module Parser
module Parser::AST
module Parser::Builders
module Parser::Lexer::Explanation
module Parser::Meta
module Parser::Source
class Array
class Parser::AST::Node
class Parser::AST::Processor
class Parser::Base
class Parser::Builders::Default
class Parser::ClobberingError
class Parser::Diagnostic
class Parser::Diagnostic::Engine
class Parser::Lexer
class Parser::Lexer::Dedenter
class Parser::Lexer::Literal
class Parser::Lexer::StackState
class Parser::MacRuby
class Parser::Rewriter
class Parser::Ruby18
class Parser::Ruby19
class Parser::Ruby20
class Parser::Ruby21
class Parser::Ruby22
class Parser::Ruby23
class Parser::Ruby24
class Parser::RubyMotion
class Parser::Runner
class Parser::Runner::RubyParse
class Parser::Runner::RubyParse::LocationProcessor
class Parser::Runner::RubyRewrite
class Parser::Source::Buffer
class Parser::Source::Comment
class Parser::Source::Comment::Associator
class Parser::Source::Map
class Parser::Source::Map::Collection
class Parser::Source::Map::Condition
class Parser::Source::Map::Constant
class Parser::Source::Map::Definition
class Parser::Source::Map::For
class Parser::Source::Map::Heredoc
class Parser::Source::Map::Keyword
class Parser::Source::Map::ObjcKwarg
class Parser::Source::Map::Operator
class Parser::Source::Map::RescueBody
class Parser::Source::Map::Send
class Parser::Source::Map::Ternary
class Parser::Source::Map::Variable
class Parser::Source::Range
class Parser::Source::Rewriter
class Parser::Source::Rewriter::Action
class Parser::StaticEnvironment
class Parser::SyntaxError
class ParserGauntlet
class String
parser
2.3.1.4
# stack_pop
def stack_pop @top -= 1 @stack[@top] end