%s%s )\n", hb_comp_szPrefix, pFileName->szName );
if( ! hb_comp_bStartProc )
pSym = pSym->pNext; /* starting procedure is always the first symbol */
while( pSym )
{
if( pSym->szName[ 0 ] == '(' )
{
/* Since the normal function cannot be INIT and EXIT at the same time
* we are using these two bits to mark the special function used to
* initialize static variables
*/
fprintf( yyc, "{ \"(_INITSTATICS)\", HB_FS_INIT | HB_FS_EXIT, hb_INITSTATICS, NULL }" ); /* NOTE: hb_ intentionally in lower case */
}
else
{
fprintf( yyc, "{ \"%s\", ", pSym->szName );
if( pSym->cScope & HB_FS_STATIC )
fprintf( yyc, "HB_FS_STATIC" );
else if( pSym->cScope & HB_FS_INIT )
fprintf( yyc, "HB_FS_INIT" );
else if( pSym->cScope & HB_FS_EXIT )
fprintf( yyc, "HB_FS_EXIT" );
else
fprintf( yyc, "HB_FS_PUBLIC" );
if( pSym->cScope & VS_MEMVAR )
fprintf( yyc, " | HB_FS_MEMVAR" );
if( ( pSym->cScope != HB_FS_MESSAGE ) && ( pSym->cScope & HB_FS_MESSAGE ) ) /* only for non public symbols */
fprintf( yyc, " | HB_FS_MESSAGE" );
/* specify the function address if it is a defined function or an
external called function */
if( hb_compFunctionFind( pSym->szName ) ) /* is it a function defined in this module */
fprintf( yyc, ", HB_FUNCNAME( %s ), NULL }", pSym->szName );
else if( hb_compFunCallFind( pSym->szName ) ) /* is it a function called from this module */
fprintf( yyc, ", HB_FUNCNAME( %s ), NULL }", pSym->szName );
else
fprintf( yyc, ", NULL, NULL }" ); /* memvar */
}
if( pSym != hb_comp_symbols.pLast )
fprintf( yyc, ",\n" );
pSym = pSym->pNext;
}
fprintf( yyc, "\nHB_INIT_SYMBOLS_END( hb_vm_SymbolInit_%s%s )\n", hb_comp_szPrefix, pFileName->szName );
fprintf( yyc, "#if ! defined(__GNUC__) && ! defined(_MSC_VER)\n #pragma startup hb_vm_SymbolInit_%s%s\n#endif\n\n\n", hb_comp_szPrefix, pFileName->szName );
/* Generate functions data
*/
pFunc = hb_comp_functions.pFirst;
if( ! hb_comp_bStartProc )
pFunc = pFunc->pNext; /* No implicit starting procedure */
while( pFunc )
{
if( pFunc->cScope != HB_FS_PUBLIC )
fprintf( yyc, "static " );
if( pFunc == hb_comp_pInitFunc ) /* Is it STATICS$ */
fprintf( yyc, "HARBOUR hb_INITSTATICS( void )" ); /* NOTE: hb_ intentionally in lower case */
else
fprintf( yyc, "HB_FUNC( %s )", pFunc->szName );
fprintf( yyc, "\n{\n static BYTE pcode[] =\n {\n" );
bEndProcRequired = TRUE;
lPCodePos = 0;
while( lPCodePos < pFunc->lPCodePos )
{
switch( pFunc->pCode[ lPCodePos ] )
{
case HB_P_AND:
fprintf( yyc, "\tHB_P_AND,\n" );
lPCodePos++;
break;
case HB_P_ARRAYPUSH:
fprintf( yyc, "\tHB_P_ARRAYPUSH,\n" );
lPCodePos++;
break;
case HB_P_ARRAYPOP:
fprintf( yyc, "\tHB_P_ARRAYPOP,\n" );
lPCodePos++;
break;
case HB_P_DEC:
fprintf( yyc, "\tHB_P_DEC,\n" );
lPCodePos++;
break;
case HB_P_ARRAYDIM:
w = pFunc->pCode[ lPCodePos + 1 ] + pFunc->pCode[ lPCodePos + 2 ] * 256;
fprintf( yyc, "\tHB_P_ARRAYDIM, %i, %i,",
pFunc->pCode[ lPCodePos + 1 ],
pFunc->pCode[ lPCodePos + 2 ] );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %i */", w );
fprintf( yyc, "\n" );
lPCodePos += 3;
break;
case HB_P_DIVIDE:
fprintf( yyc, "\tHB_P_DIVIDE,\n" );
lPCodePos++;
break;
case HB_P_DO:
fprintf( yyc, "\tHB_P_DO, %i, %i,\n",
pFunc->pCode[ lPCodePos + 1 ],
pFunc->pCode[ lPCodePos + 2 ] );
lPCodePos += 3;
break;
case HB_P_DUPLICATE:
fprintf( yyc, "\tHB_P_DUPLICATE,\n" );
lPCodePos++;
break;
case HB_P_DUPLTWO:
fprintf( yyc, "\tHB_P_DUPLTWO,\n" );
lPCodePos++;
break;
case HB_P_EQUAL:
fprintf( yyc, "\tHB_P_EQUAL,\n" );
lPCodePos++;
break;
case HB_P_EXACTLYEQUAL:
fprintf( yyc, "\tHB_P_EXACTLYEQUAL,\n" );
lPCodePos++;
break;
case HB_P_ENDBLOCK:
--iNestedCodeblock;
fprintf( yyc, "\tHB_P_ENDBLOCK,\n" );
lPCodePos++;
break;
case HB_P_ENDPROC:
lPCodePos++;
if( lPCodePos == pFunc->lPCodePos )
{
bEndProcRequired = FALSE;
fprintf( yyc, "\tHB_P_ENDPROC\n" );
}
else
fprintf( yyc, "\tHB_P_ENDPROC,\n" );
break;
case HB_P_FALSE:
fprintf( yyc, "\tHB_P_FALSE,\n" );
lPCodePos++;
break;
case HB_P_FORTEST: /* ER For tests. Step > 0 LESS */
/* Step < 0 GREATER */
fprintf( yyc, "\tHB_P_FORTEST,\n" );
lPCodePos++;
break;
case HB_P_FRAME:
{
PVAR pLocal = pFunc->pLocals;
BYTE bLocals = 0;
while( pLocal )
{
pLocal = pLocal->pNext;
bLocals++;
}
if( bLocals || pFunc->wParamCount )
{
fprintf( yyc, "\tHB_P_FRAME, %i, %i,",
bLocals - pFunc->wParamCount,
pFunc->wParamCount );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* locals, params */" );
fprintf( yyc, "\n" );
}
lPCodePos += 3;
}
break;
case HB_P_FUNCPTR:
fprintf( yyc, "\tHB_P_FUNCPTR,\n" );
lPCodePos++;
break;
case HB_P_FUNCTION:
fprintf( yyc, "\tHB_P_FUNCTION, %i, %i,\n",
pFunc->pCode[ lPCodePos + 1 ],
pFunc->pCode[ lPCodePos + 2 ] );
lPCodePos += 3;
break;
case HB_P_ARRAYGEN:
w = pFunc->pCode[ lPCodePos + 1 ] + pFunc->pCode[ lPCodePos + 2 ] * 256;
fprintf( yyc, "\tHB_P_ARRAYGEN, %i, %i,",
pFunc->pCode[ lPCodePos + 1 ],
pFunc->pCode[ lPCodePos + 2 ] );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %i */", w );
fprintf( yyc, "\n" );
lPCodePos += 3;
break;
case HB_P_GREATER:
fprintf( yyc, "\tHB_P_GREATER,\n" );
lPCodePos++;
break;
case HB_P_GREATEREQUAL:
fprintf( yyc, "\tHB_P_GREATEREQUAL,\n" );
lPCodePos++;
break;
case HB_P_INC:
fprintf( yyc, "\tHB_P_INC,\n" );
lPCodePos++;
break;
case HB_P_INSTRING:
fprintf( yyc, "\tHB_P_INSTRING,\n" );
lPCodePos++;
break;
case HB_P_JUMP:
/* if( 1 ) ( lPCodePos + 3 ) < pFunc->lPCodePos ) */
{
SHORT sPos;
sPos = pFunc->pCode[ lPCodePos + 1 ] + pFunc->pCode[ lPCodePos + 2 ] * 256;
fprintf( yyc, "\tHB_P_JUMP, %i, %i,",
pFunc->pCode[ lPCodePos + 1 ],
pFunc->pCode[ lPCodePos + 2 ] );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %i (abs: %05li) */", sPos, lPCodePos + ( sPos ? sPos : 3 ) );
fprintf( yyc, "\n" );
}
lPCodePos += 3;
break;
case HB_P_JUMPFALSE:
w = pFunc->pCode[ lPCodePos + 1 ] + pFunc->pCode[ lPCodePos + 2 ] * 256;
fprintf( yyc, "\tHB_P_JUMPFALSE, %i, %i,",
pFunc->pCode[ lPCodePos + 1 ],
pFunc->pCode[ lPCodePos + 2 ] );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %i (abs: %05li) */", w, lPCodePos + ( w ? w : 3 ) );
fprintf( yyc, "\n" );
lPCodePos += 3;
break;
case HB_P_JUMPTRUE:
w = pFunc->pCode[ lPCodePos + 1 ] + pFunc->pCode[ lPCodePos + 2 ] * 256;
fprintf( yyc, "\tHB_P_JUMPTRUE, %i, %i,",
pFunc->pCode[ lPCodePos + 1 ],
pFunc->pCode[ lPCodePos + 2 ] );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %i (abs: %05li) */", w, lPCodePos + ( w ? w : 3 ) );
fprintf( yyc, "\n" );
lPCodePos += 3;
break;
case HB_P_LESS:
fprintf( yyc, "\tHB_P_LESS,\n" );
lPCodePos++;
break;
case HB_P_LESSEQUAL:
fprintf( yyc, "\tHB_P_LESSEQUAL,\n" );
lPCodePos++;
break;
case HB_P_LINE:
if( hb_comp_bGenCVerbose ) fprintf( yyc, "/* %05li */ ", lPCodePos );
else fprintf( yyc, "\t" );
w = pFunc->pCode[ lPCodePos + 1 ] + pFunc->pCode[ lPCodePos + 2 ] * 256;
fprintf( yyc, "HB_P_LINE, %i, %i,",
pFunc->pCode[ lPCodePos + 1 ],
pFunc->pCode[ lPCodePos + 2 ] );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %i */", w );
fprintf( yyc, "\n" );
lPCodePos += 3;
break;
case HB_P_LOCALNAME:
fprintf( yyc, "\tHB_P_LOCALNAME, %i, %i,",
pFunc->pCode[ lPCodePos + 1 ],
pFunc->pCode[ lPCodePos + 2 ] );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %s */", ( char * ) pFunc->pCode + lPCodePos + 3 );
fprintf( yyc, "\n" );
lPCodePos += 3;
while( pFunc->pCode[ lPCodePos ] )
{
chr = pFunc->pCode[ lPCodePos++ ];
if( chr == '\'' || chr == '\\')
fprintf( yyc, " \'\\%c\',", chr );
else
fprintf( yyc, " \'%c\',", chr );
}
fprintf( yyc, " 0,\n" );
lPCodePos++;
break;
case HB_P_MACROPOP:
fprintf( yyc, "\tHB_P_MACROPOP,\n" );
lPCodePos++;
break;
case HB_P_MACROPOPALIASED:
fprintf( yyc, "\tHB_P_MACROPOPALIASED,\n" );
lPCodePos++;
break;
case HB_P_MACROPUSH:
fprintf( yyc, "\tHB_P_MACROPUSH,\n" );
lPCodePos++;
break;
case HB_P_MACROPUSHALIASED:
fprintf( yyc, "\tHB_P_MACROPUSHALIASED,\n" );
lPCodePos++;
break;
case HB_P_MACROSYMBOL:
fprintf( yyc, "\tHB_P_MACROSYMBOL,\n" );
lPCodePos++;
break;
case HB_P_MACROTEXT:
fprintf( yyc, "\tHB_P_MACROTEXT,\n" );
lPCodePos++;
break;
case HB_P_MESSAGE:
{
USHORT wFixPos;
wSym = pFunc->pCode[ lPCodePos + 1 ] + pFunc->pCode[ lPCodePos + 2 ] * 256;
wFixPos = hb_compSymbolFixPos( wSym );
fprintf( yyc, "\tHB_P_MESSAGE, %i, %i,",
HB_LOBYTE( wFixPos ),
HB_HIBYTE( wFixPos ) );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %s */", hb_compSymbolGetPos( wSym )->szName );
fprintf( yyc, "\n" );
lPCodePos += 3;
}
break;
case HB_P_MINUS:
fprintf( yyc, "\tHB_P_MINUS,\n" );
lPCodePos++;
break;
case HB_P_MODULENAME:
fprintf( yyc, "\tHB_P_MODULENAME," );
if( hb_comp_bGenCVerbose )
fprintf( yyc, "\t/* %s */", ( char * ) pFunc->pCode + lPCodePos + 1 );
fprintf( yyc, "\n" );
lPCodePos++;
while( pFunc->pCode[ lPCodePos ] )
{
chr = pFunc->pCode[ lPCodePos++ ];
if( chr == '\'' || chr == '\\')
fprintf( yyc, " \'\\%c\',", chr );
else
fprintf( yyc, " \'%c\',", chr );
}
fprintf( yyc, " 0,\n" );
lPCodePos++;
break;
case HB_P_MODULUS:
fprintf( yyc, "\tHB_P_MODULUS,\n" );
lPCodePos++;
break;
case HB_P_MULT:
fprintf( yyc, "\tHB_P_MULT,\n" );
lPCodePos++;
break;
case HB_P_NEGATE:
fprintf( yyc, "\tHB_P_NEGATE,\n" );
lPCodePos++;
break;
case HB_P_NOT:
fprintf( yyc, "\tHB_P_NOT,\n" );
lPCodePos++;
break;
case HB_P_NOTEQUAL:
fprintf( yyc, "\tHB_P_NOTEQUAL,\n" );
lPCodePos++;
break;
case HB_P_OR:
fprintf( yyc, "\tHB_P_OR,\n" );
lPCodePos++;
break;
case HB_P_PARAMETER:
{
USHORT wFixPos;
wVar = pFunc->pCode[ lPCodePos + 1 ] + pFunc->pCode[ lPCodePos + 2 ] * 256;
wFixPos = hb_compSymbolFixPos( wVar );
fprintf( yyc, "\tHB_P_PARAMETER, %i, %i, %i,",
HB_LOBYTE( wFixPos ),
HB_HIBYTE( wFixPos ),
pFunc->pCode[ lPCodePos + 3 ] );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %s */", hb_compSymbolGetPos( wVar )->szName );
fprintf( yyc, "\n" );
lPCodePos += 4;
}
break;
case HB_P_PLUS:
fprintf( yyc, "\tHB_P_PLUS,\n" );
lPCodePos++;
break;
case HB_P_POP:
fprintf( yyc, "\tHB_P_POP,\n" );
lPCodePos++;
break;
case HB_P_POPALIAS:
fprintf( yyc, "\tHB_P_POPALIAS,\n" );
lPCodePos++;
break;
case HB_P_POPALIASEDFIELD:
{
USHORT wFixPos;
wVar = pFunc->pCode[ lPCodePos + 1 ] + pFunc->pCode[ lPCodePos + 2 ] * 256;
wFixPos = hb_compSymbolFixPos( wVar );
fprintf( yyc, "\tHB_P_POPALIASEDFIELD, %i, %i,",
HB_LOBYTE( wFixPos ),
HB_HIBYTE( wFixPos ) );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %s */", hb_compSymbolGetPos( wVar )->szName );
fprintf( yyc, "\n" );
lPCodePos += 3;
}
break;
case HB_P_POPALIASEDVAR:
{
USHORT wFixPos;
wVar = pFunc->pCode[ lPCodePos + 1 ] + pFunc->pCode[ lPCodePos + 2 ] * 256;
wFixPos = hb_compSymbolFixPos( wVar );
fprintf( yyc, "\tHB_P_POPALIASEDVAR, %i, %i,",
HB_LOBYTE( wFixPos ),
HB_HIBYTE( wFixPos ) );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %s */", hb_compSymbolGetPos( wVar )->szName );
fprintf( yyc, "\n" );
lPCodePos += 3;
}
break;
case HB_P_POPFIELD:
{
USHORT wFixPos;
wVar = pFunc->pCode[ lPCodePos + 1 ] + pFunc->pCode[ lPCodePos + 2 ] * 256;
wFixPos = hb_compSymbolFixPos( wVar );
fprintf( yyc, "\tHB_P_POPFIELD, %i, %i,",
HB_LOBYTE( wFixPos ),
HB_HIBYTE( wFixPos ) );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %s */", hb_compSymbolGetPos( wVar )->szName );
fprintf( yyc, "\n" );
lPCodePos += 3;
}
break;
case HB_P_POPLOCAL:
{
SHORT wVar = * ( ( SHORT * ) &( pFunc->pCode )[ lPCodePos + 1 ] );
/* Variable with negative order are local variables
* referenced in a codeblock -handle it with care
*/
if( iNestedCodeblock )
{
/* we are accesing variables within a codeblock */
/* the names of codeblock variable are lost */
if( wVar < 0 )
{
fprintf( yyc, "\tHB_P_POPLOCAL, %i, %i,",
pFunc->pCode[ lPCodePos + 1 ],
pFunc->pCode[ lPCodePos + 2 ] );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* localvar%i */", -wVar );
fprintf( yyc, "\n" );
}
else
{
fprintf( yyc, "\tHB_P_POPLOCAL, %i, %i,",
pFunc->pCode[ lPCodePos + 1 ],
pFunc->pCode[ lPCodePos + 2 ] );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* codeblockvar%i */", wVar );
fprintf( yyc, "\n" );
}
}
else
{
fprintf( yyc, "\tHB_P_POPLOCAL, %i, %i,",
pFunc->pCode[ lPCodePos + 1 ],
pFunc->pCode[ lPCodePos + 2 ] );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %s */", hb_compVariableFind( pFunc->pLocals, wVar )->szName );
fprintf( yyc, "\n" );
}
lPCodePos += 3;
}
break;
case HB_P_POPMEMVAR:
{
USHORT wFixPos;
wVar = pFunc->pCode[ lPCodePos + 1 ] + pFunc->pCode[ lPCodePos + 2 ] * 256;
wFixPos = hb_compSymbolFixPos( wVar );
fprintf( yyc, "\tHB_P_POPMEMVAR, %i, %i,",
HB_LOBYTE( wFixPos ),
HB_HIBYTE( wFixPos ) );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %s */", hb_compSymbolGetPos( wVar )->szName );
fprintf( yyc, "\n" );
lPCodePos += 3;
}
break;
case HB_P_POPSTATIC:
{
PVAR pVar;
PFUNCTION pTmp = hb_comp_functions.pFirst;
wVar = pFunc->pCode[ lPCodePos + 1 ] + pFunc->pCode[ lPCodePos + 2 ] * 256;
while( pTmp->pNext && pTmp->pNext->iStaticsBase < wVar )
pTmp = pTmp->pNext;
pVar = hb_compVariableFind( pTmp->pStatics, wVar - pTmp->iStaticsBase );
fprintf( yyc, "\tHB_P_POPSTATIC, %i, %i,",
pFunc->pCode[ lPCodePos + 1 ],
pFunc->pCode[ lPCodePos + 2 ] );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %s */", pVar->szName );
fprintf( yyc, "\n" );
lPCodePos += 3;
}
break;
case HB_P_POPVARIABLE:
{
USHORT wFixPos;
wVar = pFunc->pCode[ lPCodePos + 1 ] + pFunc->pCode[ lPCodePos + 2 ] * 256;
wFixPos = hb_compSymbolFixPos( wVar );
fprintf( yyc, "\tHB_P_POPVARIABLE, %i, %i,",
HB_LOBYTE( wFixPos ),
HB_HIBYTE( wFixPos ) );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %s */", hb_compSymbolGetPos( wVar )->szName );
fprintf( yyc, "\n" );
lPCodePos += 3;
}
break;
case HB_P_POWER:
fprintf( yyc, "\tHB_P_POWER,\n" );
lPCodePos++;
break;
case HB_P_PUSHALIAS:
fprintf( yyc, "\tHB_P_PUSHALIAS,\n" );
lPCodePos++;
break;
case HB_P_PUSHALIASEDFIELD:
{
USHORT wFixPos;
wVar = pFunc->pCode[ lPCodePos + 1 ] +
pFunc->pCode[ lPCodePos + 2 ] * 256;
wFixPos = hb_compSymbolFixPos( wVar );
fprintf( yyc, "\tHB_P_PUSHALIASEDFIELD, %i, %i,",
HB_LOBYTE( wFixPos ),
HB_HIBYTE( wFixPos ) );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %s */", hb_compSymbolGetPos( wVar )->szName );
fprintf( yyc, "\n" );
lPCodePos += 3;
}
break;
case HB_P_PUSHALIASEDVAR:
{
USHORT wFixPos;
wVar = pFunc->pCode[ lPCodePos + 1 ] +
pFunc->pCode[ lPCodePos + 2 ] * 256;
wFixPos = hb_compSymbolFixPos( wVar );
fprintf( yyc, "\tHB_P_PUSHALIASEDVAR, %i, %i,",
HB_LOBYTE( wFixPos ),
HB_HIBYTE( wFixPos ) );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %s */", hb_compSymbolGetPos( wVar )->szName );
fprintf( yyc, "\n" );
lPCodePos += 3;
}
break;
case HB_P_PUSHBLOCK:
++iNestedCodeblock;
fprintf( yyc, "\tHB_P_PUSHBLOCK, %i, %i,",
pFunc->pCode[ lPCodePos + 1 ],
pFunc->pCode[ lPCodePos + 2 ] );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %i */",
pFunc->pCode[ lPCodePos + 1 ] +
pFunc->pCode[ lPCodePos + 2 ] * 256 );
fprintf( yyc, "\n" );
w = * ( ( USHORT * ) &( pFunc->pCode [ lPCodePos + 3 ] ) );
fprintf( yyc, "\t%i, %i,",
pFunc->pCode[ lPCodePos + 3 ],
pFunc->pCode[ lPCodePos + 4 ] );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* number of local parameters (%i) */", w );
fprintf( yyc, "\n" );
wVar = * ( ( USHORT * ) &( pFunc->pCode [ lPCodePos + 5 ] ) );
fprintf( yyc, "\t%i, %i,",
pFunc->pCode[ lPCodePos + 5 ],
pFunc->pCode[ lPCodePos + 6 ] );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* number of local variables (%i) */", wVar );
fprintf( yyc, "\n" );
lPCodePos += 7; /* codeblock size + number of parameters + number of local variables */
/* create the table of referenced local variables */
while( wVar-- )
{
w = * ( ( USHORT * ) &( pFunc->pCode [ lPCodePos ] ) );
fprintf( yyc, "\t%i, %i,",
pFunc->pCode[ lPCodePos ],
pFunc->pCode[ lPCodePos + 1 ] );
/* NOTE:
* When a codeblock is used to initialize a static variable
* the the names of local variables cannot be determined
* because at the time of C code generation we don't know
* in which function was defined this local variable
*/
if( ( pFunc->cScope & ( HB_FS_INIT | HB_FS_EXIT ) ) != ( HB_FS_INIT | HB_FS_EXIT ) )
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %s */", hb_compVariableFind( pFunc->pLocals, w )->szName );
fprintf( yyc, "\n" );
lPCodePos +=2;
}
break;
case HB_P_PUSHDOUBLE:
{
int i;
++lPCodePos;
fprintf( yyc, "\tHB_P_PUSHDOUBLE, " );
for( i = 0; i < sizeof( double ) + sizeof( BYTE ); ++i )
fprintf( yyc, "%i,", ( ( BYTE * ) pFunc->pCode )[ lPCodePos + i ] );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %.*f, %d */",
*( ( BYTE * ) &( pFunc->pCode[ lPCodePos + sizeof( double ) ] ) ),
*( ( double * ) &( pFunc->pCode[ lPCodePos ] ) ),
*( ( BYTE * ) &( pFunc->pCode[ lPCodePos + sizeof( double ) ] ) ) );
fprintf( yyc, "\n" );
lPCodePos += sizeof( double ) + sizeof( BYTE );
}
break;
case HB_P_PUSHFIELD:
{
USHORT wFixPos;
wVar = pFunc->pCode[ lPCodePos + 1 ] +
pFunc->pCode[ lPCodePos + 2 ] * 256;
wFixPos = hb_compSymbolFixPos( wVar );
fprintf( yyc, "\tHB_P_PUSHFIELD, %i, %i,",
HB_LOBYTE( wFixPos ),
HB_HIBYTE( wFixPos ) );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %s */", hb_compSymbolGetPos( wVar )->szName );
fprintf( yyc, "\n" );
lPCodePos += 3;
}
break;
case HB_P_PUSHINT:
fprintf( yyc, "\tHB_P_PUSHINT, %i, %i,",
pFunc->pCode[ lPCodePos + 1 ],
pFunc->pCode[ lPCodePos + 2 ] );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %i */",
pFunc->pCode[ lPCodePos + 1 ] +
pFunc->pCode[ lPCodePos + 2 ] * 256 );
fprintf( yyc, "\n" );
lPCodePos += 3;
break;
case HB_P_PUSHLOCAL:
{
SHORT wVar = * ( ( SHORT * ) &( pFunc->pCode )[ lPCodePos + 1 ] );
/* Variable with negative order are local variables
* referenced in a codeblock -handle it with care
*/
if( iNestedCodeblock )
{
/* we are accesing variables within a codeblock */
/* the names of codeblock variable are lost */
if( wVar < 0 )
{
fprintf( yyc, "\tHB_P_PUSHLOCAL, %i, %i,",
pFunc->pCode[ lPCodePos + 1 ],
pFunc->pCode[ lPCodePos + 2 ] );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* localvar%i */", -wVar );
fprintf( yyc, "\n" );
}
else
{
fprintf( yyc, "\tHB_P_PUSHLOCAL, %i, %i,",
pFunc->pCode[ lPCodePos + 1 ],
pFunc->pCode[ lPCodePos + 2 ] );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* codeblockvar%i */", wVar );
fprintf( yyc, "\n" );
}
}
else
{
fprintf( yyc, "\tHB_P_PUSHLOCAL, %i, %i,",
pFunc->pCode[ lPCodePos + 1 ],
pFunc->pCode[ lPCodePos + 2 ] );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %s */", hb_compVariableFind( pFunc->pLocals, wVar )->szName );
fprintf( yyc, "\n" );
}
lPCodePos += 3;
}
break;
case HB_P_PUSHLOCALREF:
{
SHORT wVar = * ( ( SHORT * ) &( pFunc->pCode )[ lPCodePos + 1 ] );
/* Variable with negative order are local variables
* referenced in a codeblock -handle it with care
*/
if( iNestedCodeblock )
{
/* we are accesing variables within a codeblock */
/* the names of codeblock variable are lost */
if( wVar < 0 )
{
fprintf( yyc, "\tHB_P_PUSHLOCALREF, %i, %i,",
pFunc->pCode[ lPCodePos + 1 ],
pFunc->pCode[ lPCodePos + 2 ] );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* localvar%i */", -wVar );
fprintf( yyc, "\n" );
}
else
{
fprintf( yyc, "\tHB_P_PUSHLOCALREF, %i, %i,",
pFunc->pCode[ lPCodePos + 1 ],
pFunc->pCode[ lPCodePos + 2 ] );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* codeblockvar%i */", wVar );
fprintf( yyc, "\n" );
}
}
else
{
fprintf( yyc, "\tHB_P_PUSHLOCALREF, %i, %i,",
pFunc->pCode[ lPCodePos + 1 ],
pFunc->pCode[ lPCodePos + 2 ] );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %s */", hb_compVariableFind( pFunc->pLocals, wVar )->szName );
fprintf( yyc, "\n" );
}
lPCodePos += 3;
}
break;
case HB_P_PUSHLONG:
fprintf( yyc, "\tHB_P_PUSHLONG, %i, %i, %i, %i,",
pFunc->pCode[ lPCodePos + 1 ],
pFunc->pCode[ lPCodePos + 2 ],
pFunc->pCode[ lPCodePos + 3 ],
pFunc->pCode[ lPCodePos + 4 ] );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %li */", *( ( long * ) &( pFunc->pCode[ lPCodePos + 1 ] ) ) );
fprintf( yyc, "\n" );
lPCodePos += ( 1 + sizeof( long ) );
break;
case HB_P_PUSHMEMVAR:
{
USHORT wFixPos;
wVar = pFunc->pCode[ lPCodePos + 1 ] +
pFunc->pCode[ lPCodePos + 2 ] * 256;
wFixPos = hb_compSymbolFixPos( wVar );
fprintf( yyc, "\tHB_P_PUSHMEMVAR, %i, %i,",
HB_LOBYTE( wFixPos ),
HB_HIBYTE( wFixPos ) );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %s */", hb_compSymbolGetPos( wVar )->szName );
fprintf( yyc, "\n" );
lPCodePos += 3;
}
break;
case HB_P_PUSHMEMVARREF:
{
USHORT wFixPos;
wVar = pFunc->pCode[ lPCodePos + 1 ] +
pFunc->pCode[ lPCodePos + 2 ] * 256;
wFixPos = hb_compSymbolFixPos( wVar );
fprintf( yyc, "\tHB_P_PUSHMEMVARREF, %i, %i,",
HB_LOBYTE( wFixPos ),
HB_HIBYTE( wFixPos ) );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %s */", hb_compSymbolGetPos( wVar )->szName );
fprintf( yyc, "\n" );
lPCodePos += 3;
}
break;
case HB_P_PUSHNIL:
fprintf( yyc, "\tHB_P_PUSHNIL,\n" );
lPCodePos++;
break;
case HB_P_PUSHSELF:
fprintf( yyc, "\tHB_P_PUSHSELF,\n" );
lPCodePos++;
break;
case HB_P_PUSHSTATIC:
{
PVAR pVar;
PFUNCTION pTmp = hb_comp_functions.pFirst;
wVar = pFunc->pCode[ lPCodePos + 1 ] + pFunc->pCode[ lPCodePos + 2 ] * 256;
while( pTmp->pNext && pTmp->pNext->iStaticsBase < wVar )
pTmp = pTmp->pNext;
pVar = hb_compVariableFind( pTmp->pStatics, wVar - pTmp->iStaticsBase );
fprintf( yyc, "\tHB_P_PUSHSTATIC, %i, %i,",
pFunc->pCode[ lPCodePos + 1 ],
pFunc->pCode[ lPCodePos + 2 ] );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %s */", pVar->szName );
fprintf( yyc, "\n" );
lPCodePos += 3;
}
break;
case HB_P_PUSHSTATICREF:
{
PVAR pVar;
PFUNCTION pTmp = hb_comp_functions.pFirst;
wVar = pFunc->pCode[ lPCodePos + 1 ] + pFunc->pCode[ lPCodePos + 2 ] * 256;
while( pTmp->pNext && pTmp->pNext->iStaticsBase < wVar )
pTmp = pTmp->pNext;
pVar = hb_compVariableFind( pTmp->pStatics, wVar - pTmp->iStaticsBase );
fprintf( yyc, "\tHB_P_PUSHSTATICREF, %i, %i,",
pFunc->pCode[ lPCodePos + 1 ],
pFunc->pCode[ lPCodePos + 2 ] );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %s */", pVar->szName );
fprintf( yyc, "\n" );
lPCodePos += 3;
}
break;
case HB_P_PUSHSTR:
wLen = pFunc->pCode[ lPCodePos + 1 ] +
pFunc->pCode[ lPCodePos + 2 ] * 256;
fprintf( yyc, "\tHB_P_PUSHSTR, %i, %i,",
pFunc->pCode[ lPCodePos + 1 ],
pFunc->pCode[ lPCodePos + 2 ] );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %i */", wLen );
lPCodePos +=3;
if( wLen > 0 )
{
unsigned char uchr;
fprintf( yyc, "\n\t" );
while( wLen-- )
{
uchr = ( unsigned char ) ( pFunc->pCode[ lPCodePos++ ] );
/*
* NOTE: After optimization some CHR(n) can be converted
* into a string containing nonprintable characters.
*
* TODO: add switch to use hexadecimal format "%#04x"
*/
if( ( uchr < (unsigned char) ' ' ) || ( uchr >= 127 ) )
fprintf( yyc, "%i, ", uchr );
else if( strchr( "\'\\\"", uchr ) )
fprintf( yyc, "%i, ", uchr );
else
fprintf( yyc, "\'%c\', ", uchr );
}
}
fprintf( yyc, "\n" );
break;
case HB_P_PUSHSYM:
{
USHORT wFixPos;
wSym = pFunc->pCode[ lPCodePos + 1 ] +
pFunc->pCode[ lPCodePos + 2 ] * 256;
wFixPos = hb_compSymbolFixPos( wSym );
fprintf( yyc, "\tHB_P_PUSHSYM, %i, %i,",
HB_LOBYTE( wFixPos ),
HB_HIBYTE( wFixPos ) );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %s */", hb_compSymbolGetPos( wSym )->szName );
fprintf( yyc, "\n" );
lPCodePos += 3;
}
break;
case HB_P_PUSHVARIABLE:
{
USHORT wFixPos;
wVar = pFunc->pCode[ lPCodePos + 1 ] +
pFunc->pCode[ lPCodePos + 2 ] * 256;
wFixPos = hb_compSymbolFixPos( wVar );
fprintf( yyc, "\tHB_P_PUSHVARIABLE, %i, %i,",
HB_LOBYTE( wFixPos ),
HB_HIBYTE( wFixPos ) );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %s */", hb_compSymbolGetPos( wVar )->szName );
fprintf( yyc, "\n" );
lPCodePos += 3;
}
break;
case HB_P_RETVALUE:
fprintf( yyc, "\tHB_P_RETVALUE,\n" );
lPCodePos++;
break;
case HB_P_SEQBEGIN:
w = pFunc->pCode[ lPCodePos + 1 ] + pFunc->pCode[ lPCodePos + 2 ] * 256;
fprintf( yyc, "\tHB_P_SEQBEGIN, %i, %i,",
pFunc->pCode[ lPCodePos + 1 ],
pFunc->pCode[ lPCodePos + 2 ] );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %i (abs: %05li) */", w, lPCodePos + ( w ? w : 3 ) );
fprintf( yyc, "\n" );
lPCodePos += 3;
break;
case HB_P_SEQEND:
if( hb_comp_bGenCVerbose ) fprintf( yyc, "/* %05li */ ", lPCodePos );
else fprintf( yyc, "\t" );
w = pFunc->pCode[ lPCodePos + 1 ] + pFunc->pCode[ lPCodePos + 2 ] * 256;
fprintf( yyc, "HB_P_SEQEND, %i, %i,",
pFunc->pCode[ lPCodePos + 1 ],
pFunc->pCode[ lPCodePos + 2 ] );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* %i (abs: %05li) */", w, lPCodePos + ( w ? w : 3 ) );
fprintf( yyc, "\n" );
lPCodePos += 3;
break;
case HB_P_SEQRECOVER:
fprintf( yyc, "\tHB_P_SEQRECOVER,\n" );
lPCodePos++;
break;
case HB_P_SFRAME:
/* we only generate it if there are statics used in this function */
if( pFunc->bFlags & FUN_USES_STATICS )
{
hb_compSymbolFind( hb_comp_pInitFunc->szName, &w );
w = hb_compSymbolFixPos( w );
fprintf( yyc, "\tHB_P_SFRAME, %i, %i,",
HB_LOBYTE( w ), HB_HIBYTE( w ) );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* symbol (_INITSTATICS) */" );
fprintf( yyc, "\n" );
}
lPCodePos += 3;
break;
case HB_P_STATICS:
hb_compSymbolFind( hb_comp_pInitFunc->szName, &w );
w = hb_compSymbolFixPos( w );
fprintf( yyc, "\tHB_P_STATICS, %i, %i, %i, %i,",
HB_LOBYTE( w ),
HB_HIBYTE( w ),
pFunc->pCode[ lPCodePos + 3 ],
pFunc->pCode[ lPCodePos + 4 ] );
if( hb_comp_bGenCVerbose ) fprintf( yyc, "\t/* symbol (_INITSTATICS), %i statics */", pFunc->pCode[ lPCodePos + 3 ] + pFunc->pCode[ lPCodePos + 4 ] * 256 );
fprintf( yyc, "\n" );
lPCodePos += 5;
break;
case HB_P_SWAPALIAS:
fprintf( yyc, "\tHB_P_SWAPALIAS,\n" );
lPCodePos++;
break;
case HB_P_TRUE:
fprintf( yyc, "\tHB_P_TRUE,\n" );
lPCodePos++;
break;
case HB_P_ZERO:
fprintf( yyc, "\tHB_P_ZERO,\n" );
lPCodePos++;
break;
default:
fprintf( yyc, "\t%u, /* Incorrect pcode value: %u */\n", pFunc->pCode[ lPCodePos ], pFunc->pCode[ lPCodePos ] );
printf( "Incorrect pcode value: %u\n", pFunc->pCode[ lPCodePos ] );
lPCodePos = pFunc->lPCodePos;
break;
}
}
if( bEndProcRequired )
{
if( hb_comp_bGenCVerbose ) fprintf( yyc, "/* %05li */ ", lPCodePos );
else fprintf( yyc, "\t" );
fprintf( yyc, "HB_P_ENDPROC\n" );
}
else
{
if( hb_comp_bGenCVerbose ) fprintf( yyc, "/* %05li */\n", lPCodePos );
}
fprintf( yyc, " };\n\n" );
fprintf( yyc, " hb_vmExecute( pcode, symbols );\n}\n\n" );
pFunc = pFunc->pNext;
}
fclose( yyc );
pFunc = hb_comp_functions.pFirst;
while( pFunc )
pFunc = hb_compFunctionKill( pFunc );
pFunc = hb_comp_funcalls.pFirst;
while( pFunc )
{
hb_comp_funcalls.pFirst = pFunc->pNext;
hb_xfree( ( void * ) pFunc ); /* NOTE: szName will be released by hb_compSymbolKill() */
pFunc = hb_comp_funcalls.pFirst;
}
pSym = hb_comp_symbols.pFirst;
while( pSym )
pSym = hb_compSymbolKill( pSym );
if( ! hb_comp_bQuiet )
printf( "Done.\n" );
}