Disable dynamic import and put it behind the flag.

akroshg · akroshg · commit f7bcf68cfde6 · 2017-11-08T10:28:39.000-08:00
The host work is still pending so instead of showing this as a broken feature, it will be displayed as not supported feature.
diff --git a/bin/NativeTests/JsRTApiTest.cpp b/bin/NativeTests/JsRTApiTest.cpp
@@ -2063,6 +2063,7 @@ namespace JsRTApiTest
         JsRTApiTest::WithSetup(JsRuntimeAttributeEnableExperimentalFeatures, ReentrantParseModuleTest);
     }
 
+
     ModuleResponseData reentrantNoErrorParseData;
     static JsErrorCode CALLBACK reentrantNoErrorParse_FIMC(_In_ JsModuleRecord referencingModule, _In_ JsValueRef specifier, _Outptr_result_maybenull_ JsModuleRecord* dependentModuleRecord)
     {
@@ -2131,6 +2132,49 @@ namespace JsRTApiTest
         JsRTApiTest::WithSetup(JsRuntimeAttributeEnableExperimentalFeatures, ReentrantNoErrorParseModuleTest);
     }
 
+    static JsErrorCode CALLBACK FIMC1(_In_ JsModuleRecord referencingModule, _In_ JsValueRef specifier, _Outptr_result_maybenull_ JsModuleRecord* dependentModuleRecord)
+    {
+        JsModuleRecord moduleRecord = JS_INVALID_REFERENCE;
+        LPCWSTR specifierStr;
+        size_t length;
+        JsErrorCode errorCode = JsStringToPointer(specifier, &specifierStr, &length);
+        REQUIRE(errorCode == JsNoError);
+
+        if (wcscmp(specifierStr, _u("foo.js")) == 0)
+        {
+            errorCode = JsInitializeModuleRecord(referencingModule, specifier, &moduleRecord);
+            REQUIRE(errorCode == JsNoError);
+            *dependentModuleRecord = moduleRecord;
+        }
+        return JsNoError;
+    }
+
+    static JsErrorCode CALLBACK NMRC1(_In_opt_ JsModuleRecord referencingModule, _In_opt_ JsValueRef exceptionVar)
+    {
+        // NotifyModuleReadyCallback handling.
+
+        return JsNoError;
+    }
+
+    void SomebugTest(JsRuntimeAttributes attributes, JsRuntimeHandle runtime)
+    {
+        JsModuleRecord rec;
+        JsInitializeModuleRecord(nullptr, nullptr, &rec);
+        JsSetModuleHostInfo(rec, JsModuleHostInfo_FetchImportedModuleCallback, FIMC1);
+        JsSetModuleHostInfo(rec, JsModuleHostInfo_FetchImportedModuleFromScriptCallback, FIMC1);
+        JsSetModuleHostInfo(rec, JsModuleHostInfo_NotifyModuleReadyCallback, NMRC1);
+
+        JsValueRef F = JS_INVALID_REFERENCE;
+        JsErrorCode err = JsRunScript(_u("var j = import('foo.js').then(mod => { mod.bar(); })"), 0, _u(""), &F);
+
+        CHECK(err == JsNoError);
+    }
+
+    TEST_CASE("ApiTest_SomebugTest", "[ApiTest]")
+    {
+        JsRTApiTest::WithSetup(JsRuntimeAttributeEnableExperimentalFeatures, SomebugTest);
+
+    }
     void ObjectHasOwnPropertyMethodTest(JsRuntimeAttributes attributes, JsRuntimeHandle runtime)
     {
         JsValueRef proto = JS_INVALID_REFERENCE;
diff --git a/lib/Common/ConfigFlagsList.h b/lib/Common/ConfigFlagsList.h
@@ -604,6 +604,7 @@ PHASE(All)
 #define DEFAULT_CONFIG_ES7TrailingComma        (true)
 #define DEFAULT_CONFIG_ES7ValuesEntries        (true)
 #define DEFAULT_CONFIG_ESObjectGetOwnPropertyDescriptors (true)
+#define DEFAULT_CONFIG_ESDynamicImport         (false)
 
 #define DEFAULT_CONFIG_ESSharedArrayBuffer     (true)
 
@@ -1037,6 +1038,11 @@ FLAGPR           (Boolean, ES6, ES7TrailingComma       , "Enable ES7 trailing co
 FLAGPR           (Boolean, ES6, ES6IsConcatSpreadable  , "Enable ES6 isConcatSpreadable Symbol"                     , DEFAULT_CONFIG_ES6IsConcatSpreadable)
 FLAGPR           (Boolean, ES6, ES6Math                , "Enable ES6 Math extensions"                               , DEFAULT_CONFIG_ES6Math)
 
+#ifndef COMPILE_DISABLE_ESDynamicImport
+    #define COMPILE_DISABLE_ESDynamicImport 0
+#endif
+FLAGPR_REGOVR_EXP(Boolean, ES6, ESDynamicImport        , "Enable dynamic import"                                    , DEFAULT_CONFIG_ESDynamicImport)
+
 FLAGPR           (Boolean, ES6, ES6Module              , "Enable ES6 Modules"                                       , DEFAULT_CONFIG_ES6Module)
 FLAGPR           (Boolean, ES6, ES6Object              , "Enable ES6 Object extensions"                             , DEFAULT_CONFIG_ES6Object)
 FLAGPR           (Boolean, ES6, ES6Number              , "Enable ES6 Number extensions"                             , DEFAULT_CONFIG_ES6Number)
diff --git a/lib/Parser/Parse.cpp b/lib/Parser/Parse.cpp
@@ -2646,6 +2646,11 @@ ParseNodePtr Parser::ParseImport()
     // import()
     if (m_token.tk == tkLParen)
     {
+        if (!m_scriptContext->GetConfig()->IsESDynamicImportEnabled())
+        {
+            Error(ERRsyntax);
+        }
+
         ParseNodePtr pnode = ParseImportCall<buildAST>();
         BOOL fCanAssign;
         IdentToken token;
@@ -3522,7 +3527,7 @@ LFunction :
         break;
 
     case tkIMPORT:
-        if (m_scriptContext->GetConfig()->IsES6ModuleEnabled())
+        if (m_scriptContext->GetConfig()->IsES6ModuleEnabled() && m_scriptContext->GetConfig()->IsESDynamicImportEnabled())
         {
             m_pscan->Scan();
             ChkCurTokNoScan(tkLParen, ERRnoLparen);
diff --git a/lib/Runtime/Base/ThreadConfigFlagsList.h b/lib/Runtime/Base/ThreadConfigFlagsList.h
@@ -46,6 +46,7 @@ FLAG_RELEASE(SkipSplitOnNoResult, SkipSplitOnNoResult)
 FLAG_RELEASE(IsES7AsyncAndAwaitEnabled, ES7AsyncAwait)
 FLAG_RELEASE(IsESObjectGetOwnPropertyDescriptorsEnabled, ESObjectGetOwnPropertyDescriptors)
 FLAG_RELEASE(IsESSharedArrayBufferEnabled, ESSharedArrayBuffer)
+FLAG_RELEASE(IsESDynamicImportEnabled, ESDynamicImport)
 #ifdef ENABLE_PROJECTION
 FLAG(AreWinRTDelegatesInterfaces, WinRTDelegateInterfaces)
 FLAG_RELEASE(IsWinRTAdaptiveAppsEnabled, WinRTAdaptiveApps)
diff --git a/test/es6/rlexe.xml b/test/es6/rlexe.xml
@@ -1366,14 +1366,14 @@
   <test>
     <default>
       <files>dynamic-module-functionality.js</files>
-      <compile-flags>-ES6Module -args summary -endargs</compile-flags>
+      <compile-flags>-ES6Module -ESDynamicImport -args summary -endargs</compile-flags>
       <tags>exclude_sanitize_address</tags>
     </default>
   </test>
   <test>
     <default>
       <files>dynamic-module-import-specifier.js</files>
-      <compile-flags>-MuteHostErrorMsg -ES6Module -args summary -endargs</compile-flags>
+      <compile-flags>-MuteHostErrorMsg -ESDynamicImport -ES6Module -args summary -endargs</compile-flags>
       <tags>exclude_sanitize_address</tags>
     </default>
   </test>
@@ -1410,7 +1410,7 @@
   <test>
     <default>
       <files>bug_OS12095746.js</files>
-      <compile-flags>-MuteHostErrorMsg -IgnoreScriptErrorCode -TraceHostCallback -ES6Module</compile-flags>
+      <compile-flags>-MuteHostErrorMsg -IgnoreScriptErrorCode -TraceHostCallback -ES6Module -ESDynamicImport</compile-flags>
       <tags>exclude_dynapogo,exclude_sanitize_address,bugfix,exclude_drt</tags>
       <baseline>bug_OS12095746.baseline</baseline>
     </default>
@@ -1459,7 +1459,7 @@
   <test>
     <default>
       <files>bug_issue_3076.js</files>
-      <compile-flags>-force:deferparse</compile-flags>
+      <compile-flags>-force:deferparse -ESDynamicImport </compile-flags>
       <tags>BugFix,exclude_sanitize_address</tags>
     </default>
   </test>
