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author | David Robillard <d@drobilla.net> | 2018-09-15 14:51:02 +0200 |
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committer | David Robillard <d@drobilla.net> | 2018-09-15 14:51:02 +0200 |
commit | ffb5286641dca2e12bebd2c4a4f4a73cc11a20e6 (patch) | |
tree | 4d5eee9bf36eb3a34080a7b928333939327a5a96 /waflib/Tools/vala.py | |
parent | bd57bc1edb6d8131a920bcc4f12d91457e2ca2ed (diff) | |
parent | 8c96b17a5393bffee0c521c4872a9fa999048032 (diff) | |
download | lilv-ffb5286641dca2e12bebd2c4a4f4a73cc11a20e6.tar.gz lilv-ffb5286641dca2e12bebd2c4a4f4a73cc11a20e6.tar.bz2 lilv-ffb5286641dca2e12bebd2c4a4f4a73cc11a20e6.zip |
Merge commit '8c96b17a5393bffee0c521c4872a9fa999048032' as 'waflib'
Diffstat (limited to 'waflib/Tools/vala.py')
-rw-r--r-- | waflib/Tools/vala.py | 355 |
1 files changed, 355 insertions, 0 deletions
diff --git a/waflib/Tools/vala.py b/waflib/Tools/vala.py new file mode 100644 index 0000000..822ec50 --- /dev/null +++ b/waflib/Tools/vala.py @@ -0,0 +1,355 @@ +#!/usr/bin/env python +# encoding: utf-8 +# Ali Sabil, 2007 +# Radosław Szkodziński, 2010 + +""" +At this point, vala is still unstable, so do not expect +this tool to be too stable either (apis, etc) +""" + +import re +from waflib import Build, Context, Errors, Logs, Node, Options, Task, Utils +from waflib.TaskGen import extension, taskgen_method +from waflib.Configure import conf + +class valac(Task.Task): + """ + Compiles vala files + """ + #run_str = "${VALAC} ${VALAFLAGS}" # ideally + #vars = ['VALAC_VERSION'] + vars = ["VALAC", "VALAC_VERSION", "VALAFLAGS"] + ext_out = ['.h'] + + def run(self): + cmd = self.env.VALAC + self.env.VALAFLAGS + resources = getattr(self, 'vala_exclude', []) + cmd.extend([a.abspath() for a in self.inputs if a not in resources]) + ret = self.exec_command(cmd, cwd=self.vala_dir_node.abspath()) + + if ret: + return ret + + if self.generator.dump_deps_node: + self.generator.dump_deps_node.write('\n'.join(self.generator.packages)) + + return ret + +@taskgen_method +def init_vala_task(self): + """ + Initializes the vala task with the relevant data (acts as a constructor) + """ + self.profile = getattr(self, 'profile', 'gobject') + + self.packages = packages = Utils.to_list(getattr(self, 'packages', [])) + self.use = Utils.to_list(getattr(self, 'use', [])) + if packages and not self.use: + self.use = packages[:] # copy + + if self.profile == 'gobject': + if not 'GOBJECT' in self.use: + self.use.append('GOBJECT') + + def addflags(flags): + self.env.append_value('VALAFLAGS', flags) + + if self.profile: + addflags('--profile=%s' % self.profile) + + valatask = self.valatask + + # output directory + if hasattr(self, 'vala_dir'): + if isinstance(self.vala_dir, str): + valatask.vala_dir_node = self.path.get_bld().make_node(self.vala_dir) + try: + valatask.vala_dir_node.mkdir() + except OSError: + raise self.bld.fatal('Cannot create the vala dir %r' % valatask.vala_dir_node) + else: + valatask.vala_dir_node = self.vala_dir + else: + valatask.vala_dir_node = self.path.get_bld() + addflags('--directory=%s' % valatask.vala_dir_node.abspath()) + + if hasattr(self, 'thread'): + if self.profile == 'gobject': + if not 'GTHREAD' in self.use: + self.use.append('GTHREAD') + else: + #Vala doesn't have threading support for dova nor posix + Logs.warn('Profile %s means no threading support', self.profile) + self.thread = False + + if self.thread: + addflags('--thread') + + self.is_lib = 'cprogram' not in self.features + if self.is_lib: + addflags('--library=%s' % self.target) + + h_node = valatask.vala_dir_node.find_or_declare('%s.h' % self.target) + valatask.outputs.append(h_node) + addflags('--header=%s' % h_node.name) + + valatask.outputs.append(valatask.vala_dir_node.find_or_declare('%s.vapi' % self.target)) + + if getattr(self, 'gir', None): + gir_node = valatask.vala_dir_node.find_or_declare('%s.gir' % self.gir) + addflags('--gir=%s' % gir_node.name) + valatask.outputs.append(gir_node) + + self.vala_target_glib = getattr(self, 'vala_target_glib', getattr(Options.options, 'vala_target_glib', None)) + if self.vala_target_glib: + addflags('--target-glib=%s' % self.vala_target_glib) + + addflags(['--define=%s' % x for x in Utils.to_list(getattr(self, 'vala_defines', []))]) + + packages_private = Utils.to_list(getattr(self, 'packages_private', [])) + addflags(['--pkg=%s' % x for x in packages_private]) + + def _get_api_version(): + api_version = '1.0' + if hasattr(Context.g_module, 'API_VERSION'): + version = Context.g_module.API_VERSION.split(".") + if version[0] == "0": + api_version = "0." + version[1] + else: + api_version = version[0] + ".0" + return api_version + + self.includes = Utils.to_list(getattr(self, 'includes', [])) + valatask.install_path = getattr(self, 'install_path', '') + + valatask.vapi_path = getattr(self, 'vapi_path', '${DATAROOTDIR}/vala/vapi') + valatask.pkg_name = getattr(self, 'pkg_name', self.env.PACKAGE) + valatask.header_path = getattr(self, 'header_path', '${INCLUDEDIR}/%s-%s' % (valatask.pkg_name, _get_api_version())) + valatask.install_binding = getattr(self, 'install_binding', True) + + self.vapi_dirs = vapi_dirs = Utils.to_list(getattr(self, 'vapi_dirs', [])) + #includes = [] + + if hasattr(self, 'use'): + local_packages = Utils.to_list(self.use)[:] # make sure to have a copy + seen = [] + while len(local_packages) > 0: + package = local_packages.pop() + if package in seen: + continue + seen.append(package) + + # check if the package exists + try: + package_obj = self.bld.get_tgen_by_name(package) + except Errors.WafError: + continue + + # in practice the other task is already processed + # but this makes it explicit + package_obj.post() + package_name = package_obj.target + task = getattr(package_obj, 'valatask', None) + if task: + for output in task.outputs: + if output.name == package_name + ".vapi": + valatask.set_run_after(task) + if package_name not in packages: + packages.append(package_name) + if output.parent not in vapi_dirs: + vapi_dirs.append(output.parent) + if output.parent not in self.includes: + self.includes.append(output.parent) + + if hasattr(package_obj, 'use'): + lst = self.to_list(package_obj.use) + lst.reverse() + local_packages = [pkg for pkg in lst if pkg not in seen] + local_packages + + addflags(['--pkg=%s' % p for p in packages]) + + for vapi_dir in vapi_dirs: + if isinstance(vapi_dir, Node.Node): + v_node = vapi_dir + else: + v_node = self.path.find_dir(vapi_dir) + if not v_node: + Logs.warn('Unable to locate Vala API directory: %r', vapi_dir) + else: + addflags('--vapidir=%s' % v_node.abspath()) + + self.dump_deps_node = None + if self.is_lib and self.packages: + self.dump_deps_node = valatask.vala_dir_node.find_or_declare('%s.deps' % self.target) + valatask.outputs.append(self.dump_deps_node) + + if self.is_lib and valatask.install_binding: + headers_list = [o for o in valatask.outputs if o.suffix() == ".h"] + if headers_list: + self.install_vheader = self.add_install_files(install_to=valatask.header_path, install_from=headers_list) + + vapi_list = [o for o in valatask.outputs if (o.suffix() in (".vapi", ".deps"))] + if vapi_list: + self.install_vapi = self.add_install_files(install_to=valatask.vapi_path, install_from=vapi_list) + + gir_list = [o for o in valatask.outputs if o.suffix() == '.gir'] + if gir_list: + self.install_gir = self.add_install_files( + install_to=getattr(self, 'gir_path', '${DATAROOTDIR}/gir-1.0'), install_from=gir_list) + + if hasattr(self, 'vala_resources'): + nodes = self.to_nodes(self.vala_resources) + valatask.vala_exclude = getattr(valatask, 'vala_exclude', []) + nodes + valatask.inputs.extend(nodes) + for x in nodes: + addflags(['--gresources', x.abspath()]) + +@extension('.vala', '.gs') +def vala_file(self, node): + """ + Compile a vala file and bind the task to *self.valatask*. If an existing vala task is already set, add the node + to its inputs. The typical example is:: + + def build(bld): + bld.program( + packages = 'gtk+-2.0', + target = 'vala-gtk-example', + use = 'GTK GLIB', + source = 'vala-gtk-example.vala foo.vala', + vala_defines = ['DEBUG'] # adds --define=<xyz> values to the command-line + + # the following arguments are for libraries + #gir = 'hello-1.0', + #gir_path = '/tmp', + #vapi_path = '/tmp', + #pkg_name = 'hello' + # disable installing of gir, vapi and header + #install_binding = False + + # profile = 'xyz' # adds --profile=<xyz> to enable profiling + # thread = True, # adds --thread, except if profile is on or not on 'gobject' + # vala_target_glib = 'xyz' # adds --target-glib=<xyz>, can be given through the command-line option --vala-target-glib=<xyz> + ) + + + :param node: vala file + :type node: :py:class:`waflib.Node.Node` + """ + + try: + valatask = self.valatask + except AttributeError: + valatask = self.valatask = self.create_task('valac') + self.init_vala_task() + + valatask.inputs.append(node) + name = node.name[:node.name.rfind('.')] + '.c' + c_node = valatask.vala_dir_node.find_or_declare(name) + valatask.outputs.append(c_node) + self.source.append(c_node) + +@extension('.vapi') +def vapi_file(self, node): + try: + valatask = self.valatask + except AttributeError: + valatask = self.valatask = self.create_task('valac') + self.init_vala_task() + valatask.inputs.append(node) + +@conf +def find_valac(self, valac_name, min_version): + """ + Find the valac program, and execute it to store the version + number in *conf.env.VALAC_VERSION* + + :param valac_name: program name + :type valac_name: string or list of string + :param min_version: minimum version acceptable + :type min_version: tuple of int + """ + valac = self.find_program(valac_name, var='VALAC') + try: + output = self.cmd_and_log(valac + ['--version']) + except Errors.WafError: + valac_version = None + else: + ver = re.search(r'\d+.\d+.\d+', output).group().split('.') + valac_version = tuple([int(x) for x in ver]) + + self.msg('Checking for %s version >= %r' % (valac_name, min_version), + valac_version, valac_version and valac_version >= min_version) + if valac and valac_version < min_version: + self.fatal("%s version %r is too old, need >= %r" % (valac_name, valac_version, min_version)) + + self.env.VALAC_VERSION = valac_version + return valac + +@conf +def check_vala(self, min_version=(0,8,0), branch=None): + """ + Check if vala compiler from a given branch exists of at least a given + version. + + :param min_version: minimum version acceptable (0.8.0) + :type min_version: tuple + :param branch: first part of the version number, in case a snapshot is used (0, 8) + :type branch: tuple of int + """ + if self.env.VALA_MINVER: + min_version = self.env.VALA_MINVER + if self.env.VALA_MINVER_BRANCH: + branch = self.env.VALA_MINVER_BRANCH + if not branch: + branch = min_version[:2] + try: + find_valac(self, 'valac-%d.%d' % (branch[0], branch[1]), min_version) + except self.errors.ConfigurationError: + find_valac(self, 'valac', min_version) + +@conf +def check_vala_deps(self): + """ + Load the gobject and gthread packages if they are missing. + """ + if not self.env.HAVE_GOBJECT: + pkg_args = {'package': 'gobject-2.0', + 'uselib_store': 'GOBJECT', + 'args': '--cflags --libs'} + if getattr(Options.options, 'vala_target_glib', None): + pkg_args['atleast_version'] = Options.options.vala_target_glib + self.check_cfg(**pkg_args) + + if not self.env.HAVE_GTHREAD: + pkg_args = {'package': 'gthread-2.0', + 'uselib_store': 'GTHREAD', + 'args': '--cflags --libs'} + if getattr(Options.options, 'vala_target_glib', None): + pkg_args['atleast_version'] = Options.options.vala_target_glib + self.check_cfg(**pkg_args) + +def configure(self): + """ + Use the following to enforce minimum vala version:: + + def configure(conf): + conf.env.VALA_MINVER = (0, 10, 0) + conf.load('vala') + """ + self.load('gnu_dirs') + self.check_vala_deps() + self.check_vala() + self.add_os_flags('VALAFLAGS') + self.env.append_unique('VALAFLAGS', ['-C']) + +def options(opt): + """ + Load the :py:mod:`waflib.Tools.gnu_dirs` tool and add the ``--vala-target-glib`` command-line option + """ + opt.load('gnu_dirs') + valaopts = opt.add_option_group('Vala Compiler Options') + valaopts.add_option('--vala-target-glib', default=None, + dest='vala_target_glib', metavar='MAJOR.MINOR', + help='Target version of glib for Vala GObject code generation') + |