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Rev Author Line No. Line
1498 serge 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 - 2011, Intel Corp.
2216 Serge 12
 * All rights reserved.
1498 serge 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
 
117
118
 
119
120
 
121
AsRemoveStatement (
122
    char                    *Buffer,
123
    char                    *Keyword,
124
    UINT32                  Type);
125
126
 
127
 
128
 *
129
 * FUNCTION:    AsRemoveStatement
130
 *
131
 * DESCRIPTION: Remove all statements that contain the given keyword.
132
 *              Limitations:  Removes text from the start of the line that
133
 *              contains the keyword to the next semicolon.  Currently
134
 *              doesn't ignore comments.
135
 *
136
 ******************************************************************************/
137
138
 
139
AsRemoveStatement (
140
    char                    *Buffer,
141
    char                    *Keyword,
142
    UINT32                  Type)
143
{
144
    char                    *SubString;
145
    char                    *SubBuffer;
146
    int                     KeywordLength;
147
148
 
149
 
150
    SubBuffer = Buffer;
151
    SubString = Buffer;
152
153
 
154
 
155
    {
156
        SubString = strstr (SubBuffer, Keyword);
157
158
 
159
        {
160
            SubBuffer = SubString;
161
162
 
163
                (!AsMatchExactWord (SubString, KeywordLength)))
164
            {
165
                SubBuffer++;
166
                continue;
167
            }
168
169
 
170
171
 
172
            {
173
                SubString--;
174
            }
175
            SubString++;
176
177
 
178
179
 
180
            if (!SubBuffer)
181
            {
182
                return;
183
            }
184
185
 
186
187
 
188
            if (!SubBuffer)
189
            {
190
                return;
191
            }
192
193
 
194
195
 
196
            {
197
                SubBuffer++;
198
            }
199
200
 
201
202
 
203
        }
204
    }
205
}
206
207
 
208
 
209
 *
210
 * FUNCTION:    AsRemoveConditionalCompile
211
 *
212
 * DESCRIPTION: Remove a "#ifdef" statement, and all text that it encompasses.
213
 *              Limitations: cannot handle nested ifdefs.
214
 *
215
 ******************************************************************************/
216
217
 
218
AsRemoveConditionalCompile (
219
    char                    *Buffer,
220
    char                    *Keyword)
221
{
222
    char                    *SubString;
223
    char                    *SubBuffer;
224
    char                    *IfPtr;
225
    char                    *EndifPtr;
226
    char                    *ElsePtr;
227
    char                    *Comment;
228
    int                     KeywordLength;
229
230
 
231
 
232
    SubBuffer = Buffer;
233
    SubString = Buffer;
234
235
 
236
 
237
    {
238
        SubBuffer = strstr (SubString, Keyword);
239
        if (!SubBuffer)
240
        {
241
            return;
242
        }
243
244
 
245
         * Check for translation escape string -- means to ignore
246
         * blocks of code while replacing
247
         */
248
        Comment = strstr (SubString, AS_START_IGNORE);
249
250
 
251
            (Comment < SubBuffer))
252
        {
253
            SubString = strstr (Comment, AS_STOP_IGNORE);
254
            if (!SubString)
255
            {
256
                return;
257
            }
258
259
 
260
            continue;
261
        }
262
263
 
264
265
 
266
267
 
268
            (Comment < SubBuffer))
269
        {
270
            SubString = strstr (Comment, "*/");
271
            if (!SubString)
272
            {
273
                return;
274
            }
275
276
 
277
            continue;
278
        }
279
280
 
281
        if (!AsMatchExactWord (SubString, KeywordLength))
282
        {
283
            SubString++;
284
            continue;
285
        }
286
287
 
288
289
 
290
        {
291
            SubString--;
292
        }
293
        SubString++;
294
295
 
296
297
 
298
        if (!IfPtr)
299
        {
300
            return;
301
        }
302
303
 
304
        {
305
            /* Not the right #if */
306
307
 
308
            continue;
309
        }
310
311
 
312
313
 
314
        if (!EndifPtr)
315
        {
316
            /* There has to be an #endif */
317
318
 
319
        }
320
321
 
322
        if ((ElsePtr) &&
323
            (EndifPtr > ElsePtr))
324
        {
325
            /* This #ifdef contains an #else clause */
326
            /* Find end of this line */
327
328
 
329
            if (!SubBuffer)
330
            {
331
                return;
332
            }
333
334
 
335
336
 
337
338
 
339
340
 
341
            if (!EndifPtr)
342
            {
343
                /* There has to be an #endif */
344
345
 
346
            }
347
348
 
349
        }
350
351
 
352
        /* Find end of this line */
353
354
 
355
        if (!SubBuffer)
356
        {
357
            return;
358
        }
359
360
 
361
362
 
363
    }
364
}
365
366
 
367
 
368
 *
369
 * FUNCTION:    AsRemoveMacro
370
 *
371
 * DESCRIPTION: Remove every line that contains the keyword.  Does not
372
 *              skip comments.
373
 *
374
 ******************************************************************************/
375
376
 
377
AsRemoveMacro (
378
    char                    *Buffer,
379
    char                    *Keyword)
380
{
381
    char                    *SubString;
382
    char                    *SubBuffer;
383
    int                     NestLevel;
384
385
 
386
 
387
    SubString = Buffer;
388
389
 
390
 
391
    {
392
        SubString = strstr (SubBuffer, Keyword);
393
394
 
395
        {
396
            SubBuffer = SubString;
397
398
 
399
400
 
401
            {
402
                SubString++;
403
            }
404
            SubString++;
405
406
 
407
408
 
409
410
 
411
            while (*SubString)
412
            {
413
                if (*SubString == '(')
414
                {
415
                    NestLevel++;
416
                }
417
                else if (*SubString == ')')
418
                {
419
                    NestLevel--;
420
                }
421
422
 
423
424
 
425
                {
426
                    break;
427
                }
428
            }
429
430
 
431
432
 
433
        }
434
    }
435
}
436
437
 
438
 
439
 *
440
 * FUNCTION:    AsRemoveLine
441
 *
442
 * DESCRIPTION: Remove every line that contains the keyword.  Does not
443
 *              skip comments.
444
 *
445
 ******************************************************************************/
446
447
 
448
AsRemoveLine (
449
    char                    *Buffer,
450
    char                    *Keyword)
451
{
452
    char                    *SubString;
453
    char                    *SubBuffer;
454
455
 
456
 
457
    SubString = Buffer;
458
459
 
460
 
461
    {
462
        SubString = strstr (SubBuffer, Keyword);
463
464
 
465
        {
466
            SubBuffer = SubString;
467
468
 
469
470
 
471
            {
472
                SubString--;
473
            }
474
            SubString++;
475
476
 
477
478
 
479
            if (!SubBuffer)
480
            {
481
                return;
482
            }
483
484
 
485
486
 
487
        }
488
    }
489
}
490
491
 
492
 
493
 *
494
 * FUNCTION:    AsReduceTypedefs
495
 *
496
 * DESCRIPTION: Eliminate certain typedefs
497
 *
498
 ******************************************************************************/
499
500
 
501
AsReduceTypedefs (
502
    char                    *Buffer,
503
    char                    *Keyword)
504
{
505
    char                    *SubString;
506
    char                    *SubBuffer;
507
    int                     NestLevel;
508
509
 
510
 
511
    SubString = Buffer;
512
513
 
514
 
515
    {
516
        SubString = strstr (SubBuffer, Keyword);
517
518
 
519
        {
520
            /* Remove the typedef itself */
521
522
 
523
            SubBuffer = AsRemoveData (SubString, SubBuffer);
524
525
 
526
527
 
528
            {
529
                SubString++;
530
            }
531
            SubString++;
532
533
 
534
535
 
536
            while (*SubString)
537
            {
538
                if (*SubString == '{')
539
                {
540
                    NestLevel++;
541
                }
542
                else if (*SubString == '}')
543
                {
544
                    NestLevel--;
545
                }
546
547
 
548
549
 
550
                {
551
                    break;
552
                }
553
            }
554
555
 
556
557
 
558
            {
559
                *(SubString -2) = '}';
560
                SubString--;
561
            }
562
563
 
564
565
 
566
567
 
568
569
 
570
        }
571
    }
572
}
573
574
 
575
 
576
 *
577
 * FUNCTION:    AsRemoveEmptyBlocks
578
 *
579
 * DESCRIPTION: Remove any C blocks (e.g., if {}) that contain no code.  This
580
 *              can happen as a result of removing lines such as DEBUG_PRINT.
581
 *
582
 ******************************************************************************/
583
584
 
585
AsRemoveEmptyBlocks (
586
    char                    *Buffer,
587
    char                    *Filename)
588
{
589
    char                    *SubBuffer;
590
    char                    *BlockStart;
591
    BOOLEAN                 EmptyBlock = TRUE;
592
    BOOLEAN                 AnotherPassRequired = TRUE;
593
    UINT32                  BlockCount = 0;
594
595
 
596
 
597
    {
598
        SubBuffer = Buffer;
599
        AnotherPassRequired = FALSE;
600
601
 
602
        {
603
            if (*SubBuffer == '{')
604
            {
605
                BlockStart = SubBuffer;
606
                EmptyBlock = TRUE;
607
608
 
609
                while (*SubBuffer != '}')
610
                {
611
                    if ((*SubBuffer != ' ') &&
612
                        (*SubBuffer != '\n'))
613
                    {
614
                        EmptyBlock = FALSE;
615
                        break;
616
                    }
617
                    SubBuffer++;
618
                }
619
620
 
621
                {
622
                    /* Find start of the first line of the block */
623
624
 
625
                    {
626
                        BlockStart--;
627
                    }
628
629
 
630
631
 
632
                    if (!SubBuffer)
633
                    {
634
                        break;
635
                    }
636
637
 
638
639
 
640
                    BlockCount++;
641
                    AnotherPassRequired = TRUE;
642
                    continue;
643
                }
644
            }
645
646
 
647
        }
648
    }
649
650
 
651
    {
652
        Gbl_MadeChanges = TRUE;
653
        AsPrint ("Code blocks deleted", BlockCount, Filename);
654
    }
655
}
656
657
 
658
 
659
 *
660
 * FUNCTION:    AsRemoveDebugMacros
661
 *
662
 * DESCRIPTION: Remove all "Debug" macros -- macros that produce debug output.
663
 *
664
 ******************************************************************************/
665
666
 
667
AsRemoveDebugMacros (
668
    char                    *Buffer)
669
{
670
    AsRemoveConditionalCompile (Buffer, "ACPI_DEBUG_OUTPUT");
671
672
 
673
    AsRemoveStatement (Buffer, "ACPI_DEBUG_PRINT_RAW",  REPLACE_WHOLE_WORD);
674
    AsRemoveStatement (Buffer, "DEBUG_EXEC",            REPLACE_WHOLE_WORD);
675
    AsRemoveStatement (Buffer, "FUNCTION_ENTRY",        REPLACE_WHOLE_WORD);
676
    AsRemoveStatement (Buffer, "PROC_NAME",             REPLACE_WHOLE_WORD);
677
    AsRemoveStatement (Buffer, "FUNCTION_TRACE",        REPLACE_SUBSTRINGS);
678
    AsRemoveStatement (Buffer, "DUMP_",                 REPLACE_SUBSTRINGS);
679
680
 
681
    AsReplaceString ("return_PTR",          "return", REPLACE_WHOLE_WORD, Buffer);
682
    AsReplaceString ("return_ACPI_STATUS",  "return", REPLACE_WHOLE_WORD, Buffer);
683
    AsReplaceString ("return_acpi_status",  "return", REPLACE_WHOLE_WORD, Buffer);
684
    AsReplaceString ("return_VALUE",        "return", REPLACE_WHOLE_WORD, Buffer);
685
}
686