diff options
Diffstat (limited to 'misc/write_fake_manifests.py')
| -rw-r--r-- | misc/write_fake_manifests.py | 89 |
1 files changed, 71 insertions, 18 deletions
diff --git a/misc/write_fake_manifests.py b/misc/write_fake_manifests.py index ca49535..b3594de 100644 --- a/misc/write_fake_manifests.py +++ b/misc/write_fake_manifests.py @@ -50,9 +50,10 @@ def moar(avg_options, p_suffix): class GenRandom(object): - def __init__(self): + def __init__(self, src_dir): self.seen_names = set([None]) self.seen_defines = set([None]) + self.src_dir = src_dir def _unique_string(self, seen, avg_options=1.3, p_suffix=0.1): s = None @@ -76,7 +77,7 @@ class GenRandom(object): def src_obj_pairs(self, path, name): num_sources = paretoint(55, alpha=2) + 1 - return [(os.path.join('..', '..', path, s + '.cc'), + return [(os.path.join(self.src_dir, path, s + '.cc'), os.path.join('obj', path, '%s.%s.o' % (name, s))) for s in self._n_unique_strings(num_sources)] @@ -103,12 +104,8 @@ class Target(object): self.kind = kind self.has_compile_depends = random.random() < 0.4 - @property - def includes(self): - return ['-I' + dep.dir_path for dep in self.deps] - -def write_target_ninja(ninja, target): +def write_target_ninja(ninja, target, src_dir): compile_depends = None if target.has_compile_depends: compile_depends = os.path.join( @@ -117,8 +114,7 @@ def write_target_ninja(ninja, target): ninja.newline() ninja.variable('defines', target.defines) - if target.deps: - ninja.variable('includes', target.includes) + ninja.variable('includes', '-I' + src_dir) ninja.variable('cflags', ['-Wall', '-fno-rtti', '-fno-exceptions']) ninja.newline() @@ -129,17 +125,63 @@ def write_target_ninja(ninja, target): deps = [dep.output for dep in target.deps] libs = [dep.output for dep in target.deps if dep.kind == LIB] if target.kind == EXE: - ninja.variable('ldflags', '-Wl,pie') ninja.variable('libs', libs) + if sys.platform == "darwin": + ninja.variable('ldflags', '-Wl,-pie') link = { LIB: 'alink', EXE: 'link'}[target.kind] ninja.build(target.output, link, [obj for _, obj in target.src_obj_pairs], implicit=deps) +def write_sources(target, root_dir): + need_main = target.kind == EXE + + includes = [] + + # Include siblings. + for cc_filename, _ in target.src_obj_pairs: + h_filename = os.path.basename(os.path.splitext(cc_filename)[0] + '.h') + includes.append(h_filename) + + # Include deps. + for dep in target.deps: + for cc_filename, _ in dep.src_obj_pairs: + h_filename = os.path.basename( + os.path.splitext(cc_filename)[0] + '.h') + includes.append("%s/%s" % (dep.dir_path, h_filename)) + + for cc_filename, _ in target.src_obj_pairs: + cc_path = os.path.join(root_dir, cc_filename) + h_path = os.path.splitext(cc_path)[0] + '.h' + namespace = os.path.basename(target.dir_path) + class_ = os.path.splitext(os.path.basename(cc_filename))[0] + try: + os.makedirs(os.path.dirname(cc_path)) + except OSError: + pass + + with open(h_path, 'w') as f: + f.write('namespace %s { struct %s { %s(); }; }' % (namespace, + class_, class_)) + with open(cc_path, 'w') as f: + for include in includes: + f.write('#include "%s"\n' % include) + f.write('\n') + f.write('namespace %s { %s::%s() {} }' % (namespace, + class_, class_)) + + if need_main: + f.write('int main(int argc, char **argv) {}\n') + need_main = False + def write_master_ninja(master_ninja, targets): """Writes master build.ninja file, referencing all given subninjas.""" master_ninja.variable('cxx', 'c++') master_ninja.variable('ld', '$cxx') + if sys.platform == 'darwin': + master_ninja.variable('alink', 'libtool -static') + else: + master_ninja.variable('alink', 'ar rcs') master_ninja.newline() master_ninja.pool('link_pool', depth=4) @@ -148,8 +190,8 @@ def write_master_ninja(master_ninja, targets): master_ninja.rule('cxx', description='CXX $out', command='$cxx -MMD -MF $out.d $defines $includes $cflags -c $in -o $out', depfile='$out.d', deps='gcc') - master_ninja.rule('alink', description='LIBTOOL-STATIC $out', - command='rm -f $out && libtool -static -o $out $in') + master_ninja.rule('alink', description='ARCHIVE $out', + command='rm -f $out && $alink -o $out $in') master_ninja.rule('link', description='LINK $out', pool='link_pool', command='$ld $ldflags -o $out $in $libs') master_ninja.rule('stamp', description='STAMP $out', command='touch $out') @@ -181,9 +223,8 @@ def FileWriter(path): f.close() -def random_targets(): - num_targets = 1500 - gen = GenRandom() +def random_targets(num_targets, src_dir): + gen = GenRandom(src_dir) # N-1 static libraries, and 1 executable depending on all of them. targets = [Target(gen, LIB) for i in xrange(num_targets - 1)] @@ -199,16 +240,28 @@ def random_targets(): def main(): parser = argparse.ArgumentParser() + parser.add_argument('-s', '--sources', nargs="?", const="src", + help='write sources to directory (relative to output directory)') + parser.add_argument('-t', '--targets', type=int, default=1500, + help='number of targets (default: 1500)') + parser.add_argument('-S', '--seed', type=int, help='random seed', + default=12345) parser.add_argument('outdir', help='output directory') args = parser.parse_args() root_dir = args.outdir - random.seed(12345) + random.seed(args.seed) - targets = random_targets() + do_write_sources = args.sources is not None + src_dir = args.sources if do_write_sources else "src" + + targets = random_targets(args.targets, src_dir) for target in targets: with FileWriter(os.path.join(root_dir, target.ninja_file_path)) as n: - write_target_ninja(n, target) + write_target_ninja(n, target, src_dir) + + if do_write_sources: + write_sources(target, root_dir) with FileWriter(os.path.join(root_dir, 'build.ninja')) as master_ninja: master_ninja.width = 120 |