1 files changed, 114 insertions, 0 deletions
diff --git a/meson/mesonbuild/munstable_coredata.py b/meson/mesonbuild/munstable_coredata.py
new file mode 100644
index 000000000..0ca8f3398
--- /dev/null
+++ b/meson/mesonbuild/munstable_coredata.py
@@ -0,0 +1,114 @@
+# Copyright 2019 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.
+
+
+from . import coredata as cdata
+from .mesonlib import MachineChoice, OptionKey
+
+import os.path
+import pprint
+import textwrap
+
+def add_arguments(parser):
+    parser.add_argument('--all', action='store_true', dest='all', default=False,
+                        help='Show data not used by current backend.')
+
+    parser.add_argument('builddir', nargs='?', default='.', help='The build directory')
+
+
+def dump_compilers(compilers):
+    for lang, compiler in compilers.items():
+        print('  ' + lang + ':')
+        print('      Id: ' + compiler.id)
+        print('      Command: ' + ' '.join(compiler.exelist))
+        if compiler.full_version:
+            print('      Full version: ' + compiler.full_version)
+        if compiler.version:
+            print('      Detected version: ' + compiler.version)
+
+
+def dump_guids(d):
+    for name, value in d.items():
+        print('  ' + name + ': ' + value)
+
+
+def run(options):
+    datadir = 'meson-private'
+    if options.builddir is not None:
+        datadir = os.path.join(options.builddir, datadir)
+    if not os.path.isdir(datadir):
+        print('Current directory is not a build dir. Please specify it or '
+              'change the working directory to it.')
+        return 1
+
+    all_backends = options.all
+
+    print('This is a dump of the internal unstable cache of meson. This is for debugging only.')
+    print('Do NOT parse, this will change from version to version in incompatible ways')
+    print('')
+
+    coredata = cdata.load(options.builddir)
+    backend = coredata.get_option(OptionKey('backend'))
+    for k, v in sorted(coredata.__dict__.items()):
+        if k in ('backend_options', 'base_options', 'builtins', 'compiler_options', 'user_options'):
+            # use `meson configure` to view these
+            pass
+        elif k in ['install_guid', 'test_guid', 'regen_guid']:
+            if all_backends or backend.startswith('vs'):
+                print(k + ': ' + v)
+        elif k == 'target_guids':
+            if all_backends or backend.startswith('vs'):
+                print(k + ':')
+                dump_guids(v)
+        elif k in ['lang_guids']:
+            if all_backends or backend.startswith('vs') or backend == 'xcode':
+                print(k + ':')
+                dump_guids(v)
+        elif k == 'meson_command':
+            if all_backends or backend.startswith('vs'):
+                print('Meson command used in build file regeneration: ' + ' '.join(v))
+        elif k == 'pkgconf_envvar':
+            print('Last seen PKGCONFIG environment variable value: ' + v)
+        elif k == 'version':
+            print('Meson version: ' + v)
+        elif k == 'cross_files':
+            if v:
+                print('Cross File: ' + ' '.join(v))
+        elif k == 'config_files':
+            if v:
+                print('Native File: ' + ' '.join(v))
+        elif k == 'compilers':
+            for for_machine in MachineChoice:
+                print('Cached {} machine compilers:'.format(
+                    for_machine.get_lower_case_name()))
+                dump_compilers(v[for_machine])
+        elif k == 'deps':
+            def print_dep(dep_key, dep):
+                print('  ' + dep_key[0] + ": ")
+                print('      compile args: ' + repr(dep.get_compile_args()))
+                print('      link args: ' + repr(dep.get_link_args()))
+                if dep.get_sources():
+                    print('      sources: ' + repr(dep.get_sources()))
+                print('      version: ' + repr(dep.get_version()))
+
+            for for_machine in iter(MachineChoice):
+                items_list = list(sorted(v[for_machine].items()))
+                if items_list:
+                    print('Cached dependencies for {} machine' % for_machine.get_lower_case_name())
+                    for dep_key, deps in items_list:
+                        for dep in deps:
+                            print_dep(dep_key, dep)
+        else:
+            print(k + ':')
+            print(textwrap.indent(pprint.pformat(v), '  '))