minimal implementation of lfd

bin/lfd

@@ -0,0 +1 @@
+../util/scripts/launch.sh

bin/lfd.ps1

@@ -0,0 +1,9 @@
+#==========================================================
+# Description: 	    Run the lff compiler.
+# Authors:          Ruomu Xu
+# Usage:            Usage: lff [options] files...
+#==========================================================
+
+$launchScript="$PSScriptRoot\..\util\scripts\launch.ps1"
+# PS requires spattling: https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.core/about/about_Splatting?view=powershell-7.2
+. $launchScript @args

buildSrc/src/main/groovy/org.lflang.java-conventions.gradle

@@ -17,3 +17,24 @@ spotless {
         formatAnnotations()
     }
 }
+
+configurations.all {
+    resolutionStrategy {
+        dependencySubstitution {
+            // The maven property ${osgi.platform} is not handled by Gradle
+            // so we replace the dependency, using the osgi platform from the project settings
+            //def swtVersion = "3.123.0"
+            def swtVersion = '3.124.0'
+            def os = System.getProperty("os.name").toLowerCase()
+            if (os.contains("windows")) {
+                substitute module('org.eclipse.platform:org.eclipse.swt.${osgi.platform}') using module("org.eclipse.platform:org.eclipse.swt.win32.win32.x86_64:${swtVersion}")
+            }
+            else if (os.contains("linux")) {
+                substitute module('org.eclipse.platform:org.eclipse.swt.${osgi.platform}') using module("org.eclipse.platform:org.eclipse.swt.gtk.linux.x86_64:${swtVersion}")
+            }
+            else if (os.contains("mac")) {
+                substitute module('org.eclipse.platform:org.eclipse.swt.${osgi.platform}') using module("org.eclipse.platform:org.eclipse.swt.cocoa.macosx.x86_64:${swtVersion}")
+            }
+        }
+    }
+}

cli/lfd/build.gradle

@@ -0,0 +1,35 @@
+plugins {
+    id 'org.lflang.java-application-conventions'
+    id 'com.github.johnrengelman.shadow'
+}
+
+dependencies {
+    implementation project(':cli:base')
+    implementation ("de.cau.cs.kieler.klighd:de.cau.cs.kieler.klighd.standalone:$klighdVersion") {
+        exclude group: 'de.cau.cs.kieler.swt.mock'
+    }
+    implementation ("de.cau.cs.kieler.klighd:de.cau.cs.kieler.klighd.piccolo:${klighdVersion}") {
+        exclude group: 'de.cau.cs.kieler.swt.mock'
+    }
+    implementation ("de.cau.cs.kieler.klighd:de.cau.cs.kieler.klighd.piccolo.freehep:${klighdVersion}") {
+        exclude group: 'de.cau.cs.kieler.swt.mock'
+    }
+    implementation ("org.freehep:freehep-graphicsio-svg:${freehepVersion}")
+}
+
+application {
+    mainClass = 'org.lflang.cli.Lfd'
+    tasks.run.workingDir = System.getProperty("user.dir")
+}
+
+test {
+    useJUnitPlatform()
+    testLogging {
+        events "passed", "skipped", "failed"
+        showStandardStreams = true
+    }
+}
+
+shadowJar {
+    mergeServiceFiles()
+}

cli/lfd/src/main/java/org/lflang/cli/Lfd.java

@@ -0,0 +1,58 @@
+package org.lflang.cli;
+
+import de.cau.cs.kieler.klighd.LightDiagramServices;
+import de.cau.cs.kieler.klighd.standalone.KlighdStandaloneSetup;
+import java.nio.file.Path;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.emf.ecore.resource.Resource;
+import org.lflang.lf.Model;
+import org.lflang.util.FileUtil;
+import picocli.CommandLine.Command;
+
+/**
+ * Command lin tool for generating diagrams from Lingua Franca programs.
+ *
+ * @author Christian Menard
+ */
+@Command(
+    name = "lfd",
+    // Enable usageHelp (--help) and versionHelp (--version) options.
+    mixinStandardHelpOptions = true,
+    versionProvider = VersionProvider.class)
+public class Lfd extends CliBase {
+
+  @Override
+  public void doRun() {
+    KlighdStandaloneSetup.initialize();
+
+    for (Path relativePath : getInputPaths()) {
+      Path path = toAbsolutePath(relativePath);
+      final Resource resource = getResource(path);
+      final Model model = (Model) resource.getContents().get(0);
+      String baseName = FileUtil.nameWithoutExtension(relativePath);
+      IStatus status = LightDiagramServices.renderOffScreen(model, "svg", baseName + ".svg");
+      if (!status.isOK()) {
+        reporter.printFatalErrorAndExit(status.getMessage());
+      }
+    }
+  }
+
+  /**
+   * Main entry point of the diagram tool.
+   *
+   * @param args CLI arguments
+   */
+  public static void main(String[] args) {
+    main(Io.SYSTEM, args);
+  }
+
+  /**
+   * Programmatic entry point, with a custom IO.
+   *
+   * @param io IO streams.
+   * @param args Command-line arguments.
+   */
+  public static void main(Io io, final String... args) {
+    cliMain("lfd", Lfd.class, io, args);
+  }
+}

gradle.properties

@@ -16,6 +16,8 @@ picocliVersion=4.7.0
 resourcesVersion=3.16.0
 xtextVersion=2.28.0
 klighdVersion=2.3.0.v20230606
+freehepVersion=2.4
+swtVersion=3.124.0
 
 [manifestPropertyNames]
 org.eclipse.xtext=xtextVersion

settings.gradle

@@ -1,2 +1,2 @@
 rootProject.name = 'org.lflang'
-include('core', 'lsp', 'cli:base', 'cli:lfc', 'cli:lff')
+include('core', 'lsp', 'cli:base', 'cli:lfc', 'cli:lff', 'cli:lfd')

util/scripts/launch.ps1

@@ -10,7 +10,7 @@
 $invokerPath = $MyInvocation.PSCommandPath
 $invokerName = [System.IO.Path]::GetFileNameWithoutExtension("$(Split-Path -Path $invokerPath -Leaf -Resolve)")
 
-$mainClassTable = @{"lfc" = "org.lflang.cli.Lfc"; "lff" = "org.lflang.cli.Lff"}
+$mainClassTable = @{"lfc" = "org.lflang.cli.Lfc"; "lff" = "org.lflang.cli.Lff"; "lfd" = "org.lflang.cli.Lfd}
 $tool = $null
 foreach ($k in $mainClassTable.Keys) {
     if ($invokerName.EndsWith($k)) {

util/scripts/launch.sh

@@ -57,8 +57,10 @@ if [[ "$0" == *lfc ]]; then
   tool="lfc"
 elif [[ "$0" == *lff ]]; then
   tool="lff"
+elif [[ "$0" == *lfd ]]; then
+    tool="lfd"
 else
-  known_commands="[lfc, lff]"
+  known_commands="[lfc, lff, lfd]"
   echo \
   "ERROR: $0 is not a known lf command! Known commands are ${known_commands}.
        In case you use a symbolic or hard link to one of the Lingua Franca