5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package jdk.vm.ci.code.stack;
24
25 import jdk.vm.ci.meta.*;
26
27 public interface StackIntrospection {
28
29 /**
30 * Accesses the current stack, providing {@link InspectedFrame}s to the visitor that can be used
31 * to inspect the stack frames' contents. Iteration continues as long as
32 * {@link InspectedFrameVisitor#visitFrame}, which is invoked for every {@link InspectedFrame},
33 * returns null. Any non-null result of the visitor indicates that frame iteration should stop.
34 *
35 * @param initialMethods if this is non-{@code null}, then the stack trace will start at these
36 * methods
37 * @param matchingMethods if this is non-{@code null}, then only matching stack frames are
38 * returned
39 * @param initialSkip the number of matching methods to skip (including the initial method)
40 * @param visitor the visitor that is called for every matching method
41 * @return the last result returned by the visitor (which is non-null to indicate that iteration
42 * should stop), or null if the whole stack was iterated.
43 */
44 <T> T iterateFrames(ResolvedJavaMethod[] initialMethods, ResolvedJavaMethod[] matchingMethods, int initialSkip, InspectedFrameVisitor<T> visitor);
45 }
|
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package jdk.vm.ci.code.stack;
24
25 import jdk.vm.ci.meta.ResolvedJavaMethod;
26
27 public interface StackIntrospection {
28
29 /**
30 * Accesses the current stack, providing {@link InspectedFrame}s to the visitor that can be used
31 * to inspect the stack frames' contents. Iteration continues as long as
32 * {@link InspectedFrameVisitor#visitFrame}, which is invoked for every {@link InspectedFrame},
33 * returns null. Any non-null result of the visitor indicates that frame iteration should stop.
34 *
35 * @param initialMethods if this is non-{@code null}, then the stack trace will start at these
36 * methods
37 * @param matchingMethods if this is non-{@code null}, then only matching stack frames are
38 * returned
39 * @param initialSkip the number of matching methods to skip (including the initial method)
40 * @param visitor the visitor that is called for every matching method
41 * @return the last result returned by the visitor (which is non-null to indicate that iteration
42 * should stop), or null if the whole stack was iterated.
43 */
44 <T> T iterateFrames(ResolvedJavaMethod[] initialMethods, ResolvedJavaMethod[] matchingMethods, int initialSkip, InspectedFrameVisitor<T> visitor);
45 }
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