2008-01-15  Juerg Billeter  <j@bitron.ch>

	* vala/parser.y, vala/scanner.l, vala/valaclass.vala,
	  vala/valainterface.vala, vala/valamethod.vala,
	  vala/valasemanticanalyzer.vala, vala/valastruct.vala,
	  gobject/valaccodegeneratormethod.vala: add basic support for
	  method pre- and postconditions

svn path=/trunk/; revision=838