JSDOC/TokenReader.js
[gnome.introspection-doc-generator] / JSDOC / ScopeParser.js
index 4904130..7c77be0 100644 (file)
@@ -1,35 +1,20 @@
 //<Script type="text/javascript">
 
-Scope = imports.Scope.Scope;
-TokenStream = imports.TokenStream.TokenStream;
+const Scope = imports.Scope.Scope;
+const TokenStream = imports.TokenStream.TokenStream;
 /**
 * Scope stuff
 * 
-* // FIXME - I need this to do next() without doccomments..
-* 
-* 
-* 
-* Need to make this alot simpler...
-* 
-* so debugging is possible.
-* 
-* 
-* at present it just runs along the stream and finds stuff then calls parseExpr .. etc,,
-* 
-* 
-* It would be better to parse blocks of code rather than the whole stream..
-* 
-* 
+* This code now uses the collapsed tree
 * 
 * 
 * 
 */
 
-ScopeParser = function(ts) {
+const ScopeParser = function(ts) {
     this.ts = ts; // {TokenStream}
     this.warnings = [];
-    this.scopes = [];
-    this.indexedScopes = {};
+    this.indexedg = {};
     this.timer = new Date() * 1;
     this.debug = false;
 }
@@ -122,7 +107,6 @@ ScopeParser.prototype = {
     // defaults should not be initialized here =- otherwise they get duped on new, rather than initalized..
     warnings : false,
     ts : false,
-    scopes : false,
     global : false,
     mode : "", //"BUILDING_SYMBOL_TREE",
     braceNesting : 0,
@@ -139,13 +123,12 @@ ScopeParser.prototype = {
         
         this.ts.rewind();
         this.braceNesting = 0;
-        this.scopes = [];
-        
         
+       // print(JSON.stringify(this.ts.tokens, null,4));
         
         
         this.globalScope = new  Scope(-1, false, -1, '');
-        indexedScopes = { 0 : this.globalScope };
+        this.indexedScopes = { 0 : this.globalScope };
         
         this.mode = 'BUILDING_SYMBOL_TREE';
         this.parseScope(this.globalScope);
@@ -183,13 +166,18 @@ ScopeParser.prototype = {
 
         this.ts.rewind();
         this.braceNesting = 0;
-        this.scopes= [];
         this.mode = 'PASS2_SYMBOL_TREE';
         
         //println("MUNGING?");
         
         this.parseScope(this.globalScope);
+        
+        //this.globalScope.dump();
+        
+        
         this.globalScope.munge();
+        this.globalScope.dump();
+        
     },
 
 
@@ -223,13 +211,13 @@ ScopeParser.prototype = {
         
         var isObjectLitAr = [ false ];
         var isInObjectLitAr;
-        this.scopes.push(scope);
+        
        
         //var scopeIndent = ''; 
         //this.scopes.forEach(function() {
         //    scopeIndent += '   '; 
         //});
-        print(">> ENTER SCOPE");
+        //print(">> ENTER SCOPE");
         
         
         
@@ -238,22 +226,22 @@ ScopeParser.prototype = {
         while (token) {
           //  this.timerPrint("parseScope AFTER lookT: " + token.toString()); 
             //this.dumpToken(token , this.scopes, this.braceNesting);
-            print('SCOPE:' + token.toString());
+            //print('SCOPE:' + token.toString());
             //this.log(token.data);
-            if (token.type == 'NAME') {
+            //if (token.type == 'NAME') {
             //    print('*' + token.data);
-            }
+            //}
             switch(token.type + '.' + token.name) {
                 case "KEYW.VAR":
                 case "KEYW.CONST": // not really relivant as it's only mozzy that does this.
-                    print('SCOPE-VAR:' + token.toString());
+                    //print('SCOPE-VAR:' + token.toString());
                     var vstart = this.ts.cursor +1;
                     
                     //this.log("parseScope GOT VAR/CONST : " + token.toString()); 
                     while (true) {
                         token = this.ts.nextTok();
                         //!this.debug|| print( token.toString());
-                        print('SCOPE-VAR:' + token.toString());
+                       // print('SCOPE-VAR-VAL:' + JSON.stringify(token, null, 4));
                         if (!token) { // can return false at EOF!
                             break;
                         }
@@ -272,7 +260,7 @@ ScopeParser.prototype = {
                         
 
                         if (this.mode == "BUILDING_SYMBOL_TREE") {
-                            identifier = scope.getIdentifier(token.data) ;
+                            identifier = scope.getIdentifier(token.data,token) ;
                             
                             if (identifier == false) {
                                 scope.declareIdentifier(token.data, token);
@@ -295,13 +283,28 @@ ScopeParser.prototype = {
                         } else {
                             //var bn = this.braceNesting;
                             var bn = this.braceNesting;
-                            this.parseExpression();
+                            var nts = [];
+                            while (true) {
+                                if (!token || token.type == 'VOID' || token.data == ',') {
+                                    break;
+                                }
+                                nts.push(token);
+                                token = this.ts.nextTok();
+                            }
+                            if (nts.length) {
+                                var TS = this.ts;
+                                this.ts = new TokenStream(nts);
+                                this.parseExpression(scope);
+                                this.ts = TS;
+                            }
+                               
                             this.braceNesting = bn;
                             //this.braceNesting = bn;
                             //this.logR("parseScope DONE  : <B>ParseExpression</B> - tok is:" + this.ts.lookT(0).toString()); 
                             
                             token = this.ts.lookTok(1);
-                            !this.debug|| print("AFTER EXP: " + token.toString());
+                            //!this.debug|| 
+                           // print("AFTER EXP: " + token.toString());
                             if (token.data == ';') {
                                 break;
                             }
@@ -312,69 +315,82 @@ ScopeParser.prototype = {
                     //this.ts.dump(vstart , this.ts.cursor);
                     
                     break;
+                    
+                    
                 case "KEYW.FUNCTION":
-                    print('SCOPE-FUNC:' + JSON.stringify(token,null,4));
+                    //if (this.mode == 'BUILDING_SYMBOL_TREE') 
+                    //    print('SCOPE-FUNC:' + JSON.stringify(token,null,4));
                     //println("<i>"+token.data+"</i>");
                      var bn = this.braceNesting;
-                    this.parseFunctionDeclaration();
+                    this.parseFunctionDeclaration(scope);
                      this.braceNesting = bn;
                     break;
 
                 case "PUNC.LEFT_CURLY": // {
-                    
+                case "PUNC.LEFT_PAREN": // (    
+                case "PUNC.LEFT_BRACE": // [
+                    //print('SCOPE-CURLY/PAREN:' + token.toString());
                     //println("<i>"+token.data+"</i>");
-                    
+                    var curTS = this.ts;
                     if (token.props) {
-                        var curTS = this.ts;
+                        
+                        // { a : ... , c : .... }
+                        
                         for (var prop in token.props) {
-                            if (token.props[prop].val.data == 'function') {
+                            
+                            
+                          //  print('SCOPE-PROPS:' + JSON.stringify(token.props[prop],null,4));
+                            if (token.props[prop].val[0].data == 'function') {
                                 // parse a function..
-                                this.parseFunctProp(token.props[prop]);
+                                this.ts = new TokenStream(token.props[prop].val);
+                                this.ts.nextTok();
+                                this.parseFunctionDeclaration(scope);
+                                
                                 continue;
                             }
                             // key value..
                             
                             this.ts = new TokenStream(token.props[prop].val);
-                            this.parseScope(scope);
+                            this.parseExpression(scope);
                             
                         }
                         this.ts = curTS;
                         
                         // it's an object literal..
                         // the values could be replaced..
-                        
+                        break;
                     }
-                    print('SCOPE-CURLY:' + JSON.stringify(token,null,4));
-                    print("NOT PROPS"); Seed.quit();
                     
-                    isObjectLitAr.push(false);
-                    this.braceNesting++;
+                    // ( ... ) or { .... } not object literals..
+                    
+                    var _this = this;
+                   for (var xx =0; xx < token.items.length; xx++) {
+                               expr = token.items[xx];
+                    //token.items.forEach(function(expr) {
+                            //print(expr.toString());
+                           _this.ts = new TokenStream(expr);
+                            //if (curTS.data == '(') {
+                                _this.parseScope(scope)
+                            //} else {
+                              //  _this.parseExpression(scope)
+                            //}
+                          
+                    }  
+                    this.ts = curTS;
+                    //print("NOT PROPS"); Seed.quit();
+                    
+                    //isObjectLitAr.push(false);
+                    //this.braceNesting++;
                     
                     //print(">>>>>> OBJLIT PUSH(false)" + this.braceNesting);
                     break;
-/*
+
                 case "PUNC.RIGHT_CURLY": // }
-                    //println("<i>"+token.data+"</i>");
-                    this.braceNesting--;
-                    isObjectLitAr.pop();
-                    //print(">>>>>> OBJLIT POP"+ this.braceNesting);
-                        //assert braceNesting >= scope.getBra ceNesting();
-                    
-                    if (this.braceNesting < expressionBraceNesting) {
-                        var ls = this.scopes.pop();
-                        ls.getUsedSymbols();
-                        // eat symbol if we are currently at { 
-                        if (this.ts.look(0).data == '{') {
-                            this.ts.nextTok();
-                        }
-                        
-                        print("<<<<<<<EXIT SCOPE" +this.scopes.length);
-                        return;
-                    }
-                    break;
-*/
+                    //print("<< EXIT SCOPE");
+                    return;
+              
                 case "KEYW.WITH":
-                    print('SCOPE-WITH:' + token.toString());
+                    //print('SCOPE-WITH:' + token.toString());
                     //println("<i>"+token.data+"</i>");   
                     if (this.mode == "BUILDING_SYMBOL_TREE") {
                         // Inside a 'with' block, it is impossible to figure out
@@ -388,22 +404,14 @@ ScopeParser.prototype = {
                     break;
 
                 case "KEYW.CATCH":
-                    print('SCOPE-CATCH:' + token.toString());
+                    //print('SCOPE-CATCH:' + token.toString());
                     //println("<i>"+token.data+"</i>");
-                    this.parseCatch();
+                    this.parseCatch(scope);
                     break;
-                /*
-                case Token.SPECIALCOMMENT:
-                        if (mode == BUILDING_SYMBOL_TREE) {
-                            protectScopeFromObfuscation(scope);
-                            this.warn("Using JScript conditional comments is not recommended." + (munge ? " Moreover, using JScript conditional comments reduces the level of compression." : ""), true);
-                        }
-                        break;
-                */
-                
+
                 case "STRN.DOUBLE_QUOTE": // used for object lit detection..
                 case "STRN.SINGLE_QUOTE":
-                    print('SCOPE-STRING:' + token.toString());
+                  //  print('SCOPE-STRING:' + token.toString());
                     //println("<i>"+token.data+"</i>");
 
                     if (this.ts.lookTok(-1).data == '{' && this.ts.lookTok(1).data == ':') {
@@ -428,33 +436,13 @@ ScopeParser.prototype = {
                         
                     }
                     
-                    
-                    
                     break;
                 
                 case "NAME.NAME":
-                    print('SCOPE-NAME:' + token.toString());
+                    //print('SCOPE-NAME:' + token.toString());
                     //print("DEAL WITH NAME:");
                     // got identifier..
-                    
                     // look for  { ** : <- indicates obj literal.. ** this could occur with numbers ..
-                    if ((this.ts.lookTok(-1).data == "{") && (this.ts.lookTok(1).data == ":")) {
-                        isObjectLitAr.pop();
-                        isObjectLitAr.push(true);
-                        //print(">>>>>> OBJLIT REPUSH(true)");
-                        //println("<i>"+token.data+"</i>");
-                        break;
-                    }
-                   // print("DEAL WITH obj lit:");
-                    isInObjectLitAr = isObjectLitAr[isObjectLitAr.length-1];
-                    
-                    if (isInObjectLitAr && (this.ts.lookTok(1).data == ":") && (this.ts.lookTok(-1).data == ",")) {
-                        // skip, it's an object lit key..
-                        //println("<i>"+token.data+"</i>");
-                        break;
-                    }
-                    
-                    
                     // skip anyting with "." before it..!!
                      
                     if (this.ts.lookTok(-1).data == ".") {
@@ -465,6 +453,9 @@ ScopeParser.prototype = {
                     //print("SYMBOL: " + token.toString());
                     
                     symbol = token.data;
+                    if (symbol == 'this') {
+                        break;
+                    }
                     if (this.mode == 'PASS2_SYMBOL_TREE') {
                         
                         //println("GOT IDENT: -2 : " + this.ts.lookT(-2).toString() + " <BR> ..... -1 :  " +  this.ts.lookT(-1).toString() + " <BR> "); 
@@ -474,7 +465,7 @@ ScopeParser.prototype = {
                         //println("GOT IDENT: <B>" + symbol + "</B><BR/>");
                              
                             //println("GOT IDENT (2): <B>" + symbol + "</B><BR/>");
-                        identifier = this.getIdentifier(symbol, scope);
+                        identifier = this.getIdentifier(symbol, scope, token);
                         
                         if (identifier == false) {
 // BUG!find out where builtin is defined...
@@ -500,24 +491,29 @@ ScopeParser.prototype = {
                     if (token.type != 'KEYW') {
                         break;
                     }
-                    print('SCOPE-KEYW:' + token.toString());
+                    //print('SCOPE-KEYW:' + token.toString());
                    // print("Check eval:");
                 
                     symbol = token.data;
                     
                      if (this.mode == 'BUILDING_SYMBOL_TREE') {
 
-                        if (symbol == "eval") {
+                        if (token.name == "EVAL") {
+                            
+                            //print(JSON.stringify(token, null,4));
                             // look back one and see if we can find a comment!!!
-                            if (this.ts.look(-1).type == "COMM") {
+                            //if (this.ts.look(-1).type == "COMM") {
+                            if (token.prefix && token.prefix.match(/eval/)) {
                                 // look for eval:var:noreplace\n
+                                //print("MATCH!?");
                                 var _t = this;
-                                this.ts.look(-1).data.replace(/eval:var:([a-z_]+)/ig, function(m, a) {
-                                    
-                                    var hi = _t.getIdentifier(a, scope);
+                                token.prefix.replace(/eval:var:([a-z_]+)/ig, function(m, a) {
+                                    //print("GOT: " + a);
+                                    var hi = _t.getIdentifier(a, scope, token);
                                    // println("PROTECT "+a+" from munge" + (hi ? "FOUND" : "MISSING"));
                                     if (hi) {
-                                     //   println("PROTECT "+a+" from munge");
+                                      //  print("PROTECT "+a+" from munge");
+                                        //print(JSON.stringify(hi,null,4));
                                         hi.toMunge = false;
                                     }
                                     
@@ -545,11 +541,12 @@ ScopeParser.prototype = {
             //if (this.ts.nextT()) break;
             
         }
+        //print("<<< EXIT SCOPE");
         //print("<<<<<<<EXIT SCOPE ERR?" +this.scopes.length);
     },
 
     expN : 0,
-    parseExpression : function() {
+    parseExpression : function(scope) {
 
         // Parse the expression until we encounter a comma or a semi-colon
         // in the same brace nesting, bracket nesting and paren nesting.
@@ -564,7 +561,7 @@ ScopeParser.prototype = {
         
         var symbol;
         var token;
-        var currentScope;
+        
         var identifier;
 
         var expressionBraceNesting = this.braceNesting + 0;
@@ -573,11 +570,11 @@ ScopeParser.prototype = {
         var isInObjectLitAr;
         var isObjectLitAr = [ false ];
         
-        currentScope = this.scopes[this.scopes.length-1];
+        
             
         
         //print(scopeIndent + ">> ENTER EXPRESSION" + this.expN);
-        while (token = this.ts.lookTok()) {
+        while ((token = this.ts.nextTok())) {
      
         
             
@@ -592,130 +589,127 @@ ScopeParser.prototype = {
            */ 
            
            //this.dumpToken(token,  this.scopes, this.braceNesting );
-           print('EXP' +  token.toString());
+            //print('EXPR' +  token.toString());
             
             
             //println("<i>"+token.data+"</i>");
             //this.log("EXP:" + token.data);
             switch (token.type) {
                 case 'PUNC':
-                    print("EXPR-PUNC:" + JSON.stringify(token, null, 4));
+                    //print("EXPR-PUNC:" + token.toString());
                     
                     switch(token.data) {
                          
                         case ';':
+                            //print("<< EXIT EXPRESSION");
+                            break;
+
                         case ',':
-                            if (this.braceNesting == expressionBraceNesting &&
-                                    bracketNesting == 0 &&
-                                    parensNesting == 0) {
-                                print("<< EXIT EXPRESSION");
-                                this.expN--;
-                                return;
-                            }
+                            
                             break;
 
                        
-
+                        case '(': //Token.LP:
                         case '{': //Token.LC:
-                            isObjectLitAr.push(false);
+                        case '[': //Token.LB:
+                            //print('SCOPE-CURLY/PAREN/BRACE:' + token.toString());
+                           // print('SCOPE-CURLY/PAREN/BRACE:' + JSON.stringify(token, null,4));
+                            //println("<i>"+token.data+"</i>");
+                            var curTS = this.ts;
+                            if (token.props) {
+                                
+                                for (var prop in token.props) {
+                                    if (!token.props[prop].val.length) {
+                                        print(JSON.stringify(token.props, null,4));
+                                    }
+                                    
+                                    if (token.props[prop].val[0].data == 'function') {
+                                        // parse a function..
+                                        this.ts = new TokenStream(token.props[prop].val);
+                                        this.ts.nextTok();
+                                        this.parseFunctionDeclaration(scope);
+                                        continue;
+                                    }
+                                    // key value..
+                                    
+                                    this.ts = new TokenStream(token.props[prop].val);
+                                    this.parseExpression(scope);
+                                    
+                                }
+                                this.ts = curTS;
+                                
+                                // it's an object literal..
+                                // the values could be replaced..
+                                break;
+                            }
                             
-                            this.braceNesting++;
+                            
+                            var _this = this;
+                            token.items.forEach(function(expr) {
+                                  _this.ts = new TokenStream(expr);
+                                  _this.parseExpression(scope)
+                            });
+                            this.ts = curTS;
+                        
+                        
+                    
                             ///print(">>>>> EXP PUSH(false)"+this.braceNesting);
                             break;
 
-                        case '}': //Token.RC:
-                            this.braceNesting--;
-                            isObjectLitAr.pop();
-                            //print(">>>>> EXP POP" + this.braceNesting);    
-                           // assert braceNesting >= expressionBraceNesting;
-                            break;
-
-                        case '[': //Token.LB:
+                       
                         
-                            var ts = this.ts;
-                            var _this = this;
-                            token.items.forEach(function(ns) {
-                                 print("EXPR-PUNC[:" + JSON.stringify(ns, null, 4));
-                                _this.ts = new TokenStream(ns);
-                                _this.ts.cursor--;
-                                _this.parseExpression();
-                            });
-                            this.ts = ts;
+                         
                             
-                            break;
-/*
+                        case ')': //Token.RP:
                         case ']': //Token.RB:
-                            bracketNesting--;
-                            break;
-*/
-                        case '(': //Token.LP:
+                        case '}': //Token.RB:
+                            //print("<< EXIT EXPRESSION");
+                            return;
+                           
+             
                             parensNesting++;
                             break;
 
-                        case ')': //Token.RP:
-                            parensNesting--;
-                            break;
+                        
+                            
                     }
                     break;
                     
                 case 'STRN': // used for object lit detection..
-                    print("EXPR-STR:" + JSON.stringify(token, null, 4));
-                    if (this.ts.lookTok(-1).data == "{" && this.ts.lookTok(1).data == ":" ) {
-                        // then we are in an object lit.. -> we need to flag the brace as such...
-                        isObjectLitAr.pop();
-                        isObjectLitAr.push(true);
-                        //print(">>>>> EXP PUSH(true)");
-                    }
-                    
-                    
+                    //if (this.mode == 'BUILDING_SYMBOL_TREE')    
+                        //print("EXPR-STR:" + JSON.stringify(token, null, 4));
+               
                      
-                    isInObjectLitAr = isObjectLitAr[isObjectLitAr.length-1];
-                    if (isInObjectLitAr &&  this.ts.lookTok(1).data == ":"  &&
-                        ( this.ts.lookTok(-1).data == "{"  ||  this.ts.lookTok(-1).data == "," )) {
-                        // see if we can replace..
-                        // remove the quotes..
-                        var str = token.data.substring(1,token.data.length-1);
-                        if (/^[a-z_]+$/i.test(str) && ScopeParser.idents.indexOf(str) < 0) {
-                            token.outData = str;
-                        }
-                        
-                         
-                        
-                    }
-                    
                     break;
                 
                       
              
                 case 'NAME':
-                    print("EXPR-NAME:" + JSON.stringify(token, null, 4));
+                    if (this.mode == 'BUILDING_SYMBOL_TREE') {
+                        
+                        //print("EXPR-NAME:" + JSON.stringify(token, null, 4));
+                    } else {
+                        //print("EXPR-NAME:" + token.toString());
+                    }
                     symbol = token.data;
                     //print("in NAME = " + token.toString());
                     //print("in NAME 0: " + this.ts.look(0).toString());
                     //print("in NAME 2: " + this.ts.lookTok(2).toString());
-                    if (this.ts.look(0).data == "{"  && this.ts.lookTok(2).data == ":") {
-                        // then we are in an object lit.. -> we need to flag the brace as such...
-                        isObjectLitAr.pop();
-                        isObjectLitAr.push(true);
-                         //print(">>>>> EXP  PUSH(true)");
-                        break;
-                    }
-                    
-                    isInObjectLitAr = isObjectLitAr[isObjectLitAr.length-1];
-                    //print ("isInObjectLitAr : " + isInObjectLitAr + ' ' + token.toString());
                     
-                    if (isInObjectLitAr && this.ts.lookTok(0).data == "," && this.ts.lookTok(2).data == ":") {
-                        break;
-                    }
-                    //print(this.ts.lookTok(0).data);
-                    if (this.ts.lookTok(0).data == ".") {
+                    //print(this.ts.lookTok(-1).data);
+                    // prefixed with '.'
+                    if (this.ts.lookTok(-1).data == ".") {
                         //skip '.'
                         break;
                     }
+                    if (symbol == 'this') {
+                        break;
+                       }
                     
-                     if (this.mode == 'PASS2_SYMBOL_TREE') {
+                    if (this.mode == 'PASS2_SYMBOL_TREE') {
 
-                        identifier = this.getIdentifier(symbol, currentScope);
+                        identifier = this.getIdentifier(symbol, scope, token);
                         //println("<B>??</B>");
                         if (identifier == false) {
 
@@ -726,8 +720,10 @@ ScopeParser.prototype = {
                                 // any conflict with other munged symbols.
                                 this.globalScope.declareIdentifier(symbol, token);
                                 this.warn("Found an undeclared symbol: " + symbol + ' (line:' + token.line + ')', true);
+                                //print("Found an undeclared symbol: " + symbol + ' (line:' + token.line + ')');
+                                //throw "OOPS";
                             } else {
-                                //println("undeclared")
+                                //print("undeclared:" + token.toString())
                             }
                             
                             
@@ -745,24 +741,32 @@ ScopeParser.prototype = {
                     
                     //println("<B>EID</B>");
                 case 'KEYW':   
-                    print("EXPR-KEYW:" + JSON.stringify(token, null, 4));
+                    //if (this.mode == 'BUILDING_SYMBOL_TREE') 
+                    //    print("EXPR-KEYW:" + JSON.stringify(token, null, 4));
+                    
+                    //print('EXPR-KEYW:' + token.toString());
                     if (token.name == "FUNCTION") {
                         
-                        this.parseFunctionDeclaration();
+                        this.parseFunctionDeclaration(scope);
                         break;
                     }
                
-                    
-             
+                     
                     symbol = token.data;
                     if (this.mode == 'BUILDING_SYMBOL_TREE') {
-
-                        if (symbol == "eval") {
-                            if (this.ts.look(-1).type == 'COMM') {
+                        
+                        if (token.name == "EVAL") {
+                            //print(JSON.stringify(token,null,4));
+                            if (token.prefix && token.prefix.match(/eval:var:/g)) {
                                 // look for eval:var:noreplace\n
+                               // print("GOT MATCH?");
                                 var _t = this;
-                                this.ts.look(-1).data.replace(/eval:var:([a-z]+)/ig, function(m, a) {
-                                    var hi = _t.getIdentifier(a, currentScope);
+                                token.prefix.replace(/eval:var:([a-z]+)/ig, function(m, a) {
+                                    
+                                    //print("PROTECT: " + a);
+                                    
+                                    
+                                    var hi = _t.getIdentifier(a, scope, token);
                                    //println("PROTECT "+a+" from munge" + (hi ? "FOUND" : "MISSING"));
                                     if (hi) {
                                       //  println("PROTECT "+a+" from munge");
@@ -773,7 +777,7 @@ ScopeParser.prototype = {
                                 });
                                 
                             } else {
-                                this.protectScopeFromObfuscation(currentScope);
+                                this.protectScopeFromObfuscation(scope);
                                 this.warn("Using 'eval' is not recommended." + (this.munge ? " Moreover, using 'eval' reduces the level of compression!" : ""), true);
                             }
                             
@@ -781,96 +785,109 @@ ScopeParser.prototype = {
                         }
                         break;
                     } 
-                default: 
-                    print("EXPR-SKIP:" + JSON.stringify(token, null, 4));
+                default:
+                    //if (this.mode == 'BUILDING_SYMBOL_TREE') 
+                    //    print("EXPR-SKIP:" + JSON.stringify(token, null, 4));
                     break;
             }
-            if (!this.ts.nextTok()) break;
+            
         }
-        print("<< EXIT EXPRESSION");
+        //print("<< EXIT EXPRESSION");
         this.expN--;
     },
 
 
-    parseCatch : function() {
+    parseCatch : function(scope) {
 
         var symbol;
         var token;
-        var currentScope;
+         
         var identifier;
-
+        
         //token = getToken(-1);
         //assert token.getType() == Token.CATCH;
-        token = this.ts.nextTok();
+        token = this.ts.nextTok(1);
+        token = this.ts.nextTok(1);
+        
+        
+        //print(JSON.stringify(this.ts,null,4));
         //assert token.getType() == Token.LP; (
-        token = this.ts.nextTok();
+        //token = this.ts.nextTok();
         //assert token.getType() == Token.NAME;
         
-        symbol = token.data;
-        currentScope = this.scopes[this.scopes.length-1];
+        symbol = token.items[0][0].data;
+        
 
         if (this.mode == 'BUILDING_SYMBOL_TREE') {
             // We must declare the exception identifier in the containing function
             // scope to avoid errors related to the obfuscation process. No need to
             // display a warning if the symbol was already declared here...
-            currentScope.declareIdentifier(symbol, token);
+            scope.declareIdentifier(symbol, token.items[0][0]);
         } else {
             //?? why inc the refcount?? - that should be set when building the tree???
-            identifier = this.getIdentifier(symbol, currentScope);
+            identifier = this.getIdentifier(symbol, scope, token.items[0][0]);
             identifier.refcount++;
         }
-
-        token = this.ts.nextTok();
+        
+        //token = this.ts.nextTok();
         //assert token.getType() == Token.RP; // )
     },
     
-    parseFunctionDeclaration : function() 
+    parseFunctionDeclaration : function(scope
     {
         //print("PARSE FUNCTION");
         var symbol;
         var token;
-        var currentScope  = false; 
+        
         var fnScope = false;
         var identifier;
         var b4braceNesting = this.braceNesting + 0;
         
         //this.logR("<B>PARSING FUNCTION</B>");
-        currentScope = this.scopes[this.scopes.length-1];
+        
 
         token = this.ts.nextTok();
         if (token.type == "NAME") {
             if (this.mode == 'BUILDING_SYMBOL_TREE') {
                 // Get the name of the function and declare it in the current scope.
                 symbol = token.data;
-                if (currentScope.getIdentifier(symbol) != false) {
+                if (scope.getIdentifier(symbol,token) != false) {
                     this.warn("The function " + symbol + " has already been declared in the same scope...", true);
                 }
-                currentScope.declareIdentifier(symbol,token);
+                scope.declareIdentifier(symbol,token);
             }
             token =  this.ts.nextTok();
         }
-
+        
+        
+        // return function() {.... 
+        while (token.data != "(") {
+            //print(token.toString());
+            token =  this.ts.nextTok();
+             
+        }
+        
+        
         //assert token.getType() == Token.LP;
         if (this.mode == 'BUILDING_SYMBOL_TREE') {
-            fnScope = new Scope(this.braceNesting, currentScope, token.n, '');
+            fnScope = new Scope(1, scope, token.n, '', token);
             
             //println("STORING SCOPE" + this.ts.cursor);
             
-            this.indexedScopes[this.ts.cursor] = fnScope;
+            this.indexedScopes[token.id] = fnScope;
             
         } else {
             //qln("FETCHING SCOPE" + this.ts.cursor);
-            fnScope = this.indexedScopes[this.ts.cursor];
-          
+            fnScope = this.indexedScopes[token.id];
         }
-        
-        print('FUNC-PARSE:' + JSON.stringify(token,null,4));
+        //if (this.mode == 'BUILDING_SYMBOL_TREE') 
+        //  print('FUNC-PARSE:' + JSON.stringify(token,null,4));
         // Parse function arguments.
         var args = token.items;
         for (var argpos =0; argpos < args.length; argpos++) {
              
             token = args[argpos][0];
-           // print ("FUNC ARGS: " + token.toString())
+            //print ("FUNC ARGS: " + token.toString())
             //assert token.getType() == Token.NAME ||
             //        token.getType() == Token.COMMA;
             if (token.type == 'NAME' && this.mode == 'BUILDING_SYMBOL_TREE') {
@@ -880,7 +897,7 @@ ScopeParser.prototype = {
                     // Exception for Prototype 1.6...
                     identifier.preventMunging();
                 }
-                argpos++;
+                //argpos++;
             }
         }
         
@@ -899,6 +916,7 @@ ScopeParser.prototype = {
             _this.ts = new TokenStream(tar);
             _this.parseScope(fnScope);
             
+            
         });
         
         //print(JSON.stringify(this.ts,null,4));
@@ -930,10 +948,10 @@ ScopeParser.prototype = {
         scope.preventMunging();
     },
     
-    getIdentifier: function(symbol, scope) {
+    getIdentifier: function(symbol, scope, token) {
         var identifier;
         while (scope != false) {
-            identifier = scope.getIdentifier(symbol);
+            identifier = scope.getIdentifier(symbol, token);
             //println("ScopeParser.getIdentgetUsedSymbols("+symbol+")=" + scope.getUsedSymbols().join(','));
             if (identifier) {
                 return identifier;
@@ -942,4 +960,4 @@ ScopeParser.prototype = {
         }
         return false;
     }
-};
\ No newline at end of file
+};