Class: RubyRunJs::BuiltInContext

Inherits:
Object
  • Object
show all
Includes:
Helper
Defined in:
lib/ruby_run_js/builtin_context.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Helper

#check_object, #get_member, #get_member_dot, #is_accessor_descriptor, #is_callable, #is_data_descriptor, #is_generic_descriptor, #is_primitive, #make_error, #strict_equality

Methods included from ConversionHelper

#convert_to_js_type, #to_boolean, #to_int32, #to_integer, #to_number, #to_object, #to_primitive, #to_string, #to_uint16, #to_uint32

Constructor Details

#initialize ⇒ BuiltInContext

Returns a new instance of BuiltInContext.



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# File 'lib/ruby_run_js/builtin_context.rb', line 14

def initialize

  @object_prototype = JsObject.new(nil)
  @function_prototype = JsFunction.new(proc { |*_| undefined }, nil, nil, 'Function', self, false, nil, @object_prototype)
  @array_prototype = JsArray.new(0, @object_prototype)
  @string_prototype = JsString.new('', @object_prototype)
  @boolean_prototype = JsBoolean.new(false, @object_prototype)
  @number_prototype = JsNumber.new(0.0, @object_prototype)
  @date_prototype = JsDate.new(Float::NAN, @object_prototype)
  @regexp_prototype = JsRegExp.new('', '', @object_prototype)
  @error_prototype = JsError.new('', @object_prototype)

  @math = JsMath.new(@object_prototype)
  @json = JsJson.new(@object_prototype)
  @global = GlobalScope.new(self)
  @global.this_binding = @global

  @object_constructor = new_construct_function(JsObjectMethods, 'Object')
  @function_constructor = new_construct_function(JsFunctionMethods, 'Function')
  @array_constructor = new_construct_function(JsArrayMethods, 'Array')
  @string_constructor = new_construct_function(JsStringMethods, 'String')
  @boolean_constructor = new_construct_function(JsBooleanMethods, 'Boolean')
  @number_constructor = new_construct_function(JsNumberMethods, 'Number')
  @date_constructor = new_construct_function(JsDateMethods, 'Date')
  @regexp_constructor = new_construct_function(JsRegExpMethods, 'RegExp')
  @error_constructor = new_construct_function(JsErrorMethods, 'Error')

  fill_constructor(@object_constructor, JsObjectMethods, 1, @object_prototype)
  fill_constructor(@function_constructor, JsFunctionMethods, 1, @function_prototype)
  set_freeze(@function_constructor, 'length', 1.0)

  fill_constructor(@array_constructor, JsArrayMethods, 1, @array_prototype)
  fill_constructor(@string_constructor, JsStringMethods, 1, @string_prototype)
  fill_constructor(@boolean_constructor, JsBooleanMethods, 1, @boolean_prototype)
  fill_constructor(@number_constructor, JsNumberMethods, 1, @number_prototype)
  fill_constructor(@date_constructor, JsDateMethods, 7, @date_prototype)
  fill_constructor(@regexp_constructor, JsRegExpMethods, 2, @regexp_prototype)
  fill_constructor(@error_constructor, JsErrorMethods, 1, @error_prototype)

  fill_constructor_with_properties(@math, JsMathMethods)
  fill_constructor_with_properties(@json, JsJsonMethods)
  fill_constructor_with_properties(@global, JsGlobalMethods)

  fill_prototype(@object_prototype, JsObjectMethods, @object_constructor)
  fill_prototype(@function_prototype, JsFunctionMethods, @function_constructor)
  set_freeze(@function_prototype, 'length', 0.0)

  fill_prototype(@array_prototype, JsArrayMethods, @array_constructor)
  fill_prototype(@string_prototype, JsStringMethods, @string_constructor)
  fill_prototype(@boolean_prototype, JsBooleanMethods, @boolean_constructor)
  fill_prototype(@number_prototype, JsNumberMethods, @number_constructor)
  fill_prototype(@date_prototype, JsDateMethods, @date_constructor)
  fill_prototype(@regexp_prototype, JsRegExpMethods, @regexp_constructor)
  fill_prototype(@error_prototype, JsErrorMethods, @error_constructor)

  set_non_enumerable(@error_prototype, 'name', 'Error')
  set_non_enumerable(@error_prototype, 'message', '')

  @native_error_constructors = {}
  @native_error_prototypes = {}

  ['EvalError', 'RangeError',\
  'ReferenceError', 'SyntaxError', 'TypeError',\
  'URIError'].each do |error_name|

    prototype = JsError.new('', @error_prototype)

    @native_error_prototypes[error_name] = prototype

    constructor_func = proc do |_, _, message|
      JsError.new(message == undefined ? message : to_string(message), prototype)
    end

    constructor = new_native_function(constructor_func, error_name)

    set_non_enumerable(constructor, '__new__', constructor)

    set_freeze(constructor, 'length', 1.0)
    set_freeze(constructor, 'prototype', prototype)

    set_non_enumerable(prototype, 'constructor', constructor)
    set_non_enumerable(prototype, 'name', error_name)
    set_non_enumerable(prototype, 'message', '')

    @native_error_constructors[error_name] = constructor

  end

  js_log_func = new_native_function(proc { |_, _, c| puts(c) }, 'log')

  console = new_object()
  console.put('log', js_log_func)

  set_non_enumerable(@global, 'Object', @object_constructor)
  set_non_enumerable(@global, 'Function', @function_constructor)
  set_non_enumerable(@global, 'Array', @array_constructor)
  set_non_enumerable(@global, 'String', @string_constructor)
  set_non_enumerable(@global, 'Boolean', @boolean_constructor)
  set_non_enumerable(@global, 'Number', @number_constructor)
  set_non_enumerable(@global, 'Date', @date_constructor)
  set_non_enumerable(@global, 'RegExp', @regexp_constructor)
  set_non_enumerable(@global, 'Error', @error_constructor)
  set_non_enumerable(@global, 'Math', @math)
  set_non_enumerable(@global, 'JSON', @json)
  set_non_enumerable(@global, 'console', console)
  
  @native_error_constructors.each_pair do |name, constructor|
    set_non_enumerable(@global, name, constructor)
  end
end

Instance Attribute Details

#array_constructor ⇒ Object (readonly)

Returns the value of attribute array_constructor.



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# File 'lib/ruby_run_js/builtin_context.rb', line 7

def array_constructor
  @array_constructor
end

#array_prototype ⇒ Object (readonly)

Returns the value of attribute array_prototype.



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# File 'lib/ruby_run_js/builtin_context.rb', line 6

def array_prototype
  @array_prototype
end

#boolean_constructor ⇒ Object (readonly)

Returns the value of attribute boolean_constructor.



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# File 'lib/ruby_run_js/builtin_context.rb', line 7

def boolean_constructor
  @boolean_constructor
end

#boolean_prototype ⇒ Object (readonly)

Returns the value of attribute boolean_prototype.



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# File 'lib/ruby_run_js/builtin_context.rb', line 6

def boolean_prototype
  @boolean_prototype
end

#date_constructor ⇒ Object (readonly)

Returns the value of attribute date_constructor.



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# File 'lib/ruby_run_js/builtin_context.rb', line 7

def date_constructor
  @date_constructor
end

#date_prototype ⇒ Object (readonly)

Returns the value of attribute date_prototype.



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# File 'lib/ruby_run_js/builtin_context.rb', line 6

def date_prototype
  @date_prototype
end

#error_constructor ⇒ Object (readonly)

Returns the value of attribute error_constructor.



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# File 'lib/ruby_run_js/builtin_context.rb', line 7

def error_constructor
  @error_constructor
end

#error_prototype ⇒ Object (readonly)

Returns the value of attribute error_prototype.



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# File 'lib/ruby_run_js/builtin_context.rb', line 6

def error_prototype
  @error_prototype
end

#executor ⇒ Object

Returns the value of attribute executor.



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# File 'lib/ruby_run_js/builtin_context.rb', line 10

def executor
  @executor
end

#funtion_constructor ⇒ Object (readonly)

Returns the value of attribute funtion_constructor.



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# File 'lib/ruby_run_js/builtin_context.rb', line 7

def funtion_constructor
  @funtion_constructor
end

#funtion_prototype ⇒ Object (readonly)

Returns the value of attribute funtion_prototype.



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# File 'lib/ruby_run_js/builtin_context.rb', line 6

def funtion_prototype
  @funtion_prototype
end

#global ⇒ Object (readonly)

Returns the value of attribute global.



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# File 'lib/ruby_run_js/builtin_context.rb', line 8

def global
  @global
end

#interpreter ⇒ Object

Returns the value of attribute interpreter.



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# File 'lib/ruby_run_js/builtin_context.rb', line 10

def interpreter
  @interpreter
end

#json ⇒ Object (readonly)

Returns the value of attribute json.



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# File 'lib/ruby_run_js/builtin_context.rb', line 8

def json
  @json
end

#math ⇒ Object (readonly)

Returns the value of attribute math.



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# File 'lib/ruby_run_js/builtin_context.rb', line 8

def math
  @math
end

#number_constructor ⇒ Object (readonly)

Returns the value of attribute number_constructor.



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# File 'lib/ruby_run_js/builtin_context.rb', line 7

def number_constructor
  @number_constructor
end

#number_prototype ⇒ Object (readonly)

Returns the value of attribute number_prototype.



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# File 'lib/ruby_run_js/builtin_context.rb', line 6

def number_prototype
  @number_prototype
end

#object_constructor ⇒ Object (readonly)

Returns the value of attribute object_constructor.



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# File 'lib/ruby_run_js/builtin_context.rb', line 7

def object_constructor
  @object_constructor
end

#object_prototype ⇒ Object (readonly)

Returns the value of attribute object_prototype.



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# File 'lib/ruby_run_js/builtin_context.rb', line 6

def object_prototype
  @object_prototype
end

#regexp_constructor ⇒ Object (readonly)

Returns the value of attribute regexp_constructor.



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# File 'lib/ruby_run_js/builtin_context.rb', line 7

def regexp_constructor
  @regexp_constructor
end

#regexp_prototype ⇒ Object (readonly)

Returns the value of attribute regexp_prototype.



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# File 'lib/ruby_run_js/builtin_context.rb', line 6

def regexp_prototype
  @regexp_prototype
end

#string_constructor ⇒ Object (readonly)

Returns the value of attribute string_constructor.



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# File 'lib/ruby_run_js/builtin_context.rb', line 7

def string_constructor
  @string_constructor
end

#string_prototype ⇒ Object (readonly)

Returns the value of attribute string_prototype.



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# File 'lib/ruby_run_js/builtin_context.rb', line 6

def string_prototype
  @string_prototype
end

Instance Method Details

#new_arguments_obj(args) ⇒ Object 



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# File 'lib/ruby_run_js/builtin_context.rb', line 183

def new_arguments_obj(args)
  obj = new_object()
  obj._class = 'Arguments'
  obj.define_own_property('length', {
    'value' => args.length.to_f,
    'writable' => true,
    'enumerable' => false,
    'configurable' => true
  }, false)
  args.length.times do |i|
    obj.put(i.to_s, args[i])
  end
  obj
end

#new_array(length = 0) ⇒ Object 



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# File 'lib/ruby_run_js/builtin_context.rb', line 141

def new_array(length = 0)
  JsArray.new(length, @array_prototype)
end

#new_array_with_items(items) ⇒ Object 



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# File 'lib/ruby_run_js/builtin_context.rb', line 145

def new_array_with_items(items)
  arr = JsArray.new(0, @array_prototype)
  arr.set_items(items)
  arr
end

#new_boolean(value) ⇒ Object 



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# File 'lib/ruby_run_js/builtin_context.rb', line 159

def new_boolean(value)
  JsBoolean.new(value, @boolean_prototype)
end

#new_construct_function(js_class, name) ⇒ Object 



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# File 'lib/ruby_run_js/builtin_context.rb', line 133

def new_construct_function(js_class, name)
  new_native_function(js_class.method(:constructor), name)
end

#new_date(value) ⇒ Object 



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# File 'lib/ruby_run_js/builtin_context.rb', line 167

def new_date(value)
  JsDate.new(value, @date_prototype)
end

#new_date_by_ruby_time(rb_time) ⇒ Object 



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# File 'lib/ruby_run_js/builtin_context.rb', line 171

def new_date_by_ruby_time(rb_time)
  JsDate.new((rb_time.to_f.round(3) * 1000).to_i, @date_prototype)
end

#new_error(type, msg) ⇒ Object 



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# File 'lib/ruby_run_js/builtin_context.rb', line 175

def new_error(type, msg)
  prototype = @error_prototype
  if @native_error_prototypes.key?(type)
    prototype = @native_error_prototypes[type]
  end
  JsError.new(msg, prototype)
end

#new_function(code, scope, params, name, is_declaraion, definitions) ⇒ Object 



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# File 'lib/ruby_run_js/builtin_context.rb', line 129

def new_function(code, scope, params, name, is_declaraion, definitions)
  JsFunction.new(code, scope, params, name, self, is_declaraion, definitions, @function_prototype)
end

#new_native_function(native_func, name) ⇒ Object 



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# File 'lib/ruby_run_js/builtin_context.rb', line 137

def new_native_function(native_func, name)
  new_function(native_func, nil, native_func.parameters[2..], name, false, nil)
end

#new_number(value) ⇒ Object 



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# File 'lib/ruby_run_js/builtin_context.rb', line 163

def new_number(value)
  JsNumber.new(value, @number_prototype)
end

#new_object ⇒ Object 



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# File 'lib/ruby_run_js/builtin_context.rb', line 125

def new_object()
  JsObject.new(@object_prototype)
end

#new_regexp(body, flags) ⇒ Object 



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# File 'lib/ruby_run_js/builtin_context.rb', line 155

def new_regexp(body, flags)
  JsRegExp.new(body, flags, @regexp_prototype)
end

#new_string(value = '') ⇒ Object 



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# File 'lib/ruby_run_js/builtin_context.rb', line 151

def new_string(value = '')
  JsString.new(value, @string_prototype)
end