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pry--pry/lib/pry/platform.rb
Kyrylo Silin 187c199e77 Deprecate Pry::Platform and introduce Pry::Helpers::Platform
`Pry::Platform` really looks like a helper and therefore should be defined as
one. Invoking `Pry::Platform` emits a warning now. Users are encouraged to use
`Pry::Helpers::Platform`.
2018-11-02 01:52:09 +08:00

99 lines
2.1 KiB
Ruby

class Pry
module Platform
extend self
#
# @return [Boolean]
# Returns true if Pry is running on Mac OSX.
#
# @note
# Queries RbConfig::CONFIG['host_os'] with a best guess.
#
def mac_osx?
!!(RbConfig::CONFIG['host_os'] =~ /\Adarwin/i)
end
#
# @return [Boolean]
# Returns true if Pry is running on Linux.
#
# @note
# Queries RbConfig::CONFIG['host_os'] with a best guess.
#
def linux?
!!(RbConfig::CONFIG['host_os'] =~ /linux/i)
end
#
# @return [Boolean]
# Returns true if Pry is running on Windows.
#
# @note
# Queries RbConfig::CONFIG['host_os'] with a best guess.
#
def windows?
!!(RbConfig::CONFIG['host_os'] =~ /mswin|mingw/)
end
#
# @return [Boolean]
# Returns true when Pry is running on Windows with ANSI support.
#
def windows_ansi?
return false if not windows?
!!(defined?(Win32::Console) or ENV['ANSICON'] or mri_2?)
end
#
# @return [Boolean]
# Returns true when Pry is being run from JRuby.
#
def jruby?
RbConfig::CONFIG['ruby_install_name'] == 'jruby'
end
#
# @return [Boolean]
# Returns true when Pry is being run from JRuby in 1.9 mode.
#
def jruby_19?
jruby? and RbConfig::CONFIG['ruby_version'] == '1.9'
end
#
# @return [Boolean]
# Returns true when Pry is being run from MRI (CRuby).
#
def mri?
RbConfig::CONFIG['ruby_install_name'] == 'ruby'
end
#
# @return [Boolean]
# Returns true when Pry is being run from MRI v1.9+ (CRuby).
#
def mri_19?
!!(mri? and RUBY_VERSION =~ /\A1\.9/)
end
#
# @return [Boolean]
# Returns true when Pry is being run from MRI v2+ (CRuby).
#
def mri_2?
!!(mri? and RUBY_VERSION =~ /\A2/)
end
#
# @return [Array<Symbol>]
# Returns an Array of Ruby engines that Pry is known to run on.
#
def known_engines
[:jruby, :mri]
end
end
# Not supported on MRI 2.2 and lower.
deprecate_constant(:Platform) if respond_to?(:deprecate_constant)
end