635 lines
18 KiB
C
635 lines
18 KiB
C
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/******************************************************************************
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*
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* Module Name: aslerror - Error handling and statistics
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2011, Intel Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*/
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#define ASL_EXCEPTIONS
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#include <contrib/dev/acpica/compiler/aslcompiler.h>
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#define _COMPONENT ACPI_COMPILER
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ACPI_MODULE_NAME ("aslerror")
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/* Local prototypes */
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static void
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AeAddToErrorLog (
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ASL_ERROR_MSG *Enode);
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void
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AeClearErrorLog (
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void)
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{
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ASL_ERROR_MSG *Enode = Gbl_ErrorLog;
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ASL_ERROR_MSG *Next;
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/* Walk the error node list */
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while (Enode)
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{
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Next = Enode->Next;
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ACPI_FREE (Enode);
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Enode = Next;
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}
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Gbl_ErrorLog = NULL;
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}
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/*******************************************************************************
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*
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* FUNCTION: AeAddToErrorLog
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*
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* PARAMETERS: Enode - An error node to add to the log
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*
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* RETURN: None
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*
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* DESCRIPTION: Add a new error node to the error log. The error log is
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* ordered by the "logical" line number (cumulative line number
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* including all include files.)
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*
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******************************************************************************/
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static void
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AeAddToErrorLog (
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ASL_ERROR_MSG *Enode)
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{
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ASL_ERROR_MSG *Next;
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ASL_ERROR_MSG *Prev;
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/* If Gbl_ErrorLog is null, this is the first error node */
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if (!Gbl_ErrorLog)
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{
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Gbl_ErrorLog = Enode;
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return;
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}
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/*
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* Walk error list until we find a line number greater than ours.
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* List is sorted according to line number.
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*/
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Prev = NULL;
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Next = Gbl_ErrorLog;
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while ((Next) &&
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(Next->LogicalLineNumber <= Enode->LogicalLineNumber))
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{
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Prev = Next;
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Next = Next->Next;
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}
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/* Found our place in the list */
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Enode->Next = Next;
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if (Prev)
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{
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Prev->Next = Enode;
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}
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else
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{
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Gbl_ErrorLog = Enode;
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: AePrintException
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*
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* PARAMETERS: FileId - ID of output file
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* Enode - Error node to print
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* Header - Additional text before each message
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*
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* RETURN: None
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*
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* DESCRIPTION: Print the contents of an error node.
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*
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* NOTE: We don't use the FlxxxFile I/O functions here because on error
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* they abort the compiler and call this function! Since we
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* are reporting errors here, we ignore most output errors and
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* just try to get out as much as we can.
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*
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******************************************************************************/
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void
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AePrintException (
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UINT32 FileId,
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ASL_ERROR_MSG *Enode,
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char *Header)
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{
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UINT8 SourceByte;
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int Actual;
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size_t RActual;
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UINT32 MsgLength;
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char *MainMessage;
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char *ExtraMessage;
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UINT32 SourceColumn;
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UINT32 ErrorColumn;
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FILE *OutputFile;
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FILE *SourceFile;
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long FileSize;
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BOOLEAN PrematureEOF = FALSE;
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if (Gbl_NoErrors)
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{
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return;
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}
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/*
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* Only listing files have a header, and remarks/optimizations
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* are always output
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*/
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if (!Header)
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{
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/* Ignore remarks if requested */
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switch (Enode->Level)
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{
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case ASL_REMARK:
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if (!Gbl_DisplayRemarks)
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{
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return;
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}
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break;
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case ASL_OPTIMIZATION:
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if (!Gbl_DisplayOptimizations)
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{
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return;
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}
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break;
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default:
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break;
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}
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}
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/* Get the file handles */
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OutputFile = Gbl_Files[FileId].Handle;
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/* Use the merged header/source file if present, otherwise use input file */
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SourceFile = Gbl_Files[ASL_FILE_SOURCE_OUTPUT].Handle;
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if (!SourceFile)
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{
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SourceFile = Gbl_Files[ASL_FILE_INPUT].Handle;
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}
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if (SourceFile)
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{
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/* Determine if the error occurred at source file EOF */
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fseek (SourceFile, 0, SEEK_END);
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FileSize = ftell (SourceFile);
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if ((long) Enode->LogicalByteOffset >= FileSize)
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{
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PrematureEOF = TRUE;
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}
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}
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if (Header)
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{
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fprintf (OutputFile, "%s", Header);
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}
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/* Print filename and line number if present and valid */
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if (Enode->Filename)
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{
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if (Gbl_VerboseErrors)
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{
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fprintf (OutputFile, "%6s", Enode->Filename);
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if (Enode->LineNumber)
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{
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fprintf (OutputFile, " %6u: ", Enode->LineNumber);
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/*
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* If not at EOF, get the corresponding source code line and
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* display it. Don't attempt this if we have a premature EOF
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* condition.
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*/
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if (!PrematureEOF)
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{
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/*
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* Seek to the offset in the combined source file, read
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* the source line, and write it to the output.
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*/
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Actual = fseek (SourceFile, (long) Enode->LogicalByteOffset,
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(int) SEEK_SET);
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if (Actual)
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{
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fprintf (OutputFile,
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"[*** iASL: Seek error on source code temp file %s ***]",
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Gbl_Files[ASL_FILE_SOURCE_OUTPUT].Filename);
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}
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else
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{
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RActual = fread (&SourceByte, 1, 1, SourceFile);
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if (!RActual)
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{
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fprintf (OutputFile,
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"[*** iASL: Read error on source code temp file %s ***]",
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Gbl_Files[ASL_FILE_SOURCE_OUTPUT].Filename);
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}
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else while (RActual && SourceByte && (SourceByte != '\n'))
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{
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fwrite (&SourceByte, 1, 1, OutputFile);
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RActual = fread (&SourceByte, 1, 1, SourceFile);
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}
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}
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}
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fprintf (OutputFile, "\n");
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}
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}
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else
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{
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fprintf (OutputFile, "%s", Enode->Filename);
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if (Enode->LineNumber)
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{
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fprintf (OutputFile, "(%u) : ", Enode->LineNumber);
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}
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}
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}
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/* NULL message ID, just print the raw message */
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if (Enode->MessageId == 0)
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{
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fprintf (OutputFile, "%s\n", Enode->Message);
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}
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else
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{
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/* Decode the message ID */
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fprintf (OutputFile, "%s %4.4d - ",
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AslErrorLevel[Enode->Level],
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Enode->MessageId + ((Enode->Level+1) * 1000));
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MainMessage = AslMessages[Enode->MessageId];
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ExtraMessage = Enode->Message;
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if (Enode->LineNumber)
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{
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MsgLength = strlen (MainMessage);
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if (MsgLength == 0)
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{
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MainMessage = Enode->Message;
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MsgLength = strlen (MainMessage);
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ExtraMessage = NULL;
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}
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if (Gbl_VerboseErrors && !PrematureEOF)
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{
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SourceColumn = Enode->Column + Enode->FilenameLength + 6 + 2;
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ErrorColumn = ASL_ERROR_LEVEL_LENGTH + 5 + 2 + 1;
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if ((MsgLength + ErrorColumn) < (SourceColumn - 1))
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{
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fprintf (OutputFile, "%*s%s",
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(int) ((SourceColumn - 1) - ErrorColumn),
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MainMessage, " ^ ");
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}
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else
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{
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fprintf (OutputFile, "%*s %s",
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(int) ((SourceColumn - ErrorColumn) + 1), "^",
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MainMessage);
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}
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}
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else
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{
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fprintf (OutputFile, " %s", MainMessage);
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}
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/* Print the extra info message if present */
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if (ExtraMessage)
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{
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fprintf (OutputFile, " (%s)", ExtraMessage);
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}
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if (PrematureEOF)
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{
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fprintf (OutputFile, " and premature End-Of-File");
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}
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fprintf (OutputFile, "\n");
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if (Gbl_VerboseErrors)
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{
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fprintf (OutputFile, "\n");
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}
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}
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else
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{
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fprintf (OutputFile, " %s %s\n\n", MainMessage, ExtraMessage);
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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: AePrintErrorLog
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*
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* PARAMETERS: FileId - Where to output the error log
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*
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* RETURN: None
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*
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* DESCRIPTION: Print the entire contents of the error log
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*
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******************************************************************************/
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void
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AePrintErrorLog (
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UINT32 FileId)
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{
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ASL_ERROR_MSG *Enode = Gbl_ErrorLog;
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/* Walk the error node list */
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while (Enode)
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{
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AePrintException (FileId, Enode, NULL);
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Enode = Enode->Next;
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: AslCommonError
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*
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* PARAMETERS: Level - Seriousness (Warning/error, etc.)
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* MessageId - Index into global message buffer
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* CurrentLineNumber - Actual file line number
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* LogicalLineNumber - Cumulative line number
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* LogicalByteOffset - Byte offset in source file
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* Column - Column in current line
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* Filename - source filename
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* ExtraMessage - additional error message
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*
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* RETURN: None
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*
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* DESCRIPTION: Create a new error node and add it to the error log
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*
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******************************************************************************/
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void
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AslCommonError (
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UINT8 Level,
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UINT8 MessageId,
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UINT32 CurrentLineNumber,
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UINT32 LogicalLineNumber,
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UINT32 LogicalByteOffset,
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UINT32 Column,
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char *Filename,
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char *ExtraMessage)
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{
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UINT32 MessageSize;
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char *MessageBuffer = NULL;
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ASL_ERROR_MSG *Enode;
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Enode = UtLocalCalloc (sizeof (ASL_ERROR_MSG));
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if (ExtraMessage)
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{
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/* Allocate a buffer for the message and a new error node */
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MessageSize = strlen (ExtraMessage) + 1;
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MessageBuffer = UtLocalCalloc (MessageSize);
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/* Keep a copy of the extra message */
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ACPI_STRCPY (MessageBuffer, ExtraMessage);
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}
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/* Initialize the error node */
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if (Filename)
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{
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Enode->Filename = Filename;
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Enode->FilenameLength = strlen (Filename);
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if (Enode->FilenameLength < 6)
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{
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Enode->FilenameLength = 6;
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}
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}
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Enode->MessageId = MessageId;
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Enode->Level = Level;
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Enode->LineNumber = CurrentLineNumber;
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Enode->LogicalLineNumber = LogicalLineNumber;
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Enode->LogicalByteOffset = LogicalByteOffset;
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Enode->Column = Column;
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Enode->Message = MessageBuffer;
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/* Add the new node to the error node list */
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AeAddToErrorLog (Enode);
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if (Gbl_DebugFlag)
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{
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/* stderr is a file, send error to it immediately */
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AePrintException (ASL_FILE_STDERR, Enode, NULL);
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}
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Gbl_ExceptionCount[Level]++;
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if (Gbl_ExceptionCount[ASL_ERROR] > ASL_MAX_ERROR_COUNT)
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{
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printf ("\nMaximum error count (%u) exceeded\n", ASL_MAX_ERROR_COUNT);
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Gbl_SourceLine = 0;
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Gbl_NextError = Gbl_ErrorLog;
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CmDoOutputFiles ();
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CmCleanupAndExit ();
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exit(1);
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}
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return;
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}
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/*******************************************************************************
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*
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* FUNCTION: AslError
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*
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* PARAMETERS: Level - Seriousness (Warning/error, etc.)
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* MessageId - Index into global message buffer
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* Op - Parse node where error happened
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* ExtraMessage - additional error message
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*
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* RETURN: None
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*
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* DESCRIPTION: Main error reporting routine for the ASL compiler (all code
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* except the parser.)
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*
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******************************************************************************/
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void
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AslError (
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UINT8 Level,
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UINT8 MessageId,
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ACPI_PARSE_OBJECT *Op,
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char *ExtraMessage)
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{
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switch (Level)
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{
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case ASL_WARNING2:
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case ASL_WARNING3:
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if (Gbl_WarningLevel < Level)
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{
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return;
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}
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break;
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default:
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break;
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}
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if (Op)
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{
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AslCommonError (Level, MessageId, Op->Asl.LineNumber,
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Op->Asl.LogicalLineNumber,
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Op->Asl.LogicalByteOffset,
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Op->Asl.Column,
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Op->Asl.Filename, ExtraMessage);
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}
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else
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{
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AslCommonError (Level, MessageId, 0,
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0, 0, 0, NULL, ExtraMessage);
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: AslCoreSubsystemError
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*
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* PARAMETERS: Op - Parse node where error happened
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* Status - The ACPI CA Exception
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* ExtraMessage - additional error message
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* Abort - TRUE -> Abort compilation
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*
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* RETURN: None
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*
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* DESCRIPTION: Error reporting routine for exceptions returned by the ACPI
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* CA core subsystem.
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*
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******************************************************************************/
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void
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AslCoreSubsystemError (
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ACPI_PARSE_OBJECT *Op,
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ACPI_STATUS Status,
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char *ExtraMessage,
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BOOLEAN Abort)
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{
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sprintf (MsgBuffer, "%s %s", AcpiFormatException (Status), ExtraMessage);
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if (Op)
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{
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AslCommonError (ASL_ERROR, ASL_MSG_CORE_EXCEPTION, Op->Asl.LineNumber,
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Op->Asl.LogicalLineNumber,
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Op->Asl.LogicalByteOffset,
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Op->Asl.Column,
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Op->Asl.Filename, MsgBuffer);
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}
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else
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{
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AslCommonError (ASL_ERROR, ASL_MSG_CORE_EXCEPTION, 0,
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0, 0, 0, NULL, MsgBuffer);
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}
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if (Abort)
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{
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AslAbort ();
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: AslCompilererror
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*
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* PARAMETERS: CompilerMessage - Error message from the parser
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*
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* RETURN: Status (0 for now)
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*
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* DESCRIPTION: Report an error situation discovered in a production
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* NOTE: don't change the name of this function, it is called
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* from the auto-generated parser.
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*
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******************************************************************************/
|
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int
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AslCompilererror (
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char *CompilerMessage)
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{
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|
|
AslCommonError (ASL_ERROR, ASL_MSG_SYNTAX, Gbl_CurrentLineNumber,
|
|
Gbl_LogicalLineNumber, Gbl_CurrentLineOffset,
|
|
Gbl_CurrentColumn, Gbl_Files[ASL_FILE_INPUT].Filename,
|
|
CompilerMessage);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|