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-rw-r--r--lib/prism/translation/parser/lexer.rb10
-rw-r--r--test/prism/ruby/parser_test.rb7
2 files changed, 9 insertions, 8 deletions
diff --git a/lib/prism/translation/parser/lexer.rb b/lib/prism/translation/parser/lexer.rb
index fd1d0243ca..1808473cad 100644
--- a/lib/prism/translation/parser/lexer.rb
+++ b/lib/prism/translation/parser/lexer.rb
@@ -457,7 +457,15 @@ module Prism
location = range(token.location.start_offset, token.location.start_offset + 1)
end
- quote_stack.pop
+ if percent_array?(quote_stack.pop)
+ prev_token = lexed[index - 2][0] if index - 2 >= 0
+ empty = %i[PERCENT_LOWER_I PERCENT_LOWER_W PERCENT_UPPER_I PERCENT_UPPER_W].include?(prev_token&.type)
+ ends_with_whitespace = prev_token&.type == :WORDS_SEP
+ # parser always emits a space token after content in a percent array, even if no actual whitespace is present.
+ if !empty && !ends_with_whitespace
+ tokens << [:tSPACE, [nil, range(token.location.start_offset, token.location.start_offset)]]
+ end
+ end
when :tSYMBEG
if (next_token = lexed[index][0]) && next_token.type != :STRING_CONTENT && next_token.type != :EMBEXPR_BEGIN && next_token.type != :EMBVAR && next_token.type != :STRING_END
next_location = token.location.join(next_token.location)
diff --git a/test/prism/ruby/parser_test.rb b/test/prism/ruby/parser_test.rb
index 2e9211e70d..1542bc6562 100644
--- a/test/prism/ruby/parser_test.rb
+++ b/test/prism/ruby/parser_test.rb
@@ -219,13 +219,6 @@ module Prism
expected_index += 1
actual_index += 1
- # The parser gem always has a space before a string end in list
- # literals, but we don't. So we'll skip over the space.
- if expected_token[0] == :tSPACE && actual_token[0] == :tSTRING_END
- expected_index += 1
- next
- end
-
# There are a lot of tokens that have very specific meaning according
# to the context of the parser. We don't expose that information in
# prism, so we need to normalize these tokens a bit.