[rakudo] Start to refactor declare_attribute a bit so it mostly doesn't dive into the parse tree, but instead takes parameters providing the information it needs. This is a step on making has ($.a, $.b) style things work.
[rakudo] Start to refactor declare_attribute a bit so it mostly doesn't dive into the parse tree, but instead takes parameters providing the information it needs. This is a step on making has ($.a, $.b) style things work.

git-svn-id: 6e74a02f85675cec270f5d931b0f6998666294a3@29164 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

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