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