Separate class expressions from class declarations and their symbols like defuns

lib/ast.js

@@ -966,7 +966,7 @@ var AST_ObjectGetter = DEFNODE("ObjectGetter", "static", {
 
 var AST_Class = DEFNODE("Class", "name extends properties", {
     $propdoc: {
-        name: "[AST_SymbolClassName?] optional class name.",
+        name: "[AST_SymbolClass|AST_SymbolDefClass?] optional class name.",
         extends: "[AST_Node]? optional parent class",
         properties: "[AST_ObjectProperty*] array of properties"
     },
@@ -986,6 +986,14 @@ var AST_Class = DEFNODE("Class", "name extends properties", {
     },
 }, AST_Scope);
 
+var AST_DefClass = DEFNODE("DefClass", null, {
+    $documentation: "A class definition",
+}, AST_Class);
+
+var AST_ClassExpression = DEFNODE("ClassExpression", null, {
+    $documentation: "A class expression."
+}, AST_Class);
+
 var AST_Symbol = DEFNODE("Symbol", "scope name thedef", {
     $propdoc: {
         name: "[string] name of this symbol",
@@ -1030,7 +1038,11 @@ var AST_SymbolLambda = DEFNODE("SymbolLambda", null, {
     $documentation: "Symbol naming a function expression",
 }, AST_SymbolDeclaration);
 
-var AST_SymbolClassName = DEFNODE("SymbolClassName", null, {
+var AST_SymbolDefClass = DEFNODE("SymbolDefClass", null, {
+    $documentation: "Symbol naming a class's name in a class declaration. Lexically scoped to its containing scope, and accessible within the class."
+}, AST_SymbolDeclaration);
+
+var AST_SymbolClass = DEFNODE("SymbolClass", null, {
     $documentation: "Symbol naming a class's name. Lexically scoped to the class."
 }, AST_SymbolDeclaration);