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Fix is_path_start to accept T![<], fix is_path_start usages
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f1e62501c3
commit
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@ -549,7 +549,7 @@ fn arg_list(p: &mut Parser) {
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// let _ = format!();
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// }
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fn path_expr(p: &mut Parser, r: Restrictions) -> (CompletedMarker, BlockLike) {
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assert!(paths::is_path_start(p) || p.at(T![<]));
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assert!(paths::is_path_start(p));
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let m = p.start();
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paths::expr_path(p);
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match p.current() {
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@ -62,7 +62,7 @@ pub(super) fn atom_expr(p: &mut Parser, r: Restrictions) -> Option<(CompletedMar
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if let Some(m) = literal(p) {
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return Some((m, BlockLike::NotBlock));
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}
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if paths::is_path_start(p) || p.at(T![<]) {
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if paths::is_path_start(p) {
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return Some(path_expr(p, r));
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}
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let la = p.nth(1);
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@ -49,7 +49,7 @@ pub(super) fn item_or_macro(p: &mut Parser, stop_on_r_curly: bool, flavor: ItemF
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}
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Err(m) => m,
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};
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if paths::is_path_start(p) {
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if paths::is_use_path_start(p) {
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match macro_call(p) {
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BlockLike::Block => (),
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BlockLike::NotBlock => {
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@ -378,7 +378,7 @@ pub(crate) fn mod_item_list(p: &mut Parser) {
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}
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fn macro_call(p: &mut Parser) -> BlockLike {
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assert!(paths::is_path_start(p));
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assert!(paths::is_use_path_start(p));
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paths::use_path(p);
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macro_call_after_excl(p)
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}
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@ -65,7 +65,7 @@ fn use_tree(p: &mut Parser) {
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// use crate::Item;
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// use self::some::Struct;
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// use crate_name::some_item;
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_ if paths::is_path_start(p) => {
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_ if paths::is_use_path_start(p) => {
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paths::use_path(p);
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match p.current() {
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T![as] => {
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@ -4,6 +4,10 @@ pub(super) const PATH_FIRST: TokenSet =
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token_set![IDENT, SELF_KW, SUPER_KW, CRATE_KW, COLONCOLON, L_ANGLE];
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pub(super) fn is_path_start(p: &Parser) -> bool {
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is_use_path_start(p) || p.at(T![<])
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}
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pub(super) fn is_use_path_start(p: &Parser) -> bool {
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match p.current() {
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IDENT | T![self] | T![super] | T![crate] | T![::] => true,
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_ => false,
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@ -58,7 +62,7 @@ fn path_segment(p: &mut Parser, mode: Mode, first: bool) {
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if first && p.eat(T![<]) {
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types::type_(p);
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if p.eat(T![as]) {
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if is_path_start(p) {
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if is_use_path_start(p) {
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types::path_type(p);
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} else {
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p.error("expected a trait");
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@ -65,7 +65,7 @@ fn atom_pat(p: &mut Parser, recovery_set: TokenSet) -> Option<CompletedMarker> {
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{
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return Some(bind_pat(p, true));
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}
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if paths::is_path_start(p) {
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if paths::is_use_path_start(p) {
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return Some(path_pat(p));
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}
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@ -118,7 +118,7 @@ fn literal_pat(p: &mut Parser) -> CompletedMarker {
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// let Bar(..) = ();
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// }
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fn path_pat(p: &mut Parser) -> CompletedMarker {
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assert!(paths::is_path_start(p));
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assert!(paths::is_use_path_start(p));
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let m = p.start();
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paths::expr_path(p);
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let kind = match p.current() {
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@ -101,7 +101,7 @@ fn type_bound(p: &mut Parser) -> bool {
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match p.current() {
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LIFETIME => p.bump(),
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T![for] => types::for_type(p),
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_ if paths::is_path_start(p) => types::path_type_(p, false),
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_ if paths::is_use_path_start(p) => types::path_type_(p, false),
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_ => {
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m.abandon(p);
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return false;
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@ -29,7 +29,7 @@ fn type_with_bounds_cond(p: &mut Parser, allow_bounds: bool) {
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T![dyn ] => dyn_trait_type(p),
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// Some path types are not allowed to have bounds (no plus)
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T![<] => path_type_(p, allow_bounds),
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_ if paths::is_path_start(p) => path_or_macro_type_(p, allow_bounds),
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_ if paths::is_use_path_start(p) => path_or_macro_type_(p, allow_bounds),
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_ => {
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p.err_recover("expected type", TYPE_RECOVERY_SET);
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}
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@ -213,7 +213,7 @@ pub(super) fn for_type(p: &mut Parser) {
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match p.current() {
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T![fn] | T![unsafe] | T![extern] => fn_pointer_type(p),
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T![&] => reference_type(p),
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_ if paths::is_path_start(p) || p.at(T![<]) => path_type_(p, false),
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_ if paths::is_path_start(p) => path_type_(p, false),
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_ => p.error("expected a path"),
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}
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m.complete(p, FOR_TYPE);
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@ -252,7 +252,7 @@ pub(super) fn path_type(p: &mut Parser) {
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// type A = foo!();
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// type B = crate::foo!();
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fn path_or_macro_type_(p: &mut Parser, allow_bounds: bool) {
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assert!(paths::is_path_start(p) || p.at(T![<]));
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assert!(paths::is_path_start(p));
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let m = p.start();
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paths::type_path(p);
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@ -271,7 +271,7 @@ fn path_or_macro_type_(p: &mut Parser, allow_bounds: bool) {
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}
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pub(super) fn path_type_(p: &mut Parser, allow_bounds: bool) {
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assert!(paths::is_path_start(p) || p.at(T![<]));
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assert!(paths::is_path_start(p));
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let m = p.start();
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paths::type_path(p);
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