Start introducing both inline and block variants of macro calls

core/modules/parsers/wikiparser/rules/macrocallinline.js

@@ -0,0 +1,59 @@
+/*\
+title: $:/core/modules/parsers/wikiparser/rules/macrocall.js
+type: application/javascript
+module-type: wikirule
+
+Wiki rule for macro calls
+
+{{{
+<<name value value2>>
+}}}
+
+\*/
+(function(){
+
+/*jslint node: true, browser: true */
+/*global $tw: false */
+"use strict";
+
+exports.name = "macrocall";
+exports.types = {inline: true};
+
+exports.init = function(parser) {
+	this.parser = parser;
+	// Regexp to match
+	this.matchRegExp = /<<([^\s>]+)\s*([\s\S]*?)>>/mg;
+};
+
+/*
+Parse the most recent match
+*/
+exports.parse = function() {
+	// Get all the details of the match
+	var macroName = this.match[1],
+		paramString = this.match[2];
+	// Move past the macro call
+	this.parser.pos = this.matchRegExp.lastIndex;
+	var params = [],
+		reParam = /\s*(?:([A-Za-z0-9\-_]+)\s*:)?(?:\s*(?:"([^"]*)"|'([^']*)'|\[\[([^\]]*)\]\]|([^"'\s]+)))/mg,
+		paramMatch = reParam.exec(paramString);
+	while(paramMatch) {
+		// Process this parameter
+		var paramInfo = {
+			value: paramMatch[2] || paramMatch[3] || paramMatch[4] || paramMatch[5]
+		};
+		if(paramMatch[1]) {
+			paramInfo.name = paramMatch[1];
+		}
+		params.push(paramInfo);
+		// Find the next match
+		paramMatch = reParam.exec(paramString);
+	}
+	return [{
+		type: "macrocall",
+		name: macroName,
+		params: params
+	}];
+};
+
+})();