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[Bug #20789] Fix an invalid syntax error when ->a=1...{}

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https://bugs.ruby-lang.org/issues/20789
This commit is contained in:
ydah 2024-10-09 22:16:19 +09:00 committed by Nobuyoshi Nakada
parent e50754fcfa
commit 1c762d9566
Notes: git 2024-10-09 14:58:37 +00:00 
Merged: https://github.com/ruby/ruby/pull/11850
2 changed files with 2 additions and 1 deletions
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2
parse.y
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@ -11043,7 +11043,7 @@ parser_yylex(struct parser_params *p)
SET_LEX_STATE(EXPR_BEG); SET_LEX_STATE(EXPR_BEG);
if ((c = nextc(p)) == '.') { if ((c = nextc(p)) == '.') {
if ((c = nextc(p)) == '.') { if ((c = nextc(p)) == '.') {
if (p->ctxt.in_argdef || IS_LABEL_POSSIBLE() || lambda_beginning_p()) { if (p->ctxt.in_argdef || IS_LABEL_POSSIBLE()) {
SET_LEX_STATE(EXPR_ENDARG); SET_LEX_STATE(EXPR_ENDARG);
return tBDOT3; return tBDOT3;
} }

1
test/ruby/test_syntax.rb
View File

@ -1975,6 +1975,7 @@ eom
assert_valid_syntax('def nil(...) end') assert_valid_syntax('def nil(...) end')
assert_valid_syntax('def true(...) end') assert_valid_syntax('def true(...) end')
assert_valid_syntax('def false(...) end') assert_valid_syntax('def false(...) end')
assert_valid_syntax('->a=1...{}')
unexpected = /unexpected \.{3}/ unexpected = /unexpected \.{3}/
assert_syntax_error('iter do |...| end', /unexpected/) assert_syntax_error('iter do |...| end', /unexpected/)
assert_syntax_error('iter {|...|}', /unexpected/) assert_syntax_error('iter {|...|}', /unexpected/)