_lua.py
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###############################################################################
# Name: lua.py #
# Purpose: Define Lua5 syntax for highlighting and other features #
# Author: Cody Precord <cprecord@editra.org> #
# Copyright: (c) 2007 Cody Precord <staff@editra.org> #
# License: wxWindows License #
###############################################################################
"""
FILE: lua.py
AUTHOR: Cody Precord
@summary: Lexer configuration module for Lua
@todo: This setup for Lua5, maybe add Lua4 support
"""
__author__ = "Cody Precord <cprecord@editra.org>"
__svnid__ = "$Id: _lua.py 68798 2011-08-20 17:17:05Z CJP $"
__revision__ = "$Revision: 68798 $"
#-----------------------------------------------------------------------------#
# Imports
import wx.stc as stc
# Local Imports
import syndata
#-----------------------------------------------------------------------------#
#---- Keyword Definitions ----#
# Keywords
LUA_KEYWORDS = (0, "and break do else elseif end false for function if "
"in local nil not or repeat return then true until while")
# Basic Functions
LUA_FUNCT = (1, "_VERSION assert collectgarbage dofile error gcinfo loadfile "
"loadstring print rawget rawset require tonumber tostring type "
"unpack "
# Lua5 Basic functions
"_G getfenv getmetatable ipairs loadlib next pairs pcall "
"rawequal setfenv setmetatable xpcall \string table math "
"coroutine io os debug \load module select")
# String, (table) & math functions Lua5
LUA_STR = (2, "string.byte string.char string.dump string.find string.len "
"string.lower string.rep string.sub string.upper string.format "
"string.gfind string.gsub table.concat table.foreach "
"table.foreachi table.getn table.sort table.insert table.remove "
"table.setn math.abs math.acos math.asin math.atan math.atan2 "
"math.ceil math.cos math.deg math.exp math.floor math.frexp "
"math.ldexp math.log math.log10 math.max math.min math.mod "
"math.pi math.pow math.rad math.random math.randomseed math.sin "
"math.sqrt math.tan string.gmatch string.match string.reverse "
"table.maxn math.cosh math.fmod math.modf math.sinh math.tanh "
"math.huge")
# (coroutines), I/O & system facilities
LUA_CO = (3, "coroutine.create coroutine.resume coroutine.status coroutine."
"wrap coroutine.yield io.close io.flush io.input io.lines io.open "
"io.output io.read io.tmpfile io.type io.write io.stdin io.stdout "
"io.stderr os.clock os.date os.difftime os.execute os.exit "
"os.getenv os.remove os.rename os.setlocale os.time os.tmpname "
"coroutine.running package.cpath package.loaded package.loadlib "
"package.path package.preload package.seeall io.popen")
# user1
LUA_U1 = (4, "")
# user2
LUA_U2 = (5, "")
# user3
LUA_U3 = (6, "")
# user4
LUA_U4 = (7, "")
#---- End Keyword Definitions ----#
#---- Syntax Style Specs ----#
SYNTAX_ITEMS = [(stc.STC_LUA_CHARACTER, 'char_style'),
(stc.STC_LUA_COMMENT, 'comment_style'),
(stc.STC_LUA_COMMENTDOC, 'dockey_style'),
(stc.STC_LUA_COMMENTLINE, 'comment_style'),
(stc.STC_LUA_DEFAULT, 'default_style'),
(stc.STC_LUA_IDENTIFIER, 'default_style'), # style maybe
(stc.STC_LUA_LITERALSTRING, 'string_style'),
(stc.STC_LUA_NUMBER, 'number_style'),
(stc.STC_LUA_OPERATOR, 'operator_style'),
(stc.STC_LUA_PREPROCESSOR, 'pre_style'),
(stc.STC_LUA_STRING, 'string_style'),
(stc.STC_LUA_STRINGEOL, 'stringeol_style'),
(stc.STC_LUA_WORD, 'keyword_style'),
(stc.STC_LUA_WORD2, 'keyword3_style'),
(stc.STC_LUA_WORD3, 'funct_style'),
(stc.STC_LUA_WORD4, 'funct_style'),
(stc.STC_LUA_WORD5, 'default_style'), # currently unused
(stc.STC_LUA_WORD6, 'default_style'), # currently unused
(stc.STC_LUA_WORD7, 'default_style'), # currently unused
(stc.STC_LUA_WORD8, 'default_style') # currently unused
]
#---- Extra Properties ----#
FOLD = ("fold", "1")
FOLD_COMP = ("fold.compact", "1")
#-----------------------------------------------------------------------------#
class SyntaxData(syndata.SyntaxDataBase):
"""SyntaxData object for Lua"""
def __init__(self, langid):
super(SyntaxData, self).__init__(langid)
# Setup
self.SetLexer(stc.STC_LEX_LUA)
def GetKeywords(self):
"""Returns Specified Keywords List """
return [LUA_KEYWORDS, LUA_FUNCT, LUA_STR, LUA_CO]
def GetSyntaxSpec(self):
"""Syntax Specifications """
return SYNTAX_ITEMS
def GetProperties(self):
"""Returns a list of Extra Properties to set"""
return [FOLD, FOLD_COMP]
def GetCommentPattern(self):
"""Returns a list of characters used to comment a block of code """
return [u'--']