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Regex string allocation #1943

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merged 4 commits into from
Dec 16, 2019
Merged

Regex string allocation #1943

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489e900
Use Regexp instead of // for regex in router.rb for a more efficient …
ericproulx Dec 14, 2019
4c2f098
Put back 1942 changelog
ericproulx Dec 15, 2019
e955d70
Fix * in changelog
ericproulx Dec 15, 2019
fd8099d
Merge branch 'master' into regex_string_allocation
ericproulx Dec 15, 2019
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2 changes: 1 addition & 1 deletion CHANGELOG.md
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Expand Up @@ -3,7 +3,7 @@
#### Features

* Your contribution here.
* [#1942](https://github.com/ruby-grape/grape/pull/1942): Optimized retained memory methods - [@ericproulx](https://github.com/ericproulx).
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* [#1943](https://github.com/ruby-grape/grape/pull/1943): Reduce number of regex string allocations - [@ericproulx](https://github.com/ericproulx).
* [#1941](https://github.com/ruby-grape/grape/pull/1941): Frozen string literal - [@ericproulx](https://github.com/ericproulx).
* [#1940](https://github.com/ruby-grape/grape/pull/1940): Get rid of a needless step in HashWithIndifferentAccess - [@dnesteryuk](https://github.com/dnesteryuk).
* [#1938](https://github.com/ruby-grape/grape/pull/1938): Add project metadata to the gemspec - [@orien](https://github.com/orien).
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4 changes: 2 additions & 2 deletions lib/grape/router.rb
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Expand Up @@ -38,7 +38,7 @@ def compile!
routes = map[method]
@optimized_map[method] = routes.map.with_index do |route, index|
route.index = index
route.regexp = /(?<_#{index}>#{route.pattern.to_regexp})/
route.regexp = Regexp.new("(?<_#{index}>#{route.pattern.to_regexp})")
end
@optimized_map[method] = Regexp.union(@optimized_map[method])
end
Expand All @@ -50,7 +50,7 @@ def append(route)
end

def associate_routes(pattern, **options)
regexp = /(?<_#{@neutral_map.length}>)#{pattern.to_regexp}/
regexp = Regexp.new("(?<_#{@neutral_map.length}>)#{pattern.to_regexp}")
@neutral_map << Any.new(pattern, regexp: regexp, index: @neutral_map.length, **options)
end

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