feat: adds `replFrege` taskf-repl-task

1 files changed, 54 insertions, 0 deletions

diff --git a/src/main/java/ch/fhnw/thga/gradleplugins/ReplFregeTask.java b/src/main/java/ch/fhnw/thga/gradleplugins/ReplFregeTask.java
new file mode 100644
index 0000000..9ee14df
--- /dev/null
+++ b/src/main/java/ch/fhnw/thga/gradleplugins/ReplFregeTask.java
@@ -0,0 +1,54 @@
+package ch.fhnw.thga.gradleplugins;
+
+import javax.inject.Inject;
+
+import org.gradle.api.DefaultTask;
+import org.gradle.api.file.DirectoryProperty;
+import org.gradle.api.file.FileCollection;
+import org.gradle.api.file.RegularFileProperty;
+import org.gradle.api.logging.Logger;
+import org.gradle.api.logging.Logging;
+import org.gradle.api.model.ObjectFactory;
+import org.gradle.api.provider.Property;
+import org.gradle.api.provider.Provider;
+import org.gradle.api.tasks.Input;
+import org.gradle.api.tasks.InputDirectory;
+import org.gradle.api.tasks.InputFile;
+import org.gradle.api.tasks.Internal;
+import org.gradle.api.tasks.JavaExec;
+import org.gradle.api.tasks.TaskAction;
+
+public abstract class ReplFregeTask extends DefaultTask {
+    public static final Logger LOGGER = Logging.getLogger(SetupFregeTask.class);
+    public static final String REPL_MAIN_CLASS = "frege.repl.FregeRepl";
+
+    private final JavaExec javaExec;
+
+    @InputFile
+    public abstract RegularFileProperty getFregeCompilerJar();
+
+    @InputDirectory
+    public abstract DirectoryProperty getFregeOutputDir();
+
+    @Input
+    public abstract Property<String> getFregeDependencies();
+
+    @Internal
+    public final Provider<FileCollection> getClasspath() {
+        return getFregeDependencies().map(depsClasspath -> {
+            return depsClasspath.isEmpty() ? getProject().files(getFregeCompilerJar(), getFregeOutputDir())
+                    : getProject().files(getFregeCompilerJar(), getFregeOutputDir(), depsClasspath);
+        });
+    }
+
+    @Inject
+    public ReplFregeTask(ObjectFactory objectFactory) {
+        javaExec = objectFactory.newInstance(JavaExec.class);
+    }
+
+    @TaskAction
+    public void startFregeRepl() {
+        javaExec.getMainClass().set(REPL_MAIN_CLASS);
+        javaExec.setClasspath(getClasspath().get()).exec();
+    }
+}