"namemax", `Int;
]
+(* Used for testing language bindings. *)
+type callt =
+ | CallString of string
+ | CallOptString of string option
+ | CallStringList of string list
+ | CallInt of int
+ | CallBool of bool
+
(* Useful functions.
* Note we don't want to use any external OCaml libraries which
* makes this a bit harder than it should be.
generate_call_args ~handle:"g" (snd style);
pr "\n";
pr " guestfs_h *g;\n";
- List.iter (
- function
- | String n | FileIn n | FileOut n -> pr " char *%s;\n" n
- | OptString n -> pr " char *%s;\n" n
- | StringList n -> pr " char **%s;\n" n
- | Bool n -> pr " int %s;\n" n
- | Int n -> pr " int %s;\n" n
+ iteri (
+ fun i ->
+ function
+ | String n | FileIn n | FileOut n -> pr " char *%s;\n" n
+ | OptString n ->
+ (* http://www.perlmonks.org/?node_id=554277
+ * Note that the implicit handle argument means we have
+ * to add 1 to the ST(x) operator.
+ *)
+ pr " char *%s = SvOK(ST(%d)) ? SvPV_nolen(ST(%d)) : NULL;\n" n (i+1) (i+1)
+ | StringList n -> pr " char **%s;\n" n
+ | Bool n -> pr " int %s;\n" n
+ | Int n -> pr " int %s;\n" n
) (snd style);
let do_cleanups () =
pr " rb_raise (rb_eTypeError, \"expected string for parameter %%s of %%s\",\n";
pr " \"%s\", \"%s\");\n" n name
| OptString n ->
- pr " const char *%s = StringValueCStr (%sv);\n" n n
+ pr " const char *%s = !NIL_P (%sv) ? StringValueCStr (%sv) : NULL;\n" n n n
| StringList n ->
pr " char **%s;" n;
pr " {\n";
pr " }\n";
pr " %s[len] = NULL;\n" n;
pr " }\n";
- | Bool n
+ | Bool n ->
+ pr " int %s = RTEST (%sv);\n" n n
| Int n ->
pr " int %s = NUM2INT (%sv);\n" n n
) (snd style);
List.iter (
function
| String n
- | OptString n
| FileIn n
| FileOut n ->
pr " %s = (*env)->GetStringUTFChars (env, j%s, NULL);\n" n n
+ | OptString n ->
+ (* This is completely undocumented, but Java null becomes
+ * a NULL parameter.
+ *)
+ pr " %s = j%s ? (*env)->GetStringUTFChars (env, j%s, NULL) : NULL;\n" n n n
| StringList n ->
pr " %s_len = (*env)->GetArrayLength (env, j%s);\n" n n;
pr " %s = guestfs_safe_malloc (g, sizeof (char *) * (%s_len+1));\n" n n;
List.iter (
function
| String n
- | OptString n
| FileIn n
| FileOut n ->
pr " (*env)->ReleaseStringUTFChars (env, j%s, %s);\n" n n
+ | OptString n ->
+ pr " if (j%s)\n" n;
+ pr " (*env)->ReleaseStringUTFChars (env, j%s, %s);\n" n n
| StringList n ->
pr " for (i = 0; i < %s_len; ++i) {\n" n;
pr " jobject o = (*env)->GetObjectArrayElement (env, j%s, i);\n"
| Bool n -> pr " printf (\"%%s\\n\", %s ? \"true\" : \"false\");\n" n
| Int n -> pr " printf (\"%%d\\n\", %s);\n" n
) (snd style);
+ pr " /* Java changes stdout line buffering so we need this: */\n";
+ pr " fflush (stdout);\n";
pr " return 0;\n";
pr "}\n";
pr "\n" in
)
) tests
+and generate_ocaml_bindtests () =
+ generate_header OCamlStyle GPLv2;
+
+ pr "\
+let () =
+ let g = Guestfs.create () in
+";
+
+ let mkargs args =
+ String.concat " " (
+ List.map (
+ function
+ | CallString s -> "\"" ^ s ^ "\""
+ | CallOptString None -> "None"
+ | CallOptString (Some s) -> sprintf "(Some \"%s\")" s
+ | CallStringList xs ->
+ "[|" ^ String.concat ";" (List.map (sprintf "\"%s\"") xs) ^ "|]"
+ | CallInt i when i >= 0 -> string_of_int i
+ | CallInt i (* when i < 0 *) -> "(" ^ string_of_int i ^ ")"
+ | CallBool b -> string_of_bool b
+ ) args
+ )
+ in
+
+ generate_lang_bindtests (
+ fun f args -> pr " Guestfs.%s g %s;\n" f (mkargs args)
+ );
+
+ pr "print_endline \"EOF\"\n"
+
+and generate_perl_bindtests () =
+ pr "#!/usr/bin/perl -w\n";
+ generate_header HashStyle GPLv2;
+
+ pr "\
+use strict;
+
+use Sys::Guestfs;
+
+my $g = Sys::Guestfs->new ();
+";
+
+ let mkargs args =
+ String.concat ", " (
+ List.map (
+ function
+ | CallString s -> "\"" ^ s ^ "\""
+ | CallOptString None -> "undef"
+ | CallOptString (Some s) -> sprintf "\"%s\"" s
+ | CallStringList xs ->
+ "[" ^ String.concat "," (List.map (sprintf "\"%s\"") xs) ^ "]"
+ | CallInt i -> string_of_int i
+ | CallBool b -> if b then "1" else "0"
+ ) args
+ )
+ in
+
+ generate_lang_bindtests (
+ fun f args -> pr "$g->%s (%s);\n" f (mkargs args)
+ );
+
+ pr "print \"EOF\\n\"\n"
+
+and generate_python_bindtests () =
+ generate_header HashStyle GPLv2;
+
+ pr "\
+import guestfs
+
+g = guestfs.GuestFS ()
+";
+
+ let mkargs args =
+ String.concat ", " (
+ List.map (
+ function
+ | CallString s -> "\"" ^ s ^ "\""
+ | CallOptString None -> "None"
+ | CallOptString (Some s) -> sprintf "\"%s\"" s
+ | CallStringList xs ->
+ "[" ^ String.concat "," (List.map (sprintf "\"%s\"") xs) ^ "]"
+ | CallInt i -> string_of_int i
+ | CallBool b -> if b then "1" else "0"
+ ) args
+ )
+ in
+
+ generate_lang_bindtests (
+ fun f args -> pr "g.%s (%s)\n" f (mkargs args)
+ );
+
+ pr "print \"EOF\"\n"
+
+and generate_ruby_bindtests () =
+ generate_header HashStyle GPLv2;
+
+ pr "\
+require 'guestfs'
+
+g = Guestfs::create()
+";
+
+ let mkargs args =
+ String.concat ", " (
+ List.map (
+ function
+ | CallString s -> "\"" ^ s ^ "\""
+ | CallOptString None -> "nil"
+ | CallOptString (Some s) -> sprintf "\"%s\"" s
+ | CallStringList xs ->
+ "[" ^ String.concat "," (List.map (sprintf "\"%s\"") xs) ^ "]"
+ | CallInt i -> string_of_int i
+ | CallBool b -> string_of_bool b
+ ) args
+ )
+ in
+
+ generate_lang_bindtests (
+ fun f args -> pr "g.%s(%s)\n" f (mkargs args)
+ );
+
+ pr "print \"EOF\\n\"\n"
+
+and generate_java_bindtests () =
+ generate_header CStyle GPLv2;
+
+ pr "\
+import com.redhat.et.libguestfs.*;
+
+public class Bindtests {
+ public static void main (String[] argv)
+ {
+ try {
+ GuestFS g = new GuestFS ();
+";
+
+ let mkargs args =
+ String.concat ", " (
+ List.map (
+ function
+ | CallString s -> "\"" ^ s ^ "\""
+ | CallOptString None -> "null"
+ | CallOptString (Some s) -> sprintf "\"%s\"" s
+ | CallStringList xs ->
+ "new String[]{" ^
+ String.concat "," (List.map (sprintf "\"%s\"") xs) ^ "}"
+ | CallInt i -> string_of_int i
+ | CallBool b -> string_of_bool b
+ ) args
+ )
+ in
+
+ generate_lang_bindtests (
+ fun f args -> pr " g.%s (%s);\n" f (mkargs args)
+ );
+
+ pr "
+ System.out.println (\"EOF\");
+ }
+ catch (Exception exn) {
+ System.err.println (exn);
+ System.exit (1);
+ }
+ }
+}
+"
+
+and generate_haskell_bindtests () =
+ () (* XXX Haskell bindings need to be fleshed out. *)
+
+(* Language-independent bindings tests - we do it this way to
+ * ensure there is parity in testing bindings across all languages.
+ *)
+and generate_lang_bindtests call =
+ call "test0" [CallString "abc"; CallOptString (Some "def");
+ CallStringList []; CallBool false;
+ CallInt 0; CallString "123"; CallString "456"];
+ call "test0" [CallString "abc"; CallOptString None;
+ CallStringList []; CallBool false;
+ CallInt 0; CallString "123"; CallString "456"];
+ call "test0" [CallString ""; CallOptString (Some "def");
+ CallStringList []; CallBool false;
+ CallInt 0; CallString "123"; CallString "456"];
+ call "test0" [CallString ""; CallOptString (Some "");
+ CallStringList []; CallBool false;
+ CallInt 0; CallString "123"; CallString "456"];
+ call "test0" [CallString "abc"; CallOptString (Some "def");
+ CallStringList ["1"]; CallBool false;
+ CallInt 0; CallString "123"; CallString "456"];
+ call "test0" [CallString "abc"; CallOptString (Some "def");
+ CallStringList ["1"; "2"]; CallBool false;
+ CallInt 0; CallString "123"; CallString "456"];
+ call "test0" [CallString "abc"; CallOptString (Some "def");
+ CallStringList ["1"]; CallBool true;
+ CallInt 0; CallString "123"; CallString "456"];
+ call "test0" [CallString "abc"; CallOptString (Some "def");
+ CallStringList ["1"]; CallBool false;
+ CallInt (-1); CallString "123"; CallString "456"];
+ call "test0" [CallString "abc"; CallOptString (Some "def");
+ CallStringList ["1"]; CallBool false;
+ CallInt (-2); CallString "123"; CallString "456"];
+ call "test0" [CallString "abc"; CallOptString (Some "def");
+ CallStringList ["1"]; CallBool false;
+ CallInt 1; CallString "123"; CallString "456"];
+ call "test0" [CallString "abc"; CallOptString (Some "def");
+ CallStringList ["1"]; CallBool false;
+ CallInt 2; CallString "123"; CallString "456"];
+ call "test0" [CallString "abc"; CallOptString (Some "def");
+ CallStringList ["1"]; CallBool false;
+ CallInt 4095; CallString "123"; CallString "456"];
+ call "test0" [CallString "abc"; CallOptString (Some "def");
+ CallStringList ["1"]; CallBool false;
+ CallInt 0; CallString ""; CallString ""]
+
let output_to filename =
let filename_new = filename ^ ".new" in
chan := open_out filename_new;
generate_ocaml_c ();
close ();
+ let close = output_to "ocaml/bindtests.ml" in
+ generate_ocaml_bindtests ();
+ close ();
+
let close = output_to "perl/Guestfs.xs" in
generate_perl_xs ();
close ();
generate_perl_pm ();
close ();
+ let close = output_to "perl/bindtests.pl" in
+ generate_perl_bindtests ();
+ close ();
+
let close = output_to "python/guestfs-py.c" in
generate_python_c ();
close ();
generate_python_py ();
close ();
+ let close = output_to "python/bindtests.py" in
+ generate_python_bindtests ();
+ close ();
+
let close = output_to "ruby/ext/guestfs/_guestfs.c" in
generate_ruby_c ();
close ();
+ let close = output_to "ruby/bindtests.rb" in
+ generate_ruby_bindtests ();
+ close ();
+
let close = output_to "java/com/redhat/et/libguestfs/GuestFS.java" in
generate_java_java ();
close ();
generate_java_c ();
close ();
+ let close = output_to "java/Bindtests.java" in
+ generate_java_bindtests ();
+ close ();
+
let close = output_to "haskell/Guestfs.hs" in
generate_haskell_hs ();
close ();
+
+ let close = output_to "haskell/bindtests.hs" in
+ generate_haskell_bindtests ();
+ close ();
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