Update mojo sdk to rev 59145288bae55b0fce4276b017df6a1117bcf00f

mojo/public/tools/bindings/pylib/mojom/parse/parser.py

Index: mojo/public/tools/bindings/pylib/mojom/parse/parser.py
diff --git a/mojo/public/tools/bindings/pylib/mojom/parse/parser.py b/mojo/public/tools/bindings/pylib/mojom/parse/parser.py
index e5269c7fd5f7fbbb942c699692396419a79c8a4b..4225f0a7f2373e293f385b2ff2384e76ff318229 100644
--- a/mojo/public/tools/bindings/pylib/mojom/parse/parser.py
+++ b/mojo/public/tools/bindings/pylib/mojom/parse/parser.py
@@ -21,7 +21,7 @@ def _GetDirAbove(dirname):
 try:
   imp.find_module("ply")
 except ImportError:
-  sys.path.append(os.path.join(_GetDirAbove("mojo"), "third_party"))
+  sys.path.append(os.path.join(_GetDirAbove("public"), "public/third_party"))
 from ply import lex
 from ply import yacc
 
@@ -114,6 +114,7 @@ class Parser(object):
 
   def p_definition(self, p):
     """definition : struct
+                  | union
                   | interface
                   | enum
                   | const"""
@@ -173,6 +174,23 @@ class Parser(object):
     """struct_field : typename NAME ordinal default SEMI"""
     p[0] = ast.StructField(p[2], p[3], p[1], p[4])
 
+  def p_union(self, p):
+    """union : UNION NAME LBRACE union_body RBRACE SEMI"""
+    p[0] = ast.Union(p[2], p[4])
+
+  def p_union_body_1(self, p):
+    """union_body : """
+    p[0] = ast.UnionBody()
+
+  def p_union_body_2(self, p):
+    """union_body : union_body union_field"""
+    p[0] = p[1]
+    p[1].Append(p[2])
+
+  def p_union_field(self, p):
+    """union_field : typename NAME ordinal SEMI"""
+    p[0] = ast.UnionField(p[2], p[3], p[1])
+
   def p_default_1(self, p):
     """default : """
     p[0] = None