Class: Opal::Nodes::BreakNode

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

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_falsy, #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

#break_val ⇒ Object 



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# File 'opal/lib/opal/nodes/logic.rb', line 61

def break_val
  if value.nil?
    expr(s(:nil))
  else
    expr(value)
  end
end

#compile ⇒ Object 



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# File 'opal/lib/opal/nodes/logic.rb', line 37

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 55

def compile_iter
  error 'break must be used as a statement' unless stmt?

  line 'Opal.brk(', break_val, ', $brk)'
end

#compile_while ⇒ Object 



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# File 'opal/lib/opal/nodes/logic.rb', line 47

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