508 lines
16 KiB
JavaScript
508 lines
16 KiB
JavaScript
if (typeof JSDOC == "undefined") JSDOC = {};
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/** @constructor */
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JSDOC.Walker = function(/**JSDOC.TokenStream*/ts) {
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this.init();
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if (typeof ts != "undefined") {
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this.walk(ts);
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}
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}
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JSDOC.Walker.prototype.init = function() {
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this.ts = null;
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var globalSymbol = new JSDOC.Symbol("_global_", [], "GLOBAL", new JSDOC.DocComment(""));
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globalSymbol.isNamespace = true;
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globalSymbol.srcFile = "";
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globalSymbol.isPrivate = false;
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JSDOC.Parser.addSymbol(globalSymbol);
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this.lastDoc = null;
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this.token = null;
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/**
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The chain of symbols under which we are currently nested.
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@type Array
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*/
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this.namescope = [globalSymbol];
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this.namescope.last = function(n){ if (!n) n = 0; return this[this.length-(1+n)] || "" };
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}
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JSDOC.Walker.prototype.walk = function(/**JSDOC.TokenStream*/ts) {
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this.ts = ts;
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while (this.token = this.ts.look()) {
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if (this.token.popNamescope) {
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var symbol = this.namescope.pop();
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if (symbol.is("FUNCTION")) {
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if (this.ts.look(1).is("LEFT_PAREN") && symbol.comment.getTag("function").length == 0) {
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symbol.isa = "OBJECT";
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}
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}
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}
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this.step();
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if (!this.ts.next()) break;
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}
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}
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JSDOC.Walker.prototype.step = function() {
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if (this.token.is("JSDOC")) { // it's a doc comment
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var doc = new JSDOC.DocComment(this.token.data);
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if (doc.getTag("exports").length > 0) {
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var exports = doc.getTag("exports")[0];
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exports.desc.match(/(\S+) as (\S+)/i);
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var n1 = RegExp.$1;
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var n2 = RegExp.$2;
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if (!n1 && n2) throw "@exports tag requires a value like: 'name as ns.name'";
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JSDOC.Parser.rename = (JSDOC.Parser.rename || {});
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JSDOC.Parser.rename[n1] = n2
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}
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if (doc.getTag("lends").length > 0) {
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var lends = doc.getTag("lends")[0];
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var name = lends.desc
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if (!name) throw "@lends tag requires a value.";
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var symbol = new JSDOC.Symbol(name, [], "OBJECT", doc);
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this.namescope.push(symbol);
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var matching = this.ts.getMatchingToken("LEFT_CURLY");
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if (matching) matching.popNamescope = name;
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else LOG.warn("Mismatched } character. Can't parse code in file " + symbol.srcFile + ".");
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this.lastDoc = null;
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return true;
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}
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else if (doc.getTag("name").length > 0 && doc.getTag("overview").length == 0) { // it's a virtual symbol
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var virtualName = doc.getTag("name")[0].desc;
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if (!virtualName) throw "@name tag requires a value.";
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if (doc.getTag("memberOf").length > 0) {
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virtualName = (doc.getTag("memberOf")[0] + "." + virtualName)
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.replace(/([#.])\./, "$1");
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doc.deleteTag("memberOf");
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}
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var symbol = new JSDOC.Symbol(virtualName, [], "VIRTUAL", doc);
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JSDOC.Parser.addSymbol(symbol);
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this.lastDoc = null;
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return true;
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}
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else if (doc.meta) { // it's a meta doclet
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if (doc.meta == "@+") JSDOC.DocComment.shared = doc.src;
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else if (doc.meta == "@-") JSDOC.DocComment.shared = "";
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else if (doc.meta == "nocode+") JSDOC.Parser.conf.ignoreCode = true;
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else if (doc.meta == "nocode-") JSDOC.Parser.conf.ignoreCode = JSDOC.opt.n;
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else throw "Unrecognized meta comment: "+doc.meta;
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this.lastDoc = null;
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return true;
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}
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else if (doc.getTag("overview").length > 0) { // it's a file overview
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symbol = new JSDOC.Symbol("", [], "FILE", doc);
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JSDOC.Parser.addSymbol(symbol);
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this.lastDoc = null;
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return true;
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}
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else {
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this.lastDoc = doc;
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return false;
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}
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}
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else if (!JSDOC.Parser.conf.ignoreCode) { // it's code
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if (this.token.is("NAME")) { // it's the name of something
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var symbol;
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var name = this.token.data;
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var doc = null; if (this.lastDoc) doc = this.lastDoc;
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var params = [];
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// it's inside an anonymous object
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if (this.ts.look(1).is("COLON") && this.ts.look(-1).is("LEFT_CURLY") && !(this.ts.look(-2).is("JSDOC") || this.namescope.last().comment.getTag("lends").length || this.ts.look(-2).is("ASSIGN") || this.ts.look(-2).is("COLON"))) {
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name = "$anonymous";
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name = this.namescope.last().alias+"-"+name
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params = [];
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symbol = new JSDOC.Symbol(name, params, "OBJECT", doc);
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JSDOC.Parser.addSymbol(symbol);
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this.namescope.push(symbol);
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var matching = this.ts.getMatchingToken(null, "RIGHT_CURLY");
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if (matching) matching.popNamescope = name;
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else LOG.warn("Mismatched } character. Can't parse code in file " + symbol.srcFile + ".");
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}
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// function foo() {}
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else if (this.ts.look(-1).is("FUNCTION") && this.ts.look(1).is("LEFT_PAREN")) {
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var isInner;
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if (this.lastDoc) doc = this.lastDoc;
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if (doc && doc.getTag("memberOf").length > 0) {
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name = (doc.getTag("memberOf")[0]+"."+name).replace("#.", "#");
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doc.deleteTag("memberOf");
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}
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else {
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name = this.namescope.last().alias+"-"+name;
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if (!this.namescope.last().is("GLOBAL")) isInner = true;
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}
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if (!this.namescope.last().is("GLOBAL")) isInner = true;
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params = JSDOC.Walker.onParamList(this.ts.balance("LEFT_PAREN"));
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symbol = new JSDOC.Symbol(name, params, "FUNCTION", doc);
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if (isInner) symbol.isInner = true;
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if (this.ts.look(1).is("JSDOC")) {
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var inlineReturn = ""+this.ts.look(1).data;
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inlineReturn = inlineReturn.replace(/(^\/\*\* *| *\*\/$)/g, "");
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symbol.type = inlineReturn;
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}
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JSDOC.Parser.addSymbol(symbol);
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this.namescope.push(symbol);
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var matching = this.ts.getMatchingToken("LEFT_CURLY");
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if (matching) matching.popNamescope = name;
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else LOG.warn("Mismatched } character. Can't parse code in file " + symbol.srcFile + ".");
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}
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// foo = function() {}
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else if (this.ts.look(1).is("ASSIGN") && this.ts.look(2).is("FUNCTION")) {
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var constructs;
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var isConstructor = false;
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if (doc && (constructs = doc.getTag("constructs")) && constructs.length) {
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if (constructs[0].desc) {
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name = constructs[0].desc;
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isConstructor = true;
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}
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}
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var isInner;
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if (this.ts.look(-1).is("VAR") || this.isInner) {
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if (doc && doc.getTag("memberOf").length > 0) {
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name = (doc.getTag("memberOf")[0]+"."+name).replace("#.", "#");
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doc.deleteTag("memberOf");
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}
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else {
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name = this.namescope.last().alias+"-"+name;
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if (!this.namescope.last().is("GLOBAL")) isInner = true;
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}
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if (!this.namescope.last().is("GLOBAL")) isInner = true;
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}
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else if (name.indexOf("this.") == 0) {
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name = this.resolveThis(name);
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}
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if (this.lastDoc) doc = this.lastDoc;
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params = JSDOC.Walker.onParamList(this.ts.balance("LEFT_PAREN"));
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symbol = new JSDOC.Symbol(name, params, "FUNCTION", doc);
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if (isInner) symbol.isInner = true;
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if (isConstructor) symbol.isa = "CONSTRUCTOR";
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if (this.ts.look(1).is("JSDOC")) {
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var inlineReturn = ""+this.ts.look(1).data;
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inlineReturn = inlineReturn.replace(/(^\/\*\* *| *\*\/$)/g, "");
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symbol.type = inlineReturn;
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}
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JSDOC.Parser.addSymbol(symbol);
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this.namescope.push(symbol);
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var matching = this.ts.getMatchingToken("LEFT_CURLY");
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if (matching) matching.popNamescope = name;
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else LOG.warn("Mismatched } character. Can't parse code in file " + symbol.srcFile + ".");
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}
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// foo = new function() {} or foo = (function() {}
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else if (this.ts.look(1).is("ASSIGN") && (this.ts.look(2).is("NEW") || this.ts.look(2).is("LEFT_PAREN")) && this.ts.look(3).is("FUNCTION")) {
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var isInner;
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if (this.ts.look(-1).is("VAR") || this.isInner) {
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name = this.namescope.last().alias+"-"+name
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if (!this.namescope.last().is("GLOBAL")) isInner = true;
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}
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else if (name.indexOf("this.") == 0) {
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name = this.resolveThis(name);
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}
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this.ts.next(3); // advance past the "new" or "("
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if (this.lastDoc) doc = this.lastDoc;
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params = JSDOC.Walker.onParamList(this.ts.balance("LEFT_PAREN"));
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symbol = new JSDOC.Symbol(name, params, "OBJECT", doc);
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if (isInner) symbol.isInner = true;
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if (this.ts.look(1).is("JSDOC")) {
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var inlineReturn = ""+this.ts.look(1).data;
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inlineReturn = inlineReturn.replace(/(^\/\*\* *| *\*\/$)/g, "");
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symbol.type = inlineReturn;
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}
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JSDOC.Parser.addSymbol(symbol);
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symbol.scopeType = "INSTANCE";
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this.namescope.push(symbol);
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var matching = this.ts.getMatchingToken("LEFT_CURLY");
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if (matching) matching.popNamescope = name;
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else LOG.warn("Mismatched } character. Can't parse code in file " + symbol.srcFile + ".");
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}
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// foo: function() {}
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else if (this.ts.look(1).is("COLON") && this.ts.look(2).is("FUNCTION")) {
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name = (this.namescope.last().alias+"."+name).replace("#.", "#");
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if (this.lastDoc) doc = this.lastDoc;
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params = JSDOC.Walker.onParamList(this.ts.balance("LEFT_PAREN"));
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if (doc && doc.getTag("constructs").length) {
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name = name.replace(/\.prototype(\.|$)/, "#");
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if (name.indexOf("#") > -1) name = name.match(/(^[^#]+)/)[0];
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else name = this.namescope.last().alias;
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symbol = new JSDOC.Symbol(name, params, "CONSTRUCTOR", doc);
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}
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else {
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symbol = new JSDOC.Symbol(name, params, "FUNCTION", doc);
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}
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if (this.ts.look(1).is("JSDOC")) {
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var inlineReturn = ""+this.ts.look(1).data;
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inlineReturn = inlineReturn.replace(/(^\/\*\* *| *\*\/$)/g, "");
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symbol.type = inlineReturn;
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}
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JSDOC.Parser.addSymbol(symbol);
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this.namescope.push(symbol);
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var matching = this.ts.getMatchingToken("LEFT_CURLY");
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if (matching) matching.popNamescope = name;
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else LOG.warn("Mismatched } character. Can't parse code in file " + symbol.srcFile + ".");
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}
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// foo = {}
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else if (this.ts.look(1).is("ASSIGN") && this.ts.look(2).is("LEFT_CURLY")) {
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var isInner;
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if (this.ts.look(-1).is("VAR") || this.isInner) {
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name = this.namescope.last().alias+"-"+name
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if (!this.namescope.last().is("GLOBAL")) isInner = true;
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}
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else if (name.indexOf("this.") == 0) {
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name = this.resolveThis(name);
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}
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if (this.lastDoc) doc = this.lastDoc;
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symbol = new JSDOC.Symbol(name, params, "OBJECT", doc);
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if (isInner) symbol.isInner = true;
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if (doc) JSDOC.Parser.addSymbol(symbol);
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this.namescope.push(symbol);
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var matching = this.ts.getMatchingToken("LEFT_CURLY");
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if (matching) matching.popNamescope = name;
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else LOG.warn("Mismatched } character. Can't parse code in file " + symbol.srcFile + ".");
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}
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// var foo;
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else if (this.ts.look(1).is("SEMICOLON")) {
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var isInner;
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if (this.ts.look(-1).is("VAR") || this.isInner) {
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name = this.namescope.last().alias+"-"+name
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if (!this.namescope.last().is("GLOBAL")) isInner = true;
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if (this.lastDoc) doc = this.lastDoc;
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symbol = new JSDOC.Symbol(name, params, "OBJECT", doc);
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if (isInner) symbol.isInner = true;
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if (doc) JSDOC.Parser.addSymbol(symbol);
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}
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}
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// foo = x
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else if (this.ts.look(1).is("ASSIGN")) {
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var isInner;
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if (this.ts.look(-1).is("VAR") || this.isInner) {
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name = this.namescope.last().alias+"-"+name
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if (!this.namescope.last().is("GLOBAL")) isInner = true;
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}
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else if (name.indexOf("this.") == 0) {
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name = this.resolveThis(name);
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}
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if (this.lastDoc) doc = this.lastDoc;
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symbol = new JSDOC.Symbol(name, params, "OBJECT", doc);
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if (isInner) symbol.isInner = true;
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if (doc) JSDOC.Parser.addSymbol(symbol);
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}
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// foo: {}
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else if (this.ts.look(1).is("COLON") && this.ts.look(2).is("LEFT_CURLY")) {
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name = (this.namescope.last().alias+"."+name).replace("#.", "#");
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if (this.lastDoc) doc = this.lastDoc;
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symbol = new JSDOC.Symbol(name, params, "OBJECT", doc);
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if (doc) JSDOC.Parser.addSymbol(symbol);
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this.namescope.push(symbol);
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var matching = this.ts.getMatchingToken("LEFT_CURLY");
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if (matching) matching.popNamescope = name;
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else LOG.warn("Mismatched } character. Can't parse code in file " + symbol.srcFile + ".");
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}
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// foo: x
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else if (this.ts.look(1).is("COLON")) {
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name = (this.namescope.last().alias+"."+name).replace("#.", "#");;
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if (this.lastDoc) doc = this.lastDoc;
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symbol = new JSDOC.Symbol(name, params, "OBJECT", doc);
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if (doc) JSDOC.Parser.addSymbol(symbol);
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}
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// foo(...)
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else if (this.ts.look(1).is("LEFT_PAREN")) {
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if (typeof JSDOC.PluginManager != "undefined") {
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var functionCall = {name: name};
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var cursor = this.ts.cursor;
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params = JSDOC.Walker.onParamList(this.ts.balance("LEFT_PAREN"));
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this.ts.cursor = cursor;
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for (var i = 0; i < params.length; i++)
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functionCall["arg" + (i + 1)] = params[i].name;
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JSDOC.PluginManager.run("onFunctionCall", functionCall);
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if (functionCall.doc) {
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this.ts.insertAhead(new JSDOC.Token(functionCall.doc, "COMM", "JSDOC"));
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}
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}
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}
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this.lastDoc = null;
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}
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else if (this.token.is("FUNCTION")) { // it's an anonymous function
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if (
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(!this.ts.look(-1).is("COLON") || !this.ts.look(-1).is("ASSIGN"))
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&& !this.ts.look(1).is("NAME")
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) {
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if (this.lastDoc) doc = this.lastDoc;
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name = "$anonymous";
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name = this.namescope.last().alias+"-"+name
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params = JSDOC.Walker.onParamList(this.ts.balance("LEFT_PAREN"));
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symbol = new JSDOC.Symbol(name, params, "FUNCTION", doc);
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JSDOC.Parser.addSymbol(symbol);
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this.namescope.push(symbol);
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var matching = this.ts.getMatchingToken("LEFT_CURLY");
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if (matching) matching.popNamescope = name;
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else LOG.warn("Mismatched } character. Can't parse code in file " + symbol.srcFile + ".");
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}
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}
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}
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return true;
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}
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/**
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Resolves what "this." means when it appears in a name.
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@param name The name that starts with "this.".
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@returns The name with "this." resolved.
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*/
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JSDOC.Walker.prototype.resolveThis = function(name) {
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name.match(/^this\.(.+)$/)
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var nameFragment = RegExp.$1;
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if (!nameFragment) return name;
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var symbol = this.namescope.last();
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var scopeType = symbol.scopeType || symbol.isa;
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// if we are in a constructor function, `this` means the instance
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if (scopeType == "CONSTRUCTOR") {
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name = symbol.alias+"#"+nameFragment;
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}
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// if we are in an anonymous constructor function, `this` means the instance
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else if (scopeType == "INSTANCE") {
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name = symbol.alias+"."+nameFragment;
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}
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// if we are in a function, `this` means the container (possibly the global)
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else if (scopeType == "FUNCTION") {
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// in a method of a prototype, so `this` means the constructor
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if (symbol.alias.match(/(^.*)[#.-][^#.-]+/)) {
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var parentName = RegExp.$1;
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var parent = JSDOC.Parser.symbols.getSymbol(parentName);
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if (!parent) {
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if (JSDOC.Lang.isBuiltin(parentName)) parent = JSDOC.Parser.addBuiltin(parentName);
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else {
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if (symbol.alias.indexOf("$anonymous") < 0) // these will be ignored eventually
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LOG.warn("Trying to document "+symbol.alias+" without first documenting "+parentName+".");
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}
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}
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if (parent) name = parentName+(parent.is("CONSTRUCTOR")?"#":".")+nameFragment;
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}
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else {
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parent = this.namescope.last(1);
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name = parent.alias+(parent.is("CONSTRUCTOR")?"#":".")+nameFragment;
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|
}
|
|
}
|
|
// otherwise it means the global
|
|
else {
|
|
name = nameFragment;
|
|
}
|
|
|
|
return name;
|
|
}
|
|
|
|
JSDOC.Walker.onParamList = function(/**Array*/paramTokens) {
|
|
if (!paramTokens) {
|
|
LOG.warn("Malformed parameter list. Can't parse code.");
|
|
return [];
|
|
}
|
|
var params = [];
|
|
for (var i = 0, l = paramTokens.length; i < l; i++) {
|
|
if (paramTokens[i].is("JSDOC")) {
|
|
var paramType = paramTokens[i].data.replace(/(^\/\*\* *| *\*\/$)/g, "");
|
|
|
|
if (paramTokens[i+1] && paramTokens[i+1].is("NAME")) {
|
|
i++;
|
|
params.push({type: paramType, name: paramTokens[i].data});
|
|
}
|
|
}
|
|
else if (paramTokens[i].is("NAME")) {
|
|
params.push({name: paramTokens[i].data});
|
|
}
|
|
}
|
|
return params;
|
|
}
|