Support default values for arrays of POD data types in mojom.

Support default values for arrays of POD data types in mojom.

TODO: defaults values for structs

BUG=320082
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=246994

[Matt Perry, 2014-01-21 23:01:50]

This builds upon https://codereview.chromium.org/138143003/

[darin (slow to review), 2014-01-23 22:56:55]

LGTM

[commit-bot: I haz the power, 2014-01-23 23:13:45]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/mpcomplete@chromium.org/141893004/40001

[commit-bot: I haz the power, 2014-01-24 01:54:50]

Retried try job too often on win_rel for step(s) browser_tests
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=win_rel&nu...

[commit-bot: I haz the power, 2014-01-24 19:24:49]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/mpcomplete@chromium.org/141893004/40001

[commit-bot: I haz the power, 2014-01-24 19:25:10]

Failed to apply patch for mojo/public/bindings/parse/mojo_parser.py:
While running patch -p1 --forward --force --no-backup-if-mismatch;
  A         mojo/public/bindings/parse
  Created missing directory mojo/public/bindings/parse.
  can't find file to patch at input line 6
  Perhaps you used the wrong -p or --strip option?
  The text leading up to this was:
  --------------------------
  |Index: mojo/public/bindings/parse/mojo_parser.py
  |diff --git a/mojo/public/bindings/parse/mojo_parser.py
b/mojo/public/bindings/parse/mojo_parser.py
  |index
b7ea3e316a4d27212c64f6998320f2bc31def8a4..aef49ab2cf7532184a111e55e67a711822f55cfd
100755
  |--- a/mojo/public/bindings/parse/mojo_parser.py
  |+++ b/mojo/public/bindings/parse/mojo_parser.py
  --------------------------
  No file to patch.  Skipping patch.
  2 out of 2 hunks ignored

Patch:       mojo/public/bindings/parse/mojo_parser.py
Index: mojo/public/bindings/parse/mojo_parser.py
diff --git a/mojo/public/bindings/parse/mojo_parser.py
b/mojo/public/bindings/parse/mojo_parser.py
index
b7ea3e316a4d27212c64f6998320f2bc31def8a4..aef49ab2cf7532184a111e55e67a711822f55cfd
100755
--- a/mojo/public/bindings/parse/mojo_parser.py
+++ b/mojo/public/bindings/parse/mojo_parser.py
@@ -100,6 +100,7 @@ class Parser(object):
 
   def p_default(self, p):
     """default : EQUALS expression
+               | EQUALS expression_array
                | """
     if len(p) > 2:
       p[0] = p[2]
@@ -188,6 +189,23 @@ class Parser(object):
 
   ### Expressions ###
 
+  def p_expression_array(self, p):
+    """expression_array : expression
+                        | LBRACKET expression_array_elements RBRACKET """
+    if len(p) < 3:
+      p[0] = p[1]
+    else:
+      p[0] = p[2]
+
+  def p_expression_array_elements(self, p):
+    """expression_array_elements : expression
+                                 | expression COMMA expression_array_elements
+                                 | """
+    if len(p) == 2:
+      p[0] = ListFromConcat(p[1])
+    elif len(p) > 3:
+      p[0] = ListFromConcat(p[1], p[3])
+
   def p_expression(self, p):
     """expression : conditional_expression"""
     p[0] = p[1]

[commit-bot: I haz the power, 2014-01-24 19:34:10]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/mpcomplete@chromium.org/141893004/410001

[commit-bot: I haz the power, 2014-01-24 20:25:51]

Retried try job too often on win_rel for step(s) telemetry_perf_unittests
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=win_rel&nu...

[commit-bot: I haz the power, 2014-01-24 21:07:25]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/mpcomplete@chromium.org/141893004/410001

[commit-bot: I haz the power, 2014-01-24 22:56:20]

Change committed as 246994