privatebin/jsdoc_toolkit-2.3.3-beta/app/lib/JSDOC/Walker.js

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2010-05-26 22:34:42 +00:00
if (typeof JSDOC == "undefined") JSDOC = {};
/** @constructor */
JSDOC.Walker = function(/**JSDOC.TokenStream*/ts) {
this.init();
if (typeof ts != "undefined") {
this.walk(ts);
}
}
JSDOC.Walker.prototype.init = function() {
this.ts = null;
var globalSymbol = new JSDOC.Symbol("_global_", [], "GLOBAL", new JSDOC.DocComment(""));
globalSymbol.isNamespace = true;
globalSymbol.srcFile = "";
globalSymbol.isPrivate = false;
JSDOC.Parser.addSymbol(globalSymbol);
this.lastDoc = null;
this.token = null;
/**
The chain of symbols under which we are currently nested.
@type Array
*/
this.namescope = [globalSymbol];
this.namescope.last = function(n){ if (!n) n = 0; return this[this.length-(1+n)] || "" };
}
JSDOC.Walker.prototype.walk = function(/**JSDOC.TokenStream*/ts) {
this.ts = ts;
while (this.token = this.ts.look()) {
if (this.token.popNamescope) {
var symbol = this.namescope.pop();
if (symbol.is("FUNCTION")) {
if (this.ts.look(1).is("LEFT_PAREN") && symbol.comment.getTag("function").length == 0) {
symbol.isa = "OBJECT";
}
}
}
this.step();
if (!this.ts.next()) break;
}
}
JSDOC.Walker.prototype.step = function() {
if (this.token.is("JSDOC")) { // it's a doc comment
var doc = new JSDOC.DocComment(this.token.data);
if (doc.getTag("exports").length > 0) {
var exports = doc.getTag("exports")[0];
exports.desc.match(/(\S+) as (\S+)/i);
var n1 = RegExp.$1;
var n2 = RegExp.$2;
if (!n1 && n2) throw "@exports tag requires a value like: 'name as ns.name'";
JSDOC.Parser.rename = (JSDOC.Parser.rename || {});
JSDOC.Parser.rename[n1] = n2
}
if (doc.getTag("lends").length > 0) {
var lends = doc.getTag("lends")[0];
var name = lends.desc
if (!name) throw "@lends tag requires a value.";
var symbol = new JSDOC.Symbol(name, [], "OBJECT", doc);
this.namescope.push(symbol);
var matching = this.ts.getMatchingToken("LEFT_CURLY");
if (matching) matching.popNamescope = name;
else LOG.warn("Mismatched } character. Can't parse code in file " + symbol.srcFile + ".");
this.lastDoc = null;
return true;
}
else if (doc.getTag("name").length > 0 && doc.getTag("overview").length == 0) { // it's a virtual symbol
var virtualName = doc.getTag("name")[0].desc;
if (!virtualName) throw "@name tag requires a value.";
if (doc.getTag("memberOf").length > 0) {
virtualName = (doc.getTag("memberOf")[0] + "." + virtualName)
.replace(/([#.])\./, "$1");
doc.deleteTag("memberOf");
}
var symbol = new JSDOC.Symbol(virtualName, [], "VIRTUAL", doc);
JSDOC.Parser.addSymbol(symbol);
this.lastDoc = null;
return true;
}
else if (doc.meta) { // it's a meta doclet
if (doc.meta == "@+") JSDOC.DocComment.shared = doc.src;
else if (doc.meta == "@-") JSDOC.DocComment.shared = "";
else if (doc.meta == "nocode+") JSDOC.Parser.conf.ignoreCode = true;
else if (doc.meta == "nocode-") JSDOC.Parser.conf.ignoreCode = JSDOC.opt.n;
else throw "Unrecognized meta comment: "+doc.meta;
this.lastDoc = null;
return true;
}
else if (doc.getTag("overview").length > 0) { // it's a file overview
symbol = new JSDOC.Symbol("", [], "FILE", doc);
JSDOC.Parser.addSymbol(symbol);
this.lastDoc = null;
return true;
}
else {
this.lastDoc = doc;
return false;
}
}
else if (!JSDOC.Parser.conf.ignoreCode) { // it's code
if (this.token.is("NAME")) { // it's the name of something
var symbol;
var name = this.token.data;
var doc = null; if (this.lastDoc) doc = this.lastDoc;
var params = [];
// it's inside an anonymous object
if (this.ts.look(1).is("COLON") && this.ts.look(-1).is("LEFT_CURLY") && !(this.ts.look(-2).is("JSDOC") || this.namescope.last().comment.getTag("lends").length || this.ts.look(-2).is("ASSIGN") || this.ts.look(-2).is("COLON"))) {
name = "$anonymous";
name = this.namescope.last().alias+"-"+name
params = [];
symbol = new JSDOC.Symbol(name, params, "OBJECT", doc);
JSDOC.Parser.addSymbol(symbol);
this.namescope.push(symbol);
var matching = this.ts.getMatchingToken(null, "RIGHT_CURLY");
if (matching) matching.popNamescope = name;
else LOG.warn("Mismatched } character. Can't parse code in file " + symbol.srcFile + ".");
}
// function foo() {}
else if (this.ts.look(-1).is("FUNCTION") && this.ts.look(1).is("LEFT_PAREN")) {
var isInner;
if (this.lastDoc) doc = this.lastDoc;
if (doc && doc.getTag("memberOf").length > 0) {
name = (doc.getTag("memberOf")[0]+"."+name).replace("#.", "#");
doc.deleteTag("memberOf");
}
else {
name = this.namescope.last().alias+"-"+name;
if (!this.namescope.last().is("GLOBAL")) isInner = true;
}
if (!this.namescope.last().is("GLOBAL")) isInner = true;
params = JSDOC.Walker.onParamList(this.ts.balance("LEFT_PAREN"));
symbol = new JSDOC.Symbol(name, params, "FUNCTION", doc);
if (isInner) symbol.isInner = true;
if (this.ts.look(1).is("JSDOC")) {
var inlineReturn = ""+this.ts.look(1).data;
inlineReturn = inlineReturn.replace(/(^\/\*\* *| *\*\/$)/g, "");
symbol.type = inlineReturn;
}
JSDOC.Parser.addSymbol(symbol);
this.namescope.push(symbol);
var matching = this.ts.getMatchingToken("LEFT_CURLY");
if (matching) matching.popNamescope = name;
else LOG.warn("Mismatched } character. Can't parse code in file " + symbol.srcFile + ".");
}
// foo = function() {}
else if (this.ts.look(1).is("ASSIGN") && this.ts.look(2).is("FUNCTION")) {
var constructs;
var isConstructor = false;
if (doc && (constructs = doc.getTag("constructs")) && constructs.length) {
if (constructs[0].desc) {
name = constructs[0].desc;
isConstructor = true;
}
}
var isInner;
if (this.ts.look(-1).is("VAR") || this.isInner) {
if (doc && doc.getTag("memberOf").length > 0) {
name = (doc.getTag("memberOf")[0]+"."+name).replace("#.", "#");
doc.deleteTag("memberOf");
}
else {
name = this.namescope.last().alias+"-"+name;
if (!this.namescope.last().is("GLOBAL")) isInner = true;
}
if (!this.namescope.last().is("GLOBAL")) isInner = true;
}
else if (name.indexOf("this.") == 0) {
name = this.resolveThis(name);
}
if (this.lastDoc) doc = this.lastDoc;
params = JSDOC.Walker.onParamList(this.ts.balance("LEFT_PAREN"));
symbol = new JSDOC.Symbol(name, params, "FUNCTION", doc);
if (isInner) symbol.isInner = true;
if (isConstructor) symbol.isa = "CONSTRUCTOR";
if (this.ts.look(1).is("JSDOC")) {
var inlineReturn = ""+this.ts.look(1).data;
inlineReturn = inlineReturn.replace(/(^\/\*\* *| *\*\/$)/g, "");
symbol.type = inlineReturn;
}
JSDOC.Parser.addSymbol(symbol);
this.namescope.push(symbol);
var matching = this.ts.getMatchingToken("LEFT_CURLY");
if (matching) matching.popNamescope = name;
else LOG.warn("Mismatched } character. Can't parse code in file " + symbol.srcFile + ".");
}
// foo = new function() {} or foo = (function() {}
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")) {
var isInner;
if (this.ts.look(-1).is("VAR") || this.isInner) {
name = this.namescope.last().alias+"-"+name
if (!this.namescope.last().is("GLOBAL")) isInner = true;
}
else if (name.indexOf("this.") == 0) {
name = this.resolveThis(name);
}
this.ts.next(3); // advance past the "new" or "("
if (this.lastDoc) doc = this.lastDoc;
params = JSDOC.Walker.onParamList(this.ts.balance("LEFT_PAREN"));
symbol = new JSDOC.Symbol(name, params, "OBJECT", doc);
if (isInner) symbol.isInner = true;
if (this.ts.look(1).is("JSDOC")) {
var inlineReturn = ""+this.ts.look(1).data;
inlineReturn = inlineReturn.replace(/(^\/\*\* *| *\*\/$)/g, "");
symbol.type = inlineReturn;
}
JSDOC.Parser.addSymbol(symbol);
symbol.scopeType = "INSTANCE";
this.namescope.push(symbol);
var matching = this.ts.getMatchingToken("LEFT_CURLY");
if (matching) matching.popNamescope = name;
else LOG.warn("Mismatched } character. Can't parse code in file " + symbol.srcFile + ".");
}
// foo: function() {}
else if (this.ts.look(1).is("COLON") && this.ts.look(2).is("FUNCTION")) {
name = (this.namescope.last().alias+"."+name).replace("#.", "#");
if (this.lastDoc) doc = this.lastDoc;
params = JSDOC.Walker.onParamList(this.ts.balance("LEFT_PAREN"));
if (doc && doc.getTag("constructs").length) {
name = name.replace(/\.prototype(\.|$)/, "#");
if (name.indexOf("#") > -1) name = name.match(/(^[^#]+)/)[0];
else name = this.namescope.last().alias;
symbol = new JSDOC.Symbol(name, params, "CONSTRUCTOR", doc);
}
else {
symbol = new JSDOC.Symbol(name, params, "FUNCTION", doc);
}
if (this.ts.look(1).is("JSDOC")) {
var inlineReturn = ""+this.ts.look(1).data;
inlineReturn = inlineReturn.replace(/(^\/\*\* *| *\*\/$)/g, "");
symbol.type = inlineReturn;
}
JSDOC.Parser.addSymbol(symbol);
this.namescope.push(symbol);
var matching = this.ts.getMatchingToken("LEFT_CURLY");
if (matching) matching.popNamescope = name;
else LOG.warn("Mismatched } character. Can't parse code in file " + symbol.srcFile + ".");
}
// foo = {}
else if (this.ts.look(1).is("ASSIGN") && this.ts.look(2).is("LEFT_CURLY")) {
var isInner;
if (this.ts.look(-1).is("VAR") || this.isInner) {
name = this.namescope.last().alias+"-"+name
if (!this.namescope.last().is("GLOBAL")) isInner = true;
}
else if (name.indexOf("this.") == 0) {
name = this.resolveThis(name);
}
if (this.lastDoc) doc = this.lastDoc;
symbol = new JSDOC.Symbol(name, params, "OBJECT", doc);
if (isInner) symbol.isInner = true;
if (doc) JSDOC.Parser.addSymbol(symbol);
this.namescope.push(symbol);
var matching = this.ts.getMatchingToken("LEFT_CURLY");
if (matching) matching.popNamescope = name;
else LOG.warn("Mismatched } character. Can't parse code in file " + symbol.srcFile + ".");
}
// var foo;
else if (this.ts.look(1).is("SEMICOLON")) {
var isInner;
if (this.ts.look(-1).is("VAR") || this.isInner) {
name = this.namescope.last().alias+"-"+name
if (!this.namescope.last().is("GLOBAL")) isInner = true;
if (this.lastDoc) doc = this.lastDoc;
symbol = new JSDOC.Symbol(name, params, "OBJECT", doc);
if (isInner) symbol.isInner = true;
if (doc) JSDOC.Parser.addSymbol(symbol);
}
}
// foo = x
else if (this.ts.look(1).is("ASSIGN")) {
var isInner;
if (this.ts.look(-1).is("VAR") || this.isInner) {
name = this.namescope.last().alias+"-"+name
if (!this.namescope.last().is("GLOBAL")) isInner = true;
}
else if (name.indexOf("this.") == 0) {
name = this.resolveThis(name);
}
if (this.lastDoc) doc = this.lastDoc;
symbol = new JSDOC.Symbol(name, params, "OBJECT", doc);
if (isInner) symbol.isInner = true;
if (doc) JSDOC.Parser.addSymbol(symbol);
}
// foo: {}
else if (this.ts.look(1).is("COLON") && this.ts.look(2).is("LEFT_CURLY")) {
name = (this.namescope.last().alias+"."+name).replace("#.", "#");
if (this.lastDoc) doc = this.lastDoc;
symbol = new JSDOC.Symbol(name, params, "OBJECT", doc);
if (doc) JSDOC.Parser.addSymbol(symbol);
this.namescope.push(symbol);
var matching = this.ts.getMatchingToken("LEFT_CURLY");
if (matching) matching.popNamescope = name;
else LOG.warn("Mismatched } character. Can't parse code in file " + symbol.srcFile + ".");
}
// foo: x
else if (this.ts.look(1).is("COLON")) {
name = (this.namescope.last().alias+"."+name).replace("#.", "#");;
if (this.lastDoc) doc = this.lastDoc;
symbol = new JSDOC.Symbol(name, params, "OBJECT", doc);
if (doc) JSDOC.Parser.addSymbol(symbol);
}
// foo(...)
else if (this.ts.look(1).is("LEFT_PAREN")) {
if (typeof JSDOC.PluginManager != "undefined") {
var functionCall = {name: name};
var cursor = this.ts.cursor;
params = JSDOC.Walker.onParamList(this.ts.balance("LEFT_PAREN"));
this.ts.cursor = cursor;
for (var i = 0; i < params.length; i++)
functionCall["arg" + (i + 1)] = params[i].name;
JSDOC.PluginManager.run("onFunctionCall", functionCall);
if (functionCall.doc) {
this.ts.insertAhead(new JSDOC.Token(functionCall.doc, "COMM", "JSDOC"));
}
}
}
this.lastDoc = null;
}
else if (this.token.is("FUNCTION")) { // it's an anonymous function
if (
(!this.ts.look(-1).is("COLON") || !this.ts.look(-1).is("ASSIGN"))
&& !this.ts.look(1).is("NAME")
) {
if (this.lastDoc) doc = this.lastDoc;
name = "$anonymous";
name = this.namescope.last().alias+"-"+name
params = JSDOC.Walker.onParamList(this.ts.balance("LEFT_PAREN"));
symbol = new JSDOC.Symbol(name, params, "FUNCTION", doc);
JSDOC.Parser.addSymbol(symbol);
this.namescope.push(symbol);
var matching = this.ts.getMatchingToken("LEFT_CURLY");
if (matching) matching.popNamescope = name;
else LOG.warn("Mismatched } character. Can't parse code in file " + symbol.srcFile + ".");
}
}
}
return true;
}
/**
Resolves what "this." means when it appears in a name.
@param name The name that starts with "this.".
@returns The name with "this." resolved.
*/
JSDOC.Walker.prototype.resolveThis = function(name) {
name.match(/^this\.(.+)$/)
var nameFragment = RegExp.$1;
if (!nameFragment) return name;
var symbol = this.namescope.last();
var scopeType = symbol.scopeType || symbol.isa;
// if we are in a constructor function, `this` means the instance
if (scopeType == "CONSTRUCTOR") {
name = symbol.alias+"#"+nameFragment;
}
// if we are in an anonymous constructor function, `this` means the instance
else if (scopeType == "INSTANCE") {
name = symbol.alias+"."+nameFragment;
}
// if we are in a function, `this` means the container (possibly the global)
else if (scopeType == "FUNCTION") {
// in a method of a prototype, so `this` means the constructor
if (symbol.alias.match(/(^.*)[#.-][^#.-]+/)) {
var parentName = RegExp.$1;
var parent = JSDOC.Parser.symbols.getSymbol(parentName);
if (!parent) {
if (JSDOC.Lang.isBuiltin(parentName)) parent = JSDOC.Parser.addBuiltin(parentName);
else {
if (symbol.alias.indexOf("$anonymous") < 0) // these will be ignored eventually
LOG.warn("Trying to document "+symbol.alias+" without first documenting "+parentName+".");
}
}
if (parent) name = parentName+(parent.is("CONSTRUCTOR")?"#":".")+nameFragment;
}
else {
parent = this.namescope.last(1);
name = parent.alias+(parent.is("CONSTRUCTOR")?"#":".")+nameFragment;
}
}
// 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;
}