Class: Steep::Project::SourceFile

Inherits:
Object
  • Object
show all
Defined in:
lib/steep/project/file.rb

Defined Under Namespace

Classes: AnnotationSyntaxErrorStatus, ParseErrorStatus, TypeCheckErrorStatus, TypeCheckStatus

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path:) ⇒ SourceFile

Returns a new instance of SourceFile.



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# File 'lib/steep/project/file.rb', line 16

def initialize(path:)
  @path = path
  @content = false
  self.content = ""
end

Instance Attribute Details

#content ⇒ Object

Returns the value of attribute content.



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# File 'lib/steep/project/file.rb', line 5

def content
  @content
end

#content_updated_at ⇒ Object (readonly)

Returns the value of attribute content_updated_at.



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# File 'lib/steep/project/file.rb', line 6

def content_updated_at
  @content_updated_at
end

#factory ⇒ Object (readonly)

Returns the value of attribute factory.



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# File 'lib/steep/project/file.rb', line 7

def factory
  @factory
end

#path ⇒ Object (readonly)

Returns the value of attribute path.



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# File 'lib/steep/project/file.rb', line 4

def path
  @path
end

#status ⇒ Object

Returns the value of attribute status.



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# File 'lib/steep/project/file.rb', line 9

def status
  @status
end

Instance Method Details

#errors ⇒ Object 



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# File 'lib/steep/project/file.rb', line 30

def errors
  case status
  when TypeCheckStatus
    status.typing.errors
    # errors.reject do |error|
    #   case
    #   when error.is_a?(Errors::FallbackAny)
    #     !options.fallback_any_is_error
    #   when error.is_a?(Errors::MethodDefinitionMissing)
    #     options.allow_missing_definitions
    #   end
    # end
  else
    []
  end
end

#parse(factory) ⇒ Object 



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# File 'lib/steep/project/file.rb', line 99

def parse(factory)
  if status.is_a?(TypeCheckStatus)
    yield status.source
  else
    yield Source.parse(content, path: path.to_s, factory: factory, labeling: ASTUtils::Labeling.new)
  end
rescue AnnotationParser::SyntaxError => exn
  Steep.logger.warn { "Annotation syntax error on #{path}: #{exn.inspect}" }
  @status = AnnotationSyntaxErrorStatus.new(error: exn, location: exn.location)
rescue ::Parser::SyntaxError, EncodingError => exn
  Steep.logger.warn { "Source parsing error on #{path}: #{exn.inspect}" }
  @status = ParseErrorStatus.new(error: exn)
end

#type_check(subtyping, env_updated_at) ⇒ Object 



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# File 'lib/steep/project/file.rb', line 47

def type_check(subtyping, env_updated_at)
  # skip type check
  return false if status.is_a?(TypeCheckStatus) && env_updated_at <= status.timestamp

  parse(subtyping.factory) do |source|
    typing = Typing.new

    if source
      annotations = source.annotations(block: source.node, factory: subtyping.factory, current_module: AST::Namespace.root)
      const_env = TypeInference::ConstantEnv.new(factory: subtyping.factory, context: nil)
      type_env = TypeInference::TypeEnv.build(annotations: annotations,
                                              subtyping: subtyping,
                                              const_env: const_env,
                                              signatures: subtyping.factory.env)

      construction = TypeConstruction.new(
        checker: subtyping,
        annotations: annotations,
        source: source,
        context: TypeInference::Context.new(
          block_context: nil,
          module_context: TypeInference::Context::ModuleContext.new(
            instance_type: nil,
            module_type: nil,
            implement_name: nil,
            current_namespace: AST::Namespace.root,
            const_env: const_env,
            class_name: nil
          ),
          method_context: nil,
          break_context: nil,
          self_type: AST::Builtin::Object.instance_type,
          type_env: type_env
        ),
        typing: typing
      )

      construction.synthesize(source.node)
    end

    @status = TypeCheckStatus.new(
      typing: typing,
      source: source,
      timestamp: Time.now
    )
  rescue => exn
    @status = TypeCheckErrorStatus.new(error: exn)
  end

  true
end