Added Pascal

runtimes/default.nix

@@ -57,4 +57,5 @@ args: {
     "dotnet-sdk-fsharp" = import ./dotnet-sdk-fsharp.nix args;
     "dotnet-sdk-fsharp-interactive" = import ./dotnet-sdk-fsharp-interactive.nix args;
     "dotnet-sdk-visual-basic" = import ./dotnet-sdk-visual-basic.nix args;
+    "fpc-pascal" = import ./fpc-pascal.nix args;
 }

runtimes/fpc-pascal.nix

@@ -0,0 +1,44 @@
+{pkgs, piston, ...}:
+let
+    binutilsPkg = pkgs.binutils;
+    pkg = pkgs.fpc;
+in piston.mkRuntime {
+    language = "pascal";
+    version = pkg.version;
+
+    runtime = "fpc";
+
+    aliases = [
+        "freepascal"
+        "pp"
+        "pas"
+    ];
+
+    compile = ''
+        export PATH="${binutilsPkg}/bin:$PATH"
+        ${pkg}/bin/fpc -oout -v0 "$@"
+        chmod +x out
+    '';
+
+    run = ''
+        shift
+        ./out "$@"
+    '';
+
+    tests = [
+        (piston.mkTest {
+            files = {
+                "test.pp" = ''
+                    program test;
+                    begin
+                        writeln(paramStr(1));
+                    end.
+                '';
+            };
+            args = ["OK"];
+            stdin = "";
+            packages = [];
+            main = "test.pp";
+        })
+    ];
+}