functionList/fortran.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!-- ==========================================================================\
|
|   To learn how to make your own language parser, please check the following
|   link:
|       https://npp-user-manual.org/docs/function-list/
|
\=========================================================================== -->
<NotepadPlus>
	<functionList>
		<!--
		|   Based on:
		|       https://notepad-plus-plus.org/community/topic/11059/custom-functions-list-rules
		|       https://notepad-plus-plus.org/community/topic/13553/functionlist-xml-regular-expressions-not-parsing-properly
		\-->
		<parser
			displayName="Fortran Free Form style - FORmula TRANslation"
			id         ="fortran_freeform"
			commentExpr="(?x)                                               # free-spacing (see `RegEx - Pattern Modifiers`)
							(?m-s:!.*$)                                     # Single Line Comment
						"
		>
			<function
				mainExpr="(?x)                                              # free-spacing (see `RegEx - Pattern Modifiers`)
						(?im-s)                                             # case-insensitive, ^ and $ match at line breaks, dot does not
						^\h*                                                # optional leading whitespace at start-of-line
						(?:
							(?:
								ELEMENTAL
							|	(?:IM)?PURE
							|	MODULE
							|	(?:NON_)?RECURSIVE
							)
							\s+
						)*
						(?:FUNCTION|SUBROUTINE)\s+
						\K                                                  # discard text matched so far
						[A-Z]\w{0,62}                                       # valid character combination for identifiers
						(?:\s*\([^()]*\))?                                  # optional paramater list
					"
			>
				<!-- comment out the following node to display the method with its parameters -->
				<functionName>
					<nameExpr expr="\w+" />
				</functionName>
			</function>
		</parser>
	</functionList>
</NotepadPlus>