code generate the JS dom.kt file so its got full W3C DOM API compatibility based on the API that ships with the JDK

libraries/stdlib/test/org/jetbrains/kotlin/tools/GenerateJavaScriptStubs.kt

@@ -0,0 +1,80 @@
+package org.jetbrains.kotlin.tools
+
+import java.io.File
+import java.io.FileWriter
+import java.io.PrintWriter
+import org.w3c.dom.*
+
+/**
+* This tool generates JavaScript stubs for classes available in the JDK which are already available in the browser environment
+* such as the W3C DOM
+*/
+fun generateDomAPI(file: File): Unit {
+    write(file) {
+
+        println("""
+package org.w3c.dom
+
+//
+// NOTE THIS FILE IS AUTO-GENERATED by the GeneratedJavaScriptStubs.kt
+// See: https://github.com/JetBrains/kotlin/tree/master/libraries/stdlib
+//
+
+import js.noImpl
+
+// Contains stub APIs for the W3C DOM API so we can delegate to the platform DOM instead
+
+""")
+
+        val classes = arrayList(javaClass<Attr>(), javaClass<CDATASection>(),
+                javaClass<CharacterData>(), javaClass<Comment>(),
+                javaClass<Document>(),javaClass<DocumentFragment>(),javaClass<DocumentType>(),
+                javaClass<DOMConfiguration>(),
+                javaClass<DOMError>(), javaClass<DOMErrorHandler>(),
+                javaClass<DOMImplementation>(),
+                javaClass<DOMLocator>(),
+                javaClass<DOMStringList>(),
+                javaClass<Element>(),
+                javaClass<Entity>(), javaClass<EntityReference>(),
+                javaClass<NameList>(), javaClass<NamedNodeMap>(), javaClass<Node>(), javaClass<NodeList>(),
+                javaClass<Notation>(), javaClass<ProcessingInstruction>(),
+                javaClass<Text>(), javaClass<TypeInfo>(),
+                javaClass<UserDataHandler>())
+
+        fun simpleTypeName(klass: Class<out Any?>?): String {
+            val answer = klass?.getSimpleName()?.capitalize() ?: "Unit"
+            return if (answer == "Void") "Unit" else if (answer == "Object") "Any" else answer
+        }
+
+        for (klass in classes) {
+            val interfaces = klass.getInterfaces()
+            val extends = if (interfaces != null && interfaces.size == 1) ": ${interfaces[0]?.getSimpleName()}" else ""
+
+            println("native public trait ${klass.getSimpleName()}$extends {")
+
+            // lets iterate through each method
+            val methods = klass.getDeclaredMethods()
+            if (methods != null) {
+                for (method in methods) {
+                    if (method != null) {
+                        val parameterTypes = method.getParameterTypes()!!
+
+                        // TODO in java 7 its not easy with reflection to get the parameter argument name...
+                        var counter = 0
+                        val parameters = parameterTypes.map<Class<out Any?>?, String>{ "arg${++counter}: ${simpleTypeName(it)}" }.makeString(", ")
+                        val returnType = simpleTypeName(method.getReturnType())
+                        println("    fun ${method.getName()}($parameters): $returnType = js.noImpl")
+                    }
+                }
+            }
+            println("}")
+            println("")
+        }
+    }
+}
+
+fun write(file: File, block: PrintWriter.() -> Unit): Unit {
+    println("Generating file: ${file.getCanonicalPath()}")
+    val writer = PrintWriter(FileWriter(file))
+    writer.use { writer.block() }
+}

libraries/stdlib/test/org/jetbrains/kotlin/tools/GenerateStandardLib.kt

@@ -8,7 +8,14 @@ fun generateFile(outFile: File, header: String, inputFile: File, f: (String)-> S
     outFile.getParentFile()?.mkdirs()
     val writer = PrintWriter(FileWriter(outFile))
     try {
-        writer.println("// NOTE this file is auto-generated from $inputFile")
+        writer.println("""
+//
+// NOTE THIS FILE IS AUTO-GENERATED by the GenerateStandardLib.kt
+// See: https://github.com/JetBrains/kotlin/tree/master/libraries/stdlib
+//
+// Generated from input file: $inputFile
+//
+""")
         writer.println(header)
 
         val reader = FileReader(inputFile).buffered()
@@ -48,6 +55,10 @@ fun main(args: Array<String>) {
     }
     val outDir = File(srcDir, "../generated")
 
+    val jsCoreDir = File(srcDir, "../../../../js/js.libraries/src/core")
+    require(jsCoreDir.exists())
+    generateDomAPI(File(jsCoreDir, "dom.kt"))
+
     val otherArrayNames = arrayList("Boolean", "Byte", "Char", "Short", "Int", "Long", "Float", "Double")
 
     // JLangIterables - Generic iterable stuff