JS: read compiled js modules

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

@@ -67,6 +67,11 @@ public class LibrarySourcesConfig extends Config {
         this.files = files;
     }
 
+    @NotNull
+    public List<String> getLibraries() {
+        return files;
+    }
+
     @NotNull
     @Override
     protected List<JetFile> generateLibFiles() {

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

@@ -0,0 +1,56 @@
+/*
+ * Copyright 2010-2015 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.inline
+
+import org.jetbrains.kotlin.js.config.LibrarySourcesConfig
+import org.jetbrains.kotlin.js.translate.context.TranslationContext
+import org.jetbrains.kotlin.utils.*
+
+import java.io.*
+
+// TODO: add hash checksum to defineModule?
+/**
+ * Matches string like Kotlin.defineModule("stdlib", _)
+ * Kotlin, _ can be renamed by minifier, quotes type can be changed too (" to ')
+ */
+private val DEFINE_MODULE_PATTERN = "(\\w+)\\.defineModule\\(\\s*(['\"])(\\w+)\\2\\s*,\\s*(\\w+)\\s*\\)".toRegex()
+
+public class FunctionReader(private val context: TranslationContext) {
+    /**
+     * Maps module name to .js file content, that contains this module definition.
+     * One file can contain more than one module definition.
+     */
+    private val moduleJsDefinition = hashMapOf<String, String>();
+
+    {
+        val config = context.getConfig() as LibrarySourcesConfig
+        val libs = config.getLibraries().map { File(it) }
+        val jsLibs = libs.filter { it.exists() && LibraryUtils.isKotlinJavascriptLibrary(it) }
+        val files = LibraryUtils.readJsFiles(jsLibs.map { it.getPath() }.toList())
+
+        for (file in files) {
+            val matcher = DEFINE_MODULE_PATTERN.matcher(file)
+
+            while (matcher.find()) {
+                val moduleName = matcher.group(3)
+                assert(moduleName !in moduleJsDefinition) { "Module is defined in more, than one file" }
+                moduleJsDefinition[moduleName] = file
+            }
+        }
+    }
+
+}