Module: Hashira::Analysis::Syntax

Defined in:
lib/hashira/analysis/syntax.rb

Class Method Summary collapse

Class Method Details

.anchor(stack, segments, roots) ⇒ Object 



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# File 'lib/hashira/analysis/syntax.rb', line 26

def anchor(stack, segments, roots)
  return (stack.last || []) + segments if segments.length < 2 || !roots
  base = stack.reverse_each.find { roots.include?(it + segments.first(1)) }
  base ? base + segments : hoist(stack, segments, roots)
end

.cbase?(node) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/hashira/analysis/syntax.rb', line 20

def cbase?(node)
  return false unless node.is_a?(Prism::ConstantPathNode)
  parent = node.parent
  !parent || cbase?(parent)
end

.direct(type_node) ⇒ Object 



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# File 'lib/hashira/analysis/syntax.rb', line 36

def direct(type_node)
  body = type_node.body
  (body.is_a?(Prism::StatementsNode) ? body.body : [body]).grep(Prism::DefNode)
end

.hoist(stack, segments, roots) ⇒ Object 



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# File 'lib/hashira/analysis/syntax.rb', line 32

def hoist(stack, segments, roots)
  roots.include?(segments.first(1)) ? segments : (stack.last || []) + segments
end

.label(node) ⇒ Object 



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# File 'lib/hashira/analysis/syntax.rb', line 18

def label(node) = [node.name.to_s]

.segments(node) ⇒ Object 



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# File 'lib/hashira/analysis/syntax.rb', line 10

def segments(node)
  case node
  when Prism::ConstantReadNode then [node.name.to_s]
  when Prism::ConstantPathNode then segments(node.parent) + label(node)
  else []
  end
end