pstree.c File Reference

#include "acpi.h"
#include "accommon.h"
#include "acparser.h"
#include "amlcode.h"
#include "acconvert.h"

Include dependency graph for pstree.c:

Go to the source code of this file.

Macros
#define	_COMPONENT   ACPI_PARSER

Functions
ACPI_PARSE_OBJECT *	AcpiPsGetArg (ACPI_PARSE_OBJECT *Op, UINT32 Argn)
void	AcpiPsAppendArg (ACPI_PARSE_OBJECT *Op, ACPI_PARSE_OBJECT *Arg)
ACPI_PARSE_OBJECT *	AcpiPsGetDepthNext (ACPI_PARSE_OBJECT *Origin, ACPI_PARSE_OBJECT *Op)

Macro Definition Documentation

_COMPONENT

#define _COMPONENT   ACPI_PARSER

Definition at line 50 of file pstree.c.

Function Documentation

AcpiPsAppendArg()

void AcpiPsAppendArg	(	ACPI_PARSE_OBJECT *	Op,
		ACPI_PARSE_OBJECT *	Arg
	)

Definition at line 138 of file pstree.c.

{
    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;
}

Referenced by AcpiDsLoad1BeginOp(), AcpiPsBuildNamedOp(), AcpiPsCreateOp(), AcpiPsGetArguments(), AcpiPsGetNextField(), and AcpiPsGetNextNamepath().

AcpiPsGetArg()

ACPI_PARSE_OBJECT * AcpiPsGetArg	(	ACPI_PARSE_OBJECT *	Op,
		UINT32	Argn
	)

Definition at line 76 of file pstree.c.

{
    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);
}

Referenced by AcpiDsCreateBufferField(), AcpiDsEvalBankFieldOperands(), AcpiDsInitFieldObjects(), AcpiPsDeleteParseTree(), and AcpiPsGetDepthNext().

AcpiPsGetDepthNext()

ACPI_PARSE_OBJECT * AcpiPsGetDepthNext	(	ACPI_PARSE_OBJECT *	Origin,
		ACPI_PARSE_OBJECT *	Op
	)

Definition at line 224 of file pstree.c.

{
    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);
}