Refactored evaluation of macro dependencies

Now the dependencies are evaluated in the constructor for the
Renderer.MacroNode

js/Renderer.js

@@ -40,16 +40,46 @@ Node.prototype.refresh = function(changes) {
 Node.prototype.refreshInDom = function(changes) {
 };
 
-var MacroNode = function(macroName,paramFn,children,dependencies,store) {
+/*
+Construct a renderer node representing a macro invocation
+	macroName: name of the macro
+	params: a hashmap of parameters (each can be a string, or a fn(tiddler,store,utils) for evaluated parameters)
+	children: optional array of child nodes
+	store: reference to the WikiStore associated with this macro
+*/
+var MacroNode = function(macroName,srcParams,children,store,dependencies) {
 	if(this instanceof MacroNode) {
+		// Save the details
 		this.macroName = macroName;
 		this.macro = store.macros[macroName];
-		this.paramFn = paramFn; // Can be a function yielding a hashmap, or a direct hashmap
+		this.srcParams = srcParams;
 		this.children = children;
-		this.dependencies = dependencies;
 		this.store = store;
+		// Evaluate the dependencies
+		if(dependencies) {
+			this.dependencies = dependencies;
 		} else {
-		return new MacroNode(macroName,paramFn,children,dependencies,store);
+			this.dependencies = new Dependencies();
+			if(srcParams && this.macro) {
+				if(this.macro.dependentAll) {
+					this.dependencies.dependentAll = true;
+				}
+				for(var m in this.macro.params) {
+					var paramInfo = this.macro.params[m];
+					if(m in srcParams) {
+						if(paramInfo.type === "tiddler") {
+							if(typeof srcParams[m] === "function") {
+								this.dependencies.dependentAll = true;
+							} else {
+								this.dependencies.addDependency(srcParams[m],paramInfo.skinny);
+							}
+						}
+					}
+				}
+			}
+		}
+	} else {
+		return new MacroNode(macroName,srcParams,children,store,dependencies);
 	}
 };
 
@@ -57,7 +87,7 @@ MacroNode.prototype = new Node();
 MacroNode.prototype.constructor = MacroNode;
 
 MacroNode.prototype.clone = function() {
-	return new MacroNode(this.macroName,this.paramFn,this.cloneChildren(),this.dependencies,this.store);
+	return new MacroNode(this.macroName,this.srcParams,this.cloneChildren(),this.store,this.dependencies);
 };
 
 MacroNode.prototype.cloneChildren = function() {
@@ -72,11 +102,14 @@ MacroNode.prototype.cloneChildren = function() {
 };
 
 MacroNode.prototype.execute = function(parents,tiddler) {
-	// Evaluate the macro parameters to get their values
-	if(typeof this.paramFn === "object") {
-		this.params = this.paramFn;	
+	// Evaluate macro parameters to get their values
+	this.params = {};
+	for(var p in this.srcParams) {
+		if(typeof this.srcParams[p] === "function") {
+			this.params[p] = this.srcParams[p](tiddler,this.store,utils);
 		} else {
-		this.params = this.paramFn(tiddler,this.store,utils);
+			this.params[p] = this.srcParams[p];
+		}
 	}
 	// Save the context tiddler
 	this.tiddlerTitle = tiddler ? tiddler.title : null;
@@ -404,7 +437,6 @@ var Renderer = function(tiddlerTitle,templateTitle,store) {
 						"tiddler",
 						{target: tiddlerTitle, template: templateTitle},
 						null,
-						new Dependencies([],[tiddlerTitle,templateTitle]),
 						store);
 	this.macro.execute();
 };

js/WikiStore.js

@@ -278,7 +278,6 @@ WikiStore.prototype.renderTiddler = function(targetType,tiddlerTitle,templateTit
 						"tiddler",
 						{target: tiddlerTitle, template: templateTitle},
 						null,
-						new Dependencies([],[tiddlerTitle,templateTitle]),
 						this);
 	macro.execute();
 	return macro.render(targetType);

js/WikiTextRules.js

@@ -103,54 +103,11 @@ var enclosedTextHelper = function(w) {
 	}
 };
 
-var compileMacroParams = function(w,params) {
-	// Slot the parameters into the macro call
-	var properties = [],n;
-	for(var p in params) {
-		if(params[p].type === "string") {
-			n = {type: "StringLiteral", value: params[p].value};
-		} else {
-			n = w.store.jsParser.parse(params[p].value).tree.elements[0];
-		}
-		properties.push({type: "PropertyAssignment",name: p,value: n});
-	}
-	return w.store.jsParser.createTree([
-			{
-				type: "Function",
-				name: null,
-				params: ["tiddler","store","utils"], // These are the parameters passed to the parameter expressions
-				elements: [ {
-					type: "ReturnStatement",
-					value: {
-						type: "ObjectLiteral",
-						properties: properties
-					}
-				} ]
-			}
-		]).compile("application/javascript").render;
-};
-
 var insertMacroCall = function(w,output,name,params,children) {
-	var macro = w.store.macros[name],
-		dependencies = new Dependencies();
-	if(macro) {
-		if(macro.dependentAll) {
-			dependencies.dependentAll = true;
-		}
-		for(var m in macro.params) {
-			var param = macro.params[m];
-			if(m in params) {
-				if(param.type === "tiddler") {
-					if(params[m].type === "eval") {
-						dependencies.dependentAll = true;
-					} else {
-						dependencies.addDependency(params[m].value,param.skinny);
-					}
-				}
-			}
-		}
-		w.dependencies.mergeDependencies(dependencies);
-		output.push(Renderer.MacroNode(name,compileMacroParams(w,params),children,dependencies,w.store));
+	if(name in w.store.macros) {
+		var macroNode = Renderer.MacroNode(name,params,children,w.store);
+		w.dependencies.mergeDependencies(macroNode.dependencies);
+		output.push(macroNode);
 	}
 };
 
@@ -160,7 +117,21 @@ var parseMacroParams = function(w,name,paramString) {
 	if(macro) {
 		var args = new ArgParser(paramString,{defaultName: "anon"}),
 			insertParam = function(param,name,arg) {
-				params[name] = {type: arg.evaluated ? "eval" : "string", value: arg.string};
+				if(arg.evaluated) {
+					params[name] = w.store.jsParser.createTree([
+						{
+							type: "Function",
+							name: null,
+							params: ["tiddler","store","utils"], // These are the parameters passed to the parameter expressions
+							elements: [ {
+								type: "ReturnStatement",
+								value: w.store.jsParser.parse(arg.string).tree.elements[0]
+							} ]
+						}
+					]).compile("application/javascript").render;
+				} else {
+					params[name] = arg.string;
+				}
 			};
 		for(var m in macro.params) {
 			var param = macro.params[m],
@@ -509,9 +480,7 @@ var rules = [
 				// Pretty bracketted link
 				link = lookaheadMatch[3];
 			}
-			insertMacroCall(w,w.output,"link",{
-				target: {type: "string", value: link}
-			},[Renderer.TextNode(text)]);
+			insertMacroCall(w,w.output,"link",{target: link},[Renderer.TextNode(text)]);
 			w.nextMatch = this.lookaheadRegExp.lastIndex;
 		}
 	}
@@ -536,9 +505,7 @@ var rules = [
 			}
 		}
 		if(w.autoLinkWikiWords) {
-			insertMacroCall(w,w.output,"link",{
-				target: {type: "string", value: w.matchText}
-			},[Renderer.TextNode(w.source.substring(w.matchStart,w.nextMatch))]);
+			insertMacroCall(w,w.output,"link",{target: w.matchText},[Renderer.TextNode(w.source.substring(w.matchStart,w.nextMatch))]);
 		} else {
 			w.outputText(w.output,w.matchStart,w.nextMatch);
 		}
@@ -550,9 +517,7 @@ var rules = [
 	match: textPrimitives.urlPattern,
 	handler: function(w)
 	{
-		insertMacroCall(w,w.output,"link",{
-			target: {type: "string", value: w.matchText}
-		},[Renderer.TextNode(w.source.substring(w.matchStart,w.nextMatch))]);
+		insertMacroCall(w,w.output,"link",{target: w.matchText},[Renderer.TextNode(w.source.substring(w.matchStart,w.nextMatch))]);
 	}
 },
 
@@ -565,24 +530,20 @@ var rules = [
 	{
 		this.lookaheadRegExp.lastIndex = w.matchStart;
 		var lookaheadMatch = this.lookaheadRegExp.exec(w.source),
-			imageParams = {
-				src: {type: "string", value: ""}
-			},
-			linkParams = {
-				target: {type: "string", value: ""}
-			};
+			imageParams = {},
+			linkParams = {};
 		if(lookaheadMatch && lookaheadMatch.index == w.matchStart) {
 			if(lookaheadMatch[1]) {
-				imageParams.alignment = {type: "string", value: "left"};
+				imageParams.alignment = "left";
 			} else if(lookaheadMatch[2]) {
-				imageParams.alignment = {type: "string", value: "right"};
+				imageParams.alignment = "right";
 			}
 			if(lookaheadMatch[3]) {
-				imageParams.text = {type: "string", value: lookaheadMatch[3]};
+				imageParams.text = lookaheadMatch[3];
 			}
-			imageParams.src.value = lookaheadMatch[4];
+			imageParams.src = lookaheadMatch[4];
 			if(lookaheadMatch[5]) {
-				linkParams.target.value = lookaheadMatch[5];
+				linkParams.target = lookaheadMatch[5];
 				var linkChildren = [];
 				insertMacroCall(w,w.output,"link",linkParams,linkChildren);
 				insertMacroCall(w,linkChildren,"image",imageParams);

js/macros/slider.js

@@ -48,7 +48,6 @@ exports.macro = {
 												"tiddler",
 												{target: target},
 												null,
-												new Dependencies([],[target]),
 												store)
 										]);
 			content.execute(macroNode.parents,tiddler);

js/macros/story.js

@@ -50,7 +50,6 @@ exports.macro = {
 			var m = Renderer.MacroNode("tiddler",
 										{target: tiddlers[t],template: macroNode.params.template},
 										null,
-										new Dependencies([],[tiddlers[t],macroNode.params.template]),
 										store);
 			m.execute(macroNode.parents,tiddler);
 			content.push(m);
@@ -83,7 +82,6 @@ exports.macro = {
 				var m = Renderer.MacroNode("tiddler",
 											{target: targetTiddlers[t],template: template},
 											null,
-											new Dependencies([],[targetTiddlers[t],template]),
 											store);
 				m.execute(macroNode.parents,store.getTiddler(targetTiddlers[t]));
 				m.renderInDom(macroNode.domNode,macroNode.domNode.childNodes[t]);

js/macros/view.js

@@ -34,7 +34,6 @@ exports.macro = {
 						var link = Renderer.MacroNode("link",
 													{target: v},
 													[Renderer.TextNode(v)],
-													new Dependencies([v]),
 													store);
 						link.execute(parents,tiddler);
 						return [link];