Add @log (#50)

intellij-plugin/src/main/resources/META-INF/plugin.xml

 <idea-plugin>
     <id>Scala-Macro-Tools Plugin</id>
     <name>Scala-Macro-Tools</name>
-    <version>0.1.0</version>
+    <version>0.1.2</version>
     <vendor>Scala Macro Tools</vendor>
-    <idea-version since-build="201.0"/>
+    <idea-version since-build="203.0"/>
+
     <depends>com.intellij.modules.platform</depends>
     <depends>com.intellij.modules.lang</depends>
     <depends>com.intellij.modules.java</depends>
@@ -18,6 +19,9 @@
         <a href="https://github.com/jxnu-liguobin/scala-macro-tools/issues">Issues</a>
         <br/>
         <br/>
+        <b>A plugin that implements Lombok-like functionality with Scala macros</b>
+        <br/>
+        <br/>
         <b>Features</b>
         <ul>
           <li>@toString</li>

intellij-plugin/src/main/scala/io/github/dreamylost/plugin/processor/clazz/LogProcessor.scala

 package io.github.dreamylost.plugin.processor.clazz
 
+import io.github.dreamylost.plugin.ScalaMacroNames
 import io.github.dreamylost.plugin.processor.{ AbsProcessor, ProcessType }
 import io.github.dreamylost.plugin.processor.ProcessType.ProcessType
-import org.jetbrains.plugins.scala.lang.psi.api.toplevel.typedef.{ ScClass, ScTypeDefinition }
+import org.jetbrains.plugins.scala.lang.psi.api.toplevel.typedef.{ ScClass, ScObject, ScTypeDefinition }
 
 /**
  * Desc: Processor for annotation toString
@@ -13,13 +14,26 @@ import org.jetbrains.plugins.scala.lang.psi.api.toplevel.typedef.{ ScClass, ScTy
  */
 class LogProcessor extends AbsProcessor {
 
+  // annotation: log type name
+  private val logTypeName = "logType"
+
+  // default log expr
+  private def logExpr(log: String = "java.util.logging.Logger") = s"private final val log: $log = ???"
+
   override def process(source: ScTypeDefinition, typ: ProcessType): Seq[String] = {
     typ match {
       case ProcessType.Field =>
         source match {
-          case _: ScClass =>
-            // TODO: support others log type
-            Seq(s"private final val log: org.slf4j.Logger = ???")
+          case clazz @ (_: ScClass | _: ScObject) =>
+            val an = clazz.annotations(ScalaMacroNames.LOG).last
+            an.annotationExpr.getAttributes.findLast(_.name == logTypeName) match {
+              case Some(kv) if kv.getChildren.exists(_.getText.equalsIgnoreCase("Slf4j")) =>
+                Seq(logExpr("org.slf4j.Logger"))
+              case Some(kv) if kv.getChildren.exists(_.getText.equalsIgnoreCase("Log4j2")) =>
+                Seq(logExpr("org.apache.logging.log4j.Logger"))
+              case _ =>
+                Seq(logExpr())
+            }
           case _ => Nil
         }
       case _ => Nil

src/test/scala/io/github/dreamylost/LogTest.scala

@@ -154,4 +154,15 @@ class LogTest extends AnyFlatSpec with Matchers {
       |""".stripMargin should compile
   }
 
+  "log for plugin test" should "compile ok" in {
+    @log class TestLog1() {
+      log.info("")
+    }
+    @log object TestLog1 {
+      log.info("")
+    }
+    @log(logType = io.github.dreamylost.LogType.Slf4j) class TestLog2() {
+      log.info("")
+    }
+  }
 }