support single-line comments, ASSIGN, PLUS, RETURN, LITERAL_INTEGER,

support single-line comments, ASSIGN, PLUS, RETURN, LITERAL_INTEGER,

2006-04-24  Jürg Billeter  <j@bitron.ch>

	* valac/scanner.l: support single-line comments, ASSIGN, PLUS, RETURN,
	  LITERAL_INTEGER, LITERAL_STRING
	* valac/parser.y: add basic statements and expressions
	* valac/context.h: add ValaStatement, ValaVariableDeclaration,
	  ValaVariableDeclarator, and ValaExpression structs
	* valac/context.c: remove unreachable line

svn path=/trunk/; revision=4