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/******************************************************************************
*
* Module Name: aslerror - Error handling and statistics
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2011, 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.
*
*****************************************************************************/
#define ASL_EXCEPTIONS
#include "aslcompiler.h"
#define _COMPONENT ACPI_COMPILER
ACPI_MODULE_NAME ("aslerror")
/* Local prototypes */
static void
AeAddToErrorLog (
ASL_ERROR_MSG *Enode);
void
AeClearErrorLog (
void)
{
ASL_ERROR_MSG *Enode = Gbl_ErrorLog;
ASL_ERROR_MSG *Next;
/* Walk the error node list */
while (Enode)
{
Next = Enode->Next;
ACPI_FREE (Enode);
Enode = Next;
}
Gbl_ErrorLog = NULL;
}
/*******************************************************************************
*
* FUNCTION: AeAddToErrorLog
*
* PARAMETERS: Enode - An error node to add to the log
*
* RETURN: None
*
* DESCRIPTION: Add a new error node to the error log. The error log is
* ordered by the "logical" line number (cumulative line number
* including all include files.)
*
******************************************************************************/
static void
AeAddToErrorLog (
ASL_ERROR_MSG *Enode)
{
ASL_ERROR_MSG *Next;
ASL_ERROR_MSG *Prev;
/* If Gbl_ErrorLog is null, this is the first error node */
if (!Gbl_ErrorLog)
{
Gbl_ErrorLog = Enode;
return;
}
/*
* Walk error list until we find a line number greater than ours.
* List is sorted according to line number.
*/
Prev = NULL;
Next = Gbl_ErrorLog;
while ((Next) &&
(Next->LogicalLineNumber <= Enode->LogicalLineNumber))
{
Prev = Next;
Next = Next->Next;
}
/* Found our place in the list */
Enode->Next = Next;
if (Prev)
{
Prev->Next = Enode;
}
else
{
Gbl_ErrorLog = Enode;
}
}
/*******************************************************************************
*
* FUNCTION: AePrintException
*
* PARAMETERS: FileId - ID of output file
* Enode - Error node to print
* Header - Additional text before each message
*
* RETURN: None
*
* DESCRIPTION: Print the contents of an error node.
*
* NOTE: We don't use the FlxxxFile I/O functions here because on error
* they abort the compiler and call this function! Since we
* are reporting errors here, we ignore most output errors and
* just try to get out as much as we can.
*
******************************************************************************/
void
AePrintException (
UINT32 FileId,
ASL_ERROR_MSG *Enode,
char *Header)
{
UINT8 SourceByte;
int Actual;
size_t RActual;
UINT32 MsgLength;
char *MainMessage;
char *ExtraMessage;
UINT32 SourceColumn;
UINT32 ErrorColumn;
FILE *OutputFile;
FILE *SourceFile;
long FileSize;
BOOLEAN PrematureEOF = FALSE;
if (Gbl_NoErrors)
{
return;
}
/*
* Only listing files have a header, and remarks/optimizations
* are always output
*/
if (!Header)
{
/* Ignore remarks if requested */
switch (Enode->Level)
{
case ASL_REMARK:
if (!Gbl_DisplayRemarks)
{
return;
}
break;
case ASL_OPTIMIZATION:
if (!Gbl_DisplayOptimizations)
{
return;
}
break;
default:
break;
}
}
/* Get the file handles */
OutputFile = Gbl_Files[FileId].Handle;
/* Use the merged header/source file if present, otherwise use input file */
SourceFile = Gbl_Files[ASL_FILE_SOURCE_OUTPUT].Handle;
if (!SourceFile)
{
SourceFile = Gbl_Files[ASL_FILE_INPUT].Handle;
}
if (SourceFile)
{
/* Determine if the error occurred at source file EOF */
fseek (SourceFile, 0, SEEK_END);
FileSize = ftell (SourceFile);
if ((long) Enode->LogicalByteOffset >= FileSize)
{
PrematureEOF = TRUE;
}
}
if (Header)
{
fprintf (OutputFile, "%s", Header);
}
/* Print filename and line number if present and valid */
if (Enode->Filename)
{
if (Gbl_VerboseErrors)
{
fprintf (OutputFile, "%6s", Enode->Filename);
if (Enode->LineNumber)
{
fprintf (OutputFile, " %6u: ", Enode->LineNumber);
/*
* If not at EOF, get the corresponding source code line and
* display it. Don't attempt this if we have a premature EOF
* condition.
*/
if (!PrematureEOF)
{
/*
* Seek to the offset in the combined source file, read
* the source line, and write it to the output.
*/
Actual = fseek (SourceFile, (long) Enode->LogicalByteOffset,
(int) SEEK_SET);
if (Actual)
{
fprintf (OutputFile,
"[*** iASL: Seek error on source code temp file %s ***]",
Gbl_Files[ASL_FILE_SOURCE_OUTPUT].Filename);
}
else
{
RActual = fread (&SourceByte, 1, 1, SourceFile);
if (!RActual)
{
fprintf (OutputFile,
"[*** iASL: Read error on source code temp file %s ***]",
Gbl_Files[ASL_FILE_SOURCE_OUTPUT].Filename);
}
else while (RActual && SourceByte && (SourceByte != '\n'))
{
fwrite (&SourceByte, 1, 1, OutputFile);
RActual = fread (&SourceByte, 1, 1, SourceFile);
}
}
}
fprintf (OutputFile, "\n");
}
}
else
{
fprintf (OutputFile, "%s", Enode->Filename);
if (Enode->LineNumber)
{
fprintf (OutputFile, "(%u) : ", Enode->LineNumber);
}
}
}
/* NULL message ID, just print the raw message */
if (Enode->MessageId == 0)
{
fprintf (OutputFile, "%s\n", Enode->Message);
}
else
{
/* Decode the message ID */
fprintf (OutputFile, "%s %4.4d - ",
AslErrorLevel[Enode->Level],
Enode->MessageId + ((Enode->Level+1) * 1000));
MainMessage = AslMessages[Enode->MessageId];
ExtraMessage = Enode->Message;
if (Enode->LineNumber)
{
MsgLength = strlen (MainMessage);
if (MsgLength == 0)
{
MainMessage = Enode->Message;
MsgLength = strlen (MainMessage);
ExtraMessage = NULL;
}
if (Gbl_VerboseErrors && !PrematureEOF)
{
SourceColumn = Enode->Column + Enode->FilenameLength + 6 + 2;
ErrorColumn = ASL_ERROR_LEVEL_LENGTH + 5 + 2 + 1;
if ((MsgLength + ErrorColumn) < (SourceColumn - 1))
{
fprintf (OutputFile, "%*s%s",
(int) ((SourceColumn - 1) - ErrorColumn),
MainMessage, " ^ ");
}
else
{
fprintf (OutputFile, "%*s %s",
(int) ((SourceColumn - ErrorColumn) + 1), "^",
MainMessage);
}
}
else
{
fprintf (OutputFile, " %s", MainMessage);
}
/* Print the extra info message if present */
if (ExtraMessage)
{
fprintf (OutputFile, " (%s)", ExtraMessage);
}
if (PrematureEOF)
{
fprintf (OutputFile, " and premature End-Of-File");
}
fprintf (OutputFile, "\n");
if (Gbl_VerboseErrors)
{
fprintf (OutputFile, "\n");
}
}
else
{
fprintf (OutputFile, " %s %s\n\n", MainMessage, ExtraMessage);
}
}
}
/*******************************************************************************
*
* FUNCTION: AePrintErrorLog
*
* PARAMETERS: FileId - Where to output the error log
*
* RETURN: None
*
* DESCRIPTION: Print the entire contents of the error log
*
******************************************************************************/
void
AePrintErrorLog (
UINT32 FileId)
{
ASL_ERROR_MSG *Enode = Gbl_ErrorLog;
/* Walk the error node list */
while (Enode)
{
AePrintException (FileId, Enode, NULL);
Enode = Enode->Next;
}
}
/*******************************************************************************
*
* FUNCTION: AslCommonError
*
* PARAMETERS: Level - Seriousness (Warning/error, etc.)
* MessageId - Index into global message buffer
* CurrentLineNumber - Actual file line number
* LogicalLineNumber - Cumulative line number
* LogicalByteOffset - Byte offset in source file
* Column - Column in current line
* Filename - source filename
* ExtraMessage - additional error message
*
* RETURN: None
*
* DESCRIPTION: Create a new error node and add it to the error log
*
******************************************************************************/
void
AslCommonError (
UINT8 Level,
UINT8 MessageId,
UINT32 CurrentLineNumber,
UINT32 LogicalLineNumber,
UINT32 LogicalByteOffset,
UINT32 Column,
char *Filename,
char *ExtraMessage)
{
UINT32 MessageSize;
char *MessageBuffer = NULL;
ASL_ERROR_MSG *Enode;
Enode = UtLocalCalloc (sizeof (ASL_ERROR_MSG));
if (ExtraMessage)
{
/* Allocate a buffer for the message and a new error node */
MessageSize = strlen (ExtraMessage) + 1;
MessageBuffer = UtLocalCalloc (MessageSize);
/* Keep a copy of the extra message */
ACPI_STRCPY (MessageBuffer, ExtraMessage);
}
/* Initialize the error node */
if (Filename)
{
Enode->Filename = Filename;
Enode->FilenameLength = strlen (Filename);
if (Enode->FilenameLength < 6)
{
Enode->FilenameLength = 6;
}
}
Enode->MessageId = MessageId;
Enode->Level = Level;
Enode->LineNumber = CurrentLineNumber;
Enode->LogicalLineNumber = LogicalLineNumber;
Enode->LogicalByteOffset = LogicalByteOffset;
Enode->Column = Column;
Enode->Message = MessageBuffer;
/* Add the new node to the error node list */
AeAddToErrorLog (Enode);
if (Gbl_DebugFlag)
{
/* stderr is a file, send error to it immediately */
AePrintException (ASL_FILE_STDERR, Enode, NULL);
}
Gbl_ExceptionCount[Level]++;
if (Gbl_ExceptionCount[ASL_ERROR] > ASL_MAX_ERROR_COUNT)
{
printf ("\nMaximum error count (%u) exceeded\n", ASL_MAX_ERROR_COUNT);
Gbl_SourceLine = 0;
Gbl_NextError = Gbl_ErrorLog;
CmDoOutputFiles ();
CmCleanupAndExit ();
exit(1);
}
return;
}
/*******************************************************************************
*
* FUNCTION: AslError
*
* PARAMETERS: Level - Seriousness (Warning/error, etc.)
* MessageId - Index into global message buffer
* Op - Parse node where error happened
* ExtraMessage - additional error message
*
* RETURN: None
*
* DESCRIPTION: Main error reporting routine for the ASL compiler (all code
* except the parser.)
*
******************************************************************************/
void
AslError (
UINT8 Level,
UINT8 MessageId,
ACPI_PARSE_OBJECT *Op,
char *ExtraMessage)
{
switch (Level)
{
case ASL_WARNING2:
case ASL_WARNING3:
if (Gbl_WarningLevel < Level)
{
return;
}
break;
default:
break;
}
if (Op)
{
AslCommonError (Level, MessageId, Op->Asl.LineNumber,
Op->Asl.LogicalLineNumber,
Op->Asl.LogicalByteOffset,
Op->Asl.Column,
Op->Asl.Filename, ExtraMessage);
}
else
{
AslCommonError (Level, MessageId, 0,
0, 0, 0, NULL, ExtraMessage);
}
}
/*******************************************************************************
*
* FUNCTION: AslCoreSubsystemError
*
* PARAMETERS: Op - Parse node where error happened
* Status - The ACPI CA Exception
* ExtraMessage - additional error message
* Abort - TRUE -> Abort compilation
*
* RETURN: None
*
* DESCRIPTION: Error reporting routine for exceptions returned by the ACPI
* CA core subsystem.
*
******************************************************************************/
void
AslCoreSubsystemError (
ACPI_PARSE_OBJECT *Op,
ACPI_STATUS Status,
char *ExtraMessage,
BOOLEAN Abort)
{
sprintf (MsgBuffer, "%s %s", AcpiFormatException (Status), ExtraMessage);
if (Op)
{
AslCommonError (ASL_ERROR, ASL_MSG_CORE_EXCEPTION, Op->Asl.LineNumber,
Op->Asl.LogicalLineNumber,
Op->Asl.LogicalByteOffset,
Op->Asl.Column,
Op->Asl.Filename, MsgBuffer);
}
else
{
AslCommonError (ASL_ERROR, ASL_MSG_CORE_EXCEPTION, 0,
0, 0, 0, NULL, MsgBuffer);
}
if (Abort)
{
AslAbort ();
}
}
/*******************************************************************************
*
* FUNCTION: AslCompilererror
*
* PARAMETERS: CompilerMessage - Error message from the parser
*
* RETURN: Status (0 for now)
*
* DESCRIPTION: Report an error situation discovered in a production
* NOTE: don't change the name of this function, it is called
* from the auto-generated parser.
*
******************************************************************************/
int
AslCompilererror (
char *CompilerMessage)
{
AslCommonError (ASL_ERROR, ASL_MSG_SYNTAX, Gbl_CurrentLineNumber,
Gbl_LogicalLineNumber, Gbl_CurrentLineOffset,
Gbl_CurrentColumn, Gbl_Files[ASL_FILE_INPUT].Filename,
CompilerMessage);
return 0;
}
|