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fee1-deadcalebcartwright
fee1-dead
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calebcartwright
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misc code cleanup
1 parent 2db13f4 commit a9ae746

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+154
-156
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1 file changed

+154
-156
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‎src/items.rs‎

Lines changed: 154 additions & 156 deletions
Original file line numberDiff line numberDiff line change
@@ -306,22 +306,20 @@ impl<'a> FnSig<'a> {
306306
defaultness: ast::Defaultness,
307307
) -> FnSig<'a> {
308308
match *fn_kind {
309-
visit::FnKind::Fn(fn_ctxt, _, fn_sig, vis, generics, _) => match fn_ctxt {
310-
visit::FnCtxt::Assoc(..) => {
311-
let mut fn_sig = FnSig::from_method_sig(fn_sig, generics, vis);
312-
fn_sig.defaultness = defaultness;
313-
fn_sig
314-
}
315-
_ => FnSig {
316-
decl,
317-
generics,
318-
ext: fn_sig.header.ext,
319-
constness: fn_sig.header.constness,
320-
is_async: Cow::Borrowed(&fn_sig.header.asyncness),
321-
defaultness,
322-
unsafety: fn_sig.header.unsafety,
323-
visibility: vis,
324-
},
309+
visit::FnKind::Fn(visit::FnCtxt::Assoc(..), _, fn_sig, vis, generics, _) => {
310+
let mut fn_sig = FnSig::from_method_sig(fn_sig, generics, vis);
311+
fn_sig.defaultness = defaultness;
312+
fn_sig
313+
}
314+
visit::FnKind::Fn(_, _, fn_sig, vis, generics, _) => FnSig {
315+
decl,
316+
generics,
317+
ext: fn_sig.header.ext,
318+
constness: fn_sig.header.constness,
319+
is_async: Cow::Borrowed(&fn_sig.header.asyncness),
320+
defaultness,
321+
unsafety: fn_sig.header.unsafety,
322+
visibility: vis,
325323
},
326324
_ => unreachable!(),
327325
}
@@ -1118,172 +1116,172 @@ pub(crate) fn format_trait(
11181116
item: &ast::Item,
11191117
offset: Indent,
11201118
) -> Option<String> {
1121-
if let ast::ItemKind::Trait(trait_kind) = &item.kind {
1122-
let ast::Trait {
1123-
is_auto,
1124-
unsafety,
1125-
ref generics,
1126-
ref bounds,
1127-
ref items,
1128-
} = **trait_kind;
1129-
let mut result = String::with_capacity(128);
1130-
let header = format!(
1131-
"{}{}{}trait ",
1132-
format_visibility(context, &item.vis),
1133-
format_unsafety(unsafety),
1134-
format_auto(is_auto),
1135-
);
1136-
result.push_str(&header);
1119+
let ast::ItemKind::Trait(trait_kind) = &item.kind else {
1120+
unreachable!();
1121+
};
1122+
let ast::Trait {
1123+
is_auto,
1124+
unsafety,
1125+
ref generics,
1126+
ref bounds,
1127+
ref items,
1128+
} = **trait_kind;
11371129

1138-
let body_lo = context.snippet_provider.span_after(item.span, "{");
1130+
let mut result = String::with_capacity(128);
1131+
let header = format!(
1132+
"{}{}{}trait ",
1133+
format_visibility(context, &item.vis),
1134+
format_unsafety(unsafety),
1135+
format_auto(is_auto),
1136+
);
1137+
result.push_str(&header);
11391138

1140-
let shape = Shape::indented(offset, context.config).offset_left(result.len())?;
1141-
let generics_str =
1142-
rewrite_generics(context, rewrite_ident(context, item.ident), generics, shape)?;
1143-
result.push_str(&generics_str);
1139+
let body_lo = context.snippet_provider.span_after(item.span, "{");
11441140

1145-
// FIXME(#2055): rustfmt fails to format when there are comments between trait bounds.
1146-
if !bounds.is_empty() {
1147-
let ident_hi = context
1148-
.snippet_provider
1149-
.span_after(item.span, item.ident.as_str());
1150-
let bound_hi = bounds.last().unwrap().span().hi();
1151-
let snippet = context.snippet(mk_sp(ident_hi, bound_hi));
1152-
if contains_comment(snippet) {
1153-
return None;
1154-
}
1141+
let shape = Shape::indented(offset, context.config).offset_left(result.len())?;
1142+
let generics_str =
1143+
rewrite_generics(context, rewrite_ident(context, item.ident), generics, shape)?;
1144+
result.push_str(&generics_str);
11551145

1156-
result = rewrite_assign_rhs_with(
1157-
context,
1158-
result + ":",
1159-
bounds,
1160-
shape,
1161-
&RhsAssignKind::Bounds,
1162-
RhsTactics::ForceNextLineWithoutIndent,
1163-
)?;
1146+
// FIXME(#2055): rustfmt fails to format when there are comments between trait bounds.
1147+
if !bounds.is_empty() {
1148+
let ident_hi = context
1149+
.snippet_provider
1150+
.span_after(item.span, item.ident.as_str());
1151+
let bound_hi = bounds.last().unwrap().span().hi();
1152+
let snippet = context.snippet(mk_sp(ident_hi, bound_hi));
1153+
if contains_comment(snippet) {
1154+
return None;
11641155
}
11651156

1166-
// Rewrite where-clause.
1167-
if !generics.where_clause.predicates.is_empty() {
1168-
let where_on_new_line = context.config.indent_style() != IndentStyle::Block;
1157+
result = rewrite_assign_rhs_with(
1158+
context,
1159+
result + ":",
1160+
bounds,
1161+
shape,
1162+
&RhsAssignKind::Bounds,
1163+
RhsTactics::ForceNextLineWithoutIndent,
1164+
)?;
1165+
}
1166+
1167+
// Rewrite where-clause.
1168+
if !generics.where_clause.predicates.is_empty() {
1169+
let where_on_new_line = context.config.indent_style() != IndentStyle::Block;
11691170

1170-
let where_budget = context.budget(last_line_width(&result));
1171-
let pos_before_where = if bounds.is_empty() {
1172-
generics.where_clause.span.lo()
1171+
let where_budget = context.budget(last_line_width(&result));
1172+
let pos_before_where = if bounds.is_empty() {
1173+
generics.where_clause.span.lo()
1174+
} else {
1175+
bounds[bounds.len() - 1].span().hi()
1176+
};
1177+
let option = WhereClauseOption::snuggled(&generics_str);
1178+
let where_clause_str = rewrite_where_clause(
1179+
context,
1180+
&generics.where_clause.predicates,
1181+
generics.where_clause.span,
1182+
context.config.brace_style(),
1183+
Shape::legacy(where_budget, offset.block_only()),
1184+
where_on_new_line,
1185+
"{",
1186+
None,
1187+
pos_before_where,
1188+
option,
1189+
)?;
1190+
// If the where-clause cannot fit on the same line,
1191+
// put the where-clause on a new line
1192+
if !where_clause_str.contains('\n')
1193+
&& last_line_width(&result) + where_clause_str.len() + offset.width()
1194+
> context.config.comment_width()
1195+
{
1196+
let width = offset.block_indent + context.config.tab_spaces() - 1;
1197+
let where_indent = Indent::new(0, width);
1198+
result.push_str(&where_indent.to_string_with_newline(context.config));
1199+
}
1200+
result.push_str(&where_clause_str);
1201+
} else {
1202+
let item_snippet = context.snippet(item.span);
1203+
if let Some(lo) = item_snippet.find('/') {
1204+
// 1 = `{`
1205+
let comment_hi = if generics.params.len() > 0 {
1206+
generics.span.lo() - BytePos(1)
11731207
} else {
1174-
bounds[bounds.len() - 1].span().hi()
1208+
body_lo - BytePos(1)
11751209
};
1176-
let option = WhereClauseOption::snuggled(&generics_str);
1177-
let where_clause_str = rewrite_where_clause(
1178-
context,
1179-
&generics.where_clause.predicates,
1180-
generics.where_clause.span,
1181-
context.config.brace_style(),
1182-
Shape::legacy(where_budget, offset.block_only()),
1183-
where_on_new_line,
1184-
"{",
1185-
None,
1186-
pos_before_where,
1187-
option,
1188-
)?;
1189-
// If the where-clause cannot fit on the same line,
1190-
// put the where-clause on a new line
1191-
if !where_clause_str.contains('\n')
1192-
&& last_line_width(&result) + where_clause_str.len() + offset.width()
1193-
> context.config.comment_width()
1194-
{
1195-
let width = offset.block_indent + context.config.tab_spaces() - 1;
1196-
let where_indent = Indent::new(0, width);
1197-
result.push_str(&where_indent.to_string_with_newline(context.config));
1198-
}
1199-
result.push_str(&where_clause_str);
1200-
} else {
1201-
let item_snippet = context.snippet(item.span);
1202-
if let Some(lo) = item_snippet.find('/') {
1203-
// 1 = `{`
1204-
let comment_hi = if generics.params.len() > 0 {
1205-
generics.span.lo() - BytePos(1)
1206-
} else {
1207-
body_lo - BytePos(1)
1208-
};
1209-
let comment_lo = item.span.lo() + BytePos(lo as u32);
1210-
if comment_lo < comment_hi {
1211-
match recover_missing_comment_in_span(
1212-
mk_sp(comment_lo, comment_hi),
1213-
Shape::indented(offset, context.config),
1214-
context,
1215-
last_line_width(&result),
1216-
) {
1217-
Some(ref missing_comment) if !missing_comment.is_empty() => {
1218-
result.push_str(missing_comment);
1219-
}
1220-
_ => (),
1210+
let comment_lo = item.span.lo() + BytePos(lo as u32);
1211+
if comment_lo < comment_hi {
1212+
match recover_missing_comment_in_span(
1213+
mk_sp(comment_lo, comment_hi),
1214+
Shape::indented(offset, context.config),
1215+
context,
1216+
last_line_width(&result),
1217+
) {
1218+
Some(ref missing_comment) if !missing_comment.is_empty() => {
1219+
result.push_str(missing_comment);
12211220
}
1221+
_ => (),
12221222
}
12231223
}
12241224
}
1225+
}
12251226

1226-
let block_span = mk_sp(generics.where_clause.span.hi(), item.span.hi());
1227-
let snippet = context.snippet(block_span);
1228-
let open_pos = snippet.find_uncommented("{")? + 1;
1227+
let block_span = mk_sp(generics.where_clause.span.hi(), item.span.hi());
1228+
let snippet = context.snippet(block_span);
1229+
let open_pos = snippet.find_uncommented("{")? + 1;
12291230

1230-
match context.config.brace_style() {
1231-
_ if last_line_contains_single_line_comment(&result)
1232-
|| last_line_width(&result) + 2 > context.budget(offset.width()) =>
1233-
{
1234-
result.push_str(&offset.to_string_with_newline(context.config));
1235-
}
1236-
_ if context.config.empty_item_single_line()
1237-
&& items.is_empty()
1238-
&& !result.contains('\n')
1239-
&& !contains_comment(&snippet[open_pos..]) =>
1231+
match context.config.brace_style() {
1232+
_ if last_line_contains_single_line_comment(&result)
1233+
|| last_line_width(&result) + 2 > context.budget(offset.width()) =>
1234+
{
1235+
result.push_str(&offset.to_string_with_newline(context.config));
1236+
}
1237+
_ if context.config.empty_item_single_line()
1238+
&& items.is_empty()
1239+
&& !result.contains('\n')
1240+
&& !contains_comment(&snippet[open_pos..]) =>
1241+
{
1242+
result.push_str(" {}");
1243+
return Some(result);
1244+
}
1245+
BraceStyle::AlwaysNextLine => {
1246+
result.push_str(&offset.to_string_with_newline(context.config));
1247+
}
1248+
BraceStyle::PreferSameLine => result.push(' '),
1249+
BraceStyle::SameLineWhere => {
1250+
if result.contains('\n')
1251+
|| (!generics.where_clause.predicates.is_empty() && !items.is_empty())
12401252
{
1241-
result.push_str(" {}");
1242-
return Some(result);
1243-
}
1244-
BraceStyle::AlwaysNextLine => {
12451253
result.push_str(&offset.to_string_with_newline(context.config));
1246-
}
1247-
BraceStyle::PreferSameLine => result.push(' '),
1248-
BraceStyle::SameLineWhere => {
1249-
if result.contains('\n')
1250-
|| (!generics.where_clause.predicates.is_empty() && !items.is_empty())
1251-
{
1252-
result.push_str(&offset.to_string_with_newline(context.config));
1253-
} else {
1254-
result.push(' ');
1255-
}
1254+
} else {
1255+
result.push(' ');
12561256
}
12571257
}
1258-
result.push('{');
1259-
1260-
let outer_indent_str = offset.block_only().to_string_with_newline(context.config);
1258+
}
1259+
result.push('{');
12611260

1262-
if !items.is_empty() || contains_comment(&snippet[open_pos..]) {
1263-
let mut visitor = FmtVisitor::from_context(context);
1264-
visitor.block_indent = offset.block_only().block_indent(context.config);
1265-
visitor.last_pos = block_span.lo() + BytePos(open_pos as u32);
1261+
let outer_indent_str = offset.block_only().to_string_with_newline(context.config);
12661262

1267-
for item in items {
1268-
visitor.visit_trait_item(item);
1269-
}
1263+
if !items.is_empty() || contains_comment(&snippet[open_pos..]) {
1264+
let mut visitor = FmtVisitor::from_context(context);
1265+
visitor.block_indent = offset.block_only().block_indent(context.config);
1266+
visitor.last_pos = block_span.lo() + BytePos(open_pos as u32);
12701267

1271-
visitor.format_missing(item.span.hi() - BytePos(1));
1268+
for item in items {
1269+
visitor.visit_trait_item(item);
1270+
}
12721271

1273-
let inner_indent_str = visitor.block_indent.to_string_with_newline(context.config);
1272+
visitor.format_missing(item.span.hi() - BytePos(1));
12741273

1275-
result.push_str(&inner_indent_str);
1276-
result.push_str(visitor.buffer.trim());
1277-
result.push_str(&outer_indent_str);
1278-
} else if result.contains('\n') {
1279-
result.push_str(&outer_indent_str);
1280-
}
1274+
let inner_indent_str = visitor.block_indent.to_string_with_newline(context.config);
12811275

1282-
result.push('}');
1283-
Some(result)
1284-
} else {
1285-
unreachable!();
1276+
result.push_str(&inner_indent_str);
1277+
result.push_str(visitor.buffer.trim());
1278+
result.push_str(&outer_indent_str);
1279+
} else if result.contains('\n') {
1280+
result.push_str(&outer_indent_str);
12861281
}
1282+
1283+
result.push('}');
1284+
Some(result)
12871285
}
12881286

12891287
pub(crate) struct TraitAliasBounds<'a> {

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