Add support for the GNU Prolog native code backend

Author: pmoura

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ## [0.81.0]
 
+* Add support for the GNU Prolog native code backend
 * Fix the "logtalk.executable.arguments" setting being ignored on Windows when the "logtalk.executable.path" setting is set to the empty string (its default value)
 
 ## [0.80.0]

README.md

@@ -614,6 +614,7 @@ Example using the dictionary format for multiple backends (assuming a POSIX syst
     "logtalk.executable.arguments": {
         "cx": [ "-q" ],
         "gnu": [ "--quiet" ],
+        "gnunc": [ "--quiet" ],
         "sicstus": [ "--noinfo" ],
         "swi": [ "-q" ],
         "trealla": [ "-q" ],

media/settings.md

@@ -17,6 +17,7 @@ The Prolog backend you intend to use, specified using its identifier:
 * CxProlog: `cx`
 * ECLiPSe: `eclipse`
 * GNU Prolog: `gnu`
+* GNU Prolog (native code): `gnunc`
 * SICStus Prolog: `sicstus`
 * SWI-Prolog: `swi`
 * Tau Prolog: `tau`

package.json

@@ -1071,6 +1071,7 @@
                             "cx",
                             "eclipse",
                             "gnu",
+                            "gnunc",
                             "sicstus",
                             "swi",
                             "tau",

src/features/terminal.ts

@@ -358,6 +358,9 @@ export default class LogtalkTerminal {
           case "gnu":
             script = "gplgt"
             break;
+          case "gnunc":
+            script = "gplgtnc"
+            break;
           case "ji":
             script = "jiplgt"
             break;
@@ -385,13 +388,15 @@ export default class LogtalkTerminal {
           default:
             vscode.window.showErrorMessage("Configuration error: unknown logtalk.backend setting value!");
         }
-        if (process.platform === 'win32') {
+        if (logtalkBackend === "gnunc") {
+          executable = script;
+        } else if (process.platform === 'win32') {
           executable = LogtalkTerminal.expandEnvironmentVariables("${env:ProgramFiles}/PowerShell/7/pwsh.exe");
           args = ["-file", LogtalkTerminal.expandEnvironmentVariables("${env:SystemRoot}/" + script + ".ps1")].concat(args);
         } else {
           executable = path.join(logtalkHome, path.join("integration", script + ".sh"));
           executable = path.resolve(executable).split(path.sep).join("/");
-         }
+        }
       }
 
       LogtalkTerminal._terminal = (<any>window).createTerminal({

src/utils/utils.ts

@@ -110,6 +110,9 @@ export class Utils {
         case "gnu":
           Utils.script = "gplgt"
           break;
+        case "gnunc":
+          Utils.script = "gplgtnc"
+          break;
         case "ji":
           Utils.script = "jiplgt"
           break;
@@ -137,13 +140,15 @@ export class Utils {
         default:
           vscode.window.showErrorMessage("Configuration error: unknown logtalk.backend setting value!");
       }
-      if (process.platform === 'win32') {
+      if (Utils.backend === "gnunc") {
+          Utils.RUNTIMEPATH = Utils.script;
+      } else if (process.platform === 'win32') {
         Utils.RUNTIMEPATH = path.join(process.env.PROGRAMFILES, "/PowerShell/7/pwsh.exe");
         Utils.RUNTIMEARGS = ["-file", path.join(process.env.SystemRoot, Utils.script + ".ps1")].concat(Utils.RUNTIMEARGS);
       } else {
         Utils.RUNTIMEPATH = path.join(Utils.logtalkHome, path.join("integration", Utils.script + ".sh"));
         Utils.RUNTIMEPATH = path.resolve(Utils.RUNTIMEPATH).split(path.sep).join("/");
-       }
+      }
     }
 
     Utils.logger.debug(`Runtime configuration updated: RUNTIMEPATH=${Utils.RUNTIMEPATH}, RUNTIMEARGS=${JSON.stringify(Utils.RUNTIMEARGS)}`);