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69 lines
2.8 KiB
Ruby
69 lines
2.8 KiB
Ruby
# typed: strict
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# frozen_string_literal: true
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require "method_source"
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require "rubocop"
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require_relative "../../../rubocops"
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module Tapioca
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module Compilers
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class RuboCop < Tapioca::Dsl::Compiler
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# This should be a module whose singleton class contains RuboCop::AST::NodePattern::Macros,
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# but I don't know how to express that in Sorbet.
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ConstantType = type_member { { fixed: Module } }
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sig { override.returns(T::Enumerable[Module]) }
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def self.gather_constants
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all_modules.select do |klass|
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next unless klass.singleton_class < ::RuboCop::AST::NodePattern::Macros
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path = T.must(Object.const_source_location(klass.to_s)).fetch(0).to_s
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# exclude vendored code, to avoid contradicting their RBI files
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!path.include?("/vendor/bundle/ruby/") &&
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# exclude source code that already has an RBI file
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!File.exist?("#{path}i") &&
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# exclude source code that doesn't use the DSLs
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File.readlines(path).any?(/def_node_/)
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end
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end
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sig { override.void }
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def decorate
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root.create_path(constant) do |klass|
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constant.instance_methods(false).each do |method_name|
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source = constant.instance_method(method_name).source.lstrip
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# For more info on these DSLs:
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# https://www.rubydoc.info/gems/rubocop-ast/RuboCop/AST/NodePattern/Macros
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# https://github.com/rubocop/rubocop-ast/blob/HEAD/lib/rubocop/ast/node_pattern.rb
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# https://github.com/rubocop/rubocop-ast/blob/HEAD/lib/rubocop/ast/node_pattern/method_definer.rb
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# The type signatures below could maybe be stronger, but I only wanted to avoid errors:
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case source
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when /\Adef_node_matcher/
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# https://github.com/Shopify/tapioca/blob/3341a9b/lib/tapioca/rbi_ext/model.rb#L89
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klass.create_method(
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method_name.to_s,
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parameters: [
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create_param("node", type: "RuboCop::AST::Node"),
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create_kw_rest_param("kwargs", type: "T.untyped"),
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create_block_param("block", type: "T.untyped"),
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],
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return_type: "T.untyped",
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)
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when /\Adef_node_search/
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klass.create_method(
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method_name.to_s,
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parameters: [
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create_param("node", type: "RuboCop::AST::Node"),
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create_rest_param("pattern", type: "T.any(String, Symbol)"),
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create_kw_rest_param("kwargs", type: "T.untyped"),
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create_block_param("block", type: "T.untyped"),
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],
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return_type: method_name.to_s.end_with?("?") ? "T::Boolean" : "T.untyped",
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)
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end
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end
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end
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end
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end
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end
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end
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