xref: /illumos-gate/usr/src/cmd/acpi/iasl/aslerror.c (revision 35786f6866ae52207d0f1a25fe7ca5f652f32ce0)
1 /******************************************************************************
2  *
3  * Module Name: aslerror - Error handling and statistics
4  *
5  *****************************************************************************/
6 
7 /******************************************************************************
8  *
9  * 1. Copyright Notice
10  *
11  * Some or all of this work - Copyright (c) 1999 - 2018, Intel Corp.
12  * All rights reserved.
13  *
14  * 2. License
15  *
16  * 2.1. This is your license from Intel Corp. under its intellectual property
17  * rights. You may have additional license terms from the party that provided
18  * you this software, covering your right to use that party's intellectual
19  * property rights.
20  *
21  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22  * copy of the source code appearing in this file ("Covered Code") an
23  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24  * base code distributed originally by Intel ("Original Intel Code") to copy,
25  * make derivatives, distribute, use and display any portion of the Covered
26  * Code in any form, with the right to sublicense such rights; and
27  *
28  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29  * license (with the right to sublicense), under only those claims of Intel
30  * patents that are infringed by the Original Intel Code, to make, use, sell,
31  * offer to sell, and import the Covered Code and derivative works thereof
32  * solely to the minimum extent necessary to exercise the above copyright
33  * license, and in no event shall the patent license extend to any additions
34  * to or modifications of the Original Intel Code. No other license or right
35  * is granted directly or by implication, estoppel or otherwise;
36  *
37  * The above copyright and patent license is granted only if the following
38  * conditions are met:
39  *
40  * 3. Conditions
41  *
42  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43  * Redistribution of source code of any substantial portion of the Covered
44  * Code or modification with rights to further distribute source must include
45  * the above Copyright Notice, the above License, this list of Conditions,
46  * and the following Disclaimer and Export Compliance provision. In addition,
47  * Licensee must cause all Covered Code to which Licensee contributes to
48  * contain a file documenting the changes Licensee made to create that Covered
49  * Code and the date of any change. Licensee must include in that file the
50  * documentation of any changes made by any predecessor Licensee. Licensee
51  * must include a prominent statement that the modification is derived,
52  * directly or indirectly, from Original Intel Code.
53  *
54  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55  * Redistribution of source code of any substantial portion of the Covered
56  * Code or modification without rights to further distribute source must
57  * include the following Disclaimer and Export Compliance provision in the
58  * documentation and/or other materials provided with distribution. In
59  * addition, Licensee may not authorize further sublicense of source of any
60  * portion of the Covered Code, and must include terms to the effect that the
61  * license from Licensee to its licensee is limited to the intellectual
62  * property embodied in the software Licensee provides to its licensee, and
63  * not to intellectual property embodied in modifications its licensee may
64  * make.
65  *
66  * 3.3. Redistribution of Executable. Redistribution in executable form of any
67  * substantial portion of the Covered Code or modification must reproduce the
68  * above Copyright Notice, and the following Disclaimer and Export Compliance
69  * provision in the documentation and/or other materials provided with the
70  * distribution.
71  *
72  * 3.4. Intel retains all right, title, and interest in and to the Original
73  * Intel Code.
74  *
75  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76  * Intel shall be used in advertising or otherwise to promote the sale, use or
77  * other dealings in products derived from or relating to the Covered Code
78  * without prior written authorization from Intel.
79  *
80  * 4. Disclaimer and Export Compliance
81  *
82  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83  * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85  * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86  * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
88  * PARTICULAR PURPOSE.
89  *
90  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
97  * LIMITED REMEDY.
98  *
99  * 4.3. Licensee shall not export, either directly or indirectly, any of this
100  * software or system incorporating such software without first obtaining any
101  * required license or other approval from the U. S. Department of Commerce or
102  * any other agency or department of the United States Government. In the
103  * event Licensee exports any such software from the United States or
104  * re-exports any such software from a foreign destination, Licensee shall
105  * ensure that the distribution and export/re-export of the software is in
106  * compliance with all laws, regulations, orders, or other restrictions of the
107  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108  * any of its subsidiaries will export/re-export any technical data, process,
109  * software, or service, directly or indirectly, to any country for which the
110  * United States government or any agency thereof requires an export license,
111  * other governmental approval, or letter of assurance, without first obtaining
112  * such license, approval or letter.
113  *
114  *****************************************************************************
115  *
116  * Alternatively, you may choose to be licensed under the terms of the
117  * following license:
118  *
119  * Redistribution and use in source and binary forms, with or without
120  * modification, are permitted provided that the following conditions
121  * are met:
122  * 1. Redistributions of source code must retain the above copyright
123  *    notice, this list of conditions, and the following disclaimer,
124  *    without modification.
125  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
126  *    substantially similar to the "NO WARRANTY" disclaimer below
127  *    ("Disclaimer") and any redistribution must be conditioned upon
128  *    including a substantially similar Disclaimer requirement for further
129  *    binary redistribution.
130  * 3. Neither the names of the above-listed copyright holders nor the names
131  *    of any contributors may be used to endorse or promote products derived
132  *    from this software without specific prior written permission.
133  *
134  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
135  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
137  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
145  *
146  * Alternatively, you may choose to be licensed under the terms of the
147  * GNU General Public License ("GPL") version 2 as published by the Free
148  * Software Foundation.
149  *
150  *****************************************************************************/
151 
152 #include "aslcompiler.h"
153 
154 #define _COMPONENT          ACPI_COMPILER
155         ACPI_MODULE_NAME    ("aslerror")
156 
157 /* Local prototypes */
158 
159 static void
160 AeAddToErrorLog (
161     ASL_ERROR_MSG           *Enode);
162 
163 static BOOLEAN
164 AslIsExceptionExpected (
165     UINT8                   Level,
166     UINT16                  MessageId);
167 
168 static BOOLEAN
169 AslIsExceptionDisabled (
170     UINT8                   Level,
171     UINT16                  MessageId);
172 
173 static void AslInitEnode (
174     ASL_ERROR_MSG           **Enode,
175     UINT8                   Level,
176     UINT16                  MessageId,
177     UINT32                  LineNumber,
178     UINT32                  LogicalLineNumber,
179     UINT32                  LogicalByteOffset,
180     UINT32                  Column,
181     char                    *Filename,
182     char                    *Message,
183     char                    *SourceLine,
184     ASL_ERROR_MSG           *SubError);
185 
186 static void
187 AslLogNewError (
188     UINT8                   Level,
189     UINT16                  MessageId,
190     UINT32                  LineNumber,
191     UINT32                  LogicalLineNumber,
192     UINT32                  LogicalByteOffset,
193     UINT32                  Column,
194     char                    *Filename,
195     char                    *Message,
196     char                    *SourceLine,
197     ASL_ERROR_MSG           *SubError);
198 
199 static void
200 AePrintSubError (
201     FILE                    *OutputFile,
202     ASL_ERROR_MSG           *Enode);
203 
204 
205 /*******************************************************************************
206  *
207  * FUNCTION:    AslAbort
208  *
209  * PARAMETERS:  None
210  *
211  * RETURN:      None
212  *
213  * DESCRIPTION: Dump the error log and abort the compiler. Used for serious
214  *              I/O errors.
215  *
216  ******************************************************************************/
217 
218 void
AslAbort(void)219 AslAbort (
220     void)
221 {
222 
223     AePrintErrorLog (ASL_FILE_STDERR);
224     if (Gbl_DebugFlag)
225     {
226         /* Print error summary to stdout also */
227 
228         AePrintErrorLog (ASL_FILE_STDOUT);
229     }
230 
231     exit (1);
232 }
233 
234 
235 /*******************************************************************************
236  *
237  * FUNCTION:    AeClearErrorLog
238  *
239  * PARAMETERS:  None
240  *
241  * RETURN:      None
242  *
243  * DESCRIPTION: Empty the error list
244  *
245  ******************************************************************************/
246 
247 void
AeClearErrorLog(void)248 AeClearErrorLog (
249     void)
250 {
251     ASL_ERROR_MSG           *Enode = Gbl_ErrorLog;
252     ASL_ERROR_MSG           *Next;
253 
254 
255     /* Walk the error node list */
256 
257     while (Enode)
258     {
259         Next = Enode->Next;
260         ACPI_FREE (Enode);
261         Enode = Next;
262     }
263 
264     Gbl_ErrorLog = NULL;
265 }
266 
267 
268 /*******************************************************************************
269  *
270  * FUNCTION:    AeAddToErrorLog
271  *
272  * PARAMETERS:  Enode       - An error node to add to the log
273  *
274  * RETURN:      None
275  *
276  * DESCRIPTION: Add a new error node to the error log. The error log is
277  *              ordered by the "logical" line number (cumulative line number
278  *              including all include files.)
279  *
280  ******************************************************************************/
281 
282 static void
AeAddToErrorLog(ASL_ERROR_MSG * Enode)283 AeAddToErrorLog (
284     ASL_ERROR_MSG           *Enode)
285 {
286     ASL_ERROR_MSG           *Next;
287     ASL_ERROR_MSG           *Prev;
288 
289 
290     /* If Gbl_ErrorLog is null, this is the first error node */
291 
292     if (!Gbl_ErrorLog)
293     {
294         Gbl_ErrorLog = Enode;
295         return;
296     }
297 
298     /*
299      * Walk error list until we find a line number greater than ours.
300      * List is sorted according to line number.
301      */
302     Prev = NULL;
303     Next = Gbl_ErrorLog;
304 
305     while ((Next) && (Next->LogicalLineNumber <= Enode->LogicalLineNumber))
306     {
307         Prev = Next;
308         Next = Next->Next;
309     }
310 
311     /* Found our place in the list */
312 
313     Enode->Next = Next;
314 
315     if (Prev)
316     {
317         Prev->Next = Enode;
318     }
319     else
320     {
321         Gbl_ErrorLog = Enode;
322     }
323 }
324 
325 
326 /*******************************************************************************
327  *
328  * FUNCTION:    AeDecodeErrorMessageId
329  *
330  * PARAMETERS:  OutputFile      - Output file
331  *              Enode           - Error node to print
332  *              PrematureEOF    - True = PrematureEOF has been reached
333  *              Total           - Total legth of line
334  *
335  * RETURN:      None
336  *
337  * DESCRIPTION: Print the source line of an error.
338  *
339  ******************************************************************************/
340 
341 static void
AeDecodeErrorMessageId(FILE * OutputFile,ASL_ERROR_MSG * Enode,BOOLEAN PrematureEOF,UINT32 Total)342 AeDecodeErrorMessageId (
343     FILE                    *OutputFile,
344     ASL_ERROR_MSG           *Enode,
345     BOOLEAN                 PrematureEOF,
346     UINT32                  Total)
347 {
348     UINT32                  MsgLength;
349     const char              *MainMessage;
350     char                    *ExtraMessage;
351     UINT32                  SourceColumn;
352     UINT32                  ErrorColumn;
353 
354 
355     fprintf (OutputFile, "%s %4.4d -",
356         AeDecodeExceptionLevel (Enode->Level),
357         AeBuildFullExceptionCode (Enode->Level, Enode->MessageId));
358 
359     MainMessage = AeDecodeMessageId (Enode->MessageId);
360     ExtraMessage = Enode->Message;
361 
362     /* If a NULL line number, just print the decoded message */
363 
364     if (!Enode->LineNumber)
365     {
366         fprintf (OutputFile, " %s %s\n\n", MainMessage, ExtraMessage);
367         return;
368     }
369 
370     MsgLength = strlen (MainMessage);
371     if (MsgLength == 0)
372     {
373         /* Use the secondary/extra message as main message */
374 
375         MainMessage = Enode->Message;
376         if (!MainMessage)
377         {
378             MainMessage = "";
379         }
380 
381         MsgLength = strlen (MainMessage);
382         ExtraMessage = NULL;
383     }
384 
385     if (Gbl_VerboseErrors && !PrematureEOF)
386     {
387         if (Total >= 256)
388         {
389             fprintf (OutputFile, "    %s",
390                 MainMessage);
391         }
392         else
393         {
394             SourceColumn = Enode->Column + Enode->FilenameLength + 6 + 2;
395             ErrorColumn = ASL_ERROR_LEVEL_LENGTH + 5 + 2 + 1;
396 
397             if ((MsgLength + ErrorColumn) < (SourceColumn - 1))
398             {
399                 fprintf (OutputFile, "%*s%s",
400                     (int) ((SourceColumn - 1) - ErrorColumn),
401                     MainMessage, " ^ ");
402             }
403             else
404             {
405                 fprintf (OutputFile, "%*s %s",
406                     (int) ((SourceColumn - ErrorColumn) + 1), "^",
407                     MainMessage);
408             }
409         }
410     }
411     else
412     {
413         fprintf (OutputFile, " %s", MainMessage);
414     }
415 
416     /* Print the extra info message if present */
417 
418     if (ExtraMessage)
419     {
420         fprintf (OutputFile, " (%s)", ExtraMessage);
421     }
422 
423     if (PrematureEOF)
424     {
425         fprintf (OutputFile, " and premature End-Of-File");
426     }
427 
428     fprintf (OutputFile, "\n");
429     if (Gbl_VerboseErrors && !Enode->SubError)
430     {
431         fprintf (OutputFile, "\n");
432     }
433 }
434 
435 
436 /*******************************************************************************
437  *
438  * FUNCTION:    AePrintErrorSourceLine
439  *
440  * PARAMETERS:  OutputFile      - Output file
441  *              Enode           - Error node to print
442  *              PrematureEOF    - True = PrematureEOF has been reached
443  *              Total           - amount of characters printed so far
444  *
445  *
446  * RETURN:      Status
447  *
448  * DESCRIPTION: Print the source line of an error.
449  *
450  ******************************************************************************/
451 
452 static ACPI_STATUS
AePrintErrorSourceLine(FILE * OutputFile,ASL_ERROR_MSG * Enode,BOOLEAN * PrematureEOF,UINT32 * Total)453 AePrintErrorSourceLine (
454     FILE                    *OutputFile,
455     ASL_ERROR_MSG           *Enode,
456     BOOLEAN                 *PrematureEOF,
457     UINT32                  *Total)
458 {
459     UINT8                   SourceByte;
460     int                     Actual;
461     size_t                  RActual;
462     FILE                    *SourceFile = NULL;
463     long                    FileSize;
464 
465 
466     if (!Enode->SourceLine)
467     {
468         /*
469          * Use the merged header/source file if present, otherwise
470          * use input file
471          */
472         SourceFile = Gbl_Files[ASL_FILE_SOURCE_OUTPUT].Handle;
473         if (!SourceFile)
474         {
475             SourceFile = Gbl_Files[ASL_FILE_INPUT].Handle;
476         }
477 
478         if (SourceFile)
479         {
480             /* Determine if the error occurred at source file EOF */
481 
482             fseek (SourceFile, 0, SEEK_END);
483             FileSize = ftell (SourceFile);
484 
485             if ((long) Enode->LogicalByteOffset >= FileSize)
486             {
487                 *PrematureEOF = TRUE;
488             }
489         }
490         else
491         {
492             fprintf (OutputFile,
493                 "[*** iASL: Source File Does not exist ***]\n");
494             return AE_IO_ERROR;
495         }
496     }
497 
498     /* Print filename and line number if present and valid */
499 
500     if (Gbl_VerboseErrors)
501     {
502         fprintf (OutputFile, "%-8s", Enode->Filename);
503 
504         if (Enode->SourceLine && Enode->LineNumber)
505         {
506             fprintf (OutputFile, " %6u: %s",
507                 Enode->LineNumber, Enode->SourceLine);
508         }
509         else if (Enode->LineNumber)
510         {
511             fprintf (OutputFile, " %6u: ", Enode->LineNumber);
512 
513             /*
514              * If not at EOF, get the corresponding source code line
515              * and display it. Don't attempt this if we have a
516              * premature EOF condition.
517              */
518             if (*PrematureEOF)
519             {
520                 fprintf (OutputFile, "\n");
521                 return AE_OK;
522             }
523             /*
524              * Seek to the offset in the combined source file,
525              * read the source line, and write it to the output.
526              */
527             Actual = fseek (SourceFile,
528                 (long) Enode->LogicalByteOffset, (int) SEEK_SET);
529             if (Actual)
530             {
531                 fprintf (OutputFile,
532                     "[*** iASL: Seek error on source code temp file %s ***]",
533                     Gbl_Files[ASL_FILE_SOURCE_OUTPUT].Filename);
534 
535                 fprintf (OutputFile, "\n");
536                 return AE_OK;
537             }
538             RActual = fread (&SourceByte, 1, 1, SourceFile);
539             if (RActual != 1)
540             {
541                 fprintf (OutputFile,
542                     "[*** iASL: Read error on source code temp file %s ***]",
543                     Gbl_Files[ASL_FILE_SOURCE_OUTPUT].Filename);
544                 return AE_IO_ERROR;
545             }
546                 /* Read/write the source line, up to the maximum line length */
547 
548             while (RActual && SourceByte && (SourceByte != '\n'))
549             {
550                 if (*Total < 256)
551                 {
552                     /* After the max line length, we will just read the line, no write */
553 
554                     if (fwrite (&SourceByte, 1, 1, OutputFile) != 1)
555                     {
556                         printf ("[*** iASL: Write error on output file ***]\n");
557                         return AE_IO_ERROR;
558                     }
559                 }
560                 else if (*Total == 256)
561                 {
562                     fprintf (OutputFile,
563                         "\n[*** iASL: Very long input line, message below refers to column %u ***]",
564                         Enode->Column);
565                 }
566 
567                 RActual = fread (&SourceByte, 1, 1, SourceFile);
568                 if (RActual != 1)
569                 {
570                     fprintf (OutputFile,
571                         "[*** iASL: Read error on source code temp file %s ***]",
572                         Gbl_Files[ASL_FILE_SOURCE_OUTPUT].Filename);
573 
574                     return AE_IO_ERROR;
575                 }
576                 *Total += 1;
577             }
578 
579             fprintf (OutputFile, "\n");
580         }
581     }
582     else
583     {
584         /*
585          * Less verbose version of the error message, enabled via the
586          * -vi switch. The format is compatible with MS Visual Studio.
587          */
588         fprintf (OutputFile, "%s", Enode->Filename);
589 
590         if (Enode->LineNumber)
591         {
592             fprintf (OutputFile, "(%u) : ",
593                 Enode->LineNumber);
594         }
595     }
596 
597     return AE_OK;
598 }
599 
600 /*******************************************************************************
601  *
602  * FUNCTION:    AePrintException
603  *
604  * PARAMETERS:  FileId          - ID of output file
605  *              Enode           - Error node to print
606  *              Header          - Additional text before each message
607  *
608  * RETURN:      None
609  *
610  * DESCRIPTION: Print the contents of an error node.
611  *
612  * NOTE:        We don't use the FlxxxFile I/O functions here because on error
613  *              they abort the compiler and call this function!  Since we
614  *              are reporting errors here, we ignore most output errors and
615  *              just try to get out as much as we can.
616  *
617  ******************************************************************************/
618 
619 void
AePrintException(UINT32 FileId,ASL_ERROR_MSG * Enode,char * Header)620 AePrintException (
621     UINT32                  FileId,
622     ASL_ERROR_MSG           *Enode,
623     char                    *Header)
624 {
625     FILE                    *OutputFile;
626     BOOLEAN                 PrematureEOF = FALSE;
627     UINT32                  Total = 0;
628     ACPI_STATUS             Status;
629     ASL_ERROR_MSG           *Child = Enode->SubError;
630 
631 
632     if (Gbl_NoErrors)
633     {
634         return;
635     }
636 
637     /*
638      * Only listing files have a header, and remarks/optimizations
639      * are always output
640      */
641     if (!Header)
642     {
643         /* Ignore remarks if requested */
644 
645         switch (Enode->Level)
646         {
647         case ASL_WARNING:
648         case ASL_WARNING2:
649         case ASL_WARNING3:
650 
651             if (!Gbl_DisplayWarnings)
652             {
653                 return;
654             }
655             break;
656 
657         case ASL_REMARK:
658 
659             if (!Gbl_DisplayRemarks)
660             {
661                 return;
662             }
663             break;
664 
665         case ASL_OPTIMIZATION:
666 
667             if (!Gbl_DisplayOptimizations)
668             {
669                 return;
670             }
671             break;
672 
673         default:
674 
675             break;
676         }
677     }
678 
679     /* Get the various required file handles */
680 
681     OutputFile = Gbl_Files[FileId].Handle;
682 
683     if (Header)
684     {
685         fprintf (OutputFile, "%s", Header);
686     }
687 
688     if (!Enode->Filename)
689     {
690         AeDecodeErrorMessageId (OutputFile, Enode, PrematureEOF, Total);
691         return;
692     }
693 
694     Status = AePrintErrorSourceLine (OutputFile, Enode, &PrematureEOF, &Total);
695     if (ACPI_FAILURE (Status))
696     {
697         return;
698     }
699 
700     /* If a NULL message ID, just print the raw message */
701 
702     if (Enode->MessageId == 0)
703     {
704         fprintf (OutputFile, "%s\n", Enode->Message);
705         return;
706     }
707 
708     AeDecodeErrorMessageId (OutputFile, Enode, PrematureEOF, Total);
709 
710     while (Child)
711     {
712         fprintf (OutputFile, "\n");
713         AePrintSubError (OutputFile, Child);
714         Child = Child->SubError;
715     }
716 }
717 
718 
719 /*******************************************************************************
720  *
721  * FUNCTION:    AePrintSubError
722  *
723  * PARAMETERS:  OutputFile      - Output file
724  *              Enode           - Error node to print
725  *
726  * RETURN:      None
727  *
728  * DESCRIPTION: Print the contents of an error nodes. This function is tailored
729  *              to print error nodes that are SubErrors within ASL_ERROR_MSG
730  *
731  ******************************************************************************/
732 
733 static void
AePrintSubError(FILE * OutputFile,ASL_ERROR_MSG * Enode)734 AePrintSubError (
735     FILE                    *OutputFile,
736     ASL_ERROR_MSG           *Enode)
737 {
738     UINT32                  Total = 0;
739     BOOLEAN                 PrematureEOF = FALSE;
740     const char              *MainMessage;
741 
742 
743     MainMessage = AeDecodeMessageId (Enode->MessageId);
744 
745     fprintf (OutputFile, "    %s%s", MainMessage, "\n    ");
746     (void) AePrintErrorSourceLine (OutputFile, Enode, &PrematureEOF, &Total);
747     fprintf (OutputFile, "\n");
748 }
749 
750 
751 /*******************************************************************************
752  *
753  * FUNCTION:    AePrintErrorLog
754  *
755  * PARAMETERS:  FileId           - Where to output the error log
756  *
757  * RETURN:      None
758  *
759  * DESCRIPTION: Print the entire contents of the error log
760  *
761  ******************************************************************************/
762 
763 void
AePrintErrorLog(UINT32 FileId)764 AePrintErrorLog (
765     UINT32                  FileId)
766 {
767     ASL_ERROR_MSG           *Enode = Gbl_ErrorLog;
768 
769 
770     /* Walk the error node list */
771 
772     while (Enode)
773     {
774         AePrintException (FileId, Enode, NULL);
775         Enode = Enode->Next;
776     }
777 }
778 
779 
780 /*******************************************************************************
781  *
782  * FUNCTION:    AslInitEnode
783  *
784  * PARAMETERS:  InputEnode          - Input Error node to initialize
785  *              Level               - Seriousness (Warning/error, etc.)
786  *              MessageId           - Index into global message buffer
787  *              CurrentLineNumber   - Actual file line number
788  *              LogicalLineNumber   - Cumulative line number
789  *              LogicalByteOffset   - Byte offset in source file
790  *              Column              - Column in current line
791  *              Filename            - source filename
792  *              ExtraMessage        - additional error message
793  *              SourceLine          - Line of error source code
794  *              SubError            - SubError of this InputEnode
795  *
796  * RETURN:      None
797  *
798  * DESCRIPTION: Initialize an Error node
799  *
800  ******************************************************************************/
801 
AslInitEnode(ASL_ERROR_MSG ** InputEnode,UINT8 Level,UINT16 MessageId,UINT32 LineNumber,UINT32 LogicalLineNumber,UINT32 LogicalByteOffset,UINT32 Column,char * Filename,char * ExtraMessage,char * SourceLine,ASL_ERROR_MSG * SubError)802 static void AslInitEnode (
803     ASL_ERROR_MSG           **InputEnode,
804     UINT8                   Level,
805     UINT16                  MessageId,
806     UINT32                  LineNumber,
807     UINT32                  LogicalLineNumber,
808     UINT32                  LogicalByteOffset,
809     UINT32                  Column,
810     char                    *Filename,
811     char                    *ExtraMessage,
812     char                    *SourceLine,
813     ASL_ERROR_MSG           *SubError)
814 {
815     ASL_ERROR_MSG           *Enode;
816 
817 
818     *InputEnode = UtLocalCalloc (sizeof (ASL_ERROR_MSG));
819     Enode = *InputEnode;
820     Enode->Level                = Level;
821     Enode->MessageId            = MessageId;
822     Enode->LineNumber           = LineNumber;
823     Enode->LogicalLineNumber    = LogicalLineNumber;
824     Enode->LogicalByteOffset    = LogicalByteOffset;
825     Enode->Column               = Column;
826     Enode->SubError             = SubError;
827     Enode->Message              = NULL;
828     Enode->SourceLine           = NULL;
829     Enode->Filename             = NULL;
830 
831     if (ExtraMessage)
832     {
833         /* Allocate a buffer for the message and a new error node */
834 
835         Enode->Message = UtLocalCacheCalloc (strlen (ExtraMessage) + 1);
836 
837         /* Keep a copy of the extra message */
838 
839         strcpy (Enode->Message, ExtraMessage);
840     }
841 
842     if (SourceLine)
843     {
844         Enode->SourceLine = UtLocalCalloc (strlen (SourceLine) + 1);
845         strcpy (Enode->SourceLine, SourceLine);
846     }
847 
848 
849     if (Filename)
850     {
851         Enode->Filename = Filename;
852         Enode->FilenameLength = strlen (Filename);
853         if (Enode->FilenameLength < 6)
854         {
855             Enode->FilenameLength = 6;
856         }
857     }
858 }
859 
860 
861 /*******************************************************************************
862  *
863  * FUNCTION:    AslCommonError2
864  *
865  * PARAMETERS:  Level               - Seriousness (Warning/error, etc.)
866  *              MessageId           - Index into global message buffer
867  *              LineNumber          - Actual file line number
868  *              Column              - Column in current line
869  *              SourceLine          - Actual source code line
870  *              Filename            - source filename
871  *              ExtraMessage        - additional error message
872  *
873  * RETURN:      None
874  *
875  * DESCRIPTION: Create a new error node and add it to the error log
876  *
877  ******************************************************************************/
878 
879 void
AslCommonError2(UINT8 Level,UINT16 MessageId,UINT32 LineNumber,UINT32 Column,char * SourceLine,char * Filename,char * ExtraMessage)880 AslCommonError2 (
881     UINT8                   Level,
882     UINT16                  MessageId,
883     UINT32                  LineNumber,
884     UINT32                  Column,
885     char                    *SourceLine,
886     char                    *Filename,
887     char                    *ExtraMessage)
888 {
889     AslLogNewError (Level, MessageId, LineNumber, LineNumber, 0, Column,
890         Filename, ExtraMessage, SourceLine, NULL);
891 }
892 
893 
894 /*******************************************************************************
895  *
896  * FUNCTION:    AslCommonError
897  *
898  * PARAMETERS:  Level               - Seriousness (Warning/error, etc.)
899  *              MessageId           - Index into global message buffer
900  *              CurrentLineNumber   - Actual file line number
901  *              LogicalLineNumber   - Cumulative line number
902  *              LogicalByteOffset   - Byte offset in source file
903  *              Column              - Column in current line
904  *              Filename            - source filename
905  *              ExtraMessage        - additional error message
906  *
907  * RETURN:      None
908  *
909  * DESCRIPTION: Create a new error node and add it to the error log
910  *
911  ******************************************************************************/
912 
913 void
AslCommonError(UINT8 Level,UINT16 MessageId,UINT32 CurrentLineNumber,UINT32 LogicalLineNumber,UINT32 LogicalByteOffset,UINT32 Column,char * Filename,char * ExtraMessage)914 AslCommonError (
915     UINT8                   Level,
916     UINT16                  MessageId,
917     UINT32                  CurrentLineNumber,
918     UINT32                  LogicalLineNumber,
919     UINT32                  LogicalByteOffset,
920     UINT32                  Column,
921     char                    *Filename,
922     char                    *ExtraMessage)
923 {
924     /* Check if user wants to ignore this exception */
925 
926     if (AslIsExceptionIgnored (Level, MessageId))
927     {
928         return;
929     }
930 
931     AslLogNewError (Level, MessageId, CurrentLineNumber, LogicalLineNumber,
932         LogicalByteOffset, Column, Filename, ExtraMessage,
933         NULL, NULL);
934 }
935 
936 
937 /*******************************************************************************
938  *
939  * FUNCTION:    AslLogNewError
940  *
941  * PARAMETERS:  Level               - Seriousness (Warning/error, etc.)
942  *              MessageId           - Index into global message buffer
943  *              CurrentLineNumber   - Actual file line number
944  *              LogicalLineNumber   - Cumulative line number
945  *              LogicalByteOffset   - Byte offset in source file
946  *              Column              - Column in current line
947  *              Filename            - source filename
948  *              Message             - additional error message
949  *              SourceLine          - Actual line of source code
950  *              SubError            - Sub-error associated with this error
951  *
952  * RETURN:      None
953  *
954  * DESCRIPTION: Create a new error node and add it to the error log
955  *
956  ******************************************************************************/
957 static void
AslLogNewError(UINT8 Level,UINT16 MessageId,UINT32 LineNumber,UINT32 LogicalLineNumber,UINT32 LogicalByteOffset,UINT32 Column,char * Filename,char * Message,char * SourceLine,ASL_ERROR_MSG * SubError)958 AslLogNewError (
959     UINT8                   Level,
960     UINT16                  MessageId,
961     UINT32                  LineNumber,
962     UINT32                  LogicalLineNumber,
963     UINT32                  LogicalByteOffset,
964     UINT32                  Column,
965     char                    *Filename,
966     char                    *Message,
967     char                    *SourceLine,
968     ASL_ERROR_MSG           *SubError)
969 {
970     ASL_ERROR_MSG           *Enode = NULL;
971 
972 
973     AslInitEnode (&Enode, Level, MessageId, LineNumber, LogicalLineNumber,
974         LogicalByteOffset, Column, Filename, Message, SourceLine,
975         SubError);
976 
977     /* Add the new node to the error node list */
978 
979     AeAddToErrorLog (Enode);
980 
981     if (Gbl_DebugFlag)
982     {
983         /* stderr is a file, send error to it immediately */
984 
985         AePrintException (ASL_FILE_STDERR, Enode, NULL);
986     }
987 
988     Gbl_ExceptionCount[Level]++;
989     if (Gbl_ExceptionCount[ASL_ERROR] > ASL_MAX_ERROR_COUNT)
990     {
991         printf ("\nMaximum error count (%u) exceeded\n", ASL_MAX_ERROR_COUNT);
992 
993         Gbl_SourceLine = 0;
994         Gbl_NextError = Gbl_ErrorLog;
995         CmCleanupAndExit ();
996         exit(1);
997     }
998 
999     return;
1000 }
1001 
1002 /*******************************************************************************
1003  *
1004  * FUNCTION:    AslIsExceptionIgnored
1005  *
1006  * PARAMETERS:  Level           - Seriousness (Warning/error, etc.)
1007  *              MessageId       - Index into global message buffer
1008  *
1009  * RETURN:      BOOLEAN
1010  *
1011  * DESCRIPTION: Check if a particular exception is ignored. In this case it
1012  *              means that the exception is (expected or disabled.
1013  *
1014  ******************************************************************************/
1015 
1016 BOOLEAN
AslIsExceptionIgnored(UINT8 Level,UINT16 MessageId)1017 AslIsExceptionIgnored (
1018     UINT8                   Level,
1019     UINT16                  MessageId)
1020 {
1021     BOOLEAN                 ExceptionIgnored;
1022 
1023 
1024     /* Note: this allows exception to be disabled and expected */
1025 
1026     ExceptionIgnored = AslIsExceptionDisabled (Level, MessageId);
1027     ExceptionIgnored |= AslIsExceptionExpected (Level, MessageId);
1028 
1029     return (Gbl_AllExceptionsDisabled || ExceptionIgnored);
1030 }
1031 
1032 
1033 /*******************************************************************************
1034  *
1035  * FUNCTION:    AslCheckExpectException
1036  *
1037  * PARAMETERS:  none
1038  *
1039  * RETURN:      none
1040  *
1041  * DESCRIPTION: Check the global expected messages table and raise an error
1042  *              for each message that has not been received.
1043  *
1044  ******************************************************************************/
1045 
1046 void
AslCheckExpectedExceptions(void)1047 AslCheckExpectedExceptions (
1048     void)
1049 {
1050     UINT8                   i;
1051 
1052 
1053     for (i = 0; i < Gbl_ExpectedMessagesIndex; ++i)
1054     {
1055         if (!Gbl_ExpectedMessages[i].MessageReceived)
1056         {
1057             AslError (ASL_ERROR, ASL_MSG_EXCEPTION_NOT_RECEIVED, NULL,
1058                 Gbl_ExpectedMessages[i].MessageIdStr);
1059         }
1060     }
1061 }
1062 
1063 
1064 /*******************************************************************************
1065  *
1066  * FUNCTION:    AslExpectException
1067  *
1068  * PARAMETERS:  MessageIdString     - ID of excepted exception during compile
1069  *
1070  * RETURN:      Status
1071  *
1072  * DESCRIPTION: Enter a message ID into the global expected messages table
1073  *              If these messages are not raised during the compilation, throw
1074  *              an error.
1075  *
1076  ******************************************************************************/
1077 
1078 ACPI_STATUS
AslExpectException(char * MessageIdString)1079 AslExpectException (
1080     char                    *MessageIdString)
1081 {
1082     UINT32                  MessageId;
1083 
1084 
1085     /* Convert argument to an integer and validate it */
1086 
1087     MessageId = (UINT32) strtoul (MessageIdString, NULL, 0);
1088 
1089     if (MessageId > 6999)
1090     {
1091         printf ("\"%s\" is not a valid warning/remark/erro ID\n",
1092             MessageIdString);
1093         return (AE_BAD_PARAMETER);
1094     }
1095 
1096     /* Insert value into the global expected message array */
1097 
1098     if (Gbl_ExpectedMessagesIndex >= ASL_MAX_EXPECTED_MESSAGES)
1099     {
1100         printf ("Too many messages have been registered as expected (max %u)\n",
1101             ASL_MAX_DISABLED_MESSAGES);
1102         return (AE_LIMIT);
1103     }
1104 
1105     Gbl_ExpectedMessages[Gbl_ExpectedMessagesIndex].MessageId = MessageId;
1106     Gbl_ExpectedMessages[Gbl_ExpectedMessagesIndex].MessageIdStr = MessageIdString;
1107     Gbl_ExpectedMessages[Gbl_ExpectedMessagesIndex].MessageReceived = FALSE;
1108     Gbl_ExpectedMessagesIndex++;
1109     return (AE_OK);
1110 }
1111 
1112 
1113 /*******************************************************************************
1114  *
1115  * FUNCTION:    AslDisableException
1116  *
1117  * PARAMETERS:  MessageIdString     - ID to be disabled
1118  *
1119  * RETURN:      Status
1120  *
1121  * DESCRIPTION: Enter a message ID into the global disabled messages table
1122  *
1123  ******************************************************************************/
1124 
1125 ACPI_STATUS
AslDisableException(char * MessageIdString)1126 AslDisableException (
1127     char                    *MessageIdString)
1128 {
1129     UINT32                  MessageId;
1130 
1131 
1132     /* Convert argument to an integer and validate it */
1133 
1134     MessageId = (UINT32) strtoul (MessageIdString, NULL, 0);
1135 
1136     if ((MessageId < 2000) || (MessageId > 6999))
1137     {
1138         printf ("\"%s\" is not a valid warning/remark/error ID\n",
1139             MessageIdString);
1140         return (AE_BAD_PARAMETER);
1141     }
1142 
1143     /* Insert value into the global disabled message array */
1144 
1145     if (Gbl_DisabledMessagesIndex >= ASL_MAX_DISABLED_MESSAGES)
1146     {
1147         printf ("Too many messages have been disabled (max %u)\n",
1148             ASL_MAX_DISABLED_MESSAGES);
1149         return (AE_LIMIT);
1150     }
1151 
1152     Gbl_DisabledMessages[Gbl_DisabledMessagesIndex] = MessageId;
1153     Gbl_DisabledMessagesIndex++;
1154     return (AE_OK);
1155 }
1156 
1157 
1158 /*******************************************************************************
1159  *
1160  * FUNCTION:    AslIsExceptionDisabled
1161  *
1162  * PARAMETERS:  Level           - Seriousness (Warning/error, etc.)
1163  *              MessageId       - Index into global message buffer
1164  *
1165  * RETURN:      TRUE if exception/message should be ignored
1166  *
1167  * DESCRIPTION: Check if the user has specified options such that this
1168  *              exception should be ignored
1169  *
1170  ******************************************************************************/
1171 
1172 static BOOLEAN
AslIsExceptionExpected(UINT8 Level,UINT16 MessageId)1173 AslIsExceptionExpected (
1174     UINT8                   Level,
1175     UINT16                  MessageId)
1176 {
1177     UINT32                  EncodedMessageId;
1178     UINT32                  i;
1179 
1180 
1181     /* Mark this exception as received */
1182 
1183     EncodedMessageId = AeBuildFullExceptionCode (Level, MessageId);
1184     for (i = 0; i < Gbl_ExpectedMessagesIndex; i++)
1185     {
1186         /* Simple implementation via fixed array */
1187 
1188         if (EncodedMessageId == Gbl_ExpectedMessages[i].MessageId)
1189         {
1190             return (Gbl_ExpectedMessages[i].MessageReceived = TRUE);
1191         }
1192     }
1193 
1194     return (FALSE);
1195 }
1196 
1197 
1198 /*******************************************************************************
1199  *
1200  * FUNCTION:    AslIsExceptionDisabled
1201  *
1202  * PARAMETERS:  Level               - Seriousness (Warning/error, etc.)
1203  *              MessageId           - Index into global message buffer
1204  *
1205  * RETURN:      TRUE if exception/message should be ignored
1206  *
1207  * DESCRIPTION: Check if the user has specified options such that this
1208  *              exception should be ignored
1209  *
1210  ******************************************************************************/
1211 
1212 static BOOLEAN
AslIsExceptionDisabled(UINT8 Level,UINT16 MessageId)1213 AslIsExceptionDisabled (
1214     UINT8                   Level,
1215     UINT16                  MessageId)
1216 {
1217     UINT32                  EncodedMessageId;
1218     UINT32                  i;
1219 
1220 
1221     switch (Level)
1222     {
1223     case ASL_WARNING2:
1224     case ASL_WARNING3:
1225 
1226         /* Check for global disable via -w1/-w2/-w3 options */
1227 
1228         if (Level > Gbl_WarningLevel)
1229         {
1230             return (TRUE);
1231         }
1232         /* Fall through */
1233 
1234     case ASL_WARNING:
1235     case ASL_REMARK:
1236     case ASL_ERROR:
1237         /*
1238          * Ignore this error/warning/remark if it has been disabled by
1239          * the user (-vw option)
1240          */
1241         EncodedMessageId = AeBuildFullExceptionCode (Level, MessageId);
1242         for (i = 0; i < Gbl_DisabledMessagesIndex; i++)
1243         {
1244             /* Simple implementation via fixed array */
1245 
1246             if (EncodedMessageId == Gbl_DisabledMessages[i])
1247             {
1248                 return (TRUE);
1249             }
1250         }
1251         break;
1252 
1253     default:
1254         break;
1255     }
1256 
1257     return (FALSE);
1258 }
1259 
1260 
1261 /*******************************************************************************
1262  *
1263  * FUNCTION:    AslDualParseOpError
1264  *
1265  * PARAMETERS:  Level           - Seriousness (Warning/error, etc.)
1266  *              MainMsgId       - Index into global message buffer
1267  *              MainOp          - Parse node where error happened
1268  *              MainMsg         - Message pertaining to the MainOp
1269  *              SubMsgId        - Index into global message buffer
1270  *              SubOp           - Additional parse node for better message
1271  *              SubMsg          - Message pertainint to SubOp
1272  *
1273  *
1274  * RETURN:      None
1275  *
1276  * DESCRIPTION: Main error reporting routine for the ASL compiler for error
1277  *              messages that point to multiple parse objects.
1278  *
1279  ******************************************************************************/
1280 
1281 void
AslDualParseOpError(UINT8 Level,UINT16 MainMsgId,ACPI_PARSE_OBJECT * MainOp,char * MainMsg,UINT16 SubMsgId,ACPI_PARSE_OBJECT * SubOp,char * SubMsg)1282 AslDualParseOpError (
1283     UINT8                   Level,
1284     UINT16                  MainMsgId,
1285     ACPI_PARSE_OBJECT       *MainOp,
1286     char                    *MainMsg,
1287     UINT16                  SubMsgId,
1288     ACPI_PARSE_OBJECT       *SubOp,
1289     char                    *SubMsg)
1290 {
1291     ASL_ERROR_MSG           *SubEnode = NULL;
1292 
1293 
1294     /* Check if user wants to ignore this exception */
1295 
1296     if (AslIsExceptionIgnored (Level, MainMsgId) || !MainOp)
1297     {
1298         return;
1299     }
1300 
1301     if (SubOp)
1302     {
1303         AslInitEnode (&SubEnode, Level, SubMsgId, SubOp->Asl.LineNumber,
1304             SubOp->Asl.LogicalLineNumber, SubOp->Asl.LogicalByteOffset,
1305             SubOp->Asl.Column, SubOp->Asl.Filename, SubMsg,
1306             NULL, NULL);
1307     }
1308 
1309     AslLogNewError (Level, MainMsgId, MainOp->Asl.LineNumber,
1310         MainOp->Asl.LogicalLineNumber, MainOp->Asl.LogicalByteOffset,
1311         MainOp->Asl.Column, MainOp->Asl.Filename, MainMsg,
1312         NULL, SubEnode);
1313 }
1314 
1315 
1316 /*******************************************************************************
1317  *
1318  * FUNCTION:    AslError
1319  *
1320  * PARAMETERS:  Level               - Seriousness (Warning/error, etc.)
1321  *              MessageId           - Index into global message buffer
1322  *              Op                  - Parse node where error happened
1323  *              ExtraMessage        - additional error message
1324  *
1325  * RETURN:      None
1326  *
1327  * DESCRIPTION: Main error reporting routine for the ASL compiler (all code
1328  *              except the parser.)
1329  *
1330  ******************************************************************************/
1331 
1332 void
AslError(UINT8 Level,UINT16 MessageId,ACPI_PARSE_OBJECT * Op,char * ExtraMessage)1333 AslError (
1334     UINT8                   Level,
1335     UINT16                  MessageId,
1336     ACPI_PARSE_OBJECT       *Op,
1337     char                    *ExtraMessage)
1338 {
1339     if (Op)
1340     {
1341         AslCommonError (Level, MessageId, Op->Asl.LineNumber,
1342             Op->Asl.LogicalLineNumber,
1343             Op->Asl.LogicalByteOffset,
1344             Op->Asl.Column,
1345             Op->Asl.Filename, ExtraMessage);
1346     }
1347     else
1348     {
1349         AslCommonError (Level, MessageId, 0,
1350             0, 0, 0, NULL, ExtraMessage);
1351     }
1352 }
1353 
1354 
1355 /*******************************************************************************
1356  *
1357  * FUNCTION:    AslCoreSubsystemError
1358  *
1359  * PARAMETERS:  Op                  - Parse node where error happened
1360  *              Status              - The ACPICA Exception
1361  *              ExtraMessage        - additional error message
1362  *              Abort               - TRUE -> Abort compilation
1363  *
1364  * RETURN:      None
1365  *
1366  * DESCRIPTION: Error reporting routine for exceptions returned by the ACPICA
1367  *              core subsystem.
1368  *
1369  ******************************************************************************/
1370 
1371 void
AslCoreSubsystemError(ACPI_PARSE_OBJECT * Op,ACPI_STATUS Status,char * ExtraMessage,BOOLEAN Abort)1372 AslCoreSubsystemError (
1373     ACPI_PARSE_OBJECT       *Op,
1374     ACPI_STATUS             Status,
1375     char                    *ExtraMessage,
1376     BOOLEAN                 Abort)
1377 {
1378 
1379     sprintf (MsgBuffer, "%s %s", AcpiFormatException (Status), ExtraMessage);
1380 
1381     if (Op)
1382     {
1383         AslCommonError (ASL_ERROR, ASL_MSG_CORE_EXCEPTION,
1384             Op->Asl.LineNumber,
1385             Op->Asl.LogicalLineNumber,
1386             Op->Asl.LogicalByteOffset,
1387             Op->Asl.Column,
1388             Op->Asl.Filename, MsgBuffer);
1389     }
1390     else
1391     {
1392         AslCommonError (ASL_ERROR, ASL_MSG_CORE_EXCEPTION,
1393             0, 0, 0, 0, NULL, MsgBuffer);
1394     }
1395 
1396     if (Abort)
1397     {
1398         AslAbort ();
1399     }
1400 }
1401 
1402 
1403 /*******************************************************************************
1404  *
1405  * FUNCTION:    AslCompilererror
1406  *
1407  * PARAMETERS:  CompilerMessage         - Error message from the parser
1408  *
1409  * RETURN:      Status (0 for now)
1410  *
1411  * DESCRIPTION: Report an error situation discovered in a production
1412  *              NOTE: don't change the name of this function, it is called
1413  *              from the auto-generated parser.
1414  *
1415  ******************************************************************************/
1416 
1417 int
AslCompilererror(const char * CompilerMessage)1418 AslCompilererror (
1419     const char              *CompilerMessage)
1420 {
1421 
1422     Gbl_SyntaxError++;
1423 
1424     AslCommonError (ASL_ERROR, ASL_MSG_SYNTAX, Gbl_CurrentLineNumber,
1425         Gbl_LogicalLineNumber, Gbl_CurrentLineOffset,
1426         Gbl_CurrentColumn, Gbl_Files[ASL_FILE_INPUT].Filename,
1427         ACPI_CAST_PTR (char, CompilerMessage));
1428 
1429     return (0);
1430 }
1431