generator/generator_main.ml

   1 (* libguestfs
   2  * Copyright (C) 2009-2011 Red Hat Inc.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  17  *)
  18
  19 (* Please read generator/README first. *)
  20
  21 open Unix
  22 open Printf
  23
  24 open Generator_pr
  25 open Generator_structs
  26 open Generator_api_versions
  27
  28 open Generator_c
  29 open Generator_xdr
  30 open Generator_daemon
  31 open Generator_capitests
  32 open Generator_fish
  33 open Generator_ocaml
  34 open Generator_perl
  35 open Generator_python
  36 open Generator_ruby
  37 open Generator_java
  38 open Generator_haskell
  39 open Generator_csharp
  40 open Generator_php
  41 open Generator_erlang
  42 open Generator_bindtests
  43 open Generator_errnostring
  44
  45 let perror msg = function
  46   | Unix_error (err, _, _) ->
  47       eprintf "%s: %s\n" msg (error_message err)
  48   | exn ->
  49       eprintf "%s: %s\n" msg (Printexc.to_string exn)
  50
  51 (* Main program. *)
  52 let () =
  53   let lock_fd =
  54     try openfile "BUGS" [O_RDWR] 0
  55     with
  56     | Unix_error (ENOENT, _, _) ->
  57         eprintf "\
  58 You are probably running this from the wrong directory.
  59 Run it from the top source directory using the command
  60   make -C generator stamp-generator
  61 ";
  62         exit 1
  63     | exn ->
  64         perror "open: BUGS" exn;
  65         exit 1 in
  66
  67   (* Acquire a lock so parallel builds won't try to run the generator
  68    * twice at the same time.  Subsequent builds will wait for the first
  69    * one to finish.  Note the lock is released implicitly when the
  70    * program exits.
  71    *)
  72   (try lockf lock_fd F_LOCK 1
  73    with exn ->
  74      perror "lock: BUGS" exn;
  75      exit 1);
  76
  77   (* Read the API versions file. *)
  78   load_api_versions "src/api-support/added";
  79
  80   output_to "src/guestfs_protocol.x" generate_xdr;
  81   output_to "src/guestfs.h" generate_guestfs_h;
  82   output_to "src/guestfs-internal-actions.h" generate_internal_actions_h;
  83   output_to "src/actions.c" generate_client_actions;
  84   output_to "src/bindtests.c" generate_bindtests;
  85   output_to "src/guestfs-structs.pod" generate_structs_pod;
  86   output_to "src/guestfs-actions.pod" generate_actions_pod;
  87   output_to "src/guestfs-availability.pod" generate_availability_pod;
  88   output_to "src/errnostring_gperf.gperf" generate_errnostring_gperf;
  89   output_to "src/errnostring.c" generate_errnostring_c;
  90   output_to "src/errnostring.h" generate_errnostring_h;
  91   output_to "src/MAX_PROC_NR" generate_max_proc_nr;
  92   output_to "src/libguestfs.syms" generate_linker_script;
  93   output_to "daemon/actions.h" generate_daemon_actions_h;
  94   output_to "daemon/stubs.c" generate_daemon_actions;
  95   output_to "daemon/names.c" generate_daemon_names;
  96   output_to "daemon/optgroups.c" generate_daemon_optgroups_c;
  97   output_to "daemon/optgroups.h" generate_daemon_optgroups_h;
  98   output_to "capitests/tests.c" generate_tests;
  99   output_to "fish/cmds_gperf.gperf" generate_fish_cmds_gperf;
 100   output_to "fish/cmds.c" generate_fish_cmds;
 101   output_to "fish/completion.c" generate_fish_completion;
 102   output_to "fish/event-names.c" generate_fish_event_names;
 103   output_to "fish/fish-cmds.h" generate_fish_cmds_h;
 104   output_to "fish/guestfish-commands.pod" generate_fish_commands_pod;
 105   output_to "fish/guestfish-actions.pod" generate_fish_actions_pod;
 106   output_to "fish/prepopts.c" generate_fish_prep_options_c;
 107   output_to "fish/prepopts.h" generate_fish_prep_options_h;
 108   output_to "ocaml/guestfs.mli" generate_ocaml_mli;
 109   output_to "ocaml/guestfs.ml" generate_ocaml_ml;
 110   output_to "ocaml/guestfs_c_actions.c" generate_ocaml_c;
 111   output_to "ocaml/bindtests.ml" generate_ocaml_bindtests;
 112   output_to "perl/Guestfs.xs" generate_perl_xs;
 113   output_to "perl/lib/Sys/Guestfs.pm" generate_perl_pm;
 114   output_to "perl/bindtests.pl" generate_perl_bindtests;
 115   output_to "python/guestfs-py.c" generate_python_c;
 116   output_to "python/guestfs.py" generate_python_py;
 117   output_to "python/bindtests.py" generate_python_bindtests;
 118   output_to "ruby/ext/guestfs/_guestfs.c" generate_ruby_c;
 119   output_to "ruby/bindtests.rb" generate_ruby_bindtests;
 120   output_to "java/com/redhat/et/libguestfs/GuestFS.java" generate_java_java;
 121
 122   List.iter (
 123     fun (typ, jtyp) ->
 124       let cols = cols_of_struct typ in
 125       let filename = sprintf "java/com/redhat/et/libguestfs/%s.java" jtyp in
 126       output_to filename (generate_java_struct jtyp cols);
 127   ) java_structs;
 128
 129   output_to "java/Makefile.inc" generate_java_makefile_inc;
 130   output_to "java/com_redhat_et_libguestfs_GuestFS.c" generate_java_c;
 131   output_to "java/Bindtests.java" generate_java_bindtests;
 132   output_to "haskell/Guestfs.hs" generate_haskell_hs;
 133   output_to "haskell/Bindtests.hs" generate_haskell_bindtests;
 134   output_to "csharp/Libguestfs.cs" generate_csharp;
 135   output_to "php/extension/php_guestfs_php.h" generate_php_h;
 136   output_to "php/extension/guestfs_php.c" generate_php_c;
 137   output_to "erlang/guestfs.erl" generate_erlang_erl;
 138   output_to "erlang/erl-guestfs.c" generate_erlang_c;
 139
 140   (* Generate the list of files generated -- last. *)
 141   printf "generated %d lines of code\n" (get_lines_generated ());
 142   let files = List.sort compare (get_files_generated ()) in
 143   output_to "generator/files-generated.txt"
 144     (fun () -> List.iter (pr "%s\n") files);
 145
 146   (* Always generate this file last, and unconditionally.  It's used
 147    * by the Makefile to know when we must re-run the generator.
 148    *)
 149   let chan = open_out "generator/stamp-generator" in
 150   fprintf chan "1\n";
 151   close_out chan