functionList/lua.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!-- Copied from  https://github.com/notepad-plus-plus/notepad-plus-plus/issues/4563 -->
<NotepadPlus>
	<functionList>
<!-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
			|   Based on:
			|       http://stackoverflow.com/questions/19246077/how-to-add-lua-functions-to-the-notepad-functionlist-xml
			|
			|   Note(s):
			|   1)  Multi Line Comment `Level` is supported by Lua 5.1 and above;
			|   2)  Nested table view not supported;
			\-->
			<parser
				displayName="Lua w/ Class"
				id         ="lua_syntax"
				commentExpr="(?x)                                               # free-spacing (see `RegEx - Pattern Modifiers`)
							(?s:                                                # Multi Line Comment (MLC)
								(?&lt;!-)                                       # - no preceeding dash, otherwise start of SLC
								-{2}\x5B(?'MLCLvl'=*)\x5B.*?\x5D\k'MLCLvl'\x5D
							)
						|	(?m-s:-{2}(?!\x5B=*\x5B).*$)                        # Single Line Comment (SLC)
						|	(?s:\x22(?:[^\x22\x5C]|\x5C.)*\x22)                 # String Literal - Double Quoted (SLDQ) / Normal String
						|	(?s:                                                # String Literal - Multi Line    (SLML) / Long   String
								(?&lt;!-{2})                                    # - no preceeding double dash, otherwise start of MLC or SLC
								\x5B(?'SLMLLvl'=*)\x5B(?:[^\x5C\x5D]|\x5C.)*\x5D\k'SLMLLvl'\x5D
							)
						|	(?s:\x27(?:[^\x27\x5C]|\x5C.)*\x27)                 # String Literal - Single Quoted (SLSQ) / Char   String
					"
			>
				<classRange
					mainExpr    ="(?x)                                          # free-spacing (see `RegEx - Pattern Modifiers`)
							[.\w]+
							\s*=
							\s*\{
						"
					openSymbole ="\{"
					closeSymbole="\}"
				>
					<className>
						<nameExpr expr="[.\w]+" />
					</className>
					<function
						mainExpr="(?x)                                          # free-spacing (see `RegEx - Pattern Modifiers`)
								[.\w]+
								\s*=
								\s*(?'QT'[\x22\x27]?)\w+\k'QT'
							"
					>
						<functionName>
							<funcNameExpr expr=".*" />
						</functionName>
					</function>
				</classRange>
				<function
					mainExpr="(?x)                                              # free-spacing (see `RegEx - Pattern Modifiers`)
							(?m-i)                                              # ^ and $ match at line-breaks, case-sensitive
							(?(DEFINE)                                          # definition of sub-routine(s)
								(?'VALID_ID'                                    # Valid Identifier sub-routine
									\b(?!(?-i:                                  # - keywords (case-sensitive), not to be used as identifier
										and
									|	break
									|	do
									|	e(?:lse(?:if)?|nd)
									|	f(?:alse|or|unction)
									|	goto
									|	i[fn]
									|	local
									|	n(?:il|ot)
									|	or
									|	re(?:peat|turn)
									|	t(?:hen|rue)
									|	until
									|	while
									)\b)
									[A-Za-z_\x7F-\xFF][\w\x7F-\xFF]*            # - valid character combination for identifiers
								)
							)
							(?m)                                                # ^ and $ match at line-breaks
							(?:
								^\h*                                            # optional leading white-space at start-of-line
								(?:local\s+)?
								function\s+
								\K                                              # discard text matched so far
								(?&amp;VALID_ID)
								(?:\s*\.\s*(?&amp;VALID_ID))*
								(?:\s*:\s*(?&amp;VALID_ID))?
							|
								(?&amp;VALID_ID)
								(?:\s*\.\s*(?&amp;VALID_ID))*
								\s*=
								\s*function
							)
							\s*\(                                               # start-of-parameter-list indicator
							[^)]*                                               # optional parameters
							\)                                                  # end-of-parameter-list indicator
						"
				>
					<functionName>
						<nameExpr expr="[A-Za-z_\x7F-\xFF][\w\x7F-\xFF]*(?=\s*[(=])" />
					</functionName>
					<className>
						<nameExpr expr="[A-Za-z_\x7F-\xFF][\w\x7F-\xFF]*(?:\s*\.\s*[A-Za-z_\x7F-\xFF][\w\x7F-\xFF]*)*(?=\s*[.:])" />
					</className>
				</function>
			</parser>
	</functionList>
</NotepadPlus>