private void DeclareConstant(Type constType, string name, Expression value)
{
Ast.Constant con;
if (constType.IsArray)
{
var nai = value.Expect <NewArrayExpression> (ExpressionType.NewArrayInit);
con = Ast.Const(constType.GetElementType(), name, nai.Expressions.Count, Expr(value));
}
else
{
con = Ast.Const(constType, name, Expr(value));
}
_currentScope.CodeOut(GlslAst.DeclConst(con));
_constants.Add(name, con);
}