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Diffstat (limited to 'source/compiler/aslerror.c')
| -rw-r--r-- | source/compiler/aslerror.c | 647 |
1 files changed, 647 insertions, 0 deletions
diff --git a/source/compiler/aslerror.c b/source/compiler/aslerror.c new file mode 100644 index 0000000..e02e234 --- /dev/null +++ b/source/compiler/aslerror.c @@ -0,0 +1,647 @@ + +/****************************************************************************** + * + * Module Name: aslerror - Error handling and statistics + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2012, 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 "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) + { + /* Main message: try to use string from AslMessages first */ + + if (!MainMessage) + { + MainMessage = ""; + } + + MsgLength = strlen (MainMessage); + if (MsgLength == 0) + { + /* Use the secondary/extra message as main message */ + + MainMessage = Enode->Message; + if (!MainMessage) + { + MainMessage = ""; + } + + 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 ( + const char *CompilerMessage) +{ + + AslCommonError (ASL_ERROR, ASL_MSG_SYNTAX, Gbl_CurrentLineNumber, + Gbl_LogicalLineNumber, Gbl_CurrentLineOffset, + Gbl_CurrentColumn, Gbl_Files[ASL_FILE_INPUT].Filename, + ACPI_CAST_PTR (char, CompilerMessage)); + + return 0; +} + + |
