JS: error message (not exception) for incompatible abi version during compilation

js/js.frontend/src/org/jetbrains/kotlin/js/config/Config.java

@@ -32,6 +32,7 @@ import org.jetbrains.kotlin.psi.JetFile;
 import org.jetbrains.kotlin.serialization.js.KotlinJavascriptSerializationUtil;
 import org.jetbrains.kotlin.storage.LockBasedStorageManager;
 import org.jetbrains.kotlin.utils.KotlinJavascriptMetadata;
+import org.jetbrains.kotlin.utils.KotlinJavascriptMetadataUtils;
 
 import java.util.Collection;
 import java.util.List;
@@ -146,6 +147,9 @@ public abstract class Config {
     }
 
     private ModuleDescriptorImpl createModuleDescriptor(KotlinJavascriptMetadata metadata) {
+        assert metadata.getIsAbiVersionCompatible() :
+                "expected abi version " + KotlinJavascriptMetadataUtils.ABI_VERSION + ", but metadata.abiVersion = " + metadata.getAbiVersion();
+
         ModuleDescriptorImpl moduleDescriptor = new ModuleDescriptorImpl(
                 Name.special("<" + metadata.getModuleName() + ">"), storageManager,
                 TopDownAnalyzerFacadeForJS.JS_MODULE_PARAMETERS

js/js.frontend/src/org/jetbrains/kotlin/js/config/LibrarySourcesConfig.java

@@ -40,7 +40,6 @@ import java.io.File;
 import java.util.Collections;
 import java.util.List;
 
-import static org.jetbrains.kotlin.utils.LibraryUtils.isKotlinJavascriptLibraryWithMetadata;
 import static org.jetbrains.kotlin.utils.LibraryUtils.isOldKotlinJavascriptLibrary;
 import static org.jetbrains.kotlin.utils.PathUtil.getKotlinPathsForDistDirectory;
 
@@ -161,12 +160,21 @@ public class LibrarySourcesConfig extends Config {
             if (isOldKotlinJavascriptLibrary(filePath)) {
                 moduleName = LibraryUtils.getKotlinJsModuleName(filePath);
             }
-            else if (isKotlinJavascriptLibraryWithMetadata(filePath)) {
-                moduleName = null;
-            }
             else {
-                report.invoke("'" + path + "' is not a valid Kotlin Javascript library");
-                return true;
+                List<KotlinJavascriptMetadata> metadataList = KotlinJavascriptMetadataUtils.loadMetadata(filePath);
+                if (metadataList.isEmpty()) {
+                    report.invoke("'" + path + "' is not a valid Kotlin Javascript library");
+                    return true;
+                }
+
+                for (KotlinJavascriptMetadata metadata : metadataList) {
+                    if (!metadata.getIsAbiVersionCompatible()) {
+                        report.invoke("File '" + path + "' was compiled with an incompatible version of Kotlin. Its ABI version is " + metadata.getAbiVersion() + ", expected ABI version is " + KotlinJavascriptMetadataUtils.ABI_VERSION);
+                        return true;
+                    }
+                }
+
+                moduleName = null;
             }
 
             if (action != null) {