2006-06-14  Jürg Billeter  <j@bitron.ch>

	* vala/parser.y: set is_lvalue_ref in property declarations
	* vala/valacodecontext.vala: use non-null parameter types
	* vala/valasymbolresolver.vala: fix lookup in namespaces of using
	  directives, reset is_lvalue_ref where appropriate
	* vala/valasemanticanalyzer.vala: use non-null parameter types,
	  correctly set is_ref and is_lvalue_ref in variable declarators
	* vala/valamemorymanager.vala: support methods which transfer ownership
	  of arguments and or return value, analyze assignments
	* vala/valacodegenerator.vala: add missing reference increment calls,
	  small memory management improvements
	* vala/valaclass.vala: use non-null parameter types
	* vala/valaexpression.vala: add ref_missing
	* vala/valastruct.vala: support ref_function attribute, use non-null
	  parameter types
	* vala/valatype.vala: let get_upper_case_cname return ref string
	* vala/valatypereference.vala: add copy method
	* ccode/valaccodeconditionalexpression.vala
	* ccode/valaccodefunctioncall.vala: use non-null parameter types
	* ccode/Makefile.am: update
	* compiler/valacompiler.vala: process attributes before resolving
	  symbols to have reference_type information available in resolver
	* vapi/glib-2.0.vala: add ref_function attributes to string and List,
	  use ref parameters in List and HashTable until the compiler can handle
	  it correctly

svn path=/trunk/; revision=44