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mesonintrospect.py
executable file
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/
mesonintrospect.py
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#!/usr/bin/env python3
# Copyright 2014-2015 The Meson development team
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""This is a helper script for IDE developers. It allows you to
extract information such as list of targets, files, compiler flags,
tests and so on. All output is in JSON for simple parsing.
Currently only works for the Ninja backend. Others use generated
project files and don't need this info."""
import json, pickle
import coredata, build, mesonlib
import argparse
import sys, os
parser = argparse.ArgumentParser()
parser.add_argument('--targets', action='store_true', dest='list_targets', default=False,
help='List top level targets.')
parser.add_argument('--target-files', action='store', dest='target_files', default=None,
help='List source files for a given target.')
parser.add_argument('--buildsystem-files', action='store_true', dest='buildsystem_files', default=False,
help='List files that make up the build system.')
parser.add_argument('--buildoptions', action='store_true', dest='buildoptions', default=False,
help='List all build options.')
parser.add_argument('--tests', action='store_true', dest='tests', default=False,
help='List all unit tests.')
parser.add_argument('--dependencies', action='store_true', dest='dependencies', default=False,
help='list external dependencies.')
parser.add_argument('args', nargs='+')
def list_targets(coredata, builddata):
tlist = []
for (idname, target) in builddata.get_targets().items():
t = {}
t['name'] = target.get_basename()
t['id'] = idname
fname = target.get_filename()
if isinstance(fname, list):
fname = [os.path.join(target.subdir, x) for x in fname]
else:
fname = os.path.join(target.subdir, fname)
t['filename'] = fname
if isinstance(target, build.Executable):
typename = 'executable'
elif isinstance(target, build.SharedLibrary):
typename = 'shared library'
elif isinstance(target, build.StaticLibrary):
typename = 'static library'
elif isinstance(target, build.CustomTarget):
typename = 'custom'
elif isinstance(target, build.RunTarget):
typename = 'run'
else:
typename = 'unknown'
t['type'] = typename
if target.should_install():
t['installed'] = True
else:
t['installed'] = False
tlist.append(t)
print(json.dumps(tlist))
def list_target_files(target_name, coredata, builddata):
try:
t = builddata.targets[target_name]
sources = t.sources + t.extra_files
subdir = t.subdir
except KeyError:
print("Unknown target %s." % target_name)
sys.exit(1)
sources = [os.path.join(i.subdir, i.fname) for i in sources]
print(json.dumps(sources))
def list_buildoptions(coredata, builddata):
buildtype= {'choices': ['plain', 'debug', 'debugoptimized', 'release'],
'type' : 'combo',
'value' : coredata.buildtype,
'description' : 'Build type',
'name' : 'type'}
strip = {'value' : coredata.strip,
'type' : 'boolean',
'description' : 'Strip on install',
'name' : 'strip'}
coverage = {'value': coredata.coverage,
'type' : 'boolean',
'description' : 'Enable coverage',
'name' : 'coverage'}
pch = {'value' : coredata.use_pch,
'type' : 'boolean',
'description' : 'Use precompiled headers',
'name' : 'pch'}
unity = {'value' : coredata.unity,
'type' : 'boolean',
'description' : 'Unity build',
'name' : 'unity'}
optlist = [buildtype, strip, coverage, pch, unity]
add_keys(optlist, coredata.user_options)
add_keys(optlist, coredata.compiler_options)
print(json.dumps(optlist))
def add_keys(optlist, options):
keys = list(options.keys())
keys.sort()
for key in keys:
opt = options[key]
optdict = {}
optdict['name'] = key
optdict['value'] = opt.value
if isinstance(opt, mesonlib.UserStringOption):
typestr = 'string'
elif isinstance(opt, mesonlib.UserBooleanOption):
typestr = 'boolean'
elif isinstance(opt, mesonlib.UserComboOption):
optdict['choices'] = opt.choices
typestr = 'combo'
elif isinstance(opt, mesonlib.UserStringArrayOption):
typestr = 'stringarray'
else:
raise RuntimeError("Unknown option type")
optdict['type'] = typestr
optdict['description'] = opt.description
optlist.append(optdict)
def list_buildsystem_files(coredata, builddata):
src_dir = builddata.environment.get_source_dir()
# I feel dirty about this. But only slightly.
filelist = []
for root, _, files in os.walk(src_dir):
for f in files:
if f == 'meson.build' or f == 'meson_options.txt':
filelist.append(os.path.relpath(os.path.join(root, f), src_dir))
print(json.dumps(filelist))
def list_deps(coredata):
result = {}
for d in coredata.deps.values():
if d.found():
args = {'compile_args': d.get_compile_args(),
'link_args': d.get_link_args()}
result[d.name] = args
print(json.dumps(result))
def list_tests(testdata):
result = []
for t in testdata:
to = {}
to['cmd'] = [t.fname] + t.cmd_args
to['env'] = t.env
to['name'] = t.name
result.append(to)
print(json.dumps(result))
if __name__ == '__main__':
options = parser.parse_args()
if len(options.args) > 1:
print('Too many arguments')
sys.exit(1)
elif len(options.args) == 1:
bdir = options.args[0]
else:
bdir = ''
corefile = os.path.join(bdir, 'meson-private/coredata.dat')
buildfile = os.path.join(bdir, 'meson-private/build.dat')
testfile = os.path.join(bdir, 'meson-private/meson_test_setup.dat')
coredata = pickle.load(open(corefile, 'rb'))
builddata = pickle.load(open(buildfile, 'rb'))
testdata = pickle.load(open(testfile, 'rb'))
if options.list_targets:
list_targets(coredata, builddata)
elif options.target_files is not None:
list_target_files(options.target_files, coredata, builddata)
elif options.buildsystem_files:
list_buildsystem_files(coredata, builddata)
elif options.buildoptions:
list_buildoptions(coredata, builddata)
elif options.tests:
list_tests(testdata)
elif options.dependencies:
list_deps(coredata)
else:
print('No command specified')
sys.exit(1)