null access

benchmarks/nbody.ce

@@ -158,31 +158,4 @@ for (var i = 0; i < n; i++)
     advance(0.01);
 log.console(energy().toFixed(9))
 
-var js = use('js')
-
-// Get function metadata
-var fn_info = js.fn_info(advance)
-log.console(`${fn_info.filename}:${fn_info.line}:${fn_info.column}: function: ${fn_info.name}`)
-
-// Display arguments
-if (fn_info.args && fn_info.args.length > 0) {
-  log.console(`  args: ${fn_info.args.join(' ')}`)
-}
-
-// Display local variables
-if (fn_info.locals && fn_info.locals.length > 0) {
-  log.console('  locals:')
-  for (var i = 0; i < fn_info.locals.length; i++) {
-    var local = fn_info.locals[i]
-    log.console(`    ${local.index}: ${local.type} ${local.name}`)
-  }
-}
-
-// Display stack size
-log.console(`  stack_size: ${fn_info.stack_size}`)
-
-// Display disassembly
-log.console(js.disassemble(advance))
-log.console(js.disassemble(advance).length)
-
 $stop()

source/quickjs.c

@@ -6780,7 +6780,7 @@ JSValue JS_GetPropertyInternal(JSContext *ctx, JSValueConst obj,
     if (unlikely(tag != JS_TAG_OBJECT)) {
         switch(tag) {
         case JS_TAG_NULL:
-            return JS_ThrowTypeErrorAtom(ctx, "cannot read property '%s' of null", prop);
+            return JS_NULL;
         case JS_TAG_EXCEPTION:
             return JS_EXCEPTION;
         case JS_TAG_STRING:

tests/suite.cm

@@ -1529,5 +1529,14 @@ return {
         if (!hasNumbers) throw "string match with regex failed"
     },
 
+    test_string_plus_string_works: function() {
+        var x = "hello" + " world"
+        if (x != "hello world") throw "string + string should work"
+    },
 
+    null_access: function() {
+        var val = {}
+        var nn = val.a
+        if (nn != null) throw "val.a should return null"
+    },
 }