2 /******************************************************************************
4 * Module Name: asremove - Source conversion - removal functions
7 *****************************************************************************/
9 /******************************************************************************
13 * Some or all of this work - Copyright (c) 1999 - 2005, Intel Corp.
14 * All rights reserved.
18 * 2.1. This is your license from Intel Corp. under its intellectual property
19 * rights. You may have additional license terms from the party that provided
20 * you this software, covering your right to use that party's intellectual
23 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
24 * copy of the source code appearing in this file ("Covered Code") an
25 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
26 * base code distributed originally by Intel ("Original Intel Code") to copy,
27 * make derivatives, distribute, use and display any portion of the Covered
28 * Code in any form, with the right to sublicense such rights; and
30 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
31 * license (with the right to sublicense), under only those claims of Intel
32 * patents that are infringed by the Original Intel Code, to make, use, sell,
33 * offer to sell, and import the Covered Code and derivative works thereof
34 * solely to the minimum extent necessary to exercise the above copyright
35 * license, and in no event shall the patent license extend to any additions
36 * to or modifications of the Original Intel Code. No other license or right
37 * is granted directly or by implication, estoppel or otherwise;
39 * The above copyright and patent license is granted only if the following
44 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
45 * Redistribution of source code of any substantial portion of the Covered
46 * Code or modification with rights to further distribute source must include
47 * the above Copyright Notice, the above License, this list of Conditions,
48 * and the following Disclaimer and Export Compliance provision. In addition,
49 * Licensee must cause all Covered Code to which Licensee contributes to
50 * contain a file documenting the changes Licensee made to create that Covered
51 * Code and the date of any change. Licensee must include in that file the
52 * documentation of any changes made by any predecessor Licensee. Licensee
53 * must include a prominent statement that the modification is derived,
54 * directly or indirectly, from Original Intel Code.
56 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
57 * Redistribution of source code of any substantial portion of the Covered
58 * Code or modification without rights to further distribute source must
59 * include the following Disclaimer and Export Compliance provision in the
60 * documentation and/or other materials provided with distribution. In
61 * addition, Licensee may not authorize further sublicense of source of any
62 * portion of the Covered Code, and must include terms to the effect that the
63 * license from Licensee to its licensee is limited to the intellectual
64 * property embodied in the software Licensee provides to its licensee, and
65 * not to intellectual property embodied in modifications its licensee may
68 * 3.3. Redistribution of Executable. Redistribution in executable form of any
69 * substantial portion of the Covered Code or modification must reproduce the
70 * above Copyright Notice, and the following Disclaimer and Export Compliance
71 * provision in the documentation and/or other materials provided with the
74 * 3.4. Intel retains all right, title, and interest in and to the Original
77 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
78 * Intel shall be used in advertising or otherwise to promote the sale, use or
79 * other dealings in products derived from or relating to the Covered Code
80 * without prior written authorization from Intel.
82 * 4. Disclaimer and Export Compliance
84 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
85 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
86 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
87 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
88 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
89 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
92 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
93 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
94 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
95 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
96 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
97 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
98 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
101 * 4.3. Licensee shall not export, either directly or indirectly, any of this
102 * software or system incorporating such software without first obtaining any
103 * required license or other approval from the U. S. Department of Commerce or
104 * any other agency or department of the United States Government. In the
105 * event Licensee exports any such software from the United States or
106 * re-exports any such software from a foreign destination, Licensee shall
107 * ensure that the distribution and export/re-export of the software is in
108 * compliance with all laws, regulations, orders, or other restrictions of the
109 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
110 * any of its subsidiaries will export/re-export any technical data, process,
111 * software, or service, directly or indirectly, to any country for which the
112 * United States government or any agency thereof requires an export license,
113 * other governmental approval, or letter of assurance, without first obtaining
114 * such license, approval or letter.
116 *****************************************************************************/
121 /******************************************************************************
123 * FUNCTION: AsRemoveStatement
125 * DESCRIPTION: Remove all statements that contain the given keyword.
126 * Limitations: Removes text from the start of the line that
127 * contains the keyword to the next semicolon. Currently
128 * doesn't ignore comments.
130 ******************************************************************************/
143 KeywordLength = strlen (Keyword);
150 SubString = strstr (SubBuffer, Keyword);
154 SubBuffer = SubString;
156 if ((Type == REPLACE_WHOLE_WORD) &&
157 (!AsMatchExactWord (SubString, KeywordLength)))
163 /* Find start of this line */
165 while (*SubString != '\n')
171 /* Find end of this statement */
173 SubBuffer = AsSkipPastChar (SubBuffer, ';');
179 /* Find end of this line */
181 SubBuffer = AsSkipPastChar (SubBuffer, '\n');
187 /* If next line is blank, remove it too */
189 if (*SubBuffer == '\n')
194 /* Remove the lines */
196 SubBuffer = AsRemoveData (SubString, SubBuffer);
202 /******************************************************************************
204 * FUNCTION: AsRemoveConditionalCompile
206 * DESCRIPTION: Remove a "#ifdef" statement, and all text that it encompasses.
207 * Limitations: cannot handle nested ifdefs.
209 ******************************************************************************/
212 AsRemoveConditionalCompile (
225 KeywordLength = strlen (Keyword);
232 SubBuffer = strstr (SubString, Keyword);
239 * Check for translation escape string -- means to ignore
240 * blocks of code while replacing
242 Comment = strstr (SubString, "/*!");
245 (Comment < SubBuffer))
247 SubString = strstr (Comment, "!*/");
257 /* Check for ordinary comment */
259 Comment = strstr (SubString, "/*");
262 (Comment < SubBuffer))
264 SubString = strstr (Comment, "*/");
274 SubString = SubBuffer;
275 if (!AsMatchExactWord (SubString, KeywordLength))
281 /* Find start of this line */
283 while (*SubString != '\n' && (SubString > Buffer))
289 /* Find the "#ifxxxx" */
291 IfPtr = strstr (SubString, "#if");
297 if (IfPtr > SubBuffer)
299 /* Not the right #if */
301 SubString = SubBuffer + strlen (Keyword);
305 /* Find closing #endif or #else */
307 EndifPtr = strstr (SubBuffer, "#endif");
310 /* There has to be an #endif */
315 ElsePtr = strstr (SubBuffer, "#else");
317 (EndifPtr > ElsePtr))
319 /* This #ifdef contains an #else clause */
320 /* Find end of this line */
322 SubBuffer = AsSkipPastChar (ElsePtr, '\n');
328 /* Remove the #ifdef .... #else code */
330 AsRemoveData (SubString, SubBuffer);
332 /* Next, we will remove the #endif statement */
334 EndifPtr = strstr (SubString, "#endif");
337 /* There has to be an #endif */
342 SubString = EndifPtr;
345 /* Remove the ... #endif part */
346 /* Find end of this line */
348 SubBuffer = AsSkipPastChar (EndifPtr, '\n');
354 /* Remove the lines */
356 SubBuffer = AsRemoveData (SubString, SubBuffer);
361 /******************************************************************************
363 * FUNCTION: AsRemoveMacro
365 * DESCRIPTION: Remove every line that contains the keyword. Does not
368 ******************************************************************************/
386 SubString = strstr (SubBuffer, Keyword);
390 SubBuffer = SubString;
392 /* Find start of the macro parameters */
394 while (*SubString != '(')
400 /* Remove the macro name and opening paren */
402 SubString = AsRemoveData (SubBuffer, SubString);
407 if (*SubString == '(')
411 else if (*SubString == ')')
424 /* Remove the closing paren */
426 SubBuffer = AsRemoveData (SubString-1, SubString);
432 /******************************************************************************
434 * FUNCTION: AsRemoveLine
436 * DESCRIPTION: Remove every line that contains the keyword. Does not
439 ******************************************************************************/
456 SubString = strstr (SubBuffer, Keyword);
460 SubBuffer = SubString;
462 /* Find start of this line */
464 while (*SubString != '\n')
470 /* Find end of this line */
472 SubBuffer = AsSkipPastChar (SubBuffer, '\n');
478 /* Remove the line */
480 SubBuffer = AsRemoveData (SubString, SubBuffer);
486 /******************************************************************************
488 * FUNCTION: AsReduceTypedefs
490 * DESCRIPTION: Eliminate certain typedefs
492 ******************************************************************************/
510 SubString = strstr (SubBuffer, Keyword);
514 /* Remove the typedef itself */
516 SubBuffer = SubString + strlen ("typedef") + 1;
517 SubBuffer = AsRemoveData (SubString, SubBuffer);
519 /* Find the opening brace of the struct or union */
521 while (*SubString != '{')
527 /* Find the closing brace. Handles nested braces */
532 if (*SubString == '{')
536 else if (*SubString == '}')
549 /* Remove an extra line feed if present */
551 if (!strncmp (SubString - 3, "\n\n", 2))
553 *(SubString -2) = '}';
557 /* Find the end of the typedef name */
559 SubBuffer = AsSkipUntilChar (SubString, ';');
561 /* And remove the typedef name */
563 SubBuffer = AsRemoveData (SubString, SubBuffer);
569 /******************************************************************************
571 * FUNCTION: AsRemoveEmptyBlocks
573 * DESCRIPTION: Remove any C blocks (e.g., if {}) that contain no code. This
574 * can happen as a result of removing lines such as DEBUG_PRINT.
576 ******************************************************************************/
579 AsRemoveEmptyBlocks (
585 BOOLEAN EmptyBlock = TRUE;
586 BOOLEAN AnotherPassRequired = TRUE;
587 UINT32 BlockCount = 0;
590 while (AnotherPassRequired)
593 AnotherPassRequired = FALSE;
597 if (*SubBuffer == '{')
599 BlockStart = SubBuffer;
603 while (*SubBuffer != '}')
605 if ((*SubBuffer != ' ') &&
606 (*SubBuffer != '\n'))
616 /* Find start of the first line of the block */
618 while (*BlockStart != '\n')
623 /* Find end of the last line of the block */
625 SubBuffer = AsSkipUntilChar (SubBuffer, '\n');
631 /* Remove the block */
633 SubBuffer = AsRemoveData (BlockStart, SubBuffer);
635 AnotherPassRequired = TRUE;
646 Gbl_MadeChanges = TRUE;
647 AsPrint ("Code blocks deleted", BlockCount, Filename);
652 /******************************************************************************
654 * FUNCTION: AsRemoveDebugMacros
656 * DESCRIPTION: Remove all "Debug" macros -- macros that produce debug output.
658 ******************************************************************************/
661 AsRemoveDebugMacros (
664 AsRemoveConditionalCompile (Buffer, "ACPI_DEBUG_OUTPUT");
666 AsRemoveStatement (Buffer, "ACPI_DEBUG_PRINT", REPLACE_WHOLE_WORD);
667 AsRemoveStatement (Buffer, "ACPI_DEBUG_PRINT_RAW", REPLACE_WHOLE_WORD);
668 AsRemoveStatement (Buffer, "DEBUG_EXEC", REPLACE_WHOLE_WORD);
669 AsRemoveStatement (Buffer, "FUNCTION_ENTRY", REPLACE_WHOLE_WORD);
670 AsRemoveStatement (Buffer, "PROC_NAME", REPLACE_WHOLE_WORD);
671 AsRemoveStatement (Buffer, "FUNCTION_TRACE", REPLACE_SUBSTRINGS);
672 AsRemoveStatement (Buffer, "DUMP_", REPLACE_SUBSTRINGS);
674 AsReplaceString ("return_VOID", "return", REPLACE_WHOLE_WORD, Buffer);
675 AsReplaceString ("return_PTR", "return", REPLACE_WHOLE_WORD, Buffer);
676 AsReplaceString ("return_ACPI_STATUS", "return", REPLACE_WHOLE_WORD, Buffer);
677 AsReplaceString ("return_acpi_status", "return", REPLACE_WHOLE_WORD, Buffer);
678 AsReplaceString ("return_VALUE", "return", REPLACE_WHOLE_WORD, Buffer);