Add OCaml (#846)

config/langs.toml

@@ -639,6 +639,26 @@ for arg in commandLineParams():
     echo arg
 '''
 
+[OCaml]
+size = '207 MiB'
+version = '4.14.0'
+website = 'https://ocaml.org'
+example = '''
+(* Printing *)
+print_endline "Hello, World!";
+
+(* Looping *)
+for i = 0 to 9 do
+  Printf.printf "%d\n" i
+done;
+
+(* Accessing arguments *)
+Sys.argv
+  |> Array.to_list
+  |> List.tl
+  |> List.iter print_endline;
+'''
+
 [Pascal]
 size    = '30.9 MiB'
 version = '3.2.2'

db/a-schema.sql

@@ -54,7 +54,7 @@ CREATE TYPE lang AS ENUM (
     'assembly', 'awk', 'bash', 'basic', 'brainfuck', 'c', 'c-sharp', 'cpp',
     'cobol', 'crystal', 'd', 'dart', 'elixir', 'f-sharp', 'fish', 'fortran',
     'go', 'golfscript', 'haskell', 'hexagony', 'j', 'java', 'javascript',
-    'julia', 'k', 'lisp', 'lua', 'nim', 'pascal', 'perl', 'php', 'powershell',
+    'julia', 'k', 'lisp', 'lua', 'nim', 'ocaml', 'pascal', 'perl', 'php', 'powershell',
     'prolog', 'python', 'r', 'raku', 'ruby', 'rust', 'sed', 'sql', 'swift',
     'tcl', 'v', 'viml', 'wren', 'zig'
 );

docker/dev.Dockerfile

@@ -14,6 +14,7 @@ COPY --from=codegolf/lang-d          ["/", "/langs/d/rootfs/"         ] #  293 M
 COPY --from=codegolf/lang-julia      ["/", "/langs/julia/rootfs/"     ] #  282 MiB
 COPY --from=codegolf/lang-basic      ["/", "/langs/basic/rootfs/"     ] #  268 MiB
 COPY --from=codegolf/lang-zig        ["/", "/langs/zig/rootfs/"       ] #  262 MiB
+COPY --from=codegolf/lang-ocaml      ["/", "/langs/ocaml/rootfs/"     ] #  207 MiB
 COPY --from=codegolf/lang-crystal    ["/", "/langs/crystal/rootfs/"   ] #  203 MiB
 COPY --from=codegolf/lang-powershell ["/", "/langs/powershell/rootfs/"] #  174 MiB
 COPY --from=codegolf/lang-elixir     ["/", "/langs/elixir/rootfs/"    ] #  168 MiB

docker/live.Dockerfile

@@ -27,6 +27,7 @@ COPY --from=codegolf/lang-d          ["/", "/langs/d/rootfs/"         ] #  293 M
 COPY --from=codegolf/lang-julia      ["/", "/langs/julia/rootfs/"     ] #  282 MiB
 COPY --from=codegolf/lang-basic      ["/", "/langs/basic/rootfs/"     ] #  268 MiB
 COPY --from=codegolf/lang-zig        ["/", "/langs/zig/rootfs/"       ] #  262 MiB
+COPY --from=codegolf/lang-ocaml      ["/", "/langs/ocaml/rootfs/"     ] #  207 MiB
 COPY --from=codegolf/lang-crystal    ["/", "/langs/crystal/rootfs/"   ] #  203 MiB
 COPY --from=codegolf/lang-powershell ["/", "/langs/powershell/rootfs/"] #  174 MiB
 COPY --from=codegolf/lang-elixir     ["/", "/langs/elixir/rootfs/"    ] #  168 MiB

hole/play.go

@@ -241,6 +241,8 @@ func play(ctx context.Context, holeID, langID, code string, score *Scorecard) {
 		cmd.Env = []string{"HOME=/"}
 	case "nim":
 		cmd.Args = []string{"/usr/bin/nim", "--colors:on", "-o:/tmp/code", "-r", "c", "-"}
+	case "ocaml":
+		cmd.Args = []string{"/usr/bin/ocaml", "/proc/self/fd/0"}
 	case "perl":
 		cmd.Args = []string{"/usr/bin/perl", "-E", code, "--"}
 	case "powershell":

js/_codemirror.ts

@@ -38,6 +38,7 @@ import { julia }           from '@codemirror/legacy-modes/mode/julia';
 import { k }               from 'codemirror-lang-k';
 import { lua }             from '@codemirror/legacy-modes/mode/lua';
 import { nim }             from 'nim-codemirror-mode';
+import { oCaml }           from '@codemirror/legacy-modes/mode/mllike';
 import { pascal }          from '@codemirror/legacy-modes/mode/pascal';
 import { perl }            from '@codemirror/legacy-modes/mode/perl';
 import { php }             from '@codemirror/lang-php';
@@ -131,6 +132,7 @@ export const extensions = {
     'lisp':       StreamLanguage.define(commonLisp),
     'lua':        StreamLanguage.define(lua),
     'nim':        StreamLanguage.define({ ...nim( {}, {} ), languageData: { commentTokens: { line: '#' } } }),
+    'ocaml':      StreamLanguage.define(oCaml),
     'pascal':     StreamLanguage.define(pascal),
     'perl':       StreamLanguage.define(perl),
     'php':        php({ plain: true }),

langs/ocaml/Dockerfile

@@ -0,0 +1,13 @@
+FROM alpine:3.17 as builder
+
+RUN apk add --no-cache ocaml=4.14.0-r0
+
+FROM codegolf/lang-base
+
+COPY --from=0 /usr/bin /usr/bin
+COPY --from=0 /usr/lib/ocaml /usr/lib/ocaml
+COPY --from=0 /lib/ld-musl-x86_64.so.1 /lib/
+
+ENTRYPOINT ["/usr/bin/ocaml"]
+
+CMD ["--version"]