server.stack_trace tag

DenizenScript · Oct 23, 2021 · 0b0d28a · 0b0d28a
1 parent 62ab097
commit 0b0d28a
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Showing 2 changed files with 21 additions and 5 deletions.
diff --git a/plugin/src/main/java/com/denizenscript/denizen/tags/core/ServerTagBase.java b/plugin/src/main/java/com/denizenscript/denizen/tags/core/ServerTagBase.java
@@ -2291,6 +2291,20 @@ else if (attribute.startsWith("generate_loot_table") && attribute.hasContext(1))
             }
             event.setReplacedObject(result.getObjectAttribute(attribute.fulfill(1)));
         }
+
+        // <--[tag]
+        // @attribute <server.stack_trace>
+        // @returns ElementTag
+        // @description
+        // Generates and shows a stack trace for the current context.
+        // This tag is strictly for internal debugging reasons.
+        // WARNING: Different Java versions generate different stack trace formats and details.
+        // WARNING: Java internally limits stack trace generation in a variety of ways. This tag cannot be relied on to output anything.
+        // -->
+        else if (attribute.startsWith("stack_trace")) {
+            String trace = com.denizenscript.denizen.utilities.debugging.Debug.getFullExceptionMessage(new RuntimeException("TRACE"), false);
+            event.setReplacedObject(new ElementTag(trace).getObjectAttribute(attribute.fulfill(1)));
+        }
     }
 
     public static void listDeprecateWarn(Attribute attribute) {

diff --git a/plugin/src/main/java/com/denizenscript/denizen/utilities/debugging/Debug.java b/plugin/src/main/java/com/denizenscript/denizen/utilities/debugging/Debug.java
@@ -264,7 +264,7 @@ public static void echoError(ScriptQueue source, Throwable ex) {
         if (source == null) {
             source = CommandExecutor.currentQueue;
         }
-        String errorMessage = getFullExceptionMessage(ex);
+        String errorMessage = getFullExceptionMessage(ex, true);
         if (throwErrorEvent) {
             throwErrorEvent = false;
             Throwable thrown = ex;
@@ -293,10 +293,12 @@ public static void echoError(ScriptQueue source, Throwable ex) {
         throwErrorEvent = wasThrown;
     }
 
-    public static String getFullExceptionMessage(Throwable ex) {
+    public static String getFullExceptionMessage(Throwable ex, boolean includeBounding) {
         StringBuilder errorMessage = new StringBuilder();
-        errorMessage.append("Internal exception was thrown!\n");
-        String prefix = ChatColor.GRAY + "[Error Continued] " + ChatColor.WHITE;
+        if (includeBounding) {
+            errorMessage.append("Internal exception was thrown!\n");
+        }
+        String prefix = includeBounding ? ChatColor.GRAY + "[Error Continued] " + ChatColor.WHITE : "";
         boolean first = true;
         while (ex != null) {
             errorMessage.append(prefix);
@@ -305,7 +307,7 @@ public static String getFullExceptionMessage(Throwable ex) {
             }
             errorMessage.append(ex.toString()).append("\n");
             for (StackTraceElement ste : ex.getStackTrace()) {
-                errorMessage.append(prefix).append(ste.toString()).append("\n");
+                errorMessage.append(prefix).append("  ").append(ste.toString()).append("\n");
             }
             if (ex.getCause() == ex) {
                 break;