namespace JSDOC {
+ public enum ScopeParserMode {
+ BUILDING_SYMBOL_TREE,
+ PASS2_SYMBOL_TREE
+ }
+
+
public class ScopeParser : Object {
+
+ TokenStream ts;
+ Gee.ArrayList<string> warnings;
+
+ bool debug = false;
+ static Gee.ArrayList<string> idents;
+ static bool initialized = false;
+
+
+ Scope globalScope;
+ ScopeParserMode mode;
+ //braceNesting : 0,
+ Gee.HashMap<int,Scope> indexedScopes;
+ bool munge = true;
+
+ int expN = 0;
+ int braceNesting = 0;
+
+
+ static void init()
+ {
+ if (ScopeParser.initialized) {
+ return;
+ }
+ string[] identsar = {
- TokenStream ts;
- Gee.ArrayList<string> warnings;
+ "break",
+ "case",
+ "continue",
+ "default",
+ "delete",
+ "do",
+ "else",
+ "export",
+ "false",
+ "for",
+ "function",
+ "if",
+ "import",
+ "in",
+ "new",
+ "null",
+ "return",
+ "switch",
+ "this",
+ "true",
+ "typeof",
+ "var",
+ "void",
+ "while",
+ "with",
+
+ "catch",
+ "class",
+ "const",
+ "debugger",
+ "enum",
+ "extends",
+ "finally",
+ "super",
+ "throw",
+ "try",
+
+ "abstract",
+ "boolean",
+ "byte",
+ "char",
+ "double",
+ "final",
+ "float",
+ "goto",
+ "implements",
+ "instanceof",
+ "int",
+ "interface",
+ "long",
+ "native",
+ "package",
+ "private",
+ "protected",
+ "public",
+ "short",
+ "static",
+ "synchronized",
+ "throws",
+ "transient",
+ "include",
+ "undefined"
+ };
+ ScopeParser.idents = new Gee.ArrayList<string>();
+ for(var i = 0 ; i < identsar.length;i++) {
+ ScopeParser.idents.add(identsar[i]);
+ }
+ }
+
+
+ public ScopeParser(TokenStream ts) {
+ this.ts = ts; // {TokenStream}
+ this.warnings = new Gee.ArrayList<string>();
+
+ this.globalScope = new Scope(-1, null, -1, null);
+ this.indexedScopes = new Gee.HashMap<int,Scope>();
- bool debug = false;
- string[] idents;
+ //this.indexedg = {};
+ //this.timer = new Date() * 1;
+ }
+
+
- Scope global ;
- //mode : "", //"BUILDING_SYMBOL_TREE",
- //braceNesting : 0,
- Gee.HashMap<int,Scope> indexedScopes;
- //munge: true,
+ void warn(string s)
+ {
+ //print('****************' + s);
+ this.warnings.add(s);
+ //println("WARNING:" + htmlescape(s) + "<BR>");
+ }
+
+
+ // defaults should not be initialized here =- otherwise they get duped on new, rather than initalized..
+
+
+
+
+
+
+ public void buildSymbolTree()
+ {
+ //println("<PRE>");
+
+ this.ts.rewind();
+ this.braceNesting = 0;
+
+ // print(JSON.stringify(this.ts.tokens, null,4));
+
+
+ this.globalScope =new Scope(-1, null, -1, null);
+ this.indexedScopes = new Gee.HashMap<int,Scope>();
+ this.indexedScopes.set(0, this.globalScope );
+
+ this.mode = ScopeParserMode.BUILDING_SYMBOL_TREE;
+
+ this.parseScope(this.globalScope);
+
+ //print("---------------END PASS 1 ---------------- ");
+
+ }
+
+ public void mungeSymboltree()
+ {
+
+ if (!this.munge) {
+ return;
+ }
+
+ // One problem with obfuscation resides in the use of undeclared
+ // and un-namespaced global symbols that are 3 characters or less
+ // in length. Here is an example:
+ //
+ // var declaredGlobalVar;
+ //
+ // function declaredGlobalFn() {
+ // var localvar;
+ // localvar = abc; // abc is an undeclared global symbol
+ // }
+ //
+ // In the example above, there is a slim chance that localvar may be
+ // munged to 'abc', conflicting with the undeclared global symbol
+ // abc, creating a potential bug. The following code detects such
+ // global symbols. This must be done AFTER the entire file has been
+ // parsed, and BEFORE munging the symbol tree. Note that declaring
+ // extra symbols in the global scope won't hurt.
+ //
+ // Note: Since we go through all the tokens to do this, we also use
+ // the opportunity to count how many times each identifier is used.
+
+ this.ts.rewind();
+ this.braceNesting = 0;
+ this.mode = ScopeParserMode.PASS2_SYMBOL_TREE;
+
+ //println("MUNGING?");
+
+ this.parseScope(this.globalScope);
+
+ //this.globalScope.dump();
+
+
+ this.globalScope.munge();
+ }
+
+
+ void log(string str)
+ {
+ print(str);
+ //print (" ".substring(0, this.braceNesting*2) + str);
+
+ //println("<B>LOG:</B>" + htmlescape(str) + "<BR/>\n");
+ }
+ void logR (string str)
+ {
+ //println("<B>LOG:</B>" + str + "<BR/>");
+ }
+
+
+
+
+
+ void parseScope(Scope scope) // parse a token stream..
+ {
+ //this.timerPrint("parseScope EnterScope");
+ //this.log(">>> ENTER SCOPE" + this.scopes.length);
+
+ var expressionBraceNesting = this.braceNesting + 0;
+
+ var parensNesting = 0;
+
+ var isObjectLitAr = new Gee.ArrayList<bool>();
+ isObjectLitAr.add(false);
+
+
+
+ //var scopeIndent = '';
+ //this.scopes.forEach(function() {
+ // scopeIndent += ' ';
+ //});
+ //print(">> ENTER SCOPE");
+
+
+
+
+ var token = this.ts.lookTok(1);
+ while (token != null) {
+ // this.timerPrint("parseScope AFTER lookT: " + token.toString());
+ //this.dumpToken(token , this.scopes, this.braceNesting);
+ //print('SCOPE:' + token.toString());
+ //this.log(token.data);
+ //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());
+ 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-VAL:' + JSON.stringify(token, null, 4));
+ if (token == null) { // can return false at EOF!
+ break;
+ }
+ if (token.name == "VAR" || token.data == ",") { // kludge..
+ continue;
+ }
+ //this.logR("parseScope GOT VAR : <B>" + token.toString() + "</B>");
+ if (token.type != "NAME") {
+ this.ts.printRange( int.max(this.ts.cursor-10,0), this.ts.cursor);
+
+ print( "var without ident");
+ GLib.Process.exit (0);
+ }
+
+
+ if (this.mode == ScopeParserMode.BUILDING_SYMBOL_TREE) {
+ var identifier = scope.getIdentifier(token.data,token) ;
+
+ if (identifier == null) {
+ scope.declareIdentifier(token.data, token);
+ } else {
+ token.identifier = identifier;
+ this.warn("(SCOPE) The variable " + token.data +
+ " (line:" + token.line.to_string() + ") has already been declared in the same scope...");
+ }
+ }
+
+ token = this.ts.nextTok();
+ //!this.debug|| print(token.toString());
+ /*
+ assert token.getType() == Token.SEMI ||
+ token.getType() == Token.ASSIGN ||
+ token.getType() == Token.COMMA ||
+ token.getType() == Token.IN;
+ */
+ if (token.name == "IN") {
+ break;
+ } else {
+ //var bn = this.braceNesting;
+ var bn = this.braceNesting;
+ var nts = new Gee.ArrayList<Token>();
+ while (true) {
+ if (token == null || token.type == "VOID" || token.data == ",") {
+ break;
+ }
+ nts.add(token);
+ token = this.ts.nextTok();
+ }
+ if (nts.size > 0) {
+ 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());
+ if (token.data == ";") {
+ break;
+ }
+ }
+ }
+
+ //print("VAR:")
+ //this.ts.dump(vstart , this.ts.cursor);
+
+ break;
+
+
+ case "KEYW.FUNCTION":
+ //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(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.size > 0) {
+
+ // { a : ... , c : .... }
+ var iter = token.props.map_iterator();
+
+ while(iter.next()) {
+
+ TokenKeyMap val = iter.get_value(); // TokenKeyMap
+
+
+ // print('SCOPE-PROPS:' + JSON.stringify(token.props[prop],null,4));
+ if (val.vals.get(0).data == "function") {
+ // parse a function..
+ this.ts = new TokenStream(val.vals);
+ this.ts.nextTok();
+ this.parseFunctionDeclaration(scope);
+
+ continue;
+ }
+ // key value..
+
+ this.ts = new TokenStream(val.vals);
+ this.parseExpression(scope);
+
+ }
+ this.ts = curTS;
+
+ // it's an object literal..
+ // the values could be replaced..
+ break;
+ }
+
+ // ( ... ) or { .... } not object literals..
+
+
+ for (var xx =0; xx < token.items.size; xx++) {
+ var expr = token.items.get(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": // }
+ //print("<< EXIT SCOPE");
+ return;
+
+ case "KEYW.WITH":
+ //print('SCOPE-WITH:' + token.toString());
+ //println("<i>"+token.data+"</i>");
+ if (this.mode == ScopeParserMode.BUILDING_SYMBOL_TREE) {
+ // Inside a 'with' block, it is impossible to figure out
+ // statically whether a symbol is a local variable or an
+ // object member. As a consequence, the only thing we can
+ // do is turn the obfuscation off for the highest scope
+ // containing the 'with' block.
+ this.protectScopeFromObfuscation(scope);
+ this.warn("Using 'with' is not recommended." +
+ (this.munge ? " Moreover, using 'with' reduces the level of compression!" : ""));
+ }
+ break;
+
+ case "KEYW.CATCH":
+ //print('SCOPE-CATCH:' + token.toString());
+ //println("<i>"+token.data+"</i>");
+ this.parseCatch(scope);
+ break;
+
+ case "STRN.DOUBLE_QUOTE": // used for object lit detection..
+ case "STRN.SINGLE_QUOTE":
+ // print('SCOPE-STRING:' + token.toString());
+ //println("<i>"+token.data+"</i>");
+
+ 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.remove_at(isObjectLitAr.size-1);
+ isObjectLitAr.add(true);
+ //print(">>>>>> OBJLIT REPUSH(true)");
+ }
+ var isInObjectLitAr = isObjectLitAr.get(isObjectLitAr.size-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..
+ // should do a bit more checking!!!! (what about wierd char's in the string..
+ var str = token.data.substring(1,token.data.length-1);
+
+ if (Regex.match_simple ("^[a-z_]+$", str,GLib.RegexCompileFlags.CASELESS) && ScopeParser.idents.index_of(str) < 0) {
+ token.outData = str;
+ }
+
+
+
+ }
+
+ break;
+
+ case "NAME.NAME":
+ //print('SCOPE-NAME:' + token.toString());
+ //print("DEAL WITH NAME:");
+ // got identifier..
+ // look for { ** : <- indicates obj literal.. ** this could occur with numbers ..
+ // skip anyting with "." before it..!!
+
+ if (this.ts.lookTok(-1).data == ".") {
+ // skip, it's an object prop.
+ //println("<i>"+token.data+"</i>");
+ break;
+ }
+ //print("SYMBOL: " + token.toString());
+
+ var symbol = token.data;
+ if (symbol == "this") {
+ break;
+ }
+
+ if (this.mode == ScopeParserMode.PASS2_SYMBOL_TREE) {
+
+ //println("GOT IDENT: -2 : " + this.ts.lookT(-2).toString() + " <BR> ..... -1 : " + this.ts.lookT(-1).toString() + " <BR> ");
+
+ //print ("MUNGE?" + symbol);
+
+ //println("GOT IDENT: <B>" + symbol + "</B><BR/>");
+
+ //println("GOT IDENT (2): <B>" + symbol + "</B><BR/>");
+ var identifier = this.getIdentifier(symbol, scope, token);
+
+ if (identifier == null) {
+ // BUG!find out where builtin is defined...
+ if (symbol.length <= 3 && Scope.builtin.index_of(symbol) < 0) {
+ // Here, we found an undeclared and un-namespaced symbol that is
+ // 3 characters or less in length. Declare it in the global scope.
+ // We don't need to declare longer symbols since they won't cause
+ // any conflict with other munged symbols.
+ this.globalScope.declareIdentifier(symbol, token);
+ this.warn("Found an undeclared symbol: " + symbol + " (line:" + token.line.to_string() + ")");
+ }
+
+ //println("GOT IDENT IGNORE(3): <B>" + symbol + "</B><BR/>");
+ } else {
+ token.identifier = identifier;
+ identifier.refcount++;
+ }
+ }
+
+ break;
+ //println("<B>SID</B>");
+ default:
+ if (token.type != "KEYW") {
+ break;
+ }
+ //print('SCOPE-KEYW:' + token.toString());
+ // print("Check eval:");
+
+ var symbol = token.data;
+
+ if (this.mode == ScopeParserMode.BUILDING_SYMBOL_TREE) {
+
+ 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 (token.prefix.length > 0 && Regex.match_simple ("eval",token.prefix)) {
+ // look for eval:var:noreplace\n
+ //print("MATCH!?");
+ var _t = this;
+
+ var regex = new GLib.Regex ("eval:var:([a-z_]+)",GLib.RegexCompileFlags.CASELESS );
+
+ regex.replace_eval (token.prefix, token.prefix.length, 0, 0, (match_info, result) => {
+ var a = match_info.fetch(0);
+ var hi = this.getIdentifier(a, scope, token);
+ // println("PROTECT "+a+" from munge" + (hi ? "FOUND" : "MISSING"));
+ if (hi != null) {
+ // print("PROTECT "+a+" from munge");
+ //print(JSON.stringify(hi,null,4));
+ hi.toMunge = false;
+ }
+ return false;
+
+ });
+
+
+ } else {
+
+
+ this.protectScopeFromObfuscation(scope);
+ this.warn("Using 'eval' is not recommended. (use eval:var:noreplace in comments to optimize) " +
+ (this.munge ? " Moreover, using 'eval' reduces the level of compression!" : ""));
+ }
+
+ }
+
+ }
+ break;
+
+
+ } // end switch
+
+
+ //print("parseScope TOK : " + token.toString());
+ token = this.ts.nextTok();
+ //if (this.ts.nextT()) break;
+
+ }
+ //print("<<< EXIT SCOPE");
+ //print("<<<<<<<EXIT SCOPE ERR?" +this.scopes.length);
+ }
+
+ void parseExpression(Scope scope)
+ {
+
+ // Parse the expression until we encounter a comma or a semi-colon
+ // in the same brace nesting, bracket nesting and paren nesting.
+ // Parse functions if any...
+ //println("<i>EXP</i><BR/>");
+ //!this.debug || print("PARSE EXPR");
+ this.expN++;
+
+ // for printing stuff..
+
+
+
+
+ var expressionBraceNesting = this.braceNesting + 0;
+ var bracketNesting = 0;
+ var parensNesting = 0;
+
+ var isObjectLitAr = new Gee.ArrayList<bool>();
+ isObjectLitAr.add( false);
+
+
+ Token token;
+
+ //print(scopeIndent + ">> ENTER EXPRESSION" + this.expN);
+ while (null != (token = this.ts.nextTok())) {
+
+
+
+ /*
+ // moved out of loop?
+ currentScope = this.scopes[this.scopes.length-1];
+
+ var scopeIndent = '';
+ this.scopes.forEach(function() {
+ scopeIndent += ' ';
+ });
+ */
+
+ //this.dumpToken(token, this.scopes, this.braceNesting );
+ //print('EXPR' + token.toString());
+
+
+ //println("<i>"+token.data+"</i>");
+ //this.log("EXP:" + token.data);
+ switch (token.type) {
+ case "PUNC":
+ //print("EXPR-PUNC:" + token.toString());
+
+ switch(token.data) {
+
+ case ";":
+ //print("<< EXIT EXPRESSION");
+ break;
+
+ case ",":
+
+ break;
+
+
+ case "(": //Token.LP:
+ case "{": //Token.LC:
+ 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.size > 0) {
+
+ var iter = token.props.map_iterator();
+
+ while(iter.next()) {
+
+ TokenKeyMap val = iter.get_value(); // TokenKeyMap
+
+
+
+ //if (val.vals.size < 1) {
+ //print(JSON.stringify(token.props, null,4));
+ //}
+
+ if (val.vals.get(0).data == "function") {
+ // parse a function..
+ this.ts = new TokenStream(val.vals);
+ this.ts.nextTok();
+ this.parseFunctionDeclaration(scope);
+ continue;
+ }
+ // key value..
+
+ this.ts = new TokenStream(val.vals);
+ this.parseExpression(scope);
+
+ }
+ this.ts = curTS;
+
+ // it's an object literal..
+ // the values could be replaced..
+ break;
+ }
+
+
+
+ foreach(var expr in token.items) {
+
+ this.ts = new TokenStream(expr);
+ this.parseExpression(scope);
+ }
+ this.ts = curTS;
+
+
+
+ ///print(">>>>> EXP PUSH(false)"+this.braceNesting);
+ break;
+
+
+
+
+
+ case ")": //Token.RP:
+ case "]": //Token.RB:
+ case "}": //Token.RB:
+ //print("<< EXIT EXPRESSION");
+ return;
+
+
+
+ parensNesting++;
+ break;
+
+
+
+ }
+ break;
+
+ case "STRN": // used for object lit detection..
+ //if (this.mode == 'BUILDING_SYMBOL_TREE')
+ //print("EXPR-STR:" + JSON.stringify(token, null, 4));
+
+
+ break;
+
+
+
+ case "NAME":
+ if (this.mode == ScopeParserMode.BUILDING_SYMBOL_TREE) {
+
+ //print("EXPR-NAME:" + JSON.stringify(token, null, 4));
+ } else {
+ //print("EXPR-NAME:" + token.toString());
+ }
+ var 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());
+
+ //print(this.ts.lookTok(-1).data);
+ // prefixed with '.'
+ if (this.ts.lookTok(-1).data == ".") {
+ //skip '.'
+ break;
+ }
+ if (symbol == "this") {
+ break;
+ }
+
+ if (this.mode == ScopeParserMode.PASS2_SYMBOL_TREE) {
+
+ var identifier = this.getIdentifier(symbol, scope, token);
+ //println("<B>??</B>");
+ if (identifier == null) {
+
+ if (symbol.length <= 3 && Scope.builtin.index_of(symbol) < 0) {
+ // Here, we found an undeclared and un-namespaced symbol that is
+ // 3 characters or less in length. Declare it in the global scope.
+ // We don't need to declare longer symbols since they won't cause
+ // any conflict with other munged symbols.
+ this.globalScope.declareIdentifier(symbol, token);
+ this.warn("Found an undeclared symbol: " + symbol + " (line:" + token.line.to_string() + ")");
+ //print("Found an undeclared symbol: " + symbol + ' (line:' + token.line + ')');
+ //throw "OOPS";
+ } else {
+ //print("undeclared:" + token.toString())
+ }
+
+
+ } else {
+ //println("<B>++</B>");
+ token.identifier = identifier;
+ identifier.refcount++;
+ }
+
+ }
+ break;
+
+
+
+
+ //println("<B>EID</B>");
+ case "KEYW":
+ //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(scope);
+ break;
+ }
+
+
+ var symbol = token.data;
+ if (this.mode == ScopeParserMode.BUILDING_SYMBOL_TREE) {
+
+ if (token.name == "EVAL") {
+
+
+ //print(JSON.stringify(token,null,4));
+
+ if (token.prefix.length > 0 && Regex.match_simple ("eval:var:", token.prefix,GLib.RegexCompileFlags.CASELESS)) {
+ // look for eval:var:noreplace\n
+ // print("GOT MATCH?");
+
+
+ var regex = new GLib.Regex ("eval:var:([a-z_]+)",GLib.RegexCompileFlags.CASELESS );
+
+ regex.replace_eval (token.prefix, token.prefix.length, 0, 0, (match_info, result) => {
+ var a = match_info.fetch(0);
+ //print("PROTECT: " + a);
+
+
+ var hi = this.getIdentifier(a, scope, token);
+ //println("PROTECT "+a+" from munge" + (hi ? "FOUND" : "MISSING"));
+ if (hi != null) {
+ // println("PROTECT "+a+" from munge");
+ hi.toMunge = false;
+ }
+ return false;
+
+ });
+
+ } else {
+ this.protectScopeFromObfuscation(scope);
+ this.warn("Using 'eval' is not recommended." +
+ (this.munge ? " Moreover, using 'eval' reduces the level of compression!" : ""));
+ }
+
+
+ }
+
+ }
+ break;
+ default:
+ //if (this.mode == 'BUILDING_SYMBOL_TREE')
+ // print("EXPR-SKIP:" + JSON.stringify(token, null, 4));
+ break;
+ }
+
+ }
+ //print("<< EXIT EXPRESSION");
+ this.expN--;
+ }
+
+
+ void parseCatch(Scope scope) {
+
+
+ //token = getToken(-1);
+ //assert token.getType() == Token.CATCH;
+ var token = this.ts.nextTok();
+ token = this.ts.nextTok();
+
+
+ //print(JSON.stringify(this.ts,null,4));
+ //assert token.getType() == Token.LP; (
+ //token = this.ts.nextTok();
+ //assert token.getType() == Token.NAME;
+
+ var symbol = token.items[0][0].data;
+
+
+ if (this.mode == ScopeParserMode.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...
+ scope.declareIdentifier(symbol, token.items[0][0]);
+ } else {
+ //?? why inc the refcount?? - that should be set when building the tree???
+ var identifier = this.getIdentifier(symbol, scope, token.items[0][0]);
+ identifier.refcount++;
+ }
+
+ //token = this.ts.nextTok();
+ //assert token.getType() == Token.RP; // )
+ }
- public ScopeParser(TokenStream ts) {
- this.ts = ts; // {TokenStream}
- this.warnings = new Gee.ArrayList<string>();
- this.globalScope = new Scope(-1, false, -1, '');
- this.indexedScopes = new Gee.HashMap<int,Scope>();
-
- //this.indexedg = {};
- //this.timer = new Date() * 1;
- this.idents = {
+ void parseFunctionDeclaration (Scope scope)
+ {
+ //print("PARSE FUNCTION");
+
+
+ var b4braceNesting = this.braceNesting + 0;
+
+ //this.logR("<B>PARSING FUNCTION</B>");
+
+
+ var token = this.ts.nextTok();
+ if (token.type == "NAME") {
+ if (this.mode == ScopeParserMode.BUILDING_SYMBOL_TREE) {
+ // Get the name of the function and declare it in the current scope.
+ var symbol = token.data;
+ if (scope.getIdentifier(symbol,token) != null) {
+ this.warn("The function " + symbol + " has already been declared in the same scope...");
+ }
+ scope.declareIdentifier(symbol,token);
+ }
+ token = this.ts.nextTok();
+ }
+
+
+ // return function() {....
+ while (token.data != "(") {
+ //print(token.toString());
+ token = this.ts.nextTok();
+
+ }
+
+ Scope fnScope;
+ //assert token.getType() == Token.LP;
+ if (this.mode == ScopeParserMode.BUILDING_SYMBOL_TREE) {
+ fnScope = new Scope(1, scope, token.id, token);
+
+ //println("STORING SCOPE" + this.ts.cursor);
+
+ this.indexedScopes.set(token.id,fnScope);
+
+ } else {
+ //qln("FETCHING SCOPE" + this.ts.cursor);
+ fnScope = this.indexedScopes[token.id];
+ }
+ //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.size; argpos++) {
+
+ token = args.get(argpos).get(0);
+ //print ("FUNC ARGS: " + token.toString())
+ //assert token.getType() == Token.NAME ||
+ // token.getType() == Token.COMMA;
+ if (token.type == "NAME" && this.mode == ScopeParserMode.BUILDING_SYMBOL_TREE) {
+ var symbol = token.data;
+ var identifier = fnScope.declareIdentifier(symbol,token);
+ if (symbol == "$super" && argpos == 0) {
+ // Exception for Prototype 1.6...
+ identifier.toMunge = false;
+ }
+ //argpos++;
+ }
+ }
+
+ token = this.ts.nextTok();
+ if (token == null) {
+ return;
+ }
+ //print('FUNC-BODY:' + JSON.stringify(token.items,null,4));
+ //Seed.quit();
+ //print(token.toString());
+ // assert token.getType() == Token.LC;
+ //this.braceNesting++;
+
+ //token = this.ts.nextTok();
+ //print(token.toString());
+ var outTS = this.ts;
+ foreach(var tar in token.items) {
+ this.ts = new TokenStream(tar);
+ this.parseScope(fnScope);
+
+ }
+
+ //print(JSON.stringify(this.ts,null,4));
+ //this.parseScope(fnScope);
+ this.ts = outTS;
+ // now pop it off the stack!!!
+
+ //this.braceNesting = b4braceNesting;
+ //print("ENDFN -1: " + this.ts.lookTok(-1).toString());
+ //print("ENDFN 0: " + this.ts.lookTok(0).toString());
+ //print("ENDFN 1: " + this.ts.lookTok(1).toString());
+ }
+
+ void protectScopeFromObfuscation (Scope scope) {
+ //assert scope != null;
+
+ if (scope == this.globalScope) {
+ // The global scope does not get obfuscated,
+ // so we don't need to worry about it...
+ return;
+ }
+
+ // Find the highest local scope containing the specified scope.
+ while (scope != null && scope.parent != this.globalScope) {
+ scope = scope.parent;
+ }
+
+ //assert scope.getParentScope() == globalScope;
+ scope.preventMunging();
+ }
+
+ Identifier? getIdentifier(string symbol, Scope in_scope, Token token)
+ {
+ Identifier identifier;
+ var scope = in_scope;
+ while (scope != null) {
+ identifier = scope.getIdentifier(symbol, token);
+ //println("ScopeParser.getIdentgetUsedSymbols("+symbol+")=" + scope.getUsedSymbols().join(','));
+ if (identifier != null) {
+ return identifier;
+ }
+ scope = scope.parent;
+ }
+ return null;
+ }
+ public void printWarnings()
+ {
+ foreach(var w in this.warnings) {
+ print("%s\n",w);
+ }
+ }
- "break",
- "case",
- "continue",
- "default",
- "delete",
- "do",
- "else",
- "export",
- "false",
- "for",
- "function",
- "if",
- "import",
- "in",
- "new",
- "null",
- "return",
- "switch",
- "this",
- "true",
- "typeof",
- "var",
- "void",
- "while",
- "with",
-
- "catch",
- "class",
- "const",
- "debugger",
- "enum",
- "extends",
- "finally",
- "super",
- "throw",
- "try",
-
- "abstract",
- "boolean",
- "byte",
- "char",
- "double",
- "final",
- "float",
- "goto",
- "implements",
- "instanceof",
- "int",
- "interface",
- "long",
- "native",
- "package",
- "private",
- "protected",
- "public",
- "short",
- "static",
- "synchronized",
- "throws",
- "transient",
- "include",
- "undefined"
- };
}
+}
-
-
-
- void warn(string s)
- {
- //print('****************' + s);
- this.warnings.add(s);
- //println("WARNING:" + htmlescape(s) + "<BR>");
- }
-
-
- // defaults should not be initialized here =- otherwise they get duped on new, rather than initalized..
-
-
-
-
-
-
- void buildSymbolTree()
- {
- //println("<PRE>");
-
- this.ts.rewind();
- this.braceNesting = 0;
-
- // print(JSON.stringify(this.ts.tokens, null,4));
-
-
- this.globalScope = new Scope(-1, false, -1, '');
- this.indexedScopes = { 0 : this.globalScope };
-
- this.mode = 'BUILDING_SYMBOL_TREE';
- this.parseScope(this.globalScope);
-
- //print("---------------END PASS 1 ---------------- ");
-
- },
- mungeSymboltree : function()
- {
-
- if (!this.munge) {
- return;
- }
-
- // One problem with obfuscation resides in the use of undeclared
- // and un-namespaced global symbols that are 3 characters or less
- // in length. Here is an example:
- //
- // var declaredGlobalVar;
- //
- // function declaredGlobalFn() {
- // var localvar;
- // localvar = abc; // abc is an undeclared global symbol
- // }
- //
- // In the example above, there is a slim chance that localvar may be
- // munged to 'abc', conflicting with the undeclared global symbol
- // abc, creating a potential bug. The following code detects such
- // global symbols. This must be done AFTER the entire file has been
- // parsed, and BEFORE munging the symbol tree. Note that declaring
- // extra symbols in the global scope won't hurt.
- //
- // Note: Since we go through all the tokens to do this, we also use
- // the opportunity to count how many times each identifier is used.
-
- this.ts.rewind();
- this.braceNesting = 0;
- this.mode = 'PASS2_SYMBOL_TREE';
-
- //println("MUNGING?");
-
- this.parseScope(this.globalScope);
-
- //this.globalScope.dump();
-
-
- this.globalScope.munge();
- },
-
-
- log : function(str)
- {
- print (" ".substring(0, this.braceNesting*2) + str);
-
- //println("<B>LOG:</B>" + htmlescape(str) + "<BR/>\n");
- },
- logR : function(str)
- {
- //println("<B>LOG:</B>" + str + "<BR/>");
- },
-
-
-
-
-
- parseScope : function(scope) // parse a token stream..
- {
- //this.timerPrint("parseScope EnterScope");
- //this.log(">>> ENTER SCOPE" + this.scopes.length);
- var symbol;
- var token;
-
- var identifier;
-
- var expressionBraceNesting = this.braceNesting + 0;
-
- var parensNesting = 0;
-
- var isObjectLitAr = [ false ];
- var isInObjectLitAr;
-
-
- //var scopeIndent = '';
- //this.scopes.forEach(function() {
- // scopeIndent += ' ';
- //});
- //print(">> ENTER SCOPE");
-
-
-
-
- token = this.ts.lookTok(1);
- while (token) {
- // this.timerPrint("parseScope AFTER lookT: " + token.toString());
- //this.dumpToken(token , this.scopes, this.braceNesting);
- //print('SCOPE:' + token.toString());
- //this.log(token.data);
- //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());
- 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-VAL:' + JSON.stringify(token, null, 4));
- if (!token) { // can return false at EOF!
- break;
- }
- if (token.name == "VAR" || token.data == ',') { // kludge..
- continue;
- }
- //this.logR("parseScope GOT VAR : <B>" + token.toString() + "</B>");
- if (token.type != "NAME") {
- for(var i = Math.max(this.ts.cursor-10,0); i < this.ts.cursor+1; i++) {
- print(this.ts.tokens[i].toString());
- }
-
- print( "var without ident");
- Seed.quit()
- }
-
-
- if (this.mode == "BUILDING_SYMBOL_TREE") {
- identifier = scope.getIdentifier(token.data,token) ;
-
- if (identifier == false) {
- scope.declareIdentifier(token.data, token);
- } else {
- token.identifier = identifier;
- this.warn("(SCOPE) The variable " + token.data + ' (line:' + token.line + ") has already been declared in the same scope...");
- }
- }
-
- token = this.ts.nextTok();
- !this.debug|| print(token.toString());
- /*
- assert token.getType() == Token.SEMI ||
- token.getType() == Token.ASSIGN ||
- token.getType() == Token.COMMA ||
- token.getType() == Token.IN;
- */
- if (token.name == "IN") {
- break;
- } else {
- //var bn = this.braceNesting;
- var bn = this.braceNesting;
- 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());
- if (token.data == ';') {
- break;
- }
- }
- }
-
- //print("VAR:")
- //this.ts.dump(vstart , this.ts.cursor);
-
- break;
-
-
- case "KEYW.FUNCTION":
- //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(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) {
-
- // { a : ... , c : .... }
-
- for (var prop in token.props) {
-
-
- // print('SCOPE-PROPS:' + JSON.stringify(token.props[prop],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;
- }
-
- // ( ... ) 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": // }
- //print("<< EXIT SCOPE");
- return;
-
- case "KEYW.WITH":
- //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
- // statically whether a symbol is a local variable or an
- // object member. As a consequence, the only thing we can
- // do is turn the obfuscation off for the highest scope
- // containing the 'with' block.
- this.protectScopeFromObfuscation(scope);
- this.warn("Using 'with' is not recommended." + (this.munge ? " Moreover, using 'with' reduces the level of compression!" : ""), true);
- }
- break;
-
- case "KEYW.CATCH":
- //print('SCOPE-CATCH:' + token.toString());
- //println("<i>"+token.data+"</i>");
- this.parseCatch(scope);
- break;
-
- case "STRN.DOUBLE_QUOTE": // used for object lit detection..
- case "STRN.SINGLE_QUOTE":
- // print('SCOPE-STRING:' + token.toString());
- //println("<i>"+token.data+"</i>");
-
- 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(">>>>>> OBJLIT REPUSH(true)");
- }
- 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..
- // should do a bit more checking!!!! (what about wierd char's in the string..
- 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.NAME":
- //print('SCOPE-NAME:' + token.toString());
- //print("DEAL WITH NAME:");
- // got identifier..
- // look for { ** : <- indicates obj literal.. ** this could occur with numbers ..
- // skip anyting with "." before it..!!
-
- if (this.ts.lookTok(-1).data == ".") {
- // skip, it's an object prop.
- //println("<i>"+token.data+"</i>");
- break;
- }
- //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> ");
-
- //print ("MUNGE?" + symbol);
-
- //println("GOT IDENT: <B>" + symbol + "</B><BR/>");
-
- //println("GOT IDENT (2): <B>" + symbol + "</B><BR/>");
- identifier = this.getIdentifier(symbol, scope, token);
-
- if (identifier == false) {
-// BUG!find out where builtin is defined...
- if (symbol.length <= 3 && Scope.builtin.indexOf(symbol) < 0) {
- // Here, we found an undeclared and un-namespaced symbol that is
- // 3 characters or less in length. Declare it in the global scope.
- // We don't need to declare longer symbols since they won't cause
- // any conflict with other munged symbols.
- this.globalScope.declareIdentifier(symbol, token);
- this.warn("Found an undeclared symbol: " + symbol + ' (line:' + token.line + ')', true);
- }
-
- //println("GOT IDENT IGNORE(3): <B>" + symbol + "</B><BR/>");
- } else {
- token.identifier = identifier;
- identifier.refcount++;
- }
- }
-
- break;
- //println("<B>SID</B>");
- default:
- if (token.type != 'KEYW') {
- break;
- }
- //print('SCOPE-KEYW:' + token.toString());
- // print("Check eval:");
-
- symbol = token.data;
-
- if (this.mode == 'BUILDING_SYMBOL_TREE') {
-
- 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 (token.prefix && token.prefix.match(/eval/)) {
- // look for eval:var:noreplace\n
- //print("MATCH!?");
- var _t = this;
- 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) {
- // print("PROTECT "+a+" from munge");
- //print(JSON.stringify(hi,null,4));
- hi.toMunge = false;
- }
-
- });
-
-
- } else {
-
-
- this.protectScopeFromObfuscation(scope);
- this.warn("Using 'eval' is not recommended. (use eval:var:noreplace in comments to optimize) " + (this.munge ? " Moreover, using 'eval' reduces the level of compression!" : ""), true);
- }
-
- }
-
- }
- break;
-
-
- } // end switch
-
-
- //print("parseScope TOK : " + token.toString());
- token = this.ts.nextTok();
- //if (this.ts.nextT()) break;
-
- }
- //print("<<< EXIT SCOPE");
- //print("<<<<<<<EXIT SCOPE ERR?" +this.scopes.length);
- },
-
- expN : 0,
- 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.
- // Parse functions if any...
- //println("<i>EXP</i><BR/>");
- !this.debug || print("PARSE EXPR");
- this.expN++;
-
- // for printing stuff..
-
-
-
- var symbol;
- var token;
-
- var identifier;
-
- var expressionBraceNesting = this.braceNesting + 0;
- var bracketNesting = 0;
- var parensNesting = 0;
- var isInObjectLitAr;
- var isObjectLitAr = [ false ];
-
-
-
-
- //print(scopeIndent + ">> ENTER EXPRESSION" + this.expN);
- while ((token = this.ts.nextTok())) {
-
-
-
- /*
- // moved out of loop?
- currentScope = this.scopes[this.scopes.length-1];
-
- var scopeIndent = '';
- this.scopes.forEach(function() {
- scopeIndent += ' ';
- });
- */
-
- //this.dumpToken(token, this.scopes, this.braceNesting );
- //print('EXPR' + token.toString());
-
-
- //println("<i>"+token.data+"</i>");
- //this.log("EXP:" + token.data);
- switch (token.type) {
- case 'PUNC':
- //print("EXPR-PUNC:" + token.toString());
-
- switch(token.data) {
-
- case ';':
- //print("<< EXIT EXPRESSION");
- break;
-
- case ',':
-
- break;
-
-
- case '(': //Token.LP:
- case '{': //Token.LC:
- 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;
- }
-
-
- 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.RP:
- case ']': //Token.RB:
- case '}': //Token.RB:
- //print("<< EXIT EXPRESSION");
- return;
-
-
-
- parensNesting++;
- break;
-
-
-
- }
- break;
-
- case 'STRN': // used for object lit detection..
- //if (this.mode == 'BUILDING_SYMBOL_TREE')
- //print("EXPR-STR:" + JSON.stringify(token, null, 4));
-
-
- break;
-
-
-
- case 'NAME':
- 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());
-
- //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') {
-
- identifier = this.getIdentifier(symbol, scope, token);
- //println("<B>??</B>");
- if (identifier == false) {
-
- if (symbol.length <= 3 && Scope.builtin.indexOf(symbol) < 0) {
- // Here, we found an undeclared and un-namespaced symbol that is
- // 3 characters or less in length. Declare it in the global scope.
- // We don't need to declare longer symbols since they won't cause
- // 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 {
- //print("undeclared:" + token.toString())
- }
-
-
- } else {
- //println("<B>++</B>");
- token.identifier = identifier;
- identifier.refcount++;
- }
-
- }
- break;
-
-
-
-
- //println("<B>EID</B>");
- case 'KEYW':
- //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(scope);
- break;
- }
-
-
- symbol = token.data;
- if (this.mode == 'BUILDING_SYMBOL_TREE') {
-
- 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;
- 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");
- hi.toMunge = false;
- }
-
-
- });
-
- } else {
- this.protectScopeFromObfuscation(scope);
- this.warn("Using 'eval' is not recommended." + (this.munge ? " Moreover, using 'eval' reduces the level of compression!" : ""), true);
- }
-
-
- }
- break;
- }
- default:
- //if (this.mode == 'BUILDING_SYMBOL_TREE')
- // print("EXPR-SKIP:" + JSON.stringify(token, null, 4));
- break;
- }
-
- }
- //print("<< EXIT EXPRESSION");
- this.expN--;
- },
-
-
- parseCatch : function(scope) {
-
- var symbol;
- var token;
-
- var identifier;
-
- //token = getToken(-1);
- //assert token.getType() == Token.CATCH;
- 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();
- //assert token.getType() == Token.NAME;
-
- 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...
- scope.declareIdentifier(symbol, token.items[0][0]);
- } else {
- //?? why inc the refcount?? - that should be set when building the tree???
- identifier = this.getIdentifier(symbol, scope, token.items[0][0]);
- identifier.refcount++;
- }
-
- //token = this.ts.nextTok();
- //assert token.getType() == Token.RP; // )
- },
-
- parseFunctionDeclaration : function(scope)
- {
- //print("PARSE FUNCTION");
- var symbol;
- var token;
-
- var fnScope = false;
- var identifier;
- var b4braceNesting = this.braceNesting + 0;
-
- //this.logR("<B>PARSING FUNCTION</B>");
-
-
- 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 (scope.getIdentifier(symbol,token) != false) {
- this.warn("The function " + symbol + " has already been declared in the same scope...", true);
- }
- 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(1, scope, token.n, '', token);
-
- //println("STORING SCOPE" + this.ts.cursor);
-
- this.indexedScopes[token.id] = fnScope;
-
- } else {
- //qln("FETCHING SCOPE" + this.ts.cursor);
- fnScope = this.indexedScopes[token.id];
- }
- //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())
- //assert token.getType() == Token.NAME ||
- // token.getType() == Token.COMMA;
- if (token.type == 'NAME' && this.mode == 'BUILDING_SYMBOL_TREE') {
- symbol = token.data;
- identifier = fnScope.declareIdentifier(symbol,token);
- if (symbol == "$super" && argpos == 0) {
- // Exception for Prototype 1.6...
- identifier.preventMunging();
- }
- //argpos++;
- }
- }
-
- token = this.ts.nextTok();
- //print('FUNC-BODY:' + JSON.stringify(token.items,null,4));
- //Seed.quit();
- //print(token.toString());
- // assert token.getType() == Token.LC;
- //this.braceNesting++;
-
- //token = this.ts.nextTok();
- //print(token.toString());
- var outTS = this.ts;
- var _this = this;
- token.items.forEach(function(tar) {
- _this.ts = new TokenStream(tar);
- _this.parseScope(fnScope);
-
-
- });
-
- //print(JSON.stringify(this.ts,null,4));
- //this.parseScope(fnScope);
- this.ts = outTS;
- // now pop it off the stack!!!
-
- //this.braceNesting = b4braceNesting;
- //print("ENDFN -1: " + this.ts.lookTok(-1).toString());
- //print("ENDFN 0: " + this.ts.lookTok(0).toString());
- //print("ENDFN 1: " + this.ts.lookTok(1).toString());
- },
-
- protectScopeFromObfuscation : function(scope) {
- //assert scope != null;
-
- if (scope == this.globalScope) {
- // The global scope does not get obfuscated,
- // so we don't need to worry about it...
- return;
- }
-
- // Find the highest local scope containing the specified scope.
- while (scope && scope.parent != this.globalScope) {
- scope = scope.parent;
- }
-
- //assert scope.getParentScope() == globalScope;
- scope.preventMunging();
- },
-
- getIdentifier: function(symbol, scope, token) {
- var identifier;
- while (scope != false) {
- identifier = scope.getIdentifier(symbol, token);
- //println("ScopeParser.getIdentgetUsedSymbols("+symbol+")=" + scope.getUsedSymbols().join(','));
- if (identifier) {
- return identifier;
- }
- scope = scope.parent;
- }
- return false;
- }
-};
projects / gnome.introspection-doc-generator / blobdiff