Class: Tapioca::Static::SymbolTableParser

Inherits:
Object
  • Object
show all
Extended by:
T::Sig
Defined in:
lib/tapioca/static/symbol_table_parser.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ SymbolTableParser

Returns a new instance of SymbolTableParser.



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# File 'lib/tapioca/static/symbol_table_parser.rb', line 24

def initialize
  @symbols = T.let(Set.new, T::Set[String])
  @parents = T.let([], T::Array[String])
end

Instance Attribute Details

#symbols ⇒ Object (readonly)

Returns the value of attribute symbols.



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# File 'lib/tapioca/static/symbol_table_parser.rb', line 21

def symbols
  @symbols
end

Class Method Details

.parse_json(json_string) ⇒ Object 



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# File 'lib/tapioca/static/symbol_table_parser.rb', line 10

def self.parse_json(json_string)
  obj = JSON.parse(json_string)

  parser = SymbolTableParser.new
  parser.parse_object(obj)
  parser.symbols
rescue JSON::ParserError
  Set.new
end

Instance Method Details

#fully_qualified_name(name) ⇒ Object 



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# File 'lib/tapioca/static/symbol_table_parser.rb', line 57

def fully_qualified_name(name)
  [*@parents, name].join("::")
end

#parse_object(object) ⇒ Object 



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# File 'lib/tapioca/static/symbol_table_parser.rb', line 30

def parse_object(object)
  children = object.fetch("children", [])

  children.each do |child|
    kind = child.fetch("kind")
    name = child.fetch("name")
    name = name.fetch("name") if name.is_a?(Hash)

    next if kind.nil? || name.nil?

    # TODO: CLASS is removed since v0.4.4730 of Sorbet
    # but keeping here for backward compatibility. Remove
    # once the minimum version is moved past that.
    next unless ["CLASS", "CLASS_OR_MODULE", "STATIC_FIELD"].include?(kind)
    next if name =~ /[<>()$]/
    next if name =~ /^[0-9]+$/
    next if name == "T::Helpers"

    @symbols.add(fully_qualified_name(name))

    @parents << name
    parse_object(child)
    @parents.pop
  end
end