1233237Sjkim%{ 2233237Sjkim/****************************************************************************** 3233237Sjkim * 4233237Sjkim * Module Name: prparser.l - Flex input file for preprocessor lexer 5233237Sjkim * 6233237Sjkim *****************************************************************************/ 7233237Sjkim 8233237Sjkim/* 9281075Sdim * Copyright (C) 2000 - 2015, Intel Corp. 10233237Sjkim * All rights reserved. 11233237Sjkim * 12233237Sjkim * Redistribution and use in source and binary forms, with or without 13233237Sjkim * modification, are permitted provided that the following conditions 14233237Sjkim * are met: 15233237Sjkim * 1. Redistributions of source code must retain the above copyright 16233237Sjkim * notice, this list of conditions, and the following disclaimer, 17233237Sjkim * without modification. 18233237Sjkim * 2. Redistributions in binary form must reproduce at minimum a disclaimer 19233237Sjkim * substantially similar to the "NO WARRANTY" disclaimer below 20233237Sjkim * ("Disclaimer") and any redistribution must be conditioned upon 21233237Sjkim * including a substantially similar Disclaimer requirement for further 22233237Sjkim * binary redistribution. 23233237Sjkim * 3. Neither the names of the above-listed copyright holders nor the names 24233237Sjkim * of any contributors may be used to endorse or promote products derived 25233237Sjkim * from this software without specific prior written permission. 26233237Sjkim * 27233237Sjkim * Alternatively, this software may be distributed under the terms of the 28233237Sjkim * GNU General Public License ("GPL") version 2 as published by the Free 29233237Sjkim * Software Foundation. 30233237Sjkim * 31233237Sjkim * NO WARRANTY 32233237Sjkim * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 33233237Sjkim * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 34233237Sjkim * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 35233237Sjkim * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 36233237Sjkim * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 37233237Sjkim * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 38233237Sjkim * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 39233237Sjkim * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 40233237Sjkim * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 41233237Sjkim * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 42233237Sjkim * POSSIBILITY OF SUCH DAMAGES. 43233237Sjkim */ 44233237Sjkim 45233250Sjkim#include <contrib/dev/acpica/compiler/aslcompiler.h> 46233237Sjkim#include "prparser.y.h" 47233237Sjkim 48233237Sjkim/* Buffer to pass strings to the parser */ 49233237Sjkim 50233237Sjkim#define STRING_SETUP strcpy (StringBuffer, PrParsertext);\ 51233237Sjkim PrParserlval.str = StringBuffer 52233237Sjkim 53233237Sjkim#define YY_NO_INPUT /* No file input, we use strings only */ 54233237Sjkim 55233237Sjkim#define _COMPONENT ACPI_COMPILER 56233237Sjkim ACPI_MODULE_NAME ("prscanner") 57233237Sjkim%} 58233237Sjkim 59233237Sjkim%option noyywrap 60233237Sjkim%option nounput 61233237Sjkim 62233237SjkimNumber [0-9a-fA-F]+ 63233237SjkimHexNumber 0[xX][0-9a-fA-F]+ 64233237SjkimWhiteSpace [ \t\v\r]+ 65233237SjkimNewLine [\n] 66233237SjkimIdentifier [a-zA-Z][0-9a-zA-Z]* 67233237Sjkim 68233237Sjkim%% 69233237Sjkim 70233237Sjkim\( return (EXPOP_PAREN_OPEN); 71233237Sjkim\) return (EXPOP_PAREN_CLOSE); 72233237Sjkim\~ return (EXPOP_ONES_COMPLIMENT); 73233237Sjkim\! return (EXPOP_LOGICAL_NOT); 74233237Sjkim\* return (EXPOP_MULTIPLY); 75233237Sjkim\/ return (EXPOP_DIVIDE); 76233237Sjkim\% return (EXPOP_MODULO); 77233237Sjkim\+ return (EXPOP_ADD); 78233237Sjkim\- return (EXPOP_SUBTRACT); 79233237Sjkim">>" return (EXPOP_SHIFT_RIGHT); 80233237Sjkim"<<" return (EXPOP_SHIFT_LEFT); 81233237Sjkim\< return (EXPOP_LESS); 82233237Sjkim\> return (EXPOP_GREATER); 83233237Sjkim"<=" return (EXPOP_LESS_EQUAL); 84233237Sjkim">=" return (EXPOP_GREATER_EQUAL); 85233237Sjkim"==" return (EXPOP_EQUAL); 86233237Sjkim"!=" return (EXPOP_NOT_EQUAL); 87233237Sjkim\& return (EXPOP_AND); 88233237Sjkim\^ return (EXPOP_XOR); 89233237Sjkim\| return (EXPOP_OR); 90233237Sjkim"&&" return (EXPOP_LOGICAL_AND); 91233237Sjkim"||" return (EXPOP_LOGICAL_OR); 92233237Sjkim 93233237Sjkim"defined" return (EXPOP_DEFINE); 94233237Sjkim{Identifier} {STRING_SETUP; return (EXPOP_IDENTIFIER);} 95233237Sjkim 96233237Sjkim<<EOF>> return (EXPOP_EOF); /* null end-of-string */ 97233237Sjkim 98233237Sjkim{Number} return (EXPOP_NUMBER); 99233237Sjkim{HexNumber} return (EXPOP_HEX_NUMBER); 100233237Sjkim{NewLine} return (EXPOP_NEW_LINE); 101233237Sjkim{WhiteSpace} /* Ignore */ 102233237Sjkim 103233237Sjkim. return (EXPOP_EOF); 104233237Sjkim%% 105233237Sjkim 106233237Sjkim/* 107233237Sjkim * Local support functions 108233237Sjkim */ 109233237SjkimYY_BUFFER_STATE LexBuffer; 110233237Sjkim 111233237Sjkim 112233237Sjkim/****************************************************************************** 113233237Sjkim * 114233237Sjkim * FUNCTION: PrInitLexer 115233237Sjkim * 116233237Sjkim * PARAMETERS: String - Input string to be parsed 117233237Sjkim * 118233237Sjkim * RETURN: TRUE if parser returns NULL. FALSE otherwise. 119233237Sjkim * 120233237Sjkim * DESCRIPTION: Initialization routine for lexer. The lexer needs 121233237Sjkim * a buffer to handle strings instead of a file. 122233237Sjkim * 123233237Sjkim *****************************************************************************/ 124233237Sjkim 125233237Sjkimint 126233237SjkimPrInitLexer ( 127233237Sjkim char *String) 128233237Sjkim{ 129233237Sjkim 130233237Sjkim LexBuffer = yy_scan_string (String); 131233237Sjkim return (LexBuffer == NULL); 132233237Sjkim} 133233237Sjkim 134233237Sjkim 135233237Sjkim/****************************************************************************** 136233237Sjkim * 137233237Sjkim * FUNCTION: PrTerminateLexer 138233237Sjkim * 139233237Sjkim * PARAMETERS: None 140233237Sjkim * 141233237Sjkim * RETURN: None 142233237Sjkim * 143233237Sjkim * DESCRIPTION: Termination routine for thelexer. 144233237Sjkim * 145233237Sjkim *****************************************************************************/ 146233237Sjkim 147233237Sjkimvoid 148233237SjkimPrTerminateLexer ( 149233237Sjkim void) 150233237Sjkim{ 151233237Sjkim 152233237Sjkim yy_delete_buffer (LexBuffer); 153233237Sjkim} 154