config.kb support for extra_annotation_name compiler flag

via extra_annotations yaml key

bin/kbuild

@@ -36,7 +36,7 @@ def get_closure_roots(closure_path):
     return [path.join(closure_path, p) for p in roots]
 
 
-def get_compiler_flags(closure_path, debug=False, closure_entry_point=None, language_in=None):
+def get_compiler_flags(closure_path, debug=False, closure_entry_point=None, language_in=None, extra_annotations=[]):
     compilerflags = []
     compilerflags += ["--compilation_level=ADVANCED_OPTIMIZATIONS"]
     compilerflags += ["--summary_detail_level=3"]
@@ -82,6 +82,9 @@ def get_compiler_flags(closure_path, debug=False, closure_entry_point=None, lang
         compilerflags += ['--closure_entry_point=%s' % closure_entry_point]
     if language_in:
         compilerflags += ['--language_in=%s' % language_in]
+    if any(extra_annotations):
+        for annotation in extra_annotations:
+            compilerflags += ['--extra_annotation_name=%s' % annotation]
 
     # to eliminate errors about unfound closure dependencies
     # http://groups.google.com/group/closure-compiler-discuss/msg/7d089cc101a2cf00?pli=1
@@ -170,12 +173,12 @@ def lint(fix_paths, fix_exclude_paths=[]):
     return command
 
 
-def compile(closure_path, js_paths, inputs, compile_path, externs=[], debug=False, closure_entry_point=None, language_in=None):
+def compile(closure_path, js_paths, inputs, compile_path, externs=[], debug=False, closure_entry_point=None, language_in=None, extra_annotations=[]):
     command = ['python', get_closurebuilder_path(closure_path)]
     command += ['-o', 'compiled']
     command += ['--compiler_jar', COMPILER_PATH]
 
-    for flag in get_compiler_flags(closure_path, debug, closure_entry_point, language_in):
+    for flag in get_compiler_flags(closure_path, debug, closure_entry_point, language_in, extra_annotations):
         command += ['-f', flag]
 
     for extern in externs: