1 /******************************************************************************
3 * Module Name: asremove - Source conversion - removal functions
5 *****************************************************************************/
7 /******************************************************************************
11 * Some or all of this work - Copyright (c) 1999 - 2012, Intel Corp.
12 * All rights reserved.
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
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
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;
37 * The above copyright and patent license is granted only if the following
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.
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
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
72 * 3.4. Intel retains all right, title, and interest in and to the Original
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.
80 * 4. Disclaimer and Export Compliance
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
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
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.
114 *****************************************************************************/
118 /* Local prototypes */
127 /******************************************************************************
129 * FUNCTION: AsRemoveStatement
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.
136 ******************************************************************************/
149 KeywordLength = strlen (Keyword);
156 SubString = strstr (SubBuffer, Keyword);
160 SubBuffer = SubString;
162 if ((Type == REPLACE_WHOLE_WORD) &&
163 (!AsMatchExactWord (SubString, KeywordLength)))
169 /* Find start of this line */
171 while (*SubString != '\n')
177 /* Find end of this statement */
179 SubBuffer = AsSkipPastChar (SubBuffer, ';');
185 /* Find end of this line */
187 SubBuffer = AsSkipPastChar (SubBuffer, '\n');
193 /* If next line is blank, remove it too */
195 if (*SubBuffer == '\n')
200 /* Remove the lines */
202 SubBuffer = AsRemoveData (SubString, SubBuffer);
208 /******************************************************************************
210 * FUNCTION: AsRemoveConditionalCompile
212 * DESCRIPTION: Remove a "#ifdef" statement, and all text that it encompasses.
213 * Limitations: cannot handle nested ifdefs.
215 ******************************************************************************/
218 AsRemoveConditionalCompile (
231 KeywordLength = strlen (Keyword);
238 SubBuffer = strstr (SubString, Keyword);
245 * Check for translation escape string -- means to ignore
246 * blocks of code while replacing
248 Comment = strstr (SubString, AS_START_IGNORE);
251 (Comment < SubBuffer))
253 SubString = strstr (Comment, AS_STOP_IGNORE);
263 /* Check for ordinary comment */
265 Comment = strstr (SubString, "/*");
268 (Comment < SubBuffer))
270 SubString = strstr (Comment, "*/");
280 SubString = SubBuffer;
281 if (!AsMatchExactWord (SubString, KeywordLength))
287 /* Find start of this line */
289 while (*SubString != '\n' && (SubString > Buffer))
295 /* Find the "#ifxxxx" */
297 IfPtr = strstr (SubString, "#if");
303 if (IfPtr > SubBuffer)
305 /* Not the right #if */
307 SubString = SubBuffer + strlen (Keyword);
311 /* Find closing #endif or #else */
313 EndifPtr = strstr (SubBuffer, "#endif");
316 /* There has to be an #endif */
321 ElsePtr = strstr (SubBuffer, "#else");
323 (EndifPtr > ElsePtr))
325 /* This #ifdef contains an #else clause */
326 /* Find end of this line */
328 SubBuffer = AsSkipPastChar (ElsePtr, '\n');
334 /* Remove the #ifdef .... #else code */
336 AsRemoveData (SubString, SubBuffer);
338 /* Next, we will remove the #endif statement */
340 EndifPtr = strstr (SubString, "#endif");
343 /* There has to be an #endif */
348 SubString = EndifPtr;
351 /* Remove the ... #endif part */
352 /* Find end of this line */
354 SubBuffer = AsSkipPastChar (EndifPtr, '\n');
360 /* Remove the lines */
362 SubBuffer = AsRemoveData (SubString, SubBuffer);
367 /******************************************************************************
369 * FUNCTION: AsRemoveMacro
371 * DESCRIPTION: Remove every line that contains the keyword. Does not
374 ******************************************************************************/
392 SubString = strstr (SubBuffer, Keyword);
396 SubBuffer = SubString;
398 /* Find start of the macro parameters */
400 while (*SubString != '(')
406 /* Remove the macro name and opening paren */
408 SubString = AsRemoveData (SubBuffer, SubString);
413 if (*SubString == '(')
417 else if (*SubString == ')')
430 /* Remove the closing paren */
432 SubBuffer = AsRemoveData (SubString-1, SubString);
438 /******************************************************************************
440 * FUNCTION: AsRemoveLine
442 * DESCRIPTION: Remove every line that contains the keyword. Does not
445 ******************************************************************************/
462 SubString = strstr (SubBuffer, Keyword);
466 SubBuffer = SubString;
468 /* Find start of this line */
470 while (*SubString != '\n')
476 /* Find end of this line */
478 SubBuffer = AsSkipPastChar (SubBuffer, '\n');
484 /* Remove the line */
486 SubBuffer = AsRemoveData (SubString, SubBuffer);
492 /******************************************************************************
494 * FUNCTION: AsReduceTypedefs
496 * DESCRIPTION: Eliminate certain typedefs
498 ******************************************************************************/
516 SubString = strstr (SubBuffer, Keyword);
520 /* Remove the typedef itself */
522 SubBuffer = SubString + strlen ("typedef") + 1;
523 SubBuffer = AsRemoveData (SubString, SubBuffer);
525 /* Find the opening brace of the struct or union */
527 while (*SubString != '{')
533 /* Find the closing brace. Handles nested braces */
538 if (*SubString == '{')
542 else if (*SubString == '}')
555 /* Remove an extra line feed if present */
557 if (!strncmp (SubString - 3, "\n\n", 2))
559 *(SubString -2) = '}';
563 /* Find the end of the typedef name */
565 SubBuffer = AsSkipUntilChar (SubString, ';');
567 /* And remove the typedef name */
569 SubBuffer = AsRemoveData (SubString, SubBuffer);
575 /******************************************************************************
577 * FUNCTION: AsRemoveEmptyBlocks
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.
582 ******************************************************************************/
585 AsRemoveEmptyBlocks (
591 BOOLEAN EmptyBlock = TRUE;
592 BOOLEAN AnotherPassRequired = TRUE;
593 UINT32 BlockCount = 0;
596 while (AnotherPassRequired)
599 AnotherPassRequired = FALSE;
603 if (*SubBuffer == '{')
605 BlockStart = SubBuffer;
609 while (*SubBuffer != '}')
611 if ((*SubBuffer != ' ') &&
612 (*SubBuffer != '\n'))
622 /* Find start of the first line of the block */
624 while (*BlockStart != '\n')
629 /* Find end of the last line of the block */
631 SubBuffer = AsSkipUntilChar (SubBuffer, '\n');
637 /* Remove the block */
639 SubBuffer = AsRemoveData (BlockStart, SubBuffer);
641 AnotherPassRequired = TRUE;
652 Gbl_MadeChanges = TRUE;
653 AsPrint ("Code blocks deleted", BlockCount, Filename);
658 /******************************************************************************
660 * FUNCTION: AsRemoveDebugMacros
662 * DESCRIPTION: Remove all "Debug" macros -- macros that produce debug output.
664 ******************************************************************************/
667 AsRemoveDebugMacros (
670 AsRemoveConditionalCompile (Buffer, "ACPI_DEBUG_OUTPUT");
672 AsRemoveStatement (Buffer, "ACPI_DEBUG_PRINT", REPLACE_WHOLE_WORD);
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);
680 AsReplaceString ("return_VOID", "return", REPLACE_WHOLE_WORD, Buffer);
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);