Class: Opal::Nodes::WhileNode

Inherits:
Base
  • Object
show all
Defined in:
opal/lib/opal/nodes/while.rb

Direct Known Subclasses

UntilNode, WhilePostNode

Instance Attribute Summary

Attributes inherited from Base

#compiler, #sexp, #type

Instance Method Summary collapse

Methods inherited from Base

#add_gvar, #add_ivar, #add_local, #add_temp, #children, children, #class_variable_owner, #class_variable_owner_nesting_level, #comments, #compile_to_fragments, #error, #expr, #expr?, #expr_or_nil, #fragment, handle, handlers, #has_rescue_else?, #helper, #in_ensure, #in_ensure?, #in_resbody, #in_resbody?, #in_rescue, #in_while?, #initialize, #process, #push, #recv, #recv?, #s, #scope, #source_location, #stmt, #stmt?, #top_scope, truthy_optimize?, #unshift, #while_loop, #with_temp, #wrap

Methods included from Helpers

#conditional_send, #current_indent, #empty_line, #indent, #js_truthy, #js_truthy_optimize, #line, #mid_to_jsid, #property, #valid_name?

Constructor Details

This class inherits a constructor from Opal::Nodes::Base

Instance Method Details

#compile ⇒ Object 



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# File 'opal/lib/opal/nodes/while.rb', line 12

def compile
  test_code = js_truthy(test)

  with_temp do |redo_var|
    compiler.in_while do
      while_loop[:closure] = true if wrap_in_closure?
      while_loop[:redo_var] = redo_var

      body_code = indent { stmt(body) }
      if uses_redo?
        compile_with_redo(test_code, body_code, redo_var)
      else
        compile_without_redo(test_code, body_code)
      end
    end
  end

  if wrap_in_closure?
    if scope.await_encountered
      wrap '(await (async function() {', '; return nil; })())'
    else
      wrap '(function() {', '; return nil; })()'
    end
  end
end