1 files changed, 208 insertions, 0 deletions
diff --git a/meson/mesonintrospect.py b/meson/mesonintrospect.py
new file mode 100755
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+++ b/meson/mesonintrospect.py
@@ -0,0 +1,208 @@
+#!/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('--benchmarks', action='store_true', dest='benchmarks', default=False,
+                    help='List all benchmarks.')
+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 = {}
+        if isinstance(t.fname, str):
+            fname = [t.fname]
+        else:
+            fname = t.fname
+        to['cmd'] = fname + t.cmd_args
+        to['env'] = t.env
+        to['name'] = t.name
+        to['workdir'] = t.workdir
+        to['timeout'] = t.timeout
+        to['suite'] = t.suite
+        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')
+    benchmarkfile = os.path.join(bdir, 'meson-private/meson_benchmark_setup.dat')
+    coredata = pickle.load(open(corefile, 'rb'))
+    builddata = pickle.load(open(buildfile, 'rb'))
+    testdata = pickle.load(open(testfile, 'rb'))
+    benchmarkdata = pickle.load(open(benchmarkfile, '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.benchmarks:
+        list_tests(benchmarkdata)
+    elif options.dependencies:
+        list_deps(coredata)
+    else:
+        print('No command specified')
+        sys.exit(1)