aboutsummaryrefslogtreecommitdiff
path: root/crates/ra_parser
diff options
context:
space:
mode:
authorBenjamin Coenen <[email protected]>2020-04-14 18:20:30 +0100
committerBenjamin Coenen <[email protected]>2020-04-14 18:20:30 +0100
commitb092bbc83d13af6a79f8f282632ec1ea0a1560bd (patch)
tree2638559990ee6a93cd3b6d6d957b67063eb75c2d /crates/ra_parser
parent064095742980d4c825391f643e437520599f51d8 (diff)
parentc82e7696e6f86cc0843c5aab9f09b5d6dd0d4bac (diff)
Merge branch 'master' of github.com:rust-analyzer/rust-analyzer
Diffstat (limited to 'crates/ra_parser')
-rw-r--r--crates/ra_parser/src/grammar.rs11
-rw-r--r--crates/ra_parser/src/grammar/patterns.rs50
2 files changed, 27 insertions, 34 deletions
diff --git a/crates/ra_parser/src/grammar.rs b/crates/ra_parser/src/grammar.rs
index d0530955e..c2a6e82e9 100644
--- a/crates/ra_parser/src/grammar.rs
+++ b/crates/ra_parser/src/grammar.rs
@@ -282,13 +282,10 @@ fn name_ref(p: &mut Parser) {
282} 282}
283 283
284fn name_ref_or_index(p: &mut Parser) { 284fn name_ref_or_index(p: &mut Parser) {
285 if p.at(IDENT) || p.at(INT_NUMBER) { 285 assert!(p.at(IDENT) || p.at(INT_NUMBER));
286 let m = p.start(); 286 let m = p.start();
287 p.bump_any(); 287 p.bump_any();
288 m.complete(p, NAME_REF); 288 m.complete(p, NAME_REF);
289 } else {
290 p.err_and_bump("expected identifier");
291 }
292} 289}
293 290
294fn error_block(p: &mut Parser, message: &str) { 291fn error_block(p: &mut Parser, message: &str) {
diff --git a/crates/ra_parser/src/grammar/patterns.rs b/crates/ra_parser/src/grammar/patterns.rs
index 936d27575..68fb2fc73 100644
--- a/crates/ra_parser/src/grammar/patterns.rs
+++ b/crates/ra_parser/src/grammar/patterns.rs
@@ -192,14 +192,30 @@ fn record_field_pat_list(p: &mut Parser) {
192 match p.current() { 192 match p.current() {
193 // A trailing `..` is *not* treated as a DOT_DOT_PAT. 193 // A trailing `..` is *not* treated as a DOT_DOT_PAT.
194 T![.] if p.at(T![..]) => p.bump(T![..]), 194 T![.] if p.at(T![..]) => p.bump(T![..]),
195
196 IDENT | INT_NUMBER if p.nth(1) == T![:] => record_field_pat(p),
197 T!['{'] => error_block(p, "expected ident"), 195 T!['{'] => error_block(p, "expected ident"),
198 T![box] => { 196
199 box_pat(p); 197 c => {
200 } 198 let m = p.start();
201 _ => { 199 match c {
202 bind_pat(p, false); 200 // test record_field_pat
201 // fn foo() {
202 // let S { 0: 1 } = ();
203 // let S { x: 1 } = ();
204 // }
205 IDENT | INT_NUMBER if p.nth(1) == T![:] => {
206 name_ref_or_index(p);
207 p.bump(T![:]);
208 pattern(p);
209 }
210 T![box] => {
211 // FIXME: not all box patterns should be allowed
212 box_pat(p);
213 }
214 _ => {
215 bind_pat(p, false);
216 }
217 }
218 m.complete(p, RECORD_FIELD_PAT);
203 } 219 }
204 } 220 }
205 if !p.at(T!['}']) { 221 if !p.at(T!['}']) {
@@ -210,26 +226,6 @@ fn record_field_pat_list(p: &mut Parser) {
210 m.complete(p, RECORD_FIELD_PAT_LIST); 226 m.complete(p, RECORD_FIELD_PAT_LIST);
211} 227}
212 228
213// test record_field_pat
214// fn foo() {
215// let S { 0: 1 } = ();
216// let S { x: 1 } = ();
217// }
218fn record_field_pat(p: &mut Parser) {
219 assert!(p.at(IDENT) || p.at(INT_NUMBER));
220 assert!(p.nth(1) == T![:]);
221
222 let m = p.start();
223
224 if !p.eat(INT_NUMBER) {
225 name(p)
226 }
227
228 p.bump_any();
229 pattern(p);
230 m.complete(p, RECORD_FIELD_PAT);
231}
232
233// test placeholder_pat 229// test placeholder_pat
234// fn main() { let _ = (); } 230// fn main() { let _ = (); }
235fn placeholder_pat(p: &mut Parser) -> CompletedMarker { 231fn placeholder_pat(p: &mut Parser) -> CompletedMarker {