107 lines
4.4 KiB
Ruby
107 lines
4.4 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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url "https://include-what-you-use.org/downloads/include-what-you-use-0.19.src.tar.gz"
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sha256 "2b10157b60ea08adc08e3896b4921c73fcadd5ec4eb652b29a34129d501e5ee0"
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license "NCSA"
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head "https://github.com/include-what-you-use/include-what-you-use.git", branch: "master"
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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_ventura: "9cd980ebf2328c24e34e5b8f383f845e8c5de2d29d5904f61d5c1ec1e5f7758f"
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sha256 cellar: :any, arm64_monterey: "74bffb0dc7dce47d0dc66a334ae2f97d706832527d8238d87b1b55ac7f774426"
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sha256 cellar: :any, arm64_big_sur: "395a9b31cb4e9024488e33dff157836d6c833cdda34b57f1882aa18140027870"
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sha256 cellar: :any, ventura: "5055c407f01109a7c2791335c3ae8d49cf5e43eb30d8d39a99c83a582da088e7"
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sha256 cellar: :any, monterey: "a3c265161618434e2f7309e3a40d4450a52be8a2ad10ad6866b3fbc489a62ede"
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sha256 cellar: :any, big_sur: "d468ab80a9508cd22dc08d5fba619209aef43d3b527db3522fc2a13dfaabec27"
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sha256 cellar: :any, catalina: "7c460a64c73fc4b03690b68c1928b2a0bd8afb1aa4a62a11ba2f28898a47833f"
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sha256 cellar: :any_skip_relocation, x86_64_linux: "3518a3e1f2fa504af9571c3988f626df0b3b0842f2c811d9b3c89d85e1c011eb"
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end
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depends_on "cmake" => :build
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depends_on "llvm"
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uses_from_macos "ncurses"
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uses_from_macos "zlib"
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fails_with gcc: "5" # LLVM is built with GCC
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def llvm
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deps.map(&:to_formula).find { |f| f.name.match?(/^llvm(@\d+(\.\d+)*)?$/) }
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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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system "cmake", "-S", ".", "-B", "build", *std_cmake_args(install_prefix: libexec)
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system "cmake", "--build", "build"
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system "cmake", "--install", "build"
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bin.write_exec_script libexec.glob("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")
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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")
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end
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end
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