From e3bd99d5105c8ec4c690a82d3767dc06a3e145dd Mon Sep 17 00:00:00 2001
From: Michael Nedzelsky <Michael.Nedzelsky@jetbrains.com>
Date: Thu, 12 Mar 2015 15:16:47 +0300
Subject: [PATCH] JS: fix clash between sources and metadata in one library

---
 build.xml                                     |  1 +
 .../idea/caches/resolve/JsAnalyzerFacade.kt   | 14 +++--
 .../navigation/DecompiledNavigationUtils.java | 13 ++--
 .../decompiler/navigation/JsMetaFileUtils.kt  | 63 +++++++++++--------
 4 files changed, 56 insertions(+), 35 deletions(-)

diff --git a/build.xml b/build.xml
index 82e577b539c..3f8ce0a9c04 100644
--- a/build.xml
+++ b/build.xml
@@ -355,6 +355,7 @@
         </closure-compiler>
 
         <jar jarfile="${kotlin-home}/lib/kotlin-jslib.jar" duplicate="fail">
+            <resources refid="js.lib.files" />
             <zipfileset file="${kotlin-home}/build.txt" prefix="META-INF"/>
             <zipfileset file="${output}/kotlin.js" prefix=""/>
             <zipfileset file="${output}/${compiled.stdlib.meta.js}" prefix=""/>
diff --git a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/resolve/JsAnalyzerFacade.kt b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/resolve/JsAnalyzerFacade.kt
index 2777fc4f624..0faf74c4cbb 100644
--- a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/resolve/JsAnalyzerFacade.kt
+++ b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/resolve/JsAnalyzerFacade.kt
@@ -24,6 +24,7 @@ import org.jetbrains.kotlin.context.GlobalContext
 import org.jetbrains.kotlin.descriptors.impl.CompositePackageFragmentProvider
 import org.jetbrains.kotlin.descriptors.impl.ModuleDescriptorImpl
 import org.jetbrains.kotlin.di.InjectorForLazyResolve
+import org.jetbrains.kotlin.idea.framework.JsHeaderLibraryDetectionUtil
 import org.jetbrains.kotlin.js.analyze.TopDownAnalyzerFacadeForJS
 import org.jetbrains.kotlin.js.resolve.KotlinJsCheckerProvider
 import org.jetbrains.kotlin.platform.PlatformToKotlinClassMap
@@ -61,12 +62,15 @@ public object JsAnalyzerFacade : AnalyzerFacade<JsResolverForModule, PlatformAna
         var packageFragmentProvider = resolveSession.getPackageFragmentProvider()
 
         if (moduleInfo is LibraryInfo) {
-            val providers = moduleInfo.library.getFiles(OrderRootType.CLASSES)
-                    .flatMap { KotlinJavascriptMetadataUtils.loadMetadata(PathUtil.getLocalPath(it)!!) }
-                    .flatMap { KotlinJavascriptSerializationUtil.getPackageFragmentProviders(moduleDescriptor, it.body) }
+            val files = moduleInfo.library.getFiles(OrderRootType.CLASSES)
+            if (!JsHeaderLibraryDetectionUtil.isJsHeaderLibraryWithSources(files.toList())) {
+                val providers = moduleInfo.library.getFiles(OrderRootType.CLASSES)
+                        .flatMap { KotlinJavascriptMetadataUtils.loadMetadata(PathUtil.getLocalPath(it)!!) }
+                        .flatMap { KotlinJavascriptSerializationUtil.getPackageFragmentProviders(moduleDescriptor, it.body) }
 
-            if (providers.isNotEmpty()) {
-                packageFragmentProvider = CompositePackageFragmentProvider(listOf(packageFragmentProvider) + providers)
+                if (providers.isNotEmpty()) {
+                    packageFragmentProvider = CompositePackageFragmentProvider(listOf(packageFragmentProvider) + providers)
+                }
             }
         }
 
diff --git a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/decompiler/navigation/DecompiledNavigationUtils.java b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/decompiler/navigation/DecompiledNavigationUtils.java
index c5b89c4b41c..fcb99d2a9d2 100644
--- a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/decompiler/navigation/DecompiledNavigationUtils.java
+++ b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/decompiler/navigation/DecompiledNavigationUtils.java
@@ -48,10 +48,15 @@ public final class DecompiledNavigationUtils {
     ) {
         VirtualFile virtualFile;
 
-        if (JsProjectDetector.isJsProject(project) && NavigationPackage.getKotlinJavascriptLibrary(referencedDescriptor, project) != null) {
-            JsMetaFileVirtualFileHolder system = JsMetaFileVirtualFileHolder.getInstance(project);
-            virtualFile = system.getFile(referencedDescriptor);
-            if (virtualFile == null) return null;
+        if (JsProjectDetector.isJsProject(project)) {
+            if (NavigationPackage.getKotlinJavascriptLibraryWithMetadata(referencedDescriptor, project) != null) {
+                JsMetaFileVirtualFileHolder system = JsMetaFileVirtualFileHolder.getInstance(project);
+                virtualFile = system.getFile(referencedDescriptor);
+                if (virtualFile == null) return null;
+            }
+            else {
+                return null;
+            }
         }
         else {
             virtualFile = findVirtualFileContainingDescriptor(project, referencedDescriptor);
diff --git a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/decompiler/navigation/JsMetaFileUtils.kt b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/decompiler/navigation/JsMetaFileUtils.kt
index 41b0b309880..018545b2d6a 100644
--- a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/decompiler/navigation/JsMetaFileUtils.kt
+++ b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/decompiler/navigation/JsMetaFileUtils.kt
@@ -20,7 +20,9 @@ import com.intellij.ide.highlighter.JavaClassFileType
 import com.intellij.openapi.fileTypes.FileType
 import com.intellij.openapi.module.ModuleManager
 import com.intellij.openapi.project.Project
+import com.intellij.openapi.roots.LibraryOrderEntry
 import com.intellij.openapi.roots.ModuleRootManager
+import com.intellij.openapi.roots.OrderRootType
 import com.intellij.openapi.roots.ProjectRootModificationTracker
 import com.intellij.openapi.roots.libraries.Library
 import com.intellij.openapi.util.Key
@@ -33,57 +35,66 @@ import org.jetbrains.kotlin.descriptors.ModuleDescriptor
 import org.jetbrains.kotlin.descriptors.PackageFragmentDescriptor
 import org.jetbrains.kotlin.descriptors.impl.ModuleDescriptorImpl
 import org.jetbrains.kotlin.idea.caches.resolve.LIBRARY_NAME_PREFIX
+import org.jetbrains.kotlin.idea.framework.JsHeaderLibraryDetectionUtil
 import org.jetbrains.kotlin.idea.project.ProjectStructureUtil
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.resolve.DescriptorUtils
 import kotlin.platform.platformStatic
 
-fun getKotlinJavascriptLibrary(descriptor: DeclarationDescriptor, project: Project): Library? {
+fun getKotlinJavascriptLibraryWithMetadata(descriptor: DeclarationDescriptor, project: Project): Library? {
     val containingPackageFragment = DescriptorUtils.getParentOfType<PackageFragmentDescriptor>(descriptor, javaClass<PackageFragmentDescriptor>())
     if (containingPackageFragment == null) return null
 
     val module = DescriptorUtils.getContainingModule(descriptor)
     assert(module is ModuleDescriptorImpl)
 
-    var moduleName = getModuleName(module)
-
-    return getKotlinJavascriptLibrary(moduleName, project)
-}
-
-fun getKotlinJavascriptLibrary(libraryName: String, project: Project): Library? {
-    var library: Library? = null
-    val jsModules = ModuleManager.getInstance(project).getModules().filter { (ProjectStructureUtil.isJsKotlinModule(it)) }
-    jsModules.forEach { module ->
-        ModuleRootManager.getInstance(module).orderEntries().librariesOnly().forEachLibrary {
-            if (it.getName() == libraryName) { library = it; false } else true
-        }
-    }
-
-    return library
+    return getKotlinJavascriptLibrary(module, project)
 }
 
 fun getKotlinJavascriptLibrary(file: VirtualFile, project: Project): Library? {
     val module = file.getUserData(JsMetaFileVirtualFileHolder.MODULE_DESCRIPTOR_KEY)
     if (module == null) return null
 
-    var moduleName = getModuleName(module)
-
-    return getKotlinJavascriptLibrary(moduleName, project)
+    return getKotlinJavascriptLibrary(module, project)
 }
 
-private fun getModuleName(module: ModuleDescriptor): String {
-    var moduleName = module.getName().asString()
-    moduleName = moduleName.substring(1, moduleName.length() - 1)
-    if (moduleName.startsWith(LIBRARY_NAME_PREFIX)) {
-        moduleName = moduleName.substring(LIBRARY_NAME_PREFIX.length())
+private fun Library.isWithoutSources(): Boolean =
+        !JsHeaderLibraryDetectionUtil.isJsHeaderLibraryWithSources(this.getFiles(OrderRootType.CLASSES).toList())
+
+// getName() could return null for module level library
+private fun Library.safeGetName(): String = this.getName() ?: "null"
+
+private fun getKotlinJavascriptLibrary(module: ModuleDescriptor, project: Project): Library? {
+    val libraryName = getLibraryName(module)
+    if (libraryName == null) return null
+
+    val jsIdeaModules = ModuleManager.getInstance(project).getModules().filter { (ProjectStructureUtil.isJsKotlinModule(it)) }
+    for(ideaModule in jsIdeaModules) {
+        for(orderEntry in ModuleRootManager.getInstance(ideaModule).getOrderEntries()) {
+            if (orderEntry is LibraryOrderEntry) {
+                val library = orderEntry.getLibrary()
+                if (library != null && library.safeGetName() == libraryName && library.isWithoutSources()) {
+                    return library
+                }
+            }
+        }
     }
 
-    return moduleName
+    return null
+}
+
+private fun getLibraryName(module: ModuleDescriptor): String? {
+    var moduleName = module.getName().asString()
+    moduleName = moduleName.substring(1, moduleName.length() - 1)
+
+    if (!moduleName.startsWith(LIBRARY_NAME_PREFIX)) return null
+
+    return moduleName.substring(LIBRARY_NAME_PREFIX.length())
 }
 
 
 class JsMetaFileVirtualFileHolder private(val myProject: Project) {
-    default object {
+    class object {
         public val MODULE_DESCRIPTOR_KEY: Key<ModuleDescriptorImpl> = Key.create("MODULE_DESCRIPTOR")
         public val PACKAGE_FQNAME_KEY: Key<FqName> = Key.create("PACKAGE_FQNAME_KEY")
         private val JS_META_FILE_HOLDER_KEY: Key<JsMetaFileVirtualFileHolder> = Key.create("JS_META_FILE_HOLDER_KEY")