rscons/lib/rscons.rb

87 lines
2.3 KiB
Ruby

require_relative "rscons/builder"
require_relative "rscons/cache"
require_relative "rscons/environment"
require_relative "rscons/varset"
require_relative "rscons/version"
# default builders
require_relative "rscons/builders/cfile"
require_relative "rscons/builders/disassemble"
require_relative "rscons/builders/library"
require_relative "rscons/builders/object"
require_relative "rscons/builders/preprocess"
require_relative "rscons/builders/program"
# Namespace module for rscons classes
module Rscons
DEFAULT_BUILDERS = [
:CFile,
:Disassemble,
:Library,
:Object,
:Preprocess,
:Program,
]
class BuildError < RuntimeError; end
# Remove all generated files
def self.clean
cache = Cache.instance
# remove all built files
cache.targets.each do |target|
FileUtils.rm_f(target)
end
# remove all created directories if they are empty
cache.directories.sort {|a, b| b.size <=> a.size}.each do |directory|
next unless File.directory?(directory)
if (Dir.entries(directory) - ['.', '..']).empty?
Dir.rmdir(directory) rescue nil
end
end
cache.clear
end
# Return whether the given path is an absolute filesystem path or not
# @param path [String] the path to examine
def self.absolute_path?(path)
path =~ %r{^(/|\w:[\\/])}
end
# Return a new path by changing the suffix in path to suffix.
# @param path [String] the path to alter
# @param suffix [String] the new filename suffix
def self.set_suffix(path, suffix)
path.sub(/\.[^.]*$/, suffix)
end
# Return the system shell and arguments for executing a shell command.
# @return [Array<String>] The shell and flag.
def self.get_system_shell
@@shell ||=
begin
test_shell = lambda do |*args|
begin
"success" == IO.popen([*args, "echo success"]) do |io|
io.read.strip
end
rescue
false
end
end
if ENV["SHELL"] and ENV["SHELL"] != "" and test_shell[ENV["SHELL"], "-c"]
[ENV["SHELL"], "-c"]
elsif Object.const_get("RUBY_PLATFORM") =~ /mingw/
if test_shell["sh", "-c"]
# Using Rscons from MSYS should use MSYS's shell.
["sh", "-c"]
else
["cmd", "/c"]
end
else
["sh", "-c"]
end
end
end
end