NoEcho(' /****************************************************************************** * * Module Name: aslcstyle.y - Production rules for symbolic operators * *****************************************************************************/ /****************************************************************************** * * 1. Copyright Notice * * Some or all of this work - Copyright (c) 1999 - 2021, 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 {$$ = TrCreateLeafOp (PARSEOP_LNOT);} TermArg {$$ = TrLinkOpChildren ($2,1,$3);} | PARSEOP_EXP_NOT {$$ = TrCreateLeafOp (PARSEOP_NOT);} TermArg {$$ = TrLinkOpChildren ($2,2,$3,TrCreateNullTargetOp ());} | SuperName PARSEOP_EXP_INCREMENT {$$ = TrCreateLeafOp (PARSEOP_INCREMENT);} {$$ = TrLinkOpChildren ($3,1,$1);} | SuperName PARSEOP_EXP_DECREMENT {$$ = TrCreateLeafOp (PARSEOP_DECREMENT);} {$$ = TrLinkOpChildren ($3,1,$1);} /* Binary operators: math and logical */ | TermArg PARSEOP_EXP_ADD {$$ = TrCreateLeafOp (PARSEOP_ADD);} TermArg {$$ = TrLinkOpChildren ($3,3,$1,$4,TrCreateNullTargetOp ());} | TermArg PARSEOP_EXP_DIVIDE {$$ = TrCreateLeafOp (PARSEOP_DIVIDE);} TermArg {$$ = TrLinkOpChildren ($3,4,$1,$4,TrCreateNullTargetOp (), TrCreateNullTargetOp ());} | TermArg PARSEOP_EXP_MODULO {$$ = TrCreateLeafOp (PARSEOP_MOD);} TermArg {$$ = TrLinkOpChildren ($3,3,$1,$4,TrCreateNullTargetOp ());} | TermArg PARSEOP_EXP_MULTIPLY {$$ = TrCreateLeafOp (PARSEOP_MULTIPLY);} TermArg {$$ = TrLinkOpChildren ($3,3,$1,$4,TrCreateNullTargetOp ());} | TermArg PARSEOP_EXP_SHIFT_LEFT {$$ = TrCreateLeafOp (PARSEOP_SHIFTLEFT);} TermArg {$$ = TrLinkOpChildren ($3,3,$1,$4,TrCreateNullTargetOp ());} | TermArg PARSEOP_EXP_SHIFT_RIGHT {$$ = TrCreateLeafOp (PARSEOP_SHIFTRIGHT);} TermArg {$$ = TrLinkOpChildren ($3,3,$1,$4,TrCreateNullTargetOp ());} | TermArg PARSEOP_EXP_SUBTRACT {$$ = TrCreateLeafOp (PARSEOP_SUBTRACT);} TermArg {$$ = TrLinkOpChildren ($3,3,$1,$4,TrCreateNullTargetOp ());} | TermArg PARSEOP_EXP_AND {$$ = TrCreateLeafOp (PARSEOP_AND);} TermArg {$$ = TrLinkOpChildren ($3,3,$1,$4,TrCreateNullTargetOp ());} | TermArg PARSEOP_EXP_OR {$$ = TrCreateLeafOp (PARSEOP_OR);} TermArg {$$ = TrLinkOpChildren ($3,3,$1,$4,TrCreateNullTargetOp ());} | TermArg PARSEOP_EXP_XOR {$$ = TrCreateLeafOp (PARSEOP_XOR);} TermArg {$$ = TrLinkOpChildren ($3,3,$1,$4,TrCreateNullTargetOp ());} | TermArg PARSEOP_EXP_GREATER {$$ = TrCreateLeafOp (PARSEOP_LGREATER);} TermArg {$$ = TrLinkOpChildren ($3,2,$1,$4);} | TermArg PARSEOP_EXP_GREATER_EQUAL {$$ = TrCreateLeafOp (PARSEOP_LGREATEREQUAL);} TermArg {$$ = TrLinkOpChildren ($3,2,$1,$4);} | TermArg PARSEOP_EXP_LESS {$$ = TrCreateLeafOp (PARSEOP_LLESS);} TermArg {$$ = TrLinkOpChildren ($3,2,$1,$4);} | TermArg PARSEOP_EXP_LESS_EQUAL {$$ = TrCreateLeafOp (PARSEOP_LLESSEQUAL);} TermArg {$$ = TrLinkOpChildren ($3,2,$1,$4);} | TermArg PARSEOP_EXP_EQUAL {$$ = TrCreateLeafOp (PARSEOP_LEQUAL);} TermArg {$$ = TrLinkOpChildren ($3,2,$1,$4);} | TermArg PARSEOP_EXP_NOT_EQUAL {$$ = TrCreateLeafOp (PARSEOP_LNOTEQUAL);} TermArg {$$ = TrLinkOpChildren ($3,2,$1,$4);} | TermArg PARSEOP_EXP_LOGICAL_AND {$$ = TrCreateLeafOp (PARSEOP_LAND);} TermArg {$$ = TrLinkOpChildren ($3,2,$1,$4);} | TermArg PARSEOP_EXP_LOGICAL_OR {$$ = TrCreateLeafOp (PARSEOP_LOR);} TermArg {$$ = TrLinkOpChildren ($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 {$$ = TrCreateLeafOp (PARSEOP_ADD);} TermArg {$$ = TrLinkOpChildren ($3,3,$1,$4, TrSetOpFlags (TrCreateTargetOp ($1, NULL), OP_IS_TARGET));} | TermArg PARSEOP_EXP_DIV_EQ {$$ = TrCreateLeafOp (PARSEOP_DIVIDE);} TermArg {$$ = TrLinkOpChildren ($3,4,$1,$4,TrCreateNullTargetOp (), TrSetOpFlags (TrCreateTargetOp ($1, NULL), OP_IS_TARGET));} | TermArg PARSEOP_EXP_MOD_EQ {$$ = TrCreateLeafOp (PARSEOP_MOD);} TermArg {$$ = TrLinkOpChildren ($3,3,$1,$4, TrSetOpFlags (TrCreateTargetOp ($1, NULL), OP_IS_TARGET));} | TermArg PARSEOP_EXP_MUL_EQ {$$ = TrCreateLeafOp (PARSEOP_MULTIPLY);} TermArg {$$ = TrLinkOpChildren ($3,3,$1,$4, TrSetOpFlags (TrCreateTargetOp ($1, NULL), OP_IS_TARGET));} | TermArg PARSEOP_EXP_SHL_EQ {$$ = TrCreateLeafOp (PARSEOP_SHIFTLEFT);} TermArg {$$ = TrLinkOpChildren ($3,3,$1,$4, TrSetOpFlags (TrCreateTargetOp ($1, NULL), OP_IS_TARGET));} | TermArg PARSEOP_EXP_SHR_EQ {$$ = TrCreateLeafOp (PARSEOP_SHIFTRIGHT);} TermArg {$$ = TrLinkOpChildren ($3,3,$1,$4, TrSetOpFlags (TrCreateTargetOp ($1, NULL), OP_IS_TARGET));} | TermArg PARSEOP_EXP_SUB_EQ {$$ = TrCreateLeafOp (PARSEOP_SUBTRACT);} TermArg {$$ = TrLinkOpChildren ($3,3,$1,$4, TrSetOpFlags (TrCreateTargetOp ($1, NULL), OP_IS_TARGET));} | TermArg PARSEOP_EXP_AND_EQ {$$ = TrCreateLeafOp (PARSEOP_AND);} TermArg {$$ = TrLinkOpChildren ($3,3,$1,$4, TrSetOpFlags (TrCreateTargetOp ($1, NULL), OP_IS_TARGET));} | TermArg PARSEOP_EXP_OR_EQ {$$ = TrCreateLeafOp (PARSEOP_OR);} TermArg {$$ = TrLinkOpChildren ($3,3,$1,$4, TrSetOpFlags (TrCreateTargetOp ($1, NULL), OP_IS_TARGET));} | TermArg PARSEOP_EXP_XOR_EQ {$$ = TrCreateLeafOp (PARSEOP_XOR);} TermArg {$$ = TrLinkOpChildren ($3,3,$1,$4, TrSetOpFlags (TrCreateTargetOp ($1, NULL), OP_IS_TARGET));} ;