207 lines
7.3 KiB
Python
207 lines
7.3 KiB
Python
"""
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pygments.lexers.make
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~~~~~~~~~~~~~~~~~~~~
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Lexers for Makefiles and similar.
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:copyright: Copyright 2006-2022 by the Pygments team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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import re
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from pygments.lexer import Lexer, RegexLexer, include, bygroups, \
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do_insertions, using
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from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
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Punctuation, Whitespace
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from pygments.lexers.shell import BashLexer
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__all__ = ['MakefileLexer', 'BaseMakefileLexer', 'CMakeLexer']
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class MakefileLexer(Lexer):
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"""
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Lexer for BSD and GNU make extensions (lenient enough to handle both in
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the same file even).
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*Rewritten in Pygments 0.10.*
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"""
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name = 'Makefile'
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aliases = ['make', 'makefile', 'mf', 'bsdmake']
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filenames = ['*.mak', '*.mk', 'Makefile', 'makefile', 'Makefile.*', 'GNUmakefile']
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mimetypes = ['text/x-makefile']
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r_special = re.compile(
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r'^(?:'
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# BSD Make
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r'\.\s*(include|undef|error|warning|if|else|elif|endif|for|endfor)|'
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# GNU Make
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r'\s*(ifeq|ifneq|ifdef|ifndef|else|endif|-?include|define|endef|:|vpath)|'
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# GNU Automake
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r'\s*(if|else|endif))(?=\s)')
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r_comment = re.compile(r'^\s*@?#')
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def get_tokens_unprocessed(self, text):
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ins = []
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lines = text.splitlines(True)
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done = ''
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lex = BaseMakefileLexer(**self.options)
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backslashflag = False
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for line in lines:
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if self.r_special.match(line) or backslashflag:
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ins.append((len(done), [(0, Comment.Preproc, line)]))
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backslashflag = line.strip().endswith('\\')
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elif self.r_comment.match(line):
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ins.append((len(done), [(0, Comment, line)]))
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else:
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done += line
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yield from do_insertions(ins, lex.get_tokens_unprocessed(done))
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def analyse_text(text):
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# Many makefiles have $(BIG_CAPS) style variables
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if re.search(r'\$\([A-Z_]+\)', text):
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return 0.1
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class BaseMakefileLexer(RegexLexer):
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"""
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Lexer for simple Makefiles (no preprocessing).
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.. versionadded:: 0.10
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"""
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name = 'Base Makefile'
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aliases = ['basemake']
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filenames = []
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mimetypes = []
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tokens = {
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'root': [
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# recipes (need to allow spaces because of expandtabs)
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(r'^(?:[\t ]+.*\n|\n)+', using(BashLexer)),
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# special variables
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(r'\$[<@$+%?|*]', Keyword),
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(r'\s+', Whitespace),
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(r'#.*?\n', Comment),
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(r'((?:un)?export)(\s+)(?=[\w${}\t -]+\n)',
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bygroups(Keyword, Text), 'export'),
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(r'(?:un)?export\s+', Keyword),
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# assignment
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(r'([\w${}().-]+)(\s*)([!?:+]?=)([ \t]*)((?:.*\\\n)+|.*\n)',
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bygroups(Name.Variable, Text, Operator, Text, using(BashLexer))),
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# strings
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(r'"(\\\\|\\[^\\]|[^"\\])*"', String.Double),
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(r"'(\\\\|\\[^\\]|[^'\\])*'", String.Single),
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# targets
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(r'([^\n:]+)(:+)([ \t]*)', bygroups(Name.Function, Operator, Text),
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'block-header'),
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# expansions
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(r'\$\(', Keyword, 'expansion'),
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],
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'expansion': [
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(r'[^\w$().-]+', Text),
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(r'[\w.-]+', Name.Variable),
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(r'\$', Keyword),
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(r'\(', Keyword, '#push'),
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(r'\)', Keyword, '#pop'),
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],
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'export': [
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(r'[\w${}-]+', Name.Variable),
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(r'\n', Text, '#pop'),
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(r'\s+', Whitespace),
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],
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'block-header': [
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(r'[,|]', Punctuation),
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(r'#.*?\n', Comment, '#pop'),
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(r'\\\n', Text), # line continuation
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(r'\$\(', Keyword, 'expansion'),
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(r'[a-zA-Z_]+', Name),
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(r'\n', Text, '#pop'),
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(r'.', Text),
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],
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}
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class CMakeLexer(RegexLexer):
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"""
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Lexer for CMake files.
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.. versionadded:: 1.2
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"""
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name = 'CMake'
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url = 'https://cmake.org/documentation/'
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aliases = ['cmake']
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filenames = ['*.cmake', 'CMakeLists.txt']
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mimetypes = ['text/x-cmake']
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tokens = {
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'root': [
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# (r'(ADD_CUSTOM_COMMAND|ADD_CUSTOM_TARGET|ADD_DEFINITIONS|'
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# r'ADD_DEPENDENCIES|ADD_EXECUTABLE|ADD_LIBRARY|ADD_SUBDIRECTORY|'
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# r'ADD_TEST|AUX_SOURCE_DIRECTORY|BUILD_COMMAND|BUILD_NAME|'
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# r'CMAKE_MINIMUM_REQUIRED|CONFIGURE_FILE|CREATE_TEST_SOURCELIST|'
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# r'ELSE|ELSEIF|ENABLE_LANGUAGE|ENABLE_TESTING|ENDFOREACH|'
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# r'ENDFUNCTION|ENDIF|ENDMACRO|ENDWHILE|EXEC_PROGRAM|'
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# r'EXECUTE_PROCESS|EXPORT_LIBRARY_DEPENDENCIES|FILE|FIND_FILE|'
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# r'FIND_LIBRARY|FIND_PACKAGE|FIND_PATH|FIND_PROGRAM|FLTK_WRAP_UI|'
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# r'FOREACH|FUNCTION|GET_CMAKE_PROPERTY|GET_DIRECTORY_PROPERTY|'
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# r'GET_FILENAME_COMPONENT|GET_SOURCE_FILE_PROPERTY|'
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# r'GET_TARGET_PROPERTY|GET_TEST_PROPERTY|IF|INCLUDE|'
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# r'INCLUDE_DIRECTORIES|INCLUDE_EXTERNAL_MSPROJECT|'
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# r'INCLUDE_REGULAR_EXPRESSION|INSTALL|INSTALL_FILES|'
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# r'INSTALL_PROGRAMS|INSTALL_TARGETS|LINK_DIRECTORIES|'
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# r'LINK_LIBRARIES|LIST|LOAD_CACHE|LOAD_COMMAND|MACRO|'
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# r'MAKE_DIRECTORY|MARK_AS_ADVANCED|MATH|MESSAGE|OPTION|'
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# r'OUTPUT_REQUIRED_FILES|PROJECT|QT_WRAP_CPP|QT_WRAP_UI|REMOVE|'
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# r'REMOVE_DEFINITIONS|SEPARATE_ARGUMENTS|SET|'
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# r'SET_DIRECTORY_PROPERTIES|SET_SOURCE_FILES_PROPERTIES|'
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# r'SET_TARGET_PROPERTIES|SET_TESTS_PROPERTIES|SITE_NAME|'
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# r'SOURCE_GROUP|STRING|SUBDIR_DEPENDS|SUBDIRS|'
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# r'TARGET_LINK_LIBRARIES|TRY_COMPILE|TRY_RUN|UNSET|'
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# r'USE_MANGLED_MESA|UTILITY_SOURCE|VARIABLE_REQUIRES|'
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# r'VTK_MAKE_INSTANTIATOR|VTK_WRAP_JAVA|VTK_WRAP_PYTHON|'
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# r'VTK_WRAP_TCL|WHILE|WRITE_FILE|'
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# r'COUNTARGS)\b', Name.Builtin, 'args'),
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(r'\b(\w+)([ \t]*)(\()', bygroups(Name.Builtin, Text,
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Punctuation), 'args'),
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include('keywords'),
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include('ws')
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],
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'args': [
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(r'\(', Punctuation, '#push'),
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(r'\)', Punctuation, '#pop'),
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(r'(\$\{)(.+?)(\})', bygroups(Operator, Name.Variable, Operator)),
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(r'(\$ENV\{)(.+?)(\})', bygroups(Operator, Name.Variable, Operator)),
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(r'(\$<)(.+?)(>)', bygroups(Operator, Name.Variable, Operator)),
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(r'(?s)".*?"', String.Double),
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(r'\\\S+', String),
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(r'[^)$"# \t\n]+', String),
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(r'\n', Text), # explicitly legal
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include('keywords'),
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include('ws')
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],
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'string': [
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],
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'keywords': [
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(r'\b(WIN32|UNIX|APPLE|CYGWIN|BORLAND|MINGW|MSVC|MSVC_IDE|MSVC60|'
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r'MSVC70|MSVC71|MSVC80|MSVC90)\b', Keyword),
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],
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'ws': [
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(r'[ \t]+', Whitespace),
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(r'#.*\n', Comment),
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]
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}
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def analyse_text(text):
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exp = (
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r'^[ \t]*CMAKE_MINIMUM_REQUIRED[ \t]*'
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r'\([ \t]*VERSION[ \t]*\d+(\.\d+)*[ \t]*'
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r'([ \t]FATAL_ERROR)?[ \t]*\)[ \t]*'
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r'(#[^\n]*)?$'
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)
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if re.search(exp, text, flags=re.MULTILINE | re.IGNORECASE):
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return 0.8
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return 0.0
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