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fix: don't allow two turbo-fishes in generic arguments

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This commit is contained in:
Aleksey Kladov 2021-09-19 12:09:50 +03:00
parent 8ae1f9c335
commit f99bdf4cc0
2 changed files with 38 additions and 33 deletions
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1
crates/parser/src/grammar/generic_args.rs
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@ -52,7 +52,6 @@ fn generic_arg(p: &mut Parser) {
// NameRef::, this is a path type
path_seg.complete(p, PATH_SEGMENT);
let qual = path.complete(p, PATH);
opt_generic_arg_list(p, false);
paths::type_path_for_qualifier(p, qual);
path_ty.complete(p, PATH_TYPE);
m.complete(p, TYPE_ARG);

70
crates/syntax/test_data/parser/err/0049_double_fish.rast
View file

@ -11,43 +11,44 @@ SOURCE_FILE@0..90
BLOCK_EXPR@7..40
L_CURLY@7..8 "{"
WHITESPACE@8..13 "\n "
EXPR_STMT@13..38
PATH_EXPR@13..37
PATH@13..37
PATH_SEGMENT@13..37
EXPR_STMT@13..31
PATH_EXPR@13..31
PATH@13..31
PATH_SEGMENT@13..31
NAME_REF@13..14
IDENT@13..14 "S"
GENERIC_ARG_LIST@14..37
GENERIC_ARG_LIST@14..31
COLON2@14..16 "::"
L_ANGLE@16..17 "<"
TYPE_ARG@17..36
PATH_TYPE@17..36
PATH@17..28
PATH_SEGMENT@17..28
NAME_REF@17..21
IDENT@17..21 "Item"
GENERIC_ARG_LIST@21..28
COLON2@21..23 "::"
L_ANGLE@23..24 "<"
TYPE_ARG@24..27
PATH_TYPE@24..27
PATH@24..27
PATH_SEGMENT@24..27
NAME_REF@24..27
IDENT@24..27 "lol"
R_ANGLE@27..28 ">"
GENERIC_ARG_LIST@28..36
TYPE_ARG@17..31
PATH_TYPE@17..31
PATH@17..31
PATH@17..28
PATH_SEGMENT@17..28
NAME_REF@17..21
IDENT@17..21 "Item"
GENERIC_ARG_LIST@21..28
COLON2@21..23 "::"
L_ANGLE@23..24 "<"
TYPE_ARG@24..27
PATH_TYPE@24..27
PATH@24..27
PATH_SEGMENT@24..27
NAME_REF@24..27
IDENT@24..27 "lol"
R_ANGLE@27..28 ">"
COLON2@28..30 "::"
L_ANGLE@30..31 "<"
TYPE_ARG@31..35
PATH_TYPE@31..35
PATH@31..35
PATH_SEGMENT@31..35
NAME_REF@31..35
IDENT@31..35 "nope"
R_ANGLE@35..36 ">"
R_ANGLE@36..37 ">"
SEMICOLON@37..38 ";"
ERROR@30..31
L_ANGLE@30..31 "<"
BIN_EXPR@31..38
PATH_EXPR@31..35
PATH@31..35
PATH_SEGMENT@31..35
NAME_REF@31..35
IDENT@31..35 "nope"
SHR@35..37 ">>"
ERROR@37..38
SEMICOLON@37..38 ";"
WHITESPACE@38..39 "\n"
R_CURLY@39..40 "}"
WHITESPACE@40..42 "\n\n"
@ -109,6 +110,11 @@ SOURCE_FILE@0..90
WHITESPACE@87..88 "\n"
R_CURLY@88..89 "}"
WHITESPACE@89..90 "\n"
error 30..30: expected identifier
error 31..31: expected COMMA
error 31..31: expected R_ANGLE
error 31..31: expected SEMICOLON
error 37..37: expected expression
error 75..75: expected identifier
error 76..76: expected SEMICOLON
error 82..82: expected expression