* include/hbexprop.h
+ Added #define HB_ET_MACRO_PARE 64
* source/vm/hvm.c
* source/vm/macro.c
* source/macro/macro.y
* include/hbexprb.c
+ Added support for HB_P_MACROPUSHPARE aand HB_P_MACROPUSHINDEX
* include/hbmacro.h
+ Added #define HB_MACRO_GEN_PARE 16 /* generate parentesized list */
* source/common/expropt1.c
* source/common/expropt2.c
* include/hbpcode.h
* source/compiler/genc.c
* source/compiler/hbfix.c
* source/compiler/hbpcode.c
+ Added new opcode HB_P_MACROPUSHPARE
/* This should complete macro list support for ( &cMacro ) and aArray[ &cMacro ] syntaxes. */
400 lines
15 KiB
C
400 lines
15 KiB
C
/*
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* $Id$
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*/
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/*
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* Harbour Project source code:
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* Header file for the Harbour Compiler
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*
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* Copyright 1999 Ryszard Glab
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* www - http://www.harbour-project.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
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*
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* As a special exception, the Harbour Project gives permission for
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* additional uses of the text contained in its release of Harbour.
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*
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* The exception is that, if you link the Harbour libraries with other
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* files to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the Harbour library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the Harbour
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* Project under the name Harbour. If you copy code from other
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* Harbour Project or Free Software Foundation releases into a copy of
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* Harbour, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for Harbour, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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*
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*/
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#ifndef HB_EXPROP_H_
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#define HB_EXPROP_H_
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#include "hbapi.h"
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#if defined(HB_EXTERN_C)
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extern "C" {
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#endif
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/* value types seen at language level
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*/
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#define HB_EV_UNKNOWN 0
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#define HB_EV_NIL 1
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#define HB_EV_NUMERIC 2
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#define HB_EV_STRING 4
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#define HB_EV_CODEBLOCK 8
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#define HB_EV_LOGICAL 16
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#define HB_EV_OBJECT 32
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#define HB_EV_ARRAY 64
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#define HB_EV_SYMBOL 128
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#define HB_EV_VARREF 256
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#define HB_EV_FUNREF 512
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/* messages sent to expressions
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*/
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typedef enum
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{
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HB_EA_REDUCE = 0, /* reduce the expression into optimized one */
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HB_EA_ARRAY_AT, /* check if the expession can be used as array */
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HB_EA_ARRAY_INDEX, /* check if the expession can be used as index */
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HB_EA_LVALUE, /* check if the expression can be used as lvalue (left side of an assigment) */
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HB_EA_PUSH_PCODE, /* generate the pcodes to push the value of expression */
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HB_EA_POP_PCODE, /* generate the pcodes to pop the value of expression */
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HB_EA_PUSH_POP, /* generate the pcodes to push and pop the expression */
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HB_EA_STATEMENT, /* generate the pcodes for a statement */
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HB_EA_DELETE /* delete components of the expression */
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} HB_EXPR_MESSAGE;
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/* additional definitions used to distinguish numeric expressions
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*/
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#define HB_ET_LONG 1
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#define HB_ET_DOUBLE 2
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/* additional definitions used to distinguish macro expressions
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*/
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#define HB_ET_MACRO_VAR 0 /* &variable */
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#define HB_ET_MACRO_SYMBOL 1 /* &fimcall() */
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#define HB_ET_MACRO_ALIASED 2 /* &alias->&variable */
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#define HB_ET_MACRO_EXPR 4 /* &( expr ) */
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#define HB_ET_MACRO_ARGLIST 8 /* &variable used as a function call argument */
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#define HB_ET_MACRO_LIST 16 /* &variable used as in literal arrays or parentesised expressions. */
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#define HB_ET_MACRO_INDEX 32 /* &variable used as arrays index. */
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#define HB_ET_MACRO_PARE 64 /* &variable used as arrays index. */
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/* types of expressions
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* NOTE: the order of these definition is important - change it carefully
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* All types <= HB_ET_FUNREF are constant values
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* All types <= HB_ET_VARIABLE are a simple values
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* All types > HB_ET_VARIABLE are operators
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*/
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typedef enum
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{
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HB_ET_NONE = 0,
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HB_ET_NIL,
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HB_ET_NUMERIC,
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HB_ET_STRING,
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HB_ET_CODEBLOCK,
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HB_ET_LOGICAL,
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HB_ET_SELF,
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HB_ET_ARRAY,
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HB_ET_VARREF,
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HB_ET_FUNREF,
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HB_ET_IIF,
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HB_ET_LIST,
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HB_ET_ARGLIST,
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HB_ET_ARRAYAT,
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HB_ET_MACRO,
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HB_ET_FUNCALL,
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HB_ET_ALIASVAR,
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HB_ET_ALIASEXPR,
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HB_ET_SEND,
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HB_ET_FUNNAME,
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HB_ET_ALIAS,
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HB_ET_RTVAR, /* PRIVATE or PUBLIC declaration of variable */
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HB_ET_VARIABLE,
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HB_EO_POSTINC, /* post-operators -> lowest precedence */
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HB_EO_POSTDEC,
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HB_EO_ASSIGN, /* assigments */
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HB_EO_PLUSEQ,
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HB_EO_MINUSEQ,
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HB_EO_MULTEQ,
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HB_EO_DIVEQ,
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HB_EO_MODEQ,
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HB_EO_EXPEQ,
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HB_EO_OR, /* logical operators */
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HB_EO_AND,
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HB_EO_NOT,
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HB_EO_EQUAL, /* relational operators */
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HB_EO_EQ,
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HB_EO_LT,
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HB_EO_GT,
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HB_EO_LE,
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HB_EO_GE,
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HB_EO_NE,
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HB_EO_IN,
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HB_EO_PLUS, /* addition */
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HB_EO_MINUS,
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HB_EO_MULT, /* multiple */
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HB_EO_DIV,
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HB_EO_MOD,
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HB_EO_POWER,
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HB_EO_NEGATE, /* sign operator */
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HB_EO_PREINC,
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HB_EO_PREDEC /* pre-operators -> the highest precedence */
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} HB_EXPR_OPERATOR;
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typedef struct HB_EXPR_
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{
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union
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{
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char *asSymbol; /* variable name */
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BOOL asLogical; /* logical value */
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struct
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{
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char *string; /* literal strings */
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BOOL dealloc; /* automatic deallocate on expresion deletion */
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} asString;
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struct
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{
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struct HB_EXPR_ *pMacro; /* macro variable */
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char *szName; /* variable name */
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} asRTVar; /* PUBLIC or PRIVATE variable declaration */
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struct
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{
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long lVal; /* long value */
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double dVal; /* double value */
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unsigned char bWidth; /* unsigned char used intentionally */
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unsigned char bDec; /* unsigned char used intentionally */
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unsigned char NumType; /* used to distinguish LONG and DOUBLE */
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} asNum;
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struct
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{
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unsigned char cMacroOp; /* macro operator */
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unsigned char SubType; /* context in which macro is used */
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char * szMacro; /* identifier after the macro operator */
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struct HB_EXPR_ *pExprList; /* list elements if &(...) was used */
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struct HB_EXPR_ *pFunCall; /* pointer to a function if used as function's call argument */
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} asMacro;
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struct
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{
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struct HB_EXPR_ *pExprList; /* list elements */
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struct HB_EXPR_ *pIndex; /* array index, others */
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} asList;
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struct
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{
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struct HB_EXPR_ *pAlias; /* alias expression */
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struct HB_EXPR_ *pVar; /* aliased variable or macro */
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struct HB_EXPR_ *pExpList; /* aliased expression list */
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} asAlias;
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struct
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{
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struct HB_EXPR_ *pFunName; /* function name */
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struct HB_EXPR_ *pParms; /* function call parameters */
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} asFunCall;
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struct
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{
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struct HB_EXPR_ *pObject; /* object */
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char * szMessage; /* message */
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struct HB_EXPR_ *pParms; /* method parameters */
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} asMessage;
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struct
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{
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struct HB_EXPR_ *pLeft; /* object */
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struct HB_EXPR_ *pRight; /* object */
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} asOperator;
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} value;
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ULONG ulLength;
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ULONG Counter;
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unsigned char ExprType; /* internal expression type */
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USHORT ValType; /* language level value type */
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struct HB_EXPR_ *pNext; /* next expression in the list of expressions */
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} HB_EXPR, *HB_EXPR_PTR;
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/* Definitions of function templates used in expression's message
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* handling
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*/
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#ifdef HB_MACRO_SUPPORT
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/* Compilation for macro compiler
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*/
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#define HB_EXPR_FUNC( proc ) HB_EXPR_PTR proc( HB_EXPR_PTR pSelf, int iMessage, void * pMacro )
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typedef HB_EXPR_FUNC( HB_EXPR_FUNC_ );
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typedef HB_EXPR_FUNC_ *HB_EXPR_FUNC_PTR;
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extern HB_EXPR_FUNC_PTR hb_comp_ExprTable[];
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#define HB_EXPR_USE( pSelf, iMessage ) \
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hb_comp_ExprTable[ (pSelf)->ExprType ]( (pSelf), (iMessage), pMacro )
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typedef HB_EXPR_PTR HB_EXPR_ACTION( HB_EXPR_PTR pSelf, int iMessage, void * pMacro );
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#define HB_EXPR_PCODE0( action ) action( pMacro )
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#define HB_EXPR_PCODE1( action, p1 ) action( (p1), pMacro )
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#define HB_EXPR_PCODE2( action, p1, p2 ) action( (p1), (p2), pMacro )
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#define HB_EXPR_PCODE3( action, p1, p2, p3 ) action( (p1), (p2), (p3), pMacro )
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#define HB_EXPR_PCODE4( action, p1, p2, p3, p4 ) action( (p1), (p2), (p3), (p4), pMacro )
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#define HB_EXPR_GENPCODE1( action, p1 ) action( (p1), pMacro )
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#define HB_EXPR_GENPCODE2( action, p1, p2, p3 ) action( (p1), (p2), pMacro )
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#define HB_EXPR_GENPCODE3( action, p1, p2, p3, p4 ) action( (p1), (p2), (p3), pMacro )
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#define HB_EXPR_GENPCODE4( action, p1, p2, p3, p4, p5 ) action( (p1), (p2), (p3), (p4), pMacro )
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#define HB_MACRO_VARNAME pMacro
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#else
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#define HB_EXPR_FUNC( proc ) HB_EXPR_PTR proc( HB_EXPR_PTR pSelf, int iMessage )
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typedef HB_EXPR_FUNC( HB_EXPR_FUNC_ );
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typedef HB_EXPR_FUNC_ *HB_EXPR_FUNC_PTR;
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extern HB_EXPR_FUNC_PTR hb_comp_ExprTable[];
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#define HB_EXPR_USE( pSelf, iMessage ) \
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hb_comp_ExprTable[ (pSelf)->ExprType ]( (pSelf), (iMessage) )
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typedef HB_EXPR_PTR HB_EXPR_ACTION( HB_EXPR_PTR pSelf, int iMessage );
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#define HB_EXPR_PCODE0( action ) action( )
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#define HB_EXPR_PCODE1( action, p1 ) action( (p1) )
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#define HB_EXPR_PCODE2( action, p1, p2 ) action( (p1), (p2) )
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#define HB_EXPR_PCODE3( action, p1, p2, p3 ) action( (p1), (p2), (p3) )
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#define HB_EXPR_PCODE4( action, p1, p2, p3, p4 ) action( (p1), (p2), (p3), (p4) )
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#define HB_EXPR_GENPCODE1( action, p1 ) action( (p1) )
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#define HB_EXPR_GENPCODE2( action, p1, p2, p3 ) action( (p1), (p2), (p3) )
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#define HB_EXPR_GENPCODE3( action, p1, p2, p3, p4 ) action( (p1), (p2), (p3), (p4) )
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#define HB_EXPR_GENPCODE4( action, p1, p2, p3, p4, p5 ) action( (p1), (p2), (p3), (p4), (p5) )
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/* pass NULL instead of macro structure pointer */
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#define HB_MACRO_DECL void *pMacro
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#define HB_MACRO_PARAM NULL
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#define HB_MACRO_VARNAME pMacro
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#endif
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HB_EXPR_PTR hb_compExprNew( int );
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HB_EXPR_PTR hb_compExprNewEmpty( void );
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HB_EXPR_PTR hb_compExprNewNil( void );
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HB_EXPR_PTR hb_compExprNewDouble( double, BYTE, BYTE );
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HB_EXPR_PTR hb_compExprNewLong( LONG );
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HB_EXPR_PTR hb_compExprNewString( char * );
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HB_EXPR_PTR hb_compExprNewLogical( int );
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HB_EXPR_PTR hb_compExprNewSelf( void );
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HB_EXPR_PTR hb_compExprNewCodeBlock( void );
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HB_EXPR_PTR hb_compExprNewArray( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewVar( char * );
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HB_EXPR_PTR hb_compExprNewAliasVar( HB_EXPR_PTR, HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewAliasExpr( HB_EXPR_PTR, HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewMacro( HB_EXPR_PTR, unsigned char, char * );
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HB_EXPR_PTR hb_compExprNewFunName( char * );
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HB_EXPR_PTR hb_compExprNewRTVar( char *, HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewAlias( char * );
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HB_EXPR_PTR hb_compExprNewEQ( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewNE( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewLT( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewLE( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewGT( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewGE( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewIN( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewPlus( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewMinus( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewMult( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewDiv( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewMod( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewPower( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewAssign( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewEqual( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewPlusEq( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewMinusEq( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewMultEq( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewDivEq( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewModEq( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewExpEq( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewPostInc( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewPostDec( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewPreInc( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewPreDec( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewAnd( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewOr( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewNot( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewNegate( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewVarRef( char * );
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HB_EXPR_PTR hb_compExprNewFunRef( char * );
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HB_EXPR_PTR hb_compExprNewCodeblockExpr( HB_EXPR_PTR, HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewFunCallArg( HB_EXPR_PTR, HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewSend( HB_EXPR_PTR, char * );
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HB_EXPR_PTR hb_compExprNewMethodCall( HB_EXPR_PTR, HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewList( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewArgList( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprAddListExpr( HB_EXPR_PTR, HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewIIF( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprReduce( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprAssign( HB_EXPR_PTR, HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprEqual( HB_EXPR_PTR, HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprAssignStatic( HB_EXPR_PTR, HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprClone( HB_EXPR_PTR pSrc );
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ULONG hb_compExprListLen( HB_EXPR_PTR );
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void hb_compExprClear( HB_EXPR_PTR );
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char * hb_compExprDescription( HB_EXPR_PTR );
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int hb_compExprType( HB_EXPR_PTR );
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void hb_compExprFree( HB_EXPR_PTR, HB_MACRO_DECL );
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void hb_compExprErrorType( HB_EXPR_PTR, HB_MACRO_DECL );
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HB_EXPR_PTR hb_compExprListStrip( HB_EXPR_PTR, HB_MACRO_DECL );
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BOOL hb_compExprCheckMacroVar( char * );
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void hb_compExprCBVarDel( HB_CBVAR_PTR );
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HB_EXPR_PTR hb_compExprReducePlusStrings( HB_EXPR_PTR, HB_EXPR_PTR, HB_MACRO_DECL );
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#ifdef HB_MACRO_SUPPORT
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HB_EXPR_PTR hb_compExprNewArrayAt( HB_EXPR_PTR, HB_EXPR_PTR, HB_MACRO_DECL );
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HB_EXPR_PTR hb_compExprSetOperand( HB_EXPR_PTR, HB_EXPR_PTR, HB_MACRO_DECL );
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HB_EXPR_PTR hb_compExprGenPop( HB_EXPR_PTR, HB_MACRO_DECL );
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HB_EXPR_PTR hb_compExprGenPush( HB_EXPR_PTR, HB_MACRO_DECL );
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HB_EXPR_PTR hb_compExprGenStatement( HB_EXPR_PTR, HB_MACRO_DECL );
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HB_EXPR_PTR hb_compExprNewFunCall( HB_EXPR_PTR, HB_EXPR_PTR, HB_MACRO_DECL );
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HB_EXPR_PTR hb_compExprCBVarAdd( HB_EXPR_PTR, char *, HB_MACRO_DECL );
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void hb_compExprDelete( HB_EXPR_PTR, HB_MACRO_DECL );
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HB_EXPR_PTR hb_compExprSetGetBlock( HB_EXPR_PTR pExpr, HB_MACRO_DECL );
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#else
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HB_EXPR_PTR hb_compExprNewArrayAt( HB_EXPR_PTR, HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprSetOperand( HB_EXPR_PTR, HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprGenPop( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprGenPush( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprGenStatement( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprNewFunCall( HB_EXPR_PTR, HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprCBVarAdd( HB_EXPR_PTR, char *, BYTE );
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void hb_compExprDelete( HB_EXPR_PTR );
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HB_EXPR_PTR hb_compExprSetGetBlock( HB_EXPR_PTR pExpr );
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#endif
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#if defined(HB_EXTERN_C)
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}
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#endif
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#endif /* HB_EXPROP_H_ */
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