Sha256: e9626a28513d46e10c716465787ffee8e501256e5b40c5b0744181f68f05fa5c
Contents?: true
Size: 1.9 KB
Versions: 24
Compression:
Stored size: 1.9 KB
Contents
# frozen_string_literal: true
class Code
class Node
class If < Node
IF_KEYWORD = "if"
UNLESS_KEYWORD = "unless"
ELSIF_KEYWORD = "elsif"
ELSE_KEYWORD = "else"
class Else < Node
attr_reader :operator, :statement, :body
def initialize(parsed)
@operator = parsed.delete(:operator)
@body = Node::Code.new(parsed.delete(:body))
return unless parsed.key?(:statement)
@statement = Node::Statement.new(parsed.delete(:statement))
end
end
def initialize(parsed)
@first_operator = parsed.delete(:first_operator)
@first_statement = Node::Statement.new(parsed.delete(:first_statement))
@first_body = Node::Code.new(parsed.delete(:first_body))
@elses =
parsed.delete(:elses) { [] }.map { |elses| Node::If::Else.new(elses) }
super(parsed)
end
def evaluate(**args)
if @first_operator == IF_KEYWORD &&
@first_statement.evaluate(**args).truthy?
@first_body.evaluate(**args)
elsif @first_operator == UNLESS_KEYWORD &&
@first_statement.evaluate(**args).falsy?
@first_body.evaluate(**args)
else
@elses.each do |elses|
if elses.operator == ELSIF_KEYWORD &&
elses.statement.evaluate(**args).truthy?
return elses.body.evaluate(**args)
elsif elses.operator == IF_KEYWORD &&
elses.statement.evaluate(**args).truthy?
return elses.body.evaluate(**args)
elsif elses.operator == UNLESS_KEYWORD &&
elses.statement.evaluate(**args).falsy?
return elses.body.evaluate(**args)
elsif elses.operator == ELSE_KEYWORD
return elses.body.evaluate(**args)
end
end
::Code::Object::Nothing.new
end
end
end
end
end
Version data entries
24 entries across 24 versions & 1 rubygems