+++ /dev/null
-/******************************************************************************
- *
- * Module Name: pstree - Parser op tree manipulation/traversal/search
- *
- *****************************************************************************/
-
-/*
- * Copyright (C) 2000 - 2017, Intel Corp.
- * All rights reserved.
- *
- * 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.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") version 2 as published by the Free
- * Software Foundation.
- *
- * NO WARRANTY
- * 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 MERCHANTIBILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.
- */
-
-#include "acpi.h"
-#include "accommon.h"
-#include "acparser.h"
-#include "amlcode.h"
-#include "acconvert.h"
-
-#define _COMPONENT ACPI_PARSER
- ACPI_MODULE_NAME ("pstree")
-
-/* Local prototypes */
-
-#ifdef ACPI_OBSOLETE_FUNCTIONS
-ACPI_PARSE_OBJECT *
-AcpiPsGetChild (
- ACPI_PARSE_OBJECT *op);
-#endif
-
-
-/*******************************************************************************
- *
- * FUNCTION: AcpiPsGetArg
- *
- * PARAMETERS: Op - Get an argument for this op
- * Argn - Nth argument to get
- *
- * RETURN: The argument (as an Op object). NULL if argument does not exist
- *
- * DESCRIPTION: Get the specified op's argument.
- *
- ******************************************************************************/
-
-ACPI_PARSE_OBJECT *
-AcpiPsGetArg (
- ACPI_PARSE_OBJECT *Op,
- UINT32 Argn)
-{
- ACPI_PARSE_OBJECT *Arg = NULL;
- const ACPI_OPCODE_INFO *OpInfo;
-
-
- ACPI_FUNCTION_ENTRY ();
-
-/*
- if (Op->Common.AmlOpcode == AML_INT_CONNECTION_OP)
- {
- return (Op->Common.Value.Arg);
- }
-*/
- /* Get the info structure for this opcode */
-
- OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
- if (OpInfo->Class == AML_CLASS_UNKNOWN)
- {
- /* Invalid opcode or ASCII character */
-
- return (NULL);
- }
-
- /* Check if this opcode requires argument sub-objects */
-
- if (!(OpInfo->Flags & AML_HAS_ARGS))
- {
- /* Has no linked argument objects */
-
- return (NULL);
- }
-
- /* Get the requested argument object */
-
- Arg = Op->Common.Value.Arg;
- while (Arg && Argn)
- {
- Argn--;
- Arg = Arg->Common.Next;
- }
-
- return (Arg);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: AcpiPsAppendArg
- *
- * PARAMETERS: Op - Append an argument to this Op.
- * Arg - Argument Op to append
- *
- * RETURN: None.
- *
- * DESCRIPTION: Append an argument to an op's argument list (a NULL arg is OK)
- *
- ******************************************************************************/
-
-void
-AcpiPsAppendArg (
- ACPI_PARSE_OBJECT *Op,
- ACPI_PARSE_OBJECT *Arg)
-{
- ACPI_PARSE_OBJECT *PrevArg;
- const ACPI_OPCODE_INFO *OpInfo;
-
-
- ACPI_FUNCTION_TRACE (PsAppendArg);
-
-
- if (!Op)
- {
- return_VOID;
- }
-
- /* Get the info structure for this opcode */
-
- OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
- if (OpInfo->Class == AML_CLASS_UNKNOWN)
- {
- /* Invalid opcode */
-
- ACPI_ERROR ((AE_INFO, "Invalid AML Opcode: 0x%2.2X",
- Op->Common.AmlOpcode));
- return_VOID;
- }
-
- /* Check if this opcode requires argument sub-objects */
-
- if (!(OpInfo->Flags & AML_HAS_ARGS))
- {
- /* Has no linked argument objects */
-
- return_VOID;
- }
-
- /* Append the argument to the linked argument list */
-
- if (Op->Common.Value.Arg)
- {
- /* Append to existing argument list */
-
- PrevArg = Op->Common.Value.Arg;
- while (PrevArg->Common.Next)
- {
- PrevArg = PrevArg->Common.Next;
- }
- PrevArg->Common.Next = Arg;
- }
- else
- {
- /* No argument list, this will be the first argument */
-
- Op->Common.Value.Arg = Arg;
- }
-
- /* Set the parent in this arg and any args linked after it */
-
- while (Arg)
- {
- Arg->Common.Parent = Op;
- Arg = Arg->Common.Next;
-
- Op->Common.ArgListLength++;
- }
-
- return_VOID;
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: AcpiPsGetDepthNext
- *
- * PARAMETERS: Origin - Root of subtree to search
- * Op - Last (previous) Op that was found
- *
- * RETURN: Next Op found in the search.
- *
- * DESCRIPTION: Get next op in tree (walking the tree in depth-first order)
- * Return NULL when reaching "origin" or when walking up from root
- *
- ******************************************************************************/
-
-ACPI_PARSE_OBJECT *
-AcpiPsGetDepthNext (
- ACPI_PARSE_OBJECT *Origin,
- ACPI_PARSE_OBJECT *Op)
-{
- ACPI_PARSE_OBJECT *Next = NULL;
- ACPI_PARSE_OBJECT *Parent;
- ACPI_PARSE_OBJECT *Arg;
-
-
- ACPI_FUNCTION_ENTRY ();
-
-
- if (!Op)
- {
- return (NULL);
- }
-
- /* Look for an argument or child */
-
- Next = AcpiPsGetArg (Op, 0);
- if (Next)
- {
- ASL_CV_LABEL_FILENODE (Next);
- return (Next);
- }
-
- /* Look for a sibling */
-
- Next = Op->Common.Next;
- if (Next)
- {
- ASL_CV_LABEL_FILENODE (Next);
- return (Next);
- }
-
- /* Look for a sibling of parent */
-
- Parent = Op->Common.Parent;
-
- while (Parent)
- {
- Arg = AcpiPsGetArg (Parent, 0);
- while (Arg && (Arg != Origin) && (Arg != Op))
- {
-
- ASL_CV_LABEL_FILENODE (Arg);
- Arg = Arg->Common.Next;
- }
-
- if (Arg == Origin)
- {
- /* Reached parent of origin, end search */
-
- return (NULL);
- }
-
- if (Parent->Common.Next)
- {
- /* Found sibling of parent */
-
- ASL_CV_LABEL_FILENODE (Parent->Common.Next);
- return (Parent->Common.Next);
- }
-
- Op = Parent;
- Parent = Parent->Common.Parent;
- }
-
- ASL_CV_LABEL_FILENODE (Next);
- return (Next);
-}
-
-
-#ifdef ACPI_OBSOLETE_FUNCTIONS
-/*******************************************************************************
- *
- * FUNCTION: AcpiPsGetChild
- *
- * PARAMETERS: Op - Get the child of this Op
- *
- * RETURN: Child Op, Null if none is found.
- *
- * DESCRIPTION: Get op's children or NULL if none
- *
- ******************************************************************************/
-
-ACPI_PARSE_OBJECT *
-AcpiPsGetChild (
- ACPI_PARSE_OBJECT *Op)
-{
- ACPI_PARSE_OBJECT *Child = NULL;
-
-
- ACPI_FUNCTION_ENTRY ();
-
-
- switch (Op->Common.AmlOpcode)
- {
- case AML_SCOPE_OP:
- case AML_ELSE_OP:
- case AML_DEVICE_OP:
- case AML_THERMAL_ZONE_OP:
- case AML_INT_METHODCALL_OP:
-
- Child = AcpiPsGetArg (Op, 0);
- break;
-
- case AML_BUFFER_OP:
- case AML_PACKAGE_OP:
- case AML_METHOD_OP:
- case AML_IF_OP:
- case AML_WHILE_OP:
- case AML_FIELD_OP:
-
- Child = AcpiPsGetArg (Op, 1);
- break;
-
- case AML_POWER_RESOURCE_OP:
- case AML_INDEX_FIELD_OP:
-
- Child = AcpiPsGetArg (Op, 2);
- break;
-
- case AML_PROCESSOR_OP:
- case AML_BANK_FIELD_OP:
-
- Child = AcpiPsGetArg (Op, 3);
- break;
-
- default:
-
- /* All others have no children */
-
- break;
- }
-
- return (Child);
-}
-#endif
projects / reactos.git / blobdiff