%{
/******************************************************************************
*
* Module Name: prparser.l - Flex input file for preprocessor lexer
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2017, 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.
*
*****************************************************************************
*
* Alternatively, you may choose to be licensed under the terms of the
* following license:
*
* 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.
*
* 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 MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* 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 DAMAGE.
*
* Alternatively, you may choose to be licensed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
*****************************************************************************/
#include <contrib/dev/acpica/compiler/aslcompiler.h>
#include "prparser.y.h"
/* Buffer to pass strings to the parser */
#define STRING_SETUP strcpy (StringBuffer, PrParsertext);\
PrParserlval.str = StringBuffer
#define _COMPONENT ACPI_COMPILER
ACPI_MODULE_NAME ("prscanner")
/* Local prototypes */
static char
PrDoCommentType1 (
void);
static char
PrDoCommentType2 (
void);
%}
%option noyywrap
Number [0-9a-fA-F]+
HexNumber 0[xX][0-9a-fA-F]+
WhiteSpace [ \t\v\r]+
NewLine [\n]
Identifier [a-zA-Z][0-9a-zA-Z]*
%%
"/*" { if (!PrDoCommentType1 ()) {yyterminate ();} }
"//" { if (!PrDoCommentType2 ()) {yyterminate ();} }
\( return (EXPOP_PAREN_OPEN);
\) 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);
"defined" return (EXPOP_DEFINE);
{Identifier} {STRING_SETUP; return (EXPOP_IDENTIFIER);}
<<EOF>> return (EXPOP_EOF); /* null end-of-string */
{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: PrInitLexer
*
* PARAMETERS: String - Input string to be parsed
*
* RETURN: TRUE if parser returns NULL. FALSE otherwise.
*
* DESCRIPTION: Initialization routine for lexer. The lexer needs
* a buffer to handle strings instead of a file.
*
*****************************************************************************/
int
PrInitLexer (
char *String)
{
LexBuffer = yy_scan_string (String);
return (LexBuffer == NULL);
}
/******************************************************************************
*
* FUNCTION: PrTerminateLexer
*
* PARAMETERS: None
*
* RETURN: None
*
* DESCRIPTION: Termination routine for thelexer.
*
*****************************************************************************/
void
PrTerminateLexer (
void)
{
yy_delete_buffer (LexBuffer);
}
/********************************************************************************
*
* FUNCTION: PrDoCommentType1
*
* PARAMETERS: none
*
* RETURN: none
*
* DESCRIPTION: Process a new legacy comment. Just toss it.
*
******************************************************************************/
static char
PrDoCommentType1 (
void)
{
int c;
Loop:
while (((c = input ()) != '*') && (c != EOF))
{
}
if (c == EOF)
{
return (FALSE);
}
if (((c = input ()) != '/') && (c != EOF))
{
unput (c);
goto Loop;
}
if (c == EOF)
{
return (FALSE);
}
return (TRUE);
}
/********************************************************************************
*
* FUNCTION: PrDoCommentType2
*
* PARAMETERS: none
*
* RETURN: none
*
* DESCRIPTION: Process a new "//" comment. Just toss it.
*
******************************************************************************/
static char
PrDoCommentType2 (
void)
{
int c;
while (((c = input ()) != '\n') && (c != EOF))
{
}
if (c == EOF)
{
return (FALSE);
}
return (TRUE);
}