149 lines
2.9 KiB
C
149 lines
2.9 KiB
C
/***************************************************************************
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subr.c
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Useful routines for subroutines and miscellaneous subroutines
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(c) 2000-2007 Benoit Minisini <gambas@users.sourceforge.net>
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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 1, or (at your option)
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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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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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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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/*PUBLIC int NPARAM;*/
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PUBLIC void SUBR_leave_void(int nparam)
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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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PUBLIC void SUBR_leave(int nparam)
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{
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BORROW(RP);
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RELEASE_MANY(SP, nparam);
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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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PUBLIC boolean SUBR_check_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_null(param->type))
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return TRUE;
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if (TYPE_is_string(param->type))
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{
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if (param->_string.len == 0)
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return TRUE;
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else
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return FALSE;
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}
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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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PUBLIC void SUBR_check_integer(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_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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PUBLIC void SUBR_check_float(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_number(param->type))
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{
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VALUE_conv(param, T_FLOAT);
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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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PUBLIC int SUBR_get_integer(VALUE *param)
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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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PUBLIC double SUBR_get_float(VALUE *param)
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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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PUBLIC char *SUBR_get_string(VALUE *param)
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{
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char *str;
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if (SUBR_check_string(param))
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return "";
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STRING_copy_from_value_temp(&str, param);
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return str;
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}
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PUBLIC char *SUBR_copy_string(VALUE *param)
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{
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char *ret;
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SUBR_check_string(param);
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STRING_copy_from_value_temp(&ret, param);
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/*RELEASE_STRING(param);*/
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return ret;
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}
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PUBLIC void SUBR_get_string_len(VALUE *param, char **str, int *len)
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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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VALUE_get_string(param, str, len);
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}
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