added lexers for Python and Linux Device Trees

* The device tree lexer reuses CPP and has certain limitations.
  For once it does not recognize /keywords/ and secondly it confuses
  properties beginning with # as preprocessor statements.

3 files changed, 96 insertions, 1 deletions

diff --git a/lib/Makefile.am b/lib/Makefile.am
index 69a7c02..6e13712 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -55,6 +55,7 @@ dist_lexer_DATA = lexers/verilog.tes \
                   lexers/c.tes \
                   lexers/cpp.tes \
                   lexers/gob.tes \
+                  lexers/devicetree.tes \
                   lexers/test.tes \
                   lexers/kix.tes \
                   lexers/baan.tes \
@@ -87,7 +88,8 @@ dist_lexer_DATA = lexers/verilog.tes \
                   lexers/pov.tes \
                   lexers/rust.tes \
                   lexers/blitzbasic.tes \
-                  lexers/caml.tes
+                  lexers/caml.tes \
+                  lexers/python.tes
 
 # This lexer is responsible for styling
 # womanpages and is thus useful even when omitting
diff --git a/lib/lexers/devicetree.tes b/lib/lexers/devicetree.tes
new file mode 100644
index 0000000..7551458
--- /dev/null
+++ b/lib/lexers/devicetree.tes
@@ -0,0 +1,25 @@
+!*
+ * Linux device tree files
+ *
+ * Limitations:
+ * - Keywords like /dts-v1/ cannot be highlighted.
+ * - Properties beginning with `#` are highlighted like preprocessor statements.
+ *!
+
+@[lexer.test.devicetree]{
+  :EN*.dtsQ*"S -1 '
+  :EN*.dtsiQ*
+}
+
+@[lexer.set.devicetree]{
+  ESSETILEXERcpp
+  :M[color.comment],1M[color.set]
+  :M[color.comment],2M[color.set]
+  :M[color.comment],3M[color.set]
+  :M[color.number],4M[color.set]
+  :M[color.keyword],5M[color.set]
+  :M[color.string],6M[color.set]
+  :M[color.string2],7M[color.set]
+  :M[color.preproc],9M[color.set]
+  :M[color.operator],10M[color.set]
+}
diff --git a/lib/lexers/python.tes b/lib/lexers/python.tes
new file mode 100644
index 0000000..0106f5c
--- /dev/null
+++ b/lib/lexers/python.tes
@@ -0,0 +1,68 @@
+!* Python lexer *!
+
+@[lexer.test.python]{
+  _#!MpythonM[lexer.checkheader]"S -1 '
+  :EN*.pyQ*"S -1 '
+  :EN*.pywQ*"S -1 '
+  :EN*.pyxQ*"S -1 '
+  :EN*.pxdQ*"S -1 '
+  :EN*.pxiQ*
+}
+
+@[lexer.set.python]{
+  ESSETILEXERpython
+  0ESSETKEYWORDS
+    False None True and as assert break class continue
+    def del elif else except finally for from global if import in is lambda
+    nonlocal not or pass raise return try while with yield
+    cdef cimport cpdef
+  2,11ESALLOCATESUBSTYLESU.s
+  Q.s+0ESSETIDENTIFIERS
+    __main__ _dummy_thread _thread abc aifc argparse
+    array ast asynchat asyncio asyncore atexit audioop
+    base64 bdb binascii binhex bisect builtins bz2
+    calendar cgi cgitb chunk cmath cmd code codecs
+    codeop collections colorsys compileall concurrent
+    configparser contextlib copy copyreg crypt csv
+    ctypes curses datetime dbm decimal difflib dis
+    distutils dummy_threading email ensurepip enum
+    errno faulthandler fcntl filecmp fileinput fnmatch
+    formatter fpectl fractions ftplib functools gc getopt
+    getpass gettext glob grp gzip hashlib heapq hmac
+    html http http imaplib imghdr importlib inspect io
+    ipaddress itertools json keyword linecache locale
+    logging lzma macpath mailbox mailcap marshal math
+    mimetypes mmap modulefinder msilib msvcrt
+    multiprocessing netrc nis nntplib numbers operator
+    os os ossaudiodev parser pathlib pdb pickle
+    pickletools pipes pkgutil platform plistlib poplib posix
+    pprint pty pwd py_compile pyclbr queue quopri
+    random re readline reprlib resource rlcompleter runpy
+    sched select selectors shelve shlex shutil signal site
+    smtpd smtplib sndhdr socket socketserver spwd
+    sqlite3 ssl stat statistics string stringprep struct
+    subprocess sunau symbol symtable sys sysconfig
+    syslog tabnanny tarfile telnetlib tempfile termios
+    textwrap threading time timeit tkinter token
+    tokenize trace traceback tracemalloc tty turtle
+    types unicodedata unittest urllib uu uuid venv warnings
+    wave weakref webbrowser winreg winsound wsgiref
+    xdrlib xml xmlrpc zipfile zipimport zlib
+  Q.s+1ESSETIDENTIFIERS
+    __future__ with_statement unicode_literals print_function
+  :M[color.comment],1M[color.set]
+  :M[color.number],2M[color.set]
+  :M[color.string],3M[color.set]
+  :M[color.string2],4M[color.set]
+  :M[color.keyword],5M[color.set]
+  :M[color.string2],6M[color.set]
+  :M[color.string],7M[color.set]
+  :M[color.operator],10M[color.set]
+  :M[color.string],12M[color.set]
+  :M[color.string],16M[color.set]
+  :M[color.string2],17M[color.set]
+  :M[color.string2],18M[color.set]
+  :M[color.string],19M[color.set]
+  :M[color.variable],Q.s+0M[color.set]
+  :M[color.variable],Q.s+1M[color.set]
+}