;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2024 Danny Milosavljevic <dannym@friendly-machines.com>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (gnu packages c2rust)
  #:use-module (guix packages)
  #:use-module (guix download)
  #:use-module (guix git-download)
  #:use-module (guix build-system cargo)
  #:use-module (guix build-system gnu)
  #:use-module (guix gexp)
  #:use-module (guix utils)
  #:use-module (gnu packages)
  #:use-module (gnu packages cmake)
  #:use-module (gnu packages crates-io)
  #:use-module (gnu packages crates-vcs)
  #:use-module (gnu packages pkg-config)
  #:use-module (gnu packages qt)
  #:use-module (gnu packages llvm)
  #:use-module ((guix licenses) #:prefix license:))

(define-public rust-c2rust-bitfields-derive-0.18
  (package
    (name "rust-c2rust-bitfields-derive")
    (version "0.18.0")
    (source
     (origin
       (method url-fetch)
       (uri (crate-uri "c2rust-bitfields-derive" version))
       (file-name (string-append name "-" version ".tar.gz"))
       (sha256
        (base32 "0i95j6q1d61h1m1pk84i3ih00hsmbn8ib35xr129fz2rw81c3jyk"))))
    (build-system cargo-build-system)
    (arguments
     `(#:skip-build? #t
       #:cargo-inputs (("rust-proc-macro2" ,rust-proc-macro2-1)
                       ("rust-quote" ,rust-quote-1)
                       ("rust-syn" ,rust-syn-1))))
    (home-page "https://c2rust.com/")
    (synopsis
     "C-compatible struct bitfield derive implementation used in the C2Rust project")
    (description
     "This package provides C-compatible struct bitfield derive implementation used in the C2Rust project.")
    (license license:bsd-3)))

(define-public rust-c2rust-bitfields-0.18
  (package
    (name "rust-c2rust-bitfields")
    (version "0.18.0")
    (source
     (origin
       (method url-fetch)
       (uri (crate-uri "c2rust-bitfields" version))
       (file-name (string-append name "-" version ".tar.gz"))
       (sha256
        (base32 "0h9cnyijk65zypv8dqbmr5r238pqq9pa8njrdzx09xhfmc3kyg5l"))))
    (build-system cargo-build-system)
    (arguments
     `(#:skip-build? #t
       #:cargo-inputs (("rust-c2rust-bitfields-derive" ,rust-c2rust-bitfields-derive-0.18))))
    (home-page "https://c2rust.com/")
    (synopsis
     "C-compatible struct bitfield implementation used in the C2Rust project")
    (description
     "This package provides C-compatible struct bitfield implementation used in the C2Rust project.")
    (license license:bsd-3)))

(define-public rust-c2rust-ast-printer-0.18
  (package
    (name "rust-c2rust-ast-printer")
    (version "0.18.0")
    (source
     (origin
       (method url-fetch)
       (uri (crate-uri "c2rust-ast-printer" version))
       (file-name (string-append name "-" version ".tar.gz"))
       (sha256
        (base32 "1a02bnnxn1difq917c2rv8b7654ni65lyk37hdyklv9n96inr07r"))))
    (build-system cargo-build-system)
    (arguments
     `(#:skip-build? #t
       #:cargo-inputs (("rust-log" ,rust-log-0.4)
                       ("rust-prettyplease" ,rust-prettyplease-0.1)
                       ("rust-proc-macro2" ,rust-proc-macro2-1)
                       ("rust-syn" ,rust-syn-1))))
    (home-page "https://c2rust.com/")
    (synopsis "Customized version of libsyntax rust pretty-printer")
    (description
     "This package provides Customized version of libsyntax rust pretty-printer.")
    (license (list license:expat license:asl2.0))))

(define-public rust-c2rust-ast-builder-0.18
  (package
    (name "rust-c2rust-ast-builder")
    (version "0.18.0")
    (source
     (origin
       (method url-fetch)
       (uri (crate-uri "c2rust-ast-builder" version))
       (file-name (string-append name "-" version ".tar.gz"))
       (sha256
        (base32 "0w63rp66g6axkymxd16avxp3gjnphy3mg9938gsh52p4aak83nq5"))))
    (build-system cargo-build-system)
    (arguments
     `(#:skip-build? #t
       #:cargo-inputs (("rust-proc-macro2" ,rust-proc-macro2-1)
                       ("rust-syn" ,rust-syn-1))))
    (home-page "https://c2rust.com/")
    (synopsis "Rust AST builder support crate for the C2Rust project")
    (description
     "This package provides Rust AST builder support crate for the C2Rust project.")
    (license license:bsd-3)))

(define-public rust-c2rust-build-paths-0.18
  (package
    (name "rust-c2rust-build-paths")
    (version "0.18.0")
    (source
     (origin
       (method url-fetch)
       (uri (crate-uri "c2rust-build-paths" version))
       (file-name (string-append name "-" version ".tar.gz"))
       (sha256
        (base32 "0b2liaxbqksgfbsmr6hacdia6czlq7m0pyqx3l2rrcfcnb2ksgv0"))))
    (build-system cargo-build-system)
    (arguments
     `(#:skip-build? #t
       #:cargo-inputs (("rust-print-bytes" ,rust-print-bytes-1))))
    (home-page "https://c2rust.com/")
    (synopsis
     "C2Rust utilities related to build paths, primarily at build time")
    (description
     "This package provides C2Rust utilities related to build paths, primarily at build time.")
    (license license:bsd-3)))

;; Note: It has expat license.
;; Note: That is supposedly the (unreleased) version 0.6.3.
(define %tinycbor-source
  (origin
    (method git-fetch)
    (uri (git-reference
          (url "https://github.com/intel/tinycbor.git")
          (commit "d393c16f3eb30d0c47e6f9d92db62272f0ec4dc7")))
    (sha256
     (base32
      "0w38lzj0rz36skc1cn3shllc82c7nn32h88frb8f164a8haq3hkw"))))

(define-public rust-c2rust-ast-exporter-0.18
  (package
    (name "rust-c2rust-ast-exporter")
    (version "0.18.0")
    (source
     (origin
       (method url-fetch)
       (uri (crate-uri "c2rust-ast-exporter" version))
       (file-name (string-append name "-" version ".tar.gz"))
       (sha256
        (base32 "1m589a7jld5mi7zv9z179p5j90zh7mkhbmj05mgx6bbp6m45kx7p"))
       (patches (search-patches "c2rust-ast-exporter-local-search.patch"))
       (modules '((guix build utils)))))
    (build-system cargo-build-system)
    (native-inputs
     `(("cmake" ,cmake)
       ("clang" ,clang)))
    (propagated-inputs
     `(("tinycbor-src" ,%tinycbor-source)))
    (inputs
     (list llvm))
    (arguments
     `(#:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'bundle-tinycbor
           (lambda* (#:key inputs #:allow-other-keys)
             ;; The build process will slightly patch the sources.
             (copy-recursively (assoc-ref inputs "tinycbor-src")
                               "/tmp/tinycbor")
             (setenv "GUIX_TINYCBOR_SOURCE_DIR" "/tmp/tinycbor"))))
       #:skip-build? #f
       #:cargo-inputs (("rust-bindgen" ,rust-bindgen-0.65)
                       ("rust-c2rust-build-paths" ,rust-c2rust-build-paths-0.18)
                       ("rust-clang-sys" ,rust-clang-sys-1.8)
                       ("rust-cmake" ,rust-cmake-0.1)
                       ("rust-env-logger" ,rust-env-logger-0.10)
                       ("rust-libc" ,rust-libc-0.2)
                       ("rust-serde" ,rust-serde-1)
                       ("rust-serde-bytes" ,rust-serde-bytes-0.11)
                       ("rust-serde-cbor" ,rust-serde-cbor-0.11))))
    (home-page "https://c2rust.com/")
    (synopsis "Clang AST extraction API for use in the C2Rust project")
    (description
     "This package provides Clang AST extraction API for use in the C2Rust project.")
    (license license:bsd-3)))

(define-public rust-c2rust-transpile-0.18
  (package
    (name "rust-c2rust-transpile")
    (version "0.18.0")
    (source
     (origin
       (method url-fetch)
       (uri (crate-uri "c2rust-transpile" version))
       (file-name (string-append name "-" version ".tar.gz"))
       (sha256
        (base32 "09fvi2id0qjhfvsqcz9222ac81lyl2j6rbq280dhn06y1nvy000c"))))
    (build-system cargo-build-system)
    (arguments
     `(#:skip-build? #t
       #:cargo-inputs (("rust-c2rust-ast-builder" ,rust-c2rust-ast-builder-0.18)
                       ("rust-c2rust-ast-exporter" ,rust-c2rust-ast-exporter-0.18)
                       ("rust-c2rust-ast-printer" ,rust-c2rust-ast-printer-0.18)
                       ("rust-c2rust-bitfields" ,rust-c2rust-bitfields-0.18)
                       ("rust-colored" ,rust-colored-2)
                       ("rust-dtoa" ,rust-dtoa-1)
                       ("rust-failure" ,rust-failure-0.1)
                       ("rust-fern" ,rust-fern-0.6)
                       ("rust-handlebars" ,rust-handlebars-4)
                       ("rust-indexmap" ,rust-indexmap-1)
                       ("rust-itertools" ,rust-itertools-0.10)
                       ("rust-libc" ,rust-libc-0.2)
                       ("rust-log" ,rust-log-0.4)
                       ("rust-log-reroute" ,rust-log-reroute-0.1)
                       ("rust-pathdiff" ,rust-pathdiff-0.2)
                       ("rust-proc-macro2" ,rust-proc-macro2-1)
                       ("rust-regex" ,rust-regex-1)
                       ("rust-serde" ,rust-serde-1)
                       ("rust-serde-bencode" ,rust-serde-bencode-0.2)
                       ("rust-serde-bytes" ,rust-serde-bytes-0.11)
                       ("rust-serde-derive" ,rust-serde-derive-1)
                       ("rust-serde-json" ,rust-serde-json-1)
                       ("rust-smallvec" ,rust-smallvec-1)
                       ("rust-strum" ,rust-strum-0.24)
                       ("rust-strum-macros" ,rust-strum-macros-0.24)
                       ("rust-syn" ,rust-syn-1))))
    (home-page "https://c2rust.com/")
    (synopsis "C2Rust transpiler implementation")
    (description "This package provides C2Rust transpiler implementation.")
    (license license:bsd-3)))

(define-public c2rust
  (package
    (name "c2rust")
    (version "0.18.0")
    (source
     (origin
       (method url-fetch)
       (uri (crate-uri "c2rust" version))
       (file-name (string-append name "-" version ".tar.gz"))
       (sha256
        (base32 "1rg9cvvmh9zw89mz2bpyvqlwbfhzl5dw2hab9z6d5rasr8mir7nh"))))
    (build-system cargo-build-system)
    (native-inputs
     `(("tinycbor-src" ,%tinycbor-source)
       ("cmake" ,cmake)
       ("clang" ,clang)))
    (inputs (list llvm))
    (arguments
     `(#:cargo-inputs (("rust-anyhow" ,rust-anyhow-1)
                       ("rust-c2rust-build-paths" ,rust-c2rust-build-paths-0.18)
                       ("rust-c2rust-transpile" ,rust-c2rust-transpile-0.18)
                       ("rust-clap" ,rust-clap-3)
                       ("rust-env-logger" ,rust-env-logger-0.10)
                       ("rust-git-testament" ,rust-git-testament-0.2)
                       ("rust-is-executable" ,rust-is-executable-1)
                       ("rust-log" ,rust-log-0.4)
                       ("rust-regex" ,rust-regex-1)
                       ("rust-shlex" ,rust-shlex-1)
                       ("rust-time-macros" ,rust-time-macros-0.2))
       #:phases
       (modify-phases %standard-phases
         (add-after 'unpack 'patch-deps
           (lambda _
             ;; This is incorrect in the release to begin with.
             (substitute* "Cargo.toml"
              (("=0.2.6") "=0.2.18"))))
         (add-before 'build 'patch
           (lambda* (#:key inputs #:allow-other-keys)
             ;; The build process will slightly patch the sources.
             (copy-recursively (assoc-ref inputs "tinycbor-src")
                               "/tmp/tinycbor")
             (setenv "GUIX_TINYCBOR_SOURCE_DIR" "/tmp/tinycbor"))))))
    (home-page "https://c2rust.com/")
    (synopsis "C to Rust translation, refactoring, and cross-checking")
    (description
     "This package provides C to Rust translation, refactoring, and cross-checking.")
    (license license:bsd-3)))