Class: SorbetBaml::Converter

Inherits:
Object
  • Object
show all
Extended by:
T::Sig
Defined in:
lib/sorbet_baml/converter.rb

Overview

Main converter class for transforming Sorbet types to BAML

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Converter

Returns a new instance of Converter.



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# File 'lib/sorbet_baml/converter.rb', line 56

def initialize(options = {})
  @options = options
  @indent_size = T.let(options.fetch(:indent_size, 2), Integer)
  @include_descriptions = T.let(options.fetch(:include_descriptions, true), T::Boolean)
  @include_dependencies = T.let(options.fetch(:include_dependencies, true), T::Boolean)
end

Class Method Details

.from_enum(klass, options = {}) ⇒ Object 



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# File 'lib/sorbet_baml/converter.rb', line 51

def self.from_enum(klass, options = {})
  new(options).convert_enum(klass)
end

.from_struct(klass, options = {}) ⇒ Object 



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# File 'lib/sorbet_baml/converter.rb', line 13

def self.from_struct(klass, options = {})
  new(options).convert_struct(klass)
end

.from_structs(klasses, options = {}) ⇒ Object 



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# File 'lib/sorbet_baml/converter.rb', line 18

def self.from_structs(klasses, options = {})
  converter = new(options)

  if converter.instance_variable_get(:@include_dependencies)
    # When dependencies are enabled, collect all unique dependencies and convert once
    all_dependencies = Set.new
    enum_dependencies = Set.new

    klasses.each do |klass|
      deps = DependencyResolver.resolve_dependencies(klass)
      all_dependencies.merge(deps)
      enum_deps = converter.send(:find_enum_dependencies, deps)
      enum_dependencies.merge(enum_deps)
    end

    # Convert all unique types
    converted_types = []
    enum_dependencies.each { |enum_klass| converted_types << converter.convert_enum(enum_klass) }
    all_dependencies.each { |struct_klass| converted_types << converter.send(:convert_single_struct, struct_klass) }

    converted_types.join("\n\n")
  else
    # When dependencies are disabled, convert each struct individually
    klasses.map { |klass| converter.send(:convert_single_struct, klass) }.join("\n\n")
  end
end

.from_tool(klass, options = {}) ⇒ Object 



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# File 'lib/sorbet_baml/converter.rb', line 46

def self.from_tool(klass, options = {})
  new(options).convert_tool(klass)
end

Instance Method Details

#convert_enum(klass) ⇒ Object 



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# File 'lib/sorbet_baml/converter.rb', line 85

def convert_enum(klass)
  class_name = klass.name || klass.to_s
  simple_name = class_name.split('::').last
  lines = ["enum #{simple_name} {"]

  # Extract comments if requested
  comments = @include_descriptions ? CommentExtractor.extract_enum_comments(klass) : {}

  # Get all enum values by calling values method
  enum_values = klass.values
  enum_values.each do |enum_instance|
    value = enum_instance.serialize

    # Find the constant name for this value
    constant_name = T.let(nil, T.nilable(String))
    klass.constants.each do |const_name|
      const_value = klass.const_get(const_name)
      if const_value.is_a?(klass) && const_value.serialize == value
        constant_name = const_name.to_s
        break
      end
    end

    line = "#{' ' * @indent_size}\"#{value}\""

    # Add description if available (BAML uses @description annotations, not comments)
    if @include_descriptions && constant_name && comments[constant_name]
      line += " @description(\"#{T.must(comments[constant_name]).gsub('"', '\\"')}\")"
    end

    lines << line
  end

  lines << '}'
  lines.join("\n")
end

#convert_struct(klass) ⇒ Object 



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# File 'lib/sorbet_baml/converter.rb', line 64

def convert_struct(klass)
  if @include_dependencies
    # Get all dependencies in correct order and convert them all
    dependencies = DependencyResolver.resolve_dependencies(klass)

    # Also find all enum dependencies
    enum_dependencies = find_enum_dependencies(dependencies)

    # Convert enums first, then structs
    converted_types = []
    enum_dependencies.each { |enum_klass| converted_types << convert_enum(enum_klass) }
    dependencies.each { |dep_klass| converted_types << convert_single_struct(dep_klass) }

    converted_types.join("\n\n")
  else
    # Just convert the single struct
    convert_single_struct(klass)
  end
end

#convert_tool(klass) ⇒ Object 



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# File 'lib/sorbet_baml/converter.rb', line 123

def convert_tool(klass)
  # Tools generate BAML class definitions similar to structs but for tool specifications
  # They can include action fields with @description annotations
  props = klass.props

  class_name = klass.name || klass.to_s
  simple_name = class_name.split('::').last
  lines = ["class #{simple_name} {"]

  # Extract comments if requested
  comments = @include_descriptions ? CommentExtractor.extract_field_comments(klass) : {}

  props.each do |name, prop_info|
    baml_type = TypeMapper.map_type(prop_info[:type_object])
    line = "#{' ' * @indent_size}#{name} #{baml_type}"

    # Add description if available (BAML uses @description annotations)
    if @include_descriptions && comments[name.to_s]
      escaped_comment = T.must(comments[name.to_s]).gsub('"', '\\"')
      line += " @description(\"#{escaped_comment}\")"
    end

    lines << line
  end

  lines << '}'
  lines.join("\n")
end