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Auto merge of #16310 - Veykril:range-access-parse, r=Veykril

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fix: Fix incorrect parsing error on method call on range

Fixes https://github.com/rust-lang/rust-analyzer/issues/16289
This commit is contained in:
bors 2024-01-09 09:49:25 +00:00
commit c246ecfd55
3 changed files with 62 additions and 1 deletions
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10
crates/parser/src/grammar/expressions.rs
View File

@ -371,7 +371,15 @@ fn lhs(p: &mut Parser<'_>, r: Restrictions) -> Option<(CompletedMarker, BlockLik
if p.at(op) {
m = p.start();
p.bump(op);
if p.at_ts(EXPR_FIRST) && !(r.forbid_structs && p.at(T!['{'])) {
// test closure_range_method_call
// fn foo() {
// || .. .method();
// || .. .field;
// }
let has_access_after = p.at(T![.]) && p.nth_at(1, SyntaxKind::IDENT);
let struct_forbidden = r.forbid_structs && p.at(T!['{']);
if p.at_ts(EXPR_FIRST) && !has_access_after && !struct_forbidden {
expr_bp(p, None, r, 2);
}
let cm = m.complete(p, RANGE_EXPR);

49
crates/parser/test_data/parser/inline/ok/0208_closure_range_method_call.rast Normal file
View File

@ -0,0 +1,49 @@
SOURCE_FILE
FN
FN_KW "fn"
WHITESPACE " "
NAME
IDENT "foo"
PARAM_LIST
L_PAREN "("
R_PAREN ")"
WHITESPACE " "
BLOCK_EXPR
STMT_LIST
L_CURLY "{"
WHITESPACE "\n "
EXPR_STMT
METHOD_CALL_EXPR
CLOSURE_EXPR
PARAM_LIST
PIPE "|"
PIPE "|"
WHITESPACE " "
RANGE_EXPR
DOT2 ".."
WHITESPACE " "
DOT "."
NAME_REF
IDENT "method"
ARG_LIST
L_PAREN "("
R_PAREN ")"
SEMICOLON ";"
WHITESPACE "\n "
EXPR_STMT
FIELD_EXPR
CLOSURE_EXPR
PARAM_LIST
PIPE "|"
PIPE "|"
WHITESPACE " "
RANGE_EXPR
DOT2 ".."
WHITESPACE " "
DOT "."
NAME_REF
IDENT "field"
SEMICOLON ";"
WHITESPACE "\n"
R_CURLY "}"
WHITESPACE "\n"

4
crates/parser/test_data/parser/inline/ok/0208_closure_range_method_call.rs Normal file
View File

@ -0,0 +1,4 @@
fn foo() {
|| .. .method();
|| .. .field;
}