Fix an error when str.length is greater than length
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Could you add test case? |
This PR fix an error when `str.length` is greater than `length`. Reproduced by parse.y below: https://gist.github.com/ydah/70186de8a1ff14fa2cd16b338b9fc0e0
ydah
commented
Dec 7, 2024
| @@ -299,6 +299,92 @@ | |||
| 4: digit '+' digit • | |||
| STR | |||
| end | |||
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| context "when the grammar has a long rule name" do | |||
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memo) Before the modification, the following error occurs:
❯ bundle exec rake
bundle exec racc parser.y --embedded -o lib/lrama/parser.rb -t --log-file=parser.output
/ydah/.rbenv/versions/3.4-dev/bin/ruby -I/ydah/.rbenv/versions/3.4-dev/lib/ruby/gems/3.4.0+1/gems/rspec-core-3.13.1/lib:/ydah/.rbenv/versions/3.4-dev/lib/ruby/gems/3.4.0+1/gems/rspec-support-3.13.1/lib /ydah/.rbenv/versions/3.4-dev/lib/ruby/gems/3.4.0+1/gems/rspec-core-3.13.1/exe/rspec spec/lrama/bitmap_spec.rb spec/lrama/command_spec.rb spec/lrama/context_spec.rb spec/lrama/counterexamples_spec.rb spec/lrama/diagnostics_spec.rb spec/lrama/grammar/code_spec.rb spec/lrama/grammar/rule_builder_spec.rb spec/lrama/grammar/symbol_spec.rb spec/lrama/grammar/symbols/resolver_spec.rb spec/lrama/grammar_validator_spec.rb spec/lrama/integration_spec.rb spec/lrama/lexer/location_spec.rb spec/lrama/lexer/token/user_code_spec.rb spec/lrama/lexer_spec.rb spec/lrama/option_parser_spec.rb spec/lrama/output_spec.rb spec/lrama/parser_spec.rb spec/lrama/states_spec.rb
.............F...................................................................................................................................................................................................................................
Failures:
1) Lrama::Counterexamples#compute R/R conflicts when the grammar has a long rule name build counterexamples of R/R conflicts
Failure/Error: str << " " * (length - str.length)
ArgumentError:
negative argument
# ./lib/lrama/counterexamples/derivation.rb:47:in 'String#*'
# ./lib/lrama/counterexamples/derivation.rb:47:in 'Lrama::Counterexamples::Derivation#_render_for_report'
# ./lib/lrama/counterexamples/derivation.rb:45:in 'Lrama::Counterexamples::Derivation#_render_for_report'
# ./lib/lrama/counterexamples/derivation.rb:22:in 'Lrama::Counterexamples::Derivation#render_strings_for_report'
# ./lib/lrama/counterexamples/derivation.rb:27:in 'Lrama::Counterexamples::Derivation#render_for_report'
# ./spec/lrama/counterexamples_spec.rb:381:in 'block (5 levels) in <top (required)>'
Finished in 11.89 seconds (files took 0.13841 seconds to load)
241 examples, 1 failure
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@yui-knk I added a test case that reproduces the error. |
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This PR fix an error when
str.lengthis greater thanlength.Reproduced by parse.y below:
https://gist.github.com/ydah/70186de8a1ff14fa2cd16b338b9fc0e0