From 34e761962bae1c8d642443078bc888b73b1e5dce Mon Sep 17 00:00:00 2001
From: Alex Wied <centromere@users.noreply.github.com>
Date: Wed, 13 Jul 2022 05:52:42 -0400
Subject: [PATCH] cxx-rs: init at 1.0.72

This library provides a safe mechanism for calling C++ code from Rust
and Rust code from C++, not subject to the many ways that things can
go wrong when using bindgen or cbindgen to generate unsafe C-style
bindings.
---
 pkgs/development/libraries/cxx-rs/Cargo.lock  | 445 ++++++++++++++++++
 pkgs/development/libraries/cxx-rs/default.nix |  54 +++
 pkgs/top-level/all-packages.nix               |   2 +
 3 files changed, 501 insertions(+)
 create mode 100644 pkgs/development/libraries/cxx-rs/Cargo.lock
 create mode 100644 pkgs/development/libraries/cxx-rs/default.nix

diff --git a/pkgs/development/libraries/cxx-rs/Cargo.lock b/pkgs/development/libraries/cxx-rs/Cargo.lock
new file mode 100644
index 000000000000..6714e2f8a474
--- /dev/null
+++ b/pkgs/development/libraries/cxx-rs/Cargo.lock
@@ -0,0 +1,445 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "adler"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
+
+[[package]]
+name = "autocfg"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
+
+[[package]]
+name = "bitflags"
+version = "1.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
+
+[[package]]
+name = "cc"
+version = "1.0.73"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2fff2a6927b3bb87f9595d67196a70493f627687a71d87a0d692242c33f58c11"
+dependencies = [
+ "jobserver",
+]
+
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
+[[package]]
+name = "clang-ast"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9c380e0de48337007dfc91b09eb75f567f5f08209437857fbaabbaf2e77e830"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "clap"
+version = "3.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "54635806b078b7925d6e36810b1755f2a4b5b4d57560432c1ecf60bcbe10602b"
+dependencies = [
+ "bitflags",
+ "clap_lex",
+ "indexmap",
+ "strsim",
+ "textwrap",
+]
+
+[[package]]
+name = "clap_lex"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2850f2f5a82cbf437dd5af4d49848fbdfc27c157c3d010345776f952765261c5"
+dependencies = [
+ "os_str_bytes",
+]
+
+[[package]]
+name = "codespan-reporting"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3538270d33cc669650c4b093848450d380def10c331d38c768e34cac80576e6e"
+dependencies = [
+ "termcolor",
+ "unicode-width",
+]
+
+[[package]]
+name = "crc32fast"
+version = "1.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b540bd8bc810d3885c6ea91e2018302f68baba2129ab3e88f32389ee9370880d"
+dependencies = [
+ "cfg-if",
+]
+
+[[package]]
+name = "cxx"
+version = "1.0.72"
+dependencies = [
+ "cc",
+ "cxx-build",
+ "cxx-gen",
+ "cxx-test-suite",
+ "cxxbridge-flags",
+ "cxxbridge-macro",
+ "link-cplusplus",
+ "rustversion",
+ "trybuild",
+]
+
+[[package]]
+name = "cxx-build"
+version = "1.0.72"
+dependencies = [
+ "cc",
+ "codespan-reporting",
+ "cxx-gen",
+ "once_cell",
+ "pkg-config",
+ "proc-macro2",
+ "quote",
+ "scratch",
+ "syn",
+]
+
+[[package]]
+name = "cxx-gen"
+version = "0.7.72"
+dependencies = [
+ "codespan-reporting",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "cxx-test-suite"
+version = "0.0.0"
+dependencies = [
+ "cxx",
+ "cxx-build",
+ "cxxbridge-flags",
+]
+
+[[package]]
+name = "cxxbridge-cmd"
+version = "1.0.72"
+dependencies = [
+ "clap",
+ "codespan-reporting",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "cxxbridge-flags"
+version = "1.0.72"
+
+[[package]]
+name = "cxxbridge-macro"
+version = "1.0.72"
+dependencies = [
+ "clang-ast",
+ "cxx",
+ "flate2",
+ "memmap",
+ "proc-macro2",
+ "quote",
+ "serde",
+ "serde_json",
+ "syn",
+]
+
+[[package]]
+name = "demo"
+version = "0.0.0"
+dependencies = [
+ "cxx",
+ "cxx-build",
+]
+
+[[package]]
+name = "dissimilar"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8c97b9233581d84b8e1e689cdd3a47b6f69770084fc246e86a7f78b0d9c1d4a5"
+
+[[package]]
+name = "flate2"
+version = "1.0.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f82b0f4c27ad9f8bfd1f3208d882da2b09c301bc1c828fd3a00d0216d2fbbff6"
+dependencies = [
+ "crc32fast",
+ "miniz_oxide",
+]
+
+[[package]]
+name = "glob"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
+
+[[package]]
+name = "hashbrown"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
+
+[[package]]
+name = "indexmap"
+version = "1.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "10a35a97730320ffe8e2d410b5d3b69279b98d2c14bdb8b70ea89ecf7888d41e"
+dependencies = [
+ "autocfg",
+ "hashbrown",
+]
+
+[[package]]
+name = "itoa"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "112c678d4050afce233f4f2852bb2eb519230b3cf12f33585275537d7e41578d"
+
+[[package]]
+name = "jobserver"
+version = "0.1.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af25a77299a7f711a01975c35a6a424eb6862092cc2d6c72c4ed6cbc56dfc1fa"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "libc"
+version = "0.2.126"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "349d5a591cd28b49e1d1037471617a32ddcda5731b99419008085f72d5a53836"
+
+[[package]]
+name = "link-cplusplus"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8cae2cd7ba2f3f63938b9c724475dfb7b9861b545a90324476324ed21dbc8c8"
+dependencies = [
+ "cc",
+]
+
+[[package]]
+name = "memmap"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6585fd95e7bb50d6cc31e20d4cf9afb4e2ba16c5846fc76793f11218da9c475b"
+dependencies = [
+ "libc",
+ "winapi",
+]
+
+[[package]]
+name = "miniz_oxide"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6f5c75688da582b8ffc1f1799e9db273f32133c49e048f614d22ec3256773ccc"
+dependencies = [
+ "adler",
+]
+
+[[package]]
+name = "once_cell"
+version = "1.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "18a6dbe30758c9f83eb00cbea4ac95966305f5a7772f3f42ebfc7fc7eddbd8e1"
+
+[[package]]
+name = "os_str_bytes"
+version = "6.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "648001efe5d5c0102d8cea768e348da85d90af8ba91f0bea908f157951493cd4"
+
+[[package]]
+name = "pkg-config"
+version = "0.3.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1df8c4ec4b0627e53bdf214615ad287367e482558cf84b109250b37464dc03ae"
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.40"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dd96a1e8ed2596c337f8eae5f24924ec83f5ad5ab21ea8e455d3566c69fbcaf7"
+dependencies = [
+ "unicode-ident",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3bcdf212e9776fbcb2d23ab029360416bb1706b1aea2d1a5ba002727cbcab804"
+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
+name = "rustversion"
+version = "1.0.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "24c8ad4f0c00e1eb5bc7614d236a7f1300e3dbd76b68cac8e06fb00b015ad8d8"
+
+[[package]]
+name = "ryu"
+version = "1.0.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f3f6f92acf49d1b98f7a81226834412ada05458b7364277387724a237f062695"
+
+[[package]]
+name = "scratch"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "96311ef4a16462c757bb6a39152c40f58f31cd2602a40fceb937e2bc34e6cbab"
+
+[[package]]
+name = "serde"
+version = "1.0.140"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fc855a42c7967b7c369eb5860f7164ef1f6f81c20c7cc1141f2a604e18723b03"
+dependencies = [
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.140"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6f2122636b9fe3b81f1cb25099fcf2d3f542cdb1d45940d56c713158884a05da"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "serde_json"
+version = "1.0.82"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "82c2c1fdcd807d1098552c5b9a36e425e42e9fbd7c6a37a8425f390f781f7fa7"
+dependencies = [
+ "itoa",
+ "ryu",
+ "serde",
+]
+
+[[package]]
+name = "strsim"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
+
+[[package]]
+name = "syn"
+version = "1.0.98"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c50aef8a904de4c23c788f104b7dddc7d6f79c647c7c8ce4cc8f73eb0ca773dd"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "termcolor"
+version = "1.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bab24d30b911b2376f3a13cc2cd443142f0c81dda04c118693e35b3835757755"
+dependencies = [
+ "winapi-util",
+]
+
+[[package]]
+name = "textwrap"
+version = "0.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1141d4d61095b28419e22cb0bbf02755f5e54e0526f97f1e3d1d160e60885fb"
+
+[[package]]
+name = "toml"
+version = "0.5.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8d82e1a7758622a465f8cee077614c73484dac5b836c02ff6a40d5d1010324d7"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "trybuild"
+version = "1.0.63"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "764b9e244b482a9b81bde596aa37aa6f1347bf8007adab25e59f901b32b4e0a0"
+dependencies = [
+ "dissimilar",
+ "glob",
+ "once_cell",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "termcolor",
+ "toml",
+]
+
+[[package]]
+name = "unicode-ident"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "15c61ba63f9235225a22310255a29b806b907c9b8c964bcbd0a2c70f3f2deea7"
+
+[[package]]
+name = "unicode-width"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3ed742d4ea2bd1176e236172c8429aaf54486e7ac098db29ffe6529e0ce50973"
+
+[[package]]
+name = "winapi"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+
+[[package]]
+name = "winapi-util"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
+dependencies = [
+ "winapi",
+]
+
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
diff --git a/pkgs/development/libraries/cxx-rs/default.nix b/pkgs/development/libraries/cxx-rs/default.nix
new file mode 100644
index 000000000000..4294cdd646f7
--- /dev/null
+++ b/pkgs/development/libraries/cxx-rs/default.nix
@@ -0,0 +1,54 @@
+{ cxx-rs, fetchFromGitHub, lib, rustPlatform, testers }:
+
+rustPlatform.buildRustPackage rec {
+  pname = "cxx-rs";
+  version = "1.0.72";
+
+  src = fetchFromGitHub {
+    owner = "dtolnay";
+    repo = "cxx";
+    rev = version;
+    sha256 = "sha256-+OumeLSgz8kLQKhEc3icCk1q+X+S7Xt+XtAlkx8iguU=";
+  };
+
+  cargoLock = {
+    lockFile = ./Cargo.lock;
+  };
+
+  postPatch = ''
+    cp ${./Cargo.lock} Cargo.lock
+  '';
+
+  cargoBuildFlags = [
+    "--workspace"
+    "--exclude=demo"
+  ];
+
+  postBuild = ''
+    cargo doc --release
+  '';
+
+  cargoTestFlags = [ "--workspace" ];
+
+  outputs = [ "out" "doc" "dev" ];
+
+  postInstall = ''
+    mkdir -p $doc
+    cp -r ./target/doc/* $doc
+
+    mkdir -p $dev/include/rust
+    install -D -m 0644 ./include/cxx.h $dev/include/rust
+  '';
+
+  passthru.tests.version = testers.testVersion {
+    package = cxx-rs;
+    command = "cxxbridge --version";
+  };
+
+  meta = with lib; {
+    description = "Safe FFI between Rust and C++";
+    homepage = "https://github.com/dtolnay/cxx";
+    license = licenses.mit;
+    maintainers = with maintainers; [ centromere ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 49772490ff0f..6c643d855597 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -292,6 +292,8 @@ with pkgs;
 
   cfn-nag = callPackage ../development/tools/cfn-nag { };
 
+  cxx-rs = callPackage ../development/libraries/cxx-rs { };
+
   elfcat = callPackage ../tools/misc/elfcat { };
 
   # Zip file format only allows times after year 1980, which makes e.g. Python