Class: FFI::Compiler::CompileTask

Inherits:
Rake::TaskLib
  • Object
show all
Defined in:
lib/ffi-compiler/compile_task.rb

Direct Known Subclasses

Task

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name) {|_self| ... } ⇒ CompileTask

Returns a new instance of CompileTask.

Yields:

  • (_self)

Yield Parameters:



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# File 'lib/ffi-compiler/compile_task.rb', line 45

def initialize(name)
  @name = File.basename(name)
  @ext_dir = File.dirname(name)
  @source_dirs = [@ext_dir]
  @exclude = []
  @defines = []
  @include_paths = []
  @library_paths = []
  @libraries = []
  @headers = []
  @functions = []
  @cflags = Flags.new(shellsplit(ENV['CFLAGS']) || DEFAULT_CFLAGS.dup)
  @cxxflags = Flags.new(shellsplit(ENV['CXXFLAGS']) || DEFAULT_CFLAGS.dup)
  @ldflags = Flags.new(shellsplit(ENV['LDFLAGS']) || DEFAULT_LDFLAGS.dup)
  @libs = []
  @platform = Platform.system
  @exports = []

  yield self if block_given?
  define_task!
end

Instance Attribute Details

#cflags ⇒ Object (readonly)

Returns the value of attribute cflags.



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# File 'lib/ffi-compiler/compile_task.rb', line 42

def cflags
  @cflags
end

#cxxflags ⇒ Object (readonly)

Returns the value of attribute cxxflags.



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# File 'lib/ffi-compiler/compile_task.rb', line 42

def cxxflags
  @cxxflags
end

#exclude ⇒ Object

Returns the value of attribute exclude.



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# File 'lib/ffi-compiler/compile_task.rb', line 43

def exclude
  @exclude
end

#ext_dir ⇒ Object

Returns the value of attribute ext_dir.



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# File 'lib/ffi-compiler/compile_task.rb', line 43

def ext_dir
  @ext_dir
end

#ldflags ⇒ Object (readonly)

Returns the value of attribute ldflags.



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# File 'lib/ffi-compiler/compile_task.rb', line 42

def ldflags
  @ldflags
end

#libs ⇒ Object (readonly)

Returns the value of attribute libs.



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# File 'lib/ffi-compiler/compile_task.rb', line 42

def libs
  @libs
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/ffi-compiler/compile_task.rb', line 43

def name
  @name
end

#platform ⇒ Object (readonly)

Returns the value of attribute platform.



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# File 'lib/ffi-compiler/compile_task.rb', line 42

def platform
  @platform
end

#source_dirs ⇒ Object

Returns the value of attribute source_dirs.



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# File 'lib/ffi-compiler/compile_task.rb', line 43

def source_dirs
  @source_dirs
end

Instance Method Details

#add_define(name, value = 1) ⇒ Object 



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# File 'lib/ffi-compiler/compile_task.rb', line 71

def add_define(name, value=1)
  @defines << "-D#{name}=#{value}"
end

#add_include_path(path) ⇒ Object 



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# File 'lib/ffi-compiler/compile_task.rb', line 67

def add_include_path(path)
  @include_paths << path
end

#export(rb_file) ⇒ Object 



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# File 'lib/ffi-compiler/compile_task.rb', line 104

def export(rb_file)
  @exports << { :rb_file => rb_file, :header => File.join(@ext_dir, File.basename(rb_file).sub(/\.rb$/, '.h')) }
end

#find_library(lib, func, *paths) ⇒ Object 



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# File 'lib/ffi-compiler/compile_task.rb', line 100

def find_library(lib, func, *paths)
  try_library(lib, function: func, paths: @library_paths) || try_library(libname, function: func, paths: paths)
end

#have_func?(func) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ffi-compiler/compile_task.rb', line 75

def have_func?(func)
  main = "extern void \#{func}();\nint main(int argc, char **argv) { \#{func}(); return 0; }\n"

  if try_compile(main)
    @functions << func
    return true
  end
  false
end

#have_header?(header, *paths) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ffi-compiler/compile_task.rb', line 88

def have_header?(header, *paths)
  try_header(header, @include_paths) || try_header(header, paths)
end

#have_library(lib, func = nil, headers = nil, &b) ⇒ Object 



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# File 'lib/ffi-compiler/compile_task.rb', line 96

def have_library(lib, func = nil, headers = nil, &b)
  try_library(lib, function: func, headers: headers, paths: @library_paths)
end

#have_library?(libname, *paths) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ffi-compiler/compile_task.rb', line 92

def have_library?(libname, *paths)
  try_library(libname, paths: @library_paths) || try_library(libname, paths: paths)
end