276 lines
8.9 KiB
Python
Executable File
276 lines
8.9 KiB
Python
Executable File
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# Copyright 2016 The Cartographer Authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""A dumb CMakeLists.txt generator that relies on source name conventions."""
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from os import path
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import argparse
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import collections
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import os
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import re
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def MakeRelative(filename, directory):
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absolute_directory = path.realpath(directory)
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filename = path.realpath(filename)
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return path.relpath(filename, absolute_directory)
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def MaybeUseCmakeFile(filename):
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cmake_filename = filename + ".cmake"
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return cmake_filename if os.path.exists(cmake_filename) else filename
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class Target(object):
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"""Container for data for a cmake target."""
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def __init__(self, target_type, name, directory, srcs, hdrs):
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self.type = target_type
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self.name = name
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self.directory = directory
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self.srcs = srcs
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self.hdrs = hdrs
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self.depends = set()
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self.uses = set()
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def __repr__(self):
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return "%s(%s, nsrcs:%s, %s)" % (self.type, self.name, len(self.srcs),
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self.depends)
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def Format(self, directory):
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"""Formats the target for writing into a CMakeLists.txt file."""
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lines = ["%s(%s" % (self.type, self.name),]
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for use in sorted(self.uses):
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lines.append(" " + use)
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if self.srcs:
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lines.append(" SRCS")
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lines.extend(" " + MakeRelative(s, directory)
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for s in sorted(self.srcs))
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if self.hdrs:
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lines.append(" HDRS")
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lines.extend(" " + MakeRelative(s, directory)
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for s in sorted(self.hdrs))
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if self.depends:
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lines.append(" DEPENDS")
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lines.extend(" " + s for s in sorted(self.depends))
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lines.append(")")
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return "\n".join(lines) + "\n\n"
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def ExtractProjectIncludes(project_name, source):
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"""Returns all locally included files."""
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includes = set()
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for line in open(MaybeUseCmakeFile(source)):
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if source.endswith(".proto"):
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match = re.match(r'^import "(' + project_name + r'/[^"]+)', line)
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else:
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match = re.match(r'^#include "(' + project_name + r'/[^"]+)"', line)
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if match:
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includes.add(match.group(1))
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return includes
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def ExtractUses(project_name, source):
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"""Finds the options for the third_party libraries used."""
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uses = set()
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for line in open(MaybeUseCmakeFile(source)):
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if re.match(r'^#include "Eigen/', line):
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uses.add("USES_EIGEN")
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if re.match(r"^#include <lua.hpp>", line):
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uses.add("USES_LUA")
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if re.match(r'^#include "ceres/', line):
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uses.add("USES_CERES")
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if re.match(r'^#include "glog/', line):
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uses.add("USES_GLOG")
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if re.match(r'^#include "gflags/', line):
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uses.add("USES_GFLAGS")
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if re.match(r'^#include ["<]boost/', line):
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uses.add("USES_BOOST")
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if re.match(r'^#include ["<]webp/', line):
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uses.add("USES_WEBP")
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if re.match(r'^#include ["<]pcl/', line):
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uses.add("USES_PCL")
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if re.match(r'^#include ["<]ros/', line):
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uses.add("USES_ROS")
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if re.match(r'^#include "[a-zA-Z]*_msgs/', line):
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uses.add("USES_ROS")
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if re.match(r'^#include ["<]yaml-cpp/', line):
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uses.add("USES_YAMLCPP")
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if project_name != "cartographer":
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if re.match(r'^#include ["<]cartographer/', line):
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uses.add("USES_CARTOGRAPHER")
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return uses
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def FindSourceFiles(basedir):
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sources = set()
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for (directory, _, filenames) in os.walk(basedir):
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for filename in filenames:
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ext = path.splitext(filename)[-1]
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if ext in [".h", ".cc", ".proto"]:
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sources.add(path.join(directory, filename))
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elif filename.endswith(".h.cmake"):
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sources.add(path.join(directory, path.splitext(filename)[0]))
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yield (directory, sources)
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def GetNonGoogleTargetLines(filename):
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"""Returns text not written by this script.
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Returns a dictionary where keys are target names and values are list of
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lines that came after this target in the file. It also contains a special key
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called 'START'
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for lines that came before any target.
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"""
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GOOGLE_TARGET = re.compile(r"^google_[a-z_]*\((.*)$")
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parts = collections.defaultdict(list)
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current_target = "START"
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if path.exists(filename):
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ignoring = False
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for line in open(filename):
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m = GOOGLE_TARGET.match(line)
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if m is not None:
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current_target = m.group(1)
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ignoring = True
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continue
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if line == "\n" and ignoring:
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ignoring = False
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continue
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if not ignoring:
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parts[current_target].append(line)
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return parts
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def ParseArgs():
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p = argparse.ArgumentParser(
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description="Automatically update cMakeFiles using build conventions.")
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p.add_argument("root", type=str, help="Source directory.")
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args = p.parse_args()
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args.root = args.root.rstrip("/")
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return args
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def main():
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args = ParseArgs()
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targets_by_src = {}
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targets = []
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project_name = os.path.basename(args.root)
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base_directory = path.realpath(path.join(args.root, path.pardir))
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directories = set()
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def AddTarget(target_type, name, directory, srcs, hdrs):
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"""Adds a new target to 'targets' and updates 'targets_by_src'."""
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target = Target(target_type, name, directory, srcs, hdrs)
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targets.append(target)
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for s in srcs + hdrs:
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relative_s = MakeRelative(s, base_directory)
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targets_by_src[relative_s] = target
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if s.endswith(".proto"):
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proto_stem = os.path.splitext(relative_s)[0]
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targets_by_src[proto_stem + ".pb.h"] = target
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targets_by_src[proto_stem + ".pb.cc"] = target
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directories.add(directory)
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for (directory, sources) in FindSourceFiles(args.root):
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module_name = path.relpath(directory,
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path.realpath(args.root)).replace("/", "_")
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prepend_module_name = lambda s: (module_name + "_" + s) if module_name != "." else s
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headers = set(fn for fn in sources if fn.endswith(".h"))
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sources -= headers
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for h in sorted(headers):
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srcs = []
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name = prepend_module_name(path.basename(path.splitext(h)[0]))
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cc_file = path.splitext(h)[0] + ".cc"
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if cc_file in sources:
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sources.remove(cc_file)
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srcs.append(cc_file)
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AddTarget("google_library", name, directory, srcs, [h])
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tests = set(fn for fn in sources if fn.endswith("_test.cc"))
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sources -= tests
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for c in sorted(tests):
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name = prepend_module_name(path.basename(path.splitext(c)[0]))
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AddTarget("google_test", name, directory, [c], [])
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protos = set(fn for fn in sources if fn.endswith(".proto"))
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sources -= protos
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for c in sorted(protos):
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name = prepend_module_name(path.basename(path.splitext(c)[0]))
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AddTarget("google_proto_library", name, directory, [c], [])
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mains = set(fn for fn in sources if fn.endswith("_main.cc"))
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sources -= mains
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for c in sorted(mains):
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# Binaries do not get their full subpath appended, but we prepend
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# 'cartographer' to distinguish them after installation. So,
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# 'io/asset_writer_main.cc' will generate a binary called
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# 'cartographer_asset_writer'.
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name = "cartographer_" + path.basename(path.splitext(c)[0][:-5])
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AddTarget("google_binary", name, directory, [c], [])
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assert (not sources), "Remaining sources without target: %s" % sources
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# Write the CMakeLists.txt files.
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for directory in directories:
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targets_in_directory = [t for t in targets if t.directory == directory]
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for target in targets_in_directory:
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for src in target.srcs + target.hdrs:
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for header in ExtractProjectIncludes(project_name, src):
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dependant = targets_by_src[header]
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if dependant.name == target.name:
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continue
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target.depends.add(dependant.name)
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target.uses.update(ExtractUses(project_name, src))
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if target.type is "google_test" and "USES_ROS" in target.uses:
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target.type = "google_catkin_test"
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cmake_file = path.join(directory, "CMakeLists.txt")
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parts = GetNonGoogleTargetLines(cmake_file)
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sorted_parts = []
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def dump(lines_as_list):
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lines = "".join(lines_as_list)
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if not lines:
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return
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sorted_parts.append(lines)
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dump(parts["START"])
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del parts["START"]
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for target in targets_in_directory:
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dump(target.Format(directory))
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if target.name in parts:
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dump(parts[target.name])
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del parts[target.name]
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for target in sorted(parts.keys()):
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dump(parts[target])
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with open(cmake_file, "w") as outfile:
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outfile.write("".join(sorted_parts).rstrip() + "\n")
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if __name__ == "__main__":
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main()
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