use IntegerType, FloatingType, and rank attributes to analyze arithmetic

use IntegerType, FloatingType, and rank attributes to analyze arithmetic

2006-09-02  Jürg Billeter  <j@bitron.ch>

	* vala/valasemanticanalyzer.vala: use IntegerType, FloatingType, and
	  rank attributes to analyze arithmetic operations
	* vala/valacodegenerator.vala: generate C casts for explicit value-type
	  casts
	* vala/valastruct.vala: add is_integer_type, is_floating_type, and
	  get_rank methods, add IntegerType and FloatingType attributes
	* vala/valasemanticanalyzer.vala, vala/valacastexpression.vala,
	  vala/valainstancecast.vala, ccode/valaccodecastexpression.vala: fix
	  typos
	* vapi/glib-2.0.vala: add int16, uint16, int32, uint32, use IntegerType
	  and FloatingType attributes

svn path=/trunk/; revision=117