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Decouple DocumentLink's request and listener logic
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,162 @@ | ||
| # typed: strict | ||
| # frozen_string_literal: true | ||
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| require "ruby_lsp/requests/support/source_uri" | ||
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| module RubyLsp | ||
| module Listeners | ||
| class DocumentLink < Listener | ||
| extend T::Sig | ||
| extend T::Generic | ||
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| ResponseType = type_member { { fixed: T::Array[Interface::DocumentLink] } } | ||
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| GEM_TO_VERSION_MAP = T.let( | ||
| [*::Gem::Specification.default_stubs, *::Gem::Specification.stubs].map! do |s| | ||
| [s.name, s.version.to_s] | ||
| end.to_h.freeze, | ||
| T::Hash[String, String], | ||
| ) | ||
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| class << self | ||
| extend T::Sig | ||
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| sig { returns(T::Hash[String, T::Hash[String, T::Hash[String, String]]]) } | ||
| def gem_paths | ||
| @gem_paths ||= T.let( | ||
| begin | ||
| lookup = {} | ||
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| Gem::Specification.stubs.each do |stub| | ||
| spec = stub.to_spec | ||
| lookup[spec.name] = {} | ||
| lookup[spec.name][spec.version.to_s] = {} | ||
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| Dir.glob("**/*.rb", base: "#{spec.full_gem_path}/").each do |path| | ||
| lookup[spec.name][spec.version.to_s][path] = "#{spec.full_gem_path}/#{path}" | ||
| end | ||
| end | ||
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| Gem::Specification.default_stubs.each do |stub| | ||
| spec = stub.to_spec | ||
| lookup[spec.name] = {} | ||
| lookup[spec.name][spec.version.to_s] = {} | ||
| prefix_matchers = Regexp.union(spec.require_paths.map do |rp| | ||
| Regexp.new("^#{rp}/") | ||
| end) | ||
| prefix_matcher = Regexp.union(prefix_matchers, //) | ||
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| spec.files.each do |file| | ||
| path = file.sub(prefix_matcher, "") | ||
| lookup[spec.name][spec.version.to_s][path] = "#{RbConfig::CONFIG["rubylibdir"]}/#{path}" | ||
| end | ||
| end | ||
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| lookup | ||
| end, | ||
| T.nilable(T::Hash[String, T::Hash[String, T::Hash[String, String]]]), | ||
| ) | ||
| end | ||
| end | ||
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| sig { override.returns(ResponseType) } | ||
| attr_reader :_response | ||
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| sig do | ||
| params( | ||
| uri: URI::Generic, | ||
| comments: T::Array[Prism::Comment], | ||
| dispatcher: Prism::Dispatcher, | ||
| ).void | ||
| end | ||
| def initialize(uri, comments, dispatcher) | ||
| super(dispatcher) | ||
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| # Match the version based on the version in the RBI file name. Notice that the `@` symbol is sanitized to `%40` | ||
| # in the URI | ||
| path = uri.to_standardized_path | ||
| version_match = path ? /(?<=%40)[\d.]+(?=\.rbi$)/.match(path) : nil | ||
| @gem_version = T.let(version_match && version_match[0], T.nilable(String)) | ||
| @_response = T.let([], T::Array[Interface::DocumentLink]) | ||
| @lines_to_comments = T.let( | ||
| comments.to_h do |comment| | ||
| [comment.location.end_line, comment] | ||
| end, | ||
| T::Hash[Integer, Prism::Comment], | ||
| ) | ||
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| dispatcher.register( | ||
| self, | ||
| :on_def_node_enter, | ||
| :on_class_node_enter, | ||
| :on_module_node_enter, | ||
| :on_constant_write_node_enter, | ||
| :on_constant_path_write_node_enter, | ||
| ) | ||
| end | ||
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| sig { params(node: Prism::DefNode).void } | ||
| def on_def_node_enter(node) | ||
| extract_document_link(node) | ||
| end | ||
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| sig { params(node: Prism::ClassNode).void } | ||
| def on_class_node_enter(node) | ||
| extract_document_link(node) | ||
| end | ||
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| sig { params(node: Prism::ModuleNode).void } | ||
| def on_module_node_enter(node) | ||
| extract_document_link(node) | ||
| end | ||
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| sig { params(node: Prism::ConstantWriteNode).void } | ||
| def on_constant_write_node_enter(node) | ||
| extract_document_link(node) | ||
| end | ||
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| sig { params(node: Prism::ConstantPathWriteNode).void } | ||
| def on_constant_path_write_node_enter(node) | ||
| extract_document_link(node) | ||
| end | ||
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| private | ||
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| sig { params(node: Prism::Node).void } | ||
| def extract_document_link(node) | ||
| comment = @lines_to_comments[node.location.start_line - 1] | ||
| return unless comment | ||
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| match = comment.location.slice.match(%r{source://.*#\d+$}) | ||
| return unless match | ||
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| uri = T.cast(URI(T.must(match[0])), URI::Source) | ||
| gem_version = resolve_version(uri) | ||
| return if gem_version.nil? | ||
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| file_path = self.class.gem_paths.dig(uri.gem_name, gem_version, CGI.unescape(uri.path)) | ||
| return if file_path.nil? | ||
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| @_response << Interface::DocumentLink.new( | ||
| range: range_from_location(comment.location), | ||
| target: "file://#{file_path}##{uri.line_number}", | ||
| tooltip: "Jump to #{file_path}##{uri.line_number}", | ||
| ) | ||
| end | ||
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| # Try to figure out the gem version for a source:// link. The order of precedence is: | ||
| # 1. The version in the URI | ||
| # 2. The version in the RBI file name | ||
| # 3. The version from the gemspec | ||
| sig { params(uri: URI::Source).returns(T.nilable(String)) } | ||
| def resolve_version(uri) | ||
| version = uri.gem_version | ||
| return version unless version.nil? || version.empty? | ||
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| return @gem_version unless @gem_version.nil? || @gem_version.empty? | ||
|
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| GEM_TO_VERSION_MAP[uri.gem_name] | ||
| end | ||
| end | ||
| end | ||
| end |
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