Add support for OCaml

Author: pbui

Dockerfile.code

@@ -8,8 +8,8 @@ RUN	    apt update -y
 # Run-time dependencies
 RUN	    apt install -y python3-tornado python3-requests python3-yaml curl ca-certificates gnupg
 
-# Language Support: C, C++, Python3, Bash, Ruby, Java, golang, Guile, Haskell, Common Lisp, C#
-RUN	    apt install -y gcc g++ python3 bash ruby default-jdk-headless golang guile-2.2 ghc sbcl mono-complete
+# Language Support: C, C++, Python3, Bash, Ruby, Java, golang, Guile, Haskell, Common Lisp, C#, OCaml
+RUN	    apt install -y gcc g++ python3 bash ruby default-jdk-headless golang guile-2.2 ghc sbcl mono-complete ocaml
 
 # Language Support: rust
 RUN	    curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain stable -y && mv /root/.cargo/bin/* /usr/local/bin/

dredd/handler.py

@@ -48,11 +48,12 @@ def get(self, path):
     - Golang 1.18
     - Bash 5.1
     - Guile 2.2
-    - Rust 1.69
+    - Rust 1.72
     - GHC 8.8.4
     - SBCL 2.1.11
     - Mono 6.8.0.105
     - Swift 5.8
+    - OCaml 4.13.1
 ''')
 
 # Code Handler ----------------------------------------------------------------

scripts/run.py

@@ -122,6 +122,11 @@ def usage(exit_code=0):
         './{executable}',
         ('.swift',)
     ),
+    Language('OCaml',
+        'ocamlc -o {executable} {source}',
+        './{executable}',
+        ('.ml',)
+    ),
 )
 
 def get_language_from_source(source, language_name=None):

scripts/sandbox.sh

@@ -20,6 +20,7 @@ IMAGE=pbui/dredd-code:20211126
 IMAGE=pbui/dredd-code:20220812
 IMAGE=pbui/dredd-code:20220910
 IMAGE=pbui/dredd-code:20230522
+IMAGE=pbui/dredd-code:20230827
 
 if [ ! -d "$SANDBOX_PATH" ]; then
     mkdir -p "$SANDBOX_PATH"

tests/test_code_echo.sh

@@ -261,6 +261,25 @@ echo -n "Testing Swift ... "
 curl -F source=@$SOURCE localhost:9206/code/test-echo
 rm -f $SOURCE
 
+# OCaml
+SOURCE=$(mktemp -t dredd_XXXXXXX.ml)
+cat > $SOURCE <<EOF
+let rec read_lines () =
+  try
+    let line = input_line stdin in
+    print_endline line;
+    read_lines ()
+  with
+  | End_of_file -> ()
+
+let () =
+  read_lines ()
+EOF
+echo
+echo -n "Testing OCaml ... "
+curl -F source=@$SOURCE localhost:9206/code/test-echo
+rm -f $SOURCE
+
 # # Brainfuck
 #
 # SOURCE=$(mktemp -t dredd_XXXXXXX.bf)