diff options
Diffstat (limited to 'source/compiler/aslsupport.l')
-rw-r--r-- | source/compiler/aslsupport.l | 1838 |
1 files changed, 919 insertions, 919 deletions
diff --git a/source/compiler/aslsupport.l b/source/compiler/aslsupport.l index c19fdab39..960ca32b3 100644 --- a/source/compiler/aslsupport.l +++ b/source/compiler/aslsupport.l @@ -1,919 +1,919 @@ -/******************************************************************************
- *
- * Module Name: aslsupport.l - Flex/lex scanner C support routines.
- * NOTE: Included into aslcompile.l, not compiled by itself.
- *
- *****************************************************************************/
-
-/******************************************************************************
- *
- * 1. Copyright Notice
- *
- * Some or all of this work - Copyright (c) 1999 - 2015, 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.
- *
- *****************************************************************************/
-
-/* Configuration */
-
-#define ASL_SPACES_PER_TAB 4
-
-#define ASL_NORMAL_CHAR 0
-#define ASL_ESCAPE_SEQUENCE 1
-#define ASL_OCTAL_CONSTANT 2
-#define ASL_HEX_CONSTANT 3
-
-
-/* File node - used for "Include" operator file stack */
-
-typedef struct asl_file_node
-{
- FILE *File;
- UINT32 CurrentLineNumber;
- YY_BUFFER_STATE State;
- char *Filename;
- struct asl_file_node *Next;
-
-} ASL_FILE_NODE;
-
-/* File stack for the "Include" operator (NOT #include operator) */
-
-ASL_FILE_NODE *Gbl_IncludeFileStack = NULL;
-
-
-/*******************************************************************************
- *
- * FUNCTION: AslParserCleanup
- *
- * Used to delete the current buffer
- *
- ******************************************************************************/
-
-void
-AslParserCleanup (
- void)
-{
-
- yy_delete_buffer (YY_CURRENT_BUFFER);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: AslDoLineDirective
- *
- * PARAMETERS: None. Uses input() to access current source code line
- *
- * RETURN: Updates global line number and filename
- *
- * DESCRIPTION: Handle #line directives emitted by the preprocessor.
- *
- * The #line directive is emitted by the preprocesser, and is used to
- * pass through line numbers from the original source code file to the
- * preprocessor output file (.i). This allows any compiler-generated
- * error messages to be displayed with the correct line number.
- *
- ******************************************************************************/
-
-static void
-AslDoLineDirective (
- void)
-{
- int c;
- char *Token;
- UINT32 LineNumber;
- char *Filename;
- UINT32 i;
-
-
- /* Eat the entire line that contains the #line directive */
-
- Gbl_LineBufPtr = Gbl_CurrentLineBuffer;
-
- while ((c = input()) != '\n' && c != EOF)
- {
- *Gbl_LineBufPtr = c;
- Gbl_LineBufPtr++;
- }
- *Gbl_LineBufPtr = 0;
-
- /* First argument is the actual line number */
-
- Token = strtok (Gbl_CurrentLineBuffer, " ");
- if (!Token)
- {
- goto ResetAndExit;
- }
-
- /* First argument is the line number */
-
- LineNumber = (UINT32) UtDoConstant (Token);
-
- /* Emit the appropriate number of newlines */
-
- Gbl_CurrentColumn = 0;
- if (LineNumber > Gbl_CurrentLineNumber)
- {
- for (i = 0; i < (LineNumber - Gbl_CurrentLineNumber); i++)
- {
- FlWriteFile (ASL_FILE_SOURCE_OUTPUT, "\n", 1);
- Gbl_CurrentColumn++;
- }
- }
-
- FlSetLineNumber (LineNumber);
-
- /* Second argument is the optional filename (in double quotes) */
-
- Token = strtok (NULL, " \"");
- if (Token)
- {
- Filename = ACPI_ALLOCATE_ZEROED (strlen (Token) + 1);
- strcpy (Filename, Token);
- FlSetFilename (Filename);
- }
-
- /* Third argument is not supported at this time */
-
-ResetAndExit:
-
- /* Reset globals for a new line */
-
- Gbl_CurrentLineOffset += Gbl_CurrentColumn;
- Gbl_CurrentColumn = 0;
- Gbl_LineBufPtr = Gbl_CurrentLineBuffer;
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: AslPopInputFileStack
- *
- * PARAMETERS: None
- *
- * RETURN: 0 if a node was popped, -1 otherwise
- *
- * DESCRIPTION: Pop the top of the input file stack and point the parser to
- * the saved parse buffer contained in the fnode. Also, set the
- * global line counters to the saved values. This function is
- * called when an include file reaches EOF.
- *
- ******************************************************************************/
-
-int
-AslPopInputFileStack (
- void)
-{
- ASL_FILE_NODE *Fnode;
-
-
- Fnode = Gbl_IncludeFileStack;
- DbgPrint (ASL_PARSE_OUTPUT,
- "\nPop InputFile Stack, Fnode %p\n\n", Fnode);
-
- if (!Fnode)
- {
- return (-1);
- }
-
- /* Close the current include file */
-
- fclose (yyin);
-
- /* Update the top-of-stack */
-
- Gbl_IncludeFileStack = Fnode->Next;
-
- /* Reset global line counter and filename */
-
- Gbl_Files[ASL_FILE_INPUT].Filename = Fnode->Filename;
- Gbl_CurrentLineNumber = Fnode->CurrentLineNumber;
-
- /* Point the parser to the popped file */
-
- yy_delete_buffer (YY_CURRENT_BUFFER);
- yy_switch_to_buffer (Fnode->State);
-
- /* All done with this node */
-
- ACPI_FREE (Fnode);
- return (0);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: AslPushInputFileStack
- *
- * PARAMETERS: InputFile - Open file pointer
- * Filename - Name of the file
- *
- * RETURN: None
- *
- * DESCRIPTION: Push the InputFile onto the file stack, and point the parser
- * to this file. Called when an include file is successfully
- * opened.
- *
- ******************************************************************************/
-
-void
-AslPushInputFileStack (
- FILE *InputFile,
- char *Filename)
-{
- ASL_FILE_NODE *Fnode;
- YY_BUFFER_STATE State;
-
-
- /* Save the current state in an Fnode */
-
- Fnode = UtLocalCalloc (sizeof (ASL_FILE_NODE));
-
- Fnode->File = yyin;
- Fnode->Next = Gbl_IncludeFileStack;
- Fnode->State = YY_CURRENT_BUFFER;
- Fnode->Filename = Gbl_Files[ASL_FILE_INPUT].Filename;
- Fnode->CurrentLineNumber = Gbl_CurrentLineNumber;
-
- /* Push it on the stack */
-
- Gbl_IncludeFileStack = Fnode;
-
- /* Point the parser to this file */
-
- State = yy_create_buffer (InputFile, YY_BUF_SIZE);
- yy_switch_to_buffer (State);
-
- DbgPrint (ASL_PARSE_OUTPUT,
- "\nPush InputFile Stack, returning %p\n\n", InputFile);
-
- /* Reset the global line count and filename */
-
- Gbl_Files[ASL_FILE_INPUT].Filename =
- UtStringCacheCalloc (strlen (Filename) + 1);
-
- strcpy (Gbl_Files[ASL_FILE_INPUT].Filename, Filename);
-
- Gbl_CurrentLineNumber = 1;
- yyin = InputFile;
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: AslResetCurrentLineBuffer
- *
- * PARAMETERS: None
- *
- * RETURN: None
- *
- * DESCRIPTION: Reset the Line Buffer to zero, increment global line numbers.
- *
- ******************************************************************************/
-
-void
-AslResetCurrentLineBuffer (
- void)
-{
-
- if (Gbl_Files[ASL_FILE_SOURCE_OUTPUT].Handle)
- {
- FlWriteFile (ASL_FILE_SOURCE_OUTPUT, Gbl_CurrentLineBuffer,
- Gbl_LineBufPtr - Gbl_CurrentLineBuffer);
- }
-
- Gbl_CurrentLineOffset += Gbl_CurrentColumn;
- Gbl_CurrentColumn = 0;
-
- Gbl_CurrentLineNumber++;
- Gbl_LogicalLineNumber++;
- Gbl_LineBufPtr = Gbl_CurrentLineBuffer;
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: AslInsertLineBuffer
- *
- * PARAMETERS: SourceChar - One char from the input ASL source file
- *
- * RETURN: None
- *
- * DESCRIPTION: Put one character of the source file into the temp line buffer
- *
- ******************************************************************************/
-
-void
-AslInsertLineBuffer (
- int SourceChar)
-{
- UINT32 i;
- UINT32 Count = 1;
-
-
- if (SourceChar == EOF)
- {
- return;
- }
-
- Gbl_InputByteCount++;
-
- /* Handle tabs. Convert to spaces */
-
- if (SourceChar == '\t')
- {
- SourceChar = ' ';
- Count = ASL_SPACES_PER_TAB -
- (Gbl_CurrentColumn & (ASL_SPACES_PER_TAB-1));
- }
-
- for (i = 0; i < Count; i++)
- {
- Gbl_CurrentColumn++;
-
- /* Insert the character into the line buffer */
-
- *Gbl_LineBufPtr = (UINT8) SourceChar;
- Gbl_LineBufPtr++;
-
- if (Gbl_LineBufPtr >
- (Gbl_CurrentLineBuffer + (Gbl_LineBufferSize - 1)))
- {
-#if 0
- /*
- * Warning if we have split a long source line.
- * <Probably overkill>
- */
- sprintf (MsgBuffer, "Max %u", Gbl_LineBufferSize);
- AslCommonError (ASL_WARNING, ASL_MSG_LONG_LINE,
- Gbl_CurrentLineNumber, Gbl_LogicalLineNumber,
- Gbl_CurrentLineOffset, Gbl_CurrentColumn,
- Gbl_Files[ASL_FILE_INPUT].Filename, MsgBuffer);
-#endif
-
- AslResetCurrentLineBuffer ();
- }
- else if (SourceChar == '\n')
- {
- /* End of line */
-
- AslResetCurrentLineBuffer ();
- }
- }
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: count
- *
- * PARAMETERS: yytext - Contains the matched keyword.
- * Type - Keyword/Character type:
- * 0 = anything except a keyword
- * 1 = pseudo-keywords
- * 2 = non-executable ASL keywords
- * 3 = executable ASL keywords
- *
- * RETURN: None
- *
- * DESCRIPTION: Count keywords and put them into the line buffer
- *
- ******************************************************************************/
-
-static void
-count (
- int Type)
-{
- int i;
-
-
- switch (Type)
- {
- case 2:
-
- TotalKeywords++;
- TotalNamedObjects++;
- break;
-
- case 3:
-
- TotalKeywords++;
- TotalExecutableOpcodes++;
- break;
-
- default:
-
- break;
- }
-
- for (i = 0; (yytext[i] != 0) && (yytext[i] != EOF); i++)
- {
- AslInsertLineBuffer (yytext[i]);
- *Gbl_LineBufPtr = 0;
- }
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: AslDoComment
- *
- * PARAMETERS: none
- *
- * RETURN: none
- *
- * DESCRIPTION: Process a standard comment.
- *
- ******************************************************************************/
-
-static char
-AslDoComment (
- void)
-{
- int c;
- int c1 = 0;
-
-
- AslInsertLineBuffer ('/');
- AslInsertLineBuffer ('*');
-
-loop:
-
- /* Eat chars until end-of-comment */
-
- while (((c = input ()) != '*') && (c != EOF))
- {
- AslInsertLineBuffer (c);
- c1 = c;
- }
-
- if (c == EOF)
- {
- goto EarlyEOF;
- }
-
- /*
- * Check for nested comment -- can help catch cases where a previous
- * comment was accidently left unterminated
- */
- if ((c1 == '/') && (c == '*'))
- {
- AslCommonError (ASL_WARNING, ASL_MSG_NESTED_COMMENT,
- Gbl_CurrentLineNumber, Gbl_LogicalLineNumber,
- Gbl_InputByteCount, Gbl_CurrentColumn,
- Gbl_Files[ASL_FILE_INPUT].Filename, NULL);
- }
-
- /* Comment is closed only if the NEXT character is a slash */
-
- AslInsertLineBuffer (c);
-
- if (((c1 = input ()) != '/') && (c1 != EOF))
- {
- unput(c1);
- goto loop;
- }
-
- if (c1 == EOF)
- {
- goto EarlyEOF;
- }
-
- AslInsertLineBuffer (c1);
- return (TRUE);
-
-
-EarlyEOF:
- /*
- * Premature End-Of-File
- */
- AslCommonError (ASL_ERROR, ASL_MSG_EARLY_EOF,
- Gbl_CurrentLineNumber, Gbl_LogicalLineNumber,
- Gbl_CurrentLineOffset, Gbl_CurrentColumn,
- Gbl_Files[ASL_FILE_INPUT].Filename, NULL);
- return (FALSE);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: AslDoCommentType2
- *
- * PARAMETERS: none
- *
- * RETURN: none
- *
- * DESCRIPTION: Process a new "//" comment.
- *
- ******************************************************************************/
-
-static char
-AslDoCommentType2 (
- void)
-{
- int c;
-
-
- AslInsertLineBuffer ('/');
- AslInsertLineBuffer ('/');
-
- while (((c = input ()) != '\n') && (c != EOF))
- {
- AslInsertLineBuffer (c);
- }
-
- if (c == EOF)
- {
- /* End of file is OK, change to newline. Let parser detect EOF later */
-
- c = '\n';
- }
-
- AslInsertLineBuffer (c);
- return (TRUE);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: AslDoStringLiteral
- *
- * PARAMETERS: none
- *
- * RETURN: none
- *
- * DESCRIPTION: Process a string literal (surrounded by quotes)
- *
- ******************************************************************************/
-
-static char
-AslDoStringLiteral (
- void)
-{
- char *StringBuffer = MsgBuffer;
- char *EndBuffer = MsgBuffer + ASL_MSG_BUFFER_SIZE;
- char *CleanString;
- int StringChar;
- UINT32 State = ASL_NORMAL_CHAR;
- UINT32 i = 0;
- UINT8 Digit;
- char ConvertBuffer[4];
-
-
- /*
- * Eat chars until end-of-literal.
- * NOTE: Put back the original surrounding quotes into the
- * source line buffer.
- */
- AslInsertLineBuffer ('\"');
- while ((StringChar = input()) != EOF)
- {
- AslInsertLineBuffer (StringChar);
-
-DoCharacter:
- switch (State)
- {
- case ASL_NORMAL_CHAR:
-
- switch (StringChar)
- {
- case '\\':
- /*
- * Special handling for backslash-escape sequence. We will
- * toss the backslash and translate the escape char(s).
- */
- State = ASL_ESCAPE_SEQUENCE;
- continue;
-
- case '\"':
-
- /* String terminator */
-
- goto CompletedString;
-
- default:
-
- break;
- }
- break;
-
-
- case ASL_ESCAPE_SEQUENCE:
-
- State = ASL_NORMAL_CHAR;
- switch (StringChar)
- {
- case 'a':
-
- StringChar = 0x07; /* BELL */
- break;
-
- case 'b':
-
- StringChar = 0x08; /* BACKSPACE */
- break;
-
- case 'f':
-
- StringChar = 0x0C; /* FORMFEED */
- break;
-
- case 'n':
-
- StringChar = 0x0A; /* LINEFEED */
- break;
-
- case 'r':
-
- StringChar = 0x0D; /* CARRIAGE RETURN*/
- break;
-
- case 't':
-
- StringChar = 0x09; /* HORIZONTAL TAB */
- break;
-
- case 'v':
-
- StringChar = 0x0B; /* VERTICAL TAB */
- break;
-
- case 'x':
-
- State = ASL_HEX_CONSTANT;
- i = 0;
- continue;
-
- case '\'': /* Single Quote */
- case '\"': /* Double Quote */
- case '\\': /* Backslash */
-
- break;
-
- default:
-
- /* Check for an octal digit (0-7) */
-
- if (ACPI_IS_OCTAL_DIGIT (StringChar))
- {
- State = ASL_OCTAL_CONSTANT;
- ConvertBuffer[0] = StringChar;
- i = 1;
- continue;
- }
-
- /* Unknown escape sequence issue warning, but use the character */
-
- AslCommonError (ASL_WARNING, ASL_MSG_INVALID_ESCAPE,
- Gbl_CurrentLineNumber, Gbl_LogicalLineNumber,
- Gbl_CurrentLineOffset, Gbl_CurrentColumn,
- Gbl_Files[ASL_FILE_INPUT].Filename, NULL);
- break;
- }
- break;
-
-
- case ASL_OCTAL_CONSTANT:
-
- /* Up to three octal digits allowed */
-
- if (!ACPI_IS_OCTAL_DIGIT (StringChar) ||
- (i > 2))
- {
- /*
- * Reached end of the constant. Convert the assembled ASCII
- * string and resume processing of the next character
- */
- ConvertBuffer[i] = 0;
- Digit = (UINT8) ACPI_STRTOUL (ConvertBuffer, NULL, 8);
-
- /* Check for NULL or non-ascii character (ignore if so) */
-
- if ((Digit == 0) || (Digit > ACPI_ASCII_MAX))
- {
- AslCommonError (ASL_WARNING, ASL_MSG_INVALID_STRING,
- Gbl_CurrentLineNumber, Gbl_LogicalLineNumber,
- Gbl_CurrentLineOffset, Gbl_CurrentColumn,
- Gbl_Files[ASL_FILE_INPUT].Filename, NULL);
- }
- else
- {
- *StringBuffer = (char) Digit;
- StringBuffer++;
- if (StringBuffer >= EndBuffer)
- {
- goto BufferOverflow;
- }
- }
-
- State = ASL_NORMAL_CHAR;
- goto DoCharacter;
- break;
- }
-
- /* Append another digit of the constant */
-
- ConvertBuffer[i] = StringChar;
- i++;
- continue;
-
- case ASL_HEX_CONSTANT:
-
- /* Up to two hex digits allowed */
-
- if (!ACPI_IS_XDIGIT (StringChar) ||
- (i > 1))
- {
- /*
- * Reached end of the constant. Convert the assembled ASCII
- * string and resume processing of the next character
- */
- ConvertBuffer[i] = 0;
- Digit = (UINT8) ACPI_STRTOUL (ConvertBuffer, NULL, 16);
-
- /* Check for NULL or non-ascii character (ignore if so) */
-
- if ((Digit == 0) || (Digit > ACPI_ASCII_MAX))
- {
- AslCommonError (ASL_WARNING, ASL_MSG_INVALID_STRING,
- Gbl_CurrentLineNumber, Gbl_LogicalLineNumber,
- Gbl_CurrentLineOffset, Gbl_CurrentColumn,
- Gbl_Files[ASL_FILE_INPUT].Filename, NULL);
- }
- else
- {
- *StringBuffer = (char) Digit;
- StringBuffer++;
- if (StringBuffer >= EndBuffer)
- {
- goto BufferOverflow;
- }
- }
-
- State = ASL_NORMAL_CHAR;
- goto DoCharacter;
- break;
- }
-
- /* Append another digit of the constant */
-
- ConvertBuffer[i] = StringChar;
- i++;
- continue;
-
- default:
-
- break;
- }
-
- /* Save the finished character */
-
- *StringBuffer = StringChar;
- StringBuffer++;
- if (StringBuffer >= EndBuffer)
- {
- goto BufferOverflow;
- }
- }
-
- /*
- * Premature End-Of-File
- */
- AslCommonError (ASL_ERROR, ASL_MSG_EARLY_EOF,
- Gbl_CurrentLineNumber, Gbl_LogicalLineNumber,
- Gbl_CurrentLineOffset, Gbl_CurrentColumn,
- Gbl_Files[ASL_FILE_INPUT].Filename, NULL);
- return (FALSE);
-
-
-CompletedString:
- /*
- * Null terminate the input string and copy string to a new buffer
- */
- *StringBuffer = 0;
-
- CleanString = UtStringCacheCalloc (strlen (MsgBuffer) + 1);
- if (!CleanString)
- {
- AslCommonError (ASL_ERROR, ASL_MSG_MEMORY_ALLOCATION,
- Gbl_CurrentLineNumber, Gbl_LogicalLineNumber,
- Gbl_CurrentLineOffset, Gbl_CurrentColumn,
- Gbl_Files[ASL_FILE_INPUT].Filename, NULL);
- return (FALSE);
- }
-
- ACPI_STRCPY (CleanString, MsgBuffer);
- AslCompilerlval.s = CleanString;
- return (TRUE);
-
-
-BufferOverflow:
-
- /* Literal was too long */
-
- AslCommonError (ASL_ERROR, ASL_MSG_STRING_LENGTH,
- Gbl_CurrentLineNumber, Gbl_LogicalLineNumber,
- Gbl_CurrentLineOffset, Gbl_CurrentColumn,
- Gbl_Files[ASL_FILE_INPUT].Filename, "Max length 4096");
- return (FALSE);
-}
+/****************************************************************************** + * + * Module Name: aslsupport.l - Flex/lex scanner C support routines. + * NOTE: Included into aslcompile.l, not compiled by itself. + * + *****************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999 - 2014, 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. + * + *****************************************************************************/ + +/* Configuration */ + +#define ASL_SPACES_PER_TAB 4 + +#define ASL_NORMAL_CHAR 0 +#define ASL_ESCAPE_SEQUENCE 1 +#define ASL_OCTAL_CONSTANT 2 +#define ASL_HEX_CONSTANT 3 + + +/* File node - used for "Include" operator file stack */ + +typedef struct asl_file_node +{ + FILE *File; + UINT32 CurrentLineNumber; + YY_BUFFER_STATE State; + char *Filename; + struct asl_file_node *Next; + +} ASL_FILE_NODE; + +/* File stack for the "Include" operator (NOT #include operator) */ + +ASL_FILE_NODE *Gbl_IncludeFileStack = NULL; + + +/******************************************************************************* + * + * FUNCTION: AslParserCleanup + * + * Used to delete the current buffer + * + ******************************************************************************/ + +void +AslParserCleanup ( + void) +{ + + yy_delete_buffer (YY_CURRENT_BUFFER); +} + + +/******************************************************************************* + * + * FUNCTION: AslDoLineDirective + * + * PARAMETERS: None. Uses input() to access current source code line + * + * RETURN: Updates global line number and filename + * + * DESCRIPTION: Handle #line directives emitted by the preprocessor. + * + * The #line directive is emitted by the preprocesser, and is used to + * pass through line numbers from the original source code file to the + * preprocessor output file (.i). This allows any compiler-generated + * error messages to be displayed with the correct line number. + * + ******************************************************************************/ + +static void +AslDoLineDirective ( + void) +{ + int c; + char *Token; + UINT32 LineNumber; + char *Filename; + UINT32 i; + + + /* Eat the entire line that contains the #line directive */ + + Gbl_LineBufPtr = Gbl_CurrentLineBuffer; + + while ((c = input()) != '\n' && c != EOF) + { + *Gbl_LineBufPtr = c; + Gbl_LineBufPtr++; + } + *Gbl_LineBufPtr = 0; + + /* First argument is the actual line number */ + + Token = strtok (Gbl_CurrentLineBuffer, " "); + if (!Token) + { + goto ResetAndExit; + } + + /* First argument is the line number */ + + LineNumber = (UINT32) UtDoConstant (Token); + + /* Emit the appropriate number of newlines */ + + Gbl_CurrentColumn = 0; + if (LineNumber > Gbl_CurrentLineNumber) + { + for (i = 0; i < (LineNumber - Gbl_CurrentLineNumber); i++) + { + FlWriteFile (ASL_FILE_SOURCE_OUTPUT, "\n", 1); + Gbl_CurrentColumn++; + } + } + + FlSetLineNumber (LineNumber); + + /* Second argument is the optional filename (in double quotes) */ + + Token = strtok (NULL, " \""); + if (Token) + { + Filename = ACPI_ALLOCATE_ZEROED (strlen (Token) + 1); + strcpy (Filename, Token); + FlSetFilename (Filename); + } + + /* Third argument is not supported at this time */ + +ResetAndExit: + + /* Reset globals for a new line */ + + Gbl_CurrentLineOffset += Gbl_CurrentColumn; + Gbl_CurrentColumn = 0; + Gbl_LineBufPtr = Gbl_CurrentLineBuffer; +} + + +/******************************************************************************* + * + * FUNCTION: AslPopInputFileStack + * + * PARAMETERS: None + * + * RETURN: 0 if a node was popped, -1 otherwise + * + * DESCRIPTION: Pop the top of the input file stack and point the parser to + * the saved parse buffer contained in the fnode. Also, set the + * global line counters to the saved values. This function is + * called when an include file reaches EOF. + * + ******************************************************************************/ + +int +AslPopInputFileStack ( + void) +{ + ASL_FILE_NODE *Fnode; + + + Fnode = Gbl_IncludeFileStack; + DbgPrint (ASL_PARSE_OUTPUT, + "\nPop InputFile Stack, Fnode %p\n\n", Fnode); + + if (!Fnode) + { + return (-1); + } + + /* Close the current include file */ + + fclose (yyin); + + /* Update the top-of-stack */ + + Gbl_IncludeFileStack = Fnode->Next; + + /* Reset global line counter and filename */ + + Gbl_Files[ASL_FILE_INPUT].Filename = Fnode->Filename; + Gbl_CurrentLineNumber = Fnode->CurrentLineNumber; + + /* Point the parser to the popped file */ + + yy_delete_buffer (YY_CURRENT_BUFFER); + yy_switch_to_buffer (Fnode->State); + + /* All done with this node */ + + ACPI_FREE (Fnode); + return (0); +} + + +/******************************************************************************* + * + * FUNCTION: AslPushInputFileStack + * + * PARAMETERS: InputFile - Open file pointer + * Filename - Name of the file + * + * RETURN: None + * + * DESCRIPTION: Push the InputFile onto the file stack, and point the parser + * to this file. Called when an include file is successfully + * opened. + * + ******************************************************************************/ + +void +AslPushInputFileStack ( + FILE *InputFile, + char *Filename) +{ + ASL_FILE_NODE *Fnode; + YY_BUFFER_STATE State; + + + /* Save the current state in an Fnode */ + + Fnode = UtLocalCalloc (sizeof (ASL_FILE_NODE)); + + Fnode->File = yyin; + Fnode->Next = Gbl_IncludeFileStack; + Fnode->State = YY_CURRENT_BUFFER; + Fnode->Filename = Gbl_Files[ASL_FILE_INPUT].Filename; + Fnode->CurrentLineNumber = Gbl_CurrentLineNumber; + + /* Push it on the stack */ + + Gbl_IncludeFileStack = Fnode; + + /* Point the parser to this file */ + + State = yy_create_buffer (InputFile, YY_BUF_SIZE); + yy_switch_to_buffer (State); + + DbgPrint (ASL_PARSE_OUTPUT, + "\nPush InputFile Stack, returning %p\n\n", InputFile); + + /* Reset the global line count and filename */ + + Gbl_Files[ASL_FILE_INPUT].Filename = + UtStringCacheCalloc (strlen (Filename) + 1); + + strcpy (Gbl_Files[ASL_FILE_INPUT].Filename, Filename); + + Gbl_CurrentLineNumber = 1; + yyin = InputFile; +} + + +/******************************************************************************* + * + * FUNCTION: AslResetCurrentLineBuffer + * + * PARAMETERS: None + * + * RETURN: None + * + * DESCRIPTION: Reset the Line Buffer to zero, increment global line numbers. + * + ******************************************************************************/ + +void +AslResetCurrentLineBuffer ( + void) +{ + + if (Gbl_Files[ASL_FILE_SOURCE_OUTPUT].Handle) + { + FlWriteFile (ASL_FILE_SOURCE_OUTPUT, Gbl_CurrentLineBuffer, + Gbl_LineBufPtr - Gbl_CurrentLineBuffer); + } + + Gbl_CurrentLineOffset += Gbl_CurrentColumn; + Gbl_CurrentColumn = 0; + + Gbl_CurrentLineNumber++; + Gbl_LogicalLineNumber++; + Gbl_LineBufPtr = Gbl_CurrentLineBuffer; +} + + +/******************************************************************************* + * + * FUNCTION: AslInsertLineBuffer + * + * PARAMETERS: SourceChar - One char from the input ASL source file + * + * RETURN: None + * + * DESCRIPTION: Put one character of the source file into the temp line buffer + * + ******************************************************************************/ + +void +AslInsertLineBuffer ( + int SourceChar) +{ + UINT32 i; + UINT32 Count = 1; + + + if (SourceChar == EOF) + { + return; + } + + Gbl_InputByteCount++; + + /* Handle tabs. Convert to spaces */ + + if (SourceChar == '\t') + { + SourceChar = ' '; + Count = ASL_SPACES_PER_TAB - + (Gbl_CurrentColumn & (ASL_SPACES_PER_TAB-1)); + } + + for (i = 0; i < Count; i++) + { + Gbl_CurrentColumn++; + + /* Insert the character into the line buffer */ + + *Gbl_LineBufPtr = (UINT8) SourceChar; + Gbl_LineBufPtr++; + + if (Gbl_LineBufPtr > + (Gbl_CurrentLineBuffer + (Gbl_LineBufferSize - 1))) + { +#if 0 + /* + * Warning if we have split a long source line. + * <Probably overkill> + */ + sprintf (MsgBuffer, "Max %u", Gbl_LineBufferSize); + AslCommonError (ASL_WARNING, ASL_MSG_LONG_LINE, + Gbl_CurrentLineNumber, Gbl_LogicalLineNumber, + Gbl_CurrentLineOffset, Gbl_CurrentColumn, + Gbl_Files[ASL_FILE_INPUT].Filename, MsgBuffer); +#endif + + AslResetCurrentLineBuffer (); + } + else if (SourceChar == '\n') + { + /* End of line */ + + AslResetCurrentLineBuffer (); + } + } +} + + +/******************************************************************************* + * + * FUNCTION: count + * + * PARAMETERS: yytext - Contains the matched keyword. + * Type - Keyword/Character type: + * 0 = anything except a keyword + * 1 = pseudo-keywords + * 2 = non-executable ASL keywords + * 3 = executable ASL keywords + * + * RETURN: None + * + * DESCRIPTION: Count keywords and put them into the line buffer + * + ******************************************************************************/ + +static void +count ( + int Type) +{ + int i; + + + switch (Type) + { + case 2: + + TotalKeywords++; + TotalNamedObjects++; + break; + + case 3: + + TotalKeywords++; + TotalExecutableOpcodes++; + break; + + default: + + break; + } + + for (i = 0; (yytext[i] != 0) && (yytext[i] != EOF); i++) + { + AslInsertLineBuffer (yytext[i]); + *Gbl_LineBufPtr = 0; + } +} + + +/******************************************************************************* + * + * FUNCTION: AslDoComment + * + * PARAMETERS: none + * + * RETURN: none + * + * DESCRIPTION: Process a standard comment. + * + ******************************************************************************/ + +static char +AslDoComment ( + void) +{ + int c; + int c1 = 0; + + + AslInsertLineBuffer ('/'); + AslInsertLineBuffer ('*'); + +loop: + + /* Eat chars until end-of-comment */ + + while (((c = input ()) != '*') && (c != EOF)) + { + AslInsertLineBuffer (c); + c1 = c; + } + + if (c == EOF) + { + goto EarlyEOF; + } + + /* + * Check for nested comment -- can help catch cases where a previous + * comment was accidently left unterminated + */ + if ((c1 == '/') && (c == '*')) + { + AslCommonError (ASL_WARNING, ASL_MSG_NESTED_COMMENT, + Gbl_CurrentLineNumber, Gbl_LogicalLineNumber, + Gbl_InputByteCount, Gbl_CurrentColumn, + Gbl_Files[ASL_FILE_INPUT].Filename, NULL); + } + + /* Comment is closed only if the NEXT character is a slash */ + + AslInsertLineBuffer (c); + + if (((c1 = input ()) != '/') && (c1 != EOF)) + { + unput(c1); + goto loop; + } + + if (c1 == EOF) + { + goto EarlyEOF; + } + + AslInsertLineBuffer (c1); + return (TRUE); + + +EarlyEOF: + /* + * Premature End-Of-File + */ + AslCommonError (ASL_ERROR, ASL_MSG_EARLY_EOF, + Gbl_CurrentLineNumber, Gbl_LogicalLineNumber, + Gbl_CurrentLineOffset, Gbl_CurrentColumn, + Gbl_Files[ASL_FILE_INPUT].Filename, NULL); + return (FALSE); +} + + +/******************************************************************************* + * + * FUNCTION: AslDoCommentType2 + * + * PARAMETERS: none + * + * RETURN: none + * + * DESCRIPTION: Process a new "//" comment. + * + ******************************************************************************/ + +static char +AslDoCommentType2 ( + void) +{ + int c; + + + AslInsertLineBuffer ('/'); + AslInsertLineBuffer ('/'); + + while (((c = input ()) != '\n') && (c != EOF)) + { + AslInsertLineBuffer (c); + } + + if (c == EOF) + { + /* End of file is OK, change to newline. Let parser detect EOF later */ + + c = '\n'; + } + + AslInsertLineBuffer (c); + return (TRUE); +} + + +/******************************************************************************* + * + * FUNCTION: AslDoStringLiteral + * + * PARAMETERS: none + * + * RETURN: none + * + * DESCRIPTION: Process a string literal (surrounded by quotes) + * + ******************************************************************************/ + +static char +AslDoStringLiteral ( + void) +{ + char *StringBuffer = MsgBuffer; + char *EndBuffer = MsgBuffer + ASL_MSG_BUFFER_SIZE; + char *CleanString; + int StringChar; + UINT32 State = ASL_NORMAL_CHAR; + UINT32 i = 0; + UINT8 Digit; + char ConvertBuffer[4]; + + + /* + * Eat chars until end-of-literal. + * NOTE: Put back the original surrounding quotes into the + * source line buffer. + */ + AslInsertLineBuffer ('\"'); + while ((StringChar = input()) != EOF) + { + AslInsertLineBuffer (StringChar); + +DoCharacter: + switch (State) + { + case ASL_NORMAL_CHAR: + + switch (StringChar) + { + case '\\': + /* + * Special handling for backslash-escape sequence. We will + * toss the backslash and translate the escape char(s). + */ + State = ASL_ESCAPE_SEQUENCE; + continue; + + case '\"': + + /* String terminator */ + + goto CompletedString; + + default: + + break; + } + break; + + + case ASL_ESCAPE_SEQUENCE: + + State = ASL_NORMAL_CHAR; + switch (StringChar) + { + case 'a': + + StringChar = 0x07; /* BELL */ + break; + + case 'b': + + StringChar = 0x08; /* BACKSPACE */ + break; + + case 'f': + + StringChar = 0x0C; /* FORMFEED */ + break; + + case 'n': + + StringChar = 0x0A; /* LINEFEED */ + break; + + case 'r': + + StringChar = 0x0D; /* CARRIAGE RETURN*/ + break; + + case 't': + + StringChar = 0x09; /* HORIZONTAL TAB */ + break; + + case 'v': + + StringChar = 0x0B; /* VERTICAL TAB */ + break; + + case 'x': + + State = ASL_HEX_CONSTANT; + i = 0; + continue; + + case '\'': /* Single Quote */ + case '\"': /* Double Quote */ + case '\\': /* Backslash */ + + break; + + default: + + /* Check for an octal digit (0-7) */ + + if (ACPI_IS_OCTAL_DIGIT (StringChar)) + { + State = ASL_OCTAL_CONSTANT; + ConvertBuffer[0] = StringChar; + i = 1; + continue; + } + + /* Unknown escape sequence issue warning, but use the character */ + + AslCommonError (ASL_WARNING, ASL_MSG_INVALID_ESCAPE, + Gbl_CurrentLineNumber, Gbl_LogicalLineNumber, + Gbl_CurrentLineOffset, Gbl_CurrentColumn, + Gbl_Files[ASL_FILE_INPUT].Filename, NULL); + break; + } + break; + + + case ASL_OCTAL_CONSTANT: + + /* Up to three octal digits allowed */ + + if (!ACPI_IS_OCTAL_DIGIT (StringChar) || + (i > 2)) + { + /* + * Reached end of the constant. Convert the assembled ASCII + * string and resume processing of the next character + */ + ConvertBuffer[i] = 0; + Digit = (UINT8) ACPI_STRTOUL (ConvertBuffer, NULL, 8); + + /* Check for NULL or non-ascii character (ignore if so) */ + + if ((Digit == 0) || (Digit > ACPI_ASCII_MAX)) + { + AslCommonError (ASL_WARNING, ASL_MSG_INVALID_STRING, + Gbl_CurrentLineNumber, Gbl_LogicalLineNumber, + Gbl_CurrentLineOffset, Gbl_CurrentColumn, + Gbl_Files[ASL_FILE_INPUT].Filename, NULL); + } + else + { + *StringBuffer = (char) Digit; + StringBuffer++; + if (StringBuffer >= EndBuffer) + { + goto BufferOverflow; + } + } + + State = ASL_NORMAL_CHAR; + goto DoCharacter; + break; + } + + /* Append another digit of the constant */ + + ConvertBuffer[i] = StringChar; + i++; + continue; + + case ASL_HEX_CONSTANT: + + /* Up to two hex digits allowed */ + + if (!ACPI_IS_XDIGIT (StringChar) || + (i > 1)) + { + /* + * Reached end of the constant. Convert the assembled ASCII + * string and resume processing of the next character + */ + ConvertBuffer[i] = 0; + Digit = (UINT8) ACPI_STRTOUL (ConvertBuffer, NULL, 16); + + /* Check for NULL or non-ascii character (ignore if so) */ + + if ((Digit == 0) || (Digit > ACPI_ASCII_MAX)) + { + AslCommonError (ASL_WARNING, ASL_MSG_INVALID_STRING, + Gbl_CurrentLineNumber, Gbl_LogicalLineNumber, + Gbl_CurrentLineOffset, Gbl_CurrentColumn, + Gbl_Files[ASL_FILE_INPUT].Filename, NULL); + } + else + { + *StringBuffer = (char) Digit; + StringBuffer++; + if (StringBuffer >= EndBuffer) + { + goto BufferOverflow; + } + } + + State = ASL_NORMAL_CHAR; + goto DoCharacter; + break; + } + + /* Append another digit of the constant */ + + ConvertBuffer[i] = StringChar; + i++; + continue; + + default: + + break; + } + + /* Save the finished character */ + + *StringBuffer = StringChar; + StringBuffer++; + if (StringBuffer >= EndBuffer) + { + goto BufferOverflow; + } + } + + /* + * Premature End-Of-File + */ + AslCommonError (ASL_ERROR, ASL_MSG_EARLY_EOF, + Gbl_CurrentLineNumber, Gbl_LogicalLineNumber, + Gbl_CurrentLineOffset, Gbl_CurrentColumn, + Gbl_Files[ASL_FILE_INPUT].Filename, NULL); + return (FALSE); + + +CompletedString: + /* + * Null terminate the input string and copy string to a new buffer + */ + *StringBuffer = 0; + + CleanString = UtStringCacheCalloc (strlen (MsgBuffer) + 1); + if (!CleanString) + { + AslCommonError (ASL_ERROR, ASL_MSG_MEMORY_ALLOCATION, + Gbl_CurrentLineNumber, Gbl_LogicalLineNumber, + Gbl_CurrentLineOffset, Gbl_CurrentColumn, + Gbl_Files[ASL_FILE_INPUT].Filename, NULL); + return (FALSE); + } + + ACPI_STRCPY (CleanString, MsgBuffer); + AslCompilerlval.s = CleanString; + return (TRUE); + + +BufferOverflow: + + /* Literal was too long */ + + AslCommonError (ASL_ERROR, ASL_MSG_STRING_LENGTH, + Gbl_CurrentLineNumber, Gbl_LogicalLineNumber, + Gbl_CurrentLineOffset, Gbl_CurrentColumn, + Gbl_Files[ASL_FILE_INPUT].Filename, "Max length 4096"); + return (FALSE); +} |