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yield cannot be placed outside methods even in blocks

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Nobuyoshi Nakada 2023-10-02 22:06:32 +09:00
parent 63e504d6e6
commit 9059dfce12
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GPG Key ID: 3582D74E1FEE4465
3 changed files with 10 additions and 2 deletions
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2
parse.y
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@ -4349,7 +4349,7 @@ k_return : keyword_return
k_yield : keyword_yield k_yield : keyword_yield
{ {
if (!p->ctxt.in_defined && !p->ctxt.in_def && !dyna_in_block(p)) if (!p->ctxt.in_defined && !p->ctxt.in_def && !compile_for_eval)
yyerror1(&@1, "Invalid yield"); yyerror1(&@1, "Invalid yield");
} }
; ;

8
test/prism/parse_test.rb
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@ -89,11 +89,17 @@ module Prism
src = source src = source
case relative case relative
when /break|next|redo|if|unless|rescue|control|keywords|retry|yield|\/args_assocs/ when /break|next|redo|if|unless|rescue|control|keywords|retry/
# Uncaught syntax errors: Invalid break, Invalid next # Uncaught syntax errors: Invalid break, Invalid next
src = "->do\nrescue\n#{src}\nend" src = "->do\nrescue\n#{src}\nend"
ripper_should_match = false ripper_should_match = false
end end
case src
when /^ *yield/
# Uncaught syntax errors: Invalid yield
src = "def __invalid_yield__\n#{src}\nend"
ripper_should_match = false
end
# Make sure that it can be correctly parsed by Ripper. If it can't, then we have a fixture # Make sure that it can be correctly parsed by Ripper. If it can't, then we have a fixture
# that is invalid Ruby. # that is invalid Ruby.

2
test/ruby/test_ast.rb
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@ -312,11 +312,13 @@ class TestAst < Test::Unit::TestCase
assert_invalid_parse(msg, "class C; yield; end") assert_invalid_parse(msg, "class C; yield; end")
assert_invalid_parse(msg, "BEGIN {yield}") assert_invalid_parse(msg, "BEGIN {yield}")
assert_invalid_parse(msg, "END {yield}") assert_invalid_parse(msg, "END {yield}")
assert_invalid_parse(msg, "-> {yield}")
assert_invalid_parse(msg, "yield true") assert_invalid_parse(msg, "yield true")
assert_invalid_parse(msg, "class C; yield true; end") assert_invalid_parse(msg, "class C; yield true; end")
assert_invalid_parse(msg, "BEGIN {yield true}") assert_invalid_parse(msg, "BEGIN {yield true}")
assert_invalid_parse(msg, "END {yield true}") assert_invalid_parse(msg, "END {yield true}")
assert_invalid_parse(msg, "-> {yield true}")
assert_parse("!defined?(yield)") assert_parse("!defined?(yield)")
assert_parse("class C; defined?(yield); end") assert_parse("class C; defined?(yield); end")