Leakage fixes.

js2/src/bytecodecontainer.h

@@ -92,7 +92,7 @@ public:
 #endif
                             { }
     
-    BytecodeContainer::~BytecodeContainer()          { }
+    BytecodeContainer::~BytecodeContainer()          { String t; mSource = t; mSourceLocation = t; }
 
 
     void mark();

js2/src/epimetheus.cpp

@@ -146,7 +146,7 @@ static int readEvalPrint(FILE *in)
                     js2val rval = metadata->ExecuteStmtList(RunPhase, parsedStatements);
                     if (!JS2VAL_IS_VOID(rval))
                         stdOut << *metadata->toString(rval) << '\n';
-                    metadata->restoreCompilationUnit(oldData);
+                    metadata->restoreCompilationUnit(oldData);
                 }
             }
             clear(buffer);
@@ -414,7 +414,7 @@ int main(int argc, char **argv)
             result = readEvalPrint(stdin);
         delete metadata;
         world->identifiers.clear();
-        delete world;
+        delete world;
         return result;
     }
     catch (Exception &e) {

js2/src/js2engine.cpp

@@ -420,8 +420,8 @@ namespace MetaData {
                   INIT_STRINGATOM(Function),
                   INIT_STRINGATOM(Object),
                   INIT_STRINGATOM(object),
-                  Empty_StringAtom(allocStringPtr(&world.identifiers[""])),
-                  Dollar_StringAtom(allocStringPtr(&world.identifiers["$"])),
+                  Empty_StringAtom(allocStringPtr("")),
+                  Dollar_StringAtom(allocStringPtr("$")),
                   INIT_STRINGATOM(prototype),
                   INIT_STRINGATOM(length),
                   INIT_STRINGATOM(toString),
@@ -441,6 +441,12 @@ namespace MetaData {
         execStackLimit = execStack + INITIAL_EXEC_STACK;
         activationStackTop = activationStack = new ActivationFrame[MAX_ACTIVATION_STACK];
     }
+
+    JS2Engine::~JS2Engine()
+    {
+        delete [] execStack;
+        delete [] activationStack;
+    }
 
 #ifdef DEBUG
 

js2/src/js2engine.h

@@ -178,7 +178,8 @@ void dumpBytecode(BytecodeContainer *bCon);
 class JS2Engine {
 public:
 
-    JS2Engine(World &world);
+    JS2Engine(World &world);
+    ~JS2Engine();
 
     js2val interpret(Phase execPhase, BytecodeContainer *targetbCon, Environment *env);
     js2val interpreterLoop();

js2/src/js2eval.cpp

@@ -153,10 +153,12 @@ namespace MetaData {
         }
         catch (Exception &x) {
             referenceArena->clear();
+            delete referenceArena;
             referenceArena = oldArena;
             throw x;
         }
-        referenceArena->clear();
+        referenceArena->clear();
+        delete referenceArena;
         referenceArena = oldArena;
 
         bCon->emitOp(eReturnVoid, lastPos);

js2/src/js2metadata.cpp

@@ -3446,7 +3446,9 @@ XXX see EvalAttributeExpression, where identifiers are being handled for now...
         bConList.clear();
         targetList.clear();
         JS2Object::clear(this); // don't blow off the contents of 'this' as the destructors for
-                                // embedded objects will get messed up (as they run on exit).
+                                // embedded objects will get messed up (as they run on exit).
+        delete engine;
+        if (bCon) delete bCon;
     }
 
     JS2Class *JS2Metadata::objectType(JS2Object *obj)
@@ -4678,9 +4680,10 @@ XXX see EvalAttributeExpression, where identifiers are being handled for now...
                     delete obj;
                 }
                 else
-                    if (p->isString()) {
+                    if (p->isString()) {
+                        String t;
                         String *s = (String *)(p + 1);
-                        s->erase();
+                        *s = t;
                     }
                 released += returnToPond(p);
             }