forked from KolibriOS/kolibrios
689 lines
20 KiB
C
689 lines
20 KiB
C
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/******************************************************************************
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*
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* Module Name: asremove - Source conversion - removal functions
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*
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*****************************************************************************/
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/******************************************************************************
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*
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* 1. Copyright Notice
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*
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* Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
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* All rights reserved.
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*
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* 2. License
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*
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* 2.1. This is your license from Intel Corp. under its intellectual property
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* rights. You may have additional license terms from the party that provided
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* you this software, covering your right to use that party's intellectual
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* property rights.
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*
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* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
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* copy of the source code appearing in this file ("Covered Code") an
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* irrevocable, perpetual, worldwide license under Intel's copyrights in the
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* base code distributed originally by Intel ("Original Intel Code") to copy,
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* make derivatives, distribute, use and display any portion of the Covered
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* Code in any form, with the right to sublicense such rights; and
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*
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* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
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* license (with the right to sublicense), under only those claims of Intel
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* patents that are infringed by the Original Intel Code, to make, use, sell,
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* offer to sell, and import the Covered Code and derivative works thereof
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* solely to the minimum extent necessary to exercise the above copyright
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* license, and in no event shall the patent license extend to any additions
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* to or modifications of the Original Intel Code. No other license or right
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* is granted directly or by implication, estoppel or otherwise;
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*
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* The above copyright and patent license is granted only if the following
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* conditions are met:
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*
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* 3. Conditions
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*
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* 3.1. Redistribution of Source with Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification with rights to further distribute source must include
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* the above Copyright Notice, the above License, this list of Conditions,
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* and the following Disclaimer and Export Compliance provision. In addition,
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* Licensee must cause all Covered Code to which Licensee contributes to
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* contain a file documenting the changes Licensee made to create that Covered
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* Code and the date of any change. Licensee must include in that file the
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* documentation of any changes made by any predecessor Licensee. Licensee
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* must include a prominent statement that the modification is derived,
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* directly or indirectly, from Original Intel Code.
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*
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* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification without rights to further distribute source must
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* include the following Disclaimer and Export Compliance provision in the
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* documentation and/or other materials provided with distribution. In
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* addition, Licensee may not authorize further sublicense of source of any
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* portion of the Covered Code, and must include terms to the effect that the
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* license from Licensee to its licensee is limited to the intellectual
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* property embodied in the software Licensee provides to its licensee, and
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* not to intellectual property embodied in modifications its licensee may
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* make.
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*
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* 3.3. Redistribution of Executable. Redistribution in executable form of any
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* substantial portion of the Covered Code or modification must reproduce the
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* above Copyright Notice, and the following Disclaimer and Export Compliance
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* provision in the documentation and/or other materials provided with the
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* distribution.
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*
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* 3.4. Intel retains all right, title, and interest in and to the Original
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* Intel Code.
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*
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* 3.5. Neither the name Intel nor any other trademark owned or controlled by
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* Intel shall be used in advertising or otherwise to promote the sale, use or
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* other dealings in products derived from or relating to the Covered Code
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* without prior written authorization from Intel.
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*
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* 4. Disclaimer and Export Compliance
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*
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* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
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* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
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* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
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* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
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* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
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* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
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* PARTICULAR PURPOSE.
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*
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* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
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* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
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* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
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* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
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* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
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* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
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* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
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* LIMITED REMEDY.
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*
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* 4.3. Licensee shall not export, either directly or indirectly, any of this
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* software or system incorporating such software without first obtaining any
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* required license or other approval from the U. S. Department of Commerce or
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* any other agency or department of the United States Government. In the
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* event Licensee exports any such software from the United States or
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* re-exports any such software from a foreign destination, Licensee shall
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* ensure that the distribution and export/re-export of the software is in
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* compliance with all laws, regulations, orders, or other restrictions of the
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* U.S. Export Administration Regulations. Licensee agrees that neither it nor
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* any of its subsidiaries will export/re-export any technical data, process,
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* software, or service, directly or indirectly, to any country for which the
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* United States government or any agency thereof requires an export license,
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* other governmental approval, or letter of assurance, without first obtaining
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* such license, approval or letter.
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*
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*****************************************************************************/
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#include "acpisrc.h"
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/* Local prototypes */
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void
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AsRemoveStatement (
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char *Buffer,
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char *Keyword,
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UINT32 Type);
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/******************************************************************************
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*
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* FUNCTION: AsRemoveStatement
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*
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* DESCRIPTION: Remove all statements that contain the given keyword.
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* Limitations: Removes text from the start of the line that
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* contains the keyword to the next semicolon. Currently
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* doesn't ignore comments.
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*
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******************************************************************************/
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void
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AsRemoveStatement (
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char *Buffer,
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char *Keyword,
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UINT32 Type)
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{
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char *SubString;
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char *SubBuffer;
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int KeywordLength;
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KeywordLength = strlen (Keyword);
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SubBuffer = Buffer;
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SubString = Buffer;
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while (SubString)
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{
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SubString = strstr (SubBuffer, Keyword);
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if (SubString)
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{
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SubBuffer = SubString;
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if ((Type == REPLACE_WHOLE_WORD) &&
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(!AsMatchExactWord (SubString, KeywordLength)))
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{
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SubBuffer++;
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continue;
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}
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/* Find start of this line */
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while (*SubString != '\n')
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{
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SubString--;
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}
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SubString++;
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/* Find end of this statement */
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SubBuffer = AsSkipPastChar (SubBuffer, ';');
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if (!SubBuffer)
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{
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return;
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}
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/* Find end of this line */
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SubBuffer = AsSkipPastChar (SubBuffer, '\n');
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if (!SubBuffer)
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{
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return;
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}
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/* If next line is blank, remove it too */
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if (*SubBuffer == '\n')
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{
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SubBuffer++;
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}
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/* Remove the lines */
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SubBuffer = AsRemoveData (SubString, SubBuffer);
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}
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}
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}
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/******************************************************************************
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*
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* FUNCTION: AsRemoveConditionalCompile
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*
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* DESCRIPTION: Remove a "#ifdef" statement, and all text that it encompasses.
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* Limitations: cannot handle nested ifdefs.
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*
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******************************************************************************/
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void
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AsRemoveConditionalCompile (
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char *Buffer,
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char *Keyword)
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{
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char *SubString;
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char *SubBuffer;
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char *IfPtr;
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char *EndifPtr;
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char *ElsePtr;
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char *Comment;
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int KeywordLength;
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KeywordLength = strlen (Keyword);
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SubBuffer = Buffer;
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SubString = Buffer;
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while (SubString)
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{
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SubBuffer = strstr (SubString, Keyword);
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if (!SubBuffer)
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{
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return;
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}
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/*
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* Check for translation escape string -- means to ignore
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* blocks of code while replacing
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*/
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Comment = strstr (SubString, AS_START_IGNORE);
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if ((Comment) &&
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(Comment < SubBuffer))
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{
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SubString = strstr (Comment, AS_STOP_IGNORE);
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if (!SubString)
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{
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return;
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}
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SubString += 3;
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continue;
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}
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/* Check for ordinary comment */
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Comment = strstr (SubString, "/*");
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if ((Comment) &&
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(Comment < SubBuffer))
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{
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SubString = strstr (Comment, "*/");
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if (!SubString)
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{
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return;
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}
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SubString += 2;
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continue;
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}
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SubString = SubBuffer;
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if (!AsMatchExactWord (SubString, KeywordLength))
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{
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SubString++;
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continue;
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}
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/* Find start of this line */
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while (*SubString != '\n' && (SubString > Buffer))
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{
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SubString--;
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}
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SubString++;
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/* Find the "#ifxxxx" */
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IfPtr = strstr (SubString, "#if");
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if (!IfPtr)
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{
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return;
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}
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if (IfPtr > SubBuffer)
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{
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/* Not the right #if */
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SubString = SubBuffer + strlen (Keyword);
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continue;
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}
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/* Find closing #endif or #else */
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EndifPtr = strstr (SubBuffer, "#endif");
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if (!EndifPtr)
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{
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/* There has to be an #endif */
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return;
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}
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ElsePtr = strstr (SubBuffer, "#else");
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if ((ElsePtr) &&
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(EndifPtr > ElsePtr))
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{
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/* This #ifdef contains an #else clause */
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/* Find end of this line */
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SubBuffer = AsSkipPastChar (ElsePtr, '\n');
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if (!SubBuffer)
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{
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return;
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}
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/* Remove the #ifdef .... #else code */
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AsRemoveData (SubString, SubBuffer);
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/* Next, we will remove the #endif statement */
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EndifPtr = strstr (SubString, "#endif");
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if (!EndifPtr)
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{
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/* There has to be an #endif */
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return;
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}
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SubString = EndifPtr;
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}
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/* Remove the ... #endif part */
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/* Find end of this line */
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SubBuffer = AsSkipPastChar (EndifPtr, '\n');
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if (!SubBuffer)
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{
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return;
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}
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/* Remove the lines */
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SubBuffer = AsRemoveData (SubString, SubBuffer);
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}
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}
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/******************************************************************************
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*
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* FUNCTION: AsRemoveMacro
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*
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* DESCRIPTION: Remove every line that contains the keyword. Does not
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* skip comments.
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*
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******************************************************************************/
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void
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AsRemoveMacro (
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char *Buffer,
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char *Keyword)
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{
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char *SubString;
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char *SubBuffer;
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int NestLevel;
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SubBuffer = Buffer;
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SubString = Buffer;
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while (SubString)
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{
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SubString = strstr (SubBuffer, Keyword);
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if (SubString)
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{
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SubBuffer = SubString;
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/* Find start of the macro parameters */
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while (*SubString != '(')
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{
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SubString++;
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}
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SubString++;
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/* Remove the macro name and opening paren */
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SubString = AsRemoveData (SubBuffer, SubString);
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NestLevel = 1;
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while (*SubString)
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{
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if (*SubString == '(')
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{
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NestLevel++;
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}
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else if (*SubString == ')')
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{
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NestLevel--;
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}
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SubString++;
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if (NestLevel == 0)
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{
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break;
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}
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}
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/* Remove the closing paren */
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SubBuffer = AsRemoveData (SubString-1, SubString);
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}
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}
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}
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/******************************************************************************
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*
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* FUNCTION: AsRemoveLine
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*
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* DESCRIPTION: Remove every line that contains the keyword. Does not
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* skip comments.
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*
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******************************************************************************/
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void
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AsRemoveLine (
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char *Buffer,
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char *Keyword)
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{
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char *SubString;
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char *SubBuffer;
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SubBuffer = Buffer;
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SubString = Buffer;
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while (SubString)
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{
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SubString = strstr (SubBuffer, Keyword);
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if (SubString)
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{
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SubBuffer = SubString;
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/* Find start of this line */
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while (*SubString != '\n')
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{
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SubString--;
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}
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SubString++;
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/* Find end of this line */
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SubBuffer = AsSkipPastChar (SubBuffer, '\n');
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if (!SubBuffer)
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{
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return;
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}
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/* Remove the line */
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SubBuffer = AsRemoveData (SubString, SubBuffer);
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}
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}
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}
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/******************************************************************************
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*
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* FUNCTION: AsReduceTypedefs
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*
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* DESCRIPTION: Eliminate certain typedefs
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*
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******************************************************************************/
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void
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AsReduceTypedefs (
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char *Buffer,
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char *Keyword)
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{
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char *SubString;
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char *SubBuffer;
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int NestLevel;
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SubBuffer = Buffer;
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SubString = Buffer;
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while (SubString)
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{
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SubString = strstr (SubBuffer, Keyword);
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if (SubString)
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{
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/* Remove the typedef itself */
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SubBuffer = SubString + strlen ("typedef") + 1;
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SubBuffer = AsRemoveData (SubString, SubBuffer);
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/* Find the opening brace of the struct or union */
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while (*SubString != '{')
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{
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SubString++;
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}
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SubString++;
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/* Find the closing brace. Handles nested braces */
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NestLevel = 1;
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while (*SubString)
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{
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if (*SubString == '{')
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{
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NestLevel++;
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}
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else if (*SubString == '}')
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{
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NestLevel--;
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}
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SubString++;
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if (NestLevel == 0)
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{
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break;
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}
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}
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/* Remove an extra line feed if present */
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if (!strncmp (SubString - 3, "\n\n", 2))
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{
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*(SubString -2) = '}';
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SubString--;
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}
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/* Find the end of the typedef name */
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SubBuffer = AsSkipUntilChar (SubString, ';');
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/* And remove the typedef name */
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SubBuffer = AsRemoveData (SubString, SubBuffer);
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}
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}
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}
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/******************************************************************************
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*
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* FUNCTION: AsRemoveEmptyBlocks
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*
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* DESCRIPTION: Remove any C blocks (e.g., if {}) that contain no code. This
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* can happen as a result of removing lines such as DEBUG_PRINT.
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*
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******************************************************************************/
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void
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AsRemoveEmptyBlocks (
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char *Buffer,
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char *Filename)
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{
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char *SubBuffer;
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char *BlockStart;
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BOOLEAN EmptyBlock = TRUE;
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BOOLEAN AnotherPassRequired = TRUE;
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UINT32 BlockCount = 0;
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|
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while (AnotherPassRequired)
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{
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SubBuffer = Buffer;
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AnotherPassRequired = FALSE;
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while (*SubBuffer)
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{
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if (*SubBuffer == '{')
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{
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BlockStart = SubBuffer;
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EmptyBlock = TRUE;
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SubBuffer++;
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while (*SubBuffer != '}')
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{
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if ((*SubBuffer != ' ') &&
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(*SubBuffer != '\n'))
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{
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EmptyBlock = FALSE;
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break;
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}
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SubBuffer++;
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}
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if (EmptyBlock)
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{
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/* Find start of the first line of the block */
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|
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while (*BlockStart != '\n')
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{
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BlockStart--;
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}
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|
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/* Find end of the last line of the block */
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SubBuffer = AsSkipUntilChar (SubBuffer, '\n');
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if (!SubBuffer)
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{
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break;
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}
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/* Remove the block */
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SubBuffer = AsRemoveData (BlockStart, SubBuffer);
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BlockCount++;
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AnotherPassRequired = TRUE;
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|
continue;
|
|
}
|
|
}
|
|
|
|
SubBuffer++;
|
|
}
|
|
}
|
|
|
|
if (BlockCount)
|
|
{
|
|
Gbl_MadeChanges = TRUE;
|
|
AsPrint ("Code blocks deleted", BlockCount, Filename);
|
|
}
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
*
|
|
* FUNCTION: AsRemoveDebugMacros
|
|
*
|
|
* DESCRIPTION: Remove all "Debug" macros -- macros that produce debug output.
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
AsRemoveDebugMacros (
|
|
char *Buffer)
|
|
{
|
|
AsRemoveConditionalCompile (Buffer, "ACPI_DEBUG_OUTPUT");
|
|
|
|
AsRemoveStatement (Buffer, "ACPI_DEBUG_PRINT", REPLACE_WHOLE_WORD);
|
|
AsRemoveStatement (Buffer, "ACPI_DEBUG_PRINT_RAW", REPLACE_WHOLE_WORD);
|
|
AsRemoveStatement (Buffer, "DEBUG_EXEC", REPLACE_WHOLE_WORD);
|
|
AsRemoveStatement (Buffer, "FUNCTION_ENTRY", REPLACE_WHOLE_WORD);
|
|
AsRemoveStatement (Buffer, "PROC_NAME", REPLACE_WHOLE_WORD);
|
|
AsRemoveStatement (Buffer, "FUNCTION_TRACE", REPLACE_SUBSTRINGS);
|
|
AsRemoveStatement (Buffer, "DUMP_", REPLACE_SUBSTRINGS);
|
|
|
|
AsReplaceString ("return_VOID", "return", REPLACE_WHOLE_WORD, Buffer);
|
|
AsReplaceString ("return_PTR", "return", REPLACE_WHOLE_WORD, Buffer);
|
|
AsReplaceString ("return_ACPI_STATUS", "return", REPLACE_WHOLE_WORD, Buffer);
|
|
AsReplaceString ("return_acpi_status", "return", REPLACE_WHOLE_WORD, Buffer);
|
|
AsReplaceString ("return_VALUE", "return", REPLACE_WHOLE_WORD, Buffer);
|
|
}
|
|
|
|
|