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