Files
harbour-core/harbour/include/hbexprb.c
2002-01-25 13:32:40 +00:00

3469 lines
108 KiB
C

/*
* $Id$
*/
/*
* Harbour Project source code:
* Compiler Expression Optimizer
*
* Copyright 1999 Ryszard Glab
* 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.
*
*/
/* TOFIX: Split the code, since MSC8 can't compile it, even in Huge model. */
/* TODO:
* - Correct post- and pre- operations to correctly handle the following code
* a[ i++ ]++
* Notice: in current implementation (an in Clipper too) 'i++' is evaluated
* two times! This causes that the new value (after incrementation) is
* stored in next element of the array.
*/
#include <math.h>
#include "hbcomp.h"
#include "hbmacro.ch"
/* memory allocation
*/
#define HB_XGRAB( size ) hb_xgrab( (size) )
#define HB_XFREE( pPtr ) hb_xfree( (void *)(pPtr) )
/* Forward declarations
*/
#if defined( HB_MACRO_SUPPORT )
void hb_compExprDelOperator( HB_EXPR_PTR, HB_MACRO_DECL );
void hb_compExprUseOperEq( HB_EXPR_PTR, BYTE, HB_MACRO_DECL );
void hb_compExprPushPreOp( HB_EXPR_PTR, BYTE, HB_MACRO_DECL );
void hb_compExprPushPostOp( HB_EXPR_PTR, BYTE, HB_MACRO_DECL );
void hb_compExprUsePreOp( HB_EXPR_PTR, BYTE, HB_MACRO_DECL );
void hb_compExprUseAliasMacro( HB_EXPR_PTR, BYTE, HB_MACRO_DECL );
void hb_compExprPushOperEq( HB_EXPR_PTR pSelf, BYTE bOpEq, HB_MACRO_DECL );
ULONG hb_compExprReduceList( HB_EXPR_PTR, HB_MACRO_DECL );
#define HB_SUPPORT_XBASE ( HB_COMP_ISSUPPORTED(HB_SM_XBASE) )
#define HB_SUPPORT_HARBOUR ( HB_COMP_ISSUPPORTED(HB_SM_HARBOUR) )
#else
void hb_compExprDelOperator( HB_EXPR_PTR );
void hb_compExprUseOperEq( HB_EXPR_PTR, BYTE );
void hb_compExprPushPreOp( HB_EXPR_PTR, BYTE );
void hb_compExprPushPostOp( HB_EXPR_PTR, BYTE );
void hb_compExprUsePreOp( HB_EXPR_PTR, BYTE );
void hb_compExprUseAliasMacro( HB_EXPR_PTR, BYTE );
void hb_compExprPushOperEq( HB_EXPR_PTR pSelf, BYTE bOpEq );
ULONG hb_compExprReduceList( HB_EXPR_PTR );
#define HB_SUPPORT_XBASE ( HB_COMP_ISSUPPORTED(HB_COMPFLAG_XBASE) )
#define HB_SUPPORT_HARBOUR ( HB_COMP_ISSUPPORTED(HB_COMPFLAG_HARBOUR) )
#endif
HB_EXPR_PTR hb_compExprReduceMod( HB_EXPR_PTR pSelf, HB_MACRO_DECL );
HB_EXPR_PTR hb_compExprReduceDiv( HB_EXPR_PTR pSelf, HB_MACRO_DECL );
HB_EXPR_PTR hb_compExprReduceMult( HB_EXPR_PTR pSelf, HB_MACRO_DECL );
HB_EXPR_PTR hb_compExprReduceMinus( HB_EXPR_PTR pSelf, HB_MACRO_DECL );
HB_EXPR_PTR hb_compExprReducePlus( HB_EXPR_PTR pSelf, HB_MACRO_DECL );
HB_EXPR_PTR hb_compExprReduceIN( HB_EXPR_PTR pSelf, HB_MACRO_DECL );
HB_EXPR_PTR hb_compExprReduceNE( HB_EXPR_PTR pSelf, HB_MACRO_DECL );
HB_EXPR_PTR hb_compExprReduceGE( HB_EXPR_PTR pSelf, HB_MACRO_DECL );
HB_EXPR_PTR hb_compExprReduceLE( HB_EXPR_PTR pSelf, HB_MACRO_DECL );
HB_EXPR_PTR hb_compExprReduceGT( HB_EXPR_PTR pSelf, HB_MACRO_DECL );
HB_EXPR_PTR hb_compExprReduceLT( HB_EXPR_PTR pSelf, HB_MACRO_DECL );
HB_EXPR_PTR hb_compExprReduceEQ( HB_EXPR_PTR pSelf, HB_MACRO_DECL );
HB_EXPR_PTR hb_compExprReduceAnd( HB_EXPR_PTR pSelf, HB_MACRO_DECL );
HB_EXPR_PTR hb_compExprReduceOr( HB_EXPR_PTR pSelf, HB_MACRO_DECL );
HB_EXPR_PTR hb_compExprReduceIIF( HB_EXPR_PTR, HB_MACRO_DECL );
/* forward declaration of callback functions
*/
static HB_EXPR_FUNC( hb_compExprUseDummy );
static HB_EXPR_FUNC( hb_compExprUseNil );
static HB_EXPR_FUNC( hb_compExprUseNumeric );
static HB_EXPR_FUNC( hb_compExprUseString );
static HB_EXPR_FUNC( hb_compExprUseCodeblock );
static HB_EXPR_FUNC( hb_compExprUseLogical );
static HB_EXPR_FUNC( hb_compExprUseSelf );
static HB_EXPR_FUNC( hb_compExprUseArray );
static HB_EXPR_FUNC( hb_compExprUseVarRef );
static HB_EXPR_FUNC( hb_compExprUseFunRef );
static HB_EXPR_FUNC( hb_compExprUseIIF );
static HB_EXPR_FUNC( hb_compExprUseList );
static HB_EXPR_FUNC( hb_compExprUseArgList );
static HB_EXPR_FUNC( hb_compExprUseArrayAt );
static HB_EXPR_FUNC( hb_compExprUseMacro );
static HB_EXPR_FUNC( hb_compExprUseFunCall );
static HB_EXPR_FUNC( hb_compExprUseAliasVar );
static HB_EXPR_FUNC( hb_compExprUseAliasExpr );
static HB_EXPR_FUNC( hb_compExprUseSend );
static HB_EXPR_FUNC( hb_compExprUseFunName );
static HB_EXPR_FUNC( hb_compExprUseAlias );
static HB_EXPR_FUNC( hb_compExprUseRTVariable );
static HB_EXPR_FUNC( hb_compExprUseVariable );
static HB_EXPR_FUNC( hb_compExprUseAssign );
static HB_EXPR_FUNC( hb_compExprUseEqual );
static HB_EXPR_FUNC( hb_compExprUsePlus );
static HB_EXPR_FUNC( hb_compExprUseMinus );
static HB_EXPR_FUNC( hb_compExprUseMult );
static HB_EXPR_FUNC( hb_compExprUseDiv );
static HB_EXPR_FUNC( hb_compExprUseMod );
static HB_EXPR_FUNC( hb_compExprUsePower );
static HB_EXPR_FUNC( hb_compExprUsePostInc );
static HB_EXPR_FUNC( hb_compExprUsePostDec );
static HB_EXPR_FUNC( hb_compExprUsePreInc );
static HB_EXPR_FUNC( hb_compExprUsePreDec );
static HB_EXPR_FUNC( hb_compExprUsePlusEq );
static HB_EXPR_FUNC( hb_compExprUseMinusEq );
static HB_EXPR_FUNC( hb_compExprUseMultEq );
static HB_EXPR_FUNC( hb_compExprUseDivEq );
static HB_EXPR_FUNC( hb_compExprUseModEq );
static HB_EXPR_FUNC( hb_compExprUseExpEq );
static HB_EXPR_FUNC( hb_compExprUseAnd );
static HB_EXPR_FUNC( hb_compExprUseOr );
static HB_EXPR_FUNC( hb_compExprUseNot );
static HB_EXPR_FUNC( hb_compExprUseEQ );
static HB_EXPR_FUNC( hb_compExprUseLT );
static HB_EXPR_FUNC( hb_compExprUseGT );
static HB_EXPR_FUNC( hb_compExprUseLE );
static HB_EXPR_FUNC( hb_compExprUseGE );
static HB_EXPR_FUNC( hb_compExprUseNE );
static HB_EXPR_FUNC( hb_compExprUseIN );
static HB_EXPR_FUNC( hb_compExprUseNegate );
HB_EXPR_FUNC_PTR hb_comp_ExprTable[] = {
hb_compExprUseDummy,
hb_compExprUseNil,
hb_compExprUseNumeric,
hb_compExprUseString,
hb_compExprUseCodeblock,
hb_compExprUseLogical,
hb_compExprUseSelf,
hb_compExprUseArray,
hb_compExprUseVarRef,
hb_compExprUseFunRef,
hb_compExprUseIIF,
hb_compExprUseList,
hb_compExprUseArgList,
hb_compExprUseArrayAt,
hb_compExprUseMacro,
hb_compExprUseFunCall,
hb_compExprUseAliasVar,
hb_compExprUseAliasExpr,
hb_compExprUseSend,
hb_compExprUseFunName,
hb_compExprUseAlias,
hb_compExprUseRTVariable,
hb_compExprUseVariable,
hb_compExprUsePostInc, /* post-operators -> lowest precedence */
hb_compExprUsePostDec,
hb_compExprUseAssign, /* assigments */
hb_compExprUsePlusEq,
hb_compExprUseMinusEq,
hb_compExprUseMultEq,
hb_compExprUseDivEq,
hb_compExprUseModEq,
hb_compExprUseExpEq,
hb_compExprUseOr, /* logical operators */
hb_compExprUseAnd,
hb_compExprUseNot,
hb_compExprUseEqual, /* relational operators */
hb_compExprUseEQ,
hb_compExprUseLT,
hb_compExprUseGT,
hb_compExprUseLE,
hb_compExprUseGE,
hb_compExprUseNE,
hb_compExprUseIN,
hb_compExprUsePlus, /* addition */
hb_compExprUseMinus,
hb_compExprUseMult, /* multiple */
hb_compExprUseDiv,
hb_compExprUseMod,
hb_compExprUsePower,
hb_compExprUseNegate, /* sign operator */
hb_compExprUsePreInc,
hb_compExprUsePreDec /* highest precedence */
};
/* ************************************************************************* */
static HB_EXPR_FUNC( hb_compExprUseDummy )
{
switch( iMessage )
{
case HB_EA_REDUCE:
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf );
case HB_EA_ARRAY_INDEX:
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_PUSHNIL );
break;
case HB_EA_POP_PCODE:
case HB_EA_PUSH_POP:
case HB_EA_STATEMENT:
case HB_EA_DELETE:
break;
}
return pSelf;
}
/* actions for HB_ET_NIL expression
*/
static HB_EXPR_FUNC( hb_compExprUseNil )
{
switch( iMessage )
{
case HB_EA_REDUCE:
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf );
break;
case HB_EA_ARRAY_INDEX:
hb_compErrorIndex( pSelf ); /* NIL cannot be used as index element */
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_PUSHNIL );
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
case HB_EA_STATEMENT:
hb_compWarnMeaningless( pSelf );
case HB_EA_DELETE:
break;
}
return pSelf;
}
/* actions for HB_ET_NUMERIC expression
*/
static HB_EXPR_FUNC( hb_compExprUseNumeric )
{
switch( iMessage )
{
case HB_EA_REDUCE:
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf );
break;
case HB_EA_ARRAY_INDEX:
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
if( pSelf->value.asNum.NumType == HB_ET_DOUBLE )
HB_EXPR_PCODE3( hb_compGenPushDouble, pSelf->value.asNum.dVal, pSelf->value.asNum.bWidth, pSelf->value.asNum.bDec );
else
HB_EXPR_PCODE1( hb_compGenPushLong, pSelf->value.asNum.lVal );
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
case HB_EA_STATEMENT:
hb_compWarnMeaningless( pSelf );
case HB_EA_DELETE:
break;
}
return pSelf;
}
/* actions for HB_ET_STRING expression
*/
static HB_EXPR_FUNC( hb_compExprUseString )
{
switch( iMessage )
{
case HB_EA_REDUCE:
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf );
break;
case HB_EA_ARRAY_INDEX:
hb_compErrorIndex( pSelf ); /* string cannot be used as index element */
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
{
HB_EXPR_PCODE2( hb_compGenPushString, pSelf->value.asString.string, pSelf->ulLength );
if( hb_compExprCheckMacroVar( pSelf->value.asString.string ) )
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_MACROTEXT );
}
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
case HB_EA_STATEMENT:
hb_compWarnMeaningless( pSelf );
break;
case HB_EA_DELETE:
if( pSelf->value.asString.dealloc )
HB_XFREE( pSelf->value.asString.string );
break;
}
return pSelf;
}
/* actions for HB_ET_CODEBLOCK expression
*/
static HB_EXPR_FUNC( hb_compExprUseCodeblock )
{
switch( iMessage )
{
case HB_EA_REDUCE:
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf );
break;
case HB_EA_ARRAY_INDEX:
hb_compErrorIndex( pSelf ); /* codeblock cannot be used as index element */
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
{
HB_EXPR_PTR pExpr, pNext;
HB_EXPR_PTR * pPrev;
HB_EXPR_PCODE0( hb_compCodeBlockStart );
/* Define requested local variables
*/
#if defined( HB_MACRO_SUPPORT )
HB_PCODE_DATA->pLocals = ( HB_CBVAR_PTR ) pSelf->value.asList.pIndex;
#else
{
HB_CBVAR_PTR pVar;
pVar = ( HB_CBVAR_PTR ) pSelf->value.asList.pIndex;
while( pVar )
{
hb_compVariableAdd( pVar->szName, pVar->bType );
pVar =pVar->pNext;
}
}
#endif
pExpr = pSelf->value.asList.pExprList;
pPrev = &pSelf->value.asList.pExprList;
while( pExpr )
{
if( pExpr->ExprType == HB_ET_MACRO )
{
/* Clipper allows for list expressions in a codeblock
* macro := "1,2"
* EVAL( {|| &macro} )
*/
pExpr->value.asMacro.SubType |= HB_ET_MACRO_PARE;
}
/* store next expression in case the current will be reduced
* NOTE: During reduction the expression can be replaced by the
* new one - this will break the linked list of expressions.
*/
pNext = pExpr->pNext; /* store next expression in case the current will be reduced */
pExpr = HB_EXPR_USE( pExpr, HB_EA_REDUCE );
/* Generate push/pop pcodes for all expresions except the last one
* The value of the last expression is used as a return value
* of a codeblock evaluation
*/
/* NOTE: This will genereate warnings if constant value is
* used as an expression - some operators will generate it too
* e.g.
* EVAL( {|| 3+5, func()} )
*/
*pPrev = pExpr; /* store a new expression into the previous one */
pExpr->pNext = pNext; /* restore the link to next expression */
if( pNext )
HB_EXPR_USE( pExpr, HB_EA_PUSH_POP );
else
HB_EXPR_USE( pExpr, HB_EA_PUSH_PCODE );
pPrev = &pExpr->pNext;
pExpr = pNext;
}
HB_EXPR_PCODE0( hb_compCodeBlockEnd );
}
break;
case HB_EA_POP_PCODE:
case HB_EA_PUSH_POP:
case HB_EA_STATEMENT:
hb_compWarnMeaningless( pSelf );
break;
case HB_EA_DELETE:
{
HB_EXPR_PTR pExp = pSelf->value.asList.pExprList;
HB_EXPR_PTR pNext;
hb_compExprCBVarDel( ( HB_CBVAR_PTR ) pSelf->value.asList.pIndex );
/* Delete all expressions of the block.
*/
while( pExp )
{
pNext = pExp->pNext;
HB_EXPR_PCODE1( hb_compExprDelete, pExp );
pExp = pNext;
}
break;
}
}
return pSelf;
}
/* actions for HB_ET_LOGICAL expression
*/
static HB_EXPR_FUNC( hb_compExprUseLogical )
{
switch( iMessage )
{
case HB_EA_REDUCE:
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf );
break;
case HB_EA_ARRAY_INDEX:
hb_compErrorIndex( pSelf ); /* logical cannot be used as array index element */
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
HB_EXPR_PCODE1( hb_compGenPushLogical, pSelf->value.asLogical );
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
case HB_EA_STATEMENT:
hb_compWarnMeaningless( pSelf );
case HB_EA_DELETE:
break;
}
return pSelf;
}
/* actions for HB_ET_SELF expression
*/
static HB_EXPR_FUNC( hb_compExprUseSelf )
{
switch( iMessage )
{
case HB_EA_REDUCE:
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf ); /* QUESTION: Is this OK ? */
break;
case HB_EA_ARRAY_INDEX:
hb_compErrorIndex( pSelf ); /* SELF cannot be used as array index element */
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_PUSHSELF );
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
case HB_EA_STATEMENT:
hb_compWarnMeaningless( pSelf );
case HB_EA_DELETE:
break;
}
return pSelf;
}
/* actions for a literal array { , , , ... }
*/
static HB_EXPR_FUNC( hb_compExprUseArray )
{
switch( iMessage )
{
case HB_EA_REDUCE:
HB_EXPR_PCODE1( hb_compExprReduceList, pSelf );
break;
case HB_EA_ARRAY_AT:
break;
case HB_EA_ARRAY_INDEX:
hb_compErrorIndex( pSelf ); /* array cannot be used as index element */
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
{
HB_EXPR_PTR pElem = pSelf->value.asList.pExprList;
/* Push all elements of the array
*/
if( ( pElem == NULL ) || ( pElem->ExprType == HB_ET_NONE && pElem->pNext == NULL ) )
HB_EXPR_GENPCODE3( hb_compGenPCode3, HB_P_ARRAYGEN, 0, 0, ( BOOL ) 1 );
else
{
BOOL bMacroList = FALSE;
/* Find out if macro is used as one of the elements- if so generate a prefix HB_P_MACROLIST. */
if( HB_SUPPORT_XBASE )
{
while( pElem )
{
if( pElem->ExprType == HB_ET_MACRO )
{
pElem->value.asMacro.SubType |= HB_ET_MACRO_LIST;
bMacroList = TRUE;
}
pElem = pElem->pNext;
}
}
if( bMacroList )
{
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_MACROLIST );
}
pElem = pSelf->value.asList.pExprList;
while( pElem )
{
HB_EXPR_USE( pElem, HB_EA_PUSH_PCODE );
pElem = pElem->pNext;
}
if( bMacroList )
{
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_MACROLISTEND );
}
HB_EXPR_GENPCODE3( hb_compGenPCode3, HB_P_ARRAYGEN, HB_LOBYTE( pSelf->ulLength ), HB_HIBYTE( pSelf->ulLength ), ( BOOL ) 1 );
}
}
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
{
HB_EXPR_PTR pElem = pSelf->value.asList.pExprList;
/* Push non-constant values only
*/
while( pElem )
{
HB_EXPR_USE( pElem, HB_EA_PUSH_POP );
pElem = pElem->pNext;
}
}
break;
case HB_EA_STATEMENT:
hb_compWarnMeaningless( pSelf );
break;
case HB_EA_DELETE:
{
HB_EXPR_PTR pElem = pSelf->value.asList.pExprList;
/* Delete all elements of the array
*/
HB_EXPR_PTR pNext;
while( pElem )
{
pNext = pElem->pNext;
HB_EXPR_PCODE1( hb_compExprDelete, pElem );
pElem = pNext;
}
}
break;
}
return pSelf;
}
/* actions for HB_ET_VARREF expression
*/
static HB_EXPR_FUNC( hb_compExprUseVarRef )
{
switch( iMessage )
{
case HB_EA_REDUCE:
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf );
break;
case HB_EA_ARRAY_INDEX:
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
HB_EXPR_PCODE1( hb_compGenPushVarRef, pSelf->value.asSymbol );
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
case HB_EA_STATEMENT:
hb_compWarnMeaningless( pSelf );
case HB_EA_DELETE:
break;
}
return pSelf;
}
/* actions for HB_ET_FUNREF expression
*/
static HB_EXPR_FUNC( hb_compExprUseFunRef )
{
switch( iMessage )
{
case HB_EA_REDUCE:
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf );
break;
case HB_EA_ARRAY_INDEX:
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
HB_EXPR_PCODE1( hb_compGenPushFunCall, pSelf->value.asSymbol );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_FUNCPTR );
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
case HB_EA_STATEMENT:
hb_compWarnMeaningless( pSelf );
case HB_EA_DELETE:
break;
}
return pSelf;
}
/* actions for HB_ET_IIF expression
*/
static HB_EXPR_FUNC( hb_compExprUseIIF )
{
switch( iMessage )
{
case HB_EA_REDUCE:
HB_EXPR_PCODE1( hb_compExprReduceList, pSelf );
pSelf = hb_compExprReduceIIF( pSelf, HB_MACRO_PARAM );
break;
case HB_EA_ARRAY_AT:
case HB_EA_ARRAY_INDEX:
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
{
/* this is called if all three parts of IIF expression should be generated
*/
LONG lPosFalse, lPosEnd;
HB_EXPR_PTR pExpr = pSelf->value.asList.pExprList;
HB_EXPR_USE( pExpr, HB_EA_PUSH_PCODE );
lPosFalse = HB_EXPR_PCODE1( hb_compGenJumpFalse, 0 );
pExpr =pExpr->pNext;
HB_EXPR_USE( pExpr, HB_EA_PUSH_PCODE );
lPosEnd = HB_EXPR_PCODE1( hb_compGenJump, 0 );
pExpr =pExpr->pNext;
HB_EXPR_PCODE1( hb_compGenJumpHere, lPosFalse );
HB_EXPR_USE( pExpr, HB_EA_PUSH_PCODE );
HB_EXPR_PCODE1( hb_compGenJumpHere, lPosEnd );
}
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
case HB_EA_STATEMENT:
{
HB_EXPR_USE( pSelf, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_POP ); /* remove a value if used in statement */
}
break;
case HB_EA_DELETE:
if( pSelf->value.asList.pExprList )
{
HB_EXPR_PTR pTmp, pExpr = pSelf->value.asList.pExprList;
while( pExpr )
{
pTmp = pExpr->pNext; /* store next expression */
HB_EXPR_PCODE1( hb_compExprDelete, pExpr );
pExpr =pTmp;
}
pSelf->value.asList.pExprList = NULL;
}
break;
}
return pSelf; /* return self */
}
/* NOTE: In PUSH operation it leaves on the eval stack the last expression only
*/
static HB_EXPR_FUNC( hb_compExprUseList )
{
switch( iMessage )
{
case HB_EA_REDUCE:
{
if( HB_SUPPORT_XBASE )
{
if( hb_compExprListLen( pSelf ) == 1 )
{
if( pSelf->value.asList.pExprList->ExprType == HB_ET_MACRO )
{
pSelf->value.asList.pExprList->value.asMacro.SubType |= HB_ET_MACRO_PARE;
}
}
}
HB_EXPR_PCODE1( hb_compExprReduceList, pSelf );
/* NOTE: if the list contains a single expression then the list
* is not reduced to this expression - if you need that reduction
* then call hb_compExprListStrip() additionaly
*/
}
break;
case HB_EA_ARRAY_AT:
case HB_EA_ARRAY_INDEX:
break;
case HB_EA_LVALUE:
if( hb_compExprListLen( pSelf ) == 1 )
{
/* For example:
* ( a ) := 4
*/
hb_compErrorLValue( pSelf->value.asList.pExprList );
}
else
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
{
HB_EXPR_PTR pExpr = pSelf->value.asList.pExprList;
if( pExpr->ExprType == HB_ET_NONE && pExpr->pNext == NULL )
{
/* Empty list was used ()
*/
hb_compErrorSyntax( pExpr );
}
else
{
while( pExpr )
{
if( HB_SUPPORT_XBASE )
{
if( pExpr->ExprType == HB_ET_MACRO )
{
pExpr->value.asMacro.SubType |= HB_ET_MACRO_PARE;
}
}
if( pExpr->pNext )
HB_EXPR_USE( pExpr, HB_EA_PUSH_POP );
else
HB_EXPR_USE( pExpr, HB_EA_PUSH_PCODE ); /* the last expression */
pExpr = pExpr->pNext;
}
}
}
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
case HB_EA_STATEMENT:
{
HB_EXPR_PTR pExpr = pSelf->value.asList.pExprList;
while( pExpr )
{
if( HB_SUPPORT_XBASE )
{
if( pExpr->ExprType == HB_ET_MACRO )
{
pExpr->value.asMacro.SubType |= HB_ET_MACRO_PARE;
}
}
HB_EXPR_USE( pExpr, HB_EA_PUSH_POP );
pExpr = pExpr->pNext;
}
}
break;
case HB_EA_DELETE:
if( pSelf->value.asList.pExprList )
{
HB_EXPR_PTR pTmp, pExpr = pSelf->value.asList.pExprList;
while( pExpr )
{
pTmp = pExpr->pNext; /* store next expression */
HB_EXPR_PCODE1( hb_compExprDelete, pExpr );
pExpr =pTmp;
}
pSelf->value.asList.pExprList = NULL;
}
break;
}
return pSelf;
}
/* NOTE: In PUSH operation it leaves all expressions on the eval stack
*/
static HB_EXPR_FUNC( hb_compExprUseArgList )
{
switch( iMessage )
{
case HB_EA_REDUCE:
HB_EXPR_PCODE1( hb_compExprReduceList, pSelf );
break;
case HB_EA_ARRAY_AT:
case HB_EA_ARRAY_INDEX:
case HB_EA_LVALUE:
break;
case HB_EA_PUSH_PCODE:
{
HB_EXPR_PTR pExpr = pSelf->value.asList.pExprList;
while( pExpr )
{
HB_EXPR_USE( pExpr, HB_EA_PUSH_PCODE );
pExpr = pExpr->pNext;
}
}
break;
case HB_EA_POP_PCODE:
case HB_EA_PUSH_POP:
case HB_EA_STATEMENT:
break;
case HB_EA_DELETE:
if( pSelf->value.asList.pExprList )
{
HB_EXPR_PTR pTmp, pExpr = pSelf->value.asList.pExprList;
while( pExpr )
{
pTmp = pExpr->pNext; /* store next expression */
HB_EXPR_PCODE1( hb_compExprDelete, pExpr );
pExpr =pTmp;
}
pSelf->value.asList.pExprList = NULL;
}
break;
}
return pSelf;
}
/* handler for ( ( array[ idx ] )[ idx ] )[ idx ]
*/
static HB_EXPR_FUNC( hb_compExprUseArrayAt )
{
switch( iMessage )
{
case HB_EA_REDUCE:
{
HB_EXPR_PTR pIdx;
pSelf->value.asList.pExprList = HB_EXPR_USE( pSelf->value.asList.pExprList, HB_EA_REDUCE );
pSelf->value.asList.pIndex = HB_EXPR_USE( pSelf->value.asList.pIndex, HB_EA_REDUCE );
pIdx = pSelf->value.asList.pIndex;
if( pIdx->ExprType == HB_ET_NUMERIC )
{
HB_EXPR_PTR pExpr = pSelf->value.asList.pExprList; /* the expression that holds an array */
if( pExpr->ExprType == HB_ET_ARRAY ) /* is it a literal array */
{
LONG lIndex;
pExpr = pExpr->value.asList.pExprList; /* the first element in the array */
if( pIdx->value.asNum.NumType == HB_ET_LONG )
lIndex = pIdx->value.asNum.lVal;
else
lIndex = ( LONG ) pIdx->value.asNum.dVal;
if( lIndex > 0 )
{
while( --lIndex && pExpr )
pExpr = pExpr->pNext;
}
else
pExpr = NULL; /* index is <= 0 - generate bound error */
if( pExpr ) /* found ? */
{
/* extract a single expression from the array
*/
HB_EXPR_PTR pNew = hb_compExprNew( HB_ET_NONE );
memcpy( pNew, pExpr, sizeof( HB_EXPR ) );
/* This will suppres releasing of memory occupied by components of
* the expression - we have just copied them into the new expression.
* This method is simpler then traversing the list and releasing all
* but this choosen one.
*/
pExpr->ExprType = HB_ET_NONE;
/* Here comes the magic */
HB_EXPR_PCODE1( hb_compExprDelete, pSelf );
pSelf = pNew;
}
else
{
hb_compErrorBound( pIdx );
}
}
else
{
LONG lIndex;
if( pIdx->value.asNum.NumType == HB_ET_LONG )
lIndex = pIdx->value.asNum.lVal;
else
lIndex = ( LONG ) pIdx->value.asNum.dVal;
if( lIndex > 0 )
HB_EXPR_USE( pExpr, HB_EA_ARRAY_AT );
else
hb_compErrorBound( pIdx ); /* index <= 0 - bound error */
}
}
}
break;
case HB_EA_ARRAY_AT:
case HB_EA_ARRAY_INDEX:
case HB_EA_LVALUE:
break;
case HB_EA_PUSH_PCODE:
{
HB_EXPR_USE( pSelf->value.asList.pExprList, HB_EA_PUSH_PCODE );
if( HB_SUPPORT_XBASE )
{
if( pSelf->value.asList.pIndex->ExprType == HB_ET_MACRO )
{
pSelf->value.asList.pIndex->value.asMacro.SubType |= HB_ET_MACRO_INDEX;
}
}
HB_EXPR_USE( pSelf->value.asList.pIndex, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_ARRAYPUSH );
}
break;
case HB_EA_POP_PCODE:
{
HB_EXPR_USE( pSelf->value.asList.pExprList, HB_EA_PUSH_PCODE );
HB_EXPR_USE( pSelf->value.asList.pIndex, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_ARRAYPOP );
}
break;
case HB_EA_PUSH_POP:
{
/* NOTE: This is highly optimized code - this will work even
* if accessed value isn't an array. It will work also if
* the index is invalid
*/
HB_EXPR_USE( pSelf->value.asList.pExprList, HB_EA_PUSH_POP );
HB_EXPR_USE( pSelf->value.asList.pIndex, HB_EA_PUSH_POP );
}
/* no break */
case HB_EA_STATEMENT:
hb_compWarnMeaningless( pSelf );
break;
case HB_EA_DELETE:
HB_EXPR_PCODE1( hb_compExprDelete, pSelf->value.asList.pExprList );
HB_EXPR_PCODE1( hb_compExprDelete, pSelf->value.asList.pIndex );
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUseMacro )
{
switch( iMessage )
{
case HB_EA_REDUCE:
case HB_EA_ARRAY_AT:
case HB_EA_ARRAY_INDEX:
case HB_EA_LVALUE:
break;
case HB_EA_PUSH_PCODE:
{
if( pSelf->value.asMacro.pExprList )
{
/* macro expression: &( expressions_list )
* NOTE: only the last expression will be macro-compiled
*/
HB_EXPR_USE( pSelf->value.asMacro.pExprList, HB_EA_PUSH_PCODE );
}
else
{
if( pSelf->value.asMacro.cMacroOp )
{
/* simple macro variable expansion: &variable
* 'szMacro' is a variable name
*/
HB_EXPR_PCODE1( hb_compGenPushVar, pSelf->value.asMacro.szMacro );
}
else
{
/* complex macro expression: prefix&var.suffix
* all components should be placed as a string that will
* be compiled after text susbstitution
*/
HB_EXPR_PCODE2( hb_compGenPushString, pSelf->value.asMacro.szMacro, strlen(pSelf->value.asMacro.szMacro) );
}
}
/* compile & run - leave a result on the eval stack
*/
if( pSelf->value.asMacro.SubType == HB_ET_MACRO_SYMBOL )
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_MACROSYMBOL );
else if( pSelf->value.asMacro.SubType != HB_ET_MACRO_ALIASED )
{
if( pSelf->value.asMacro.SubType & HB_ET_MACRO_ARGLIST )
{
/* funCall( &macro )
*/
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_MACROPUSHARG );
/* Always add add byte to pcode indicating requested macro compiler flag. */
#if defined( HB_MACRO_SUPPORT )
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_COMPFLAG_RT_MACRO );
#else
HB_EXPR_GENPCODE1( hb_compGenPData1,
(
( hb_comp_Supported & HB_COMPFLAG_HARBOUR ? HB_SM_HARBOUR : 0 ) |
( hb_comp_Supported & HB_COMPFLAG_XBASE ? HB_SM_XBASE : 0 ) |
( hb_comp_bShortCuts ? HB_SM_SHORTCUTS : 0 ) |
( hb_comp_Supported & HB_COMPFLAG_RT_MACRO ? HB_SM_RT_MACRO : 0 )
)
);
#endif
/* Generate push symbol for the symbol the possible extra macro arguments will be for. */
HB_EXPR_USE( pSelf->value.asMacro.pFunCall->value.asFunCall.pFunName, HB_EA_PUSH_PCODE );
}
else if( pSelf->value.asMacro.SubType & HB_ET_MACRO_LIST )
{
/* { &macro }
*/
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_MACROPUSHLIST );
}
else if( pSelf->value.asMacro.SubType & HB_ET_MACRO_INDEX )
{
/* var[ &macro ] */
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_MACROPUSHINDEX );
}
else if( pSelf->value.asMacro.SubType & HB_ET_MACRO_PARE )
{
/* var := (somevalue, &macro) - in xbase compatibility mode
* EVAL( {|| &macro} ) - in all cases
*/
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_MACROPUSHPARE );
}
else
{
/* usual &macro */
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_MACROPUSH );
}
}
if( ( pSelf->value.asMacro.SubType != HB_ET_MACRO_SYMBOL ) &&
( pSelf->value.asMacro.SubType != HB_ET_MACRO_ALIASED && ! ( pSelf->value.asMacro.SubType & HB_ET_MACRO_ARGLIST ) ) )
{
/* Always add add byte to pcode indicating requested macro compiler flag. */
#if defined( HB_MACRO_SUPPORT )
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_COMPFLAG_RT_MACRO );
#else
HB_EXPR_GENPCODE1( hb_compGenPData1,
(
( hb_comp_Supported & HB_COMPFLAG_HARBOUR ? HB_SM_HARBOUR : 0 ) |
( hb_comp_Supported & HB_COMPFLAG_XBASE ? HB_SM_XBASE : 0 ) |
( hb_comp_bShortCuts ? HB_SM_SHORTCUTS : 0 ) |
( hb_comp_Supported & HB_COMPFLAG_RT_MACRO ? HB_SM_RT_MACRO : 0 )
)
);
#endif
}
/* NOTE: pcode for alias context is generated in
* hb_compExprUseAliasVar()
*/
}
break;
case HB_EA_POP_PCODE:
{
if( pSelf->value.asMacro.pExprList )
{
/* macro expression: &( expressions_list )
* NOTE: only the last expression will be macro-compiled
*/
HB_EXPR_USE( pSelf->value.asMacro.pExprList, HB_EA_PUSH_PCODE );
}
else
{
if( pSelf->value.asMacro.cMacroOp )
{
/* simple macro variable expansion: &variable
* 'szMacro' is a variable name
*/
HB_EXPR_PCODE1( hb_compGenPushVar, pSelf->value.asMacro.szMacro );
}
else
{
/* complex macro expression: prefix&var.suffix
* all components should be placed as a string that will
* be compiled after text susbstitution
*/
HB_EXPR_PCODE2( hb_compGenPushString, pSelf->value.asMacro.szMacro, strlen(pSelf->value.asMacro.szMacro) );
}
}
/* compile & run - macro compiler will generate pcode to pop a value
* from the eval stack
*/
if( pSelf->value.asMacro.SubType != HB_ET_MACRO_ALIASED )
{
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_MACROPOP );
/* Always add add byte to pcode indicating requested macro compiler flag. */
#if defined( HB_MACRO_SUPPORT )
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_COMPFLAG_RT_MACRO );
#else
HB_EXPR_GENPCODE1( hb_compGenPData1,
(
( hb_comp_Supported & HB_COMPFLAG_HARBOUR ? HB_SM_HARBOUR : 0 ) |
( hb_comp_Supported & HB_COMPFLAG_XBASE ? HB_SM_XBASE : 0 ) |
( hb_comp_bShortCuts ? HB_SM_SHORTCUTS : 0 ) |
( hb_comp_Supported & HB_COMPFLAG_RT_MACRO ? HB_SM_RT_MACRO : 0 )
)
);
#endif
}
}
break;
case HB_EA_PUSH_POP:
case HB_EA_STATEMENT:
HB_EXPR_USE( pSelf, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_POP );
break;
case HB_EA_DELETE:
if( pSelf->value.asMacro.pExprList )
HB_EXPR_PCODE1( hb_compExprDelete, pSelf->value.asMacro.pExprList );
#if defined( HB_MACRO_SUPPORT )
if( pSelf->value.asMacro.szMacro )
HB_XFREE( pSelf->value.asMacro.szMacro );
#else
/* NOTE: This will be released during releasing of symbols' table */
#endif
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUseFunCall )
{
switch( iMessage )
{
case HB_EA_REDUCE:
{
/* Reduce the expressions on the list of arguments
*/
if( pSelf->value.asFunCall.pParms )
pSelf->value.asFunCall.pParms = HB_EXPR_USE( pSelf->value.asFunCall.pParms, HB_EA_REDUCE );
}
break;
case HB_EA_ARRAY_AT:
case HB_EA_ARRAY_INDEX:
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
{
USHORT usCount;
HB_EXPR_USE( pSelf->value.asFunCall.pFunName, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_PUSHNIL );
if( pSelf->value.asFunCall.pParms )
{
/* NOTE: pParms will be NULL in 'DO procname' (if there is
* no WITH keyword)
*/
usCount = ( USHORT ) hb_compExprListLen( pSelf->value.asFunCall.pParms );
if( usCount == 1 && pSelf->value.asFunCall.pParms->value.asList.pExprList->ExprType == HB_ET_NONE )
--usCount;
if( usCount )
{
if( HB_SUPPORT_XBASE )
{
/* check if &macro is used as a function call argument */
HB_EXPR_PTR pExpr = pSelf->value.asFunCall.pParms->value.asList.pExprList;
while( pExpr )
{
if( pExpr->ExprType == HB_ET_MACRO )
{
pExpr->value.asMacro.SubType |= HB_ET_MACRO_ARGLIST;
pExpr->value.asMacro.pFunCall = pSelf;
}
pExpr = pExpr->pNext;
}
}
HB_EXPR_USE( pSelf->value.asFunCall.pParms, HB_EA_PUSH_PCODE );
}
}
else
usCount = 0;
if( usCount > 255 )
HB_EXPR_GENPCODE3( hb_compGenPCode3, HB_P_FUNCTION, HB_LOBYTE( usCount ), HB_HIBYTE( usCount ), ( BOOL ) 1 );
else
HB_EXPR_GENPCODE2( hb_compGenPCode2, HB_P_FUNCTIONSHORT, ( BYTE ) usCount, ( BOOL ) 1 );
}
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
case HB_EA_STATEMENT:
{
USHORT usCount;
HB_EXPR_USE( pSelf->value.asFunCall.pFunName, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_PUSHNIL );
if( pSelf->value.asFunCall.pParms )
{
usCount = ( USHORT ) hb_compExprListLen( pSelf->value.asFunCall.pParms );
if( usCount == 1 && pSelf->value.asFunCall.pParms->value.asList.pExprList->ExprType == HB_ET_NONE )
--usCount;
if( usCount )
{
if( HB_SUPPORT_XBASE )
{
HB_EXPR_PTR pExpr = pSelf->value.asFunCall.pParms->value.asList.pExprList;
/* check if &macro is used as a function call argument */
while( pExpr )
{
if( pExpr->ExprType == HB_ET_MACRO )
{
/* &macro was passed - handle it differently then in a normal statement */
pExpr->value.asMacro.SubType |= HB_ET_MACRO_ARGLIST;
pExpr->value.asMacro.pFunCall = pSelf;
}
pExpr = pExpr->pNext;
}
}
HB_EXPR_USE( pSelf->value.asFunCall.pParms, HB_EA_PUSH_PCODE );
}
}
else
usCount = 0;
if( usCount > 255 )
HB_EXPR_GENPCODE3( hb_compGenPCode3, HB_P_DO, HB_LOBYTE( usCount ), HB_HIBYTE( usCount ), ( BOOL ) 1 );
else
HB_EXPR_GENPCODE2( hb_compGenPCode2, HB_P_DOSHORT, ( BYTE ) usCount, ( BOOL ) 1 );
}
break;
case HB_EA_DELETE:
if( pSelf->value.asFunCall.pParms )
HB_EXPR_PCODE1( hb_compExprDelete, pSelf->value.asFunCall.pParms );
HB_EXPR_PCODE1( hb_compExprDelete, pSelf->value.asFunCall.pFunName );
break;
}
return pSelf;
}
/* handler for expression->identifier syntax
*/
static HB_EXPR_FUNC( hb_compExprUseAliasVar )
{
switch( iMessage )
{
case HB_EA_REDUCE:
case HB_EA_ARRAY_AT:
case HB_EA_ARRAY_INDEX:
case HB_EA_LVALUE:
break;
case HB_EA_PUSH_PCODE:
{
HB_EXPR_PTR pAlias = pSelf->value.asAlias.pAlias;
BOOL bReduced = FALSE;
if( pAlias->ExprType == HB_ET_LIST )
{
/* ( expr1, expr2, ... )->variable
*/
pSelf->value.asAlias.pAlias = HB_EXPR_USE( pSelf->value.asAlias.pAlias, HB_EA_REDUCE );
bReduced = TRUE;
}
if( pAlias->ExprType == HB_ET_MACRO || pSelf->value.asAlias.pVar->ExprType == HB_ET_MACRO )
{
/* Macro operator is used on the left or right side of an alias
* operator - handle it with a special care
*/
HB_EXPR_PCODE2( hb_compExprUseAliasMacro, pSelf, HB_EA_PUSH_PCODE );
}
else if( pAlias->ExprType == HB_ET_ALIAS )
{
/*
* myalias->var
* FIELD->var
* MEMVAR->var
*
* NOTE: TRUE = push also alias
*/
HB_EXPR_PCODE4( hb_compGenPushAliasedVar, pSelf->value.asAlias.pVar->value.asSymbol, TRUE, pAlias->value.asSymbol, 0 );
}
else if( pAlias->ExprType == HB_ET_NUMERIC )
{
/* numeric alias
* 2->var
*
* NOTE: only integer (long) values are allowed
*/
if( pAlias->value.asNum.NumType == HB_ET_LONG )
HB_EXPR_PCODE4( hb_compGenPushAliasedVar, pSelf->value.asAlias.pVar->value.asSymbol, TRUE, NULL, pAlias->value.asNum.lVal );
else
hb_compErrorAlias( pAlias );
}
else if( bReduced )
{
/*
* ( expression )->var
*
* NOTE: FALSE = don't push alias value
*/
HB_EXPR_USE( pAlias, HB_EA_PUSH_PCODE );
HB_EXPR_PCODE4( hb_compGenPushAliasedVar, pSelf->value.asAlias.pVar->value.asSymbol, FALSE, NULL, 0 );
}
else
hb_compErrorAlias( pAlias );
}
break;
case HB_EA_POP_PCODE:
{
HB_EXPR_PTR pAlias = pSelf->value.asAlias.pAlias;
BOOL bReduced = FALSE;
if( pAlias->ExprType == HB_ET_LIST )
{
pSelf->value.asAlias.pAlias = HB_EXPR_USE( pSelf->value.asAlias.pAlias, HB_EA_REDUCE );
bReduced = TRUE;
}
if( pAlias->ExprType == HB_ET_MACRO || pSelf->value.asAlias.pVar->ExprType == HB_ET_MACRO )
{
/* Macro operator is used on the left or right side of an alias
* operator - handle it with a special care
* (we need convert to a string the whole expression)
*/
HB_EXPR_PCODE2( hb_compExprUseAliasMacro, pSelf, HB_EA_POP_PCODE );
}
else if( pAlias->ExprType == HB_ET_ALIAS )
{
/*
* myalias->var
* FIELD->var
* MEMVAR->var
*/
HB_EXPR_PCODE4( hb_compGenPopAliasedVar, pSelf->value.asAlias.pVar->value.asSymbol, TRUE, pAlias->value.asSymbol, 0 );
}
else if( pAlias->ExprType == HB_ET_NUMERIC )
{
/* numeric alias
* 2->var
*
* NOTE: only integer (long) values are allowed
*/
if( pAlias->value.asNum.NumType == HB_ET_LONG )
HB_EXPR_PCODE4( hb_compGenPopAliasedVar, pSelf->value.asAlias.pVar->value.asSymbol, TRUE, NULL, pAlias->value.asNum.lVal );
else
hb_compErrorAlias( pAlias );
}
else if( bReduced )
{
/*
* ( expression )->var
*
* NOTE: FALSE = don't push alias value
*/
if( pAlias->ExprType == HB_ET_NONE )
{
/* empty expression -> ()->var
*/
hb_compErrorAlias( pAlias );
}
else
{
HB_EXPR_USE( pAlias, HB_EA_PUSH_PCODE );
HB_EXPR_PCODE4( hb_compGenPopAliasedVar, pSelf->value.asAlias.pVar->value.asSymbol, FALSE, NULL, 0 );
}
}
else
hb_compErrorAlias( pAlias );
}
break;
case HB_EA_PUSH_POP:
case HB_EA_STATEMENT:
HB_EXPR_USE( pSelf, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_POP );
break;
case HB_EA_DELETE:
HB_EXPR_PCODE1( hb_compExprDelete, pSelf->value.asAlias.pAlias );
/* NOTE: variable name is released only during macro compilation */
#if defined( HB_MACRO_SUPPORT )
if( pSelf->value.asAlias.pVar )
HB_EXPR_PCODE1( hb_compExprDelete, pSelf->value.asAlias.pVar );
#endif
break;
}
return pSelf;
}
/* handler for expression->( exression, ... ) syntax
*/
static HB_EXPR_FUNC( hb_compExprUseAliasExpr )
{
switch( iMessage )
{
case HB_EA_REDUCE:
case HB_EA_ARRAY_AT:
case HB_EA_ARRAY_INDEX:
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
{
/* save currently selected workarea
*/
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_PUSHALIAS );
/* push the expression that will return a new workarea
*/
HB_EXPR_USE( pSelf->value.asAlias.pAlias, HB_EA_PUSH_PCODE );
/* pop the value from the stack and select it as current workarea
*/
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_POPALIAS );
/* evaluate any expression
*/
HB_EXPR_USE( pSelf->value.asAlias.pExpList, HB_EA_PUSH_PCODE );
/* swap the two last items on the eval stack: one item is a
* value returned by evaluated expression and the second item
* is previously selected workarea. After swaping select again
* the restored workarea.
*/
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_SWAPALIAS );
}
break;
case HB_EA_POP_PCODE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_POP:
case HB_EA_STATEMENT:
{
/* save currently selected workarea
*/
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_PUSHALIAS );
/* push the expression that will return a new workarea
*/
HB_EXPR_USE( pSelf->value.asAlias.pAlias, HB_EA_PUSH_PCODE );
/* pop the value from the stack and select it as current workarea
*/
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_POPALIAS );
/* evaluate any expression - it will not leave any return
* value on the eval stack
*/
HB_EXPR_USE( pSelf->value.asAlias.pExpList, HB_EA_PUSH_POP );
/* Pop and select again the restored workarea.
*/
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_POPALIAS );
}
break;
case HB_EA_DELETE:
HB_EXPR_PCODE1( hb_compExprDelete, pSelf->value.asAlias.pAlias );
HB_EXPR_PCODE1( hb_compExprDelete, pSelf->value.asAlias.pExpList );
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUseAlias )
{
switch( iMessage )
{
case HB_EA_REDUCE:
case HB_EA_ARRAY_AT:
case HB_EA_ARRAY_INDEX:
case HB_EA_LVALUE:
break;
case HB_EA_PUSH_PCODE:
HB_EXPR_PCODE2( hb_compGenPushSymbol, pSelf->value.asSymbol, 0 );
break;
case HB_EA_POP_PCODE:
case HB_EA_PUSH_POP:
case HB_EA_STATEMENT:
break;
case HB_EA_DELETE:
#if defined( HB_MACRO_SUPPORT )
HB_XFREE( pSelf->value.asSymbol );
#endif
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUseFunName )
{
switch( iMessage )
{
case HB_EA_REDUCE:
case HB_EA_ARRAY_AT:
case HB_EA_ARRAY_INDEX:
case HB_EA_LVALUE:
break;
case HB_EA_PUSH_PCODE:
HB_EXPR_PCODE1( hb_compGenPushFunCall, pSelf->value.asSymbol );
break;
case HB_EA_POP_PCODE:
case HB_EA_PUSH_POP:
case HB_EA_STATEMENT:
case HB_EA_DELETE:
#if defined( HB_MACRO_SUPPORT )
HB_XFREE( pSelf->value.asSymbol );
#endif
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUseRTVariable )
{
switch( iMessage )
{
case HB_EA_REDUCE:
case HB_EA_ARRAY_AT:
case HB_EA_ARRAY_INDEX:
case HB_EA_LVALUE:
break;
case HB_EA_PUSH_PCODE:
if( pSelf->value.asRTVar.szName )
HB_EXPR_PCODE2( hb_compGenPushSymbol, pSelf->value.asRTVar.szName, 0 ); /* this is not a functio */
else
HB_EXPR_USE( pSelf->value.asRTVar.pMacro, HB_EA_PUSH_PCODE );
break;
case HB_EA_POP_PCODE:
if( pSelf->value.asRTVar.szName )
HB_EXPR_PCODE1( hb_compGenPopVar, pSelf->value.asRTVar.szName );
else
HB_EXPR_USE( pSelf->value.asRTVar.pMacro, HB_EA_POP_PCODE );
break;
case HB_EA_PUSH_POP:
case HB_EA_STATEMENT:
case HB_EA_DELETE:
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUseVariable )
{
switch( iMessage )
{
case HB_EA_REDUCE:
case HB_EA_ARRAY_AT:
case HB_EA_ARRAY_INDEX:
case HB_EA_LVALUE:
break;
case HB_EA_PUSH_PCODE:
#if defined( HB_MACRO_SUPPORT )
{
/* NOTE: When the following syntax is used:
* ( any_expr )->&var2
* then macro compiler is compiling the right side of alias
* operator only (if 'any_expr' is not a string) - an alias value
* is placed on the eval stack before macro compilation.
* The HB_MACRO_GEN_ALIASED flag is used to signal that we have to
* genearate alias aware pcode even if we known a variable part only.
*/
if( HB_MACRO_DATA->Flags & HB_MACRO_GEN_ALIASED )
HB_EXPR_PCODE4( hb_compGenPushAliasedVar, pSelf->value.asSymbol, FALSE, NULL, 0 );
else
HB_EXPR_PCODE1( hb_compGenPushVar, pSelf->value.asSymbol );
}
#else
HB_EXPR_PCODE1( hb_compGenPushVar, pSelf->value.asSymbol );
#endif
break;
case HB_EA_POP_PCODE:
#if defined( HB_MACRO_SUPPORT )
{
if( HB_MACRO_DATA->Flags & HB_MACRO_GEN_ALIASED )
HB_EXPR_PCODE4( hb_compGenPopAliasedVar, pSelf->value.asSymbol, FALSE, NULL, 0 );
else
HB_EXPR_PCODE1( hb_compGenPopVar, pSelf->value.asSymbol );
}
#else
HB_EXPR_PCODE1( hb_compGenPopVar, pSelf->value.asSymbol );
#endif
break;
case HB_EA_PUSH_POP:
case HB_EA_STATEMENT:
HB_EXPR_PCODE1( hb_compGenPushVar, pSelf->value.asSymbol );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_POP );
break;
case HB_EA_DELETE:
/* NOTE: variable name should be released if macro compilation */
#if defined( HB_MACRO_SUPPORT )
HB_XFREE( pSelf->value.asSymbol );
#endif
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUseSend )
{
switch( iMessage )
{
case HB_EA_REDUCE:
{
pSelf->value.asMessage.pObject = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asMessage.pObject, HB_EA_REDUCE ), HB_MACRO_PARAM );
if( pSelf->value.asMessage.pParms ) /* Is it a method call ? */
pSelf->value.asMessage.pParms = HB_EXPR_USE( pSelf->value.asMessage.pParms, HB_EA_REDUCE );
}
break;
case HB_EA_ARRAY_AT:
case HB_EA_ARRAY_INDEX:
case HB_EA_LVALUE:
break;
case HB_EA_PUSH_PCODE:
{
if( pSelf->value.asMessage.pParms ) /* Is it a method call ? */
{
int iParms = hb_compExprListLen( pSelf->value.asMessage.pParms );
HB_EXPR_PCODE1( hb_compGenMessage, pSelf->value.asMessage.szMessage );
HB_EXPR_USE( pSelf->value.asMessage.pObject, HB_EA_PUSH_PCODE );
/* NOTE: if method with no parameters is called then the list
* of parameters contain only one expression of type HB_ET_NONE
* There is no need to push this parameter
*/
if( iParms == 1 && pSelf->value.asMessage.pParms->value.asList.pExprList->ExprType == HB_ET_NONE )
--iParms;
if( iParms )
HB_EXPR_USE( pSelf->value.asMessage.pParms, HB_EA_PUSH_PCODE );
if( iParms > 255 )
HB_EXPR_GENPCODE3( hb_compGenPCode3, HB_P_SEND, HB_LOBYTE( iParms ), HB_HIBYTE( iParms ), ( BOOL ) 1 );
else
HB_EXPR_GENPCODE2( hb_compGenPCode2, HB_P_SENDSHORT, ( BYTE ) iParms, ( BOOL ) 1 );
}
else
{
/* acces to instance variable */
HB_EXPR_PCODE1( hb_compGenMessage, pSelf->value.asMessage.szMessage );
HB_EXPR_USE( pSelf->value.asMessage.pObject, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE2( hb_compGenPCode2, HB_P_SENDSHORT, 0, ( BOOL ) 1 );
}
}
break;
case HB_EA_POP_PCODE:
{
/* NOTE: This is an exception from the rule - this leaves
* the return value on the stack
*/
HB_EXPR_PCODE1( hb_compGenMessageData, pSelf->value.asMessage.szMessage );
HB_EXPR_USE( pSelf->value.asMessage.pObject, HB_EA_PUSH_PCODE );
HB_EXPR_USE( pSelf->value.asMessage.pParms, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE2( hb_compGenPCode2, HB_P_SENDSHORT, 1, ( BOOL ) 1 );
}
break;
case HB_EA_PUSH_POP:
case HB_EA_STATEMENT:
HB_EXPR_USE( pSelf, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_POP );
if( ! pSelf->value.asMessage.pParms ) /* Is it a method call ? */
{
/* instance variable */
/* QUESTION: This warning can be misleading if nested messages
* are used, e.g. a:b():c - should we generate it ?
*/
hb_compWarnMeaningless( pSelf );
}
case HB_EA_DELETE:
#if defined( HB_MACRO_SUPPORT )
{
HB_EXPR_PCODE1( hb_compExprDelete, pSelf->value.asMessage.pObject );
if( pSelf->value.asMessage.pParms )
HB_EXPR_PCODE1( hb_compExprDelete, pSelf->value.asMessage.pParms );
HB_XFREE( pSelf->value.asMessage.szMessage );
}
#endif
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUsePostInc )
{
switch( iMessage )
{
case HB_EA_REDUCE:
pSelf->value.asOperator.pLeft = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_REDUCE ), HB_MACRO_PARAM );
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_LVALUE );
break;
case HB_EA_ARRAY_AT:
case HB_EA_ARRAY_INDEX:
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
HB_EXPR_PCODE2( hb_compExprPushPostOp, pSelf, HB_P_INC );
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
case HB_EA_STATEMENT:
/* a++ used standalone as a statement is the same as ++a
*/
HB_EXPR_PCODE2( hb_compExprUsePreOp, pSelf, HB_P_INC );
break;
case HB_EA_DELETE:
if( pSelf->value.asOperator.pLeft )
HB_EXPR_PCODE1( hb_compExprDelete, pSelf->value.asOperator.pLeft );
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUsePostDec )
{
switch( iMessage )
{
case HB_EA_REDUCE:
pSelf->value.asOperator.pLeft = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_REDUCE ), HB_MACRO_PARAM );
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_LVALUE );
break;
case HB_EA_ARRAY_AT:
case HB_EA_ARRAY_INDEX:
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
HB_EXPR_PCODE2( hb_compExprPushPostOp, pSelf, HB_P_DEC );
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
case HB_EA_STATEMENT:
HB_EXPR_PCODE2( hb_compExprUsePreOp, pSelf, HB_P_DEC );
break;
case HB_EA_DELETE:
if( pSelf->value.asOperator.pLeft )
HB_EXPR_PCODE1( hb_compExprDelete, pSelf->value.asOperator.pLeft );
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUseAssign )
{
switch( iMessage )
{
case HB_EA_REDUCE:
pSelf->value.asOperator.pLeft = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf->value.asOperator.pRight = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_REDUCE ), HB_MACRO_PARAM );
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_LVALUE );
break;
case HB_EA_ARRAY_AT:
case HB_EA_ARRAY_INDEX:
case HB_EA_LVALUE:
break;
case HB_EA_PUSH_PCODE:
{
/* NOTE: assigment to an object instance variable needs special handling
*/
if( pSelf->value.asOperator.pLeft->ExprType == HB_ET_SEND )
{
HB_EXPR_PTR pObj = pSelf->value.asOperator.pLeft;
pObj->value.asMessage.pParms = pSelf->value.asOperator.pRight;
HB_EXPR_USE( pObj, HB_EA_POP_PCODE );
pObj->value.asMessage.pParms = NULL; /* to suppress duplicated releasing */
}
else
{
/* it assigns a value and leaves it on the stack */
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_PCODE );
/* QUESTION: Can we replace DUPLICATE+POP with a single PUT opcode
*/
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_DUPLICATE );
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_POP_PCODE );
}
}
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
case HB_EA_STATEMENT:
{
/* NOTE: assigment to an object instance variable needs special handling
*/
if( pSelf->value.asOperator.pLeft->ExprType == HB_ET_SEND )
{
HB_EXPR_PTR pObj = pSelf->value.asOperator.pLeft;
pObj->value.asMessage.pParms = pSelf->value.asOperator.pRight;
HB_EXPR_USE( pObj, HB_EA_POP_PCODE );
pObj->value.asMessage.pParms = NULL; /* to suppress duplicated releasing */
/* Remove the return value */
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_POP );
}
else
{
/* it assigns a value and removes it from the stack */
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_PCODE );
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_POP_PCODE );
}
}
break;
case HB_EA_DELETE:
HB_EXPR_PCODE1( hb_compExprDelOperator, pSelf );
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUsePlusEq )
{
switch( iMessage )
{
case HB_EA_REDUCE:
pSelf->value.asOperator.pLeft = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf->value.asOperator.pRight = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_REDUCE ), HB_MACRO_PARAM );
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_LVALUE );
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf );
break;
case HB_EA_ARRAY_INDEX:
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
{
HB_EXPR_PCODE2( hb_compExprPushOperEq, pSelf, HB_P_PLUS );
}
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
case HB_EA_STATEMENT:
HB_EXPR_PCODE2( hb_compExprUseOperEq, pSelf, HB_P_PLUS );
break;
case HB_EA_DELETE:
HB_EXPR_PCODE1( hb_compExprDelOperator, pSelf );
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUseMinusEq )
{
switch( iMessage )
{
case HB_EA_REDUCE:
pSelf->value.asOperator.pLeft = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf->value.asOperator.pRight = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_REDUCE ), HB_MACRO_PARAM );
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_LVALUE );
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf );
break;
case HB_EA_ARRAY_INDEX:
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
{
HB_EXPR_PCODE2( hb_compExprPushOperEq, pSelf, HB_P_MINUS );
}
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
case HB_EA_STATEMENT:
HB_EXPR_PCODE2( hb_compExprUseOperEq, pSelf, HB_P_MINUS );
break;
case HB_EA_DELETE:
HB_EXPR_PCODE1( hb_compExprDelOperator, pSelf );
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUseMultEq )
{
switch( iMessage )
{
case HB_EA_REDUCE:
pSelf->value.asOperator.pLeft = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf->value.asOperator.pRight = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_REDUCE ), HB_MACRO_PARAM );
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_LVALUE );
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf );
break;
case HB_EA_ARRAY_INDEX:
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
{
HB_EXPR_PCODE2( hb_compExprPushOperEq, pSelf, HB_P_MULT );
}
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
case HB_EA_STATEMENT:
HB_EXPR_PCODE2( hb_compExprUseOperEq, pSelf, HB_P_MULT );
break;
case HB_EA_DELETE:
HB_EXPR_PCODE1( hb_compExprDelOperator, pSelf );
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUseDivEq )
{
switch( iMessage )
{
case HB_EA_REDUCE:
pSelf->value.asOperator.pLeft = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf->value.asOperator.pRight = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_REDUCE ), HB_MACRO_PARAM );
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_LVALUE );
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf );
break;
case HB_EA_ARRAY_INDEX:
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
{
HB_EXPR_PCODE2( hb_compExprPushOperEq, pSelf, HB_P_DIVIDE );
}
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
case HB_EA_STATEMENT:
HB_EXPR_PCODE2( hb_compExprUseOperEq, pSelf, HB_P_DIVIDE );
break;
case HB_EA_DELETE:
HB_EXPR_PCODE1( hb_compExprDelOperator, pSelf );
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUseModEq )
{
switch( iMessage )
{
case HB_EA_REDUCE:
pSelf->value.asOperator.pLeft = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf->value.asOperator.pRight = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_REDUCE ), HB_MACRO_PARAM );
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_LVALUE );
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf );
break;
case HB_EA_ARRAY_INDEX:
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
{
HB_EXPR_PCODE2( hb_compExprPushOperEq, pSelf, HB_P_MODULUS );
}
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
case HB_EA_STATEMENT:
HB_EXPR_PCODE2( hb_compExprUseOperEq, pSelf, HB_P_MODULUS );
break;
case HB_EA_DELETE:
HB_EXPR_PCODE1( hb_compExprDelOperator, pSelf );
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUseExpEq )
{
switch( iMessage )
{
case HB_EA_REDUCE:
pSelf->value.asOperator.pLeft = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf->value.asOperator.pRight = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_REDUCE ), HB_MACRO_PARAM );
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_LVALUE );
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf );
break;
case HB_EA_ARRAY_INDEX:
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
{
HB_EXPR_PCODE2( hb_compExprPushOperEq, pSelf, HB_P_POWER );
}
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
case HB_EA_STATEMENT:
HB_EXPR_PCODE2( hb_compExprUseOperEq, pSelf, HB_P_POWER );
break;
case HB_EA_DELETE:
HB_EXPR_PCODE1( hb_compExprDelOperator, pSelf );
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUseOr )
{
switch( iMessage )
{
case HB_EA_REDUCE:
pSelf->value.asOperator.pLeft = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf->value.asOperator.pRight = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf = hb_compExprReduceOr( pSelf, HB_MACRO_PARAM );
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf );
break;
case HB_EA_ARRAY_INDEX:
hb_compErrorIndex( pSelf );
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
if( hb_comp_bShortCuts )
{
LONG lEndPos;
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_DUPLICATE );
lEndPos = HB_EXPR_PCODE1( hb_compGenJumpTrue, 0 );
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_OR );
HB_EXPR_PCODE1( hb_compGenJumpHere, lEndPos );
}
else
{
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_PCODE );
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_OR );
}
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
if( HB_SUPPORT_HARBOUR )
{
/* NOTE: This will not generate a runtime error if incompatible
* data type is used
*/
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_POP );
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_POP );
}
else
{
HB_EXPR_USE( pSelf, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_POP );
}
break;
case HB_EA_STATEMENT:
hb_compErrorSyntax( pSelf );
break;
case HB_EA_DELETE:
HB_EXPR_PCODE1( hb_compExprDelOperator, pSelf );
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUseAnd )
{
switch( iMessage )
{
case HB_EA_REDUCE:
pSelf->value.asOperator.pLeft = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf->value.asOperator.pRight = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf = hb_compExprReduceAnd( pSelf, HB_MACRO_PARAM );
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf );
break;
case HB_EA_ARRAY_INDEX:
hb_compErrorIndex( pSelf );
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
if( hb_comp_bShortCuts )
{
LONG lEndPos;
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_DUPLICATE );
lEndPos = HB_EXPR_PCODE1( hb_compGenJumpFalse, 0 );
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_AND );
HB_EXPR_PCODE1( hb_compGenJumpHere, lEndPos );
}
else
{
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_PCODE );
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_AND );
}
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
if( HB_SUPPORT_HARBOUR )
{
/* NOTE: This will not generate a runtime error if incompatible
* data type is used
*/
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_POP );
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_POP );
}
else
{
HB_EXPR_USE( pSelf, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_POP );
}
break;
case HB_EA_STATEMENT:
hb_compErrorSyntax( pSelf );
break;
case HB_EA_DELETE:
HB_EXPR_PCODE1( hb_compExprDelOperator, pSelf );
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUseNot )
{
switch( iMessage )
{
case HB_EA_REDUCE:
{
HB_EXPR_PTR pExpr;
pSelf->value.asOperator.pLeft = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_REDUCE ), HB_MACRO_PARAM );
pExpr = pSelf->value.asOperator.pLeft;
if( pExpr->ExprType == HB_ET_LOGICAL )
{
pExpr->value.asLogical = ! pExpr->value.asLogical;
pSelf->ExprType = HB_ET_NONE; /* do not delete operator parameter - we are still using it */
HB_EXPR_PCODE1( hb_compExprDelete, pSelf );
pSelf = pExpr;
}
}
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf );
break;
case HB_EA_ARRAY_INDEX:
hb_compErrorIndex( pSelf );
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_NOT );
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
if( HB_SUPPORT_HARBOUR )
{
/* NOTE: This will not generate a runtime error if incompatible
* data type is used
*/
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_POP );
}
else
{
HB_EXPR_USE( pSelf, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_POP );
}
break;
case HB_EA_STATEMENT:
hb_compErrorSyntax( pSelf );
break;
case HB_EA_DELETE:
HB_EXPR_PCODE1( hb_compExprDelete, pSelf->value.asOperator.pLeft );
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUseEqual )
{
switch( iMessage )
{
case HB_EA_REDUCE:
{
pSelf->value.asOperator.pLeft = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf->value.asOperator.pRight = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_REDUCE ), HB_MACRO_PARAM );
}
break;
case HB_EA_ARRAY_AT:
case HB_EA_ARRAY_INDEX:
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
{
/* '=' used in an expression - compare values
*/
/* Try to optimize expression - we cannot optimize in HB_EA_REDUCE
* because it is not decided yet if it is assigment or comparision
*/
HB_EXPR_PTR pLeft, pRight;
pLeft = pSelf->value.asOperator.pLeft;
pRight = pSelf->value.asOperator.pRight;
if( pLeft->ExprType == pRight->ExprType )
switch( pLeft->ExprType )
{
case HB_ET_LOGICAL:
HB_EXPR_PCODE1( hb_compGenPushLogical, (pLeft->value.asLogical == pRight->value.asLogical) );
break;
case HB_ET_STRING:
/* NOTE: the result depends on SET EXACT setting then it
* cannot be optimized except the case when NULL string are
* compared - the result is always TRUE regardless of EXACT
* setting
*/
if( (pLeft->ulLength | pRight->ulLength) == 0 )
HB_EXPR_PCODE1( hb_compGenPushLogical, TRUE ); /* NOTE: COMPATIBILITY: Clipper doesn't optimize this */
else
{
HB_EXPR_USE( pLeft, HB_EA_PUSH_PCODE );
HB_EXPR_USE( pRight, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_EQUAL );
}
break;
case HB_ET_NIL:
/* NOTE: COMPATIBILITY: Clipper doesn't optimize this */
HB_EXPR_PCODE1( hb_compGenPushLogical, TRUE ); /* NIL = NIL is always TRUE */
break;
case HB_ET_NUMERIC:
switch( pLeft->value.asNum.NumType & pRight->value.asNum.NumType )
{
case HB_ET_LONG:
HB_EXPR_PCODE1( hb_compGenPushLogical, (pLeft->value.asNum.lVal == pRight->value.asNum.lVal) );
break;
case HB_ET_DOUBLE:
HB_EXPR_PCODE1( hb_compGenPushLogical, (pLeft->value.asNum.dVal == pRight->value.asNum.dVal) );
break;
default:
{
if( pLeft->value.asNum.NumType == HB_ET_LONG )
HB_EXPR_PCODE1( hb_compGenPushLogical, (pLeft->value.asNum.lVal == pRight->value.asNum.dVal) );
else
HB_EXPR_PCODE1( hb_compGenPushLogical, (pLeft->value.asNum.dVal == pRight->value.asNum.lVal) );
}
break;
}
break;
default:
{
HB_EXPR_USE( pLeft, HB_EA_PUSH_PCODE );
HB_EXPR_USE( pRight, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_EQUAL );
}
}
else
{
/* TODO: check for incompatible types
*/
HB_EXPR_USE( pLeft, HB_EA_PUSH_PCODE );
HB_EXPR_USE( pRight, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_EQUAL );
}
}
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
if( HB_SUPPORT_HARBOUR )
{
/* NOTE: This will not generate a runtime error if incompatible
* data type is used
*/
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_POP );
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_POP );
}
else
{
HB_EXPR_USE( pSelf, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_POP );
}
break;
case HB_EA_STATEMENT:
{
/* '=' used standalone in a statement - assign a value
* it assigns a value and removes it from the stack
* */
if( pSelf->value.asOperator.pLeft->ExprType == HB_ET_SEND )
{
/* Send messages are implemented as function calls
*/
HB_EXPR_PTR pObj = pSelf->value.asOperator.pLeft;
pObj->value.asMessage.pParms = pSelf->value.asOperator.pRight;
HB_EXPR_USE( pObj, HB_EA_POP_PCODE );
pObj->value.asMessage.pParms = NULL; /* to suppress duplicated releasing */
/* Remove the return value */
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_POP );
}
else
{
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_PCODE );
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_POP_PCODE );
}
}
break;
case HB_EA_DELETE:
HB_EXPR_PCODE1( hb_compExprDelOperator, pSelf );
break;
}
return pSelf;
}
/* handler for == operator
*/
static HB_EXPR_FUNC( hb_compExprUseEQ )
{
switch( iMessage )
{
case HB_EA_REDUCE:
pSelf->value.asOperator.pLeft = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf->value.asOperator.pRight = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf = hb_compExprReduceEQ( pSelf, HB_MACRO_PARAM );
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf );
break;
case HB_EA_ARRAY_INDEX:
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
{
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_PCODE );
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_EXACTLYEQUAL );
}
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
if( HB_SUPPORT_HARBOUR )
{
/* NOTE: This will not generate a runtime error if incompatible
* data type is used
*/
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_POP );
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_POP );
}
else
{
HB_EXPR_USE( pSelf, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_POP );
}
break;
case HB_EA_STATEMENT:
hb_compErrorSyntax( pSelf );
break;
case HB_EA_DELETE:
HB_EXPR_PCODE1( hb_compExprDelOperator, pSelf );
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUseLT )
{
switch( iMessage )
{
case HB_EA_REDUCE:
pSelf->value.asOperator.pLeft = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf->value.asOperator.pRight = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf = hb_compExprReduceLT( pSelf, HB_MACRO_PARAM );
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf );
break;
case HB_EA_ARRAY_INDEX:
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
{
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_PCODE );
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_LESS );
}
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
if( HB_SUPPORT_HARBOUR )
{
/* NOTE: This will not generate a runtime error if incompatible
* data type is used
*/
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_POP );
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_POP );
}
else
{
HB_EXPR_USE( pSelf, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_POP );
}
break;
case HB_EA_STATEMENT:
hb_compErrorSyntax( pSelf );
break;
case HB_EA_DELETE:
HB_EXPR_PCODE1( hb_compExprDelOperator, pSelf );
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUseGT )
{
switch( iMessage )
{
case HB_EA_REDUCE:
pSelf->value.asOperator.pLeft = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf->value.asOperator.pRight = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf = hb_compExprReduceGT( pSelf, HB_MACRO_PARAM );
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf );
break;
case HB_EA_ARRAY_INDEX:
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
{
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_PCODE );
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_GREATER );
}
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
if( HB_SUPPORT_HARBOUR )
{
/* NOTE: This will not generate a runtime error if incompatible
* data type is used
*/
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_POP );
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_POP );
}
else
{
HB_EXPR_USE( pSelf, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_POP );
}
break;
case HB_EA_STATEMENT:
hb_compErrorSyntax( pSelf );
break;
case HB_EA_DELETE:
HB_EXPR_PCODE1( hb_compExprDelOperator, pSelf );
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUseLE )
{
switch( iMessage )
{
case HB_EA_REDUCE:
pSelf->value.asOperator.pLeft = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf->value.asOperator.pRight = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf = hb_compExprReduceLE( pSelf, HB_MACRO_PARAM );
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf );
break;
case HB_EA_ARRAY_INDEX:
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
{
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_PCODE );
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_LESSEQUAL );
}
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
if( HB_SUPPORT_HARBOUR )
{
/* NOTE: This will not generate a runtime error if incompatible
* data type is used
*/
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_POP );
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_POP );
}
else
{
HB_EXPR_USE( pSelf, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_POP );
}
break;
case HB_EA_STATEMENT:
hb_compErrorSyntax( pSelf );
break;
case HB_EA_DELETE:
HB_EXPR_PCODE1( hb_compExprDelOperator, pSelf );
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUseGE )
{
switch( iMessage )
{
case HB_EA_REDUCE:
pSelf->value.asOperator.pLeft = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf->value.asOperator.pRight = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf = hb_compExprReduceGE( pSelf, HB_MACRO_PARAM );
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf );
break;
case HB_EA_ARRAY_INDEX:
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
{
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_PCODE );
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_GREATEREQUAL );
}
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
if( HB_SUPPORT_HARBOUR )
{
/* NOTE: This will not generate a runtime error if incompatible
* data type is used
*/
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_POP );
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_POP );
}
else
{
HB_EXPR_USE( pSelf, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_POP );
}
break;
case HB_EA_STATEMENT:
hb_compErrorSyntax( pSelf );
break;
case HB_EA_DELETE:
HB_EXPR_PCODE1( hb_compExprDelOperator, pSelf );
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUseNE )
{
switch( iMessage )
{
case HB_EA_REDUCE:
pSelf->value.asOperator.pLeft = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf->value.asOperator.pRight = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf = hb_compExprReduceNE( pSelf, HB_MACRO_PARAM );
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf );
break;
case HB_EA_ARRAY_INDEX:
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
{
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_PCODE );
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_NOTEQUAL );
}
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
if( HB_SUPPORT_HARBOUR )
{
/* NOTE: This will not generate a runtime error if incompatible
* data type is used
*/
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_POP );
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_POP );
}
else
{
HB_EXPR_USE( pSelf, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_POP );
}
break;
case HB_EA_STATEMENT:
hb_compErrorSyntax( pSelf );
break;
case HB_EA_DELETE:
HB_EXPR_PCODE1( hb_compExprDelOperator, pSelf );
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUseIN )
{
switch( iMessage )
{
case HB_EA_REDUCE:
{
pSelf->value.asOperator.pLeft = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf->value.asOperator.pRight = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf = hb_compExprReduceIN( pSelf, HB_MACRO_PARAM );
}
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf );
break;
case HB_EA_ARRAY_INDEX:
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
{
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_PCODE );
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_INSTRING );
}
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
if( HB_SUPPORT_HARBOUR )
{
/* NOTE: This will not generate a runtime error if incompatible
* data type is used
*/
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_POP );
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_POP );
}
else
{
HB_EXPR_USE( pSelf, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_POP );
}
break;
case HB_EA_STATEMENT:
hb_compErrorSyntax( pSelf );
break;
case HB_EA_DELETE:
HB_EXPR_PCODE1( hb_compExprDelOperator, pSelf );
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUsePlus )
{
switch( iMessage )
{
case HB_EA_REDUCE:
pSelf->value.asOperator.pLeft = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf->value.asOperator.pRight = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf = hb_compExprReducePlus( pSelf, HB_MACRO_PARAM );
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf );
break;
case HB_EA_ARRAY_INDEX:
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
{
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_PCODE );
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_PLUS );
}
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
if( HB_SUPPORT_HARBOUR )
{
/* NOTE: This will not generate a runtime error if incompatible
* data type is used
*/
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_POP );
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_POP );
}
else
{
HB_EXPR_USE( pSelf, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_POP );
}
break;
case HB_EA_STATEMENT:
hb_compErrorSyntax( pSelf );
break;
case HB_EA_DELETE:
HB_EXPR_PCODE1( hb_compExprDelOperator, pSelf );
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUseMinus )
{
switch( iMessage )
{
case HB_EA_REDUCE:
pSelf->value.asOperator.pLeft = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf->value.asOperator.pRight = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf = hb_compExprReduceMinus( pSelf, HB_MACRO_PARAM );
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf );
break;
case HB_EA_ARRAY_INDEX:
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
{
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_PCODE );
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_MINUS );
}
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
if( HB_SUPPORT_HARBOUR )
{
/* NOTE: This will not generate a runtime error if incompatible
* data type is used
*/
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_POP );
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_POP );
}
else
{
HB_EXPR_USE( pSelf, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_POP );
}
break;
case HB_EA_STATEMENT:
hb_compErrorSyntax( pSelf );
break;
case HB_EA_DELETE:
HB_EXPR_PCODE1( hb_compExprDelOperator, pSelf );
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUseMult )
{
switch( iMessage )
{
case HB_EA_REDUCE:
pSelf->value.asOperator.pLeft = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf->value.asOperator.pRight = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf = hb_compExprReduceMult( pSelf, HB_MACRO_PARAM );
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf );
break;
case HB_EA_ARRAY_INDEX:
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
{
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_PCODE );
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_MULT );
}
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
if( HB_SUPPORT_HARBOUR )
{
/* NOTE: This will not generate a runtime error if incompatible
* data type is used
*/
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_POP );
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_POP );
}
else
{
HB_EXPR_USE( pSelf, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_POP );
}
break;
case HB_EA_STATEMENT:
hb_compErrorSyntax( pSelf );
break;
case HB_EA_DELETE:
HB_EXPR_PCODE1( hb_compExprDelOperator, pSelf );
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUseDiv )
{
switch( iMessage )
{
case HB_EA_REDUCE:
pSelf->value.asOperator.pLeft = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf->value.asOperator.pRight = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf = hb_compExprReduceDiv( pSelf, HB_MACRO_PARAM );
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf );
break;
case HB_EA_ARRAY_INDEX:
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
{
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_PCODE );
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_DIVIDE );
}
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
if( HB_SUPPORT_HARBOUR )
{
/* NOTE: This will not generate a runtime error if incompatible
* data type is used
*/
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_POP );
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_POP );
}
else
{
HB_EXPR_USE( pSelf, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_POP );
}
break;
case HB_EA_STATEMENT:
hb_compErrorSyntax( pSelf );
break;
case HB_EA_DELETE:
HB_EXPR_PCODE1( hb_compExprDelOperator, pSelf );
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUseMod )
{
switch( iMessage )
{
case HB_EA_REDUCE:
pSelf->value.asOperator.pLeft = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf->value.asOperator.pRight = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_REDUCE ), HB_MACRO_PARAM );
pSelf =hb_compExprReduceMod( pSelf, HB_MACRO_PARAM );
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf );
break;
case HB_EA_ARRAY_INDEX:
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
{
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_PCODE );
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_MODULUS );
}
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
if( HB_SUPPORT_HARBOUR )
{
/* NOTE: This will not generate a runtime error if incompatible
* data type is used
*/
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_POP );
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_POP );
}
else
{
HB_EXPR_USE( pSelf, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_POP );
}
break;
case HB_EA_STATEMENT:
hb_compErrorSyntax( pSelf );
break;
case HB_EA_DELETE:
HB_EXPR_PCODE1( hb_compExprDelOperator, pSelf );
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUsePower )
{
switch( iMessage )
{
case HB_EA_REDUCE: /* Clipper doesn't optimize it */
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf );
break;
case HB_EA_ARRAY_INDEX:
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
{
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_PCODE );
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_POWER );
}
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
if( HB_SUPPORT_HARBOUR )
{
/* NOTE: This will not generate a runtime error if incompatible
* data type is used
*/
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_POP );
HB_EXPR_USE( pSelf->value.asOperator.pRight, HB_EA_PUSH_POP );
}
else
{
HB_EXPR_USE( pSelf, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_POP );
}
break;
case HB_EA_STATEMENT:
hb_compErrorSyntax( pSelf );
break;
case HB_EA_DELETE:
HB_EXPR_PCODE1( hb_compExprDelOperator, pSelf );
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUseNegate )
{
switch( iMessage )
{
case HB_EA_REDUCE:
{
HB_EXPR_PTR pExpr;
pSelf->value.asOperator.pLeft = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_REDUCE ), HB_MACRO_PARAM );
pExpr = pSelf->value.asOperator.pLeft;
if( pExpr->ExprType == HB_ET_NUMERIC )
{
if( pExpr->value.asNum.NumType == HB_ET_DOUBLE )
pExpr->value.asNum.dVal = - pExpr->value.asNum.dVal;
else
pExpr->value.asNum.lVal = - pExpr->value.asNum.lVal;
pSelf->ExprType = HB_ET_NONE; /* do not delete operator parameter - we are still using it */
HB_EXPR_PCODE1( hb_compExprDelete, pSelf );
pSelf = pExpr;
}
}
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf );
break;
case HB_EA_ARRAY_INDEX:
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
{
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_NEGATE );
}
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
if( HB_SUPPORT_HARBOUR )
{
/* NOTE: This will not generate a runtime error if incompatible
* data type is used
*/
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_PUSH_POP );
}
else
{
HB_EXPR_USE( pSelf, HB_EA_PUSH_PCODE );
HB_EXPR_GENPCODE1( hb_compGenPCode1, HB_P_POP );
}
break;
case HB_EA_STATEMENT:
hb_compErrorSyntax( pSelf );
break;
case HB_EA_DELETE:
if( pSelf->value.asOperator.pLeft )
HB_EXPR_PCODE1( hb_compExprDelete, pSelf->value.asOperator.pLeft );
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUsePreInc )
{
switch( iMessage )
{
case HB_EA_REDUCE:
pSelf->value.asOperator.pLeft = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_REDUCE ), HB_MACRO_PARAM );
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_LVALUE );
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf );
break;
case HB_EA_ARRAY_INDEX:
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
HB_EXPR_PCODE2( hb_compExprPushPreOp, pSelf, HB_P_INC );
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
case HB_EA_STATEMENT:
HB_EXPR_PCODE2( hb_compExprUsePreOp, pSelf, HB_P_INC );
break;
case HB_EA_DELETE:
if( pSelf->value.asOperator.pLeft )
HB_EXPR_PCODE1( hb_compExprDelete, pSelf->value.asOperator.pLeft );
break;
}
return pSelf;
}
static HB_EXPR_FUNC( hb_compExprUsePreDec )
{
switch( iMessage )
{
case HB_EA_REDUCE:
pSelf->value.asOperator.pLeft = hb_compExprListStrip( HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_REDUCE ), HB_MACRO_PARAM );
HB_EXPR_USE( pSelf->value.asOperator.pLeft, HB_EA_LVALUE );
break;
case HB_EA_ARRAY_AT:
hb_compErrorType( pSelf );
break;
case HB_EA_ARRAY_INDEX:
break;
case HB_EA_LVALUE:
hb_compErrorLValue( pSelf );
break;
case HB_EA_PUSH_PCODE:
HB_EXPR_PCODE2( hb_compExprPushPreOp, pSelf, HB_P_DEC );
break;
case HB_EA_POP_PCODE:
break;
case HB_EA_PUSH_POP:
case HB_EA_STATEMENT:
HB_EXPR_PCODE2( hb_compExprUsePreOp, pSelf, HB_P_DEC );
break;
case HB_EA_DELETE:
if( pSelf->value.asOperator.pLeft )
HB_EXPR_PCODE1( hb_compExprDelete, pSelf->value.asOperator.pLeft );
break;
}
return pSelf;
}