1 /******************************************************************************
2  *
3  * Module Name: asremove - Source conversion - removal functions
4  *
5  *****************************************************************************/
6 
7 /******************************************************************************
8  *
9  * 1. Copyright Notice
10  *
11  * Some or all of this work - Copyright (c) 1999 - 2019, 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 "acpisrc.h"
153 
154 /* Local prototypes */
155 
156 void
157 AsRemoveStatement (
158     char                    *Buffer,
159     char                    *Keyword,
160     UINT32                  Type);
161 
162 
163 /******************************************************************************
164  *
165  * FUNCTION:    AsRemoveStatement
166  *
167  * DESCRIPTION: Remove all statements that contain the given keyword.
168  *              Limitations:  Removes text from the start of the line that
169  *              contains the keyword to the next semicolon. Currently
170  *              doesn't ignore comments.
171  *
172  ******************************************************************************/
173 
174 void
175 AsRemoveStatement (
176     char                    *Buffer,
177     char                    *Keyword,
178     UINT32                  Type)
179 {
180     char                    *SubString;
181     char                    *SubBuffer;
182     int                     KeywordLength;
183 
184 
185     KeywordLength = strlen (Keyword);
186     SubBuffer = Buffer;
187     SubString = Buffer;
188 
189     while (SubString)
190     {
191         SubString = strstr (SubBuffer, Keyword);
192 
193         if (SubString)
194         {
195             SubBuffer = SubString;
196 
197             if ((Type == REPLACE_WHOLE_WORD) &&
198                 (!AsMatchExactWord (SubString, KeywordLength)))
199             {
200                 SubBuffer++;
201                 continue;
202             }
203 
204             /* Find start of this line */
205 
206             while (*SubString != '\n')
207             {
208                 SubString--;
209             }
210             SubString++;
211 
212             /* Find end of this statement */
213 
214             SubBuffer = AsSkipPastChar (SubBuffer, ';');
215             if (!SubBuffer)
216             {
217                 return;
218             }
219 
220             /* Find end of this line */
221 
222             SubBuffer = AsSkipPastChar (SubBuffer, '\n');
223             if (!SubBuffer)
224             {
225                 return;
226             }
227 
228             /* If next line is blank, remove it too */
229 
230             if (*SubBuffer == '\n')
231             {
232                 SubBuffer++;
233             }
234 
235             /* Remove the lines */
236 
237             SubBuffer = AsRemoveData (SubString, SubBuffer);
238         }
239     }
240 }
241 
242 
243 /******************************************************************************
244  *
245  * FUNCTION:    AsRemoveConditionalCompile
246  *
247  * DESCRIPTION: Remove a "#ifdef" statement, and all text that it encompasses.
248  *              Limitations: cannot handle nested ifdefs.
249  *
250  ******************************************************************************/
251 
252 void
253 AsRemoveConditionalCompile (
254     char                    *Buffer,
255     char                    *Keyword)
256 {
257     char                    *SubString;
258     char                    *SubBuffer;
259     char                    *IfPtr;
260     char                    *EndifPtr;
261     char                    *ElsePtr;
262     char                    *Comment;
263     int                     KeywordLength;
264 
265 
266     KeywordLength = strlen (Keyword);
267     SubBuffer = Buffer;
268     SubString = Buffer;
269 
270     while (SubString)
271     {
272         SubBuffer = strstr (SubString, Keyword);
273         if (!SubBuffer)
274         {
275             return;
276         }
277 
278         /*
279          * Check for translation escape string -- means to ignore
280          * blocks of code while replacing
281          */
282         if (Gbl_IgnoreTranslationEscapes)
283         {
284             Comment = NULL;
285         }
286         else
287         {
288             Comment = strstr (SubString, AS_START_IGNORE);
289         }
290 
291         if ((Comment) &&
292             (Comment < SubBuffer))
293         {
294             SubString = strstr (Comment, AS_STOP_IGNORE);
295             if (!SubString)
296             {
297                 return;
298             }
299 
300             SubString += 3;
301             continue;
302         }
303 
304         /* Check for ordinary comment */
305 
306         Comment = strstr (SubString, "/*");
307 
308         if ((Comment) &&
309             (Comment < SubBuffer))
310         {
311             SubString = strstr (Comment, "*/");
312             if (!SubString)
313             {
314                 return;
315             }
316 
317             SubString += 2;
318             continue;
319         }
320 
321         SubString = SubBuffer;
322         if (!AsMatchExactWord (SubString, KeywordLength))
323         {
324             SubString++;
325             continue;
326         }
327 
328         /* Find start of this line */
329 
330         while (*SubString != '\n' && (SubString > Buffer))
331         {
332             SubString--;
333         }
334 
335         SubString++;
336 
337         /* Find the "#ifxxxx" */
338 
339         IfPtr = strstr (SubString, "#if");
340         if (!IfPtr)
341         {
342             return;
343         }
344 
345         if (IfPtr > SubBuffer)
346         {
347             /* Not the right #if */
348 
349             SubString = SubBuffer + strlen (Keyword);
350             continue;
351         }
352 
353         /* Find closing #endif or #else */
354 
355         EndifPtr = strstr (SubBuffer, "#endif");
356         if (!EndifPtr)
357         {
358             /* There has to be an #endif */
359 
360             return;
361         }
362 
363         ElsePtr = strstr (SubBuffer, "#else");
364         if ((ElsePtr) &&
365             (EndifPtr > ElsePtr))
366         {
367             /* This #ifdef contains an #else clause */
368             /* Find end of this line */
369 
370             SubBuffer = AsSkipPastChar (ElsePtr, '\n');
371             if (!SubBuffer)
372             {
373                 return;
374             }
375 
376             /* Remove the #ifdef .... #else code */
377 
378             AsRemoveData (SubString, SubBuffer);
379 
380             /* Next, we will remove the #endif statement */
381 
382             EndifPtr = strstr (SubString, "#endif");
383             if (!EndifPtr)
384             {
385                 /* There has to be an #endif */
386 
387                 return;
388             }
389 
390             SubString = EndifPtr;
391         }
392 
393         /* Remove the ... #endif part */
394         /* Find end of this line */
395 
396         SubBuffer = AsSkipPastChar (EndifPtr, '\n');
397         if (!SubBuffer)
398         {
399             return;
400         }
401 
402         /* Remove the lines */
403 
404         SubBuffer = AsRemoveData (SubString, SubBuffer);
405     }
406 }
407 
408 
409 #ifdef _OBSOLETE_FUNCTIONS
410 /******************************************************************************
411  *
412  * FUNCTION:    AsRemoveMacro
413  *
414  * DESCRIPTION: Remove every line that contains the keyword. Does not
415  *              skip comments.
416  *
417  ******************************************************************************/
418 
419 NOTE: This function is no longer used and is commented out for now.
420 
421 Also, it appears to have one or more bugs in it. It can incorrectly remove
422 lines of code, producing some garbage.
423 
424 void
425 AsRemoveMacro (
426     char                    *Buffer,
427     char                    *Keyword)
428 {
429     char                    *SubString;
430     char                    *SubBuffer;
431     int                     NestLevel;
432 
433 
434     SubBuffer = Buffer;
435     SubString = Buffer;
436 
437     while (SubString)
438     {
439         SubString = strstr (SubBuffer, Keyword);
440 
441         if (SubString)
442         {
443             SubBuffer = SubString;
444 
445             /* Find start of the macro parameters */
446 
447             while (*SubString != '(')
448             {
449                 SubString++;
450             }
451             SubString++;
452 
453             /* Remove the macro name and opening paren */
454 
455             SubString = AsRemoveData (SubBuffer, SubString);
456 
457             NestLevel = 1;
458             while (*SubString)
459             {
460                 if (*SubString == '(')
461                 {
462                     NestLevel++;
463                 }
464                 else if (*SubString == ')')
465                 {
466                     NestLevel--;
467                 }
468 
469                 SubString++;
470 
471                 if (NestLevel == 0)
472                 {
473                     break;
474                 }
475             }
476 
477             /* Remove the closing paren */
478 
479             SubBuffer = AsRemoveData (SubString-1, SubString);
480         }
481     }
482 }
483 #endif
484 
485 /******************************************************************************
486  *
487  * FUNCTION:    AsRemoveLine
488  *
489  * DESCRIPTION: Remove every line that contains the keyword. Does not
490  *              skip comments.
491  *
492  ******************************************************************************/
493 
494 void
495 AsRemoveLine (
496     char                    *Buffer,
497     char                    *Keyword)
498 {
499     char                    *SubString;
500     char                    *SubBuffer;
501 
502 
503     SubBuffer = Buffer;
504     SubString = Buffer;
505 
506     while (SubString)
507     {
508         SubString = strstr (SubBuffer, Keyword);
509 
510         if (SubString)
511         {
512             SubBuffer = SubString;
513 
514             /* Find start of this line */
515 
516             while (*SubString != '\n')
517             {
518                 SubString--;
519             }
520             SubString++;
521 
522             /* Find end of this line */
523 
524             SubBuffer = AsSkipPastChar (SubBuffer, '\n');
525             if (!SubBuffer)
526             {
527                 return;
528             }
529 
530             /* Remove the line */
531 
532             SubBuffer = AsRemoveData (SubString, SubBuffer);
533         }
534     }
535 }
536 
537 
538 /******************************************************************************
539  *
540  * FUNCTION:    AsReduceTypedefs
541  *
542  * DESCRIPTION: Eliminate certain typedefs
543  *
544  ******************************************************************************/
545 
546 void
547 AsReduceTypedefs (
548     char                    *Buffer,
549     char                    *Keyword)
550 {
551     char                    *SubString;
552     char                    *SubBuffer;
553     char                    *SubSubString;
554     int                     NestLevel;
555 
556 
557     SubBuffer = Buffer;
558     SubString = Buffer;
559 
560     while (SubString)
561     {
562         SubString = strstr (SubBuffer, Keyword);
563 
564         if (SubString)
565         {
566             SubSubString = SubString + strlen (Keyword);
567 
568             /* skip spaces */
569 
570             while (strchr(" \t\r\n", *SubSubString))
571             {
572                 SubSubString++;
573             }
574 
575             /* skip type name */
576 
577             while (!strchr(" \t\r\n", *SubSubString))
578             {
579                 SubSubString++;
580             }
581 
582             /* skip spaces */
583 
584             while (strchr(" \t\r\n", *SubSubString))
585             {
586                 SubSubString++;
587             }
588 
589             if (*SubSubString == '{')
590             {
591                 /* Remove the typedef itself */
592 
593                 SubBuffer = SubString + strlen ("typedef") + 1;
594                 SubBuffer = AsRemoveData (SubString, SubBuffer);
595 
596                 /* Find the opening brace of the struct or union */
597 
598                 while (*SubString != '{')
599                 {
600                     SubString++;
601                 }
602                 SubString++;
603 
604                 /* Find the closing brace. Handles nested braces */
605 
606                 NestLevel = 1;
607                 while (*SubString)
608                 {
609                     if (*SubString == '{')
610                     {
611                         NestLevel++;
612                     }
613                     else if (*SubString == '}')
614                     {
615                         NestLevel--;
616                     }
617 
618                     SubString++;
619 
620                     if (NestLevel == 0)
621                     {
622                         break;
623                     }
624                 }
625 
626                 /* Remove an extra line feed if present */
627 
628                 if (!strncmp (SubString - 3, "\n\n", 2))
629                 {
630                     *(SubString -2) = '}';
631                     SubString--;
632                 }
633 
634                 /* Find the end of the typedef name */
635 
636                 SubBuffer = AsSkipUntilChar (SubString, ';');
637 
638                 /* And remove the typedef name */
639 
640                 SubBuffer = AsRemoveData (SubString, SubBuffer);
641             }
642             else
643             {
644                 /* Skip the entire definition */
645 
646                 SubString = strchr (SubString, ';') + 1;
647                 SubBuffer = SubString;
648             }
649         }
650     }
651 }
652 
653 
654 /******************************************************************************
655  *
656  * FUNCTION:    AsRemoveEmptyBlocks
657  *
658  * DESCRIPTION: Remove any C blocks (e.g., if {}) that contain no code. This
659  *              can happen as a result of removing lines such as DEBUG_PRINT.
660  *
661  ******************************************************************************/
662 
663 void
664 AsRemoveEmptyBlocks (
665     char                    *Buffer,
666     char                    *Filename)
667 {
668     char                    *SubBuffer;
669     char                    *BlockStart;
670     BOOLEAN                 EmptyBlock = TRUE;
671     BOOLEAN                 AnotherPassRequired = TRUE;
672     UINT32                  BlockCount = 0;
673 
674 
675     while (AnotherPassRequired)
676     {
677         SubBuffer = Buffer;
678         AnotherPassRequired = FALSE;
679 
680         while (*SubBuffer)
681         {
682             if (*SubBuffer == '{')
683             {
684                 BlockStart = SubBuffer;
685                 EmptyBlock = TRUE;
686 
687                 SubBuffer++;
688                 while (*SubBuffer != '}')
689                 {
690                     if ((*SubBuffer != ' ') &&
691                         (*SubBuffer != '\n'))
692                     {
693                         EmptyBlock = FALSE;
694                         break;
695                     }
696 
697                     SubBuffer++;
698                 }
699 
700                 if (EmptyBlock)
701                 {
702                     /* Find start of the first line of the block */
703 
704                     while (*BlockStart != '\n')
705                     {
706                         BlockStart--;
707                     }
708 
709                     /* Find end of the last line of the block */
710 
711                     SubBuffer = AsSkipUntilChar (SubBuffer, '\n');
712                     if (!SubBuffer)
713                     {
714                         break;
715                     }
716 
717                     /* Remove the block */
718 
719                     SubBuffer = AsRemoveData (BlockStart, SubBuffer);
720                     BlockCount++;
721                     AnotherPassRequired = TRUE;
722                     continue;
723                 }
724             }
725 
726             SubBuffer++;
727         }
728     }
729 
730     if (BlockCount)
731     {
732         Gbl_MadeChanges = TRUE;
733         AsPrint ("Code blocks deleted", BlockCount, Filename);
734     }
735 }
736 
737 
738 /******************************************************************************
739  *
740  * FUNCTION:    AsRemoveDebugMacros
741  *
742  * DESCRIPTION: Remove all "Debug" macros -- macros that produce debug output.
743  *
744  ******************************************************************************/
745 
746 void
747 AsRemoveDebugMacros (
748     char                    *Buffer)
749 {
750     AsRemoveConditionalCompile (Buffer, "ACPI_DEBUG_OUTPUT");
751 
752     AsRemoveStatement (Buffer, "ACPI_DEBUG_PRINT",      REPLACE_WHOLE_WORD);
753     AsRemoveStatement (Buffer, "ACPI_DEBUG_PRINT_RAW",  REPLACE_WHOLE_WORD);
754     AsRemoveStatement (Buffer, "DEBUG_EXEC",            REPLACE_WHOLE_WORD);
755     AsRemoveStatement (Buffer, "FUNCTION_ENTRY",        REPLACE_WHOLE_WORD);
756     AsRemoveStatement (Buffer, "PROC_NAME",             REPLACE_WHOLE_WORD);
757     AsRemoveStatement (Buffer, "FUNCTION_TRACE",        REPLACE_SUBSTRINGS);
758     AsRemoveStatement (Buffer, "DUMP_",                 REPLACE_SUBSTRINGS);
759 
760     AsReplaceString ("return_VOID",         "return", REPLACE_WHOLE_WORD, Buffer);
761     AsReplaceString ("return_PTR",          "return", REPLACE_WHOLE_WORD, Buffer);
762     AsReplaceString ("return_STR",          "return", REPLACE_WHOLE_WORD, Buffer);
763     AsReplaceString ("return_ACPI_STATUS",  "return", REPLACE_WHOLE_WORD, Buffer);
764     AsReplaceString ("return_acpi_status",  "return", REPLACE_WHOLE_WORD, Buffer);
765     AsReplaceString ("return_VALUE",        "return", REPLACE_WHOLE_WORD, Buffer);
766 }
767 
768 
769 /******************************************************************************
770  *
771  * FUNCTION:    AsCleanupSpecialMacro
772  *
773  * DESCRIPTION: For special macro invocations (invoked without ";" at the end
774  *              of the lines), do the following:
775  *              1. Remove spaces appended by indent at the beginning of lines.
776  *              2. Add an empty line between two special macro invocations.
777  *
778  ******************************************************************************/
779 
780 void
781 AsCleanupSpecialMacro (
782     char                    *Buffer,
783     char                    *Keyword)
784 {
785     char                    *SubString;
786     char                    *SubBuffer;
787     char                    *CommentEnd;
788     int                     NewLine;
789     int                     NestLevel;
790 
791 
792     SubBuffer = Buffer;
793     SubString = Buffer;
794 
795     while (SubString)
796     {
797         SubString = strstr (SubBuffer, Keyword);
798 
799         if (SubString)
800         {
801             /* Find start of the macro parameters */
802 
803             while (*SubString != '(')
804             {
805                 SubString++;
806             }
807 
808             SubString++;
809 
810             NestLevel = 1;
811             while (*SubString)
812             {
813                 if (*SubString == '(')
814                 {
815                     NestLevel++;
816                 }
817                 else if (*SubString == ')')
818                 {
819                     NestLevel--;
820                 }
821 
822                 SubString++;
823 
824                 if (NestLevel == 0)
825                 {
826                     break;
827                 }
828             }
829 
830 SkipLine:
831 
832             /* Find end of the line */
833 
834             NewLine = FALSE;
835             while (!NewLine && *SubString)
836             {
837                 if (*SubString == '\n' && *(SubString - 1) != '\\')
838                 {
839                     NewLine = TRUE;
840                 }
841 
842                 SubString++;
843             }
844 
845             /* Find end of the line */
846 
847             if (*SubString == '#' || *SubString == '\n')
848             {
849                 goto SkipLine;
850             }
851 
852             SubBuffer = SubString;
853 
854             /* Find start of the non-space */
855 
856             while (*SubString == ' ')
857             {
858                 SubString++;
859             }
860 
861             /* Find end of the line */
862 
863             if (*SubString == '#' || *SubString == '\n')
864             {
865                 goto SkipLine;
866             }
867 
868             /* Find end of the line */
869 
870             if (*SubString == '/' || *SubString == '*')
871             {
872                 CommentEnd = strstr (SubString, "*/");
873                 if (CommentEnd)
874                 {
875                     SubString = CommentEnd + 2;
876                     goto SkipLine;
877                 }
878             }
879 
880             SubString = AsRemoveData (SubBuffer, SubString);
881         }
882     }
883 }
884