ast: remove implicit pprust dependency via Display.
Instead just use `pprust::path_to_string(..)` where needed. This has two benefits: a) The AST definition is now independent of printing it. (Therefore we get closer to extracting a data-crate.) b) Debugging should be easier as program flow is clearer.
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15 changed files with 88 additions and 47 deletions
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@ -46,6 +46,7 @@ use serialize::json::{ToJson, Json, as_json};
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use syntax::ast;
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use syntax::edition::Edition;
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use syntax::ext::base::MacroKind;
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use syntax::print::pprust;
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use syntax::source_map::FileName;
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use syntax::feature_gate::UnstableFeatures;
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use syntax::symbol::{Symbol, sym};
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@ -2957,7 +2958,7 @@ fn item_enum(w: &mut Buffer, cx: &Context, it: &clean::Item, e: &clean::Enum) {
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}
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fn render_attribute(attr: &ast::MetaItem) -> Option<String> {
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let path = attr.path.to_string();
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let path = pprust::path_to_string(&attr.path);
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if attr.is_word() {
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Some(path)
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