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/** @file
AML Parser.
Copyright (c) 2019 - 2020, Arm Limited. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef AML_PARSER_H_
#define AML_PARSER_H_
#include <AmlNodeDefines.h>
#include <Stream/AmlStream.h>
/** Parse the list of fixed arguments of the input ObjectNode.
For each argument, create a node and add it to the fixed argument list
of the Node.
If a fixed argument has children, parse them.
@param [in] ObjectNode Object node to parse the fixed arguments
from.
@param [in] FStream Forward stream containing the AML
bytecode to parse.
The stream must not be at its end.
@param [in] NameSpaceRefList List of namespace reference nodes.
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_BUFFER_TOO_SMALL No space left in the buffer.
@retval EFI_INVALID_PARAMETER Invalid parameter.
@retval EFI_OUT_OF_RESOURCES Could not allocate memory.
**/
EFI_STATUS
EFIAPI
AmlParseFixedArguments (
IN AML_OBJECT_NODE *ObjectNode,
IN AML_STREAM *FStream,
IN LIST_ENTRY *NameSpaceRefList
);
/** Parse the variable list of arguments of the input ObjectNode.
For each variable argument, create a node and add it to the variable list of
arguments of the Node.
If a variable argument has children, parse them recursively.
The arguments of method invocation nodes are added to the variable list of
arguments of the method invocation node. It is necessary to first get
the number of arguments to parse for this kind of node. A method invocation
can have at most 7 fixed arguments.
@param [in] Node Node to parse the variable arguments
from.
@param [in] FStream Forward stream containing the AML
bytecode to parse.
The stream must not be at its end.
@param [in] NameSpaceRefList List of namespace reference nodes.
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_BUFFER_TOO_SMALL No space left in the buffer.
@retval EFI_INVALID_PARAMETER Invalid parameter.
@retval EFI_OUT_OF_RESOURCES Could not allocate memory.
**/
EFI_STATUS
EFIAPI
AmlParseVariableArguments (
IN AML_NODE_HEADER *Node,
IN AML_STREAM *FStream,
IN LIST_ENTRY *NameSpaceRefList
);
#endif // AML_PARSER_H_
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