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Use rewrite instead of visitor for attributes

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This commit is contained in:
topecongiro 2017-06-12 17:25:07 +09:00
parent 272b0b6f49
commit 9df1509d19
1 changed files with 4 additions and 11 deletions
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15
src/expr.rs
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@ -1321,20 +1321,13 @@ impl Rewrite for ast::Arm {
ref body,
} = self;
// FIXME this is all a bit grotty, would be nice to abstract out the
// treatment of attributes.
let attr_str = if !attrs.is_empty() {
// We only use this visitor for the attributes, should we use it for
// more?
let mut attr_visitor = FmtVisitor::from_codemap(context.parse_session, context.config);
attr_visitor.block_indent = shape.indent.block_only();
attr_visitor.last_pos = attrs[0].span.lo;
if attr_visitor.visit_attrs(attrs) {
// Attributes included a skip instruction.
if contains_skip(attrs) {
return None;
}
attr_visitor.format_missing(pats[0].span.lo);
attr_visitor.buffer.to_string()
format!("{}\n{}",
try_opt!(attrs.rewrite(context, shape)),
shape.indent.to_string(context.config))
} else {
String::new()
};