homebrew-core/Formula/cppcheck.rb

123 lines
4.4 KiB
Ruby

class Cppcheck < Formula
desc "Static analysis of C and C++ code"
homepage "https://sourceforge.net/projects/cppcheck/"
url "https://github.com/danmar/cppcheck/archive/2.7.5.tar.gz"
sha256 "6c7ac29e57fa8b3ac7be224510200e579d5a90217e2152591ef46ffc947d8f78"
license "GPL-3.0-or-later"
head "https://github.com/danmar/cppcheck.git", branch: "main"
bottle do
sha256 arm64_monterey: "900e08329dda2382b00846dcbc78f4e690e1939a7e7c22bf7d3c7c609c763cbb"
sha256 arm64_big_sur: "1756159b82e6743f9f94b307d9887bb955ff3cce98ed70df2a3acb132d9ef955"
sha256 monterey: "e19bd6218630cfe85067e9bcb9d47fde1e5bcd088090f2407ac6f5b30dd05548"
sha256 big_sur: "af962c41f017ddddf9d8d0d1080c8fb104067263af076f9e91427af918d02a87"
sha256 catalina: "036ab97bc7a535f7345993056c1f3095586b508cb0e7528982e3285ad2f861ce"
sha256 x86_64_linux: "7a94ab586adc08dd0db6af1588d5632287960ec26cb895d7bfb6e640e5a2be6a"
end
depends_on "cmake" => :build
depends_on "python@3.10" => [:build, :test]
depends_on "pcre"
depends_on "tinyxml2"
uses_from_macos "libxml2"
def install
args = std_cmake_args + %W[
-DHAVE_RULES=ON
-DUSE_MATCHCOMPILER=ON
-DUSE_BUNDLED_TINYXML2=OFF
-DENABLE_OSS_FUZZ=OFF
-DPYTHON_EXECUTABLE=#{Formula["python@3.10"].opt_bin}/python3
]
system "cmake", "-S", ".", "-B", "build", *args
system "cmake", "--build", "build"
system "cmake", "--install", "build"
# Move the python addons to the cppcheck pkgshare folder
(pkgshare/"addons").install Dir.glob("addons/*.py")
end
test do
# Execution test with an input .cpp file
test_cpp_file = testpath/"test.cpp"
test_cpp_file.write <<~EOS
#include <iostream>
using namespace std;
int main()
{
cout << "Hello World!" << endl;
return 0;
}
class Example
{
public:
int GetNumber() const;
explicit Example(int initialNumber);
private:
int number;
};
Example::Example(int initialNumber)
{
number = initialNumber;
}
EOS
system "#{bin}/cppcheck", test_cpp_file
# Test the "out of bounds" check
test_cpp_file_check = testpath/"testcheck.cpp"
test_cpp_file_check.write <<~EOS
int main()
{
char a[10];
a[10] = 0;
return 0;
}
EOS
output = shell_output("#{bin}/cppcheck #{test_cpp_file_check} 2>&1")
assert_match "out of bounds", output
# Test the addon functionality: sampleaddon.py imports the cppcheckdata python
# module and uses it to parse a cppcheck dump into an OOP structure. We then
# check the correct number of detected tokens and function names.
addons_dir = pkgshare/"addons"
cppcheck_module = "#{name}data"
expect_token_count = 55
expect_function_names = "main,GetNumber,Example"
assert_parse_message = "Error: sampleaddon.py: failed: can't parse the #{name} dump."
sample_addon_file = testpath/"sampleaddon.py"
sample_addon_file.write <<~EOS
#!/usr/bin/env #{Formula["python@3.10"].opt_bin}/python3
"""A simple test addon for #{name}, prints function names and token count"""
import sys
from importlib import machinery, util
# Manually import the '#{cppcheck_module}' module
spec = machinery.PathFinder().find_spec("#{cppcheck_module}", ["#{addons_dir}"])
cpp_check_data = util.module_from_spec(spec)
spec.loader.exec_module(cpp_check_data)
for arg in sys.argv[1:]:
# Parse the dump file generated by #{name}
configKlass = cpp_check_data.parsedump(arg)
if len(configKlass.configurations) == 0:
sys.exit("#{assert_parse_message}") # Parse failure
fConfig = configKlass.configurations[0]
# Pick and join the function names in a string, separated by ','
detected_functions = ','.join(fn.name for fn in fConfig.functions)
detected_token_count = len(fConfig.tokenlist)
# Print the function names on the first line and the token count on the second
print("%s\\n%s" %(detected_functions, detected_token_count))
EOS
system "#{bin}/cppcheck", "--dump", test_cpp_file
test_cpp_file_dump = "#{test_cpp_file}.dump"
assert_predicate testpath/test_cpp_file_dump, :exist?
output = shell_output(Formula["python@3.10"].opt_bin/"python3 #{sample_addon_file} #{test_cpp_file_dump}")
assert_match "#{expect_function_names}\n#{expect_token_count}", output
end
end