Proc to AST applied to potential foundation for SQL hackery

proc_ast_sql.rb

require 'proc_to_ast'

def where(&fn)
  ast = fn.to_ast
  source = fn.to_source

  pp ast:, source:
end

where { age > 18 && occupation.downcase == 'plumber' }

# OUTPUT:
{:ast=>
  s(:block,
  s(:send, nil, :where),
  s(:args),
  s(:and,
    s(:send,
      s(:send, nil, :age), :>,
      s(:int, 18)),
    s(:send,
      s(:send,
        s(:send, nil, :occupation), :downcase), :==,
      s(:str, "plumber")))),
 :source=>"where {\n" + "  age > 18 && occupation.downcase == \"plumber\"\n" + "}"}