include/ghostscript/ierrors.h

0001 /* Copyright (C) 2001-2023 Artifex Software, Inc.
0002    All Rights Reserved.
0003
0004    This software is provided AS-IS with no warranty, either express or
0005    implied.
0006
0007    This software is distributed under license and may not be copied,
0008    modified or distributed except as expressly authorized under the terms
0009    of the license contained in the file LICENSE in this distribution.
0010
0011    Refer to licensing information at http://www.artifex.com or contact
0012    Artifex Software, Inc.,  39 Mesa Street, Suite 108A, San Francisco,
0013    CA 94129, USA, for further information.
0014 */
0015
0016
0017 /* Definition of error codes */
0018
0019 #ifndef ierrors_INCLUDED
0020 #  define ierrors_INCLUDED
0021
0022 #include "gserrors.h"
0023
0024 /*
0025  * DO NOT USE THIS FILE IN THE GRAPHICS LIBRARY.
0026  * THIS FILE IS PART OF THE POSTSCRIPT INTERPRETER.
0027  * USE gserrors.h IN THE LIBRARY.
0028  */
0029
0030 /*
0031  * A procedure that may return an error always returns
0032  * a non-negative value (zero, unless otherwise noted) for success,
0033  * or negative for failure.
0034  * We use ints rather than an enum to avoid a lot of casting.
0035  */
0036
0037 /* Define the error name table */
0038 extern const char *const gs_error_names[];
0039
0040                 /* ------ PostScript Level 1 errors ------ */
0041
0042 #define LEVEL1_ERROR_NAMES\
0043  "unknownerror", "dictfull", "dictstackoverflow", "dictstackunderflow",\
0044  "execstackoverflow", "interrupt", "invalidaccess", "invalidexit",\
0045  "invalidfileaccess", "invalidfont", "invalidrestore", "ioerror",\
0046  "limitcheck", "nocurrentpoint", "rangecheck", "stackoverflow",\
0047  "stackunderflow", "syntaxerror", "timeout", "typecheck", "undefined",\
0048  "undefinedfilename", "undefinedresult", "unmatchedmark", "VMerror"
0049
0050         /* ------ Additional Level 2 errors (also in DPS) ------ */
0051
0052 #define LEVEL2_ERROR_NAMES\
0053  "configurationerror", "undefinedresource", "unregistered"
0054
0055         /* ------ Additional DPS errors ------ */
0056
0057 #define DPS_ERROR_NAMES\
0058  "invalidcontext", "invalidid"
0059
0060 #define PDF_ERROR_NAMES\
0061  "pdf_stackoverflow", "pdf_circular_reference"
0062
0063 #define ERROR_NAMES\
0064  LEVEL1_ERROR_NAMES, LEVEL2_ERROR_NAMES, DPS_ERROR_NAMES, PDF_ERROR_NAMES
0065
0066 /*
0067  * Define which error codes require re-executing the current object.
0068  */
0069 #define GS_ERROR_IS_INTERRUPT(ecode)\
0070   ((ecode) == gs_error_interrupt || (ecode) == gs_error_timeout)
0071
0072 #endif /* ierrors_INCLUDED */