75 lines
2.8 KiB
Ruby
75 lines
2.8 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-0.12.src.tar.gz"
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sha256 "a5892fb0abccb820c394e4e245c00ef30fc94e4ae58a048b23f94047c0816025"
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bottle do
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sha256 "a27076eb4615c5d58a838a2afcb037565a863bc24df30074fdb65785819bdf0f" => :catalina
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sha256 "e5ce12e2d2b7056d8ece7ceb99d4763af538f1c4890135f47979e5cf38306c5d" => :mojave
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sha256 "4bf150841df194cf4b56ca9e014b6f2f4bf6ff934d884f33847621094ee5a995" => :high_sierra
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sha256 "eb35442872740e747b0e526097cac632fec3fadcaa94ba1ecfd5396d10671acc" => :sierra
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end
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depends_on "cmake" => :build
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depends_on "llvm" # include-what-you-use 0.12 is compatible with llvm 8.0
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def install
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# We do not want to symlink clang headers into HOMEBREW_PREFIX, so install
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# to libexec to ensure that the resource path, which is always computed
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# relative to the location of the include-what-you-use executable and is
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# 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=#{Formula["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 headers to be located
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# in a specific folder 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 when running the test block below.
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# https://clang.llvm.org/docs/LibTooling.html#libtooling-builtin-includes
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mkdir_p libexec/"lib/clang/#{Formula["llvm"].version}/include"
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cp_r Dir["#{Formula["llvm"].opt_lib}/clang/#{Formula["llvm"].version}/include/*"],
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libexec/"lib/clang/#{Formula["llvm"].version}/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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end
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end
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