clang/utils/analyzer/entrypoint.py

   1 import argparse
   2 import os
   3 import sys
   4
   5 from subprocess import call, check_call, CalledProcessError
   6 from time import sleep
   7 from typing import List, Tuple
   8
   9
  10 def main():
  11     settings, rest = parse_arguments()
  12     cmake_opts = ["-D" + cmd for cmd in settings.D]
  13     if settings.wait:
  14         wait()
  15     if settings.build_llvm or settings.build_llvm_only:
  16         build_llvm(cmake_opts)
  17     if settings.build_llvm_only:
  18         return
  19     sys.exit(test(rest))
  20
  21
  22 def wait():
  23     # It is an easy on CPU way of keeping the docker container running
  24     # while the user has a terminal session in that container.
  25     while True:
  26         sleep(3600)
  27
  28
  29 def parse_arguments() -> Tuple[argparse.Namespace, List[str]]:
  30     parser = argparse.ArgumentParser()
  31     parser.add_argument("--wait", action="store_true")
  32     parser.add_argument("--build-llvm", action="store_true")
  33     parser.add_argument("--build-llvm-only", action="store_true")
  34     parser.add_argument("-D", action="append", default=[])
  35     return parser.parse_known_args()
  36
  37
  38 def build_llvm(cmake_options):
  39     os.chdir("/build")
  40     try:
  41         if is_cmake_needed():
  42             cmake(cmake_options)
  43         ninja()
  44     except CalledProcessError:
  45         print("Build failed!")
  46         sys.exit(1)
  47
  48
  49 def is_cmake_needed():
  50     return "build.ninja" not in os.listdir()
  51
  52
  53 CMAKE_COMMAND = (
  54     "cmake -G Ninja -DCMAKE_BUILD_TYPE=Release "
  55     "-DCMAKE_INSTALL_PREFIX=/analyzer -DLLVM_TARGETS_TO_BUILD=X86 "
  56     '-DLLVM_ENABLE_PROJECTS="clang;openmp" -DLLVM_BUILD_RUNTIME=OFF '
  57     "-DLLVM_ENABLE_TERMINFO=OFF -DCLANG_ENABLE_ARCMT=OFF "
  58     "-DCLANG_ENABLE_STATIC_ANALYZER=ON"
  59 )
  60
  61
  62 def cmake(cmake_options):
  63     check_call(
  64         CMAKE_COMMAND + " ".join(cmake_options) + " /llvm-project/llvm", shell=True
  65     )
  66
  67
  68 def ninja():
  69     check_call("ninja install", shell=True)
  70
  71
  72 def test(args: List[str]) -> int:
  73     os.chdir("/projects")
  74     return call("/scripts/SATest.py " + " ".join(args), shell=True)
  75
  76
  77 if __name__ == "__main__":
  78     main()