1 files changed, 55 insertions, 0 deletions
diff --git a/javalanglib/src/main/scala/java/lang/StackTraceElement.scala b/javalanglib/src/main/scala/java/lang/StackTraceElement.scala
new file mode 100644
index 0000000..cc87aec
--- /dev/null
+++ b/javalanglib/src/main/scala/java/lang/StackTraceElement.scala
@@ -0,0 +1,55 @@
+package java.lang
+
+import scala.scalajs.js
+
+final class StackTraceElement(declaringClass: String, methodName: String,
+    fileName: String, lineNumber: Int) extends AnyRef with java.io.Serializable {
+
+  def getFileName(): String = fileName
+  def getLineNumber(): Int = lineNumber
+  def getClassName(): String = declaringClass
+  def getMethodName(): String = methodName
+  def isNativeMethod(): scala.Boolean = false
+
+  override def equals(that: Any): scala.Boolean = that match {
+    case that: StackTraceElement =>
+      (getFileName == that.getFileName) &&
+      (getLineNumber == that.getLineNumber) &&
+      (getClassName == that.getClassName) &&
+      (getMethodName == that.getMethodName)
+    case _ =>
+      false
+  }
+
+  override def toString(): String = {
+    var result = ""
+    if (declaringClass != "<jscode>")
+      result += declaringClass + "."
+    result += methodName
+    if (fileName eq null) {
+      if (isNativeMethod)
+        result += "(Native Method)"
+      else
+        result += "(Unknown Source)"
+    } else {
+      result += s"($fileName"
+      if (lineNumber >= 0) {
+        result += s":$lineNumber"
+        if (columnNumber >= 0)
+          result += s":$columnNumber"
+      }
+      result += ")"
+    }
+    result
+  }
+
+  override def hashCode(): Int = {
+    declaringClass.hashCode() ^ methodName.hashCode()
+  }
+
+  private def columnNumber: Int = {
+    val rawNum = this.asInstanceOf[js.Dynamic].columnNumber
+    if (!(!rawNum)) rawNum.asInstanceOf[Int]
+    else -1
+  }
+}