Add support for BinaryName attribute to servo's codegen (fixes #4435) r=jdm

1 files changed, 17 insertions, 0 deletions

diff --git a/components/script/dom/bindings/codegen/Configuration.py b/components/script/dom/bindings/codegen/Configuration.py
index 8944070f09c..e6712357d35 100644
--- a/components/script/dom/bindings/codegen/Configuration.py
+++ b/components/script/dom/bindings/codegen/Configuration.py
@@ -251,6 +251,20 @@ class Descriptor(DescriptorProvider):
                 else:
                     add('all', [config], attribute)
 
+        self._binaryNames = desc.get('binaryNames', {})
+        self._binaryNames.setdefault('__legacycaller', 'LegacyCall')
+        self._binaryNames.setdefault('__stringifier', 'Stringify')
+
+        for member in self.interface.members:
+            if not member.isAttr() and not member.isMethod():
+                continue
+            binaryName = member.getExtendedAttribute("BinaryName")
+            if binaryName:
+                assert isinstance(binaryName, list)
+                assert len(binaryName) == 1
+                self._binaryNames.setdefault(member.identifier.name,
+                                             binaryName[0])
+
         # Build the prototype chain.
         self.prototypeChain = []
         parent = interface
@@ -260,6 +274,9 @@ class Descriptor(DescriptorProvider):
         config.maxProtoChainLength = max(config.maxProtoChainLength,
                                          len(self.prototypeChain))
 
+    def binaryNameFor(self, name):
+        return self._binaryNames.get(name, name)
+
     def getExtendedAttributes(self, member, getter=False, setter=False):
         def maybeAppendInfallibleToAttrs(attrs, throws):
             if throws is None: