mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-31 05:58:33 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 7

"Compiling" version

Browse source
This commit is contained in:
Guido van Rossum 1990-12-20 15:06:42 +00:00
parent 226d79eb4a
commit 3f5da24ea3
72 changed files with 3363 additions and 2061 deletions
Download patch file Download diff file Expand all files Collapse all files

57
Include/object.h
View file

@ -1,3 +1,4 @@
#define NDEBUG
/* Object and type object interface */
/*
@ -47,11 +48,15 @@ whose size is determined when the object is allocated.
123456789-123456789-123456789-123456789-123456789-123456789-123456789-12
*/
#ifdef THINK_C
/* Debugging options for THINK_C (which has no -D compiler option): */
/*#define TRACE_REFS*/
/*#define REF_DEBUG*/
#endif
#ifndef NDEBUG
/* Turn on heavy reference debugging */
#define TRACE_REFS
/* Turn on reference counting */
#define REF_DEBUG
#endif /* NDEBUG */
#ifdef TRACE_REFS
#define OB_HEAD \
@ -147,9 +152,12 @@ extern typeobject Typetype; /* The type of type objects */
#define is_typeobject(op) ((op)->ob_type == &Typetype)
/* Generic operations on objects */
extern void printobject PROTO((object *, FILE *, int));
extern object * reprobject PROTO((object *));
extern int cmpobject PROTO((object *, object *));
extern object *getattr PROTO((object *, char *));
extern int setattr PROTO((object *, char *, object *));
/* Flag bits for printing: */
#define PRINT_RAW 1 /* No string quotes etc. */
@ -215,6 +223,10 @@ extern long ref_total;
DELREF(op)
#endif
/* Macros to use in case the object pointer may be NULL: */
#define XINCREF(op) if ((op) == NULL) ; else INCREF(op)
#define XDECREF(op) if ((op) == NULL) ; else DECREF(op)
/* Definition of NULL, so you don't have to include <stdio.h> */
@ -252,22 +264,12 @@ Failure Modes
-------------
Functions may fail for a variety of reasons, including running out of
memory. This is communicated to the caller in two ways: 'errno' is set
to indicate the error, and the function result differs: functions that
normally return a pointer return nil for failure, functions returning
an integer return -1 (which can be a legal return value too!), and
other functions return 0 for success and the error number for failure.
Callers should always check for errors before using the result. The
following error codes are used:
EBADF bad object type (first argument only)
EINVAL bad argument type (second and further arguments)
ENOMEM no memory (malloc failed)
ENOENT key not found in dictionary
EDOM index out of range or division by zero
ERANGE result not representable
XXX any others?
memory. This is communicated to the caller in two ways: an error string
is set (see errors.h), and the function result differs: functions that
normally return a pointer return NULL for failure, functions returning
an integer return -1 (which could be a legal return value too!), and
other functions return 0 for success and -1 for failure.
Callers should always check for errors before using the result.
Reference Counts
----------------
@ -296,16 +298,3 @@ times.
123456789-123456789-123456789-123456789-123456789-123456789-123456789-12
*/
/* Error number interface */
#include <errno.h>
#ifndef errno
extern int errno;
#endif
#ifdef THINK_C
/* Lightspeed C doesn't define these in <errno.h> */
#define EDOM 33
#define ERANGE 34
#endif