class Minjs::ECMA262::StWhile
Base
class of ECMA262
‘while’ IterationStatement element.
@see www.ecma-international.org/ecma-262 ECMA262
12.6.2
Attributes
exp[R]
statement[R]
Public Class Methods
new(exp, statement)
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# File lib/minjs/ecma262/statement.rb, line 507 def initialize(exp, statement) @exp, @statement = exp, statement end
Public Instance Methods
==(obj)
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compare object
# File lib/minjs/ecma262/statement.rb, line 533 def ==(obj) self.class == obj.class and @exp == obj.exp and @statement == obj.statement end
add_paren()
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add parenthesis if need
# File lib/minjs/ecma262/statement.rb, line 560 def add_paren self end
deep_dup()
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duplicate object @see Base#deep_dup
# File lib/minjs/ecma262/statement.rb, line 513 def deep_dup self.class.new(@exp.deep_dup, @statement.deep_dup) end
remove_paren()
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remove parenthesis if possible
# File lib/minjs/ecma262/statement.rb, line 552 def remove_paren if @exp.kind_of? ExpParen @exp = @exp.val end self end
replace(from, to)
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Replaces children object. @see Base#replace
# File lib/minjs/ecma262/statement.rb, line 519 def replace(from, to) if from .eql? @statement @statement = to end end
to_js(options = {})
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Returns a ECMAScript string containg the representation of element. @see Base#to_js
# File lib/minjs/ecma262/statement.rb, line 541 def to_js(options = {}) if @statement.kind_of? StBlock and @statement.statement_list.length == 1 statement = @statement.statement_list.statement_list[0] else statement = @statement end concat(options, :while, "(", @exp, ")", statement) end
traverse(parent) { |parent, self| ... }
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Traverses this children and itself with given block.
# File lib/minjs/ecma262/statement.rb, line 526 def traverse(parent, &block) @exp.traverse(self, &block) @statement.traverse(self, &block) yield parent, self end