Class: Opal::Nodes::EnsureNode

Inherits:
Base show all
Defined in:
opal/lib/opal/nodes/rescue.rb

Constant Summary

Constants included from Helpers

Helpers::RESERVED

Instance Attribute Summary

Attributes inherited from Base

#compiler, #type

Instance Method Summary collapse

Methods inherited from Base

#add_ivar, #add_local, #add_temp, children, #children, #compile_to_fragments, #error, #expr, #expr?, #expr_or_nil, #fragment, handle, handlers, #helper, #in_while?, #initialize, #process, #push, #recv, #recv?, #s, #scope, #stmt, #stmt?, #unshift, #while_loop, #with_temp, #wrap

Methods included from Helpers

#current_indent, #empty_line, #indent, #js_falsy, #js_truthy, #js_truthy_optimize, #line, #lvar_to_js, #mid_to_jsid, #property, #reserved?, #variable

Constructor Details

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

Instance Method Details

#body_sexp ⇒ Object 



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# File 'opal/lib/opal/nodes/rescue.rb', line 40

def body_sexp
  wrap_in_closure? ? compiler.returns(begn) : begn
end

#compile ⇒ Object 



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# File 'opal/lib/opal/nodes/rescue.rb', line 30

def compile
  push "try {"
  line compiler.process(body_sexp, @level)
  line "} finally {"
  line compiler.process(ensr_sexp, @level)
  line "}"

  wrap '(function() {', '; })()' if wrap_in_closure?
end

#ensr_sexp ⇒ Object 



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# File 'opal/lib/opal/nodes/rescue.rb', line 44

def ensr_sexp
  ensr || s(:nil)
end

#wrap_in_closure? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'opal/lib/opal/nodes/rescue.rb', line 48

def wrap_in_closure?
  recv? or expr?
end