134 lines
4.4 KiB
Plaintext
134 lines
4.4 KiB
Plaintext
%{
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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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* Copyright (C) 2000 - 2014, 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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#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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