Allow to embed source files into JS source maps

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

@@ -35,6 +35,9 @@ public class JSConfigurationKeys {
     public static final CompilerConfigurationKey<List<String>> SOURCE_MAP_SOURCE_ROOTS =
             CompilerConfigurationKey.create("base directories used to calculate relative paths for source map");
 
+    public static final CompilerConfigurationKey<SourceMapSourceEmbedding> SOURCE_MAP_EMBED_SOURCES =
+            CompilerConfigurationKey.create("embed source files into source map");
+
     public static final CompilerConfigurationKey<Boolean> META_INFO =
             CompilerConfigurationKey.create("generate .meta.js and .kjsm files");
 

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

@@ -113,6 +113,11 @@ public class JsConfig {
         return configuration.get(JSConfigurationKeys.SOURCE_MAP_SOURCE_ROOTS, Collections.singletonList("."));
     }
 
+    @NotNull
+    public SourceMapSourceEmbedding getSourceMapContentEmbedding() {
+        return configuration.get(JSConfigurationKeys.SOURCE_MAP_EMBED_SOURCES, SourceMapSourceEmbedding.INLINING);
+    }
+
     @NotNull
     public List<String> getFriends() {
         if (getConfiguration().getBoolean(JSConfigurationKeys.FRIEND_PATHS_DISABLED)) return Collections.emptyList();

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

@@ -0,0 +1,23 @@
+/*
+ * Copyright 2010-2017 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.js.config;
+
+public enum SourceMapSourceEmbedding {
+    NEVER,
+    ALWAYS,
+    INLINING
+}