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2e351cbe8e
https://bugzilla.tianocore.org/show_bug.cgi?id=1373 Replace BSD 2-Clause License with BSD+Patent License. This change is based on the following emails: https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html RFCs with detailed process for the license change: V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Bob Feng <bob.c.feng@intel.com>
465 lines
21 KiB
Python
465 lines
21 KiB
Python
## @file
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# This file is used to generate DEPEX file for module's dependency expression
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#
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# Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
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# SPDX-License-Identifier: BSD-2-Clause-Patent
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## Import Modules
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#
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import sys
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import Common.LongFilePathOs as os
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import re
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import traceback
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from Common.LongFilePathSupport import OpenLongFilePath as open
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from io import BytesIO
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from struct import pack
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from Common.BuildToolError import *
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from Common.Misc import SaveFileOnChange
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from Common.Misc import GuidStructureStringToGuidString
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from Common.Misc import GuidStructureByteArrayToGuidString
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from Common.Misc import GuidStringToGuidStructureString
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from Common import EdkLogger as EdkLogger
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from Common.BuildVersion import gBUILD_VERSION
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from Common.DataType import *
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## Regular expression for matching "DEPENDENCY_START ... DEPENDENCY_END"
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gStartClosePattern = re.compile(".*DEPENDENCY_START(.+)DEPENDENCY_END.*", re.S)
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## Mapping between module type and EFI phase
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gType2Phase = {
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SUP_MODULE_BASE : None,
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SUP_MODULE_SEC : "PEI",
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SUP_MODULE_PEI_CORE : "PEI",
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SUP_MODULE_PEIM : "PEI",
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SUP_MODULE_DXE_CORE : "DXE",
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SUP_MODULE_DXE_DRIVER : "DXE",
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SUP_MODULE_DXE_SMM_DRIVER : "DXE",
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SUP_MODULE_DXE_RUNTIME_DRIVER: "DXE",
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SUP_MODULE_DXE_SAL_DRIVER : "DXE",
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SUP_MODULE_UEFI_DRIVER : "DXE",
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SUP_MODULE_UEFI_APPLICATION : "DXE",
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SUP_MODULE_SMM_CORE : "DXE",
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SUP_MODULE_MM_STANDALONE : "MM",
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SUP_MODULE_MM_CORE_STANDALONE : "MM",
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}
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## Convert dependency expression string into EFI internal representation
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#
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# DependencyExpression class is used to parse dependency expression string and
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# convert it into its binary form.
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#
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class DependencyExpression:
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ArchProtocols = {
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'665e3ff6-46cc-11d4-9a38-0090273fc14d', # 'gEfiBdsArchProtocolGuid'
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'26baccb1-6f42-11d4-bce7-0080c73c8881', # 'gEfiCpuArchProtocolGuid'
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'26baccb2-6f42-11d4-bce7-0080c73c8881', # 'gEfiMetronomeArchProtocolGuid'
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'1da97072-bddc-4b30-99f1-72a0b56fff2a', # 'gEfiMonotonicCounterArchProtocolGuid'
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'27cfac87-46cc-11d4-9a38-0090273fc14d', # 'gEfiRealTimeClockArchProtocolGuid'
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'27cfac88-46cc-11d4-9a38-0090273fc14d', # 'gEfiResetArchProtocolGuid'
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'b7dfb4e1-052f-449f-87be-9818fc91b733', # 'gEfiRuntimeArchProtocolGuid'
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'a46423e3-4617-49f1-b9ff-d1bfa9115839', # 'gEfiSecurityArchProtocolGuid'
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'26baccb3-6f42-11d4-bce7-0080c73c8881', # 'gEfiTimerArchProtocolGuid'
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'6441f818-6362-4e44-b570-7dba31dd2453', # 'gEfiVariableWriteArchProtocolGuid'
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'1e5668e2-8481-11d4-bcf1-0080c73c8881', # 'gEfiVariableArchProtocolGuid'
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'665e3ff5-46cc-11d4-9a38-0090273fc14d' # 'gEfiWatchdogTimerArchProtocolGuid'
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}
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OpcodePriority = {
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DEPEX_OPCODE_AND : 1,
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DEPEX_OPCODE_OR : 1,
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DEPEX_OPCODE_NOT : 2,
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}
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Opcode = {
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"PEI" : {
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DEPEX_OPCODE_PUSH : 0x02,
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DEPEX_OPCODE_AND : 0x03,
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DEPEX_OPCODE_OR : 0x04,
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DEPEX_OPCODE_NOT : 0x05,
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DEPEX_OPCODE_TRUE : 0x06,
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DEPEX_OPCODE_FALSE : 0x07,
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DEPEX_OPCODE_END : 0x08
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},
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"DXE" : {
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DEPEX_OPCODE_BEFORE: 0x00,
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DEPEX_OPCODE_AFTER : 0x01,
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DEPEX_OPCODE_PUSH : 0x02,
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DEPEX_OPCODE_AND : 0x03,
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DEPEX_OPCODE_OR : 0x04,
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DEPEX_OPCODE_NOT : 0x05,
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DEPEX_OPCODE_TRUE : 0x06,
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DEPEX_OPCODE_FALSE : 0x07,
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DEPEX_OPCODE_END : 0x08,
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DEPEX_OPCODE_SOR : 0x09
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},
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"MM" : {
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DEPEX_OPCODE_BEFORE: 0x00,
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DEPEX_OPCODE_AFTER : 0x01,
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DEPEX_OPCODE_PUSH : 0x02,
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DEPEX_OPCODE_AND : 0x03,
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DEPEX_OPCODE_OR : 0x04,
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DEPEX_OPCODE_NOT : 0x05,
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DEPEX_OPCODE_TRUE : 0x06,
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DEPEX_OPCODE_FALSE : 0x07,
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DEPEX_OPCODE_END : 0x08,
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DEPEX_OPCODE_SOR : 0x09
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}
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}
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# all supported op codes and operands
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SupportedOpcode = [DEPEX_OPCODE_BEFORE, DEPEX_OPCODE_AFTER, DEPEX_OPCODE_PUSH, DEPEX_OPCODE_AND, DEPEX_OPCODE_OR, DEPEX_OPCODE_NOT, DEPEX_OPCODE_END, DEPEX_OPCODE_SOR]
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SupportedOperand = [DEPEX_OPCODE_TRUE, DEPEX_OPCODE_FALSE]
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OpcodeWithSingleOperand = [DEPEX_OPCODE_NOT, DEPEX_OPCODE_BEFORE, DEPEX_OPCODE_AFTER]
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OpcodeWithTwoOperand = [DEPEX_OPCODE_AND, DEPEX_OPCODE_OR]
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# op code that should not be the last one
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NonEndingOpcode = [DEPEX_OPCODE_AND, DEPEX_OPCODE_OR, DEPEX_OPCODE_NOT, DEPEX_OPCODE_SOR]
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# op code must not present at the same time
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ExclusiveOpcode = [DEPEX_OPCODE_BEFORE, DEPEX_OPCODE_AFTER]
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# op code that should be the first one if it presents
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AboveAllOpcode = [DEPEX_OPCODE_SOR, DEPEX_OPCODE_BEFORE, DEPEX_OPCODE_AFTER]
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#
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# open and close brace must be taken as individual tokens
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#
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TokenPattern = re.compile("(\(|\)|\{[^{}]+\{?[^{}]+\}?[ ]*\}|\w+)")
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## Constructor
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#
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# @param Expression The list or string of dependency expression
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# @param ModuleType The type of the module using the dependency expression
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#
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def __init__(self, Expression, ModuleType, Optimize=False):
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self.ModuleType = ModuleType
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self.Phase = gType2Phase[ModuleType]
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if isinstance(Expression, type([])):
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self.ExpressionString = " ".join(Expression)
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self.TokenList = Expression
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else:
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self.ExpressionString = Expression
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self.GetExpressionTokenList()
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self.PostfixNotation = []
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self.OpcodeList = []
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self.GetPostfixNotation()
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self.ValidateOpcode()
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EdkLogger.debug(EdkLogger.DEBUG_8, repr(self))
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if Optimize:
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self.Optimize()
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EdkLogger.debug(EdkLogger.DEBUG_8, "\n Optimized: " + repr(self))
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def __str__(self):
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return " ".join(self.TokenList)
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def __repr__(self):
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WellForm = ''
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for Token in self.PostfixNotation:
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if Token in self.SupportedOpcode:
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WellForm += "\n " + Token
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else:
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WellForm += ' ' + Token
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return WellForm
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## Split the expression string into token list
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def GetExpressionTokenList(self):
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self.TokenList = self.TokenPattern.findall(self.ExpressionString)
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## Convert token list into postfix notation
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def GetPostfixNotation(self):
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Stack = []
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LastToken = ''
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for Token in self.TokenList:
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if Token == "(":
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if LastToken not in self.SupportedOpcode + ['(', '', None]:
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EdkLogger.error("GenDepex", PARSER_ERROR, "Invalid dependency expression: missing operator before open parentheses",
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ExtraData="Near %s" % LastToken)
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Stack.append(Token)
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elif Token == ")":
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if '(' not in Stack:
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EdkLogger.error("GenDepex", PARSER_ERROR, "Invalid dependency expression: mismatched parentheses",
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ExtraData=str(self))
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elif LastToken in self.SupportedOpcode + ['', None]:
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EdkLogger.error("GenDepex", PARSER_ERROR, "Invalid dependency expression: missing operand before close parentheses",
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ExtraData="Near %s" % LastToken)
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while len(Stack) > 0:
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if Stack[-1] == '(':
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Stack.pop()
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break
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self.PostfixNotation.append(Stack.pop())
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elif Token in self.OpcodePriority:
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if Token == DEPEX_OPCODE_NOT:
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if LastToken not in self.SupportedOpcode + ['(', '', None]:
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EdkLogger.error("GenDepex", PARSER_ERROR, "Invalid dependency expression: missing operator before NOT",
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ExtraData="Near %s" % LastToken)
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elif LastToken in self.SupportedOpcode + ['(', '', None]:
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EdkLogger.error("GenDepex", PARSER_ERROR, "Invalid dependency expression: missing operand before " + Token,
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ExtraData="Near %s" % LastToken)
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while len(Stack) > 0:
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if Stack[-1] == "(" or self.OpcodePriority[Token] >= self.OpcodePriority[Stack[-1]]:
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break
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self.PostfixNotation.append(Stack.pop())
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Stack.append(Token)
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self.OpcodeList.append(Token)
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else:
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if Token not in self.SupportedOpcode:
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# not OP, take it as GUID
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if LastToken not in self.SupportedOpcode + ['(', '', None]:
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EdkLogger.error("GenDepex", PARSER_ERROR, "Invalid dependency expression: missing operator before %s" % Token,
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ExtraData="Near %s" % LastToken)
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if len(self.OpcodeList) == 0 or self.OpcodeList[-1] not in self.ExclusiveOpcode:
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if Token not in self.SupportedOperand:
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self.PostfixNotation.append(DEPEX_OPCODE_PUSH)
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# check if OP is valid in this phase
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elif Token in self.Opcode[self.Phase]:
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if Token == DEPEX_OPCODE_END:
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break
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self.OpcodeList.append(Token)
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else:
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EdkLogger.error("GenDepex", PARSER_ERROR,
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"Opcode=%s doesn't supported in %s stage " % (Token, self.Phase),
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ExtraData=str(self))
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self.PostfixNotation.append(Token)
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LastToken = Token
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# there should not be parentheses in Stack
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if '(' in Stack or ')' in Stack:
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EdkLogger.error("GenDepex", PARSER_ERROR, "Invalid dependency expression: mismatched parentheses",
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ExtraData=str(self))
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while len(Stack) > 0:
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self.PostfixNotation.append(Stack.pop())
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if self.PostfixNotation[-1] != DEPEX_OPCODE_END:
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self.PostfixNotation.append(DEPEX_OPCODE_END)
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## Validate the dependency expression
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def ValidateOpcode(self):
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for Op in self.AboveAllOpcode:
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if Op in self.PostfixNotation:
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if Op != self.PostfixNotation[0]:
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EdkLogger.error("GenDepex", PARSER_ERROR, "%s should be the first opcode in the expression" % Op,
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ExtraData=str(self))
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if len(self.PostfixNotation) < 3:
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EdkLogger.error("GenDepex", PARSER_ERROR, "Missing operand for %s" % Op,
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ExtraData=str(self))
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for Op in self.ExclusiveOpcode:
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if Op in self.OpcodeList:
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if len(self.OpcodeList) > 1:
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EdkLogger.error("GenDepex", PARSER_ERROR, "%s should be the only opcode in the expression" % Op,
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ExtraData=str(self))
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if len(self.PostfixNotation) < 3:
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EdkLogger.error("GenDepex", PARSER_ERROR, "Missing operand for %s" % Op,
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ExtraData=str(self))
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if self.TokenList[-1] != DEPEX_OPCODE_END and self.TokenList[-1] in self.NonEndingOpcode:
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EdkLogger.error("GenDepex", PARSER_ERROR, "Extra %s at the end of the dependency expression" % self.TokenList[-1],
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ExtraData=str(self))
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if self.TokenList[-1] == DEPEX_OPCODE_END and self.TokenList[-2] in self.NonEndingOpcode:
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EdkLogger.error("GenDepex", PARSER_ERROR, "Extra %s at the end of the dependency expression" % self.TokenList[-2],
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ExtraData=str(self))
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if DEPEX_OPCODE_END in self.TokenList and DEPEX_OPCODE_END != self.TokenList[-1]:
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EdkLogger.error("GenDepex", PARSER_ERROR, "Extra expressions after END",
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ExtraData=str(self))
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## Simply optimize the dependency expression by removing duplicated operands
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def Optimize(self):
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OpcodeSet = set(self.OpcodeList)
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# if there are isn't one in the set, return
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if len(OpcodeSet) != 1:
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return
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Op = OpcodeSet.pop()
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#if Op isn't either OR or AND, return
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if Op not in [DEPEX_OPCODE_AND, DEPEX_OPCODE_OR]:
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return
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NewOperand = []
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AllOperand = set()
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for Token in self.PostfixNotation:
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if Token in self.SupportedOpcode or Token in NewOperand:
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continue
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AllOperand.add(Token)
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if Token == DEPEX_OPCODE_TRUE:
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if Op == DEPEX_OPCODE_AND:
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continue
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else:
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NewOperand.append(Token)
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break
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elif Token == DEPEX_OPCODE_FALSE:
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if Op == DEPEX_OPCODE_OR:
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continue
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else:
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NewOperand.append(Token)
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break
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NewOperand.append(Token)
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# don't generate depex if only TRUE operand left
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if self.ModuleType == SUP_MODULE_PEIM and len(NewOperand) == 1 and NewOperand[0] == DEPEX_OPCODE_TRUE:
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self.PostfixNotation = []
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return
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# don't generate depex if all operands are architecture protocols
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if self.ModuleType in [SUP_MODULE_UEFI_DRIVER, SUP_MODULE_DXE_DRIVER, SUP_MODULE_DXE_RUNTIME_DRIVER, SUP_MODULE_DXE_SAL_DRIVER, SUP_MODULE_DXE_SMM_DRIVER, SUP_MODULE_MM_STANDALONE] and \
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Op == DEPEX_OPCODE_AND and \
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self.ArchProtocols == set(GuidStructureStringToGuidString(Guid) for Guid in AllOperand):
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self.PostfixNotation = []
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return
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if len(NewOperand) == 0:
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self.TokenList = list(AllOperand)
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else:
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self.TokenList = []
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while True:
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self.TokenList.append(NewOperand.pop(0))
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if NewOperand == []:
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break
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self.TokenList.append(Op)
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self.PostfixNotation = []
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self.GetPostfixNotation()
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## Convert a GUID value in C structure format into its binary form
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#
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# @param Guid The GUID value in C structure format
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#
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# @retval array The byte array representing the GUID value
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#
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def GetGuidValue(self, Guid):
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GuidValueString = Guid.replace("{", "").replace("}", "").replace(" ", "")
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GuidValueList = GuidValueString.split(",")
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if len(GuidValueList) != 11 and len(GuidValueList) == 16:
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GuidValueString = GuidStringToGuidStructureString(GuidStructureByteArrayToGuidString(Guid))
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GuidValueString = GuidValueString.replace("{", "").replace("}", "").replace(" ", "")
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GuidValueList = GuidValueString.split(",")
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if len(GuidValueList) != 11:
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EdkLogger.error("GenDepex", PARSER_ERROR, "Invalid GUID value string or opcode: %s" % Guid)
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return pack("1I2H8B", *(int(value, 16) for value in GuidValueList))
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## Save the binary form of dependency expression in file
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#
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# @param File The path of file. If None is given, put the data on console
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#
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# @retval True If the file doesn't exist or file is changed
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# @retval False If file exists and is not changed.
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#
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def Generate(self, File=None):
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Buffer = BytesIO()
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if len(self.PostfixNotation) == 0:
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return False
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for Item in self.PostfixNotation:
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if Item in self.Opcode[self.Phase]:
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Buffer.write(pack("B", self.Opcode[self.Phase][Item]))
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elif Item in self.SupportedOpcode:
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EdkLogger.error("GenDepex", FORMAT_INVALID,
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"Opcode [%s] is not expected in %s phase" % (Item, self.Phase),
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ExtraData=self.ExpressionString)
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else:
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Buffer.write(self.GetGuidValue(Item))
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FilePath = ""
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FileChangeFlag = True
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if File is None:
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sys.stdout.write(Buffer.getvalue())
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FilePath = "STDOUT"
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else:
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FileChangeFlag = SaveFileOnChange(File, Buffer.getvalue(), True)
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Buffer.close()
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return FileChangeFlag
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versionNumber = ("0.04" + " " + gBUILD_VERSION)
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__version__ = "%prog Version " + versionNumber
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__copyright__ = "Copyright (c) 2007-2018, Intel Corporation All rights reserved."
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__usage__ = "%prog [options] [dependency_expression_file]"
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## Parse command line options
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#
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# @retval OptionParser
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#
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def GetOptions():
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from optparse import OptionParser
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Parser = OptionParser(description=__copyright__, version=__version__, usage=__usage__)
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Parser.add_option("-o", "--output", dest="OutputFile", default=None, metavar="FILE",
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help="Specify the name of depex file to be generated")
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Parser.add_option("-t", "--module-type", dest="ModuleType", default=None,
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help="The type of module for which the dependency expression serves")
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Parser.add_option("-e", "--dependency-expression", dest="Expression", default="",
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help="The string of dependency expression. If this option presents, the input file will be ignored.")
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Parser.add_option("-m", "--optimize", dest="Optimize", default=False, action="store_true",
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help="Do some simple optimization on the expression.")
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Parser.add_option("-v", "--verbose", dest="verbose", default=False, action="store_true",
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help="build with verbose information")
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Parser.add_option("-d", "--debug", action="store", type="int", help="Enable debug messages at specified level.")
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Parser.add_option("-q", "--quiet", dest="quiet", default=False, action="store_true",
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help="build with little information")
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return Parser.parse_args()
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## Entrance method
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#
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# @retval 0 Tool was successful
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# @retval 1 Tool failed
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#
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def Main():
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EdkLogger.Initialize()
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Option, Input = GetOptions()
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# Set log level
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if Option.quiet:
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EdkLogger.SetLevel(EdkLogger.QUIET)
|
|
elif Option.verbose:
|
|
EdkLogger.SetLevel(EdkLogger.VERBOSE)
|
|
elif Option.debug is not None:
|
|
EdkLogger.SetLevel(Option.debug + 1)
|
|
else:
|
|
EdkLogger.SetLevel(EdkLogger.INFO)
|
|
|
|
try:
|
|
if Option.ModuleType is None or Option.ModuleType not in gType2Phase:
|
|
EdkLogger.error("GenDepex", OPTION_MISSING, "Module type is not specified or supported")
|
|
|
|
DxsFile = ''
|
|
if len(Input) > 0 and Option.Expression == "":
|
|
DxsFile = Input[0]
|
|
DxsString = open(DxsFile, 'r').read().replace("\n", " ").replace("\r", " ")
|
|
DxsString = gStartClosePattern.sub("\\1", DxsString)
|
|
elif Option.Expression != "":
|
|
if Option.Expression[0] == '"':
|
|
DxsString = Option.Expression[1:-1]
|
|
else:
|
|
DxsString = Option.Expression
|
|
else:
|
|
EdkLogger.error("GenDepex", OPTION_MISSING, "No expression string or file given")
|
|
|
|
Dpx = DependencyExpression(DxsString, Option.ModuleType, Option.Optimize)
|
|
if Option.OutputFile is not None:
|
|
FileChangeFlag = Dpx.Generate(Option.OutputFile)
|
|
if not FileChangeFlag and DxsFile:
|
|
#
|
|
# Touch the output file if its time stamp is older than the original
|
|
# DXS file to avoid re-invoke this tool for the dependency check in build rule.
|
|
#
|
|
if os.stat(DxsFile)[8] > os.stat(Option.OutputFile)[8]:
|
|
os.utime(Option.OutputFile, None)
|
|
else:
|
|
Dpx.Generate()
|
|
except BaseException as X:
|
|
EdkLogger.quiet("")
|
|
if Option is not None and Option.debug is not None:
|
|
EdkLogger.quiet(traceback.format_exc())
|
|
else:
|
|
EdkLogger.quiet(str(X))
|
|
return 1
|
|
|
|
return 0
|
|
|
|
if __name__ == '__main__':
|
|
sys.exit(Main())
|
|
|