Class: Atomy::EvalLocalState

Inherits:
LocalState show all
Defined in:
lib/atomy/locals.rb

Instance Attribute Summary

Attributes inherited from LocalState

#parent

Instance Method Summary collapse

Constructor Details

#initialize(variable_scope) ⇒ EvalLocalState

Returns a new instance of EvalLocalState.



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# File 'lib/atomy/locals.rb', line 25

def initialize(variable_scope)
  @variable_scope = variable_scope
end

Instance Method Details

#local_count ⇒ Object 



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# File 'lib/atomy/locals.rb', line 49

def local_count
  0
end

#local_names ⇒ Object 



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# File 'lib/atomy/locals.rb', line 53

def local_names
  []
end

#new_local(name) ⇒ Object 



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# File 'lib/atomy/locals.rb', line 44

def new_local(name)
  variable = CodeTools::Compiler::EvalLocalVariable.new(name)
  variables[name] = variable
end

#search_local(name) ⇒ Object

Returns a cached reference to a variable or searches all surrounding scopes for a variable. If no variable is found, it returns nil and a nested scope will create the variable in itself.



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# File 'lib/atomy/locals.rb', line 33

def search_local(name)
  if variable = variables[name]
    return variable.nested_reference
  end

  if variable = search_scopes(name)
    variables[name] = variable
    return variable.nested_reference
  end
end