Module: Unparser::Constants

Included in:: Emitter

Defined in:: lib/unparser/constants.rb

Overview

All unparser constants maybe included in other libraries.

Constant Summary collapse

UNARY_OPERATORS =

%w(
  ! ~ -@ +@
).map(&:to_sym).to_set

BINARY_OPERATORS =

%w(
  + - * / & | && || << >> ==
  === != <= < <=> > >= =~ !~ ^
  ** %
).map(&:to_sym).to_set

COMMENT =

'#'.freeze

WS =

' '

NL =

"\n"

T_DOT =

'.'

T_LT =

'<'

T_DLT =

'<<'

T_AMP =

'&'

T_ASN =

'='

T_SPLAT =

'*'

T_DSPLAT =

'**'

T_ASR =

'=>'

T_PIPE =

'|'

T_DCL =

'::'

T_NEG =

'!'

T_OR =

'||'

T_AND =

'&&'

T_COLON =

':'

M_PO =

'('

M_PC =

')'

K_DO =

'do'

K_DEF =

'def'

K_END =

'end'

K_BEGIN =

'begin'

K_CASE =

'case'

K_CLASS =

'class'

K_SELF =

'self'

K_ENSURE =

'ensure'

K_DEFINE =

'define'

K_MODULE =

'module'

K_RESCUE =

'rescue'

K_RETURN =

'return'

K_UNDEF =

'undef'

K_DEFINED =

'defined?'

K_PREEXE =

'BEGIN'

K_POSTEXE =

'END'

K_SUPER =

'super'

K_BREAK =

'break'

K_RETRY =

'retry'

K_REDO =

'redo'

K_NEXT =

'next'

K_FALSE =

'false'

K_TRUE =

'true'

K_IF =

'if'

K_AND =

'and'

K_ALIAS =

'alias'

K_ELSE =

'else'

K_ELSIF =

'elsif'

K_FOR =

'for'

K_NIL =

'nil'

K_NOT =

'not'

K_IN =

'in'

K_OR =

'or'

K_UNLESS =

'unless'

K_WHEN =

'when'

K_WHILE =

'while'

K_UNTIL =

'until'

K_YIELD =

'yield'

K_ENCODING =

'__ENCODING__'

K_EEND =

'__END__'

K_FILE =

'__FILE__'

K_THEN =

'then'

TERMINATED =

[
  :int, :float, :self, :kwbegin, :const, :regexp, :args, :lvar,
  :ivar, :gvar, :cvar, :if, :case, :module, :class, :sclass, :super,
  :yield, :zsuper, :break, :next, :defined?, :str, :block, :while, :loop, :until,
  :def, :defs, :true, :false, :nil, :array, :hash, :sym, :return
].to_set

KEYWORDS =

constants.each_with_object([]) do |name, keywords|
  value = const_get(name).freeze
  if name.to_s.start_with?('K_')
    keywords << value.to_sym
  end
end.to_set.freeze