xref: /freebsd/sys/contrib/dev/acpica/compiler/aslerror.c (revision ae41709ab46305df80f7f35bb478a3c8ebf22ebb)
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 - 2020, 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 <contrib/dev/acpica/compiler/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     char                    *Filename,
166     UINT32                  LineNumber,
167     UINT8                   Level,
168     UINT16                  MessageId);
169 
170 static BOOLEAN
171 AslIsExceptionDisabled (
172     UINT8                   Level,
173     UINT16                  MessageId);
174 
175 static void
176 AslInitEnode (
177     ASL_ERROR_MSG           **Enode,
178     UINT8                   Level,
179     UINT16                  MessageId,
180     UINT32                  LineNumber,
181     UINT32                  LogicalLineNumber,
182     UINT32                  LogicalByteOffset,
183     UINT32                  Column,
184     char                    *Filename,
185     char                    *Message,
186     char                    *SourceLine,
187     ASL_ERROR_MSG           *SubError);
188 
189 static void
190 AslLogNewError (
191     UINT8                   Level,
192     UINT16                  MessageId,
193     UINT32                  LineNumber,
194     UINT32                  LogicalLineNumber,
195     UINT32                  LogicalByteOffset,
196     UINT32                  Column,
197     char                    *Filename,
198     char                    *Message,
199     char                    *SourceLine,
200     ASL_ERROR_MSG           *SubError);
201 
202 static void
203 AePrintSubError (
204     FILE                    *OutputFile,
205     ASL_ERROR_MSG           *Enode);
206 
207 static UINT8
208 GetModifiedLevel (
209     UINT8                   Level,
210     UINT16                  MessageId);
211 
212 
213 /*******************************************************************************
214  *
215  * FUNCTION:    AslAbort
216  *
217  * PARAMETERS:  None
218  *
219  * RETURN:      None
220  *
221  * DESCRIPTION: Dump the error log and abort the compiler. Used for serious
222  *              I/O errors.
223  *
224  ******************************************************************************/
225 
226 void
227 AslAbort (
228     void)
229 {
230 
231     AePrintErrorLog (ASL_FILE_STDERR);
232     if (AslGbl_DebugFlag)
233     {
234         /* Print error summary to stdout also */
235 
236         AePrintErrorLog (ASL_FILE_STDOUT);
237     }
238 
239     exit (1);
240 }
241 
242 
243 /*******************************************************************************
244  *
245  * FUNCTION:    AeClearErrorLog
246  *
247  * PARAMETERS:  None
248  *
249  * RETURN:      None
250  *
251  * DESCRIPTION: Empty the error list
252  *
253  ******************************************************************************/
254 
255 void
256 AeClearErrorLog (
257     void)
258 {
259     ASL_ERROR_MSG           *Enode = AslGbl_ErrorLog;
260     ASL_ERROR_MSG           *Next;
261 
262 
263     /* Walk the error node list */
264 
265     while (Enode)
266     {
267         Next = Enode->Next;
268         ACPI_FREE (Enode);
269         Enode = Next;
270     }
271 
272    AslGbl_ErrorLog = NULL;
273 }
274 
275 
276 /*******************************************************************************
277  *
278  * FUNCTION:    AeAddToErrorLog
279  *
280  * PARAMETERS:  Enode       - An error node to add to the log
281  *
282  * RETURN:      None
283  *
284  * DESCRIPTION: Add a new error node to the error log. The error log is
285  *              ordered by the "logical" line number (cumulative line number
286  *              including all include files.)
287  *
288  ******************************************************************************/
289 
290 static void
291 AeAddToErrorLog (
292     ASL_ERROR_MSG           *Enode)
293 {
294     ASL_ERROR_MSG           *Next;
295     ASL_ERROR_MSG           *Prev;
296 
297 
298     /* If Gbl_ErrorLog is null, this is the first error node */
299 
300     if (!AslGbl_ErrorLog)
301     {
302         AslGbl_ErrorLog = Enode;
303         return;
304     }
305 
306     /*
307      * Walk error list until we find a line number greater than ours.
308      * List is sorted according to line number.
309      */
310     Prev = NULL;
311     Next = AslGbl_ErrorLog;
312 
313     while ((Next) && (Next->LogicalLineNumber <= Enode->LogicalLineNumber))
314     {
315         Prev = Next;
316         Next = Next->Next;
317     }
318 
319     /* Found our place in the list */
320 
321     Enode->Next = Next;
322 
323     if (Prev)
324     {
325         Prev->Next = Enode;
326     }
327     else
328     {
329         AslGbl_ErrorLog = Enode;
330     }
331 }
332 
333 
334 /*******************************************************************************
335  *
336  * FUNCTION:    AeDecodeErrorMessageId
337  *
338  * PARAMETERS:  OutputFile      - Output file
339  *              Enode           - Error node to print
340  *              PrematureEOF    - True = PrematureEOF has been reached
341  *              Total           - Total length of line
342  *
343  * RETURN:      None
344  *
345  * DESCRIPTION: Print the source line of an error.
346  *
347  ******************************************************************************/
348 
349 static void
350 AeDecodeErrorMessageId (
351     FILE                    *OutputFile,
352     ASL_ERROR_MSG           *Enode,
353     BOOLEAN                 PrematureEOF,
354     UINT32                  Total)
355 {
356     UINT32                  MsgLength;
357     const char              *MainMessage;
358     char                    *ExtraMessage;
359     UINT32                  SourceColumn;
360     UINT32                  ErrorColumn;
361 
362 
363     fprintf (OutputFile, "%s %4.4d -",
364         AeDecodeExceptionLevel (Enode->Level),
365         AeBuildFullExceptionCode (Enode->Level, Enode->MessageId));
366 
367     MainMessage = AeDecodeMessageId (Enode->MessageId);
368     ExtraMessage = Enode->Message;
369 
370     /* If a NULL line number, just print the decoded message */
371 
372     if (!Enode->LineNumber)
373     {
374         fprintf (OutputFile, " %s %s\n\n", MainMessage, ExtraMessage);
375         return;
376     }
377 
378     MsgLength = strlen (MainMessage);
379     if (MsgLength == 0)
380     {
381         /* Use the secondary/extra message as main message */
382 
383         MainMessage = Enode->Message;
384         if (!MainMessage)
385         {
386             MainMessage = "";
387         }
388 
389         MsgLength = strlen (MainMessage);
390         ExtraMessage = NULL;
391     }
392 
393     if (AslGbl_VerboseErrors && !PrematureEOF)
394     {
395         if (Total >= 256)
396         {
397             fprintf (OutputFile, "    %s",
398                 MainMessage);
399         }
400         else
401         {
402             SourceColumn = Enode->Column + Enode->FilenameLength + 6 + 2;
403             ErrorColumn = ASL_ERROR_LEVEL_LENGTH + 5 + 2 + 1;
404 
405             if ((MsgLength + ErrorColumn) < (SourceColumn - 1))
406             {
407                 fprintf (OutputFile, "%*s%s",
408                     (int) ((SourceColumn - 1) - ErrorColumn),
409                     MainMessage, " ^ ");
410             }
411             else
412             {
413                 fprintf (OutputFile, "%*s %s",
414                     (int) ((SourceColumn - ErrorColumn) + 1), "^",
415                     MainMessage);
416             }
417         }
418     }
419     else
420     {
421         fprintf (OutputFile, " %s", MainMessage);
422     }
423 
424     /* Print the extra info message if present */
425 
426     if (ExtraMessage)
427     {
428         fprintf (OutputFile, " (%s)", ExtraMessage);
429     }
430 
431     if (PrematureEOF)
432     {
433         fprintf (OutputFile, " and premature End-Of-File");
434     }
435 
436     fprintf (OutputFile, "\n");
437     if (AslGbl_VerboseErrors && !Enode->SubError)
438     {
439         fprintf (OutputFile, "\n");
440     }
441 }
442 
443 
444 /*******************************************************************************
445  *
446  * FUNCTION:    AePrintErrorSourceLine
447  *
448  * PARAMETERS:  OutputFile      - Output file
449  *              Enode           - Error node to print
450  *              PrematureEOF    - True = PrematureEOF has been reached
451  *              Total           - Number of characters printed so far
452  *
453  *
454  * RETURN:      Status
455  *
456  * DESCRIPTION: Print the source line of an error.
457  *
458  ******************************************************************************/
459 
460 static ACPI_STATUS
461 AePrintErrorSourceLine (
462     FILE                    *OutputFile,
463     ASL_ERROR_MSG           *Enode,
464     BOOLEAN                 *PrematureEOF,
465     UINT32                  *Total)
466 {
467     UINT8                   SourceByte;
468     int                     Actual;
469     size_t                  RActual;
470     FILE                    *SourceFile = NULL;
471     long                    FileSize;
472 
473 
474     if (!Enode->SourceLine)
475     {
476         /*
477          * Use the merged header/source file if present, otherwise
478          * use input file
479          */
480         SourceFile = FlGetFileHandle (ASL_FILE_SOURCE_OUTPUT,
481             ASL_FILE_SOURCE_OUTPUT, Enode->SourceFilename);
482         if (!SourceFile)
483         {
484             SourceFile = FlGetFileHandle (ASL_FILE_INPUT,
485                 ASL_FILE_INPUT, Enode->Filename);
486         }
487 
488         if (SourceFile)
489         {
490             /* Determine if the error occurred at source file EOF */
491 
492             fseek (SourceFile, 0, SEEK_END);
493             FileSize = ftell (SourceFile);
494 
495             if ((long) Enode->LogicalByteOffset >= FileSize)
496             {
497                 *PrematureEOF = TRUE;
498             }
499         }
500         else
501         {
502             fprintf (OutputFile,
503                 "[*** iASL: Source File Does not exist ***]\n");
504             return AE_IO_ERROR;
505         }
506     }
507 
508     /* Print filename and line number if present and valid */
509 
510     if (AslGbl_VerboseErrors)
511     {
512         fprintf (OutputFile, "%-8s", Enode->Filename);
513 
514         if (Enode->SourceLine && Enode->LineNumber)
515         {
516             fprintf (OutputFile, " %6u: %s",
517                 Enode->LineNumber, Enode->SourceLine);
518         }
519         else if (Enode->LineNumber)
520         {
521             fprintf (OutputFile, " %6u: ", Enode->LineNumber);
522 
523             /*
524              * If not at EOF, get the corresponding source code line
525              * and display it. Don't attempt this if we have a
526              * premature EOF condition.
527              */
528             if (*PrematureEOF)
529             {
530                 fprintf (OutputFile, "\n");
531                 return AE_OK;
532             }
533 
534             /*
535              * Seek to the offset in the combined source file,
536              * read the source line, and write it to the output.
537              */
538             Actual = fseek (SourceFile,
539                 (long) Enode->LogicalByteOffset, (int) SEEK_SET);
540             if (Actual)
541             {
542                 fprintf (OutputFile,
543                     "[*** iASL: Seek error on source code temp file %s ***]",
544                     AslGbl_Files[ASL_FILE_SOURCE_OUTPUT].Filename);
545 
546                 fprintf (OutputFile, "\n");
547                 return AE_OK;
548             }
549             RActual = fread (&SourceByte, 1, 1, SourceFile);
550             if (RActual != 1)
551             {
552                 fprintf (OutputFile,
553                     "[*** iASL: Read error on source code temp file %s ***]",
554                     AslGbl_Files[ASL_FILE_SOURCE_OUTPUT].Filename);
555                 return AE_IO_ERROR;
556             }
557 
558             /* Read/write the source line, up to the maximum line length */
559 
560             while (RActual && SourceByte && (SourceByte != '\n'))
561             {
562                 if (*Total < 256)
563                 {
564                     /* After the max line length, we will just read the line, no write */
565 
566                     if (fwrite (&SourceByte, 1, 1, OutputFile) != 1)
567                     {
568                         printf ("[*** iASL: Write error on output file ***]\n");
569                         return AE_IO_ERROR;
570                     }
571                 }
572                 else if (*Total == 256)
573                 {
574                     fprintf (OutputFile,
575                         "\n[*** iASL: Very long input line, message below refers to column %u ***]",
576                         Enode->Column);
577                 }
578 
579                 RActual = fread (&SourceByte, 1, 1, SourceFile);
580                 if (RActual != 1)
581                 {
582                     fprintf (OutputFile,
583                         "[*** iASL: Read error on source code temp file %s ***]",
584                         AslGbl_Files[ASL_FILE_SOURCE_OUTPUT].Filename);
585 
586                     return AE_IO_ERROR;
587                 }
588                 *Total += 1;
589             }
590 
591             fprintf (OutputFile, "\n");
592         }
593     }
594     else
595     {
596         /*
597          * Less verbose version of the error message, enabled via the
598          * -vi switch. The format is compatible with MS Visual Studio.
599          */
600         fprintf (OutputFile, "%s", Enode->Filename);
601 
602         if (Enode->LineNumber)
603         {
604             fprintf (OutputFile, "(%u) : ",
605                 Enode->LineNumber);
606         }
607     }
608 
609     return AE_OK;
610 }
611 
612 /*******************************************************************************
613  *
614  * FUNCTION:    AePrintException
615  *
616  * PARAMETERS:  FileId          - ID of output file
617  *              Enode           - Error node to print
618  *              Header          - Additional text before each message
619  *
620  * RETURN:      None
621  *
622  * DESCRIPTION: Print the contents of an error node.
623  *
624  * NOTE:        We don't use the FlxxxFile I/O functions here because on error
625  *              they abort the compiler and call this function!  Since we
626  *              are reporting errors here, we ignore most output errors and
627  *              just try to get out as much as we can.
628  *
629  ******************************************************************************/
630 
631 void
632 AePrintException (
633     UINT32                  FileId,
634     ASL_ERROR_MSG           *Enode,
635     char                    *Header)
636 {
637     FILE                    *OutputFile;
638     BOOLEAN                 PrematureEOF = FALSE;
639     UINT32                  Total = 0;
640     ACPI_STATUS             Status;
641     ASL_ERROR_MSG           *Child = Enode->SubError;
642 
643 
644     if (AslGbl_NoErrors)
645     {
646         return;
647     }
648 
649     /*
650      * Only listing files have a header, and remarks/optimizations
651      * are always output
652      */
653     if (!Header)
654     {
655         /* Ignore remarks if requested */
656 
657         switch (Enode->Level)
658         {
659         case ASL_WARNING:
660         case ASL_WARNING2:
661         case ASL_WARNING3:
662 
663             if (!AslGbl_DisplayWarnings)
664             {
665                 return;
666             }
667             break;
668 
669         case ASL_REMARK:
670 
671             if (!AslGbl_DisplayRemarks)
672             {
673                 return;
674             }
675             break;
676 
677         case ASL_OPTIMIZATION:
678 
679             if (!AslGbl_DisplayOptimizations)
680             {
681                 return;
682             }
683             break;
684 
685         default:
686 
687             break;
688         }
689     }
690 
691     /* Get the various required file handles */
692 
693     OutputFile = AslGbl_Files[FileId].Handle;
694 
695     if (Header)
696     {
697         fprintf (OutputFile, "%s", Header);
698     }
699 
700     if (!Enode->Filename)
701     {
702         AeDecodeErrorMessageId (OutputFile, Enode, PrematureEOF, Total);
703         return;
704     }
705 
706     Status = AePrintErrorSourceLine (OutputFile, Enode, &PrematureEOF, &Total);
707     if (ACPI_FAILURE (Status))
708     {
709         return;
710     }
711 
712     /* If a NULL message ID, just print the raw message */
713 
714     if (Enode->MessageId == 0)
715     {
716         fprintf (OutputFile, "%s\n", Enode->Message);
717         return;
718     }
719 
720     AeDecodeErrorMessageId (OutputFile, Enode, PrematureEOF, Total);
721 
722     while (Child)
723     {
724         fprintf (OutputFile, "\n");
725         AePrintSubError (OutputFile, Child);
726         Child = Child->SubError;
727     }
728 }
729 
730 
731 /*******************************************************************************
732  *
733  * FUNCTION:    AePrintSubError
734  *
735  * PARAMETERS:  OutputFile      - Output file
736  *              Enode           - Error node to print
737  *
738  * RETURN:      None
739  *
740  * DESCRIPTION: Print the contents of an error node. This function is tailored
741  *              to print error nodes that are SubErrors within ASL_ERROR_MSG
742  *
743  ******************************************************************************/
744 
745 static void
746 AePrintSubError (
747     FILE                    *OutputFile,
748     ASL_ERROR_MSG           *Enode)
749 {
750     UINT32                  Total = 0;
751     BOOLEAN                 PrematureEOF = FALSE;
752     const char              *MainMessage;
753 
754 
755     MainMessage = AeDecodeMessageId (Enode->MessageId);
756 
757     fprintf (OutputFile, "    %s", MainMessage);
758 
759     if (Enode->Message)
760     {
761         fprintf (OutputFile, "(%s)", Enode->Message);
762     }
763 
764     fprintf (OutputFile, "\n    ");
765     (void) AePrintErrorSourceLine (OutputFile, Enode, &PrematureEOF, &Total);
766     fprintf (OutputFile, "\n");
767 }
768 
769 
770 /*******************************************************************************
771  *
772  * FUNCTION:    AePrintErrorLog
773  *
774  * PARAMETERS:  FileId           - Where to output the error log
775  *
776  * RETURN:      None
777  *
778  * DESCRIPTION: Print the entire contents of the error log
779  *
780  ******************************************************************************/
781 
782 void
783 AePrintErrorLog (
784     UINT32                  FileId)
785 {
786     ASL_ERROR_MSG           *Enode = AslGbl_ErrorLog;
787 
788 
789     /* Walk the error node list */
790 
791     while (Enode)
792     {
793         AePrintException (FileId, Enode, NULL);
794         Enode = Enode->Next;
795     }
796 }
797 
798 
799 /*******************************************************************************
800  *
801  * FUNCTION:    AslInitEnode
802  *
803  * PARAMETERS:  InputEnode          - Input Error node to initialize
804  *              Level               - Seriousness (Warning/error, etc.)
805  *              MessageId           - Index into global message buffer
806  *              CurrentLineNumber   - Actual file line number
807  *              LogicalLineNumber   - Cumulative line number
808  *              LogicalByteOffset   - Byte offset in source file
809  *              Column              - Column in current line
810  *              Filename            - Source filename
811  *              ExtraMessage        - Additional error message
812  *              SourceLine          - Line of error source code
813  *              SubError            - SubError of this InputEnode
814  *
815  * RETURN:      None
816  *
817  * DESCRIPTION: Initialize an Error node
818  *
819  ******************************************************************************/
820 
821 static void AslInitEnode (
822     ASL_ERROR_MSG           **InputEnode,
823     UINT8                   Level,
824     UINT16                  MessageId,
825     UINT32                  LineNumber,
826     UINT32                  LogicalLineNumber,
827     UINT32                  LogicalByteOffset,
828     UINT32                  Column,
829     char                    *Filename,
830     char                    *ExtraMessage,
831     char                    *SourceLine,
832     ASL_ERROR_MSG           *SubError)
833 {
834     ASL_ERROR_MSG           *Enode;
835     ASL_GLOBAL_FILE_NODE    *FileNode;
836 
837 
838     *InputEnode = UtLocalCalloc (sizeof (ASL_ERROR_MSG));
839     Enode = *InputEnode;
840     Enode->Level                = Level;
841     Enode->MessageId            = MessageId;
842     Enode->LineNumber           = LineNumber;
843     Enode->LogicalLineNumber    = LogicalLineNumber;
844     Enode->LogicalByteOffset    = LogicalByteOffset;
845     Enode->Column               = Column;
846     Enode->SubError             = SubError;
847     Enode->Message              = NULL;
848     Enode->SourceLine           = NULL;
849     Enode->Filename             = NULL;
850 
851     if (ExtraMessage)
852     {
853         /* Allocate a buffer for the message and a new error node */
854 
855         Enode->Message = UtLocalCacheCalloc (strlen (ExtraMessage) + 1);
856 
857         /* Keep a copy of the extra message */
858 
859         strcpy (Enode->Message, ExtraMessage);
860     }
861 
862     if (SourceLine)
863     {
864         Enode->SourceLine = UtLocalCalloc (strlen (SourceLine) + 1);
865         strcpy (Enode->SourceLine, SourceLine);
866     }
867 
868 
869     if (Filename)
870     {
871         Enode->Filename = Filename;
872         Enode->FilenameLength = strlen (Filename);
873         if (Enode->FilenameLength < 6)
874         {
875             Enode->FilenameLength = 6;
876         }
877 
878         /*
879          * Attempt to get the file node of the filename listed in the parse
880          * node. If the name doesn't exist in the global file node, it is
881          * because the file is included by #include or ASL include. In this
882          * case, get the current file node. The source output of the current
883          * file will contain the contents of the file listed in the parse node.
884          */
885         FileNode = FlGetFileNode (ASL_FILE_INPUT, Filename);
886         if (!FileNode)
887         {
888             FileNode = FlGetCurrentFileNode ();
889         }
890 
891         Enode->SourceFilename =
892             FileNode->Files[ASL_FILE_SOURCE_OUTPUT].Filename;
893     }
894 }
895 
896 
897 /*******************************************************************************
898  *
899  * FUNCTION:    AslCommonError2
900  *
901  * PARAMETERS:  Level               - Seriousness (Warning/error, etc.)
902  *              MessageId           - Index into global message buffer
903  *              LineNumber          - Actual file line number
904  *              Column              - Column in current line
905  *              SourceLine          - Actual source code line
906  *              Filename            - Source filename
907  *              ExtraMessage        - Additional error message
908  *
909  * RETURN:      None
910  *
911  * DESCRIPTION: Create a new error node and add it to the error log
912  *
913  ******************************************************************************/
914 
915 void
916 AslCommonError2 (
917     UINT8                   Level,
918     UINT16                  MessageId,
919     UINT32                  LineNumber,
920     UINT32                  Column,
921     char                    *SourceLine,
922     char                    *Filename,
923     char                    *ExtraMessage)
924 {
925     AslLogNewError (Level, MessageId, LineNumber, LineNumber, 0, Column,
926         Filename, ExtraMessage, SourceLine, NULL);
927 }
928 
929 
930 /*******************************************************************************
931  *
932  * FUNCTION:    AslCommonError
933  *
934  * PARAMETERS:  Level               - Seriousness (Warning/error, etc.)
935  *              MessageId           - Index into global message buffer
936  *              CurrentLineNumber   - Actual file line number
937  *              LogicalLineNumber   - Cumulative line number
938  *              LogicalByteOffset   - Byte offset in source file
939  *              Column              - Column in current line
940  *              Filename            - Source filename
941  *              ExtraMessage        - Additional error message
942  *
943  * RETURN:      None
944  *
945  * DESCRIPTION: Create a new error node and add it to the error log
946  *
947  ******************************************************************************/
948 
949 void
950 AslCommonError (
951     UINT8                   Level,
952     UINT16                  MessageId,
953     UINT32                  CurrentLineNumber,
954     UINT32                  LogicalLineNumber,
955     UINT32                  LogicalByteOffset,
956     UINT32                  Column,
957     char                    *Filename,
958     char                    *ExtraMessage)
959 {
960     /* Check if user wants to ignore this exception */
961 
962     if (AslIsExceptionIgnored (Filename, LogicalLineNumber, Level, MessageId))
963     {
964         return;
965     }
966 
967     AslLogNewError (Level, MessageId, CurrentLineNumber, LogicalLineNumber,
968         LogicalByteOffset, Column, Filename, ExtraMessage,
969         NULL, NULL);
970 }
971 
972 
973 /*******************************************************************************
974  *
975  * FUNCTION:    AslLogNewError
976  *
977  * PARAMETERS:  Level               - Seriousness (Warning/error, etc.)
978  *              MessageId           - Index into global message buffer
979  *              CurrentLineNumber   - Actual file line number
980  *              LogicalLineNumber   - Cumulative line number
981  *              LogicalByteOffset   - Byte offset in source file
982  *              Column              - Column in current line
983  *              Filename            - Source filename
984  *              Message             - Additional error message
985  *              SourceLine          - Actual line of source code
986  *              SubError            - Sub-error associated with this error
987  *
988  * RETURN:      None
989  *
990  * DESCRIPTION: Create a new error node and add it to the error log
991  *
992  ******************************************************************************/
993 static void
994 AslLogNewError (
995     UINT8                   Level,
996     UINT16                  MessageId,
997     UINT32                  LineNumber,
998     UINT32                  LogicalLineNumber,
999     UINT32                  LogicalByteOffset,
1000     UINT32                  Column,
1001     char                    *Filename,
1002     char                    *Message,
1003     char                    *SourceLine,
1004     ASL_ERROR_MSG           *SubError)
1005 {
1006     ASL_ERROR_MSG           *Enode = NULL;
1007     UINT8                   ModifiedLevel = GetModifiedLevel (Level, MessageId);
1008 
1009 
1010     AslInitEnode (&Enode, ModifiedLevel, MessageId, LineNumber,
1011         LogicalLineNumber, LogicalByteOffset, Column, Filename, Message,
1012         SourceLine, SubError);
1013 
1014     /* Add the new node to the error node list */
1015 
1016     AeAddToErrorLog (Enode);
1017 
1018     if (AslGbl_DebugFlag)
1019     {
1020         /* stderr is a file, send error to it immediately */
1021 
1022         AePrintException (ASL_FILE_STDERR, Enode, NULL);
1023     }
1024 
1025     AslGbl_ExceptionCount[ModifiedLevel]++;
1026     if (!AslGbl_IgnoreErrors && AslGbl_ExceptionCount[ASL_ERROR] > ASL_MAX_ERROR_COUNT)
1027     {
1028         printf ("\nMaximum error count (%u) exceeded\n", ASL_MAX_ERROR_COUNT);
1029 
1030         AslGbl_SourceLine = 0;
1031         AslGbl_NextError = AslGbl_ErrorLog;
1032         CmCleanupAndExit ();
1033         exit(1);
1034     }
1035 
1036     return;
1037 }
1038 
1039 
1040 /*******************************************************************************
1041  *
1042  * FUNCTION:    GetModifiedLevel
1043  *
1044  * PARAMETERS:  Level           - Seriousness (Warning/error, etc.)
1045  *              MessageId       - Index into global message buffer
1046  *
1047  * RETURN:      UINT8           - Modified level
1048  *
1049  * DESCRIPTION: Get the modified level of exception codes that are reported as
1050  *              errors from the -ww option.
1051  *
1052  ******************************************************************************/
1053 
1054 static UINT8
1055 GetModifiedLevel (
1056     UINT8                   Level,
1057     UINT16                  MessageId)
1058 {
1059     UINT32                  i;
1060     UINT16                  ExceptionCode;
1061 
1062 
1063     ExceptionCode = AeBuildFullExceptionCode (Level, MessageId);
1064 
1065     for (i = 0; i < AslGbl_ElevatedMessagesIndex; i++)
1066     {
1067         if (ExceptionCode == AslGbl_ElevatedMessages[i])
1068         {
1069             return (ASL_ERROR);
1070         }
1071     }
1072 
1073     return (Level);
1074 }
1075 
1076 
1077 /*******************************************************************************
1078  *
1079  * FUNCTION:    AslIsExceptionIgnored
1080  *
1081  * PARAMETERS:  Level           - Seriousness (Warning/error, etc.)
1082  *              MessageId       - Index into global message buffer
1083  *
1084  * RETURN:      BOOLEAN
1085  *
1086  * DESCRIPTION: Check if a particular exception is ignored. In this case it
1087  *              means that the exception is (expected or disabled.
1088  *
1089  ******************************************************************************/
1090 
1091 BOOLEAN
1092 AslIsExceptionIgnored (
1093     char                    *Filename,
1094     UINT32                  LineNumber,
1095     UINT8                   Level,
1096     UINT16                  MessageId)
1097 {
1098     BOOLEAN                 ExceptionIgnored;
1099 
1100 
1101     /* Note: this allows exception to be disabled and expected */
1102 
1103     ExceptionIgnored = AslIsExceptionDisabled (Level, MessageId);
1104     ExceptionIgnored |=
1105         AslIsExceptionExpected (Filename, LineNumber, Level, MessageId);
1106 
1107     return (AslGbl_AllExceptionsDisabled || ExceptionIgnored);
1108 }
1109 
1110 
1111 /*******************************************************************************
1112  *
1113  * FUNCTION:    AslCheckExpectedException
1114  *
1115  * PARAMETERS:  none
1116  *
1117  * RETURN:      none
1118  *
1119  * DESCRIPTION: Check the global expected messages table and raise an error
1120  *              for each message that has not been received.
1121  *
1122  ******************************************************************************/
1123 
1124 void
1125 AslCheckExpectedExceptions (
1126     void)
1127 {
1128     UINT8                   i;
1129     ASL_EXPECTED_MSG_NODE   *Current = AslGbl_ExpectedErrorCodeList;
1130     ASL_LOCATION_NODE       *LocationNode;
1131 
1132 
1133     for (i = 0; i < AslGbl_ExpectedMessagesIndex; ++i)
1134     {
1135         if (!AslGbl_ExpectedMessages[i].MessageReceived)
1136         {
1137             AslError (ASL_ERROR, ASL_MSG_EXCEPTION_NOT_RECEIVED, NULL,
1138                 AslGbl_ExpectedMessages[i].MessageIdStr);
1139         }
1140     }
1141 
1142     while (Current)
1143     {
1144         LocationNode = Current->LocationList;
1145 
1146         while (LocationNode)
1147         {
1148             if (!LocationNode->MessageReceived)
1149             {
1150                 AslCommonError (ASL_ERROR, ASL_MSG_EXCEPTION_NOT_RECEIVED,
1151                     LocationNode->LineNumber, LocationNode->LineNumber,
1152                     LocationNode->LogicalByteOffset, LocationNode->Column,
1153                     LocationNode->Filename, Current->MessageIdStr);
1154             }
1155 
1156             LocationNode = LocationNode->Next;
1157         }
1158 
1159         Current = Current->Next;
1160     }
1161 }
1162 
1163 
1164 /*******************************************************************************
1165  *
1166  * FUNCTION:    AslLogExpectedException
1167  *
1168  * PARAMETERS:  MessageIdString     - ID of excepted exception during compile
1169  *
1170  * RETURN:      Status
1171  *
1172  * DESCRIPTION: Enter a message ID into the global expected messages table
1173  *              If these messages are not raised during the compilation, throw
1174  *              an error.
1175  *
1176  ******************************************************************************/
1177 
1178 ACPI_STATUS
1179 AslLogExpectedException (
1180     char                    *MessageIdString)
1181 {
1182     UINT32                  MessageId;
1183 
1184 
1185     /* Convert argument to an integer and validate it */
1186 
1187     MessageId = (UINT32) strtoul (MessageIdString, NULL, 0);
1188 
1189     if (MessageId > 6999)
1190     {
1191         printf ("\"%s\" is not a valid warning/remark/erro ID\n",
1192             MessageIdString);
1193         return (AE_BAD_PARAMETER);
1194     }
1195 
1196     /* Insert value into the global expected message array */
1197 
1198     if (AslGbl_ExpectedMessagesIndex >= ASL_MAX_EXPECTED_MESSAGES)
1199     {
1200         printf ("Too many messages have been registered as expected (max %d)\n",
1201             ASL_MAX_DISABLED_MESSAGES);
1202         return (AE_LIMIT);
1203     }
1204 
1205     AslGbl_ExpectedMessages[AslGbl_ExpectedMessagesIndex].MessageId = MessageId;
1206     AslGbl_ExpectedMessages[AslGbl_ExpectedMessagesIndex].MessageIdStr = MessageIdString;
1207     AslGbl_ExpectedMessages[AslGbl_ExpectedMessagesIndex].MessageReceived = FALSE;
1208     AslGbl_ExpectedMessagesIndex++;
1209     return (AE_OK);
1210 }
1211 
1212 
1213 /*******************************************************************************
1214  *
1215  * FUNCTION:    AslLogExpectedExceptionByLine
1216  *
1217  * PARAMETERS:  MessageIdString     - ID of excepted exception during compile
1218  *
1219  * RETURN:      Status
1220  *
1221  * DESCRIPTION: Enter a message ID into the global expected messages table
1222  *              based on file and line number. If these messages are not raised
1223  *              during the compilation, throw an error.
1224  *
1225  ******************************************************************************/
1226 
1227 void
1228 AslLogExpectedExceptionByLine (
1229     char                    *MessageIdString)
1230 {
1231     ASL_LOCATION_NODE       *NewErrorLocationNode;
1232     ASL_EXPECTED_MSG_NODE   *Current = AslGbl_ExpectedErrorCodeList;
1233     UINT32                  MessageId;
1234 
1235 
1236     NewErrorLocationNode = UtLocalCalloc (sizeof (ASL_LOCATION_NODE));
1237 
1238     NewErrorLocationNode->LineNumber = AslGbl_CurrentLineNumber;
1239     NewErrorLocationNode->Filename = AslGbl_Files[ASL_FILE_INPUT].Filename;
1240     NewErrorLocationNode->LogicalByteOffset = AslGbl_CurrentLineOffset;
1241     NewErrorLocationNode->Column = AslGbl_CurrentColumn;
1242 
1243     MessageId = (UINT32) strtoul (MessageIdString, NULL, 0);
1244 
1245     /* search the existing list for a matching message ID */
1246 
1247     while (Current && Current->MessageId != MessageId )
1248     {
1249         Current = Current->Next;
1250     }
1251     if (!Current)
1252     {
1253         /* ID was not found, create a new node for this message ID */
1254 
1255         Current = UtLocalCalloc (sizeof (ASL_EXPECTED_MSG_NODE));
1256 
1257         Current->Next = AslGbl_ExpectedErrorCodeList;
1258         Current->MessageIdStr = MessageIdString;
1259         Current->MessageId = MessageId;
1260         AslGbl_ExpectedErrorCodeList = Current;
1261     }
1262 
1263     NewErrorLocationNode->Next = Current->LocationList;
1264     Current->LocationList = NewErrorLocationNode;
1265 }
1266 
1267 
1268 /*******************************************************************************
1269  *
1270  * FUNCTION:    AslDisableException
1271  *
1272  * PARAMETERS:  MessageIdString     - ID to be disabled
1273  *
1274  * RETURN:      Status
1275  *
1276  * DESCRIPTION: Enter a message ID into the global disabled messages table
1277  *
1278  ******************************************************************************/
1279 
1280 ACPI_STATUS
1281 AslDisableException (
1282     char                    *MessageIdString)
1283 {
1284     UINT32                  MessageId;
1285 
1286 
1287     /* Convert argument to an integer and validate it */
1288 
1289     MessageId = (UINT32) strtoul (MessageIdString, NULL, 0);
1290 
1291     if ((MessageId < 2000) || (MessageId > 6999))
1292     {
1293         printf ("\"%s\" is not a valid warning/remark/error ID\n",
1294             MessageIdString);
1295         return (AE_BAD_PARAMETER);
1296     }
1297 
1298     /* Insert value into the global disabled message array */
1299 
1300     if (AslGbl_DisabledMessagesIndex >= ASL_MAX_DISABLED_MESSAGES)
1301     {
1302         printf ("Too many messages have been disabled (max %d)\n",
1303             ASL_MAX_DISABLED_MESSAGES);
1304         return (AE_LIMIT);
1305     }
1306 
1307     AslGbl_DisabledMessages[AslGbl_DisabledMessagesIndex] = MessageId;
1308     AslGbl_DisabledMessagesIndex++;
1309     return (AE_OK);
1310 }
1311 
1312 
1313 /*******************************************************************************
1314  *
1315  * FUNCTION:    AslElevateException
1316  *
1317  * PARAMETERS:  MessageIdString     - ID of excepted exception during compile
1318  *
1319  * RETURN:      Status
1320  *
1321  * DESCRIPTION: Enter a message ID into the global elevated exceptions table.
1322  *              These messages will be considered as compilation errors.
1323  *
1324  ******************************************************************************/
1325 
1326 ACPI_STATUS
1327 AslElevateException (
1328     char                    *MessageIdString)
1329 {
1330     UINT32                  MessageId;
1331 
1332 
1333     /* Convert argument to an integer and validate it */
1334 
1335     MessageId = (UINT32) strtoul (MessageIdString, NULL, 0);
1336 
1337     if (MessageId > 6999)
1338     {
1339         printf ("\"%s\" is not a valid warning/remark/erro ID\n",
1340             MessageIdString);
1341         return (AE_BAD_PARAMETER);
1342     }
1343 
1344     /* Insert value into the global expected message array */
1345 
1346     if (AslGbl_ElevatedMessagesIndex >= ASL_MAX_ELEVATED_MESSAGES)
1347     {
1348         printf ("Too many messages have been registered as elevated (max %d)\n",
1349             ASL_MAX_DISABLED_MESSAGES);
1350         return (AE_LIMIT);
1351     }
1352 
1353     AslGbl_ElevatedMessages[AslGbl_ElevatedMessagesIndex] = MessageId;
1354     AslGbl_ElevatedMessagesIndex++;
1355     return (AE_OK);
1356 }
1357 
1358 
1359 /*******************************************************************************
1360  *
1361  * FUNCTION:    AslIsExceptionDisabled
1362  *
1363  * PARAMETERS:  Level           - Seriousness (Warning/error, etc.)
1364  *              MessageId       - Index into global message buffer
1365  *
1366  * RETURN:      TRUE if exception/message should be ignored
1367  *
1368  * DESCRIPTION: Check if the user has specified options such that this
1369  *              exception should be ignored
1370  *
1371  ******************************************************************************/
1372 
1373 static BOOLEAN
1374 AslIsExceptionExpected (
1375     char                    *Filename,
1376     UINT32                  LineNumber,
1377     UINT8                   Level,
1378     UINT16                  MessageId)
1379 {
1380     ASL_EXPECTED_MSG_NODE   *Current = AslGbl_ExpectedErrorCodeList;
1381     ASL_LOCATION_NODE       *CurrentErrorLocation;
1382     UINT32                  EncodedMessageId;
1383     UINT32                  i;
1384 
1385 
1386     /* Mark this exception as received */
1387 
1388     EncodedMessageId = AeBuildFullExceptionCode (Level, MessageId);
1389     for (i = 0; i < AslGbl_ExpectedMessagesIndex; i++)
1390     {
1391         /* Simple implementation via fixed array */
1392 
1393         if (EncodedMessageId == AslGbl_ExpectedMessages[i].MessageId)
1394         {
1395             return (AslGbl_ExpectedMessages[i].MessageReceived = TRUE);
1396         }
1397     }
1398 
1399     while (Current && Current->MessageId != EncodedMessageId)
1400     {
1401         Current = Current->Next;
1402     }
1403     if (!Current)
1404     {
1405         return (FALSE);
1406     }
1407 
1408     CurrentErrorLocation = Current->LocationList;
1409 
1410     while (CurrentErrorLocation)
1411     {
1412         if (!strcmp (CurrentErrorLocation->Filename, Filename) &&
1413             CurrentErrorLocation->LineNumber == LineNumber)
1414         {
1415             return (CurrentErrorLocation->MessageReceived = TRUE);
1416         }
1417 
1418         CurrentErrorLocation = CurrentErrorLocation->Next;
1419     }
1420 
1421     return (FALSE);
1422 }
1423 
1424 
1425 /*******************************************************************************
1426  *
1427  * FUNCTION:    AslIsExceptionDisabled
1428  *
1429  * PARAMETERS:  Level               - Seriousness (Warning/error, etc.)
1430  *              MessageId           - Index into global message buffer
1431  *
1432  * RETURN:      TRUE if exception/message should be ignored
1433  *
1434  * DESCRIPTION: Check if the user has specified options such that this
1435  *              exception should be ignored
1436  *
1437  ******************************************************************************/
1438 
1439 static BOOLEAN
1440 AslIsExceptionDisabled (
1441     UINT8                   Level,
1442     UINT16                  MessageId)
1443 {
1444     UINT32                  EncodedMessageId;
1445     UINT32                  i;
1446 
1447 
1448     switch (Level)
1449     {
1450     case ASL_WARNING2:
1451     case ASL_WARNING3:
1452 
1453         /* Check for global disable via -w1/-w2/-w3 options */
1454 
1455         if (Level > AslGbl_WarningLevel)
1456         {
1457             return (TRUE);
1458         }
1459         /* Fall through */
1460 
1461     case ASL_WARNING:
1462     case ASL_REMARK:
1463     case ASL_ERROR:
1464         /*
1465          * Ignore this error/warning/remark if it has been disabled by
1466          * the user (-vw option)
1467          */
1468         EncodedMessageId = AeBuildFullExceptionCode (Level, MessageId);
1469         for (i = 0; i < AslGbl_DisabledMessagesIndex; i++)
1470         {
1471             /* Simple implementation via fixed array */
1472 
1473             if (EncodedMessageId == AslGbl_DisabledMessages[i])
1474             {
1475                 return (TRUE);
1476             }
1477         }
1478         break;
1479 
1480     default:
1481         break;
1482     }
1483 
1484     return (FALSE);
1485 }
1486 
1487 
1488 /*******************************************************************************
1489  *
1490  * FUNCTION:    AslDualParseOpError
1491  *
1492  * PARAMETERS:  Level           - Seriousness (Warning/error, etc.)
1493  *              MainMsgId       - Index into global message buffer
1494  *              MainOp          - Parse node where error happened
1495  *              MainMsg         - Message pertaining to the MainOp
1496  *              SubMsgId        - Index into global message buffer
1497  *              SubOp           - Additional parse node for better message
1498  *              SubMsg          - Message pertaining to SubOp
1499  *
1500  *
1501  * RETURN:      None
1502  *
1503  * DESCRIPTION: Main error reporting routine for the ASL compiler for error
1504  *              messages that point to multiple parse objects.
1505  *
1506  ******************************************************************************/
1507 
1508 void
1509 AslDualParseOpError (
1510     UINT8                   Level,
1511     UINT16                  MainMsgId,
1512     ACPI_PARSE_OBJECT       *MainOp,
1513     char                    *MainMsg,
1514     UINT16                  SubMsgId,
1515     ACPI_PARSE_OBJECT       *SubOp,
1516     char                    *SubMsg)
1517 {
1518     ASL_ERROR_MSG           *SubEnode = NULL;
1519 
1520 
1521     /* Check if user wants to ignore this exception */
1522 
1523     if (!MainOp || AslIsExceptionIgnored (MainOp->Asl.Filename,
1524         MainOp->Asl.LogicalLineNumber, Level, MainMsgId))
1525     {
1526         return;
1527     }
1528 
1529     if (SubOp)
1530     {
1531         AslInitEnode (&SubEnode, Level, SubMsgId, SubOp->Asl.LineNumber,
1532             SubOp->Asl.LogicalLineNumber, SubOp->Asl.LogicalByteOffset,
1533             SubOp->Asl.Column, SubOp->Asl.Filename, SubMsg,
1534             NULL, NULL);
1535     }
1536 
1537     AslLogNewError (Level, MainMsgId, MainOp->Asl.LineNumber,
1538         MainOp->Asl.LogicalLineNumber, MainOp->Asl.LogicalByteOffset,
1539         MainOp->Asl.Column, MainOp->Asl.Filename, MainMsg,
1540         NULL, SubEnode);
1541 }
1542 
1543 
1544 /*******************************************************************************
1545  *
1546  * FUNCTION:    AslError
1547  *
1548  * PARAMETERS:  Level               - Seriousness (Warning/error, etc.)
1549  *              MessageId           - Index into global message buffer
1550  *              Op                  - Parse node where error happened
1551  *              ExtraMessage        - Additional error message
1552  *
1553  * RETURN:      None
1554  *
1555  * DESCRIPTION: Main error reporting routine for the ASL compiler (all code
1556  *              except the parser.)
1557  *
1558  ******************************************************************************/
1559 
1560 void
1561 AslError (
1562     UINT8                   Level,
1563     UINT16                  MessageId,
1564     ACPI_PARSE_OBJECT       *Op,
1565     char                    *ExtraMessage)
1566 {
1567     if (Op)
1568     {
1569         AslCommonError (Level, MessageId, Op->Asl.LineNumber,
1570             Op->Asl.LogicalLineNumber,
1571             Op->Asl.LogicalByteOffset,
1572             Op->Asl.Column,
1573             Op->Asl.Filename, ExtraMessage);
1574     }
1575     else
1576     {
1577         AslCommonError (Level, MessageId, 0,
1578             0, 0, 0, NULL, ExtraMessage);
1579     }
1580 }
1581 
1582 
1583 /*******************************************************************************
1584  *
1585  * FUNCTION:    AslCoreSubsystemError
1586  *
1587  * PARAMETERS:  Op                  - Parse node where error happened
1588  *              Status              - The ACPICA Exception
1589  *              ExtraMessage        - Additional error message
1590  *              Abort               - TRUE -> Abort compilation
1591  *
1592  * RETURN:      None
1593  *
1594  * DESCRIPTION: Error reporting routine for exceptions returned by the ACPICA
1595  *              core subsystem.
1596  *
1597  ******************************************************************************/
1598 
1599 void
1600 AslCoreSubsystemError (
1601     ACPI_PARSE_OBJECT       *Op,
1602     ACPI_STATUS             Status,
1603     char                    *ExtraMessage,
1604     BOOLEAN                 Abort)
1605 {
1606 
1607     sprintf (AslGbl_MsgBuffer, "%s %s", AcpiFormatException (Status), ExtraMessage);
1608 
1609     if (Op)
1610     {
1611         AslCommonError (ASL_ERROR, ASL_MSG_CORE_EXCEPTION,
1612             Op->Asl.LineNumber,
1613             Op->Asl.LogicalLineNumber,
1614             Op->Asl.LogicalByteOffset,
1615             Op->Asl.Column,
1616             Op->Asl.Filename, AslGbl_MsgBuffer);
1617     }
1618     else
1619     {
1620         AslCommonError (ASL_ERROR, ASL_MSG_CORE_EXCEPTION,
1621             0, 0, 0, 0, NULL, AslGbl_MsgBuffer);
1622     }
1623 
1624     if (Abort)
1625     {
1626         AslAbort ();
1627     }
1628 }
1629 
1630 
1631 /*******************************************************************************
1632  *
1633  * FUNCTION:    AslCompilererror
1634  *
1635  * PARAMETERS:  CompilerMessage         - Error message from the parser
1636  *
1637  * RETURN:      Status (0 for now)
1638  *
1639  * DESCRIPTION: Report an error situation discovered in a production
1640  *              NOTE: don't change the name of this function, it is called
1641  *              from the auto-generated parser.
1642  *
1643  ******************************************************************************/
1644 
1645 int
1646 AslCompilererror (
1647     const char              *CompilerMessage)
1648 {
1649 
1650     AslGbl_SyntaxError++;
1651 
1652     AslCommonError (ASL_ERROR, ASL_MSG_SYNTAX, AslGbl_CurrentLineNumber,
1653         AslGbl_LogicalLineNumber, AslGbl_CurrentLineOffset,
1654         AslGbl_CurrentColumn, AslGbl_Files[ASL_FILE_INPUT].Filename,
1655         ACPI_CAST_PTR (char, CompilerMessage));
1656 
1657     return (0);
1658 }
1659