Decode SourceDecodeDefinition

class Definition

A symbol with attached documentation.

Definitions

def initialize(name, parent: nil, language: parent.language, comments: nil)

Initialize the symbol.

Signature

parameter name Symbol

The name of the definition.

parameter parent Symbol

The parent lexical scope.

parameter language Language

The language in which the symbol is defined in.

parameter comments Array(String)

The comments associated with the definition.

Implementation

def initialize(name, parent: nil, language: parent.language, comments: nil)
	@name = name
	
	@parent = parent
	@language = language
	
	@comments = comments
	
	@path = nil
	@qualified_name = nil
end

attr :name

The symbol name. e.g. :Decode.

Signature

attribute Symbol

attr :parent

The parent definition, defining lexical scope.

Signature

attribute Definition | Nil

attr :language

The language the symbol is defined within.

Signature

attribute Language::Generic

attr :comments

The comment lines which directly preceeded the definition.

Signature

attribute Array(String)

def qualified_name

The qualified name is an absolute name which includes any and all namespacing.

Signature

returns String

Implementation

def qualified_name
	@qualified_name ||= begin
		if @parent
			@parent.qualified_name + self.nested_name
		else
			@name.to_s
		end
	end
end

def nested_name

The name of this definition plus the nesting prefix.

Signature

returns String

Implementation

def nested_name
	"::#{@name}"
end

def start_with?(prefix)

Does the definition name match the specified prefix?

Signature

returns Boolean

Implementation

def start_with?(prefix)
	self.nested_name.start_with?(prefix)
end

def convert(kind)

Convert this definition into another kind of definition.

Implementation

def convert(kind)
	raise ArgumentError, "Unable to convert #{self} into #{kind}!"
end

def path

The lexical scope as an array of names. e.g. [:Decode, :Definition]

Signature

returns Array

Implementation

def path
	if @path
		# Cached version:
		@path
	elsif @parent
		# Merge with parent:
		@path = [*@parent.path, *path_name].freeze
	else
		# At top:
		@path = path_name.freeze
	end
end

def short_form

A short form of the definition. e.g. def short_form.

Signature

returns String | nil

Implementation

def short_form
end

def long_form

A long form of the definition. e.g. def initialize(kind, name, comments, **options).

Signature

returns String | nil

Implementation

def long_form
	self.short_form
end

def qualified_form

A long form which uses the qualified name if possible. Defaults to Decode::Definition#long_form.

Signature

returns String | nil

Implementation

def qualified_form
	self.long_form
end

def multiline?

Whether the definition spans multiple lines.

Signature

returns Boolean

Implementation

def multiline?
	false
end

def text

The full text of the definition.

Signature

returns String | nil

Implementation

def text
end

def container?

Whether this definition can contain nested definitions.

Signature

returns Boolean

Implementation

def container?
	false
end

def nested?

Whether this represents a single entity to be documented (along with it's contents).

Signature

returns Boolean

Implementation

def nested?
	container?
end

def documentation

Structured access to the definitions comments.

Signature

returns Documentation | Nil

A class Decode::Documentation instance if this definition has comments.

Implementation

def documentation
	if @comments&.any?
		@documentation ||= Documentation.new(@comments, @language)
	end
end

def location

The location of the definition.

Signature

returns Location | Nil

A class Decode::Location instance if this definition has a location.

Implementation

def location
	nil
end