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kolibrios-gitea/drivers/devman/acpica/tools/acpisrc/asfile.c

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acpica library git-svn-id: svn://kolibrios.org@1498 a494cfbc-eb01-0410-851d-a64ba20cac60
2010-06-18 16:39:07 +02:00
/******************************************************************************
*
* Module Name: asfile - Main module for the acpi source processor utility
*
*****************************************************************************/
/******************************************************************************
*
* 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
AsDoWildcard (
ACPI_CONVERSION_TABLE *ConversionTable,
char *SourcePath,
char *TargetPath,
int MaxPathLength,
int FileType,
char *WildcardSpec);
BOOLEAN
AsDetectLoneLineFeeds (
char *Filename,
char *Buffer);
static inline int
AsMaxInt (int a, int b)
{
return (a > b ? a : b);
}
/******************************************************************************
*
* FUNCTION: AsDoWildcard
*
* DESCRIPTION: Process files via wildcards
*
******************************************************************************/
void
AsDoWildcard (
ACPI_CONVERSION_TABLE *ConversionTable,
char *SourcePath,
char *TargetPath,
int MaxPathLength,
int FileType,
char *WildcardSpec)
{
void *DirInfo;
char *Filename;
char *SourceDirPath;
char *TargetDirPath;
char RequestedFileType;
if (FileType == FILE_TYPE_DIRECTORY)
{
RequestedFileType = REQUEST_DIR_ONLY;
}
else
{
RequestedFileType = REQUEST_FILE_ONLY;
}
VERBOSE_PRINT (("Checking for %s source files in directory \"%s\"\n",
WildcardSpec, SourcePath));
/* Open the directory for wildcard search */
DirInfo = AcpiOsOpenDirectory (SourcePath, WildcardSpec, RequestedFileType);
if (DirInfo)
{
/*
* Get all of the files that match both the
* wildcard and the requested file type
*/
while ((Filename = AcpiOsGetNextFilename (DirInfo)))
{
/* Looking for directory files, must check file type */
switch (RequestedFileType)
{
case REQUEST_DIR_ONLY:
/* If we actually have a dir, process the subtree */
if (!AsCheckForDirectory (SourcePath, TargetPath, Filename,
&SourceDirPath, &TargetDirPath))
{
VERBOSE_PRINT (("Subdirectory: %s\n", Filename));
AsProcessTree (ConversionTable, SourceDirPath, TargetDirPath);
free (SourceDirPath);
free (TargetDirPath);
}
break;
case REQUEST_FILE_ONLY:
/* Otherwise, this is a file, not a directory */
VERBOSE_PRINT (("File: %s\n", Filename));
AsProcessOneFile (ConversionTable, SourcePath, TargetPath,
MaxPathLength, Filename, FileType);
break;
default:
break;
}
}
/* Cleanup */
AcpiOsCloseDirectory (DirInfo);
}
}
/******************************************************************************
*
* FUNCTION: AsProcessTree
*
* DESCRIPTION: Process the directory tree. Files with the extension ".C" and
* ".H" are processed as the tree is traversed.
*
******************************************************************************/
ACPI_NATIVE_INT
AsProcessTree (
ACPI_CONVERSION_TABLE *ConversionTable,
char *SourcePath,
char *TargetPath)
{
int MaxPathLength;
MaxPathLength = AsMaxInt (strlen (SourcePath), strlen (TargetPath));
if (!(ConversionTable->Flags & FLG_NO_FILE_OUTPUT))
{
if (ConversionTable->Flags & FLG_LOWERCASE_DIRNAMES)
{
strlwr (TargetPath);
}
VERBOSE_PRINT (("Creating Directory \"%s\"\n", TargetPath));
if (mkdir (TargetPath))
{
if (errno != EEXIST)
{
printf ("Could not create target directory\n");
return -1;
}
}
}
/* Do the C source files */
AsDoWildcard (ConversionTable, SourcePath, TargetPath, MaxPathLength,
FILE_TYPE_SOURCE, "*.c");
/* Do the C header files */
AsDoWildcard (ConversionTable, SourcePath, TargetPath, MaxPathLength,
FILE_TYPE_HEADER, "*.h");
/* Do the Lex file(s) */
AsDoWildcard (ConversionTable, SourcePath, TargetPath, MaxPathLength,
FILE_TYPE_SOURCE, "*.l");
/* Do the yacc file(s) */
AsDoWildcard (ConversionTable, SourcePath, TargetPath, MaxPathLength,
FILE_TYPE_SOURCE, "*.y");
/* Do any ASL files */
AsDoWildcard (ConversionTable, SourcePath, TargetPath, MaxPathLength,
FILE_TYPE_HEADER, "*.asl");
/* Do any subdirectories */
AsDoWildcard (ConversionTable, SourcePath, TargetPath, MaxPathLength,
FILE_TYPE_DIRECTORY, "*");
return 0;
}
/******************************************************************************
*
* FUNCTION: AsDetectLoneLineFeeds
*
* DESCRIPTION: Find LF without CR.
*
******************************************************************************/
BOOLEAN
AsDetectLoneLineFeeds (
char *Filename,
char *Buffer)
{
UINT32 i = 1;
UINT32 LfCount = 0;
UINT32 LineCount = 0;
if (!Buffer[0])
{
return FALSE;
}
while (Buffer[i])
{
if (Buffer[i] == 0x0A)
{
if (Buffer[i-1] != 0x0D)
{
LfCount++;
}
LineCount++;
}
i++;
}
if (LfCount)
{
if (LineCount == LfCount)
{
if (!Gbl_IgnoreLoneLineFeeds)
{
printf ("%s: ****File has UNIX format**** (LF only, not CR/LF) %u lines\n",
Filename, LfCount);
}
}
else
{
printf ("%s: %u lone linefeeds in file\n", Filename, LfCount);
}
return TRUE;
}
return (FALSE);
}
/******************************************************************************
*
* FUNCTION: AsConvertFile
*
* DESCRIPTION: Perform the requested transforms on the file buffer (as
* determined by the ConversionTable and the FileType).
*
******************************************************************************/
void
AsConvertFile (
ACPI_CONVERSION_TABLE *ConversionTable,
char *FileBuffer,
char *Filename,
ACPI_NATIVE_INT FileType)
{
UINT32 i;
UINT32 Functions;
ACPI_STRING_TABLE *StringTable;
ACPI_IDENTIFIER_TABLE *ConditionalTable;
ACPI_IDENTIFIER_TABLE *LineTable;
ACPI_IDENTIFIER_TABLE *MacroTable;
ACPI_TYPED_IDENTIFIER_TABLE *StructTable;
switch (FileType)
{
case FILE_TYPE_SOURCE:
Functions = ConversionTable->SourceFunctions;
StringTable = ConversionTable->SourceStringTable;
LineTable = ConversionTable->SourceLineTable;
ConditionalTable = ConversionTable->SourceConditionalTable;
MacroTable = ConversionTable->SourceMacroTable;
StructTable = ConversionTable->SourceStructTable;
break;
case FILE_TYPE_HEADER:
Functions = ConversionTable->HeaderFunctions;
StringTable = ConversionTable->HeaderStringTable;
LineTable = ConversionTable->HeaderLineTable;
ConditionalTable = ConversionTable->HeaderConditionalTable;
MacroTable = ConversionTable->HeaderMacroTable;
StructTable = ConversionTable->HeaderStructTable;
break;
default:
printf ("Unknown file type, cannot process\n");
return;
}
Gbl_StructDefs = strstr (FileBuffer, "/* acpisrc:StructDefs");
Gbl_Files++;
VERBOSE_PRINT (("Processing %u bytes\n", strlen (FileBuffer)));
if (ConversionTable->LowerCaseTable)
{
for (i = 0; ConversionTable->LowerCaseTable[i].Identifier; i++)
{
AsLowerCaseString (ConversionTable->LowerCaseTable[i].Identifier,
FileBuffer);
}
}
/* Process all the string replacements */
if (StringTable)
{
for (i = 0; StringTable[i].Target; i++)
{
AsReplaceString (StringTable[i].Target, StringTable[i].Replacement,
StringTable[i].Type, FileBuffer);
}
}
if (LineTable)
{
for (i = 0; LineTable[i].Identifier; i++)
{
AsRemoveLine (FileBuffer, LineTable[i].Identifier);
}
}
if (ConditionalTable)
{
for (i = 0; ConditionalTable[i].Identifier; i++)
{
AsRemoveConditionalCompile (FileBuffer, ConditionalTable[i].Identifier);
}
}
if (MacroTable)
{
for (i = 0; MacroTable[i].Identifier; i++)
{
AsRemoveMacro (FileBuffer, MacroTable[i].Identifier);
}
}
if (StructTable)
{
for (i = 0; StructTable[i].Identifier; i++)
{
AsInsertPrefix (FileBuffer, StructTable[i].Identifier, StructTable[i].Type);
}
}
/* Process the function table */
for (i = 0; i < 32; i++)
{
/* Decode the function bitmap */
switch ((1 << i) & Functions)
{
case 0:
/* This function not configured */
break;
case CVT_COUNT_TABS:
AsCountTabs (FileBuffer, Filename);
break;
case CVT_COUNT_NON_ANSI_COMMENTS:
AsCountNonAnsiComments (FileBuffer, Filename);
break;
case CVT_CHECK_BRACES:
AsCheckForBraces (FileBuffer, Filename);
break;
case CVT_TRIM_LINES:
AsTrimLines (FileBuffer, Filename);
break;
case CVT_COUNT_LINES:
AsCountSourceLines (FileBuffer, Filename);
break;
case CVT_BRACES_ON_SAME_LINE:
AsBracesOnSameLine (FileBuffer);
break;
case CVT_MIXED_CASE_TO_UNDERSCORES:
AsMixedCaseToUnderscores (FileBuffer);
break;
case CVT_LOWER_CASE_IDENTIFIERS:
AsLowerCaseIdentifiers (FileBuffer);
break;
case CVT_REMOVE_DEBUG_MACROS:
AsRemoveDebugMacros (FileBuffer);
break;
case CVT_TRIM_WHITESPACE:
AsTrimWhitespace (FileBuffer);
break;
case CVT_REMOVE_EMPTY_BLOCKS:
AsRemoveEmptyBlocks (FileBuffer, Filename);
break;
case CVT_REDUCE_TYPEDEFS:
AsReduceTypedefs (FileBuffer, "typedef union");
AsReduceTypedefs (FileBuffer, "typedef struct");
break;
case CVT_SPACES_TO_TABS4:
AsTabify4 (FileBuffer);
break;
case CVT_SPACES_TO_TABS8:
AsTabify8 (FileBuffer);
break;
case CVT_COUNT_SHORTMULTILINE_COMMENTS:
#ifdef ACPI_FUTURE_IMPLEMENTATION
AsTrimComments (FileBuffer, Filename);
#endif
break;
default:
printf ("Unknown conversion subfunction opcode\n");
break;
}
}
if (ConversionTable->NewHeader)
{
AsReplaceHeader (FileBuffer, ConversionTable->NewHeader);
}
}
/******************************************************************************
*
* FUNCTION: AsProcessOneFile
*
* DESCRIPTION: Process one source file. The file is opened, read entirely
* into a buffer, converted, then written to a new file.
*
******************************************************************************/
ACPI_NATIVE_INT
AsProcessOneFile (
ACPI_CONVERSION_TABLE *ConversionTable,
char *SourcePath,
char *TargetPath,
int MaxPathLength,
char *Filename,
ACPI_NATIVE_INT FileType)
{
char *Pathname;
char *OutPathname = NULL;
/* Allocate a file pathname buffer for both source and target */
Pathname = calloc (MaxPathLength + strlen (Filename) + 2, 1);
if (!Pathname)
{
printf ("Could not allocate buffer for file pathnames\n");
return -1;
}
Gbl_FileType = FileType;
/* Generate the source pathname and read the file */
if (SourcePath)
{
strcpy (Pathname, SourcePath);
strcat (Pathname, "/");
}
strcat (Pathname, Filename);
if (AsGetFile (Pathname, &Gbl_FileBuffer, &Gbl_FileSize))
{
return -1;
}
Gbl_HeaderSize = 0;
if (strstr (Filename, ".asl"))
{
Gbl_HeaderSize = LINES_IN_ASL_HEADER; /* Lines in default ASL header */
}
else if (strstr (Gbl_FileBuffer, LEGAL_HEADER_SIGNATURE))
{
Gbl_HeaderSize = LINES_IN_LEGAL_HEADER; /* Normal C file and H header */
}
else if (strstr (Gbl_FileBuffer, LINUX_HEADER_SIGNATURE))
{
Gbl_HeaderSize = LINES_IN_LINUX_HEADER; /* Linuxized C file and H header */
}
/* Process the file in the buffer */
Gbl_MadeChanges = FALSE;
if (!Gbl_IgnoreLoneLineFeeds && Gbl_HasLoneLineFeeds)
{
/*
* All lone LFs will be converted to CR/LF
* (when file is written, Windows version only)
*/
printf ("Converting lone linefeeds\n");
Gbl_MadeChanges = TRUE;
}
AsConvertFile (ConversionTable, Gbl_FileBuffer, Pathname, FileType);
if (!(ConversionTable->Flags & FLG_NO_FILE_OUTPUT))
{
if (!(Gbl_Overwrite && !Gbl_MadeChanges))
{
/* Generate the target pathname and write the file */
OutPathname = calloc (MaxPathLength + strlen (Filename) + 2 + strlen (TargetPath), 1);
if (!OutPathname)
{
printf ("Could not allocate buffer for file pathnames\n");
return -1;
}
strcpy (OutPathname, TargetPath);
if (SourcePath)
{
strcat (OutPathname, "/");
strcat (OutPathname, Filename);
}
AsPutFile (OutPathname, Gbl_FileBuffer, ConversionTable->Flags);
}
}
free (Gbl_FileBuffer);
free (Pathname);
if (OutPathname)
{
free (OutPathname);
}
return 0;
}
/******************************************************************************
*
* FUNCTION: AsCheckForDirectory
*
* DESCRIPTION: Check if the current file is a valid directory. If not,
* construct the full pathname for the source and target paths.
* Checks for the dot and dot-dot files (they are ignored)
*
******************************************************************************/
ACPI_NATIVE_INT
AsCheckForDirectory (
char *SourceDirPath,
char *TargetDirPath,
char *Filename,
char **SourcePath,
char **TargetPath)
{
char *SrcPath;
char *TgtPath;
if (!(strcmp (Filename, ".")) ||
!(strcmp (Filename, "..")))
{
return -1;
}
SrcPath = calloc (strlen (SourceDirPath) + strlen (Filename) + 2, 1);
if (!SrcPath)
{
printf ("Could not allocate buffer for directory source pathname\n");
return -1;
}
TgtPath = calloc (strlen (TargetDirPath) + strlen (Filename) + 2, 1);
if (!TgtPath)
{
printf ("Could not allocate buffer for directory target pathname\n");
free (SrcPath);
return -1;
}
strcpy (SrcPath, SourceDirPath);
strcat (SrcPath, "/");
strcat (SrcPath, Filename);
strcpy (TgtPath, TargetDirPath);
strcat (TgtPath, "/");
strcat (TgtPath, Filename);
*SourcePath = SrcPath;
*TargetPath = TgtPath;
return 0;
}
/******************************************************************************
*
* FUNCTION: AsGetFile
*
* DESCRIPTION: Open a file and read it entirely into a an allocated buffer
*
******************************************************************************/
int
AsGetFile (
char *Filename,
char **FileBuffer,
UINT32 *FileSize)
{
int FileHandle;
UINT32 Size;
char *Buffer;
/* Binary mode leaves CR/LF pairs */
FileHandle = open (Filename, O_BINARY | O_RDONLY);
if (!FileHandle)
{
printf ("Could not open %s\n", Filename);
return -1;
}
if (fstat (FileHandle, &Gbl_StatBuf))
{
printf ("Could not get file status for %s\n", Filename);
goto ErrorExit;
}
/*
* Create a buffer for the entire file
* Add plenty extra buffer to accomodate string replacements
*/
Size = Gbl_StatBuf.st_size;
Gbl_TotalSize += Size;
Buffer = calloc (Size * 2, 1);
if (!Buffer)
{
printf ("Could not allocate buffer of size %u\n", Size * 2);
goto ErrorExit;
}
/* Read the entire file */
Size = read (FileHandle, Buffer, Size);
if (Size == -1)
{
printf ("Could not read the input file %s\n", Filename);
goto ErrorExit;
}
Buffer [Size] = 0; /* Null terminate the buffer */
close (FileHandle);
/* Check for unix contamination */
Gbl_HasLoneLineFeeds = AsDetectLoneLineFeeds (Filename, Buffer);
/*
* Convert all CR/LF pairs to LF only. We do this locally so that
* this code is portable across operating systems.
*/
AsConvertToLineFeeds (Buffer);
*FileBuffer = Buffer;
*FileSize = Size;
return 0;
ErrorExit:
close (FileHandle);
return -1;
}
/******************************************************************************
*
* FUNCTION: AsPutFile
*
* DESCRIPTION: Create a new output file and write the entire contents of the
* buffer to the new file. Buffer must be a zero terminated string
*
******************************************************************************/
int
AsPutFile (
char *Pathname,
char *FileBuffer,
UINT32 SystemFlags)
{
UINT32 FileSize;
int DestHandle;
int OpenFlags;
/* Create the target file */
OpenFlags = O_TRUNC | O_CREAT | O_WRONLY | O_BINARY;
if (!(SystemFlags & FLG_NO_CARRIAGE_RETURNS))
{
/* Put back the CR before each LF */
AsInsertCarriageReturns (FileBuffer);
}
DestHandle = open (Pathname, OpenFlags, S_IREAD | S_IWRITE);
if (DestHandle == -1)
{
perror ("Could not create destination file");
printf ("Could not create destination file \"%s\"\n", Pathname);
return -1;
}
/* Write the buffer to the file */
FileSize = strlen (FileBuffer);
write (DestHandle, FileBuffer, FileSize);
close (DestHandle);
return 0;
}
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