109 lines
3.8 KiB
Ruby
109 lines
3.8 KiB
Ruby
class Cppcheck < Formula
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desc "Static analysis of C and C++ code"
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homepage "https://sourceforge.net/projects/cppcheck/"
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url "https://github.com/danmar/cppcheck/archive/1.89.tar.gz"
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sha256 "37452d378825c7bd78116b4d7073df795fa732207d371ad5348287f811755783"
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head "https://github.com/danmar/cppcheck.git"
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bottle do
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sha256 "aacd73f4050b54bb478113225e163848f72bbe7785fe660422fc84b553533f42" => :catalina
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sha256 "61da574ea3681d0e985c69942a287c728fcf65ad5687c27b1c4403942c4275dd" => :mojave
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sha256 "31c0dcf85ae7ac5f93306c9f6885267b514c689bbe59a1ba90d0e15c4334813a" => :high_sierra
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sha256 "3f7f734e3a70feca667702f5f087a731efaf93bb850e6b519c0a03c0033ee719" => :sierra
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end
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depends_on "pcre"
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def install
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ENV.cxx11
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system "make", "HAVE_RULES=yes", "FILESDIR=#{prefix}/cfg"
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# FILESDIR is relative to the prefix for install, don't add #{prefix}.
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system "make", "DESTDIR=#{prefix}", "BIN=#{bin}", "FILESDIR=/cfg", "install"
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# Move the python addons to the cppcheck pkgshare folder
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(pkgshare/"addons").install Dir.glob("addons/*.py")
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end
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test do
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# Execution test with an input .cpp file
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test_cpp_file = testpath/"test.cpp"
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test_cpp_file.write <<~EOS
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#include <iostream>
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using namespace std;
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int main()
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{
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cout << "Hello World!" << endl;
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return 0;
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}
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class Example
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{
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public:
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int GetNumber() const;
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explicit Example(int initialNumber);
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private:
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int number;
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};
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Example::Example(int initialNumber)
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{
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number = initialNumber;
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}
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EOS
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system "#{bin}/cppcheck", test_cpp_file
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# Test the "out of bounds" check
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test_cpp_file_check = testpath/"testcheck.cpp"
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test_cpp_file_check.write <<~EOS
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int main()
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{
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char a[10];
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a[10] = 0;
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return 0;
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}
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EOS
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output = shell_output("#{bin}/cppcheck #{test_cpp_file_check} 2>&1")
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assert_match "out of bounds", output
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# Test the addon functionality: sampleaddon.py imports the cppcheckdata python
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# module and uses it to parse a cppcheck dump into an OOP structure. We then
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# check the correct number of detected tokens and function names.
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addons_dir = pkgshare/"addons"
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cppcheck_module = "#{name}data"
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expect_token_count = 55
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expect_function_names = "main,GetNumber,Example"
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assert_parse_message = "Error: sampleaddon.py: failed: can't parse the #{name} dump."
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sample_addon_file = testpath/"sampleaddon.py"
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sample_addon_file.write <<~EOS
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#!/usr/bin/env python
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"""A simple test addon for #{name}, prints function names and token count"""
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import sys
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import imp
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# Manually import the '#{cppcheck_module}' module
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CFILE, FNAME, CDATA = imp.find_module("#{cppcheck_module}", ["#{addons_dir}"])
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CPPCHECKDATA = imp.load_module("#{cppcheck_module}", CFILE, FNAME, CDATA)
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for arg in sys.argv[1:]:
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# Parse the dump file generated by #{name}
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configKlass = CPPCHECKDATA.parsedump(arg)
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if len(configKlass.configurations) == 0:
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sys.exit("#{assert_parse_message}") # Parse failure
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fConfig = configKlass.configurations[0]
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# Pick and join the function names in a string, separated by ','
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detected_functions = ','.join(fn.name for fn in fConfig.functions)
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detected_token_count = len(fConfig.tokenlist)
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# Print the function names on the first line and the token count on the second
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print "%s\\n%s" %(detected_functions, detected_token_count)
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EOS
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system "#{bin}/cppcheck", "--dump", test_cpp_file
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test_cpp_file_dump = "#{test_cpp_file}.dump"
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assert_predicate testpath/test_cpp_file_dump, :exist?
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output = shell_output("python #{sample_addon_file} #{test_cpp_file_dump}")
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assert_match "#{expect_function_names}\n#{expect_token_count}", output
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end
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end
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