fixes #219, able to compile multiple entry points

lib/src/codegen/html_codegen.dart

Index: lib/src/codegen/html_codegen.dart
diff --git a/lib/src/codegen/html_codegen.dart b/lib/src/codegen/html_codegen.dart
index f6f2332f630837fa433cc075ae561acfc3a4fd39..08ea0dc796c0b11a64d8349bea695069da905a41 100644
--- a/lib/src/codegen/html_codegen.dart
+++ b/lib/src/codegen/html_codegen.dart
@@ -9,12 +9,10 @@ import 'package:html/parser.dart' show parseFragment;
 import 'package:logging/logging.dart' show Logger;
 import 'package:path/path.dart' as path;
 
-import 'package:dev_compiler/src/dependency_graph.dart';
-import 'package:dev_compiler/src/options.dart';
+import 'package:dev_compiler/src/compiler.dart' show AbstractCompiler;
+import 'package:dev_compiler/src/server/dependency_graph.dart';
 import 'package:dev_compiler/src/utils.dart' show colorOf, resourceOutputPath;
 
-import 'js_codegen.dart' show jsOutputPath, jsOutputBase;
-
 /// Emits an entry point HTML file corresponding to [inputFile] that can load
 /// the code generated by the dev compiler.
 ///
@@ -24,7 +22,8 @@ import 'js_codegen.dart' show jsOutputPath, jsOutputBase;
 /// application. When compiling to Dart, we ensure that the document contains a
 /// single Dart script tag, but otherwise emit the original document
 /// unmodified.
-String generateEntryHtml(HtmlSourceNode root, CompilerOptions options) {
+String generateEntryHtml(HtmlSourceNode root, AbstractCompiler compiler) {
+  var options = compiler.options;
   var document = root.document.clone(true);
   var scripts = document.querySelectorAll('script[type="application/dart"]');
   if (scripts.isEmpty) {
@@ -73,7 +72,7 @@ String generateEntryHtml(HtmlSourceNode root, CompilerOptions options) {
       resourcePath = _addHash(resourcePath, resource.cachingHash);
     }
     if (ext == '.js') {
-      fragment.nodes.add(_libraryInclude(resourcePath));
+      fragment.nodes.add(libraryInclude(resourcePath));
     } else if (ext == '.css') {
       var stylesheetLink = '<link rel="stylesheet" href="$resourcePath">\n';
       fragment.nodes.add(parseFragment(stylesheetLink));
@@ -84,24 +83,29 @@ String generateEntryHtml(HtmlSourceNode root, CompilerOptions options) {
   for (var lib in libraries) {
     var info = lib.info;
     if (info == null) continue;
-    var jsPath = jsOutputPath(info.library, root.uri);
-    if (info.isEntry) mainLibraryName = jsOutputBase(info.library, root.uri);
+    var uri = info.library.source.uri;
+    var jsPath = compiler.getModulePath(uri);
+    if (info.isEntry) mainLibraryName = compiler.getModuleName(uri);
     if (lib.cachingHash != null) {
       jsPath = _addHash(jsPath, lib.cachingHash);
     }
-    fragment.nodes.add(_libraryInclude(jsPath));
+    fragment.nodes.add(libraryInclude(jsPath));
   }
-  fragment.nodes.add(_invokeMain(mainLibraryName));
+  fragment.nodes.add(invokeMain(mainLibraryName));
   scripts[0].replaceWith(fragment);
   return '${document.outerHtml}\n';
 }
 
+// TODO(jmesserly): the string interpolation in these could lead to injection
+// bugs. Not really a security issue since input is trusted, but the resulting
+// parse tree may not match expectations if interpolated strings contain quotes.
+
 /// A script tag that loads the .js code for a compiled library.
-Node _libraryInclude(String jsUrl) =>
+Node libraryInclude(String jsUrl) =>
     parseFragment('<script src="$jsUrl"></script>\n');
 
 /// A script tag that invokes the main function on the entry point library.
-Node _invokeMain(String mainLibraryName) {
+Node invokeMain(String mainLibraryName) {
   var code = mainLibraryName == null
       ? 'console.error("dev_compiler error: main was not generated");'
       // TODO(vsm): Can we simplify this?