/* * $Id$ */ /* * Harbour Project source code: * generate table with jump labels * * Copyright 2006 Przemyslaw Czerpak < druzus /at/ priv.onet.pl > * 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, or (at your option) * any later version. * * 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 software; see the file COPYING. If not, write to * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, * Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/). * * As a special exception, the Harbour Project gives permission for * additional uses of the text contained in its release of Harbour. * * The exception is that, if you link the Harbour libraries 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 Harbour library code into it. * * This exception does not however invalidate any other reasons why * the executable file might be covered by the GNU General Public License. * * This exception applies only to the code released by the Harbour * Project under the name Harbour. If you copy code from other * Harbour Project or Free Software Foundation releases into a copy of * Harbour, as the General Public License permits, the exception does * not apply to the code that you add in this way. To avoid misleading * anyone as to the status of such modified files, you must delete * this exception notice from them. * * If you write modifications of your own for Harbour, it is your choice * whether to permit this exception to apply to your modifications. * If you do not wish that, delete this exception notice. * */ #include "hbcomp.h" #include "hbassert.h" #define HB_LABEL_FUNC( func ) HB_PCODE_FUNC( func, PHB_LABEL_INFO ) typedef HB_LABEL_FUNC( HB_LABEL_FUNC_ ); typedef HB_LABEL_FUNC_ * PHB_LABEL_FUNC; /* * jump functions */ static HB_LABEL_FUNC( hb_p_jumpnear ) { ULONG ulNewPos = lPCodePos + ( signed char ) pFunc->pCode[ lPCodePos + 1 ]; cargo->pulLabels[ ulNewPos ]++; return 2; } static HB_LABEL_FUNC( hb_p_jump ) { BYTE * pAddr = &pFunc->pCode[ lPCodePos + 1 ]; ULONG ulNewPos = lPCodePos + HB_PCODE_MKSHORT( pAddr ); cargo->pulLabels[ ulNewPos ]++; return 3; } static HB_LABEL_FUNC( hb_p_jumpfar ) { BYTE * pAddr = &pFunc->pCode[ lPCodePos + 1 ]; ULONG ulNewPos = lPCodePos + HB_PCODE_MKINT24( pAddr ); cargo->pulLabels[ ulNewPos ]++; return 4; } static HB_LABEL_FUNC( hb_p_jumpfalsenear ) { ULONG ulNewPos = lPCodePos + ( signed char ) pFunc->pCode[ lPCodePos + 1 ]; cargo->fCondJump = TRUE; cargo->pulLabels[ ulNewPos ]++; return 2; } static HB_LABEL_FUNC( hb_p_jumpfalse ) { BYTE * pAddr = &pFunc->pCode[ lPCodePos + 1 ]; ULONG ulNewPos = lPCodePos + HB_PCODE_MKSHORT( pAddr ); cargo->fCondJump = TRUE; cargo->pulLabels[ ulNewPos ]++; return 3; } static HB_LABEL_FUNC( hb_p_jumpfalsefar ) { BYTE * pAddr = &pFunc->pCode[ lPCodePos + 1 ]; ULONG ulNewPos = lPCodePos + HB_PCODE_MKINT24( pAddr ); cargo->fCondJump = TRUE; cargo->pulLabels[ ulNewPos ]++; return 4; } static HB_LABEL_FUNC( hb_p_jumptruenear ) { ULONG ulNewPos = lPCodePos + ( signed char ) pFunc->pCode[ lPCodePos + 1 ]; cargo->fCondJump = TRUE; cargo->pulLabels[ ulNewPos ]++; return 2; } static HB_LABEL_FUNC( hb_p_jumptrue ) { BYTE * pAddr = &pFunc->pCode[ lPCodePos + 1 ]; ULONG ulNewPos = lPCodePos + HB_PCODE_MKSHORT( pAddr ); cargo->fCondJump = TRUE; cargo->pulLabels[ ulNewPos ]++; return 3; } static HB_LABEL_FUNC( hb_p_jumptruefar ) { BYTE * pAddr = &pFunc->pCode[ lPCodePos + 1 ]; ULONG ulNewPos = lPCodePos + HB_PCODE_MKINT24( pAddr ); cargo->fCondJump = TRUE; cargo->pulLabels[ ulNewPos ]++; return 4; } static HB_LABEL_FUNC( hb_p_seqalways ) { BYTE * pAddr = &pFunc->pCode[ lPCodePos + 1 ]; ULONG ulAlwaysPos = lPCodePos + HB_PCODE_MKINT24( pAddr ); if( cargo->fSetSeqBegin ) cargo->pulLabels[ ulAlwaysPos ]++; return 4; } static HB_LABEL_FUNC( hb_p_alwaysbegin ) { BYTE * pAddr = &pFunc->pCode[ lPCodePos + 1 ]; ULONG ulAlwaysEndPos = lPCodePos + HB_PCODE_MKINT24( pAddr ); if( cargo->fSetSeqBegin ) cargo->pulLabels[ ulAlwaysEndPos ]++; return 4; } static HB_LABEL_FUNC( hb_p_seqbegin ) { BYTE * pAddr = &pFunc->pCode[ lPCodePos + 1 ]; ULONG ulRecoverPos = lPCodePos + HB_PCODE_MKINT24( pAddr ); if( cargo->fSetSeqBegin ) cargo->pulLabels[ ulRecoverPos ]++; return 4; } static HB_LABEL_FUNC( hb_p_seqend ) { BYTE * pAddr = &pFunc->pCode[ lPCodePos + 1 ]; LONG lOffset = HB_PCODE_MKINT24( pAddr ); ULONG ulNewPos = lPCodePos + lOffset; if( cargo->fSetSeqBegin || lOffset != 4 ) cargo->pulLabels[ ulNewPos ]++; return 4; } /* NOTE: The order of functions have to match the order of opcodes * mnemonics */ static const PHB_LABEL_FUNC s_GenLabelFuncTable[] = { NULL, /* HB_P_AND, */ NULL, /* HB_P_ARRAYPUSH, */ NULL, /* HB_P_ARRAYPOP, */ NULL, /* HB_P_ARRAYDIM, */ NULL, /* HB_P_ARRAYGEN, */ NULL, /* HB_P_EQUAL, */ NULL, /* HB_P_ENDBLOCK, */ NULL, /* HB_P_ENDPROC, */ NULL, /* HB_P_EXACTLYEQUAL, */ NULL, /* HB_P_FALSE, */ NULL, /* HB_P_FORTEST, */ NULL, /* HB_P_FUNCTION, */ NULL, /* HB_P_FUNCTIONSHORT, */ NULL, /* HB_P_FRAME, */ NULL, /* HB_P_FUNCPTR, */ NULL, /* HB_P_GREATER, */ NULL, /* HB_P_GREATEREQUAL, */ NULL, /* HB_P_DEC, */ NULL, /* HB_P_DIVIDE, */ NULL, /* HB_P_DO, */ NULL, /* HB_P_DOSHORT, */ NULL, /* HB_P_DUPLICATE, */ NULL, /* HB_P_DUPLTWO, */ NULL, /* HB_P_INC, */ NULL, /* HB_P_INSTRING, */ hb_p_jumpnear, /* HB_P_JUMPNEAR, */ hb_p_jump, /* HB_P_JUMP, */ hb_p_jumpfar, /* HB_P_JUMPFAR, */ hb_p_jumpfalsenear, /* HB_P_JUMPFALSENEAR, */ hb_p_jumpfalse, /* HB_P_JUMPFALSE, */ hb_p_jumpfalsefar, /* HB_P_JUMPFALSEFAR, */ hb_p_jumptruenear, /* HB_P_JUMPTRUENEAR, */ hb_p_jumptrue, /* HB_P_JUMPTRUE, */ hb_p_jumptruefar, /* HB_P_JUMPTRUEFAR, */ NULL, /* HB_P_LESSEQUAL, */ NULL, /* HB_P_LESS, */ NULL, /* HB_P_LINE, */ NULL, /* HB_P_LOCALNAME, */ NULL, /* HB_P_MACROPOP, */ NULL, /* HB_P_MACROPOPALIASED, */ NULL, /* HB_P_MACROPUSH, */ NULL, /* HB_P_MACROARRAYGEN, */ NULL, /* HB_P_MACROPUSHLIST, */ NULL, /* HB_P_MACROPUSHINDEX, */ NULL, /* HB_P_MACROPUSHPARE, */ NULL, /* HB_P_MACROPUSHALIASED, */ NULL, /* HB_P_MACROSYMBOL, */ NULL, /* HB_P_MACROTEXT, */ NULL, /* HB_P_MESSAGE, */ NULL, /* HB_P_MINUS, */ NULL, /* HB_P_MODULUS, */ NULL, /* HB_P_MODULENAME, */ /* start: pcodes generated by macro compiler */ NULL, /* HB_P_MMESSAGE, */ NULL, /* HB_P_MPOPALIASEDFIELD, */ NULL, /* HB_P_MPOPALIASEDVAR, */ NULL, /* HB_P_MPOPFIELD, */ NULL, /* HB_P_MPOPMEMVAR, */ NULL, /* HB_P_MPUSHALIASEDFIELD, */ NULL, /* HB_P_MPUSHALIASEDVAR, */ NULL, /* HB_P_MPUSHBLOCK, */ NULL, /* HB_P_MPUSHFIELD, */ NULL, /* HB_P_MPUSHMEMVAR, */ NULL, /* HB_P_MPUSHMEMVARREF, */ NULL, /* HB_P_MPUSHSYM, */ NULL, /* HB_P_MPUSHVARIABLE, */ /* end: */ NULL, /* HB_P_MULT, */ NULL, /* HB_P_NEGATE, */ NULL, /* HB_P_NOOP, */ NULL, /* HB_P_NOT, */ NULL, /* HB_P_NOTEQUAL, */ NULL, /* HB_P_OR, */ NULL, /* HB_P_PARAMETER, */ NULL, /* HB_P_PLUS, */ NULL, /* HB_P_POP, */ NULL, /* HB_P_POPALIAS, */ NULL, /* HB_P_POPALIASEDFIELD, */ NULL, /* HB_P_POPALIASEDFIELDNEAR, */ NULL, /* HB_P_POPALIASEDVAR, */ NULL, /* HB_P_POPFIELD, */ NULL, /* HB_P_POPLOCAL, */ NULL, /* HB_P_POPLOCALNEAR, */ NULL, /* HB_P_POPMEMVAR, */ NULL, /* HB_P_POPSTATIC, */ NULL, /* HB_P_POPVARIABLE, */ NULL, /* HB_P_POWER, */ NULL, /* HB_P_PUSHALIAS, */ NULL, /* HB_P_PUSHALIASEDFIELD, */ NULL, /* HB_P_PUSHALIASEDFIELDNEAR, */ NULL, /* HB_P_PUSHALIASEDVAR, */ NULL, /* HB_P_PUSHBLOCK, */ NULL, /* HB_P_PUSHBLOCKSHORT, */ NULL, /* HB_P_PUSHFIELD, */ NULL, /* HB_P_PUSHBYTE, */ NULL, /* HB_P_PUSHINT, */ NULL, /* HB_P_PUSHLOCAL, */ NULL, /* HB_P_PUSHLOCALNEAR, */ NULL, /* HB_P_PUSHLOCALREF, */ NULL, /* HB_P_PUSHLONG, */ NULL, /* HB_P_PUSHMEMVAR, */ NULL, /* HB_P_PUSHMEMVARREF, */ NULL, /* HB_P_PUSHNIL, */ NULL, /* HB_P_PUSHDOUBLE, */ NULL, /* HB_P_PUSHSELF, */ NULL, /* HB_P_PUSHSTATIC, */ NULL, /* HB_P_PUSHSTATICREF, */ NULL, /* HB_P_PUSHSTR, */ NULL, /* HB_P_PUSHSTRSHORT, */ NULL, /* HB_P_PUSHSYM, */ NULL, /* HB_P_PUSHSYMNEAR, */ NULL, /* HB_P_PUSHVARIABLE, */ NULL, /* HB_P_RETVALUE, */ NULL, /* HB_P_SEND, */ NULL, /* HB_P_SENDSHORT, */ hb_p_seqbegin, /* HB_P_SEQBEGIN, */ hb_p_seqend, /* HB_P_SEQEND, */ NULL, /* HB_P_SEQRECOVER, */ NULL, /* HB_P_SFRAME, */ NULL, /* HB_P_STATICS, */ NULL, /* HB_P_STATICNAME, */ NULL, /* HB_P_SWAPALIAS, */ NULL, /* HB_P_TRUE, */ NULL, /* HB_P_ZERO, */ NULL, /* HB_P_ONE, */ NULL, /* HB_P_MACROFUNC, */ NULL, /* HB_P_MACRODO, */ NULL, /* HB_P_MPUSHSTR, */ NULL, /* HB_P_LOCALNEARADDINT, */ NULL, /* HB_P_MACROPUSHREF */ NULL, /* HB_P_PUSHLONGLONG */ NULL, /* HB_P_ENUMSTART */ NULL, /* HB_P_ENUMNEXT */ NULL, /* HB_P_ENUMPREV */ NULL, /* HB_P_ENUMEND */ NULL, /* HB_P_SWITCH */ NULL, /* HB_P_PUSHDATE */ /* optimalization of inlined math operations */ NULL, /* HB_P_PLUSEQPOP */ NULL, /* HB_P_MINUSEQPOP */ NULL, /* HB_P_MULTEQPOP */ NULL, /* HB_P_DIVEQPOP */ NULL, /* HB_P_PLUSEQ */ NULL, /* HB_P_MINUSEQ */ NULL, /* HB_P_MULTEQ */ NULL, /* HB_P_DIVEQ */ NULL, /* HB_P_WITHOBJECTSTART */ NULL, /* HB_P_WITHOBJECTMESSAGE */ NULL, /* HB_P_WITHOBJECTEND */ NULL, /* HB_P_MACROSEND */ NULL, /* HB_P_PUSHOVARREF */ NULL, /* HB_P_ARRAYPUSHREF */ NULL, /* HB_P_VFRAME */ NULL, /* HB_P_LARGEFRAME */ NULL, /* HB_P_LARGEVFRAME */ NULL, /* HB_P_PUSHSTRHIDDEN */ NULL, /* HB_P_LOCALADDINT */ NULL, /* HB_P_MODEQPOP */ NULL, /* HB_P_EXPEQPOP */ NULL, /* HB_P_MODEQ */ NULL, /* HB_P_EXPEQ */ NULL, /* HB_P_DUPLUNREF */ NULL, /* HB_P_MPUSHBLOCKLARGE */ NULL, /* HB_P_MPUSHSTRLARGE */ NULL, /* HB_P_PUSHBLOCKLARGE */ NULL, /* HB_P_PUSHSTRLARGE */ NULL, /* HB_P_SWAP */ NULL, /* HB_P_PUSHVPARAMS */ NULL, /* HB_P_PUSHUNREF */ hb_p_seqalways, /* HB_P_SEQALWAYS */ hb_p_alwaysbegin, /* HB_P_ALWAYSBEGIN */ NULL, /* HB_P_ALWAYSEND */ NULL, /* HB_P_DECEQPOP */ NULL, /* HB_P_INCEQPOP */ NULL, /* HB_P_DECEQ */ NULL, /* HB_P_INCEQ */ NULL, /* HB_P_LOCALDEC */ NULL, /* HB_P_LOCALINC */ NULL, /* HB_P_LOCALINCPUSH */ NULL, /* HB_P_PUSHFUNCSYM */ NULL, /* HB_P_HASHGEN */ NULL, /* HB_P_SEQBLOCK */ NULL /* HB_P_THREADSTATICS */ }; void hb_compGenLabelTable( PFUNCTION pFunc, PHB_LABEL_INFO label_info ) { const PHB_LABEL_FUNC * pFuncTable = s_GenLabelFuncTable; ULONG ulLabel = 0, ul; assert( HB_P_LAST_PCODE == sizeof( s_GenLabelFuncTable ) / sizeof( PHB_LABEL_FUNC ) ); hb_compPCodeEval( pFunc, ( HB_PCODE_FUNC_PTR * ) pFuncTable, ( void * ) label_info ); for( ul = 0; ul < pFunc->lPCodePos; ++ul ) { if( label_info->pulLabels[ ul ] ) { label_info->pulLabels[ ul ] = ++ulLabel; } } }