Renamed meson package to mesonbuild so that we can have a script named meson in the same toplevel dir.

1 files changed, 209 insertions, 0 deletions

diff --git a/mesonbuild/mconf.py b/mesonbuild/mconf.py
new file mode 100644
index 0000000..f174425
--- /dev/null
+++ b/mesonbuild/mconf.py
@@ -0,0 +1,209 @@
+#!/usr/bin/env python3
+
+# Copyright 2014-2016 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.
+
+import sys, os
+import pickle
+import argparse
+from . import coredata, mesonlib
+from .coredata import build_types, warning_levels, libtypelist
+
+parser = argparse.ArgumentParser()
+
+parser.add_argument('-D', action='append', default=[], dest='sets',
+                    help='Set an option to the given value.')
+parser.add_argument('directory', nargs='*')
+
+class ConfException(coredata.MesonException):
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+
+class Conf:
+    def __init__(self, build_dir):
+        self.build_dir = build_dir
+        self.coredata_file = os.path.join(build_dir, 'meson-private/coredata.dat')
+        self.build_file = os.path.join(build_dir, 'meson-private/build.dat')
+        if not os.path.isfile(self.coredata_file) or not os.path.isfile(self.build_file):
+            raise ConfException('Directory %s does not seem to be a Meson build directory.' % build_dir)
+        self.coredata = pickle.load(open(self.coredata_file, 'rb'))
+        self.build = pickle.load(open(self.build_file, 'rb'))
+        if self.coredata.version != coredata.version:
+            raise ConfException('Version mismatch (%s vs %s)' %
+                                (coredata.version, self.coredata.version))
+
+    def save(self):
+        # Only called if something has changed so overwrite unconditionally.
+        pickle.dump(self.coredata, open(self.coredata_file, 'wb'))
+        # We don't write the build file because any changes to it
+        # are erased when Meson is executed the nex time, i.e. the next
+        # time Ninja is run.
+
+    def print_aligned(self, arr):
+        if len(arr) == 0:
+            return
+        titles = ['Option', 'Description', 'Current Value', '']
+        longest_name = len(titles[0])
+        longest_descr = len(titles[1])
+        longest_value = len(titles[2])
+        longest_possible_value = len(titles[3])
+        for x in arr:
+            longest_name = max(longest_name, len(x[0]))
+            longest_descr = max(longest_descr, len(x[1]))
+            longest_value = max(longest_value, len(str(x[2])))
+            longest_possible_value = max(longest_possible_value, len(x[3]))
+
+        if longest_possible_value > 0:
+            titles[3] = 'Possible Values'
+        print('  %s%s %s%s %s%s %s' % (titles[0], ' '*(longest_name - len(titles[0])), titles[1], ' '*(longest_descr - len(titles[1])), titles[2], ' '*(longest_value - len(titles[2])), titles[3]))
+        print('  %s%s %s%s %s%s %s' % ('-'*len(titles[0]), ' '*(longest_name - len(titles[0])), '-'*len(titles[1]), ' '*(longest_descr - len(titles[1])), '-'*len(titles[2]), ' '*(longest_value - len(titles[2])), '-'*len(titles[3])))
+        for i in arr:
+            name = i[0]
+            descr = i[1]
+            value = i[2]
+            if isinstance(value, bool):
+                value = 'true' if value else 'false'
+            possible_values = i[3]
+            namepad = ' '*(longest_name - len(name))
+            descrpad = ' '*(longest_descr - len(descr))
+            valuepad = ' '*(longest_value - len(str(value)))
+            f = '  %s%s %s%s %s%s %s' % (name, namepad, descr, descrpad, value, valuepad, possible_values)
+            print(f)
+
+    def set_options(self, options):
+        for o in options:
+            if '=' not in o:
+                raise ConfException('Value "%s" not of type "a=b".' % o)
+            (k, v) = o.split('=', 1)
+            if self.coredata.is_builtin_option(k):
+                self.coredata.set_builtin_option(k, v)
+            elif k in self.coredata.user_options:
+                tgt = self.coredata.user_options[k]
+                tgt.set_value(v)
+            elif k in self.coredata.compiler_options:
+                tgt = self.coredata.compiler_options[k]
+                tgt.set_value(v)
+            elif k.endswith('linkargs'):
+                lang = k[:-8]
+                if not lang in self.coredata.external_link_args:
+                    raise ConfException('Unknown language %s in linkargs.' % lang)
+                # TODO, currently split on spaces, make it so that user
+                # can pass in an array string.
+                newvalue = v.split()
+                self.coredata.external_link_args[lang] = newvalue
+            elif k.endswith('args'):
+                lang = k[:-4]
+                if not lang in self.coredata.external_args:
+                    raise ConfException('Unknown language %s in compile args' % lang)
+                # TODO same fix as above
+                newvalue = v.split()
+                self.coredata.external_args[lang] = newvalue
+            else:
+                raise ConfException('Unknown option %s.' % k)
+
+
+    def print_conf(self):
+        print('Core properties:')
+        print('  Source dir', self.build.environment.source_dir)
+        print('  Build dir ', self.build.environment.build_dir)
+        print('')
+        print('Core options:')
+        carr = []
+        booleans = '[true, false]'
+        carr.append(['buildtype', 'Build type', self.coredata.get_builtin_option('buildtype'), build_types])
+        carr.append(['warning_level', 'Warning level', self.coredata.get_builtin_option('warning_level'), warning_levels])
+        carr.append(['strip', 'Strip on install', self.coredata.get_builtin_option('strip'), booleans])
+        carr.append(['coverage', 'Coverage report', self.coredata.get_builtin_option('coverage'), booleans])
+        carr.append(['use_pch', 'Precompiled headers', self.coredata.get_builtin_option('use_pch'), booleans])
+        carr.append(['unity', 'Unity build', self.coredata.get_builtin_option('unity'), booleans])
+        carr.append(['default_library', 'Default library type', self.coredata.get_builtin_option('default_library'), libtypelist])
+        self.print_aligned(carr)
+        print('')
+        print('Compiler arguments:')
+        for (lang, args) in self.coredata.external_args.items():
+            print('  ' + lang + 'args', str(args))
+        print('')
+        print('Linker args:')
+        for (lang, args) in self.coredata.external_link_args.items():
+            print('  ' + lang + 'linkargs', str(args))
+        print('')
+        print('Compiler options:')
+        okeys = sorted(self.coredata.compiler_options.keys())
+        if len(okeys) == 0:
+            print('  No compiler options\n')
+        else:
+            coarr = []
+            for k in okeys:
+                o = self.coredata.compiler_options[k]
+                coarr.append([k, o.description, o.value, ''])
+            self.print_aligned(coarr)
+        print('')
+        print('Directories:')
+        parr = []
+        parr.append(['prefix', 'Install prefix', self.coredata.get_builtin_option('prefix'), ''])
+        parr.append(['libdir', 'Library directory', self.coredata.get_builtin_option('libdir'), ''])
+        parr.append(['bindir', 'Binary directory', self.coredata.get_builtin_option('bindir'), ''])
+        parr.append(['includedir', 'Header directory', self.coredata.get_builtin_option('includedir'), ''])
+        parr.append(['datadir', 'Data directory', self.coredata.get_builtin_option('datadir'), ''])
+        parr.append(['mandir', 'Man page directory', self.coredata.get_builtin_option('mandir'), ''])
+        parr.append(['localedir', 'Locale file directory', self.coredata.get_builtin_option('localedir'), ''])
+        self.print_aligned(parr)
+        print('')
+        print('Project options:')
+        if len(self.coredata.user_options) == 0:
+            print('  This project does not have any options')
+        else:
+            options = self.coredata.user_options
+            keys = list(options.keys())
+            keys.sort()
+            optarr = []
+            for key in keys:
+                opt = options[key]
+                if (opt.choices is None) or (len(opt.choices) == 0):
+                  # Zero length list or string
+                  choices = '';
+                else:
+                  # A non zero length list or string, convert to string
+                  choices = str(opt.choices);
+                optarr.append([key, opt.description, opt.value, choices])
+            self.print_aligned(optarr)
+
+def run(args):
+    args = mesonlib.expand_arguments(args)
+    if not args:
+        sys.exit(1)
+    options = parser.parse_args(args)
+    if len(options.directory) > 1:
+        print('%s <build directory>' % args[0])
+        print('If you omit the build directory, the current directory is substituted.')
+        return 1
+    if len(options.directory) == 0:
+        builddir = os.getcwd()
+    else:
+        builddir = options.directory[0]
+    try:
+        c = Conf(builddir)
+        if len(options.sets) > 0:
+            c.set_options(options.sets)
+            c.save()
+        else:
+            c.print_conf()
+    except ConfException as e:
+        print('Meson configurator encountered an error:\n')
+        print(e)
+        return(1)
+    return 0
+
+if __name__ == '__main__':
+    sys.exit(run(sys.argv[1:]))