1be2ed90a2
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Hess Chen <hesheng.chen@intel.com> Reviewed-by: Yingke Liu <yingke.d.liu@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15809 6f19259b-4bc3-4df7-8a09-765794883524
625 lines
26 KiB
Python
625 lines
26 KiB
Python
## @file
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# preprocess source file
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#
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# Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.<BR>
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#
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# This program and the accompanying materials
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# are licensed and made available under the terms and conditions of the BSD License
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# which accompanies this distribution. The full text of the license may be found at
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# http://opensource.org/licenses/bsd-license.php
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#
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# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#
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##
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# Import Modules
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#
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import re
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import Common.LongFilePathOs as os
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import sys
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import antlr3
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from CLexer import CLexer
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from CParser import CParser
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import FileProfile
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from CodeFragment import Comment
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from CodeFragment import PP_Directive
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from ParserWarning import Warning
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##define T_CHAR_SPACE ' '
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##define T_CHAR_NULL '\0'
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##define T_CHAR_CR '\r'
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##define T_CHAR_TAB '\t'
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##define T_CHAR_LF '\n'
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##define T_CHAR_SLASH '/'
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##define T_CHAR_BACKSLASH '\\'
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##define T_CHAR_DOUBLE_QUOTE '\"'
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##define T_CHAR_SINGLE_QUOTE '\''
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##define T_CHAR_STAR '*'
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##define T_CHAR_HASH '#'
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(T_CHAR_SPACE, T_CHAR_NULL, T_CHAR_CR, T_CHAR_TAB, T_CHAR_LF, T_CHAR_SLASH, \
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T_CHAR_BACKSLASH, T_CHAR_DOUBLE_QUOTE, T_CHAR_SINGLE_QUOTE, T_CHAR_STAR, T_CHAR_HASH) = \
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(' ', '\0', '\r', '\t', '\n', '/', '\\', '\"', '\'', '*', '#')
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SEPERATOR_TUPLE = ('=', '|', ',', '{', '}')
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(T_COMMENT_TWO_SLASH, T_COMMENT_SLASH_STAR) = (0, 1)
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(T_PP_INCLUDE, T_PP_DEFINE, T_PP_OTHERS) = (0, 1, 2)
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## The collector for source code fragments.
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#
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# PreprocessFile method should be called prior to ParseFile
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#
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# GetNext*** procedures mean these procedures will get next token first, then make judgement.
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# Get*** procedures mean these procedures will make judgement on current token only.
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#
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class CodeFragmentCollector:
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## The constructor
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#
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# @param self The object pointer
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# @param FileName The file that to be parsed
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#
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def __init__(self, FileName):
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self.Profile = FileProfile.FileProfile(FileName)
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self.Profile.FileLinesList.append(T_CHAR_LF)
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self.FileName = FileName
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self.CurrentLineNumber = 1
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self.CurrentOffsetWithinLine = 0
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self.__Token = ""
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self.__SkippedChars = ""
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## __IsWhiteSpace() method
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#
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# Whether char at current FileBufferPos is whitespace
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#
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# @param self The object pointer
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# @param Char The char to test
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# @retval True The char is a kind of white space
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# @retval False The char is NOT a kind of white space
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#
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def __IsWhiteSpace(self, Char):
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if Char in (T_CHAR_NULL, T_CHAR_CR, T_CHAR_SPACE, T_CHAR_TAB, T_CHAR_LF):
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return True
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else:
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return False
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## __SkipWhiteSpace() method
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#
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# Skip white spaces from current char, return number of chars skipped
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#
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# @param self The object pointer
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# @retval Count The number of chars skipped
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#
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def __SkipWhiteSpace(self):
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Count = 0
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while not self.__EndOfFile():
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Count += 1
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if self.__CurrentChar() in (T_CHAR_NULL, T_CHAR_CR, T_CHAR_LF, T_CHAR_SPACE, T_CHAR_TAB):
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self.__SkippedChars += str(self.__CurrentChar())
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self.__GetOneChar()
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else:
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Count = Count - 1
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return Count
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## __EndOfFile() method
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#
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# Judge current buffer pos is at file end
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#
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# @param self The object pointer
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# @retval True Current File buffer position is at file end
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# @retval False Current File buffer position is NOT at file end
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#
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def __EndOfFile(self):
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NumberOfLines = len(self.Profile.FileLinesList)
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SizeOfLastLine = NumberOfLines
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if NumberOfLines > 0:
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SizeOfLastLine = len(self.Profile.FileLinesList[-1])
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if self.CurrentLineNumber == NumberOfLines and self.CurrentOffsetWithinLine >= SizeOfLastLine - 1:
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return True
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elif self.CurrentLineNumber > NumberOfLines:
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return True
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else:
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return False
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## __EndOfLine() method
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#
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# Judge current buffer pos is at line end
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#
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# @param self The object pointer
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# @retval True Current File buffer position is at line end
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# @retval False Current File buffer position is NOT at line end
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#
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def __EndOfLine(self):
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SizeOfCurrentLine = len(self.Profile.FileLinesList[self.CurrentLineNumber - 1])
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if self.CurrentOffsetWithinLine >= SizeOfCurrentLine - 1:
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return True
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else:
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return False
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## Rewind() method
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#
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# Reset file data buffer to the initial state
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#
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# @param self The object pointer
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#
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def Rewind(self):
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self.CurrentLineNumber = 1
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self.CurrentOffsetWithinLine = 0
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## __UndoOneChar() method
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#
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# Go back one char in the file buffer
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#
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# @param self The object pointer
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# @retval True Successfully go back one char
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# @retval False Not able to go back one char as file beginning reached
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#
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def __UndoOneChar(self):
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if self.CurrentLineNumber == 1 and self.CurrentOffsetWithinLine == 0:
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return False
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elif self.CurrentOffsetWithinLine == 0:
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self.CurrentLineNumber -= 1
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self.CurrentOffsetWithinLine = len(self.__CurrentLine()) - 1
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else:
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self.CurrentOffsetWithinLine -= 1
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return True
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## __GetOneChar() method
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#
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# Move forward one char in the file buffer
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#
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# @param self The object pointer
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#
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def __GetOneChar(self):
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if self.CurrentOffsetWithinLine == len(self.Profile.FileLinesList[self.CurrentLineNumber - 1]) - 1:
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self.CurrentLineNumber += 1
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self.CurrentOffsetWithinLine = 0
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else:
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self.CurrentOffsetWithinLine += 1
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## __CurrentChar() method
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#
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# Get the char pointed to by the file buffer pointer
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#
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# @param self The object pointer
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# @retval Char Current char
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#
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def __CurrentChar(self):
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CurrentChar = self.Profile.FileLinesList[self.CurrentLineNumber - 1][self.CurrentOffsetWithinLine]
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# if CurrentChar > 255:
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# raise Warning("Non-Ascii char found At Line %d, offset %d" % (self.CurrentLineNumber, self.CurrentOffsetWithinLine), self.FileName, self.CurrentLineNumber)
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return CurrentChar
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## __NextChar() method
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#
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# Get the one char pass the char pointed to by the file buffer pointer
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#
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# @param self The object pointer
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# @retval Char Next char
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#
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def __NextChar(self):
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if self.CurrentOffsetWithinLine == len(self.Profile.FileLinesList[self.CurrentLineNumber - 1]) - 1:
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return self.Profile.FileLinesList[self.CurrentLineNumber][0]
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else:
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return self.Profile.FileLinesList[self.CurrentLineNumber - 1][self.CurrentOffsetWithinLine + 1]
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## __SetCurrentCharValue() method
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#
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# Modify the value of current char
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#
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# @param self The object pointer
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# @param Value The new value of current char
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#
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def __SetCurrentCharValue(self, Value):
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self.Profile.FileLinesList[self.CurrentLineNumber - 1][self.CurrentOffsetWithinLine] = Value
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## __SetCharValue() method
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#
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# Modify the value of current char
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#
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# @param self The object pointer
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# @param Value The new value of current char
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#
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def __SetCharValue(self, Line, Offset, Value):
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self.Profile.FileLinesList[Line - 1][Offset] = Value
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## __CurrentLine() method
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#
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# Get the list that contains current line contents
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#
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# @param self The object pointer
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# @retval List current line contents
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#
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def __CurrentLine(self):
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return self.Profile.FileLinesList[self.CurrentLineNumber - 1]
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## __InsertComma() method
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#
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# Insert ',' to replace PP
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#
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# @param self The object pointer
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# @retval List current line contents
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#
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def __InsertComma(self, Line):
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if self.Profile.FileLinesList[Line - 1][0] != T_CHAR_HASH:
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BeforeHashPart = str(self.Profile.FileLinesList[Line - 1]).split(T_CHAR_HASH)[0]
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if BeforeHashPart.rstrip().endswith(T_CHAR_COMMA) or BeforeHashPart.rstrip().endswith(';'):
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return
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if Line - 2 >= 0 and str(self.Profile.FileLinesList[Line - 2]).rstrip().endswith(','):
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return
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if Line - 2 >= 0 and str(self.Profile.FileLinesList[Line - 2]).rstrip().endswith(';'):
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return
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if str(self.Profile.FileLinesList[Line]).lstrip().startswith(',') or str(self.Profile.FileLinesList[Line]).lstrip().startswith(';'):
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return
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self.Profile.FileLinesList[Line - 1].insert(self.CurrentOffsetWithinLine, ',')
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## PreprocessFile() method
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#
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# Preprocess file contents, replace comments with spaces.
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# In the end, rewind the file buffer pointer to the beginning
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# BUGBUG: No !include statement processing contained in this procedure
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# !include statement should be expanded at the same FileLinesList[CurrentLineNumber - 1]
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#
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# @param self The object pointer
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#
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def PreprocessFile(self):
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self.Rewind()
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InComment = False
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DoubleSlashComment = False
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HashComment = False
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PPExtend = False
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CommentObj = None
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PPDirectiveObj = None
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# HashComment in quoted string " " is ignored.
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InString = False
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InCharLiteral = False
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self.Profile.FileLinesList = [list(s) for s in self.Profile.FileLinesListFromFile]
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while not self.__EndOfFile():
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if not InComment and self.__CurrentChar() == T_CHAR_DOUBLE_QUOTE:
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InString = not InString
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if not InComment and self.__CurrentChar() == T_CHAR_SINGLE_QUOTE:
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InCharLiteral = not InCharLiteral
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# meet new line, then no longer in a comment for // and '#'
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if self.__CurrentChar() == T_CHAR_LF:
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if HashComment and PPDirectiveObj != None:
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if PPDirectiveObj.Content.rstrip(T_CHAR_CR).endswith(T_CHAR_BACKSLASH):
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PPDirectiveObj.Content += T_CHAR_LF
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PPExtend = True
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else:
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PPExtend = False
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EndLinePos = (self.CurrentLineNumber, self.CurrentOffsetWithinLine)
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if InComment and DoubleSlashComment:
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InComment = False
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DoubleSlashComment = False
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CommentObj.Content += T_CHAR_LF
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CommentObj.EndPos = EndLinePos
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FileProfile.CommentList.append(CommentObj)
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CommentObj = None
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if InComment and HashComment and not PPExtend:
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InComment = False
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HashComment = False
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PPDirectiveObj.Content += T_CHAR_LF
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PPDirectiveObj.EndPos = EndLinePos
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FileProfile.PPDirectiveList.append(PPDirectiveObj)
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PPDirectiveObj = None
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if InString or InCharLiteral:
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CurrentLine = "".join(self.__CurrentLine())
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if CurrentLine.rstrip(T_CHAR_LF).rstrip(T_CHAR_CR).endswith(T_CHAR_BACKSLASH):
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SlashIndex = CurrentLine.rindex(T_CHAR_BACKSLASH)
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self.__SetCharValue(self.CurrentLineNumber, SlashIndex, T_CHAR_SPACE)
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if InComment and not DoubleSlashComment and not HashComment:
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CommentObj.Content += T_CHAR_LF
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self.CurrentLineNumber += 1
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self.CurrentOffsetWithinLine = 0
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# check for */ comment end
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elif InComment and not DoubleSlashComment and not HashComment and self.__CurrentChar() == T_CHAR_STAR and self.__NextChar() == T_CHAR_SLASH:
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CommentObj.Content += self.__CurrentChar()
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# self.__SetCurrentCharValue(T_CHAR_SPACE)
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self.__GetOneChar()
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CommentObj.Content += self.__CurrentChar()
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# self.__SetCurrentCharValue(T_CHAR_SPACE)
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CommentObj.EndPos = (self.CurrentLineNumber, self.CurrentOffsetWithinLine)
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FileProfile.CommentList.append(CommentObj)
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CommentObj = None
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self.__GetOneChar()
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InComment = False
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# set comments to spaces
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elif InComment:
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if HashComment:
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# // follows hash PP directive
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if self.__CurrentChar() == T_CHAR_SLASH and self.__NextChar() == T_CHAR_SLASH:
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InComment = False
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HashComment = False
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PPDirectiveObj.EndPos = (self.CurrentLineNumber, self.CurrentOffsetWithinLine - 1)
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FileProfile.PPDirectiveList.append(PPDirectiveObj)
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PPDirectiveObj = None
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continue
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else:
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PPDirectiveObj.Content += self.__CurrentChar()
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if PPExtend:
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self.__SetCurrentCharValue(T_CHAR_SPACE)
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else:
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CommentObj.Content += self.__CurrentChar()
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# self.__SetCurrentCharValue(T_CHAR_SPACE)
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self.__GetOneChar()
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# check for // comment
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elif self.__CurrentChar() == T_CHAR_SLASH and self.__NextChar() == T_CHAR_SLASH:
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InComment = True
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DoubleSlashComment = True
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CommentObj = Comment('', (self.CurrentLineNumber, self.CurrentOffsetWithinLine), None, T_COMMENT_TWO_SLASH)
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# check for '#' comment
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elif self.__CurrentChar() == T_CHAR_HASH and not InString and not InCharLiteral:
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InComment = True
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HashComment = True
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PPDirectiveObj = PP_Directive('', (self.CurrentLineNumber, self.CurrentOffsetWithinLine), None)
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# check for /* comment start
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elif self.__CurrentChar() == T_CHAR_SLASH and self.__NextChar() == T_CHAR_STAR:
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CommentObj = Comment('', (self.CurrentLineNumber, self.CurrentOffsetWithinLine), None, T_COMMENT_SLASH_STAR)
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CommentObj.Content += self.__CurrentChar()
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# self.__SetCurrentCharValue( T_CHAR_SPACE)
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self.__GetOneChar()
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CommentObj.Content += self.__CurrentChar()
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# self.__SetCurrentCharValue( T_CHAR_SPACE)
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self.__GetOneChar()
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InComment = True
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else:
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self.__GetOneChar()
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EndLinePos = (self.CurrentLineNumber, self.CurrentOffsetWithinLine)
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if InComment and DoubleSlashComment:
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CommentObj.EndPos = EndLinePos
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FileProfile.CommentList.append(CommentObj)
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if InComment and HashComment and not PPExtend:
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PPDirectiveObj.EndPos = EndLinePos
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FileProfile.PPDirectiveList.append(PPDirectiveObj)
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self.Rewind()
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def PreprocessFileWithClear(self):
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self.Rewind()
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InComment = False
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DoubleSlashComment = False
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HashComment = False
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PPExtend = False
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CommentObj = None
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PPDirectiveObj = None
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# HashComment in quoted string " " is ignored.
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InString = False
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InCharLiteral = False
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self.Profile.FileLinesList = [list(s) for s in self.Profile.FileLinesListFromFile]
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while not self.__EndOfFile():
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if not InComment and self.__CurrentChar() == T_CHAR_DOUBLE_QUOTE:
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InString = not InString
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if not InComment and self.__CurrentChar() == T_CHAR_SINGLE_QUOTE:
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InCharLiteral = not InCharLiteral
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# meet new line, then no longer in a comment for // and '#'
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if self.__CurrentChar() == T_CHAR_LF:
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if HashComment and PPDirectiveObj != None:
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if PPDirectiveObj.Content.rstrip(T_CHAR_CR).endswith(T_CHAR_BACKSLASH):
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PPDirectiveObj.Content += T_CHAR_LF
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PPExtend = True
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else:
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PPExtend = False
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EndLinePos = (self.CurrentLineNumber, self.CurrentOffsetWithinLine)
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if InComment and DoubleSlashComment:
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InComment = False
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DoubleSlashComment = False
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CommentObj.Content += T_CHAR_LF
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CommentObj.EndPos = EndLinePos
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FileProfile.CommentList.append(CommentObj)
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CommentObj = None
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if InComment and HashComment and not PPExtend:
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InComment = False
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HashComment = False
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PPDirectiveObj.Content += T_CHAR_LF
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PPDirectiveObj.EndPos = EndLinePos
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FileProfile.PPDirectiveList.append(PPDirectiveObj)
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PPDirectiveObj = None
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if InString or InCharLiteral:
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CurrentLine = "".join(self.__CurrentLine())
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if CurrentLine.rstrip(T_CHAR_LF).rstrip(T_CHAR_CR).endswith(T_CHAR_BACKSLASH):
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SlashIndex = CurrentLine.rindex(T_CHAR_BACKSLASH)
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self.__SetCharValue(self.CurrentLineNumber, SlashIndex, T_CHAR_SPACE)
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if InComment and not DoubleSlashComment and not HashComment:
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CommentObj.Content += T_CHAR_LF
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self.CurrentLineNumber += 1
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self.CurrentOffsetWithinLine = 0
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# check for */ comment end
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elif InComment and not DoubleSlashComment and not HashComment and self.__CurrentChar() == T_CHAR_STAR and self.__NextChar() == T_CHAR_SLASH:
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CommentObj.Content += self.__CurrentChar()
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self.__SetCurrentCharValue(T_CHAR_SPACE)
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self.__GetOneChar()
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CommentObj.Content += self.__CurrentChar()
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self.__SetCurrentCharValue(T_CHAR_SPACE)
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CommentObj.EndPos = (self.CurrentLineNumber, self.CurrentOffsetWithinLine)
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FileProfile.CommentList.append(CommentObj)
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CommentObj = None
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self.__GetOneChar()
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InComment = False
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# set comments to spaces
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elif InComment:
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if HashComment:
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# // follows hash PP directive
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if self.__CurrentChar() == T_CHAR_SLASH and self.__NextChar() == T_CHAR_SLASH:
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InComment = False
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HashComment = False
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PPDirectiveObj.EndPos = (self.CurrentLineNumber, self.CurrentOffsetWithinLine - 1)
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FileProfile.PPDirectiveList.append(PPDirectiveObj)
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PPDirectiveObj = None
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continue
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else:
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PPDirectiveObj.Content += self.__CurrentChar()
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# if PPExtend:
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# self.__SetCurrentCharValue(T_CHAR_SPACE)
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else:
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CommentObj.Content += self.__CurrentChar()
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self.__SetCurrentCharValue(T_CHAR_SPACE)
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self.__GetOneChar()
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# check for // comment
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elif self.__CurrentChar() == T_CHAR_SLASH and self.__NextChar() == T_CHAR_SLASH:
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InComment = True
|
|
DoubleSlashComment = True
|
|
CommentObj = Comment('', (self.CurrentLineNumber, self.CurrentOffsetWithinLine), None, T_COMMENT_TWO_SLASH)
|
|
# check for '#' comment
|
|
elif self.__CurrentChar() == T_CHAR_HASH and not InString and not InCharLiteral:
|
|
InComment = True
|
|
HashComment = True
|
|
PPDirectiveObj = PP_Directive('', (self.CurrentLineNumber, self.CurrentOffsetWithinLine), None)
|
|
# check for /* comment start
|
|
elif self.__CurrentChar() == T_CHAR_SLASH and self.__NextChar() == T_CHAR_STAR:
|
|
CommentObj = Comment('', (self.CurrentLineNumber, self.CurrentOffsetWithinLine), None, T_COMMENT_SLASH_STAR)
|
|
CommentObj.Content += self.__CurrentChar()
|
|
self.__SetCurrentCharValue( T_CHAR_SPACE)
|
|
self.__GetOneChar()
|
|
CommentObj.Content += self.__CurrentChar()
|
|
self.__SetCurrentCharValue( T_CHAR_SPACE)
|
|
self.__GetOneChar()
|
|
InComment = True
|
|
else:
|
|
self.__GetOneChar()
|
|
|
|
EndLinePos = (self.CurrentLineNumber, self.CurrentOffsetWithinLine)
|
|
|
|
if InComment and DoubleSlashComment:
|
|
CommentObj.EndPos = EndLinePos
|
|
FileProfile.CommentList.append(CommentObj)
|
|
if InComment and HashComment and not PPExtend:
|
|
PPDirectiveObj.EndPos = EndLinePos
|
|
FileProfile.PPDirectiveList.append(PPDirectiveObj)
|
|
self.Rewind()
|
|
|
|
## ParseFile() method
|
|
#
|
|
# Parse the file profile buffer to extract fd, fv ... information
|
|
# Exception will be raised if syntax error found
|
|
#
|
|
# @param self The object pointer
|
|
#
|
|
def ParseFile(self):
|
|
self.PreprocessFile()
|
|
# restore from ListOfList to ListOfString
|
|
self.Profile.FileLinesList = ["".join(list) for list in self.Profile.FileLinesList]
|
|
FileStringContents = ''
|
|
for fileLine in self.Profile.FileLinesList:
|
|
FileStringContents += fileLine
|
|
cStream = antlr3.StringStream(FileStringContents)
|
|
lexer = CLexer(cStream)
|
|
tStream = antlr3.CommonTokenStream(lexer)
|
|
parser = CParser(tStream)
|
|
parser.translation_unit()
|
|
|
|
def ParseFileWithClearedPPDirective(self):
|
|
self.PreprocessFileWithClear()
|
|
# restore from ListOfList to ListOfString
|
|
self.Profile.FileLinesList = ["".join(list) for list in self.Profile.FileLinesList]
|
|
FileStringContents = ''
|
|
for fileLine in self.Profile.FileLinesList:
|
|
FileStringContents += fileLine
|
|
cStream = antlr3.StringStream(FileStringContents)
|
|
lexer = CLexer(cStream)
|
|
tStream = antlr3.CommonTokenStream(lexer)
|
|
parser = CParser(tStream)
|
|
parser.translation_unit()
|
|
|
|
def CleanFileProfileBuffer(self):
|
|
FileProfile.CommentList = []
|
|
FileProfile.PPDirectiveList = []
|
|
FileProfile.PredicateExpressionList = []
|
|
FileProfile.FunctionDefinitionList = []
|
|
FileProfile.VariableDeclarationList = []
|
|
FileProfile.EnumerationDefinitionList = []
|
|
FileProfile.StructUnionDefinitionList = []
|
|
FileProfile.TypedefDefinitionList = []
|
|
FileProfile.FunctionCallingList = []
|
|
|
|
def PrintFragments(self):
|
|
|
|
print '################# ' + self.FileName + '#####################'
|
|
|
|
print '/****************************************/'
|
|
print '/*************** COMMENTS ***************/'
|
|
print '/****************************************/'
|
|
for comment in FileProfile.CommentList:
|
|
print str(comment.StartPos) + comment.Content
|
|
|
|
print '/****************************************/'
|
|
print '/********* PREPROCESS DIRECTIVES ********/'
|
|
print '/****************************************/'
|
|
for pp in FileProfile.PPDirectiveList:
|
|
print str(pp.StartPos) + pp.Content
|
|
|
|
print '/****************************************/'
|
|
print '/********* VARIABLE DECLARATIONS ********/'
|
|
print '/****************************************/'
|
|
for var in FileProfile.VariableDeclarationList:
|
|
print str(var.StartPos) + var.Modifier + ' '+ var.Declarator
|
|
|
|
print '/****************************************/'
|
|
print '/********* FUNCTION DEFINITIONS *********/'
|
|
print '/****************************************/'
|
|
for func in FileProfile.FunctionDefinitionList:
|
|
print str(func.StartPos) + func.Modifier + ' '+ func.Declarator + ' ' + str(func.NamePos)
|
|
|
|
print '/****************************************/'
|
|
print '/************ ENUMERATIONS **************/'
|
|
print '/****************************************/'
|
|
for enum in FileProfile.EnumerationDefinitionList:
|
|
print str(enum.StartPos) + enum.Content
|
|
|
|
print '/****************************************/'
|
|
print '/*********** STRUCTS/UNIONS *************/'
|
|
print '/****************************************/'
|
|
for su in FileProfile.StructUnionDefinitionList:
|
|
print str(su.StartPos) + su.Content
|
|
|
|
print '/****************************************/'
|
|
print '/********* PREDICATE EXPRESSIONS ********/'
|
|
print '/****************************************/'
|
|
for predexp in FileProfile.PredicateExpressionList:
|
|
print str(predexp.StartPos) + predexp.Content
|
|
|
|
print '/****************************************/'
|
|
print '/************** TYPEDEFS ****************/'
|
|
print '/****************************************/'
|
|
for typedef in FileProfile.TypedefDefinitionList:
|
|
print str(typedef.StartPos) + typedef.ToType
|
|
|
|
if __name__ == "__main__":
|
|
|
|
collector = CodeFragmentCollector(sys.argv[1])
|
|
collector.PreprocessFile()
|
|
print "For Test."
|