Class: Ast::Crispr::Ruby::Prism::Adapter

Inherits:
Object
  • Object
show all
Defined in:
lib/ast/crispr/ruby/prism.rb

Instance Method Summary collapse

Instance Method Details

#comment_region_text(document, comment_region) ⇒ Object 



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# File 'lib/ast/crispr/ruby/prism.rb', line 58

def comment_region_text(document, comment_region)
  document.location_slice(comment_region.location).rstrip
end

#comment_regions_for(document, owner, region: :leading, owner_scope: :shared_default) ⇒ Object 



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# File 'lib/ast/crispr/ruby/prism.rb', line 46

def comment_regions_for(document, owner, region: :leading, owner_scope: :shared_default)
  analysis = document.ast
  owners = structural_owners(document, owner_scope: owner_scope)

  case region
  when :leading
    analysis.leading_comments_for_owner(owner, owners: owners)
  else
    raise Ast::Crispr::Error.new('Unsupported CRISPR comment region', details: { region: region })
  end
end

#read_ast(document) ⇒ Object

Raises:

  • (Ast::Crispr::Error) 


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# File 'lib/ast/crispr/ruby/prism.rb', line 26

def read_ast(document)
  analysis = Utils.parse_analysis(document.content, source_label: document.source_label)
  return analysis if analysis.valid?

  raise Ast::Crispr::Error.new("Unable to read structural owners from #{document.source_label}",
                               details: { source_label: document.source_label })
end

#structural_owners(document, owner_scope: :shared_default) ⇒ Object 



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# File 'lib/ast/crispr/ruby/prism.rb', line 34

def structural_owners(document, owner_scope: :shared_default)
  analysis = document.ast
  case owner_scope
  when :shared_default, :line_bound_statements, :top_level_statements
    analysis.statements
  when :ruby_comments
    analysis.parse_result.comments
  else
    raise Ast::Crispr::Error.new('Unsupported CRISPR owner scope', details: { owner_scope: owner_scope })
  end
end

#structure_profile(owner_scope: :shared_default) ⇒ Object 



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# File 'lib/ast/crispr/ruby/prism.rb', line 62

def structure_profile(owner_scope: :shared_default)
  case owner_scope
  when :shared_default, :line_bound_statements, :top_level_statements
    Ast::Crispr::StructureProfile.new(
      owner_scope: owner_scope,
      owner_selector: :line_bound_statements,
      supported_comment_regions: [:leading],
      metadata: { adapter: :prism }
    )
  when :ruby_comments
    Ast::Crispr::StructureProfile.new(
      owner_scope: owner_scope,
      owner_selector: :line_bound_statements,
      supported_comment_regions: [],
      metadata: { adapter: :prism, selector: :ruby_comments }
    )
  else
    raise Ast::Crispr::Error.new('Unsupported CRISPR owner scope', details: { owner_scope: owner_scope })
  end
end