206 lines
8.5 KiB
Plaintext
206 lines
8.5 KiB
Plaintext
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%{
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/******************************************************************************
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*
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* Module Name: dtparser.l - Flex input file for table compiler lexer
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*
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*****************************************************************************/
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/******************************************************************************
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*
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* 1. Copyright Notice
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*
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* Some or all of this work - Copyright (c) 1999 - 2011, Intel Corp.
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* All rights reserved.
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*
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* 2. License
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*
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* 2.1. This is your license from Intel Corp. under its intellectual property
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* rights. You may have additional license terms from the party that provided
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* you this software, covering your right to use that party's intellectual
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* property rights.
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*
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* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
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* copy of the source code appearing in this file ("Covered Code") an
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* irrevocable, perpetual, worldwide license under Intel's copyrights in the
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* base code distributed originally by Intel ("Original Intel Code") to copy,
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* make derivatives, distribute, use and display any portion of the Covered
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* Code in any form, with the right to sublicense such rights; and
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*
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* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
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* license (with the right to sublicense), under only those claims of Intel
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* patents that are infringed by the Original Intel Code, to make, use, sell,
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* offer to sell, and import the Covered Code and derivative works thereof
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* solely to the minimum extent necessary to exercise the above copyright
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* license, and in no event shall the patent license extend to any additions
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* to or modifications of the Original Intel Code. No other license or right
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* is granted directly or by implication, estoppel or otherwise;
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*
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* The above copyright and patent license is granted only if the following
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* conditions are met:
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*
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* 3. Conditions
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*
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* 3.1. Redistribution of Source with Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification with rights to further distribute source must include
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* the above Copyright Notice, the above License, this list of Conditions,
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* and the following Disclaimer and Export Compliance provision. In addition,
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* Licensee must cause all Covered Code to which Licensee contributes to
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* contain a file documenting the changes Licensee made to create that Covered
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* Code and the date of any change. Licensee must include in that file the
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* documentation of any changes made by any predecessor Licensee. Licensee
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* must include a prominent statement that the modification is derived,
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* directly or indirectly, from Original Intel Code.
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*
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* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification without rights to further distribute source must
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* include the following Disclaimer and Export Compliance provision in the
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* documentation and/or other materials provided with distribution. In
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* addition, Licensee may not authorize further sublicense of source of any
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* portion of the Covered Code, and must include terms to the effect that the
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* license from Licensee to its licensee is limited to the intellectual
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* property embodied in the software Licensee provides to its licensee, and
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* not to intellectual property embodied in modifications its licensee may
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* make.
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*
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* 3.3. Redistribution of Executable. Redistribution in executable form of any
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* substantial portion of the Covered Code or modification must reproduce the
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* above Copyright Notice, and the following Disclaimer and Export Compliance
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* provision in the documentation and/or other materials provided with the
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* distribution.
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*
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* 3.4. Intel retains all right, title, and interest in and to the Original
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* Intel Code.
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*
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* 3.5. Neither the name Intel nor any other trademark owned or controlled by
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* Intel shall be used in advertising or otherwise to promote the sale, use or
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* other dealings in products derived from or relating to the Covered Code
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* without prior written authorization from Intel.
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*
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* 4. Disclaimer and Export Compliance
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*
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* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
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* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
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* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
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* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
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* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
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* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
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* PARTICULAR PURPOSE.
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*
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* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
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* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
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* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
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* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
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* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
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* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
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* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
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* LIMITED REMEDY.
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*
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* 4.3. Licensee shall not export, either directly or indirectly, any of this
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* software or system incorporating such software without first obtaining any
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* required license or other approval from the U. S. Department of Commerce or
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* any other agency or department of the United States Government. In the
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* event Licensee exports any such software from the United States or
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* re-exports any such software from a foreign destination, Licensee shall
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* ensure that the distribution and export/re-export of the software is in
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* compliance with all laws, regulations, orders, or other restrictions of the
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* U.S. Export Administration Regulations. Licensee agrees that neither it nor
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* any of its subsidiaries will export/re-export any technical data, process,
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* software, or service, directly or indirectly, to any country for which the
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* United States government or any agency thereof requires an export license,
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* other governmental approval, or letter of assurance, without first obtaining
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* such license, approval or letter.
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*
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*****************************************************************************/
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#include "aslcompiler.h"
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#include "dtparser.y.h"
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#define YY_NO_INPUT /* No file input, we use strings only */
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#define _COMPONENT ACPI_COMPILER
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ACPI_MODULE_NAME ("dtscanner")
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%}
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%option noyywrap
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%option nounput
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Number [0-9a-fA-F]+
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HexNumber 0[xX][0-9a-fA-F]+
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DecimalNumber 0[dD][0-9]+
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LabelRef $[a-zA-Z][0-9a-zA-Z]*
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WhiteSpace [ \t\v\r]+
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NewLine [\n]
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%%
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\( return (EXPOP_PAREN_OPEN);
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\) return (EXPOP_PAREN_CLOSE);
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\~ return (EXPOP_ONES_COMPLIMENT);
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\! return (EXPOP_LOGICAL_NOT);
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\* return (EXPOP_MULTIPLY);
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\/ return (EXPOP_DIVIDE);
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\% return (EXPOP_MODULO);
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\+ return (EXPOP_ADD);
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\- return (EXPOP_SUBTRACT);
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">>" return (EXPOP_SHIFT_RIGHT);
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"<<" return (EXPOP_SHIFT_LEFT);
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\< return (EXPOP_LESS);
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\> return (EXPOP_GREATER);
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"<=" return (EXPOP_LESS_EQUAL);
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">=" return (EXPOP_GREATER_EQUAL);
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"==" return (EXPOP_EQUAL);
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"!=" return (EXPOP_NOT_EQUAL);
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\& return (EXPOP_AND);
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\^ return (EXPOP_XOR);
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\| return (EXPOP_OR);
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"&&" return (EXPOP_LOGICAL_AND);
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"||" return (EXPOP_LOGICAL_OR);
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<<EOF>> return (EXPOP_EOF); /* null end-of-string */
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{LabelRef} return (EXPOP_LABEL);
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{Number} return (EXPOP_NUMBER);
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{HexNumber} return (EXPOP_HEX_NUMBER);
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{NewLine} return (EXPOP_NEW_LINE);
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{WhiteSpace} /* Ignore */
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. return (EXPOP_EOF);
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%%
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/*
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* Local support functions
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*/
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YY_BUFFER_STATE LexBuffer;
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/******************************************************************************
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*
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* FUNCTION: DtInitLexer, DtTerminateLexer
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*
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* PARAMETERS: String - Input string to be parsed
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*
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* RETURN: None
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*
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* DESCRIPTION: Initialization and termination routines for lexer. Lexer needs
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* a buffer to handle strings instead of a file.
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*
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*****************************************************************************/
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int
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DtInitLexer (
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char *String)
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{
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LexBuffer = yy_scan_string (String);
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return (LexBuffer == NULL);
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}
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void
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DtTerminateLexer (
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void)
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{
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yy_delete_buffer (LexBuffer);
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}
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