xref: /freebsd/sys/contrib/dev/acpica/compiler/aslparser.y (revision 7d8f797b725e3efc0a4256554654780df83c456c)
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