Class: C

Inherits:
Object
  • Object
show all
Defined in:
lib/rake/c.rb

Constant Summary collapse

@@cflags = 
'-Wall'
@@ldflags = 
''
@@compiler = 
ENV['CC'] || 'cc'
@@ar = 
ENV['AR'] || 'ar'
@@builddir = 
'build'
@@sourcedir = 
'src'
@@libs = 
''

Class Method Summary collapse

Class Method Details

.ar ⇒ Object 



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# File 'lib/rake/c.rb', line 30

def C.ar
  @@ar
end

.ar=(ar) ⇒ Object 



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# File 'lib/rake/c.rb', line 34

def C.ar= ar
  @@ar = ar
end

.cc ⇒ Object 



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# File 'lib/rake/c.rb', line 22

def C.cc
  @@compiler
end

.cc=(cc) ⇒ Object 



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# File 'lib/rake/c.rb', line 26

def C.cc= cc
  @@compiler = cc
end

.cflags ⇒ Object 



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# File 'lib/rake/c.rb', line 38

def C.cflags
  @@cflags
end

.cflags=(flags) ⇒ Object 



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# File 'lib/rake/c.rb', line 42

def C.cflags= flags
  @@cflags = flags
end

.clean ⇒ Object 



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# File 'lib/rake/c.rb', line 18

def C.clean
  run "rm -rf \"#{@@builddir}\""
end

.ldflags ⇒ Object 



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# File 'lib/rake/c.rb', line 46

def C.ldflags
  @@ldflags
end

.ldflags=(flags) ⇒ Object 



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# File 'lib/rake/c.rb', line 50

def C.ldflags= flags
  @@ldflags = flags
end

.library(name, files) ⇒ Object 



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# File 'lib/rake/c.rb', line 54

def C.library name, files
  @@libs += " \"-I#{@@sourcedir}/#{name}\""
  cflags = @@cflags
  thelib = "#{@@builddir}/lib#{name}.a"
  objects = Array.new
  files.each do |f|
    type = /\.[a-zA-Z0-9]+$/.match(f).to_s
    if type == '.c' || type == '.cc' || type == '.cpp' then
      o = f.ext('.o')
      d = f.ext('.deps.rb')
      theobject = "#{@@builddir}/objects/#{name}/#{o}"
      thedeps = "#{@@builddir}/objects/#{name}/#{d}"
      thesource = "#{@@sourcedir}/#{name}/#{f}"
      objects.push theobject
      Rake::FileTask.define_task theobject => [thesource] do
        puts "[CC] #{theobject}"
        run "mkdir -p \"#{@@builddir}/objects/#{name}\""
        xxx = run "#{@@compiler} #{cflags}#{@@libs} -M \"#{thesource}\""
        xx = []
        File.open(thedeps, 'w') do |f|
          f.puts '# This file was automatically generated. Do not edit!'
          xxx.scan(/\s([^\s\\]+)/) do |x| xx.push x[0] end
          f.puts "Rake::FileTask.define_task #{theobject.dump} => #{xx}"
        end
        run "#{@@compiler} #{cflags}#{@@libs} -c -o \"#{theobject}\" \"#{thesource}\""
      end
      load thedeps if File.file? thedeps
      Rake::FileTask.define_task thelib => [theobject]
    else
      objects.push f
    end
  end
  Rake::FileTask.define_task thelib do
    puts "[AR] #{thelib}"
    run "#{@@ar} rcs \"#{thelib}\" \"#{objects.join '" "'}\""
  end
  Rake::Task.define_task :default => thelib
  Rake::Task.define_task :clean => :c_clean
end

.program(name, files) ⇒ Object 



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# File 'lib/rake/c.rb', line 94

def C.program name, files
  cflags = @@cflags
  theprogram = "#{@@builddir}/#{name}"
  objects = Array.new
  files.each do |f|
    type = /\.[a-zA-Z0-9]+$/.match(f).to_s
    if type == '.c' || type == '.cc' || type == '.cpp' then
      o = f.ext('.o')
      d = f.ext('.deps.rb')
      theobject = "#{@@builddir}/objects/#{o}"
      thedeps = "#{@@builddir}/objects/#{d}"
      thesource = "#{@@sourcedir}/#{f}"
      objects.push theobject
      Rake::FileTask.define_task theobject => [thesource] do
        puts "[CC] #{theobject}"
        run "mkdir -p \"#{@@builddir}/objects\""
        xxx = run "#{@@compiler} #{cflags}#{@@libs} -M \"#{thesource}\""
        xx = []
        File.open(thedeps, 'w') do |f|
          f.puts '# This file was automatically generated. Do not edit!'
          xxx.scan(/\s([^\s\\]+)/) do |x| xx.push x[0] end
          f.puts "Rake::FileTask.define_task #{theobject.dump} => #{xx}"
        end
        run "#{@@compiler} #{cflags}#{@@libs} -c -o \"#{theobject}\" \"#{thesource}\""
      end
      load thedeps if File.file? thedeps
      Rake::FileTask.define_task theprogram => [theobject]
    elsif type == '.a' then
      thefile = "#{@@builddir}/#{f}"
      Rake::FileTask.define_task theprogram => [thefile]
      objects.push thefile
    else
      objects.push f
    end
  end
  Rake::FileTask.define_task theprogram do
    puts "[LD] #{theprogram}"
    run "#{@@compiler} #{@@ldflags} \"-L#{@@builddir}\" -o \"#{theprogram}\" \"#{objects.join '" "'}\""
  end
  Rake::Task.define_task :default => theprogram
  Rake::Task.define_task :clean => :c_clean
end

.run(cmd) ⇒ Object 



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# File 'lib/rake/c.rb', line 12

def C.run cmd
  r = `#{cmd}`
  raise "Error: '#{cmd}'" unless $?.success?
  return r
end