Initial work on Dart bindings for Mojo.

mojo/public/tools/bindings/mojom.gni

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # Generate C++ and JavaScript source files from mojom files. The output files
 # will go under the generated file directory tree with the same path as each
 # input file.
 #
 # Parameters:
 #
@@ skipping 47 matching lines @@
     "$generator_root/generators/java_templates/struct.java.tmpl",
     "$generator_root/generators/java_templates/struct_definition.tmpl",
     "$generator_root/generators/js_templates/enum_definition.tmpl",
     "$generator_root/generators/js_templates/interface_definition.tmpl",
     "$generator_root/generators/js_templates/module.amd.tmpl",
     "$generator_root/generators/js_templates/module.sky.tmpl",
     "$generator_root/generators/js_templates/module_definition.tmpl",
     "$generator_root/generators/js_templates/struct_definition.tmpl",
     "$generator_root/generators/python_templates/module_macros.tmpl",
     "$generator_root/generators/python_templates/module.py.tmpl",
+    "$generator_root/generators/dart_templates/module.lib.tmpl",
+    "$generator_root/generators/dart_templates/module_definition.tmpl",
+    "$generator_root/generators/dart_templates/enum_definition.tmpl",
+    "$generator_root/generators/dart_templates/struct_definition.tmpl",
+    "$generator_root/generators/dart_templates/interface_definition.tmpl",
     "$generator_root/generators/mojom_cpp_generator.py",
     "$generator_root/generators/mojom_js_generator.py",
     "$generator_root/generators/mojom_java_generator.py",
     "$generator_root/generators/mojom_python_generator.py",
+    "$generator_root/generators/mojom_dart_generator.py",
     "$generator_root/pylib/mojom/__init__.py",
     "$generator_root/pylib/mojom/error.py",
     "$generator_root/pylib/mojom/generate/__init__.py",
     "$generator_root/pylib/mojom/generate/data.py",
     "$generator_root/pylib/mojom/generate/generator.py",
     "$generator_root/pylib/mojom/generate/module.py",
     "$generator_root/pylib/mojom/generate/pack.py",
     "$generator_root/pylib/mojom/generate/template_expander.py",
     "$generator_root/pylib/mojom/parse/__init__.py",
     "$generator_root/pylib/mojom/parse/ast.py",
     "$generator_root/pylib/mojom/parse/lexer.py",
     "$generator_root/pylib/mojom/parse/parser.py",
     "$generator_root/pylib/mojom/parse/translate.py",
   ]
   generator_cpp_outputs = [
     "{{source_gen_dir}}/{{source_name_part}}.mojom.cc",
     "{{source_gen_dir}}/{{source_name_part}}.mojom.h",
     "{{source_gen_dir}}/{{source_name_part}}.mojom-internal.h",
   ]
   generator_java_outputs = [
     "{{source_gen_dir}}/{{source_name_part}}.mojom.srcjar",
   ]
   generator_js_outputs = [
     "{{source_gen_dir}}/{{source_name_part}}.mojom.js",
   ]
   generator_python_outputs = [
     "{{source_gen_dir}}/{{source_name_part}}_mojom.py",
   ]
+  generator_dart_outputs = [
+    "{{source_gen_dir}}/{{source_name_part}}.mojom.dart",
+  ]
 
   if (defined(invoker.visibility)) {
     # Need to save this because the the target_name is overwritten inside the
     # action to be that of the action itself. Only define this in the case the
     # var is used to avoid unused var error.
     target_visibility = [ ":$target_name" ]
   }
 
   generator_target_name = target_name + "__generator"
   action_foreach(generator_target_name) {
     if (defined(invoker.visibility)) {
       visibility = target_visibility + invoker.visibility
     }
     script = generator_script
     inputs = generator_sources
     sources = invoker.sources
     outputs = generator_cpp_outputs +
               generator_java_outputs +
               generator_js_outputs +
-              generator_python_outputs
+              generator_python_outputs +
+              generator_dart_outputs
     args = [
       "{{source}}",
       "--use_chromium_bundled_pylibs",
       "-d", rebase_path("//", root_build_dir),
       "-I", rebase_path("//", root_build_dir),
       "-o", rebase_path(root_gen_dir),
     ]
   }
 
   source_set(target_name) {
@@ skipping 54 matching lines @@
         # //mojo/something:something and we can append "_java" to get the java
         # dependency name.
         full_name = get_label_info(d, "label_no_toolchain")
         deps += [ "${full_name}_java" ]
       }
 
       srcjars = process_file_template(invoker.sources, generator_java_outputs)
     }
   }
 }