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| Current File : //usr/src/sys/contrib/dev/acpica/compiler/aslerror.c |
/******************************************************************************
*
* Module Name: aslerror - Error handling and statistics
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*/
#define ASL_EXCEPTIONS
#include <contrib/dev/acpica/compiler/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;
}