[vala] (32 commits) Created branch wip/attributes

[Luca Bruno <lucabru src gnome org>]

The branch 'wip/attributes' was created.

Summary of new commits:

  9ead8e8... Specify default values in Attribute methods
  d56c027... Add attributes cache to code nodes
  8d15ee1... Add helper methods to CodeNode for dealing with attributes
  7c4df28... On-demand Delegate.has_target
  875ff70... On-demand Class.is_compact
  721c05a... On-demand Class.is_immutable
  67f8bc5... On-demand Struct.is_simple_type
  5119af9... On-demand Struct.is_boolean_type
  4f7200b... On-demand Struct.is_integer_type
  7824133... On-demand Struct.is_floating_type
  17a8d19... On-demand Struct.rank
  dbfefbb... On-demand Struct.width
  562542e... On-demand Struct.signed
  d633b8e... On-demand Struct.decimal_floating_type
  a42eaa6... On-demand Struct.is_immutable
  2118b01... On-demand Symbol.deprecated
  656122f... On-demand Symbol.deprecated_since
  1d63868... On-demand Symbol.replacement
  f250a6a... Drop Symbol.process_deprecated_attribute
  7621c9c... On-demand Symbol.experimental
  e44765d... Drop Symbol.process_experimental_attribute
  13b4da4... On-demand Method.has_construct_function
  0b9d3e9... On-demand Method.returns_floating_reference
  faf11a0... On-demand Method.printf_format and scanf_format
  7a4973c... Drop unused references to NoThrow attribute
  77b9d19... Drop destroy_function dependency from Struct.is_disposable
  736cde7... girparser: Do not use C specific methods of code nodes
  3150541... gidlparser: Do not use C specific methods of code nodes
  7171499... codewriter: Do not use C specific methods of code nodes
  0a30ec9... codegen: Add CCodeAttribute
  4205b99... girwriter: Don't use C specific methods of code nodes
  b9611bc... Drop C specific methods from the code tree