Class: Opal::Nodes::BreakNode

Inherits:
Base
  • Object
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, Helpers::PROTO_SPECIAL_METHODS, Helpers::PROTO_SPECIAL_PROPS, Helpers::RESERVED_FUNCTION_NAMES

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, #has_rescue_else?, #helper, #in_ensure, #in_ensure?, #in_while?, #initialize, #process, #push, #recv, #recv?, #s, #scope, #stmt, #stmt?, truthy_optimize?, #unshift, #while_loop, #with_temp, #wrap

Methods included from Helpers

#current_indent, #empty_line, #indent, #ivar, #js_falsy, #js_truthy, #js_truthy_optimize, #line, #lvar_to_js, #mid_to_jsid, #property, #valid_ivar_name?, #valid_name?, #variable

Constructor Details

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

Instance Method Details

#break_valObject


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

def break_val
  if value.nil?
    expr(s(:nil))
  elsif children.size > 1
    expr(s(:array, *children))
  else
    expr(value)
  end
end

#compileObject


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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_iterObject


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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?
  compiler.has_break!
  line 'Opal.brk(', break_val, ', $brk)'
end

#compile_whileObject


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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