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authorbors[bot] <bors[bot]@users.noreply.github.com>2019-03-31 10:11:48 +0100
committerbors[bot] <bors[bot]@users.noreply.github.com>2019-03-31 10:11:48 +0100
commitc5ca49678f129045e59438df279829902034ec71 (patch)
tree3fd54185e0c064fbd6f718ac345064ce9c559efb /crates/ra_syntax/tests/data/parser/inline/ok/0007_type_param_bounds.txt
parent23dd53eb35ff50508d0c0fc5878a55754b12d381 (diff)
parent55dcdb7d094f473c73f87ecf997b24f8e35f2a5e (diff)
Merge #1077
1077: Improve parsing of type bounds r=matklad a=vipentti This adds new TYPE_BOUND_LIST and TYPE_BOUND syntax kinds. These are now used when parsing type bounds. In addition parsing paths inside a bound now does not recursively parse paths, rather they are treated as separate bounds, separated by +. Basically now the generic params `struct S<T: 'a + ?Sized + (Copy)>;` in will be parsed as ``` TYPE_PARAM_LIST@[8; 33) L_ANGLE@[8; 9) TYPE_PARAM@[9; 32) NAME@[9; 10) IDENT@[9; 10) "T" COLON@[10; 11) WHITESPACE@[11; 12) TYPE_BOUND_LIST@[12; 32) TYPE_BOUND@[12; 14) LIFETIME@[12; 14) "'a" WHITESPACE@[14; 15) PLUS@[15; 16) WHITESPACE@[16; 17) TYPE_BOUND@[17; 23) QUESTION@[17; 18) PATH_TYPE@[18; 23) PATH@[18; 23) PATH_SEGMENT@[18; 23) NAME_REF@[18; 23) IDENT@[18; 23) "Sized" WHITESPACE@[23; 24) PLUS@[24; 25) WHITESPACE@[25; 26) TYPE_BOUND@[26; 32) L_PAREN@[26; 27) PATH_TYPE@[27; 31) PATH@[27; 31) PATH_SEGMENT@[27; 31) NAME_REF@[27; 31) IDENT@[27; 31) "Copy" R_PAREN@[31; 32) R_ANGLE@[32; 33) ``` Previously it was parsed, with the paths nested: ``` TYPE_PARAM_LIST@[8; 33) L_ANGLE@[8; 9) TYPE_PARAM@[9; 32) NAME@[9; 10) IDENT@[9; 10) "T" COLON@[10; 11) WHITESPACE@[11; 12) LIFETIME@[12; 14) "'a" WHITESPACE@[14; 15) PLUS@[15; 16) WHITESPACE@[16; 17) QUESTION@[17; 18) PATH_TYPE@[18; 32) PATH@[18; 23) PATH_SEGMENT@[18; 23) NAME_REF@[18; 23) IDENT@[18; 23) "Sized" WHITESPACE@[23; 24) PLUS@[24; 25) WHITESPACE@[25; 26) L_PAREN@[26; 27) PATH_TYPE@[27; 31) PATH@[27; 31) PATH_SEGMENT@[27; 31) NAME_REF@[27; 31) IDENT@[27; 31) "Copy" R_PAREN@[31; 32) R_ANGLE@[32; 33) ``` Looking for feedback. Co-authored-by: Ville Penttinen <[email protected]>
Diffstat (limited to 'crates/ra_syntax/tests/data/parser/inline/ok/0007_type_param_bounds.txt')
-rw-r--r--crates/ra_syntax/tests/data/parser/inline/ok/0007_type_param_bounds.txt38
1 files changed, 21 insertions, 17 deletions
diff --git a/crates/ra_syntax/tests/data/parser/inline/ok/0007_type_param_bounds.txt b/crates/ra_syntax/tests/data/parser/inline/ok/0007_type_param_bounds.txt
index 745cf8798..81479d2ea 100644
--- a/crates/ra_syntax/tests/data/parser/inline/ok/0007_type_param_bounds.txt
+++ b/crates/ra_syntax/tests/data/parser/inline/ok/0007_type_param_bounds.txt
@@ -11,26 +11,30 @@ SOURCE_FILE@[0; 35)
11 IDENT@[9; 10) "T" 11 IDENT@[9; 10) "T"
12 COLON@[10; 11) 12 COLON@[10; 11)
13 WHITESPACE@[11; 12) 13 WHITESPACE@[11; 12)
14 LIFETIME@[12; 14) "'a" 14 TYPE_BOUND_LIST@[12; 32)
15 WHITESPACE@[14; 15) 15 TYPE_BOUND@[12; 14)
16 PLUS@[15; 16) 16 LIFETIME@[12; 14) "'a"
17 WHITESPACE@[16; 17) 17 WHITESPACE@[14; 15)
18 QUESTION@[17; 18) 18 PLUS@[15; 16)
19 PATH_TYPE@[18; 32) 19 WHITESPACE@[16; 17)
20 PATH@[18; 23) 20 TYPE_BOUND@[17; 23)
21 PATH_SEGMENT@[18; 23) 21 QUESTION@[17; 18)
22 NAME_REF@[18; 23) 22 PATH_TYPE@[18; 23)
23 IDENT@[18; 23) "Sized" 23 PATH@[18; 23)
24 PATH_SEGMENT@[18; 23)
25 NAME_REF@[18; 23)
26 IDENT@[18; 23) "Sized"
24 WHITESPACE@[23; 24) 27 WHITESPACE@[23; 24)
25 PLUS@[24; 25) 28 PLUS@[24; 25)
26 WHITESPACE@[25; 26) 29 WHITESPACE@[25; 26)
27 L_PAREN@[26; 27) 30 TYPE_BOUND@[26; 32)
28 PATH_TYPE@[27; 31) 31 L_PAREN@[26; 27)
29 PATH@[27; 31) 32 PATH_TYPE@[27; 31)
30 PATH_SEGMENT@[27; 31) 33 PATH@[27; 31)
31 NAME_REF@[27; 31) 34 PATH_SEGMENT@[27; 31)
32 IDENT@[27; 31) "Copy" 35 NAME_REF@[27; 31)
33 R_PAREN@[31; 32) 36 IDENT@[27; 31) "Copy"
37 R_PAREN@[31; 32)
34 R_ANGLE@[32; 33) 38 R_ANGLE@[32; 33)
35 SEMI@[33; 34) 39 SEMI@[33; 34)
36 WHITESPACE@[34; 35) 40 WHITESPACE@[34; 35)