Class: Opal::Nodes::BreakNode

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

Constant Summary

Constants included from Helpers

Helpers::BASIC_IDENTIFIER_RULES, Helpers::ES3_RESERVED_WORD_EXCLUSIVE, Helpers::ES51_RESERVED_WORD, Helpers::IMMUTABLE_PROPS

Instance Attribute Summary

Attributes inherited from Base

#compiler, #type

Instance Method Summary collapse

Methods inherited from Base

#add_gvar, #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, #valid_name?, #variable

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/logic.rb', line 23

def compile
  if in_while?
    compile_while
  elsif scope.iter?
    compile_iter
  else
    error "void value expression: cannot use break outside of iter/while"
  end
end

#compile_iter ⇒ Object 



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# File 'opal/lib/opal/nodes/logic.rb', line 41

def compile_iter
  error "break must be used as a statement" unless stmt?
  push expr_or_nil(value)
  wrap "return ($breaker.$v = ", ", $breaker)"
end

#compile_while ⇒ Object 



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# File 'opal/lib/opal/nodes/logic.rb', line 33

def compile_while
  if while_loop[:closure]
    push "return ", expr_or_nil(value)
  else
    push "break;"
  end
end