Class: Evilution::AST::InheritanceScanner

Inherits:
Prism::Visitor
  • Object
show all
Defined in:
lib/evilution/ast/inheritance_scanner.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ InheritanceScanner

Returns a new instance of InheritanceScanner.



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# File 'lib/evilution/ast/inheritance_scanner.rb', line 10

def initialize
  @inheritance = {}
  @context = []
  super
end

Instance Attribute Details

#inheritance ⇒ Object (readonly)

Returns the value of attribute inheritance.



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# File 'lib/evilution/ast/inheritance_scanner.rb', line 8

def inheritance
  @inheritance
end

Class Method Details

.call(files) ⇒ Object 



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# File 'lib/evilution/ast/inheritance_scanner.rb', line 16

def self.call(files)
  scanner = new
  files.each do |file|
    source = File.read(file)
    result = Prism.parse(source)
    next if result.failure?

    scanner.visit(result.value)
  rescue SystemCallError
    next
  end
  scanner.inheritance
end

Instance Method Details

#visit_class_node(node) ⇒ Object 



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# File 'lib/evilution/ast/inheritance_scanner.rb', line 30

def visit_class_node(node)
  class_name = qualified_name(node.constant_path)

  @inheritance[class_name] = (qualified_superclass(node.superclass) if node.superclass)

  @context.push(constant_name(node.constant_path))
  super
  @context.pop
end

#visit_module_node(node) ⇒ Object 



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# File 'lib/evilution/ast/inheritance_scanner.rb', line 40

def visit_module_node(node)
  @context.push(constant_name(node.constant_path))
  super
  @context.pop
end