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169 lines
4.9 KiB
169 lines
4.9 KiB
/* Copyright (C) 1989, 1995, 1998, 1999 Aladdin Enterprises. All rights reserved. |
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This software is provided AS-IS with no warranty, either express or |
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implied. |
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This software is distributed under license and may not be copied, |
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modified or distributed except as expressly authorized under the terms |
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of the license contained in the file LICENSE in this distribution. |
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For more information about licensing, please refer to |
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http://www.ghostscript.com/licensing/. For information on |
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commercial licensing, go to http://www.artifex.com/licensing/ or |
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contact Artifex Software, Inc., 101 Lucas Valley Road #110, |
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San Rafael, CA 94903, U.S.A., +1(415)492-9861. |
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*/ |
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/* $Id: ierrors.h,v 1.2.2.1 2003/12/12 22:08:04 giles Exp $ */ |
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/* Definition of error codes */ |
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#ifndef ierrors_INCLUDED |
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# define ierrors_INCLUDED |
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/* |
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* DO NOT USE THIS FILE IN THE GRAPHICS LIBRARY. |
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* THIS FILE IS PART OF THE POSTSCRIPT INTERPRETER. |
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* USE gserrors.h IN THE LIBRARY. |
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*/ |
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/* |
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* A procedure that may return an error always returns |
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* a non-negative value (zero, unless otherwise noted) for success, |
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* or negative for failure. |
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* We use ints rather than an enum to avoid a lot of casting. |
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*/ |
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/* Define the error name table */ |
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extern const char *const gs_error_names[]; |
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/* ------ PostScript Level 1 errors ------ */ |
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#define e_unknownerror (-1) /* unknown error */ |
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#define e_dictfull (-2) |
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#define e_dictstackoverflow (-3) |
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#define e_dictstackunderflow (-4) |
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#define e_execstackoverflow (-5) |
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#define e_interrupt (-6) |
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/* We also need to define gs_error_interrupt, for gpcheck.h. */ |
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#undef gs_error_interrupt |
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#define gs_error_interrupt e_interrupt |
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#define e_invalidaccess (-7) |
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#define e_invalidexit (-8) |
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#define e_invalidfileaccess (-9) |
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#define e_invalidfont (-10) |
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#define e_invalidrestore (-11) |
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#define e_ioerror (-12) |
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#define e_limitcheck (-13) |
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#define e_nocurrentpoint (-14) |
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#define e_rangecheck (-15) |
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#define e_stackoverflow (-16) |
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#define e_stackunderflow (-17) |
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#define e_syntaxerror (-18) |
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#define e_timeout (-19) |
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#define e_typecheck (-20) |
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#define e_undefined (-21) |
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#define e_undefinedfilename (-22) |
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#define e_undefinedresult (-23) |
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#define e_unmatchedmark (-24) |
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#define e_VMerror (-25) |
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#define LEVEL1_ERROR_NAMES\ |
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"unknownerror", "dictfull", "dictstackoverflow", "dictstackunderflow",\ |
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"execstackoverflow", "interrupt", "invalidaccess", "invalidexit",\ |
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"invalidfileaccess", "invalidfont", "invalidrestore", "ioerror",\ |
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"limitcheck", "nocurrentpoint", "rangecheck", "stackoverflow",\ |
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"stackunderflow", "syntaxerror", "timeout", "typecheck", "undefined",\ |
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"undefinedfilename", "undefinedresult", "unmatchedmark", "VMerror" |
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/* ------ Additional Level 2 and DPS errors ------ */ |
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#define e_configurationerror (-26) |
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#define e_invalidcontext (-27) |
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#define e_undefinedresource (-28) |
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#define e_unregistered (-29) |
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/* invalidid is for the NeXT DPS extension. */ |
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#define e_invalidid (-30) |
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#define e_last (-30) |
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#define LEVEL2_ERROR_NAMES\ |
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"configurationerror", "invalidcontext", "undefinedresource",\ |
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"unregistered", "invalidid" |
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#define ERROR_NAMES LEVEL1_ERROR_NAMES, LEVEL2_ERROR_NAMES |
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/* ------ Pseudo-errors used internally ------ */ |
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/* |
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* Internal code for a fatal error. |
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* gs_interpret also returns this for a .quit with a positive exit code. |
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*/ |
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#define e_Fatal (-100) |
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/* |
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* Internal code for the .quit operator. |
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* The real quit code is an integer on the operand stack. |
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* gs_interpret returns this only for a .quit with a zero exit code. |
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*/ |
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#define e_Quit (-101) |
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/* |
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* Internal code for a normal exit from the interpreter. |
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* Do not use outside of interp.c. |
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*/ |
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#define e_InterpreterExit (-102) |
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/* |
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* Internal code that indicates that a procedure has been stored in the |
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* remap_proc of the graphics state, and should be called before retrying |
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* the current token. This is used for color remapping involving a call |
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* back into the interpreter -- inelegant, but effective. |
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*/ |
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#define e_RemapColor (-103) |
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/* |
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* Internal code to indicate we have underflowed the top block |
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* of the e-stack. |
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*/ |
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#define e_ExecStackUnderflow (-104) |
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/* |
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* Internal code for the vmreclaim operator with a positive operand. |
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* We need to handle this as an error because otherwise the interpreter |
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* won't reload enough of its state when the operator returns. |
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*/ |
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#define e_VMreclaim (-105) |
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/* |
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* Internal code for requesting more input from run_string. |
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*/ |
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#define e_NeedInput (-106) |
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/* |
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* Internal code for stdin callout. |
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*/ |
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#define e_NeedStdin (-107) |
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/* |
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* Internal code for stdout callout. |
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*/ |
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#define e_NeedStdout (-108) |
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/* |
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* Internal code for stderr callout. |
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*/ |
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#define e_NeedStderr (-109) |
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/* |
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* Internal code for a normal exit when usage info is displayed. |
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* This allows Window versions of Ghostscript to pause until |
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* the message can be read. |
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*/ |
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#define e_Info (-110) |
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/* |
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* Define which error codes require re-executing the current object. |
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*/ |
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#define ERROR_IS_INTERRUPT(ecode)\ |
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((ecode) == e_interrupt || (ecode) == e_timeout) |
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#endif /* ierrors_INCLUDED */
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