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Merge #1884

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1884: Add indexing to record_field_pat r=matklad a=kjeremy

Fixes #1870 

Co-authored-by: kjeremy <kjeremy@gmail.com>
This commit is contained in:
bors[bot] 2019-09-20 15:54:01 +00:00 committed by GitHub
commit 3575f7c4a2
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3 changed files with 91 additions and 2 deletions
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14
crates/ra_parser/src/grammar/patterns.rs
View file

@ -168,6 +168,7 @@ fn record_field_pat_list(p: &mut Parser) {
T![.] if p.at(T![..]) => p.bump(T![..]),
IDENT if p.nth(1) == T![:] => record_field_pat(p),
INT_NUMBER if p.nth(1) == T![:] => record_field_pat(p),
T!['{'] => error_block(p, "expected ident"),
T![box] => {
box_pat(p);
@ -184,12 +185,21 @@ fn record_field_pat_list(p: &mut Parser) {
m.complete(p, RECORD_FIELD_PAT_LIST);
}
// test record_field_pat
// fn foo() {
// let S { 0: 1 } = ();
// let S { x: 1 } = ();
// }
fn record_field_pat(p: &mut Parser) {
assert!(p.at(IDENT));
assert!(p.at(IDENT) || p.at(INT_NUMBER));
assert!(p.nth(1) == T![:]);
let m = p.start();
name(p);
if !p.eat(INT_NUMBER) {
name(p)
}
p.bump_any();
pattern(p);
m.complete(p, RECORD_FIELD_PAT);

4
crates/ra_syntax/test_data/parser/inline/ok/0145_record_field_pat.rs Normal file
View file

@ -0,0 +1,4 @@
fn foo() {
let S { 0: 1 } = ();
let S { x: 1 } = ();
}

75
crates/ra_syntax/test_data/parser/inline/ok/0145_record_field_pat.txt Normal file
View file

@ -0,0 +1,75 @@
SOURCE_FILE@[0; 63)
FN_DEF@[0; 62)
FN_KW@[0; 2) "fn"
WHITESPACE@[2; 3) " "
NAME@[3; 6)
IDENT@[3; 6) "foo"
PARAM_LIST@[6; 8)
L_PAREN@[6; 7) "("
R_PAREN@[7; 8) ")"
WHITESPACE@[8; 9) " "
BLOCK_EXPR@[9; 62)
BLOCK@[9; 62)
L_CURLY@[9; 10) "{"
WHITESPACE@[10; 15) "\n "
LET_STMT@[15; 35)
LET_KW@[15; 18) "let"
WHITESPACE@[18; 19) " "
RECORD_PAT@[19; 29)
PATH@[19; 20)
PATH_SEGMENT@[19; 20)
NAME_REF@[19; 20)
IDENT@[19; 20) "S"
WHITESPACE@[20; 21) " "
RECORD_FIELD_PAT_LIST@[21; 29)
L_CURLY@[21; 22) "{"
WHITESPACE@[22; 23) " "
RECORD_FIELD_PAT@[23; 27)
INT_NUMBER@[23; 24) "0"
COLON@[24; 25) ":"
WHITESPACE@[25; 26) " "
LITERAL_PAT@[26; 27)
LITERAL@[26; 27)
INT_NUMBER@[26; 27) "1"
WHITESPACE@[27; 28) " "
R_CURLY@[28; 29) "}"
WHITESPACE@[29; 30) " "
EQ@[30; 31) "="
WHITESPACE@[31; 32) " "
TUPLE_EXPR@[32; 34)
L_PAREN@[32; 33) "("
R_PAREN@[33; 34) ")"
SEMI@[34; 35) ";"
WHITESPACE@[35; 40) "\n "
LET_STMT@[40; 60)
LET_KW@[40; 43) "let"
WHITESPACE@[43; 44) " "
RECORD_PAT@[44; 54)
PATH@[44; 45)
PATH_SEGMENT@[44; 45)
NAME_REF@[44; 45)
IDENT@[44; 45) "S"
WHITESPACE@[45; 46) " "
RECORD_FIELD_PAT_LIST@[46; 54)
L_CURLY@[46; 47) "{"
WHITESPACE@[47; 48) " "
RECORD_FIELD_PAT@[48; 52)
NAME@[48; 49)
IDENT@[48; 49) "x"
COLON@[49; 50) ":"
WHITESPACE@[50; 51) " "
LITERAL_PAT@[51; 52)
LITERAL@[51; 52)
INT_NUMBER@[51; 52) "1"
WHITESPACE@[52; 53) " "
R_CURLY@[53; 54) "}"
WHITESPACE@[54; 55) " "
EQ@[55; 56) "="
WHITESPACE@[56; 57) " "
TUPLE_EXPR@[57; 59)
L_PAREN@[57; 58) "("
R_PAREN@[58; 59) ")"
SEMI@[59; 60) ";"
WHITESPACE@[60; 61) "\n"
R_CURLY@[61; 62) "}"
WHITESPACE@[62; 63) "\n"