1 %{ 2 /****************************************************************************** 3 * 4 * Module Name: aslparser.y - Master Bison/Yacc input file for iASL 5 * 6 *****************************************************************************/ 7 8 /* 9 * Copyright (C) 2000 - 2015, Intel Corp. 10 * All rights reserved. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions, and the following disclaimer, 17 * without modification. 18 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 19 * substantially similar to the "NO WARRANTY" disclaimer below 20 * ("Disclaimer") and any redistribution must be conditioned upon 21 * including a substantially similar Disclaimer requirement for further 22 * binary redistribution. 23 * 3. Neither the names of the above-listed copyright holders nor the names 24 * of any contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * Alternatively, this software may be distributed under the terms of the 28 * GNU General Public License ("GPL") version 2 as published by the Free 29 * Software Foundation. 30 * 31 * NO WARRANTY 32 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 33 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 34 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 35 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 36 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 37 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 38 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 40 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 41 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 42 * POSSIBILITY OF SUCH DAMAGES. 43 */ 44 45 #include <contrib/dev/acpica/compiler/aslcompiler.h> 46 #include <contrib/dev/acpica/include/acpi.h> 47 #include <contrib/dev/acpica/include/accommon.h> 48 49 #define _COMPONENT ACPI_COMPILER 50 ACPI_MODULE_NAME ("aslparse") 51 52 /* 53 * Global Notes: 54 * 55 * October 2005: The following list terms have been optimized (from the 56 * original ASL grammar in the ACPI specification) to force the immediate 57 * reduction of each list item so that the parse stack use doesn't increase on 58 * each list element and possibly overflow on very large lists (>4000 items). 59 * This dramatically reduces use of the parse stack overall. 60 * 61 * ArgList, TermList, Objectlist, ByteList, DWordList, PackageList, 62 * ResourceMacroList, and FieldUnitList 63 */ 64 65 void * 66 AslLocalAllocate ( 67 unsigned int Size); 68 69 /* Bison/yacc configuration */ 70 71 #define static 72 #undef malloc 73 #define malloc AslLocalAllocate 74 #undef alloca 75 #define alloca AslLocalAllocate 76 #define yytname AslCompilername 77 78 #define YYINITDEPTH 600 /* State stack depth */ 79 #define YYDEBUG 1 /* Enable debug output */ 80 #define YYERROR_VERBOSE 1 /* Verbose error messages */ 81 #define YYFLAG -32768 82 83 /* Define YYMALLOC/YYFREE to prevent redefinition errors */ 84 85 #define YYMALLOC AslLocalAllocate 86 #define YYFREE ACPI_FREE 87 %} 88 89 /* 90 * Declare the type of values in the grammar 91 */ 92 %union { 93 UINT64 i; 94 char *s; 95 ACPI_PARSE_OBJECT *n; 96 } 97 98 /* 99 * These shift/reduce conflicts are expected. There should be zero 100 * reduce/reduce conflicts. 101 */ 102 %expect 89 103 104 /*! [Begin] no source code translation */ 105 106 /* 107 * The M4 macro processor is used to bring in the parser items, 108 * in order to keep this master file smaller, and to break up 109 * the various parser items. 110 */ 111 m4_define(NoEcho) 112 113 /* Token types */ 114 115 m4_include(asltokens.y) 116 117 /* Production types/names */ 118 119 m4_include(asltypes.y) 120 %% 121 122 /* Production rules */ 123 124 m4_include(aslrules.y) 125 %% 126 127 /*! [End] no source code translation !*/ 128 129 /* Local support functions in C */ 130 131 m4_include(aslsupport.y) 132