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https://github.com/rust-lang/rust
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rustdoc: Add fold_const and fold_constlist to fold
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@ -1,3 +1,6 @@
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// FIXME: Random import to solve the mystery resolve bug
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import std;
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export fold;
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export fold_crate, fold_mod, fold_fn, fold_modlist, fold_fnlist;
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export default_seq_fold;
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@ -11,16 +14,23 @@
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type fold_crate<T> = fn~(fold: fold<T>, doc: doc::cratedoc) -> doc::cratedoc;
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type fold_mod<T> = fn~(fold: fold<T>, doc: doc::moddoc) -> doc::moddoc;
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type fold_fn<T> = fn~(fold: fold<T>, doc: doc::fndoc) -> doc::fndoc;
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type fold_modlist<T> = fn~(fold: fold<T>,list: doc::modlist) -> doc::modlist;
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type fold_fnlist<T> = fn~(fold: fold<T>,list: doc::fnlist) -> doc::fnlist;
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type fold_const<T> = fn~(fold: fold<T>, doc: doc::constdoc) -> doc::constdoc;
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type fold_modlist<T> = fn~(fold: fold<T>, list: doc::modlist) -> doc::modlist;
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type fold_fnlist<T> = fn~(fold: fold<T>, list: doc::fnlist) -> doc::fnlist;
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type fold_constlist<T> = fn~(
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fold: fold<T>,
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list: doc::constlist
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) -> doc::constlist;
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type t<T> = {
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ctxt: T,
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fold_crate: fold_crate<T>,
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fold_mod: fold_mod<T>,
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fold_fn: fold_fn<T>,
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fold_const: fold_const<T>,
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fold_modlist: fold_modlist<T>,
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fold_fnlist: fold_fnlist<T>
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fold_fnlist: fold_fnlist<T>,
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fold_constlist: fold_constlist<T>
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};
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@ -31,16 +41,20 @@ fn mk_fold<T:copy>(
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fold_crate: fold_crate<T>,
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fold_mod: fold_mod<T>,
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fold_fn: fold_fn<T>,
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fold_const: fold_const<T>,
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fold_modlist: fold_modlist<T>,
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fold_fnlist: fold_fnlist<T>
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fold_fnlist: fold_fnlist<T>,
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fold_constlist: fold_constlist<T>
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) -> fold<T> {
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fold({
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ctxt: ctxt,
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fold_crate: fold_crate,
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fold_mod: fold_mod,
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fold_fn: fold_fn,
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fold_const: fold_const,
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fold_modlist: fold_modlist,
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fold_fnlist: fold_fnlist
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fold_fnlist: fold_fnlist,
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fold_constlist: fold_constlist
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})
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}
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@ -50,8 +64,10 @@ fn default_seq_fold<T:copy>(ctxt: T) -> fold<T> {
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{|f, d| default_seq_fold_crate(f, d)},
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{|f, d| default_seq_fold_mod(f, d)},
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{|f, d| default_seq_fold_fn(f, d)},
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{|f, d| default_seq_fold_const(f, d)},
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{|f, d| default_seq_fold_modlist(f, d)},
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{|f, d| default_seq_fold_fnlist(f, d)}
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{|f, d| default_seq_fold_fnlist(f, d)},
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{|f, d| default_seq_fold_constlist(f, d)}
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)
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}
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@ -82,6 +98,13 @@ fn default_seq_fold_fn<T>(
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doc
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}
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fn default_seq_fold_const<T>(
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_fold: fold<T>,
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doc: doc::constdoc
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) -> doc::constdoc {
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doc
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}
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fn default_seq_fold_modlist<T>(
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fold: fold<T>,
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list: doc::modlist
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@ -100,15 +123,31 @@ fn default_seq_fold_fnlist<T>(
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})
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}
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#[cfg(test)]
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mod tests {
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#[test]
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fn default_fold_should_produce_same_doc() {
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let source = "mod a { fn b() { } mod c { fn d() { } } }";
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let ast = parse::from_str(source);
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let doc = extract::extract(ast, "");
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let fld = default_seq_fold(());
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let folded = fld.fold_crate(fld, doc);
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assert doc == folded;
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}
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fn default_seq_fold_constlist<T>(
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fold: fold<T>,
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list: doc::constlist
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) -> doc::constlist {
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doc::constlist(vec::map(*list) {|doc|
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fold.fold_const(fold, doc)
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})
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}
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#[test]
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fn default_fold_should_produce_same_doc() {
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let source = "mod a { fn b() { } mod c { fn d() { } } }";
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let ast = parse::from_str(source);
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let doc = extract::extract(ast, "");
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let fld = default_seq_fold(());
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let folded = fld.fold_crate(fld, doc);
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assert doc == folded;
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}
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#[test]
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fn default_fold_should_produce_same_consts() {
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let source = "const a: int = 0;";
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let ast = parse::from_str(source);
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let doc = extract::extract(ast, "");
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let fld = default_seq_fold(());
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let folded = fld.fold_crate(fld, doc);
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assert doc == folded;
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}
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