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/******************************************************************************
*
* Module Name: aslcstyle.y - Production rules for symbolic operators
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2019, 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.
*
*****************************************************************************/
')
/*******************************************************************************
*
* Production rules for the symbolic (c-style) operators
*
******************************************************************************/
/*
* ASL Extensions: C-style math/logical operators and expressions.
* The implementation transforms these operators into the standard
* AML opcodes and syntax.
*
* Supported operators and precedence rules (high-to-low)
*
* NOTE: The operator precedence and associativity rules are
* implemented by the tokens in asltokens.y
*
* (left-to-right):
* 1) ( ) expr++ expr--
*
* (right-to-left):
* 2) ! ~
*
* (left-to-right):
* 3) * / %
* 4) + -
* 5) >> <<
* 6) < > <= >=
* 7) == !=
* 8) &
* 9) ^
* 10) |
* 11) &&
* 12) ||
*
* (right-to-left):
* 13) = += -= *= /= %= <<= >>= &= ^= |=
*/
/*******************************************************************************
*
* Basic operations for math and logical expressions.
*
******************************************************************************/
Expression
/* Unary operators */
: PARSEOP_EXP_LOGICAL_NOT {$<n>$ = TrCreateLeafOp (PARSEOP_LNOT);}
TermArg {$$ = TrLinkOpChildren ($<n>2,1,$3);}
| PARSEOP_EXP_NOT {$<n>$ = TrCreateLeafOp (PARSEOP_NOT);}
TermArg {$$ = TrLinkOpChildren ($<n>2,2,$3,TrCreateNullTargetOp ());}
| SuperName PARSEOP_EXP_INCREMENT {$<n>$ = TrCreateLeafOp (PARSEOP_INCREMENT);}
{$$ = TrLinkOpChildren ($<n>3,1,$1);}
| SuperName PARSEOP_EXP_DECREMENT {$<n>$ = TrCreateLeafOp (PARSEOP_DECREMENT);}
{$$ = TrLinkOpChildren ($<n>3,1,$1);}
/* Binary operators: math and logical */
| TermArg PARSEOP_EXP_ADD {$<n>$ = TrCreateLeafOp (PARSEOP_ADD);}
TermArg {$$ = TrLinkOpChildren ($<n>3,3,$1,$4,TrCreateNullTargetOp ());}
| TermArg PARSEOP_EXP_DIVIDE {$<n>$ = TrCreateLeafOp (PARSEOP_DIVIDE);}
TermArg {$$ = TrLinkOpChildren ($<n>3,4,$1,$4,TrCreateNullTargetOp (),
TrCreateNullTargetOp ());}
| TermArg PARSEOP_EXP_MODULO {$<n>$ = TrCreateLeafOp (PARSEOP_MOD);}
TermArg {$$ = TrLinkOpChildren ($<n>3,3,$1,$4,TrCreateNullTargetOp ());}
| TermArg PARSEOP_EXP_MULTIPLY {$<n>$ = TrCreateLeafOp (PARSEOP_MULTIPLY);}
TermArg {$$ = TrLinkOpChildren ($<n>3,3,$1,$4,TrCreateNullTargetOp ());}
| TermArg PARSEOP_EXP_SHIFT_LEFT {$<n>$ = TrCreateLeafOp (PARSEOP_SHIFTLEFT);}
TermArg {$$ = TrLinkOpChildren ($<n>3,3,$1,$4,TrCreateNullTargetOp ());}
| TermArg PARSEOP_EXP_SHIFT_RIGHT {$<n>$ = TrCreateLeafOp (PARSEOP_SHIFTRIGHT);}
TermArg {$$ = TrLinkOpChildren ($<n>3,3,$1,$4,TrCreateNullTargetOp ());}
| TermArg PARSEOP_EXP_SUBTRACT {$<n>$ = TrCreateLeafOp (PARSEOP_SUBTRACT);}
TermArg {$$ = TrLinkOpChildren ($<n>3,3,$1,$4,TrCreateNullTargetOp ());}
| TermArg PARSEOP_EXP_AND {$<n>$ = TrCreateLeafOp (PARSEOP_AND);}
TermArg {$$ = TrLinkOpChildren ($<n>3,3,$1,$4,TrCreateNullTargetOp ());}
| TermArg PARSEOP_EXP_OR {$<n>$ = TrCreateLeafOp (PARSEOP_OR);}
TermArg {$$ = TrLinkOpChildren ($<n>3,3,$1,$4,TrCreateNullTargetOp ());}
| TermArg PARSEOP_EXP_XOR {$<n>$ = TrCreateLeafOp (PARSEOP_XOR);}
TermArg {$$ = TrLinkOpChildren ($<n>3,3,$1,$4,TrCreateNullTargetOp ());}
| TermArg PARSEOP_EXP_GREATER {$<n>$ = TrCreateLeafOp (PARSEOP_LGREATER);}
TermArg {$$ = TrLinkOpChildren ($<n>3,2,$1,$4);}
| TermArg PARSEOP_EXP_GREATER_EQUAL {$<n>$ = TrCreateLeafOp (PARSEOP_LGREATEREQUAL);}
TermArg {$$ = TrLinkOpChildren ($<n>3,2,$1,$4);}
| TermArg PARSEOP_EXP_LESS {$<n>$ = TrCreateLeafOp (PARSEOP_LLESS);}
TermArg {$$ = TrLinkOpChildren ($<n>3,2,$1,$4);}
| TermArg PARSEOP_EXP_LESS_EQUAL {$<n>$ = TrCreateLeafOp (PARSEOP_LLESSEQUAL);}
TermArg {$$ = TrLinkOpChildren ($<n>3,2,$1,$4);}
| TermArg PARSEOP_EXP_EQUAL {$<n>$ = TrCreateLeafOp (PARSEOP_LEQUAL);}
TermArg {$$ = TrLinkOpChildren ($<n>3,2,$1,$4);}
| TermArg PARSEOP_EXP_NOT_EQUAL {$<n>$ = TrCreateLeafOp (PARSEOP_LNOTEQUAL);}
TermArg {$$ = TrLinkOpChildren ($<n>3,2,$1,$4);}
| TermArg PARSEOP_EXP_LOGICAL_AND {$<n>$ = TrCreateLeafOp (PARSEOP_LAND);}
TermArg {$$ = TrLinkOpChildren ($<n>3,2,$1,$4);}
| TermArg PARSEOP_EXP_LOGICAL_OR {$<n>$ = TrCreateLeafOp (PARSEOP_LOR);}
TermArg {$$ = TrLinkOpChildren ($<n>3,2,$1,$4);}
/* Parentheses */
| PARSEOP_OPEN_PAREN
Expression
PARSEOP_CLOSE_PAREN {$$ = $2;}
/* Index term -- "= BUF1[5]" on right-hand side of an equals (source) */
| IndexExpTerm
;
/*
* Index term -- "BUF1[5] = " or " = BUF1[5] on either the left side
* of an equals (target) or the right side (source)
* Currently used in these terms:
* Expression
* ObjectTypeSource
* DerefOfSource
* Type6Opcode
*/
IndexExpTerm
: SuperName
PARSEOP_EXP_INDEX_LEFT
TermArg
PARSEOP_EXP_INDEX_RIGHT {$$ = TrCreateLeafOp (PARSEOP_INDEX);
TrLinkOpChildren ($$,3,$1,$3,TrCreateNullTargetOp ());}
;
/*******************************************************************************
*
* All assignment-type operations -- math and logical. Includes simple
* assignment and compound assignments.
*
******************************************************************************/
EqualsTerm
/* Allow parens anywhere */
: PARSEOP_OPEN_PAREN
EqualsTerm
PARSEOP_CLOSE_PAREN {$$ = $2;}
/* Simple Store() operation */
| SuperName
PARSEOP_EXP_EQUALS
TermArg {$$ = TrCreateAssignmentOp ($1, $3);}
/* Chained equals: (a=RefOf)=b, a=b=c=d etc. */
| PARSEOP_OPEN_PAREN
EqualsTerm
PARSEOP_CLOSE_PAREN
PARSEOP_EXP_EQUALS
TermArg {$$ = TrCreateAssignmentOp ($2, $5);}
/* Compound assignments -- Add (operand, operand, target) */
| TermArg PARSEOP_EXP_ADD_EQ {$<n>$ = TrCreateLeafOp (PARSEOP_ADD);}
TermArg {$$ = TrLinkOpChildren ($<n>3,3,$1,$4,
TrSetOpFlags (TrCreateTargetOp ($1, NULL), OP_IS_TARGET));}
| TermArg PARSEOP_EXP_DIV_EQ {$<n>$ = TrCreateLeafOp (PARSEOP_DIVIDE);}
TermArg {$$ = TrLinkOpChildren ($<n>3,4,$1,$4,TrCreateNullTargetOp (),
TrSetOpFlags (TrCreateTargetOp ($1, NULL), OP_IS_TARGET));}
| TermArg PARSEOP_EXP_MOD_EQ {$<n>$ = TrCreateLeafOp (PARSEOP_MOD);}
TermArg {$$ = TrLinkOpChildren ($<n>3,3,$1,$4,
TrSetOpFlags (TrCreateTargetOp ($1, NULL), OP_IS_TARGET));}
| TermArg PARSEOP_EXP_MUL_EQ {$<n>$ = TrCreateLeafOp (PARSEOP_MULTIPLY);}
TermArg {$$ = TrLinkOpChildren ($<n>3,3,$1,$4,
TrSetOpFlags (TrCreateTargetOp ($1, NULL), OP_IS_TARGET));}
| TermArg PARSEOP_EXP_SHL_EQ {$<n>$ = TrCreateLeafOp (PARSEOP_SHIFTLEFT);}
TermArg {$$ = TrLinkOpChildren ($<n>3,3,$1,$4,
TrSetOpFlags (TrCreateTargetOp ($1, NULL), OP_IS_TARGET));}
| TermArg PARSEOP_EXP_SHR_EQ {$<n>$ = TrCreateLeafOp (PARSEOP_SHIFTRIGHT);}
TermArg {$$ = TrLinkOpChildren ($<n>3,3,$1,$4,
TrSetOpFlags (TrCreateTargetOp ($1, NULL), OP_IS_TARGET));}
| TermArg PARSEOP_EXP_SUB_EQ {$<n>$ = TrCreateLeafOp (PARSEOP_SUBTRACT);}
TermArg {$$ = TrLinkOpChildren ($<n>3,3,$1,$4,
TrSetOpFlags (TrCreateTargetOp ($1, NULL), OP_IS_TARGET));}
| TermArg PARSEOP_EXP_AND_EQ {$<n>$ = TrCreateLeafOp (PARSEOP_AND);}
TermArg {$$ = TrLinkOpChildren ($<n>3,3,$1,$4,
TrSetOpFlags (TrCreateTargetOp ($1, NULL), OP_IS_TARGET));}
| TermArg PARSEOP_EXP_OR_EQ {$<n>$ = TrCreateLeafOp (PARSEOP_OR);}
TermArg {$$ = TrLinkOpChildren ($<n>3,3,$1,$4,
TrSetOpFlags (TrCreateTargetOp ($1, NULL), OP_IS_TARGET));}
| TermArg PARSEOP_EXP_XOR_EQ {$<n>$ = TrCreateLeafOp (PARSEOP_XOR);}
TermArg {$$ = TrLinkOpChildren ($<n>3,3,$1,$4,
TrSetOpFlags (TrCreateTargetOp ($1, NULL), OP_IS_TARGET));}
;