Incremental fixes for Packages/Import/Use etc.

js2/src/bytecodegen.cpp

@@ -368,6 +368,7 @@ ByteCodeData gByteCodeData[OpCodeCount] = {
 { -1,       "Juxtapose", },
 { -1,       "NamedArgument", },
 { -1,       "Use", },
+{ 0,        "UseOnceOp", },
 
 };
 
@@ -1389,13 +1390,30 @@ bool ByteCodeGen::genCodeForStatement(StmtNode *p, ByteCodeGen *static_cg, uint3
 
         }
         break;
-    case StmtNode::Package:
-    case StmtNode::Import:
     case StmtNode::Namespace:
         {
             // do anything at bytecodegen?
         }
         break;
+    case StmtNode::Package:
+        {
+            PackageStmtNode *ps = checked_cast<PackageStmtNode *>(p);
+	    mScopeChain->addScope(ps->scope);
+            genCodeForStatement(ps->body, static_cg, finallyLabel);
+	    mScopeChain->popScope();
+        }
+        break;
+    case StmtNode::Import:
+        {
+            ImportStmtNode *i = checked_cast<ImportStmtNode *>(p);
+            ExprList *namespaces = i->namespaces;
+            while (namespaces) {
+                genExpr(namespaces->expr);
+                addOp(UseOp);
+                namespaces = namespaces->next;
+            }
+        }
+        break;
     default:
         NOT_REACHED("Not Implemented Yet");
     }
@@ -2063,6 +2081,7 @@ BinaryOpEquals:
             delete ref;
             return Object_Type;
         }
+    case ExprNode::qualify:
     case ExprNode::identifier:
         {
             Reference *ref = genReference(p, Read);

js2/src/bytecodegen.h

@@ -157,7 +157,7 @@ typedef enum {
     JuxtaposeOp,            //                          <attribute> <attribute> --> <attribute>
     NamedArgOp,             //                          <object> <string> --> <named arg object>
     UseOp,                  //                          <object> -->
-    UseOnceOp,              //                          <object> -->
+    UseOnceOp,              // <pool ref>
 
     OpCodeCount
 

js2/src/js2runtime.cpp

@@ -1246,33 +1246,44 @@ void ScopeChain::collectNames(StmtNode *p)
         break;
     case StmtNode::Import:
         {
-            // if loaded already - just skip.
             ImportStmtNode *i = checked_cast<ImportStmtNode *>(p);
-	    String packagePath;
+	    String packageName;
-	    if (i->packageIdList) {
+	    if (i->packageIdList)
-		packagePath = getPackageName(i->packageIdList);
+		packageName = getPackageName(i->packageIdList);
-                if (!m_cx->checkForPackage(packagePath)) {
+            else
-                    m_cx->loadPackage(packagePath, packagePath + ".js");
+                packageName = *i->packageString;
 
-		    JSValue packageValue = getCompileTimeValue(packagePath, NULL);
+            if (!m_cx->checkForPackage(packageName))
+                m_cx->loadPackage(packageName, packageName + ".js");
+
+	    JSValue packageValue = getCompileTimeValue(packageName, NULL);
 	    ASSERT(packageValue.isObject() && (packageValue.object->mType == Package_Type));
 	    Package *package = checked_cast<Package *>(packageValue.object);
             
-                    for (PropertyIterator it = package->mProperties.begin(), end = package->mProperties.end();
+            if (i->varName)
-                                (it != end); it++) {
+                defineVariable(m_cx, *i->varName, NULL, Package_Type, JSValue(package));
             
+            for (PropertyIterator it = package->mProperties.begin(), end = package->mProperties.end();
+                        (it != end); it++)
+            {
                 ASSERT(PROPERTY_KIND(it) == ValuePointer);
+                bool makeAlias = true;
+                if (i->includeExclude) {
+                    makeAlias = !i->exclude;
+                    IdentifierList *idList = i->includeExclude;
+                    while (idList) {
+                        if (idList->name.compare(PROPERTY_NAME(it)) == 0) {
+                            makeAlias = !makeAlias;
+                            break;
+                        }
+                        idList = idList->next;
+                    }
+                }
+                if (makeAlias)
                     defineAlias(m_cx, PROPERTY_NAME(it), PROPERTY_NAMESPACELIST(it), PROPERTY_ATTR(it), PROPERTY_TYPE(it), PROPERTY_VALUEPOINTER(it));
             }
 
-                }
+
-	    }
-            else {
-                packagePath = *i->packageString + ".js";
-                if (!m_cx->checkForPackage(*i->packageString)) {
-                    m_cx->loadPackage(*i->packageString, packagePath);
-                }
-            }
         }
         break;
     case StmtNode::Namespace:
@@ -1289,7 +1300,7 @@ void ScopeChain::collectNames(StmtNode *p)
 	    String packageName = getPackageName(ps->packageIdList);
 	    Package *package = new Package(packageName);
             ps->scope = package;
-            m_cx->getGlobalObject()->defineVariable(m_cx, packageName, (NamespaceList *)(NULL), Property::NoAttribute, Package_Type, JSValue(package));
+            defineVariable(m_cx, packageName, NULL, Package_Type, JSValue(package));
 	    m_cx->mPackages.push_back(package);
 
 	    addScope(ps->scope);