ruby/lib/syntax_suggest/lex_value.rb

71 строка
1.5 KiB
Ruby

# frozen_string_literal: true
module SyntaxSuggest
# Value object for accessing lex values
#
# This lex:
#
# [1, 0], :on_ident, "describe", CMDARG
#
# Would translate into:
#
# lex.line # => 1
# lex.type # => :on_indent
# lex.token # => "describe"
class LexValue
attr_reader :line, :type, :token, :state
def initialize(line, type, token, state, last_lex = nil)
@line = line
@type = type
@token = token
@state = state
set_kw_end(last_lex)
end
private def set_kw_end(last_lex)
@is_end = false
@is_kw = false
return if type != :on_kw
#
return if last_lex && last_lex.fname? # https://github.com/ruby/ruby/commit/776759e300e4659bb7468e2b97c8c2d4359a2953
case token
when "if", "unless", "while", "until"
# Only count if/unless when it's not a "trailing" if/unless
# https://github.com/ruby/ruby/blob/06b44f819eb7b5ede1ff69cecb25682b56a1d60c/lib/irb/ruby-lex.rb#L374-L375
@is_kw = true unless expr_label?
when "def", "case", "for", "begin", "class", "module", "do"
@is_kw = true
when "end"
@is_end = true
end
end
def fname?
state.allbits?(Ripper::EXPR_FNAME)
end
def ignore_newline?
type == :on_ignored_nl
end
def is_end?
@is_end
end
def is_kw?
@is_kw
end
def expr_beg?
state.anybits?(Ripper::EXPR_BEG)
end
def expr_label?
state.allbits?(Ripper::EXPR_LABEL)
end
end
end