bjoernager/rust
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Add support for using qualified paths with structs in expression and pattern

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position.
This commit is contained in:
Ryan Levick 2020-12-10 13:20:07 +01:00 • committed by Ryan Levick
parent c5fbcd35a8
commit 6936349233
38 changed files with 374 additions and 187 deletions
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25
compiler/rustc_ast_pretty/src/pprust/state.rs
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@ -1713,11 +1713,16 @@ impl<'a> State<'a> {
fn print_expr_struct(
&mut self,
qself: &Option<ast::QSelf>,
path: &ast::Path,
fields: &[ast::ExprField],
rest: &ast::StructRest,
) {
self.print_path(path, true, 0);
if let Some(qself) = qself {
self.print_qpath(path, qself, true);
} else {
self.print_path(path, true, 0);
}
self.s.word("{");
self.commasep_cmnt(
Consistent,
@ -1874,7 +1879,7 @@ impl<'a> State<'a> {
self.print_expr_repeat(element, count);
}
ast::ExprKind::Struct(ref se) => {
self.print_expr_struct(&se.path, &se.fields, &se.rest);
self.print_expr_struct(&se.qself, &se.path, &se.fields, &se.rest);
}
ast::ExprKind::Tup(ref exprs) => {
self.print_expr_tup(exprs);
@ -2340,8 +2345,12 @@ impl<'a> State<'a> {
self.print_pat(p);
}
}
PatKind::TupleStruct(ref path, ref elts) => {
self.print_path(path, true, 0);
PatKind::TupleStruct(ref qself, ref path, ref elts) => {
if let Some(qself) = qself {
self.print_qpath(path, qself, true);
} else {
self.print_path(path, true, 0);
}
self.popen();
self.commasep(Inconsistent, &elts[..], |s, p| s.print_pat(p));
self.pclose();
@ -2355,8 +2364,12 @@ impl<'a> State<'a> {
PatKind::Path(Some(ref qself), ref path) => {
self.print_qpath(path, qself, false);
}
PatKind::Struct(ref path, ref fields, etc) => {
self.print_path(path, true, 0);
PatKind::Struct(ref qself, ref path, ref fields, etc) => {
if let Some(qself) = qself {
self.print_qpath(path, qself, true);
} else {
self.print_path(path, true, 0);
}
self.nbsp();
self.word_space("{");
self.commasep_cmnt(