Class: Minjs::ECMA262::StWith

Inherits:
Statement show all
Defined in:
lib/minjs/ecma262/statement.rb

Overview

Base class of ECMA262 WithStatement element.

See Also:

Instance Attribute Summary collapse

Attributes inherited from Base

#parent

Instance Method Summary collapse

Methods inherited from Statement

#empty?, #priority, #to_exp?, #to_return?

Methods inherited from Base

#add_remove_paren, #concat

Constructor Details

#initialize(var_env, exp, statement) ⇒ StWith

Returns a new instance of StWith.



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# File 'lib/minjs/ecma262/statement.rb', line 1158

def initialize(var_env, exp, statement)
  @var_env = var_env
  @exp = exp
  @statement = statement
end

Instance Attribute Details

#exp ⇒ Object (readonly)

Returns the value of attribute exp.



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# File 'lib/minjs/ecma262/statement.rb', line 1156

def exp
  @exp
end

#statement ⇒ Object (readonly)

Returns the value of attribute statement.



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# File 'lib/minjs/ecma262/statement.rb', line 1156

def statement
  @statement
end

#var_env ⇒ Object (readonly)

Returns the value of attribute var_env.



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# File 'lib/minjs/ecma262/statement.rb', line 1156

def var_env
  @var_env
end

Instance Method Details

#==(obj) ⇒ Object

compare object



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# File 'lib/minjs/ecma262/statement.rb', line 1188

def ==(obj)
  self.class == obj.class and
    @exp == obj.exp and
    @statement == obj.statement
end

#add_paren ⇒ Object

add parenthesis if need



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# File 'lib/minjs/ecma262/statement.rb', line 1209

def add_paren
  self
end

#deep_dup ⇒ Object

duplicate object

See Also:



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# File 'lib/minjs/ecma262/statement.rb', line 1166

def deep_dup
  self.class.new(@var_env, @exp.deep_dup, @statement.deep_dup)
end

#remove_paren ⇒ Object

remove parenthesis if possible



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# File 'lib/minjs/ecma262/statement.rb', line 1201

def remove_paren
  if @exp.kind_of? ExpParen
    @exp = @exp.val
  end
  self
end

#replace(from, to) ⇒ Object

Replaces children object.

See Also:



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# File 'lib/minjs/ecma262/statement.rb', line 1172

def replace(from, to)
  if @exp .eql? from
    @exp = to
  elsif @statement = to
    @statement = to
  end
end

#to_js(options = {}) ⇒ Object

Returns a ECMAScript string containg the representation of element.

See Also:



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# File 'lib/minjs/ecma262/statement.rb', line 1196

def to_js(options = {})
  concat options, :with, "(", @exp, ")", @statement
end

#traverse(parent) {|parent, _self| ... } ⇒ Object

Traverses this children and itself with given block.

Yields:

Yield Parameters:



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# File 'lib/minjs/ecma262/statement.rb', line 1181

def traverse(parent, &block)
  @exp.traverse(self, &block)
  @statement.traverse(self, &block)
  yield parent, self
end