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/*
! * Copyright (c) 1998, 2025, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
/*
! * Copyright (c) 1998, 2026, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
"<p>"
"The called method must be a non-native Java programming "
"language method. Forcing return on a thread with only one "
"frame on the stack causes the thread to exit when resumed. "
"<p>"
+ "When preview features are enabled, the method can not be the "
+ "constructor of a value class."
+ "<p>"
"For void methods, the value must be a void value. "
"For methods that return primitive values, the value's type must "
"match the return type exactly. For object values, there must be a "
"widening reference conversion from the value's type to the "
"return type type and the return type must be loaded. "
(Error INVALID_THREAD "The thread is null, not a valid thread, or "
"the thread is not alive.")
(Error INVALID_OBJECT "Thread or value is not a known ID.")
(Error THREAD_NOT_SUSPENDED)
(Error OPAQUE_FRAME "Unable to force the current frame to return "
! "(e.g. the current frame is executing a native method).")
(Error NO_MORE_FRAMES)
(Error NOT_IMPLEMENTED)
(Error TYPE_MISMATCH "Value is not an appropriate type for the "
"return value of the method.")
(Error VM_DEAD)
(Error INVALID_THREAD "The thread is null, not a valid thread, or "
"the thread is not alive.")
(Error INVALID_OBJECT "Thread or value is not a known ID.")
(Error THREAD_NOT_SUSPENDED)
(Error OPAQUE_FRAME "Unable to force the current frame to return "
! "(e.g. the current frame is executing a native method or "
+ "the current frame is the constructor for a value class).")
(Error NO_MORE_FRAMES)
(Error NOT_IMPLEMENTED)
(Error TYPE_MISMATCH "Value is not an appropriate type for the "
"return value of the method.")
(Error VM_DEAD)
(int depth "relative call stack limit. "
"See <a href=\"#JDWP_StepDepth\">JDWP.StepDepth</a>")
)
(Alt InstanceOnly=11
"Restricts reported events to those whose "
! "active 'this' object is the given object. "
"Match value is the null object for static methods. "
"This modifier can be used with any event kind "
"except class prepare, class unload, thread start, "
"and thread end. Introduced in JDWP version 1.4."
(int depth "relative call stack limit. "
"See <a href=\"#JDWP_StepDepth\">JDWP.StepDepth</a>")
)
(Alt InstanceOnly=11
"Restricts reported events to those whose "
! "active 'this' object is the given object "
+ "as determined by applying the Java == operator. "
"Match value is the null object for static methods. "
"This modifier can be used with any event kind "
"except class prepare, class unload, thread start, "
"and thread end. Introduced in JDWP version 1.4."
"Even if local variable information is not available, values can "
"be retrieved if the front-end is able to "
"determine the correct local variable index. (Typically, this "
"index can be determined for method arguments from the method "
"signature without access to the local variable table information.) "
+ "<p>"
+ "When preview features are enabled, if the local variable is the 'this' "
+ "object and represents a value object under construction, the value returned "
+ "will be for a snapshot of the value object, not a reference to the actual "
+ "value object under construction. Therefore the value returned will not reflect "
+ "changes to the value object that happen later on during construction."
+
(Out
(threadObject thread "The frame's thread. ")
(frame frame "The frame ID. ")
(Repeat slots "The number of values to get. "
(Group SlotInfo
)
(Command ThisObject=3
"Returns the value of the 'this' reference for this frame. "
"If the frame's method is static or native, the reply "
"will contain the null object reference. "
+ "<p>"
+ "When preview features are enabled and 'this' represents a value object
+ "under construction, the value returned will be for a snapshot of the "
+ "value object, not a reference to the actual value object under "
+ "construction. Therefore the value returned will not reflect "
+ "changes to the value object that happen later on during "
+ "construction."
(Out
(threadObject thread "The frame's thread. ")
(frame frame "The frame ID. ")
)
(Reply
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