117 lines
4.1 KiB
Ruby
117 lines
4.1 KiB
Ruby
class IncludeWhatYouUse < Formula
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desc "Tool to analyze #includes in C and C++ source files"
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homepage "https://include-what-you-use.org/"
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license "NCSA"
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revision 2
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stable do
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url "https://include-what-you-use.org/downloads/include-what-you-use-0.16.src.tar.gz"
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sha256 "8d6fc9b255343bc1e5ec459e39512df1d51c60e03562985e0076036119ff5a1c"
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depends_on "llvm@12" # include-what-you-use 0.16 is compatible with llvm 12.0
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end
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# This omits the 3.3, 3.4, and 3.5 versions, which come from the older
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# version scheme like `Clang+LLVM 3.5` (25 November 2014). The current
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# versions are like: `include-what-you-use 0.15 (aka Clang+LLVM 11)`
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# (21 November 2020).
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livecheck do
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url "https://include-what-you-use.org/downloads/"
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regex(/href=.*?include-what-you-use[._-]v?((?!3\.[345])\d+(?:\.\d+)+)[._-]src\.t/i)
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end
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bottle do
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sha256 cellar: :any, arm64_big_sur: "8b4ba730248b474d711ded0a5c713fcf303f5fed1cc476f201cb66dd4aeebd3f"
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sha256 cellar: :any, big_sur: "4abf6a45d2f3215a71340ebf920af51b6737dd49b536d1c030bab31860616d23"
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sha256 cellar: :any, catalina: "d7cf6d888dd73d6bf28ea4b455e749d5532ee2647b1168a575efa8107f6831d7"
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sha256 cellar: :any, mojave: "c2024ce23c44b1a084f144cf378fb56d9c5af4b52eca7502fc7c7961ffa82ed7"
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sha256 cellar: :any_skip_relocation, x86_64_linux: "67fb75245fd62d1724bcaebbc22012f19a0721c8d1d661c74e2cf87923732e50"
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end
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head do
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url "https://github.com/include-what-you-use/include-what-you-use.git", branch: "master"
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depends_on "llvm"
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end
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depends_on "cmake" => :build
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uses_from_macos "ncurses"
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uses_from_macos "zlib"
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def llvm
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deps.map(&:to_formula).find { |f| f.name.match? "^llvm" }
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end
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def install
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# We do not want to symlink clang or libc++ headers into HOMEBREW_PREFIX,
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# so install to libexec to ensure that the resource path, which is always
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# computed relative to the location of the include-what-you-use executable
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# and is not configurable, is also located under libexec.
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args = std_cmake_args + %W[
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-DCMAKE_INSTALL_PREFIX=#{libexec}
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-DCMAKE_PREFIX_PATH=#{llvm.opt_lib}
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]
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mkdir "build" do
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system "cmake", *args, ".."
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system "make"
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system "make", "install"
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end
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bin.write_exec_script Dir["#{libexec}/bin/*"]
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# include-what-you-use needs a copy of the clang and libc++ headers to be
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# located in specific folders under its resource path. These may need to be
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# updated when new major versions of llvm are released, i.e., by
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# incrementing the version of include-what-you-use or the revision of this
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# formula. This would be indicated by include-what-you-use failing to
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# locate stddef.h and/or stdlib.h when running the test block below.
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# https://clang.llvm.org/docs/LibTooling.html#libtooling-builtin-includes
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(libexec/"lib").mkpath
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ln_sf (llvm.opt_lib/"clang").relative_path_from(libexec/"lib"), libexec/"lib"
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(libexec/"include").mkpath
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ln_sf (llvm.opt_include/"c++").relative_path_from(libexec/"include"), libexec/"include"
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end
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test do
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(testpath/"direct.h").write <<~EOS
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#include <stddef.h>
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size_t function() { return (size_t)0; }
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EOS
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(testpath/"indirect.h").write <<~EOS
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#include "direct.h"
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EOS
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(testpath/"main.c").write <<~EOS
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#include "indirect.h"
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int main() {
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return (int)function();
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}
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EOS
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expected_output = <<~EOS
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main.c should add these lines:
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#include "direct.h" // for function
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main.c should remove these lines:
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- #include "indirect.h" // lines 1-1
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The full include-list for main.c:
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#include "direct.h" // for function
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---
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EOS
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assert_match expected_output,
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shell_output("#{bin}/include-what-you-use main.c 2>&1", 4)
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(testpath/"main.cc").write <<~EOS
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#include <iostream>
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int main() {
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std::cout << "Hello, world!" << std::endl;
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return 0;
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}
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EOS
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expected_output = <<~EOS
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(main.cc has correct #includes/fwd-decls)
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EOS
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assert_match expected_output,
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shell_output("#{bin}/include-what-you-use main.cc 2>&1", 2)
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end
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end
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