IDL: Support iterable<>, maplike<> and setlike<> syntax

Source/bindings/scripts/idl_definitions.py

Index: Source/bindings/scripts/idl_definitions.py
diff --git a/Source/bindings/scripts/idl_definitions.py b/Source/bindings/scripts/idl_definitions.py
index ce978647117f4457440bf6c865c52a0f66d8a8de..d026f0f21ff4ad6d8c555c626b15daa44941a0e4 100644
--- a/Source/bindings/scripts/idl_definitions.py
+++ b/Source/bindings/scripts/idl_definitions.py
@@ -270,6 +270,9 @@ class IdlInterface(object):
         self.operations = []
         self.parent = None
         self.stringifier = None
+        self.iterable = None
+        self.maplike = None
+        self.setlike = None
         self.original_interface = None
         self.partial_interfaces = []
         if not node:  # Early exit for IdlException.__init__
@@ -303,9 +306,18 @@ class IdlInterface(object):
             elif child_class == 'Stringifier':
                 self.stringifier = IdlStringifier(idl_name, child)
                 self.process_stringifier()
+            elif child_class == 'Iterable':
+                self.iterable = IdlIterable(idl_name, child)
+            elif child_class == 'Maplike':
+                self.maplike = IdlMaplike(idl_name, child)
+            elif child_class == 'Setlike':
+                self.setlike = IdlSetlike(idl_name, child)
             else:
                 raise ValueError('Unrecognized node class: %s' % child_class)
 
+        if len(filter(None, [self.iterable, self.maplike, self.setlike])) > 1:
+            raise ValueError('Interface can only have one of iterable<>, maplike<> and setlike<>.')
+
     def resolve_typedefs(self, typedefs):
         for attribute in self.attributes:
             attribute.resolve_typedefs(typedefs)
@@ -637,6 +649,49 @@ class IdlStringifier(object):
 
 
 ################################################################################
+# Iterable, Maplike, Setlike
+################################################################################
+
+class IdlIterable(object):
+    def __init__(self, idl_name, node):
+        children = node.GetChildren()
+
+        if len(children) == 1:
+            self.key_type = None
+            self.value_type = type_node_to_type(children[0])
+        elif len(children) == 2:
+            self.key_type = type_node_to_type(children[0])
+            self.value_type = type_node_to_type(children[1])
+        else:
+            raise ValueError('Unexpected number of children: %d' % len(children))
+
+
+class IdlMaplike(object):
+    def __init__(self, idl_name, node):
+        self.is_read_only = node.GetProperty('READONLY') or False

[yhirano, 2015/01/09 02:30:01]

bool(node.GetProperty('READONLY'))

[Jens Widell, 2015/01/09 07:15:04]

Done.

I had simply copied this from IdlAttribute, and it matched how all other boolean
properties were accessed, but since I agree bool() is better, I changed this and
all other boolean property accesses to use bool().

+
+        children = node.GetChildren()
+
+        if len(children) == 2:
+            self.key_type = type_node_to_type(children[0])
+            self.value_type = type_node_to_type(children[1])
+        else:
+            raise ValueError('Unexpected number of children: %d' % len(children))
+
+
+class IdlSetlike(object):
+    def __init__(self, idl_name, node):
+        self.is_read_only = node.GetProperty('READONLY') or False

[yhirano, 2015/01/09 02:30:01]

ditto

[Jens Widell, 2015/01/09 07:15:04]

Done.

+
+        children = node.GetChildren()
+
+        if len(children) == 1:
+            self.value_type = type_node_to_type(children[0])
+        else:
+            raise ValueError('Unexpected number of children: %d' % len(children))
+
+
+################################################################################
 # Implement statements
 ################################################################################