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%{
/******************************************************************************
*
* Module Name: dtparser.l - Flex input file for table compiler lexer
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2014, 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.
*/
#include "aslcompiler.h"
#include "dtparser.y.h"
#define YY_NO_INPUT /* No file input, we use strings only */
#define _COMPONENT ACPI_COMPILER
ACPI_MODULE_NAME ("dtscanner")
%}
%option noyywrap
%option nounput
Number [0-9a-fA-F]+
HexNumber 0[xX][0-9a-fA-F]+
DecimalNumber 0[dD][0-9]+
LabelRef $[a-zA-Z][0-9a-zA-Z]*
WhiteSpace [ \t\v\r]+
NewLine [\n]
%%
\( return (EXPOP_PAREN_OPEN);
\) return (EXPOP_PAREN_CLOSE);
\~ return (EXPOP_ONES_COMPLIMENT);
\! return (EXPOP_LOGICAL_NOT);
\* return (EXPOP_MULTIPLY);
\/ return (EXPOP_DIVIDE);
\% return (EXPOP_MODULO);
\+ return (EXPOP_ADD);
\- return (EXPOP_SUBTRACT);
">>" return (EXPOP_SHIFT_RIGHT);
"<<" return (EXPOP_SHIFT_LEFT);
\< return (EXPOP_LESS);
\> return (EXPOP_GREATER);
"<=" return (EXPOP_LESS_EQUAL);
">=" return (EXPOP_GREATER_EQUAL);
"==" return (EXPOP_EQUAL);
"!=" return (EXPOP_NOT_EQUAL);
\& return (EXPOP_AND);
\^ return (EXPOP_XOR);
\| return (EXPOP_OR);
"&&" return (EXPOP_LOGICAL_AND);
"||" return (EXPOP_LOGICAL_OR);
<<EOF>> return (EXPOP_EOF); /* null end-of-string */
{LabelRef} return (EXPOP_LABEL);
{Number} return (EXPOP_NUMBER);
{HexNumber} return (EXPOP_HEX_NUMBER);
{NewLine} return (EXPOP_NEW_LINE);
{WhiteSpace} /* Ignore */
. return (EXPOP_EOF);
%%
/*
* Local support functions
*/
YY_BUFFER_STATE LexBuffer;
/******************************************************************************
*
* FUNCTION: DtInitLexer, DtTerminateLexer
*
* PARAMETERS: String - Input string to be parsed
*
* RETURN: None
*
* DESCRIPTION: Initialization and termination routines for lexer. Lexer needs
* a buffer to handle strings instead of a file.
*
*****************************************************************************/
int
DtInitLexer (
char *String)
{
LexBuffer = yy_scan_string (String);
return (LexBuffer == NULL);
}
void
DtTerminateLexer (
void)
{
yy_delete_buffer (LexBuffer);
}
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