diff options
Diffstat (limited to 'src/object.c')
| -rw-r--r-- | src/object.c | 344 |
1 files changed, 172 insertions, 172 deletions
diff --git a/src/object.c b/src/object.c index 37e2b26..c54bf5c 100644 --- a/src/object.c +++ b/src/object.c @@ -2,12 +2,12 @@ Copyright 1991 by Stichting Mathematisch Centrum, Amsterdam, The Netherlands. - All Rights Reserved + All Rights Reserved -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, +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 +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. @@ -31,36 +31,36 @@ long ref_total; #endif /* Object allocation routines used by NEWOBJ and NEWVAROBJ macros. - These are used by the individual routines for object creation. - Do not call them otherwise, they do not initialize the object! */ + These are used by the individual routines for object creation. + Do not call them otherwise, they do not initialize the object! */ object * newobject(tp) - typeobject *tp; + typeobject *tp; { - object *op = (object *) malloc(tp->tp_basicsize); - if (op == NULL) - return err_nomem(); - NEWREF(op); - op->ob_type = tp; - return op; + object *op = (object *) malloc(tp->tp_basicsize); + if (op == NULL) + return err_nomem(); + NEWREF(op); + op->ob_type = tp; + return op; } #if 0 /* unused */ varobject * newvarobject(tp, size) - typeobject *tp; - unsigned int size; + typeobject *tp; + unsigned int size; { - varobject *op = (varobject *) - malloc(tp->tp_basicsize + size * tp->tp_itemsize); - if (op == NULL) - return err_nomem(); - NEWREF(op); - op->ob_type = tp; - op->ob_size = size; - return op; + varobject *op = (varobject *) + malloc(tp->tp_basicsize + size * tp->tp_itemsize); + if (op == NULL) + return err_nomem(); + NEWREF(op); + op->ob_type = tp; + op->ob_size = size; + return op; } #endif @@ -71,121 +71,121 @@ static int prlevel; void printobject(op, fp, flags) - object *op; - FILE *fp; - int flags; + object *op; + FILE *fp; + int flags; { - /* Hacks to make printing a long or recursive object interruptible */ - /* XXX Interrupts should leave a more permanent error */ - prlevel++; - if (!StopPrint && intrcheck()) { - fprintf(fp, "\n[print interrupted]\n"); - StopPrint = 1; - } - if (!StopPrint) { - if (op == NULL) { - fprintf(fp, "<nil>"); - } - else { - if (op->ob_refcnt <= 0) - fprintf(fp, "(refcnt %d):", op->ob_refcnt); - if (op->ob_type->tp_print == NULL) { - fprintf(fp, "<%s object at %lx>", - op->ob_type->tp_name, (long)op); - } - else { - (*op->ob_type->tp_print)(op, fp, flags); - } - } - } - prlevel--; - if (prlevel == 0) - StopPrint = 0; + /* Hacks to make printing a long or recursive object interruptible */ + /* XXX Interrupts should leave a more permanent error */ + prlevel++; + if (!StopPrint && intrcheck()) { + fprintf(fp, "\n[print interrupted]\n"); + StopPrint = 1; + } + if (!StopPrint) { + if (op == NULL) { + fprintf(fp, "<nil>"); + } + else { + if (op->ob_refcnt <= 0) + fprintf(fp, "(refcnt %d):", op->ob_refcnt); + if (op->ob_type->tp_print == NULL) { + fprintf(fp, "<%s object at %lx>", + op->ob_type->tp_name, (long)op); + } + else { + (*op->ob_type->tp_print)(op, fp, flags); + } + } + } + prlevel--; + if (prlevel == 0) + StopPrint = 0; } object * reprobject(v) - object *v; + object *v; { - object *w = NULL; - /* Hacks to make converting a long or recursive object interruptible */ - prlevel++; - if (!StopPrint && intrcheck()) { - StopPrint = 1; - err_set(KeyboardInterrupt); - } - if (!StopPrint) { - if (v == NULL) { - w = newstringobject("<NULL>"); - } - else if (v->ob_type->tp_repr == NULL) { - char buf[100]; - sprintf(buf, "<%.80s object at %lx>", - v->ob_type->tp_name, (long)v); - w = newstringobject(buf); - } - else { - w = (*v->ob_type->tp_repr)(v); - } - if (StopPrint) { - XDECREF(w); - w = NULL; - } - } - prlevel--; - if (prlevel == 0) - StopPrint = 0; - return w; + object *w = NULL; + /* Hacks to make converting a long or recursive object interruptible */ + prlevel++; + if (!StopPrint && intrcheck()) { + StopPrint = 1; + err_set(KeyboardInterrupt); + } + if (!StopPrint) { + if (v == NULL) { + w = newstringobject("<NULL>"); + } + else if (v->ob_type->tp_repr == NULL) { + char buf[100]; + sprintf(buf, "<%.80s object at %lx>", + v->ob_type->tp_name, (long)v); + w = newstringobject(buf); + } + else { + w = (*v->ob_type->tp_repr)(v); + } + if (StopPrint) { + XDECREF(w); + w = NULL; + } + } + prlevel--; + if (prlevel == 0) + StopPrint = 0; + return w; } int cmpobject(v, w) - object *v, *w; + object *v, *w; { - typeobject *tp; - if (v == w) - return 0; - if (v == NULL) - return -1; - if (w == NULL) - return 1; - if ((tp = v->ob_type) != w->ob_type) - return strcmp(tp->tp_name, w->ob_type->tp_name); - if (tp->tp_compare == NULL) - return (v < w) ? -1 : 1; - return ((*tp->tp_compare)(v, w)); + typeobject *tp; + if (v == w) + return 0; + if (v == NULL) + return -1; + if (w == NULL) + return 1; + if ((tp = v->ob_type) != w->ob_type) + return strcmp(tp->tp_name, w->ob_type->tp_name); + if (tp->tp_compare == NULL) + return (v < w) ? -1 : 1; + return ((*tp->tp_compare)(v, w)); } object * getattr(v, name) - object *v; - char *name; + object *v; + char *name; { - if (v->ob_type->tp_getattr == NULL) { - err_setstr(TypeError, "attribute-less object"); - return NULL; - } - else { - return (*v->ob_type->tp_getattr)(v, name); - } + if (v->ob_type->tp_getattr == NULL) { + err_setstr(TypeError, "attribute-less object"); + return NULL; + } + else { + return (*v->ob_type->tp_getattr)(v, name); + } } int setattr(v, name, w) - object *v; - char *name; - object *w; + object *v; + char *name; + object *w; { - if (v->ob_type->tp_setattr == NULL) { - if (v->ob_type->tp_getattr == NULL) - err_setstr(TypeError, "attribute-less object"); - else - err_setstr(TypeError, "object has read-only attributes"); - return -1; - } - else { - return (*v->ob_type->tp_setattr)(v, name, w); - } + if (v->ob_type->tp_setattr == NULL) { + if (v->ob_type->tp_getattr == NULL) + err_setstr(TypeError, "attribute-less object"); + else + err_setstr(TypeError, "object has read-only attributes"); + return -1; + } + else { + return (*v->ob_type->tp_setattr)(v, name, w); + } } @@ -197,39 +197,39 @@ so there is exactly one (which is indestructible, by the way). static void none_print(op, fp, flags) - object *op; - FILE *fp; - int flags; + object *op; + FILE *fp; + int flags; { - fprintf(fp, "None"); + fprintf(fp, "None"); } static object * none_repr(op) - object *op; + object *op; { - return newstringobject("None"); + return newstringobject("None"); } static typeobject Notype = { - OB_HEAD_INIT(&Typetype) - 0, - "None", - 0, - 0, - 0, /*tp_dealloc*/ /*never called*/ - none_print, /*tp_print*/ - 0, /*tp_getattr*/ - 0, /*tp_setattr*/ - 0, /*tp_compare*/ - none_repr, /*tp_repr*/ - 0, /*tp_as_number*/ - 0, /*tp_as_sequence*/ - 0, /*tp_as_mapping*/ + OB_HEAD_INIT(&Typetype) + 0, + "None", + 0, + 0, + 0, /*tp_dealloc*/ /*never called*/ + none_print, /*tp_print*/ + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + 0, /*tp_compare*/ + none_repr, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ }; object NoObject = { - OB_HEAD_INIT(&Notype) + OB_HEAD_INIT(&Notype) }; @@ -238,53 +238,53 @@ object NoObject = { static object refchain = {&refchain, &refchain}; NEWREF(op) - object *op; + object *op; { - ref_total++; - op->ob_refcnt = 1; - op->_ob_next = refchain._ob_next; - op->_ob_prev = &refchain; - refchain._ob_next->_ob_prev = op; - refchain._ob_next = op; + ref_total++; + op->ob_refcnt = 1; + op->_ob_next = refchain._ob_next; + op->_ob_prev = &refchain; + refchain._ob_next->_ob_prev = op; + refchain._ob_next = op; } UNREF(op) - register object *op; + register object *op; { - register object *p; - if (op->ob_refcnt < 0) { - fprintf(stderr, "UNREF negative refcnt\n"); - abort(); - } - for (p = refchain._ob_next; p != &refchain; p = p->_ob_next) { - if (p == op) - break; - } - if (p == &refchain) { /* Not found */ - fprintf(stderr, "UNREF unknown object\n"); - abort(); - } - op->_ob_next->_ob_prev = op->_ob_prev; - op->_ob_prev->_ob_next = op->_ob_next; + register object *p; + if (op->ob_refcnt < 0) { + fprintf(stderr, "UNREF negative refcnt\n"); + abort(); + } + for (p = refchain._ob_next; p != &refchain; p = p->_ob_next) { + if (p == op) + break; + } + if (p == &refchain) { /* Not found */ + fprintf(stderr, "UNREF unknown object\n"); + abort(); + } + op->_ob_next->_ob_prev = op->_ob_prev; + op->_ob_prev->_ob_next = op->_ob_next; } DELREF(op) - object *op; + object *op; { - UNREF(op); - (*(op)->ob_type->tp_dealloc)(op); + UNREF(op); + (*(op)->ob_type->tp_dealloc)(op); } printrefs(fp) - FILE *fp; + FILE *fp; { - object *op; - fprintf(fp, "Remaining objects:\n"); - for (op = refchain._ob_next; op != &refchain; op = op->_ob_next) { - fprintf(fp, "[%d] ", op->ob_refcnt); - printobject(op, fp, 0); - putc('\n', fp); - } + object *op; + fprintf(fp, "Remaining objects:\n"); + for (op = refchain._ob_next; op != &refchain; op = op->_ob_next) { + fprintf(fp, "[%d] ", op->ob_refcnt); + printobject(op, fp, 0); + putc('\n', fp); + } } #endif |
