/*********************************************************** Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam, The Netherlands. All Rights Reserved Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the names of Stichting Mathematisch Centrum or CWI not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. ******************************************************************/ /* Functions used by cgen output */ #include "allobjects.h" #include "cgensupport.h" /* Functions to extract arguments. These needs to know the total number of arguments supplied, since the argument list is a tuple only of there is more than one argument. */ int getiobjectarg(args, nargs, i, p_arg) register object *args; int nargs, i; object **p_arg; { if (nargs != 1) { if (args == NULL || !is_tupleobject(args) || nargs != gettuplesize(args) || i < 0 || i >= nargs) { return err_badarg(); } else { args = gettupleitem(args, i); } } if (args == NULL) { return err_badarg(); } *p_arg = args; return 1; } int getilongarg(args, nargs, i, p_arg) register object *args; int nargs, i; long *p_arg; { if (nargs != 1) { if (args == NULL || !is_tupleobject(args) || nargs != gettuplesize(args) || i < 0 || i >= nargs) { return err_badarg(); } args = gettupleitem(args, i); } if (args == NULL || !is_intobject(args)) { return err_badarg(); } *p_arg = getintvalue(args); return 1; } int getishortarg(args, nargs, i, p_arg) register object *args; int nargs, i; short *p_arg; { long x; if (!getilongarg(args, nargs, i, &x)) return 0; *p_arg = x; return 1; } static int extractdouble(v, p_arg) register object *v; double *p_arg; { if (v == NULL) { /* Fall through to error return at end of function */ } else if (is_floatobject(v)) { *p_arg = GETFLOATVALUE((floatobject *)v); return 1; } else if (is_intobject(v)) { *p_arg = GETINTVALUE((intobject *)v); return 1; } else if (is_longobject(v)) { *p_arg = dgetlongvalue(v); return 1; } return err_badarg(); } static int extractfloat(v, p_arg) register object *v; float *p_arg; { if (v == NULL) { /* Fall through to error return at end of function */ } else if (is_floatobject(v)) { *p_arg = GETFLOATVALUE((floatobject *)v); return 1; } else if (is_intobject(v)) { *p_arg = GETINTVALUE((intobject *)v); return 1; } else if (is_longobject(v)) { *p_arg = dgetlongvalue(v); return 1; } return err_badarg(); } int getifloatarg(args, nargs, i, p_arg) register object *args; int nargs, i; float *p_arg; { object *v; float x; if (!getiobjectarg(args, nargs, i, &v)) return 0; if (!extractfloat(v, &x)) return 0; *p_arg = x; return 1; } int getistringarg(args, nargs, i, p_arg) object *args; int nargs, i; string *p_arg; { object *v; if (!getiobjectarg(args, nargs, i, &v)) return 0; if (!is_stringobject(v)) { return err_badarg(); } *p_arg = getstringvalue(v); return 1; } int getichararg(args, nargs, i, p_arg) object *args; int nargs, i; char *p_arg; { string x; if (!getistringarg(args, nargs, i, &x)) return 0; if (x[0] == '\0' || x[1] != '\0') { /* Not exactly one char */ return err_badarg(); } *p_arg = x[0]; return 1; } int getilongarraysize(args, nargs, i, p_arg) object *args; int nargs, i; long *p_arg; { object *v; if (!getiobjectarg(args, nargs, i, &v)) return 0; if (is_tupleobject(v)) { *p_arg = gettuplesize(v); return 1; } if (is_listobject(v)) { *p_arg = getlistsize(v); return 1; } return err_badarg(); } int getishortarraysize(args, nargs, i, p_arg) object *args; int nargs, i; short *p_arg; { long x; if (!getilongarraysize(args, nargs, i, &x)) return 0; *p_arg = x; return 1; } /* XXX The following four are too similar. Should share more code. */ int getilongarray(args, nargs, i, n, p_arg) object *args; int nargs, i; int n; long *p_arg; /* [n] */ { object *v, *w; if (!getiobjectarg(args, nargs, i, &v)) return 0; if (is_tupleobject(v)) { if (gettuplesize(v) != n) { return err_badarg(); } for (i = 0; i < n; i++) { w = gettupleitem(v, i); if (!is_intobject(w)) { return err_badarg(); } p_arg[i] = getintvalue(w); } return 1; } else if (is_listobject(v)) { if (getlistsize(v) != n) { return err_badarg(); } for (i = 0; i < n; i++) { w = getlistitem(v, i); if (!is_intobject(w)) { return err_badarg(); } p_arg[i] = getintvalue(w); } return 1; } else { return err_badarg(); } } int getishortarray(args, nargs, i, n, p_arg) object *args; int nargs, i; int n; short *p_arg; /* [n] */ { object *v, *w; if (!getiobjectarg(args, nargs, i, &v)) return 0; if (is_tupleobject(v)) { if (gettuplesize(v) != n) { return err_badarg(); } for (i = 0; i < n; i++) { w = gettupleitem(v, i); if (!is_intobject(w)) { return err_badarg(); } p_arg[i] = getintvalue(w); } return 1; } else if (is_listobject(v)) { if (getlistsize(v) != n) { return err_badarg(); } for (i = 0; i < n; i++) { w = getlistitem(v, i); if (!is_intobject(w)) { return err_badarg(); } p_arg[i] = getintvalue(w); } return 1; } else { return err_badarg(); } } int getidoublearray(args, nargs, i, n, p_arg) object *args; int nargs, i; int n; double *p_arg; /* [n] */ { object *v, *w; if (!getiobjectarg(args, nargs, i, &v)) return 0; if (is_tupleobject(v)) { if (gettuplesize(v) != n) { return err_badarg(); } for (i = 0; i < n; i++) { w = gettupleitem(v, i); if (!extractdouble(w, &p_arg[i])) return 0; } return 1; } else if (is_listobject(v)) { if (getlistsize(v) != n) { return err_badarg(); } for (i = 0; i < n; i++) { w = getlistitem(v, i); if (!extractdouble(w, &p_arg[i])) return 0; } return 1; } else { return err_badarg(); } } int getifloatarray(args, nargs, i, n, p_arg) object *args; int nargs, i; int n; float *p_arg; /* [n] */ { object *v, *w; if (!getiobjectarg(args, nargs, i, &v)) return 0; if (is_tupleobject(v)) { if (gettuplesize(v) != n) { return err_badarg(); } for (i = 0; i < n; i++) { w = gettupleitem(v, i); if (!extractfloat(w, &p_arg[i])) return 0; } return 1; } else if (is_listobject(v)) { if (getlistsize(v) != n) { return err_badarg(); } for (i = 0; i < n; i++) { w = getlistitem(v, i); if (!extractfloat(w, &p_arg[i])) return 0; } return 1; } else { return err_badarg(); } }