10d02842fSSascha Wildner %{
20d02842fSSascha Wildner /******************************************************************************
30d02842fSSascha Wildner *
40d02842fSSascha Wildner * Module Name: dtparser.y - Bison input file for table compiler parser
50d02842fSSascha Wildner *
60d02842fSSascha Wildner *****************************************************************************/
70d02842fSSascha Wildner
8b4315fc7SSascha Wildner /******************************************************************************
9b4315fc7SSascha Wildner *
10b4315fc7SSascha Wildner * 1. Copyright Notice
11b4315fc7SSascha Wildner *
12*383048acSSascha Wildner * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
130d02842fSSascha Wildner * All rights reserved.
140d02842fSSascha Wildner *
15b4315fc7SSascha Wildner * 2. License
16b4315fc7SSascha Wildner *
17b4315fc7SSascha Wildner * 2.1. This is your license from Intel Corp. under its intellectual property
18b4315fc7SSascha Wildner * rights. You may have additional license terms from the party that provided
19b4315fc7SSascha Wildner * you this software, covering your right to use that party's intellectual
20b4315fc7SSascha Wildner * property rights.
21b4315fc7SSascha Wildner *
22b4315fc7SSascha Wildner * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
23b4315fc7SSascha Wildner * copy of the source code appearing in this file ("Covered Code") an
24b4315fc7SSascha Wildner * irrevocable, perpetual, worldwide license under Intel's copyrights in the
25b4315fc7SSascha Wildner * base code distributed originally by Intel ("Original Intel Code") to copy,
26b4315fc7SSascha Wildner * make derivatives, distribute, use and display any portion of the Covered
27b4315fc7SSascha Wildner * Code in any form, with the right to sublicense such rights; and
28b4315fc7SSascha Wildner *
29b4315fc7SSascha Wildner * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
30b4315fc7SSascha Wildner * license (with the right to sublicense), under only those claims of Intel
31b4315fc7SSascha Wildner * patents that are infringed by the Original Intel Code, to make, use, sell,
32b4315fc7SSascha Wildner * offer to sell, and import the Covered Code and derivative works thereof
33b4315fc7SSascha Wildner * solely to the minimum extent necessary to exercise the above copyright
34b4315fc7SSascha Wildner * license, and in no event shall the patent license extend to any additions
35b4315fc7SSascha Wildner * to or modifications of the Original Intel Code. No other license or right
36b4315fc7SSascha Wildner * is granted directly or by implication, estoppel or otherwise;
37b4315fc7SSascha Wildner *
38b4315fc7SSascha Wildner * The above copyright and patent license is granted only if the following
39b4315fc7SSascha Wildner * conditions are met:
40b4315fc7SSascha Wildner *
41b4315fc7SSascha Wildner * 3. Conditions
42b4315fc7SSascha Wildner *
43b4315fc7SSascha Wildner * 3.1. Redistribution of Source with Rights to Further Distribute Source.
44b4315fc7SSascha Wildner * Redistribution of source code of any substantial portion of the Covered
45b4315fc7SSascha Wildner * Code or modification with rights to further distribute source must include
46b4315fc7SSascha Wildner * the above Copyright Notice, the above License, this list of Conditions,
47b4315fc7SSascha Wildner * and the following Disclaimer and Export Compliance provision. In addition,
48b4315fc7SSascha Wildner * Licensee must cause all Covered Code to which Licensee contributes to
49b4315fc7SSascha Wildner * contain a file documenting the changes Licensee made to create that Covered
50b4315fc7SSascha Wildner * Code and the date of any change. Licensee must include in that file the
51b4315fc7SSascha Wildner * documentation of any changes made by any predecessor Licensee. Licensee
52b4315fc7SSascha Wildner * must include a prominent statement that the modification is derived,
53b4315fc7SSascha Wildner * directly or indirectly, from Original Intel Code.
54b4315fc7SSascha Wildner *
55b4315fc7SSascha Wildner * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
56b4315fc7SSascha Wildner * Redistribution of source code of any substantial portion of the Covered
57b4315fc7SSascha Wildner * Code or modification without rights to further distribute source must
58b4315fc7SSascha Wildner * include the following Disclaimer and Export Compliance provision in the
59b4315fc7SSascha Wildner * documentation and/or other materials provided with distribution. In
60b4315fc7SSascha Wildner * addition, Licensee may not authorize further sublicense of source of any
61b4315fc7SSascha Wildner * portion of the Covered Code, and must include terms to the effect that the
62b4315fc7SSascha Wildner * license from Licensee to its licensee is limited to the intellectual
63b4315fc7SSascha Wildner * property embodied in the software Licensee provides to its licensee, and
64b4315fc7SSascha Wildner * not to intellectual property embodied in modifications its licensee may
65b4315fc7SSascha Wildner * make.
66b4315fc7SSascha Wildner *
67b4315fc7SSascha Wildner * 3.3. Redistribution of Executable. Redistribution in executable form of any
68b4315fc7SSascha Wildner * substantial portion of the Covered Code or modification must reproduce the
69b4315fc7SSascha Wildner * above Copyright Notice, and the following Disclaimer and Export Compliance
70b4315fc7SSascha Wildner * provision in the documentation and/or other materials provided with the
71b4315fc7SSascha Wildner * distribution.
72b4315fc7SSascha Wildner *
73b4315fc7SSascha Wildner * 3.4. Intel retains all right, title, and interest in and to the Original
74b4315fc7SSascha Wildner * Intel Code.
75b4315fc7SSascha Wildner *
76b4315fc7SSascha Wildner * 3.5. Neither the name Intel nor any other trademark owned or controlled by
77b4315fc7SSascha Wildner * Intel shall be used in advertising or otherwise to promote the sale, use or
78b4315fc7SSascha Wildner * other dealings in products derived from or relating to the Covered Code
79b4315fc7SSascha Wildner * without prior written authorization from Intel.
80b4315fc7SSascha Wildner *
81b4315fc7SSascha Wildner * 4. Disclaimer and Export Compliance
82b4315fc7SSascha Wildner *
83b4315fc7SSascha Wildner * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
84b4315fc7SSascha Wildner * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
85b4315fc7SSascha Wildner * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
86b4315fc7SSascha Wildner * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
87b4315fc7SSascha Wildner * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
88b4315fc7SSascha Wildner * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
89b4315fc7SSascha Wildner * PARTICULAR PURPOSE.
90b4315fc7SSascha Wildner *
91b4315fc7SSascha Wildner * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
92b4315fc7SSascha Wildner * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
93b4315fc7SSascha Wildner * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
94b4315fc7SSascha Wildner * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
95b4315fc7SSascha Wildner * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
96b4315fc7SSascha Wildner * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
97b4315fc7SSascha Wildner * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
98b4315fc7SSascha Wildner * LIMITED REMEDY.
99b4315fc7SSascha Wildner *
100b4315fc7SSascha Wildner * 4.3. Licensee shall not export, either directly or indirectly, any of this
101b4315fc7SSascha Wildner * software or system incorporating such software without first obtaining any
102b4315fc7SSascha Wildner * required license or other approval from the U. S. Department of Commerce or
103b4315fc7SSascha Wildner * any other agency or department of the United States Government. In the
104b4315fc7SSascha Wildner * event Licensee exports any such software from the United States or
105b4315fc7SSascha Wildner * re-exports any such software from a foreign destination, Licensee shall
106b4315fc7SSascha Wildner * ensure that the distribution and export/re-export of the software is in
107b4315fc7SSascha Wildner * compliance with all laws, regulations, orders, or other restrictions of the
108b4315fc7SSascha Wildner * U.S. Export Administration Regulations. Licensee agrees that neither it nor
109b4315fc7SSascha Wildner * any of its subsidiaries will export/re-export any technical data, process,
110b4315fc7SSascha Wildner * software, or service, directly or indirectly, to any country for which the
111b4315fc7SSascha Wildner * United States government or any agency thereof requires an export license,
112b4315fc7SSascha Wildner * other governmental approval, or letter of assurance, without first obtaining
113b4315fc7SSascha Wildner * such license, approval or letter.
114b4315fc7SSascha Wildner *
115b4315fc7SSascha Wildner *****************************************************************************
116b4315fc7SSascha Wildner *
117b4315fc7SSascha Wildner * Alternatively, you may choose to be licensed under the terms of the
118b4315fc7SSascha Wildner * following license:
119b4315fc7SSascha Wildner *
1200d02842fSSascha Wildner * Redistribution and use in source and binary forms, with or without
1210d02842fSSascha Wildner * modification, are permitted provided that the following conditions
1220d02842fSSascha Wildner * are met:
1230d02842fSSascha Wildner * 1. Redistributions of source code must retain the above copyright
1240d02842fSSascha Wildner * notice, this list of conditions, and the following disclaimer,
1250d02842fSSascha Wildner * without modification.
1260d02842fSSascha Wildner * 2. Redistributions in binary form must reproduce at minimum a disclaimer
1270d02842fSSascha Wildner * substantially similar to the "NO WARRANTY" disclaimer below
1280d02842fSSascha Wildner * ("Disclaimer") and any redistribution must be conditioned upon
1290d02842fSSascha Wildner * including a substantially similar Disclaimer requirement for further
1300d02842fSSascha Wildner * binary redistribution.
1310d02842fSSascha Wildner * 3. Neither the names of the above-listed copyright holders nor the names
1320d02842fSSascha Wildner * of any contributors may be used to endorse or promote products derived
1330d02842fSSascha Wildner * from this software without specific prior written permission.
1340d02842fSSascha Wildner *
135b4315fc7SSascha Wildner * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
136b4315fc7SSascha Wildner * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
137b4315fc7SSascha Wildner * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
138b4315fc7SSascha Wildner * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
139b4315fc7SSascha Wildner * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
140b4315fc7SSascha Wildner * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
141b4315fc7SSascha Wildner * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
142b4315fc7SSascha Wildner * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
143b4315fc7SSascha Wildner * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
144b4315fc7SSascha Wildner * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
145b4315fc7SSascha Wildner * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
146b4315fc7SSascha Wildner *
147b4315fc7SSascha Wildner * Alternatively, you may choose to be licensed under the terms of the
1480d02842fSSascha Wildner * GNU General Public License ("GPL") version 2 as published by the Free
1490d02842fSSascha Wildner * Software Foundation.
1500d02842fSSascha Wildner *
151b4315fc7SSascha Wildner *****************************************************************************/
1520d02842fSSascha Wildner
1530d02842fSSascha Wildner #include "aslcompiler.h"
1540d02842fSSascha Wildner
1550d02842fSSascha Wildner #define _COMPONENT DT_COMPILER
1560d02842fSSascha Wildner ACPI_MODULE_NAME ("dtparser")
1570d02842fSSascha Wildner
15825ca8c79SSascha Wildner void * AslLocalAllocate (unsigned int Size);
15925ca8c79SSascha Wildner
16025ca8c79SSascha Wildner /* Bison/yacc configuration */
16125ca8c79SSascha Wildner
16225ca8c79SSascha Wildner #undef alloca
16325ca8c79SSascha Wildner #define alloca AslLocalAllocate
16425ca8c79SSascha Wildner
1650d02842fSSascha Wildner int DtParserlex (void);
1660d02842fSSascha Wildner int DtParserparse (void);
1670d02842fSSascha Wildner void DtParsererror (char const *msg);
1680d02842fSSascha Wildner extern char *DtParsertext;
169806343b9SSascha Wildner extern DT_FIELD *AslGbl_CurrentField;
1700d02842fSSascha Wildner
1710d02842fSSascha Wildner UINT64 DtParserResult; /* Expression return value */
1720d02842fSSascha Wildner
1730d02842fSSascha Wildner /* Bison/yacc configuration */
1740d02842fSSascha Wildner
1750d02842fSSascha Wildner #define yytname DtParsername
1760d02842fSSascha Wildner #define YYDEBUG 1 /* Enable debug output */
1770d02842fSSascha Wildner #define YYERROR_VERBOSE 1 /* Verbose error messages */
1780d02842fSSascha Wildner #define YYFLAG -32768
1790d02842fSSascha Wildner
1800d02842fSSascha Wildner /* Define YYMALLOC/YYFREE to prevent redefinition errors */
1810d02842fSSascha Wildner
1820d02842fSSascha Wildner #define YYMALLOC malloc
1830d02842fSSascha Wildner #define YYFREE free
1840d02842fSSascha Wildner %}
1850d02842fSSascha Wildner
1860d02842fSSascha Wildner %union
1870d02842fSSascha Wildner {
1880d02842fSSascha Wildner UINT64 value;
1890d02842fSSascha Wildner UINT32 op;
1900d02842fSSascha Wildner }
1910d02842fSSascha Wildner
1920d02842fSSascha Wildner /*! [Begin] no source code translation */
1930d02842fSSascha Wildner
1940d02842fSSascha Wildner %type <value> Expression
1950d02842fSSascha Wildner
1967bcb6cafSSascha Wildner %token <op> OP_EXP_EOF
1977bcb6cafSSascha Wildner %token <op> OP_EXP_NEW_LINE
1987bcb6cafSSascha Wildner %token <op> OP_EXP_NUMBER
1997bcb6cafSSascha Wildner %token <op> OP_EXP_HEX_NUMBER
2007bcb6cafSSascha Wildner %token <op> OP_EXP_DECIMAL_NUMBER
2017bcb6cafSSascha Wildner %token <op> OP_EXP_LABEL
2027bcb6cafSSascha Wildner %token <op> OP_EXP_PAREN_OPEN
2037bcb6cafSSascha Wildner %token <op> OP_EXP_PAREN_CLOSE
2040d02842fSSascha Wildner
2057bcb6cafSSascha Wildner %left <op> OP_EXP_LOGICAL_OR
2067bcb6cafSSascha Wildner %left <op> OP_EXP_LOGICAL_AND
2077bcb6cafSSascha Wildner %left <op> OP_EXP_OR
2087bcb6cafSSascha Wildner %left <op> OP_EXP_XOR
2097bcb6cafSSascha Wildner %left <op> OP_EXP_AND
2107bcb6cafSSascha Wildner %left <op> OP_EXP_EQUAL OP_EXP_NOT_EQUAL
2117bcb6cafSSascha Wildner %left <op> OP_EXP_GREATER OP_EXP_LESS OP_EXP_GREATER_EQUAL OP_EXP_LESS_EQUAL
2127bcb6cafSSascha Wildner %left <op> OP_EXP_SHIFT_RIGHT OP_EXP_SHIFT_LEFT
2137bcb6cafSSascha Wildner %left <op> OP_EXP_ADD OP_EXP_SUBTRACT
2147bcb6cafSSascha Wildner %left <op> OP_EXP_MULTIPLY OP_EXP_DIVIDE OP_EXP_MODULO
2157bcb6cafSSascha Wildner %right <op> OP_EXP_ONES_COMPLIMENT OP_EXP_LOGICAL_NOT
2160d02842fSSascha Wildner
2170d02842fSSascha Wildner %%
2180d02842fSSascha Wildner
2190d02842fSSascha Wildner /*
2200d02842fSSascha Wildner * Operator precedence rules (from K&R)
2210d02842fSSascha Wildner *
2220d02842fSSascha Wildner * 1) ( )
2230d02842fSSascha Wildner * 2) ! ~ (unary operators that are supported here)
2240d02842fSSascha Wildner * 3) * / %
2250d02842fSSascha Wildner * 4) + -
2260d02842fSSascha Wildner * 5) >> <<
2270d02842fSSascha Wildner * 6) < > <= >=
2280d02842fSSascha Wildner * 7) == !=
2290d02842fSSascha Wildner * 8) &
2300d02842fSSascha Wildner * 9) ^
2310d02842fSSascha Wildner * 10) |
2320d02842fSSascha Wildner * 11) &&
2330d02842fSSascha Wildner * 12) ||
2340d02842fSSascha Wildner */
2350d02842fSSascha Wildner Value
2367bcb6cafSSascha Wildner : Expression OP_EXP_NEW_LINE { DtParserResult=$1; return 0; } /* End of line (newline) */
2377bcb6cafSSascha Wildner | Expression OP_EXP_EOF { DtParserResult=$1; return 0; } /* End of string (0) */
2380d02842fSSascha Wildner ;
2390d02842fSSascha Wildner
2400d02842fSSascha Wildner Expression
2410d02842fSSascha Wildner
2420d02842fSSascha Wildner /* Unary operators */
2430d02842fSSascha Wildner
2447bcb6cafSSascha Wildner : OP_EXP_LOGICAL_NOT Expression { $$ = DtDoOperator ($2, OP_EXP_LOGICAL_NOT, $2);}
2457bcb6cafSSascha Wildner | OP_EXP_ONES_COMPLIMENT Expression { $$ = DtDoOperator ($2, OP_EXP_ONES_COMPLIMENT, $2);}
2460d02842fSSascha Wildner
2470d02842fSSascha Wildner /* Binary operators */
2480d02842fSSascha Wildner
2497bcb6cafSSascha Wildner | Expression OP_EXP_MULTIPLY Expression { $$ = DtDoOperator ($1, OP_EXP_MULTIPLY, $3);}
2507bcb6cafSSascha Wildner | Expression OP_EXP_DIVIDE Expression { $$ = DtDoOperator ($1, OP_EXP_DIVIDE, $3);}
2517bcb6cafSSascha Wildner | Expression OP_EXP_MODULO Expression { $$ = DtDoOperator ($1, OP_EXP_MODULO, $3);}
2527bcb6cafSSascha Wildner | Expression OP_EXP_ADD Expression { $$ = DtDoOperator ($1, OP_EXP_ADD, $3);}
2537bcb6cafSSascha Wildner | Expression OP_EXP_SUBTRACT Expression { $$ = DtDoOperator ($1, OP_EXP_SUBTRACT, $3);}
2547bcb6cafSSascha Wildner | Expression OP_EXP_SHIFT_RIGHT Expression { $$ = DtDoOperator ($1, OP_EXP_SHIFT_RIGHT, $3);}
2557bcb6cafSSascha Wildner | Expression OP_EXP_SHIFT_LEFT Expression { $$ = DtDoOperator ($1, OP_EXP_SHIFT_LEFT, $3);}
2567bcb6cafSSascha Wildner | Expression OP_EXP_GREATER Expression { $$ = DtDoOperator ($1, OP_EXP_GREATER, $3);}
2577bcb6cafSSascha Wildner | Expression OP_EXP_LESS Expression { $$ = DtDoOperator ($1, OP_EXP_LESS, $3);}
2587bcb6cafSSascha Wildner | Expression OP_EXP_GREATER_EQUAL Expression { $$ = DtDoOperator ($1, OP_EXP_GREATER_EQUAL, $3);}
2597bcb6cafSSascha Wildner | Expression OP_EXP_LESS_EQUAL Expression { $$ = DtDoOperator ($1, OP_EXP_LESS_EQUAL, $3);}
2607bcb6cafSSascha Wildner | Expression OP_EXP_EQUAL Expression { $$ = DtDoOperator ($1, OP_EXP_EQUAL, $3);}
2617bcb6cafSSascha Wildner | Expression OP_EXP_NOT_EQUAL Expression { $$ = DtDoOperator ($1, OP_EXP_NOT_EQUAL, $3);}
2627bcb6cafSSascha Wildner | Expression OP_EXP_AND Expression { $$ = DtDoOperator ($1, OP_EXP_AND, $3);}
2637bcb6cafSSascha Wildner | Expression OP_EXP_XOR Expression { $$ = DtDoOperator ($1, OP_EXP_XOR, $3);}
2647bcb6cafSSascha Wildner | Expression OP_EXP_OR Expression { $$ = DtDoOperator ($1, OP_EXP_OR, $3);}
2657bcb6cafSSascha Wildner | Expression OP_EXP_LOGICAL_AND Expression { $$ = DtDoOperator ($1, OP_EXP_LOGICAL_AND, $3);}
2667bcb6cafSSascha Wildner | Expression OP_EXP_LOGICAL_OR Expression { $$ = DtDoOperator ($1, OP_EXP_LOGICAL_OR, $3);}
2670d02842fSSascha Wildner
2680d02842fSSascha Wildner /* Parentheses: '(' Expression ')' */
2690d02842fSSascha Wildner
2707bcb6cafSSascha Wildner | OP_EXP_PAREN_OPEN Expression
2717bcb6cafSSascha Wildner OP_EXP_PAREN_CLOSE { $$ = $2;}
2720d02842fSSascha Wildner
2730d02842fSSascha Wildner /* Label references (prefixed with $) */
2740d02842fSSascha Wildner
2757bcb6cafSSascha Wildner | OP_EXP_LABEL { $$ = DtResolveLabel (DtParsertext);}
2760d02842fSSascha Wildner
277cf6b3eb1SSascha Wildner /*
278cf6b3eb1SSascha Wildner * All constants for the data table compiler are in hex, whether a (optional) 0x
279cf6b3eb1SSascha Wildner * prefix is present or not. For example, these two input strings are equivalent:
280cf6b3eb1SSascha Wildner * 1234
281cf6b3eb1SSascha Wildner * 0x1234
282cf6b3eb1SSascha Wildner */
2830d02842fSSascha Wildner
284cf6b3eb1SSascha Wildner /* Non-prefixed hex number */
285cf6b3eb1SSascha Wildner
2867bcb6cafSSascha Wildner | OP_EXP_NUMBER { $$ = DtDoConstant (DtParsertext);}
2870d02842fSSascha Wildner
2880d02842fSSascha Wildner /* Standard hex number (0x1234) */
2890d02842fSSascha Wildner
2907bcb6cafSSascha Wildner | OP_EXP_HEX_NUMBER { $$ = DtDoConstant (DtParsertext);}
2910d02842fSSascha Wildner
292cf6b3eb1SSascha Wildner /* Possible TBD: Decimal number with prefix (0d1234) - Not supported this time */
2930d02842fSSascha Wildner
2947bcb6cafSSascha Wildner | OP_EXP_DECIMAL_NUMBER { $$ = DtDoConstant (DtParsertext);}
2950d02842fSSascha Wildner ;
2960d02842fSSascha Wildner %%
2970d02842fSSascha Wildner
2980d02842fSSascha Wildner /*! [End] no source code translation !*/
2990d02842fSSascha Wildner
3000d02842fSSascha Wildner /*
3010d02842fSSascha Wildner * Local support functions, including parser entry point
3020d02842fSSascha Wildner */
3037bcb6cafSSascha Wildner #define PR_FIRST_PARSE_OPCODE OP_EXP_EOF
3040d02842fSSascha Wildner #define PR_YYTNAME_START 3
3050d02842fSSascha Wildner
3060d02842fSSascha Wildner
3070d02842fSSascha Wildner /******************************************************************************
3080d02842fSSascha Wildner *
3090d02842fSSascha Wildner * FUNCTION: DtParsererror
3100d02842fSSascha Wildner *
3110d02842fSSascha Wildner * PARAMETERS: Message - Parser-generated error message
3120d02842fSSascha Wildner *
3130d02842fSSascha Wildner * RETURN: None
3140d02842fSSascha Wildner *
3150d02842fSSascha Wildner * DESCRIPTION: Handler for parser errors
3160d02842fSSascha Wildner *
3170d02842fSSascha Wildner *****************************************************************************/
3180d02842fSSascha Wildner
3190d02842fSSascha Wildner void
3200d02842fSSascha Wildner DtParsererror (
3210d02842fSSascha Wildner char const *Message)
3220d02842fSSascha Wildner {
3230d02842fSSascha Wildner DtError (ASL_ERROR, ASL_MSG_SYNTAX,
324806343b9SSascha Wildner AslGbl_CurrentField, (char *) Message);
3250d02842fSSascha Wildner }
3260d02842fSSascha Wildner
3270d02842fSSascha Wildner
3280d02842fSSascha Wildner /******************************************************************************
3290d02842fSSascha Wildner *
3300d02842fSSascha Wildner * FUNCTION: DtGetOpName
3310d02842fSSascha Wildner *
3327bcb6cafSSascha Wildner * PARAMETERS: ParseOpcode - Parser token (OP_EXP_*)
3330d02842fSSascha Wildner *
3340d02842fSSascha Wildner * RETURN: Pointer to the opcode name
3350d02842fSSascha Wildner *
3360d02842fSSascha Wildner * DESCRIPTION: Get the ascii name of the parse opcode for debug output
3370d02842fSSascha Wildner *
3380d02842fSSascha Wildner *****************************************************************************/
3390d02842fSSascha Wildner
3400d02842fSSascha Wildner char *
DtGetOpName(UINT32 ParseOpcode)3410d02842fSSascha Wildner DtGetOpName (
3420d02842fSSascha Wildner UINT32 ParseOpcode)
3430d02842fSSascha Wildner {
3440d02842fSSascha Wildner #ifdef ASL_YYTNAME_START
3450d02842fSSascha Wildner /*
3460d02842fSSascha Wildner * First entries (PR_YYTNAME_START) in yytname are special reserved names.
3477bcb6cafSSascha Wildner * Ignore first 6 characters of name (OP_EXP_)
3480d02842fSSascha Wildner */
3490d02842fSSascha Wildner return ((char *) yytname
3500d02842fSSascha Wildner [(ParseOpcode - PR_FIRST_PARSE_OPCODE) + PR_YYTNAME_START] + 6);
3510d02842fSSascha Wildner #else
3520d02842fSSascha Wildner return ("[Unknown parser generator]");
3530d02842fSSascha Wildner #endif
3540d02842fSSascha Wildner }
3550d02842fSSascha Wildner
3560d02842fSSascha Wildner
3570d02842fSSascha Wildner /******************************************************************************
3580d02842fSSascha Wildner *
3590d02842fSSascha Wildner * FUNCTION: DtEvaluateExpression
3600d02842fSSascha Wildner *
3610d02842fSSascha Wildner * PARAMETERS: ExprString - Expression to be evaluated. Must be
3620d02842fSSascha Wildner * terminated by either a newline or a NUL
3630d02842fSSascha Wildner * string terminator
3640d02842fSSascha Wildner *
3650d02842fSSascha Wildner * RETURN: 64-bit value for the expression
3660d02842fSSascha Wildner *
3670d02842fSSascha Wildner * DESCRIPTION: Main entry point for the DT expression parser
3680d02842fSSascha Wildner *
3690d02842fSSascha Wildner *****************************************************************************/
3700d02842fSSascha Wildner
3710d02842fSSascha Wildner UINT64
DtEvaluateExpression(char * ExprString)3720d02842fSSascha Wildner DtEvaluateExpression (
3730d02842fSSascha Wildner char *ExprString)
3740d02842fSSascha Wildner {
3750d02842fSSascha Wildner
3760d02842fSSascha Wildner DbgPrint (ASL_DEBUG_OUTPUT,
3770d02842fSSascha Wildner "**** Input expression: %s (Base 16)\n", ExprString);
3780d02842fSSascha Wildner
3790d02842fSSascha Wildner /* Point lexer to the input string */
3800d02842fSSascha Wildner
3810d02842fSSascha Wildner if (DtInitLexer (ExprString))
3820d02842fSSascha Wildner {
3830d02842fSSascha Wildner DtError (ASL_ERROR, ASL_MSG_COMPILER_INTERNAL,
384806343b9SSascha Wildner AslGbl_CurrentField, "Could not initialize lexer");
3850d02842fSSascha Wildner return (0);
3860d02842fSSascha Wildner }
3870d02842fSSascha Wildner
3880d02842fSSascha Wildner /* Parse/Evaluate the input string (value returned in DtParserResult) */
3890d02842fSSascha Wildner
3900d02842fSSascha Wildner DtParserparse ();
3910d02842fSSascha Wildner DtTerminateLexer ();
3920d02842fSSascha Wildner
3930d02842fSSascha Wildner DbgPrint (ASL_DEBUG_OUTPUT,
3940d02842fSSascha Wildner "**** Parser returned value: %u (%8.8X%8.8X)\n",
3950d02842fSSascha Wildner (UINT32) DtParserResult, ACPI_FORMAT_UINT64 (DtParserResult));
3960d02842fSSascha Wildner
3970d02842fSSascha Wildner return (DtParserResult);
3980d02842fSSascha Wildner }
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