Class: Yoda::Typing::ConstantResolver::Query Abstract

Inherits:
Object
  • Object
show all
Defined in:
lib/yoda/typing/constant_resolver/query.rb

Overview

This class is abstract.

Direct Known Subclasses

CbaseQuery, CodeQuery, MemberQuery, RelativeBaseQuery

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.from_node(node, tracer: nil) ⇒ Object

Parameters:



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# File 'lib/yoda/typing/constant_resolver/query.rb', line 9

def from_node(node, tracer: nil)
  case node.type
  when :cbase
    CbaseQuery.new
  when :empty
    RelativeBaseQuery.new
  when :const
    MemberQuery.new(parent: from_node(node.base, tracer: tracer), name: node.name.name.to_s, tracer: tracer && NodeTracer.new(node: node, tracer: tracer))
  else
    CodeQuery.new(node: node)
  end
end

.from_string(string, parent: RelativeBaseQuery.new) ⇒ Object 



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# File 'lib/yoda/typing/constant_resolver/query.rb', line 22

def from_string(string, parent: RelativeBaseQuery.new)
  base, child = string.split("::", 2)

  case base
  when nil
    parent
  when ""
    base_query = CbaseQuery.new

    if child.nil?
      base_query
    else
      from_string(child, parent: base_query)
    end
  else
    base_query = MemberQuery.new(parent: parent, name: base)

    if child.nil?
      base_query
    else
      from_string(child, parent: base_query)
    end
  end
end

Instance Method Details

#base ⇒ Query

Returns:



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# File 'lib/yoda/typing/constant_resolver/query.rb', line 60

def base
  if parent
    parent.base
  else
    self
  end
end

#parent ⇒ Query?

This method is abstract.

Returns:



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# File 'lib/yoda/typing/constant_resolver/query.rb', line 50

def parent
  fail NotImplementedError
end

#tracer ⇒ NodeTracer?

Returns:



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# File 'lib/yoda/typing/constant_resolver/query.rb', line 55

def tracer
  nil
end