KT-3008: when inlining functions from external modules, replace calls to functions in the external module via new mechanism instead of Kotlin.modules

js/js.inliner/src/org/jetbrains/kotlin/js/inline/FunctionReader.kt

@@ -30,6 +30,7 @@ import org.jetbrains.kotlin.js.parser.parseFunction
 import org.jetbrains.kotlin.js.translate.context.Namer
 import org.jetbrains.kotlin.js.translate.context.TranslationContext
 import org.jetbrains.kotlin.js.translate.reference.CallExpressionTranslator
+import org.jetbrains.kotlin.js.translate.utils.JsAstUtils
 import org.jetbrains.kotlin.js.translate.utils.JsDescriptorUtils.getExternalModuleName
 import org.jetbrains.kotlin.resolve.descriptorUtil.isExtension
 import org.jetbrains.kotlin.resolve.inline.InlineStrategy
@@ -149,14 +150,18 @@ class FunctionReader(private val context: TranslationContext) {
 
         val function = parseFunction(source, offset, ThrowExceptionOnErrorReporter, JsRootScope(JsProgram("<inline>")))
         val moduleName = getExternalModuleName(descriptor)!!
-        val moduleNameLiteral = context.program().getStringLiteral(moduleName)
-        val moduleReference = context.namer().getModuleReference(moduleNameLiteral)
+        val moduleReference = context.getModuleExpressionFor(descriptor) ?: getRootPackage()
 
         val replacements = hashMapOf(moduleRootVariable[moduleName]!! to moduleReference,
                                      moduleKotlinVariable[moduleName]!! to Namer.kotlinObject())
         replaceExternalNames(function, replacements)
         return function
     }
+
+    private fun getRootPackage(): JsExpression {
+        val rootName = context.program().rootScope.declareName(Namer.getRootPackageName())
+        return JsAstUtils.fqnWithoutSideEffects(rootName, null)
+    }
 }
 
 private val Char.isWhitespaceOrComma: Boolean

js/js.translator/src/org/jetbrains/kotlin/js/translate/context/StaticContext.java

@@ -545,10 +545,8 @@ public final class StaticContext {
 
                     JsNameRef result = getQualifierForParentPackage(((PackageFragmentDescriptor) containingDescriptor).getFqName());
 
-                    String moduleName = getExternalModuleName(descriptor);
-                    if (moduleName == null) {
-                        return result;
-                    }
+                    JsExpression moduleExpression = getModuleExpressionFor(descriptor);
+                    if (moduleExpression == null) return result;
 
                     if (LibrarySourcesConfig.UNKNOWN_EXTERNAL_MODULE_NAME.equals(moduleName)) {
                         return null;
@@ -655,6 +653,23 @@ public final class StaticContext {
         }
     }
 
+    @Nullable
+    public JsExpression getModuleExpressionFor(@NotNull DeclarationDescriptor descriptor) {
+        String moduleName = getExternalModuleName(descriptor);
+        if (moduleName == null) return null;
+
+        if (LibrarySourcesConfig.UNKNOWN_EXTERNAL_MODULE_NAME.equals(moduleName)) return null;
+
+        JsName moduleId = moduleName.equals(Namer.KOTLIN_LOWER_NAME) ? rootScope.declareName(Namer.KOTLIN_NAME) :
+                          importedModules.get(moduleName);
+        if (moduleId == null) {
+            moduleId = rootScope.declareFreshName(Namer.LOCAL_MODULE_PREFIX + Namer.suggestedModuleName(moduleName));
+            importedModules.put(moduleName, moduleId);
+        }
+
+        return JsAstUtils.fqnWithoutSideEffects(moduleId, null);
+    }
+
     private static JsExpression applySideEffects(JsExpression expression, DeclarationDescriptor descriptor) {
         if (expression instanceof HasMetadata) {
             if (descriptor instanceof FunctionDescriptor ||

js/js.translator/src/org/jetbrains/kotlin/js/translate/context/TranslationContext.java

@@ -544,4 +544,9 @@ public class TranslationContext {
                                                                "reports true for given constructor: " + constructor);
         callSites.add(new DeferredCallSite(constructor, invocationArgs, this));
     }
+
+    @Nullable
+    public JsExpression getModuleExpressionFor(@NotNull DeclarationDescriptor descriptor) {
+        return staticContext.getModuleExpressionFor(descriptor);
+    }
 }