How to use the b2.build.type.register function in b2

import sys

def init():
    pass

# Feature controlling the command used to lanch test programs.
feature.feature("testing.launcher", [], ["free", "optional"])

feature.feature("test-info", [], ["free", "incidental"])
feature.feature("testing.arg", [], ["free", "incidental"])
feature.feature("testing.input-file", [], ["free", "dependency"])

feature.feature("preserve-test-targets", ["on", "off"], ["incidental", "propagated"])

# Register target types.
type.register("TEST", ["test"])
type.register("COMPILE", [], "TEST")
type.register("COMPILE_FAIL", [], "TEST")

type.register("RUN_OUTPUT", ["run"])
type.register("RUN", [], "TEST")
type.register("RUN_FAIL", [], "TEST")

type.register("LINK", [], "TEST")
type.register("LINK_FAIL", [], "TEST")
type.register("UNIT_TEST", ["passed"], "TEST")

__all_tests = []

# Declare the rules which create main targets. While the 'type' module already
# creates rules with the same names for us, we need extra convenience: default
# name of main target, so write our own versions.

feature.feature("testing.arg", [], ["free", "incidental"])
feature.feature("testing.input-file", [], ["free", "dependency"])

feature.feature("preserve-test-targets", ["on", "off"], ["incidental", "propagated"])

# Register target types.
type.register("TEST", ["test"])
type.register("COMPILE", [], "TEST")
type.register("COMPILE_FAIL", [], "TEST")

type.register("RUN_OUTPUT", ["run"])
type.register("RUN", [], "TEST")
type.register("RUN_FAIL", [], "TEST")

type.register("LINK", [], "TEST")
type.register("LINK_FAIL", [], "TEST")
type.register("UNIT_TEST", ["passed"], "TEST")

__all_tests = []

# Declare the rules which create main targets. While the 'type' module already
# creates rules with the same names for us, we need extra convenience: default
# name of main target, so write our own versions.

# Helper rule. Create a test target, using basename of first source if no target
# name is explicitly passed. Remembers the created target in a global variable.
def make_test(target_type, sources, requirements, target_name=None):
    assert isinstance(target_type, basestring)
    assert is_iterable_typed(sources, basestring)
    assert is_iterable_typed(requirements, basestring)
    assert isinstance(target_type, basestring) or target_type is None
    if not target_name:

feature.feature("test-info", [], ["free", "incidental"])
feature.feature("testing.arg", [], ["free", "incidental"])
feature.feature("testing.input-file", [], ["free", "dependency"])

feature.feature("preserve-test-targets", ["on", "off"], ["incidental", "propagated"])

# Register target types.
type.register("TEST", ["test"])
type.register("COMPILE", [], "TEST")
type.register("COMPILE_FAIL", [], "TEST")

type.register("RUN_OUTPUT", ["run"])
type.register("RUN", [], "TEST")
type.register("RUN_FAIL", [], "TEST")

type.register("LINK", [], "TEST")
type.register("LINK_FAIL", [], "TEST")
type.register("UNIT_TEST", ["passed"], "TEST")

__all_tests = []

# Declare the rules which create main targets. While the 'type' module already
# creates rules with the same names for us, we need extra convenience: default
# name of main target, so write our own versions.

# Helper rule. Create a test target, using basename of first source if no target
# name is explicitly passed. Remembers the created target in a global variable.
def make_test(target_type, sources, requirements, target_name=None):
    assert isinstance(target_type, basestring)
    assert is_iterable_typed(sources, basestring)
    assert is_iterable_typed(requirements, basestring)
    assert isinstance(target_type, basestring) or target_type is None

from b2.exceptions import AlreadyDefined
from b2.tools import builtin
from b2.util import regex
from b2.build.toolset import flags
from b2.manager import get_manager
from b2.util import utility

__debug = None

def debug():
    global __debug
    if __debug is None:
        __debug = "--debug-configuration" in bjam.variable("ARGV")
    return __debug

type.register('RC', ['rc'])

def init():
    pass

def configure (command = None, condition = None, options = None):
    """
        Configures a new resource compilation command specific to a condition,
        usually a toolset selection condition. The possible options are:

            * (rc|windres) - Indicates the type of options the command
              accepts.

        Even though the arguments are all optional, only when a command, condition,
        and at minimum the rc-type option are given will the command be configured.
        This is so that callers don't have to check auto-configuration values
        before calling this. And still get the functionality of build failures when

#     libxxx.lib     static library
#     xxx.dll        DLL
#     xxx.lib        import library
#
# On windows (mingw):
#     libxxx.a       static library
#     libxxx.dll     DLL
#     libxxx.dll.a   import library
#
# On cygwin i.e. cygwin
#     libxxx.a       static library
#     cygxxx.dll     DLL
#     libxxx.dll.a   import library
#

type.register('LIB')

# FIXME: should not register both extensions on both platforms.
type.register('STATIC_LIB', ['a', 'lib'], 'LIB')

# The 'lib' prefix is used everywhere
type.set_generated_target_prefix('STATIC_LIB', [], 'lib')

# Use '.lib' suffix for windows
type.set_generated_target_suffix('STATIC_LIB', ['windows'], 'lib')

# Except with gcc.
type.set_generated_target_suffix('STATIC_LIB', ['gcc', 'windows'], 'a')

# Use xxx.lib for import libs
type.register('IMPORT_LIB', [], 'STATIC_LIB')
type.set_generated_target_prefix('IMPORT_LIB', [], '')

def debug():
    global __debug
    if __debug is None:
        __debug = "--debug-configuration" in bjam.variable("ARGV")
    return __debug


# It is not yet clear what to do with Cygwin on python port.
def on_cygwin():
    return False


type.register('MANIFEST', ['manifest'])
feature.feature('embed-manifest',['on','off'], ['incidental', 'propagated']) ;

type.register('PDB',['pdb'])

################################################################################
#
# Public rules.
#
################################################################################

# Initialize a specific toolset version configuration. As the result, path to
# compiler and, possible, program names are set up, and will be used when that
# version of compiler is requested. For example, you might have:
#
#    using msvc : 6.5 : cl.exe ;
#    using msvc : 7.0 : Y:/foo/bar/cl.exe ;
#
# The version parameter may be omitted:
#

#
# On windows (mingw):
#     libxxx.a       static library
#     libxxx.dll     DLL
#     libxxx.dll.a   import library
#
# On cygwin i.e. cygwin
#     libxxx.a       static library
#     cygxxx.dll     DLL
#     libxxx.dll.a   import library
#

type.register('LIB')

# FIXME: should not register both extensions on both platforms.
type.register('STATIC_LIB', ['a', 'lib'], 'LIB')

# The 'lib' prefix is used everywhere
type.set_generated_target_prefix('STATIC_LIB', [], 'lib')

# Use '.lib' suffix for windows
type.set_generated_target_suffix('STATIC_LIB', ['windows'], 'lib')

# Except with gcc.
type.set_generated_target_suffix('STATIC_LIB', ['gcc', 'windows'], 'a')

# Use xxx.lib for import libs
type.register('IMPORT_LIB', [], 'STATIC_LIB')
type.set_generated_target_prefix('IMPORT_LIB', [], '')
type.set_generated_target_suffix('IMPORT_LIB', [], 'lib')

# Except with gcc (mingw or cygwin), where use libxxx.dll.a

def symlink(name, project, source, ps):
    a = virtual_target.Action([source], "symlink.ln", ps)
    return virtual_target.FileTarget(name, source.type(), project, a, exact=True)

def relink_file(project, source, ps):
    action = source[0].action()
    cloned_action = virtual_target.clone_action(action, project, "", ps)
    targets = cloned_action.targets()
    # We relink only on Unix, where exe or shared lib is always a single file.
    assert len(targets) == 1
    return targets[0]


# Declare installed version of the EXE type. Generator for this type will cause
# relinking to the new location.
b2.build.type.register('INSTALLED_EXE', [], 'EXE')

class InstalledExeGenerator(generators.Generator):

    def __init__(self):
        generators.Generator.__init__(self, "install-exe", False, ['EXE'], ['INSTALLED_EXE'])

    def run(self, project, name, ps, source):

        need_relink = False;

        if ps.get('os') in ['NT', 'CYGWIN'] or ps.get('target-os') in ['windows', 'cygwin']:
            # Never relink
            pass
        else:
            # See if the dll-path properties are not changed during
            # install. If so, copy, don't relink.

#      : # sources
#        mypch.hpp
#      : # requiremnts
#        msvc:<source>mypch.cpp
#      ;
#
# Add cpp-pch to sources:
#
#    exe hello
#      : main.cpp hello.cpp mypch
#      ;

from b2.build import type, feature, generators
from b2.tools import builtin

type.register('PCH', ['pch'])
type.register('C_PCH', [], 'PCH')
type.register('CPP_PCH', [], 'PCH')

# Control precompiled header (PCH) generation.
feature.feature('pch',
                ['on', 'off'],
                ['propagated'])

feature.feature('pch-header', [], ['free', 'dependency'])
feature.feature('pch-file', [], ['free', 'dependency'])

class PchGenerator(generators.Generator):
    """
        Base PCH generator. The 'run' method has the logic to prevent this generator
        from being run unless it's being used for a top-level PCH target.
    """

else:
            # See if the dll-path properties are not changed during
            # install. If so, copy, don't relink.
            need_relink = source[0].action() and ps.get('dll-path') != source[0].action().properties().get('dll-path')

        if need_relink:
            return [relink_file(project, source, ps)]
        else:
            return [copy_file(project, None, source[0], ps)]

generators.register(InstalledExeGenerator())


# Installing a shared link on Unix might cause a creation of versioned symbolic
# links.
b2.build.type.register('INSTALLED_SHARED_LIB', [], 'SHARED_LIB')

class InstalledSharedLibGenerator(generators.Generator):

    def __init__(self):
        generators.Generator.__init__(self, 'install-shared-lib', False, ['SHARED_LIB'], ['INSTALLED_SHARED_LIB'])

    def run(self, project, name, ps, source):

        source = source[0]
        if ps.get('os') in ['NT', 'CYGWIN'] or ps.get('target-os') in ['windows', 'cygwin']:
            copied = copy_file(project, None, source, ps)
            return [get_manager().virtual_targets().register(copied)]
        else:
            a = source.action()
            if not a:
                # Non-derived file, just copy.