b936c83f0d
* NEW: Update copyright strings. [DEVELOPMENT ENVIRONMENT] * NEW: Display menu shortcuts inside the form editor. git-svn-id: svn://localhost/gambas/trunk@3670 867c0c6c-44f3-4631-809d-bfa615b0a4ec
622 lines
13 KiB
C
622 lines
13 KiB
C
/***************************************************************************
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gb_error.c
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(c) 2000-2011 Benoît Minisini <gambas@users.sourceforge.net>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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***************************************************************************/
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#define __GB_ERROR_C
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#include "gb_common.h"
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#include <stdarg.h>
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#include <ctype.h>
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#include "gb_buffer.h"
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#include "gbx_debug.h"
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#include "gbx_exec.h"
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#include "gbx_api.h"
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#include "gb_error.h"
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//#define DEBUG_ERROR 1
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ERROR_CONTEXT *ERROR_current = NULL;
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ERROR_INFO ERROR_last = { 0 };
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ERROR_HANDLER *ERROR_handler = NULL;
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#if DEBUG_ERROR
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int ERROR_depth = 0;
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#endif
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static int _lock = 0;
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static const char *_message[67] =
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{
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/* 0 E_UNKNOWN */ "Unknown error",
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/* 1 E_MEMORY */ "Out of memory",
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/* 2 E_CLASS */ ".3Cannot load class '&1': &2&3",
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/* 3 E_STACK */ "Stack overflow",
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/* 4 E_NEPARAM */ "Not enough arguments",
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/* 5 E_TMPARAM */ "Too many arguments",
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/* 6 E_TYPE */ ".2Type mismatch: wanted &1, got &2 instead",
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/* 7 E_OVERFLOW */ "Overflow",
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/* 8 E_ILLEGAL */ "Illegal instruction",
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/* 9 E_NFUNC */ "Not a function",
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/* 10 E_CSTATIC */ ".1Class '&1' is not creatable",
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/* 11 E_NSYMBOL */ ".2Unknown symbol '&1' in class '&2'",
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/* 12 E_NOBJECT */ "Not an object",
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/* 13 E_NULL */ "Null object",
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/* 14 E_STATIC */ ".2'&1.&2' is static",
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/* 15 E_NREAD */ ".2'&1.&2' is write only",
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/* 16 E_NWRITE */ ".2'&1.&2' is read only",
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/* 17 E_NPROPERTY */ ".2'&1.&2' is not a property",
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/* 18 E_NRETURN */ "No return value",
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/* 19 E_MATH*/ "Mathematic error",
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/* 20 E_ARG */ "Bad argument",
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/* 21 E_BOUND */ "Out of bounds",
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/* 22 E_NDIM */ "Bad number of dimensions",
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/* 23 E_NARRAY */ "Not an array",
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/* 24 E_MAIN */ "No startup method",
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/* 25 E_NNEW */ "No instantiation method",
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/* 26 E_ZERO */ "Division by zero",
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/* 27 E_LIBRARY */ ".2Cannot load component '&1': &2",
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/* 28 E_EVENT */ ".3Bad event handler in &1.&2(): &3",
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/* 29 E_IOBJECT */ "Invalid object",
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/* 30 E_ENUM */ "Not an enumeration",
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/* 31 E_UCONV */ "Unsupported string conversion",
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/* 32 E_CONV */ "Bad string conversion",
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/* 33 E_DATE */ "Invalid date",
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/* 34 E_BADPATH */ "Invalid path",
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/* 35 E_OPEN */ ".2Cannot open file '&1': &2",
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/* 36 E_PROJECT */ ".2Bad project file: line &1: &2",
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/* 37 E_FULL */ "Device is full",
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/* 38 E_EXIST */ "File already exists", /* &1 */
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/* 39 E_EOF */ "End of file",
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/* 40 E_FORMAT */ "Bad format string",
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/* 41 E_DYNAMIC */ ".2'&1.&2' is not static",
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/* 42 E_SYSTEM */ ".2System error #&1: &2",
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/* 43 E_ACCESS */ "Access forbidden",
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/* 44 E_TOOLONG */ "File name is too long",
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/* 45 E_NEXIST */ "File or directory does not exist", /* &1 */
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/* 46 E_DIR */ "File is a directory", /* &1 */
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/* 47 E_READ */ "Read error",
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/* 48 E_WRITE */ "Write error",
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/* 49 E_NDIR */ ".1Not a directory: &1",
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/* 50 E_REGEXP */ ".1Bad regular expression: &1",
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/* 51 E_ARCH */ ".2Bad archive: &1: &2",
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/* 52 E_REGISTER */ ".1Cannot register class '&1'",
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/* 53 E_CLOSED */ "Stream is closed",
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/* 54 E_VIRTUAL */ "Bad use of virtual class",
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/* 55 E_STOP */ "STOP instruction encountered",
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/* 56 E_STRING */ "Too many simultaneous new strings",
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/* 57 E_EVAL */ ".1Bad expression: &1",
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/* 58 E_LOCK */ "File is locked",
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/* 59 E_PARENT */ "No parent class",
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/* 60 E_EXTLIB */ ".2Cannot find dynamic library '&1': &2",
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/* 61 E_EXTSYM */ ".2Cannot find symbol '&2' in dynamic library '&1'",
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/* 62 E_BYREF */ "Argument cannot be passed by reference",
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/* 63 E_OVERRIDE */ ".3'&1.&2' is badly overridden in class '&3'",
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/* 64 E_NKEY */ "Void key",
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/* 65 E_SARRAY */ "Embedded array",
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/* 66 E_EXTCB */ ".1Cannot create callback: &1"
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/* 67 E_SERIAL */ "Serialization error"
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};
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#if DEBUG_ERROR
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void ERROR_debug(const char *msg, ...)
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{
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int i;
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va_list args;
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ERROR_CONTEXT *err;
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va_start(args, msg);
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for (i = 0; i < ERROR_depth; i++)
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fprintf(stderr, "- ");
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vfprintf(stderr, msg, args);
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fprintf(stderr, "\t\t\t\t\t\t\t\t\t");
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DEBUG_where();
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err = ERROR_current;
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while (err)
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{
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fprintf(stderr, "[%p] -> ", err);
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err = err->prev;
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}
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fprintf(stderr, "NULL\n");
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}
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#endif
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void ERROR_lock()
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{
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_lock++;
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}
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void ERROR_unlock()
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{
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_lock--;
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}
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void ERROR_reset(ERROR_INFO *info)
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{
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if (!info->code)
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return;
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info->code = 0;
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if (info->free)
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{
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STRING_unref(&info->msg);
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info->free = FALSE;
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}
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info->msg = NULL;
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info->bt_count = 0;
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}
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void ERROR_clear()
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{
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if (_lock)
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{
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#if DEBUG_ERROR
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ERROR_debug("ERROR_clear: (%p) *LOCKED*\n", ERROR_current);
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#endif
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return;
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}
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#if DEBUG_ERROR
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fprintf(stderr, "ERROR_clear: (%p)\n", ERROR_current);
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#endif
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ERROR_reset(&ERROR_current->info);
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}
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#if 0
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void ERROR_enter(ERROR_CONTEXT *err)
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{
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err->prev = ERROR_current;
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err->info.code = 0;
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//err->info.free = FALSE;
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//err->info.msg = NULL;
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//err->info.backtrace = NULL;
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ERROR_current = err;
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#if DEBUG_ERROR
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fprintf(stderr, "ERROR_enter: (%p)\n", ERROR_current);
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fprintf(stderr, ">> ERROR_enter");
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{
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ERROR_CONTEXT *e = err;
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while (e)
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{
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fprintf(stderr, " -> %p", e);
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e = e->prev;
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}
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fprintf(stderr, "\n");
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}
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#endif
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}
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#endif
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#if 0
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void ERROR_leave(ERROR_CONTEXT *err)
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{
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if (err->prev == ERROR_LEAVE_DONE)
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return;
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#if DEBUG_ERROR
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fprintf(stderr, "<< ERROR_leave");
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{
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ERROR_CONTEXT *e = err;
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while (e)
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{
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fprintf(stderr, " -> %p", e);
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e = e->prev;
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}
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fprintf(stderr, " : %d %s\n", err->info.code, err->info.msg);
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}
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#endif
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//if (!err->prev)
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// BREAKPOINT();
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ERROR_current = err->prev;
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if (ERROR_current)
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{
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#if DEBUG_ERROR
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fprintf(stderr, "ERROR_leave: (%p)\n", ERROR_current);
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#endif
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if (err->info.code)
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{
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ERROR_reset(&ERROR_current->info);
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ERROR_current->info = err->info;
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}
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}
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else
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ERROR_reset(&err->info);
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err->prev = ERROR_LEAVE_DONE;
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//ERROR_reset(err);
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}
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#endif
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void ERROR_propagate()
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{
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ERROR_HANDLER *ph;
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#if DEBUG_ERROR
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ERROR_debug("ERROR_propagate: %p %d %s (ret = %d)\n", ERROR_current, ERROR_current->info.code, ERROR_current->info.msg, ERROR_current->ret);
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#endif
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//fprintf(stderr, "ERROR_propagate: %p\n", ERROR_handler);
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if (ERROR_in_catch(ERROR_current))
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ERROR_leave(ERROR_current);
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while (ERROR_handler)
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{
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ph = ERROR_handler;
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if (ERROR_current && ERROR_current->handler == ph)
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break;
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//fprintf(stderr, "ERROR_propagate: %p @ %p (%p)\n", ERROR_handler, ERROR_handler->context, ERROR_current);
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ERROR_handler = ph->prev;
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(*ph->handler)();
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}
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longjmp(ERROR_current->env, 1);
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}
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const char *ERROR_get(void)
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{
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/*
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if (code > 0 && code < 256)
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return strerror(code);
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else
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return ERROR_Message[code - 256];
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*/
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return strerror(errno);
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}
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static int get_message_length(const char *pattern, char *arg[], int narg)
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{
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int len;
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int i;
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len = strlen(pattern) + narg;
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for (i = 0; i < narg; i++)
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len += strlen(arg[i]);
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if (!EXEC_debug)
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len -= narg * 3;
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return len;
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}
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void ERROR_define(const char *pattern, char *arg[])
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{
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uchar c;
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char *msg = NULL;
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int len;
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int narg = 0;
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ERROR_clear();
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if ((intptr_t)pattern >= 0 && (intptr_t)pattern < 256)
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{
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ERROR_current->info.code = (int)(intptr_t)pattern;
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pattern = _message[(int)(intptr_t)pattern];
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if (*pattern == '.')
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{
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narg = pattern[1] - '0';
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pattern += 2;
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}
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}
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else if ((intptr_t)pattern == E_ABORT)
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{
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ERROR_current->info.code = E_ABORT;
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pattern = "";
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}
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else
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{
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ERROR_current->info.code = E_CUSTOM;
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if (arg)
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{
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msg = (char *)pattern;
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for (;;)
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{
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c = *msg++;
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if (c == 0)
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break;
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if (c == '&')
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{
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c = *msg++;
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if (c >= '1' && c <= '4')
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{
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c -= '0';
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if (c > narg)
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narg = c;
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}
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}
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}
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}
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}
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if (narg)
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{
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len = get_message_length(pattern, arg, narg);
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if (len)
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{
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msg = STRING_new(NULL, len);
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ERROR_current->info.msg = msg;
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ERROR_current->info.free = TRUE;
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if (EXEC_debug)
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{
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int i;
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strcpy(msg, pattern);
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msg += strlen(pattern);
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for (i = 0; i < narg; i++)
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{
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*msg++ = '|';
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if (arg[i])
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{
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strcpy(msg, arg[i]);
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msg += strlen(arg[i]);
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}
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}
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}
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else
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{
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for (;;)
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{
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c = *pattern++;
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if (c == 0)
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break;
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if (c == '&')
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{
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c = *pattern++;
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if (c >= '1' && c <= '4')
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{
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c -= '1';
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if (arg[c])
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{
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len = strlen(arg[c]);
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memcpy(msg, arg[c], len);
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msg += len;
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}
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}
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}
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else
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*msg++ = c;
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}
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*msg = 0;
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}
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}
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}
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else if (ERROR_current->info.code == E_CUSTOM)
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{
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if (pattern && *pattern)
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{
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ERROR_current->info.msg = STRING_new_zero(pattern);
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ERROR_current->info.free = TRUE;
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}
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else
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{
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ERROR_current->info.msg = (char *)_message[E_UNKNOWN];
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ERROR_current->info.free = FALSE;
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}
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}
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else
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{
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ERROR_current->info.msg = (char *)pattern;
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ERROR_current->info.free = FALSE;
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}
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//fprintf(stderr, "ERROR_define: %p %d '%s'\n", ERROR_current, ERROR_current->info.code, ERROR_current->info.msg);
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//STRING_add_char(&ERROR_current->info.msg, 0);
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ERROR_current->info.cp = CP;
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ERROR_current->info.fp = FP;
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ERROR_current->info.pc = PC;
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ERROR_current->info.bt_count = STACK_frame_count;
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#if DEBUG_ERROR
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ERROR_debug("ERROR_define: %s\n", ERROR_current->info.msg);
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#endif
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}
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void THROW(int code, ...)
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{
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va_list args;
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int i;
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char *arg[4];
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va_start(args, code);
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for (i = 0; i < 4; i++)
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arg[i] = va_arg(args, char *);
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ERROR_define((char *)(intptr_t)code, arg);
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PROPAGATE();
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}
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void THROW_ILLEGAL()
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{
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THROW(E_ILLEGAL);
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}
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void THROW_SYSTEM(int err, const char *path)
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{
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char buf[6];
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switch(err)
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{
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case ENOENT:
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THROW(E_NEXIST, path);
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case EISDIR:
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THROW(E_DIR, path);
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case ENOTDIR:
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THROW(E_NDIR, path);
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case ENOMEM:
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THROW(E_MEMORY);
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case EACCES:
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THROW(E_ACCESS);
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case ENAMETOOLONG:
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THROW(E_TOOLONG);
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case ENOSPC:
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THROW(E_FULL);
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case EEXIST:
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THROW(E_EXIST, path);
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default:
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sprintf(buf, "%d", err);
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THROW(E_SYSTEM, buf, strerror(err));
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}
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}
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void ERROR_panic(const char *error, ...)
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{
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va_list args;
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va_start(args, error);
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fflush(NULL);
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fprintf(stderr, "\n** INTERNAL ERROR **\n** ");
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vfprintf(stderr, error, args);
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putc('\n', stderr);
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if (ERROR_current->info.code)
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{
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ERROR_print();
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}
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fprintf(stderr, "** Program aborting. Sorry! :-(\n");
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/*abort();*/
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_exit(1);
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}
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void ERROR_print_at(FILE *where, bool msgonly, bool newline)
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{
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if (!ERROR_current->info.code)
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return;
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if (!msgonly)
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{
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if (ERROR_current->info.cp && ERROR_current->info.fp && ERROR_current->info.pc)
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fprintf(where, "%s: ", DEBUG_get_position(ERROR_current->info.cp, ERROR_current->info.fp, ERROR_current->info.pc));
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else
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fprintf(where, "ERROR: ");
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/*if (ERROR_current->info.code > 0 && ERROR_current->info.code < 256)
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fprintf(where, "%ld:", ERROR_current->info.code);*/
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if (ERROR_current->info.code > 0)
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fprintf(where, "#%d: ", ERROR_current->info.code);
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if (ERROR_current->info.msg)
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fprintf(where, "%s", ERROR_current->info.msg);
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}
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else
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{
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char *p = ERROR_current->info.msg;
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unsigned char c;
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if (p)
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{
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while ((c = *p++))
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{
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if (c < ' ') c = ' ';
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fputc(c, where);
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}
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}
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}
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if (newline)
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fputc('\n', where);
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}
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void ERROR_print(void)
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{
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static bool lock = FALSE;
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ERROR_print_at(stderr, FALSE, TRUE);
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|
|
//if (ERROR_backtrace)
|
|
DEBUG_print_backtrace(&ERROR_current->info);
|
|
|
|
if (EXEC_main_hook_done && !EXEC_debug && EXEC_Hook.error && !lock)
|
|
{
|
|
lock = TRUE;
|
|
GAMBAS_DoNotRaiseEvent = TRUE;
|
|
HOOK(error)(ERROR_current->info.code, ERROR_current->info.msg, DEBUG_get_position(ERROR_current->info.cp, ERROR_current->info.fp, ERROR_current->info.pc));
|
|
lock = FALSE;
|
|
}
|
|
}
|
|
|
|
void ERROR_save(ERROR_INFO *save)
|
|
{
|
|
ERROR_reset(save);
|
|
*save = ERROR_current->info;
|
|
CLEAR(&ERROR_current->info);
|
|
//ERROR_reset(&ERROR_current->info);
|
|
}
|
|
|
|
void ERROR_restore(ERROR_INFO *save)
|
|
{
|
|
ERROR_reset(&ERROR_current->info);
|
|
ERROR_current->info = *save;
|
|
CLEAR(save);
|
|
//ERROR_reset(save);
|
|
}
|
|
|
|
void ERROR_set_last(void)
|
|
{
|
|
ERROR_reset(&ERROR_last);
|
|
ERROR_last = ERROR_current->info;
|
|
if (ERROR_last.free)
|
|
STRING_ref(ERROR_last.msg);
|
|
}
|
|
|
|
void ERROR_warning(const char *warning, ...)
|
|
{
|
|
va_list args;
|
|
|
|
va_start(args, warning);
|
|
|
|
fflush(NULL);
|
|
|
|
fprintf(stderr, "gbx" GAMBAS_VERSION_STRING ": warning: ");
|
|
vfprintf(stderr, warning, args);
|
|
putc('\n', stderr);
|
|
}
|
|
|
|
void ERROR_deprecated(const char *msg)
|
|
{
|
|
ERROR_warning("%s: %s is deprecated.", DEBUG_get_current_position(), msg);
|
|
}
|
|
|