//<Script type="text/javascript">
-Scope = imports['JSDOC/Scope.js'].Scope;
-
+Scope = imports.Scope.Scope;
+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..
+*
+*
+*
+*
+*
*/
ScopeParser = function(ts) {
},
warn: function(s) {
- print('****************' + s);
+ //print('****************' + s);
this.warnings.push(s);
//println("WARNING:" + htmlescape(s) + "<BR>");
},
this.mode = 'BUILDING_SYMBOL_TREE';
this.parseScope(this.globalScope);
- print("---------------END PASS 1 ---------------- ");
+ //print("---------------END PASS 1 ---------------- ");
},
mungeSymboltree : function()
log : function(str)
{
- //println("<B>LOG:</B>" + htmlescape(str) + "<BR/>\n");
+ 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");
- print(">>> ENTER SCOPE" + this.scopes.length);
+ //this.log(">>> ENTER SCOPE" + this.scopes.length);
var symbol;
var token;
var identifier;
- var expressionBraceNesting = this.braceNesting;
+ var expressionBraceNesting = this.braceNesting + 0;
var parensNesting = 0;
var isObjectLitAr = [ false ];
var isInObjectLitAr;
this.scopes.push(scope);
+
+ //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.debug|| print(token.type + '.' + token.name+ ":" + token.data);
+ //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());
-
+ //!this.debug|| print( token.toString());
+ print('SCOPE-VAR:' + token.toString());
if (!token) { // can return false at EOF!
break;
}
- if (token.name == "VAR") { // kludge..
+ if (token.name == "VAR" || token.data == ',') { // kludge..
continue;
}
//this.logR("parseScope GOT VAR : <B>" + token.toString() + "</B>");
- if (token.type !="NAME") {
- print(token.toString());
+ 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 (token.name == "IN") {
break;
} else {
+ //var bn = this.braceNesting;
+ var bn = this.braceNesting;
this.parseExpression();
+ 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);
}
}
}
+
+ //print("VAR:")
+ //this.ts.dump(vstart , this.ts.cursor);
+
break;
case "KEYW.FUNCTION":
+ print('SCOPE-FUNC:' + JSON.stringify(token,null,4));
//println("<i>"+token.data+"</i>");
+ var bn = this.braceNesting;
this.parseFunctionDeclaration();
+ this.braceNesting = bn;
break;
case "PUNC.LEFT_CURLY": // {
+ case "PUNC.LEFT_PAREN": // {
//println("<i>"+token.data+"</i>");
- isObjectLitAr.push(false);
- print(">>>>>> OBJLIT PUSH(false)");
- this.braceNesting++;
+ var curTS = this.ts;
+ if (token.props) {
+
+ for (var prop in token.props) {
+ if (token.props[prop].val.data == 'function') {
+ // parse a function..
+ this.parseFunctProp(token.props[prop]);
+ continue;
+ }
+ // key value..
+
+ this.ts = new TokenStream(token.props[prop].val);
+ this.parseScope(scope);
+
+ }
+ this.ts = curTS;
+
+ // it's an object literal..
+ // the values could be replaced..
+ break;
+ }
+
+ print('SCOPE-CURLY:' + JSON.stringify(token,null,4));
+ var _this = this;
+ token.items.forEach(function(expr) {
+ _this.ts = new TokenStream(expr);
+ _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;
+ /*
//println("<i>"+token.data+"</i>");
this.braceNesting--;
isObjectLitAr.pop();
- print(">>>>>> OBJLIT POP"+ this.braceNesting);
+ //print(">>>>>> OBJLIT POP"+ this.braceNesting);
//assert braceNesting >= scope.getBra ceNesting();
- if (this.braceNesting < 0) {
+ 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;
-
+*/
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
break;
case "KEYW.CATCH":
+ print('SCOPE-CATCH:' + token.toString());
//println("<i>"+token.data+"</i>");
this.parseCatch();
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 PUSH(true)");
+ //print(">>>>>> OBJLIT REPUSH(true)");
}
isInObjectLitAr = isObjectLitAr[isObjectLitAr.length-1];
break;
case "NAME.NAME":
-
+ print('SCOPE-NAME:' + token.toString());
//print("DEAL WITH NAME:");
// got identifier..
if ((this.ts.lookTok(-1).data == "{") && (this.ts.lookTok(1).data == ":")) {
isObjectLitAr.pop();
isObjectLitAr.push(true);
- print(">>>>>> OBJLIT PUSH(true)");
+ //print(">>>>>> OBJLIT REPUSH(true)");
//println("<i>"+token.data+"</i>");
break;
}
//println("<i>"+token.data+"</i>");
break;
}
+ //print("SYMBOL: " + token.toString());
+
symbol = token.data;
if (this.mode == 'PASS2_SYMBOL_TREE') {
if (token.type != 'KEYW') {
break;
}
+ print('SCOPE-KEYW:' + token.toString());
// print("Check eval:");
symbol = token.data;
} // end switch
- //this.timerPrint("parseScope TOK : " + token.toString());
+ //print("parseScope TOK : " + token.toString());
token = this.ts.nextTok();
//if (this.ts.nextT()) break;
}
- print("<<<<<<<EXIT SCOPE ERR?" +this.scopes.length);
+ print("<<< EXIT SCOPE");
+ //print("<<<<<<<EXIT SCOPE ERR?" +this.scopes.length);
},
-
+ expN : 0,
parseExpression : function() {
// Parse the expression until we encounter a comma or a semi-colon
// Parse functions if any...
//println("<i>EXP</i><BR/>");
!this.debug || print("PARSE EXPR");
+ this.expN++;
+
+ // for printing stuff..
+
+
+
var symbol;
var token;
var currentScope;
var identifier;
- var expressionBraceNesting = this.braceNesting;
+ var expressionBraceNesting = this.braceNesting + 0;
var bracketNesting = 0;
var parensNesting = 0;
var isInObjectLitAr;
var isObjectLitAr = [ false ];
- while (token = this.ts.lookTok()) {
+
+ currentScope = this.scopes[this.scopes.length-1];
+
+
+ //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('EXP' + token.toString());
- currentScope = this.scopes[this.scopes.length-1];
//println("<i>"+token.data+"</i>");
- !this.debug|| print ("EXP" + token.toString());
+ //this.log("EXP:" + token.data);
switch (token.type) {
case 'PUNC':
+ print("EXPR-PUNC:" + JSON.stringify(token, null, 4));
+
switch(token.data) {
case ';':
if (this.braceNesting == expressionBraceNesting &&
bracketNesting == 0 &&
parensNesting == 0) {
-
+ print("<< EXIT EXPRESSION");
+ this.expN--;
return;
}
break;
isObjectLitAr.push(false);
this.braceNesting++;
- print(">>>>> EXP PUSH(false)"+this.braceNesting);
+ ///print(">>>>> EXP PUSH(false)"+this.braceNesting);
break;
case '}': //Token.RC:
this.braceNesting--;
isObjectLitAr.pop();
- print(">>>>> EXP POP" + this.braceNesting);
+ //print(">>>>> EXP POP" + this.braceNesting);
// assert braceNesting >= expressionBraceNesting;
break;
case '[': //Token.LB:
- bracketNesting++;
+
+ var ts = this.ts;
+ var _this = this;
+ token.items.forEach(function(ns) {
+ print("EXPR-PUNC-MAKE:" + JSON.stringify(ns, null, 4));
+ _this.ts = new TokenStream(ns);
+ //_this.ts.cursor--;
+ _this.parseExpression();
+ });
+ this.ts = ts;
+
break;
-
+
case ']': //Token.RB:
- bracketNesting--;
- break;
-
+ print("<< EXIT EXPRESSION");
+ return;
+
+
case '(': //Token.LP:
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)");
+ //print(">>>>> EXP PUSH(true)");
}
case 'NAME':
-
+ print("EXPR-NAME:" + JSON.stringify(token, null, 4));
symbol = token.data;
- if (this.ts.lookTok(-1).data == "{" && this.ts.lookTok(1).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)");
+ //print(">>>>> EXP PUSH(true)");
break;
}
+
isInObjectLitAr = isObjectLitAr[isObjectLitAr.length-1];
- if (isInObjectLitAr && this.ts.lookTok(-1).data == "," && this.ts.lookTok(1).data == ":") {
+ //print ("isInObjectLitAr : " + isInObjectLitAr + ' ' + token.toString());
+
+ if (isInObjectLitAr && this.ts.lookTok(0).data == "," && this.ts.lookTok(2).data == ":") {
break;
}
-
- if (this.ts.lookTok(-1).data == ".") {
+ //print(this.ts.lookTok(0).data);
+ if (this.ts.lookTok(0).data == ".") {
//skip '.'
break;
}
//println("<B>EID</B>");
- case 'KEYW':
-
+ case 'KEYW':
+ print("EXPR-KEYW:" + JSON.stringify(token, null, 4));
if (token.name == "FUNCTION") {
this.parseFunctionDeclaration();
}
break;
}
-
+ default:
+ print("EXPR-SKIP:" + JSON.stringify(token, null, 4));
+ break;
}
- if (!this.ts.nextTok()) break;
+
}
+ print("<< EXIT EXPRESSION");
+ this.expN--;
},
parseFunctionDeclaration : function()
{
- // print("PARSE FUNCTION");
+ //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];
this.indexedScopes[this.ts.cursor] = fnScope;
} else {
- //println("FETCHING SCOPE" + this.ts.cursor);
+ //qln("FETCHING SCOPE" + this.ts.cursor);
fnScope = this.indexedScopes[this.ts.cursor];
}
+ print('FUNC-PARSE:' + JSON.stringify(token,null,4));
// Parse function arguments.
- var argpos = 0;
- while (this.ts.lookTok().data != ')') { //(token = consumeToken()).getType() != Token.RP) {
- token = this.ts.nextTok();
+ 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;
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();
- if (token.type == "STRN" && this.ts.lookTok(1).data == ';') {
- /*
-
- NOT SUPPORTED YET!?!!?!
+ //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);
- // This is a hint. Hints are empty statements that look like
- // "localvar1:nomunge, localvar2:nomunge"; They allow developers
- // to prevent specific symbols from getting obfuscated (some heretic
- // implementations, such as Prototype 1.6, require specific variable
- // names, such as $super for example, in order to work appropriately.
- // Note: right now, only "nomunge" is supported in the right hand side
- // of a hint. However, in the future, the right hand side may contain
- // other values.
- consumeToken();
- String hints = token.getValue();
- // Remove the leading and trailing quotes...
- hints = hints.substring(1, hints.length() - 1).trim();
- StringTokenizer st1 = new StringTokenizer(hints, ",");
- while (st1.hasMoreTokens()) {
- String hint = st1.nextToken();
- int idx = hint.indexOf(':');
- if (idx <= 0 || idx >= hint.length() - 1) {
- if (mode == BUILDING_SYMBOL_TREE) {
- // No need to report the error twice, hence the test...
- this.warn("Invalid hint syntax: " + hint, true);
- }
- break;
- }
- String variableName = hint.substring(0, idx).trim();
- String variableType = hint.substring(idx + 1).trim();
- if (mode == BUILDING_SYMBOL_TREE) {
- fnScope.addHint(variableName, variableType);
- } else if (mode == CHECKING_SYMBOL_TREE) {
- identifier = fnScope.getIdentifier(variableName);
- if (identifier != null) {
- if (variableType.equals("nomunge")) {
- identifier.preventMunging();
- } else {
- this.warn("Unsupported hint value: " + hint, true);
- }
- } else {
- this.warn("Hint refers to an unknown identifier: " + hint, true);
- }
- }
- }
- */
- }
-
- 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) {
projects / gnome.introspection-doc-generator / blobdiff