2007-12-30 17:41:49 +01:00
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/***************************************************************************
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2009-08-17 12:41:51 +02:00
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gbx_subr.c
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2007-12-30 17:41:49 +01:00
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2013-08-03 17:38:01 +02:00
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(c) 2000-2013 Benoît Minisini <gambas@users.sourceforge.net>
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2007-12-30 17:41:49 +01:00
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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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2009-08-17 12:41:51 +02:00
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the Free Software Foundation; either version 2, or (at your option)
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2007-12-30 17:41:49 +01:00
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any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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2011-06-03 02:51:09 +02:00
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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2011-12-31 03:39:20 +01:00
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MA 02110-1301, USA.
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2007-12-30 17:41:49 +01:00
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***************************************************************************/
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#define __GBX_SUBR_C
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#include "gb_common.h"
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#include "gbx_subr.h"
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#include "gambas.h"
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#include "gbx_api.h"
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2008-01-17 22:39:26 +01:00
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/*int NPARAM;*/
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2007-12-30 17:41:49 +01:00
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2008-01-17 22:39:26 +01:00
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void SUBR_leave_void(int nparam)
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2007-12-30 17:41:49 +01:00
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{
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RELEASE_MANY(SP, nparam);
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SP->type = T_VOID;
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SP++;
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}
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2008-01-17 22:39:26 +01:00
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void SUBR_leave(int nparam)
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2007-12-30 17:41:49 +01:00
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{
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BORROW(RP);
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RELEASE_MANY(SP, nparam);
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2010-06-05 01:48:53 +02:00
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2007-12-30 17:41:49 +01:00
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//*SP++ = *RP;
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COPY_VALUE(SP, RP);
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SP++;
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RP->type = T_VOID;
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}
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2010-06-05 01:48:53 +02:00
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bool SUBR_check_string_real(VALUE *param)
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2007-12-30 17:41:49 +01:00
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{
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2008-03-19 15:32:30 +01:00
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__RETRY:
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if (TYPE_is_string(param->type))
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return (param->_string.len == 0);
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2007-12-30 17:41:49 +01:00
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if (TYPE_is_null(param->type))
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return TRUE;
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2008-03-19 15:32:30 +01:00
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if (param->type == T_VARIANT)
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2007-12-30 17:41:49 +01:00
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{
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2008-03-19 15:32:30 +01:00
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VARIANT_undo(param);
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goto __RETRY;
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}
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2007-12-30 17:41:49 +01:00
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THROW(E_TYPE, TYPE_get_name(T_STRING), TYPE_get_name((param)->type));
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}
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2008-01-17 22:39:26 +01:00
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void SUBR_check_integer(VALUE *param)
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2007-12-30 17:41:49 +01:00
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{
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if (param->type == T_VARIANT)
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VARIANT_undo(param);
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if (TYPE_is_integer(param->type))
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return;
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THROW(E_TYPE, TYPE_get_name(T_INTEGER), TYPE_get_name((param)->type));
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}
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2008-01-17 22:39:26 +01:00
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void SUBR_check_float(VALUE *param)
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2007-12-30 17:41:49 +01:00
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{
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if (param->type == T_VARIANT)
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VARIANT_undo(param);
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if (TYPE_is_number(param->type))
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{
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2010-06-03 01:23:50 +02:00
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VALUE_conv_float(param);
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2007-12-30 17:41:49 +01:00
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return;
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}
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THROW(E_TYPE, TYPE_get_name(T_INTEGER), TYPE_get_name((param)->type));
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}
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2008-01-17 22:39:26 +01:00
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int SUBR_get_integer(VALUE *param)
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2007-12-30 17:41:49 +01:00
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{
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SUBR_check_integer(param);
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return param->_integer.value;
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}
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2008-01-17 22:39:26 +01:00
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void *SUBR_get_pointer(VALUE *param)
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{
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if (param->type == T_VARIANT)
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VARIANT_undo(param);
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if (param->type != T_POINTER)
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THROW(E_TYPE, "Pointer", TYPE_get_name((param)->type));
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return (void *)param->_pointer.value;
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}
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2010-11-26 21:30:58 +01:00
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void *SUBR_get_pointer_or_string(VALUE *param)
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{
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if (param->type == T_VARIANT)
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VARIANT_undo(param);
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if (TYPE_is_string(param->type))
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return (void *)(param->_string.addr + param->_string.start);
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if (param->type == T_POINTER)
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return (void *)param->_pointer.value;
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THROW(E_TYPE, "Pointer", TYPE_get_name((param)->type));
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}
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2008-01-17 22:39:26 +01:00
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double SUBR_get_float(VALUE *param)
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2007-12-30 17:41:49 +01:00
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{
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SUBR_check_float(param);
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return param->_float.value;
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}
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2008-01-17 22:39:26 +01:00
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char *SUBR_get_string(VALUE *param)
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2007-12-30 17:41:49 +01:00
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{
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if (SUBR_check_string(param))
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return "";
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2010-06-05 01:48:53 +02:00
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return STRING_copy_from_value_temp(param);
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2007-12-30 17:41:49 +01:00
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}
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2008-01-17 22:39:26 +01:00
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char *SUBR_copy_string(VALUE *param)
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2007-12-30 17:41:49 +01:00
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{
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SUBR_check_string(param);
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2010-06-05 01:48:53 +02:00
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return STRING_copy_from_value_temp(param);
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2007-12-30 17:41:49 +01:00
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}
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2008-01-17 22:39:26 +01:00
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void SUBR_get_string_len(VALUE *param, char **str, int *len)
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2007-12-30 17:41:49 +01:00
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{
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if (SUBR_check_string(param))
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{
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*str = NULL;
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*len = 0;
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}
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else
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2008-03-19 15:32:30 +01:00
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{
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*str = param->_string.addr + param->_string.start;
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*len = param->_string.len;
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}
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2007-12-30 17:41:49 +01:00
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}
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2009-09-10 21:30:41 +02:00
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bool SUBR_get_boolean(VALUE *param)
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{
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2010-06-03 01:23:50 +02:00
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VALUE_conv_boolean(param);
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2009-09-10 21:30:41 +02:00
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return param->_boolean.value;
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}
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2009-09-17 22:58:27 +02:00
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static TYPE conv_type(TYPE type)
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{
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2011-07-16 17:41:51 +02:00
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/*if (type <= T_BYTE)
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type = T_BYTE;*/
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if (type == T_CSTRING) // || type == T_NULL)
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2009-09-17 22:58:27 +02:00
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type = T_STRING;
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return type;
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}
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TYPE SUBR_check_good_type(VALUE *param, int count)
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{
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int i;
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TYPE type, type2;
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2012-03-16 22:41:38 +01:00
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type = conv_type(param[0].type);
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2009-09-17 22:58:27 +02:00
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2012-03-16 22:41:38 +01:00
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if (TYPE_is_value(type))
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2009-09-17 22:58:27 +02:00
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{
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2012-03-16 22:41:38 +01:00
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for (i = 1; i < count; i++)
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2009-09-17 22:58:27 +02:00
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{
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2012-03-16 22:41:38 +01:00
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type2 = conv_type(param[i].type);
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2009-09-17 22:58:27 +02:00
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2012-03-16 22:41:38 +01:00
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if (type2 == type)
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continue;
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if (type == T_NULL)
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{
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if (type2 <= T_FLOAT)
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goto __VARIANT;
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2009-09-17 22:58:27 +02:00
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type = type2;
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continue;
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2012-03-16 22:41:38 +01:00
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}
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if (type <= T_FLOAT && type2 <= T_FLOAT)
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{
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if (type2 > type)
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type = type2;
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continue;
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}
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if (type2 == T_NULL)
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{
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if (type <= T_FLOAT)
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goto __VARIANT;
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else
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continue;
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}
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if (TYPE_is_object(type) && TYPE_is_object(type2))
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{
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type = T_OBJECT;
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continue;
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}
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type = T_VARIANT;
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break;
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2009-09-17 22:58:27 +02:00
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}
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}
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2011-11-13 00:56:21 +01:00
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if (type == T_VOID)
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THROW(E_NRETURN);
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2012-03-16 22:41:38 +01:00
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else if (!TYPE_is_value(type))
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THROW(E_TYPE, "Variant", TYPE_get_name(type));
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2011-10-30 16:51:57 +01:00
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2009-09-17 22:58:27 +02:00
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return type;
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__VARIANT:
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return T_VARIANT;
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2009-09-20 19:32:12 +02:00
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}
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TYPE SUBR_get_type(VALUE *param)
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{
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if (param->type == T_INTEGER)
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return (TYPE)param->_integer.value;
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if (param->type == T_CLASS)
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return (TYPE)param->_class.class;
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2010-05-27 00:01:28 +02:00
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THROW_ILLEGAL();
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2009-09-20 19:32:12 +02:00
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}
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