8333725: Compiler Prototyping for Deconstructors #94

biboudis · 2024-05-13T14:10:31Z

Work-in-progress prototyping of deconstructors.

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JDK-8333725: Compiler Prototyping for Deconstructors (Enhancement - P4)

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bridgekeeper · 2024-05-13T14:11:17Z

👋 Welcome back abimpoudis! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

openjdk · 2024-05-13T14:11:29Z

❗ This change is not yet ready to be integrated.
See the Progress checklist in the description for automated requirements.

openjdk · 2024-05-13T14:12:11Z

@biboudis this pull request can not be integrated into master due to one or more merge conflicts. To resolve these merge conflicts and update this pull request you can run the following commands in the local repository for your personal fork:

git checkout matchers-experiment
git fetch https://git.openjdk.org/amber.git master
git merge FETCH_HEAD
# resolve conflicts and follow the instructions given by git merge
git commit -m "Merge master"
git push

openjdk · 2024-05-13T14:23:28Z

⚠️ @biboudis This pull request contains merges that bring in commits not present in the target repository. Since this is not a "merge style" pull request, these changes will be squashed when this pull request in integrated. If this is your intention, then please ignore this message. If you want to preserve the commit structure, you must change the title of this pull request to Merge <project>:<branch> where <project> is the name of another project in the OpenJDK organization (for example Merge jdk:master).

vicente-romero-oracle · 2024-06-01T00:18:38Z

src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Attr.java

@@ -4286,6 +4366,70 @@ public void visitRecordPattern(JCRecordPattern tree) {
        matchBindings = new MatchBindings(outBindings.toList(), List.nil());
    }

+    // todo: follow the protocol in Resolve::selectBest


this method I think belongs in Resolve

vicente-romero-oracle · 2024-06-01T00:23:48Z

src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Lower.java

@@ -2779,6 +2779,32 @@ public void visitMethodDef(JCMethodDecl tree) {
                syms.methodClass);
        }

+        if (tree.sym.isPattern()) {
+            tree.sym.flags_field  |= STATIC;
+            tree.sym.flags_field  |= SYNTHETIC;


we are making synthetic an AST that actually appears in the source?

src/jdk.compiler/share/classes/com/sun/tools/javac/parser/JavacParser.java

test/test/Point.class

vicente-romero-oracle · 2024-06-04T15:20:30Z

src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Attr.java

+                expectedRecordTypes = record.getRecordComponents()
+                                            .stream()
+                                            .map(rc -> types.memberType(site, rc))
+                                            .map(t -> types.upward(t, types.captures(t)).baseType())


not sure why the upward projection is used here

src/java.base/share/classes/java/lang/Class.java

vicente-romero-oracle · 2024-06-06T19:27:23Z

src/java.base/share/classes/java/lang/Class.java

+     * @throws SecurityException
+     *         If a security manager, <i>s</i>, is present and
+     *         the caller's class loader is not the same as or an
+     *         ancestor of the class loader for the current class and


typo and -> an

src/java.base/share/classes/java/lang/Class.java

src/jdk.compiler/share/classes/com/sun/tools/javac/code/Symbol.java

src/jdk.compiler/share/classes/com/sun/tools/javac/comp/MemberEnter.java

src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/ClassReader.java

vicente-romero-oracle · 2024-06-06T21:02:11Z

src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/Items.java

@@ -455,7 +455,7 @@ void store() {
        }

        Item invoke() {
-            MethodType mtype = (MethodType)member.erasure(types);
+            MethodType mtype = (MethodType)member.externalType(types);


not sure about this change

The thing is that when the time comes to Generate a var def. For example /*synthetic*/ final Object patt4$temp = ExampleStringTest$StringOps$Split.Split($b$0), the result needs to be stack(object) instead of void for the deconstructor call. The method type of split needs to be (ExampleStringTest.StringOps.Split)java.lang.Object. How can I change that earlier?

vicente-romero-oracle · 2024-06-06T21:04:11Z

src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/PoolWriter.java

@@ -201,7 +202,7 @@ int putName(Name name) {
     * Puts a name and type pair into the pool and returns its index.
     */
    int putNameAndType(Symbol s) {
-        return pool.writeIfNeeded(new NameAndType(s.name, descriptorType(s)));
+        return pool.writeIfNeeded(new NameAndType(s instanceof MethodSymbol ms ? ms.externalName(types) : s.name, descriptorType(s)));


same not sure why you need this change

Co-authored-by: Angelos Bimpoudis <[email protected]> Co-authored-by: Jan Lahoda <[email protected]> Co-authored-by: Vicente Romero <[email protected]>

…o matchers-experiment # Conflicts: # src/java.base/share/classes/java/lang/Class.java

…licitly specified

…o matchers-experiment # Conflicts: # src/java.base/share/classes/jdk/internal/classfile/impl/BoundAttribute.java # src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Lower.java # src/jdk.compiler/share/classes/com/sun/tools/javac/comp/TransPatterns.java # test/jdk/jdk/classfile/StackMapsTest.java

bridgekeeper · 2024-08-13T13:32:36Z

@biboudis This pull request has been inactive for more than 8 weeks and will be automatically closed if another 8 weeks passes without any activity. To avoid this, simply add a new comment to the pull request. Feel free to ask for assistance if you need help with progressing this pull request towards integration!

biboudis · 2024-08-13T13:34:53Z

Keep it, keep it, keep it.

* A crude sketch of unreflect for deconstructors. * Reuse the same mangling everywhere. * Cleanup.

Co-authored-by: Viktor Klang <[email protected]>

* Switching to Carriers.boxedComponentValueArray * Fixing UnreflectPattern

* Introduce Deconstructor <: MemberPattern <: Executable * Fix MemberPattern.setAccessible * Retain signature of unreflectDeconstructor

bridgekeeper · 2024-10-08T19:41:45Z

@biboudis This pull request has been inactive for more than 8 weeks and will be automatically closed if another 8 weeks passes without any activity. To avoid this, simply add a new comment to the pull request. Feel free to ask for assistance if you need help with progressing this pull request towards integration!

Rick-24 · 2024-10-08T19:42:32Z

Hi @Rick-24, thanks for making a comment in an OpenJDK project! All comments and discussions in the OpenJDK Community must be made available under the OpenJDK [Terms of Use](https://openjdk.java.net/legal/tou/). If you already are an OpenJDK [Author](https://openjdk.java.net/bylaws#author), [Committer](https://openjdk.java.net/bylaws#committer) or [Reviewer](https://openjdk.java.net/bylaws#reviewer), please click [here](https://bugs.openjdk.java.net/secure/CreateIssue.jspa?pid=11300&issuetype=1) to open a new issue so that we can record that fact. Please Use "Add GitHub user Rick-24" for the summary. If you are not an OpenJDK Author, Committer or Reviewer, simply check the box below to accept the OpenJDK Terms of Use for your comments.  - [ ] I agree to the [OpenJDK Terms of Use](https://openjdk.java.net/legal/tou/) for all comments I make in a project in the [OpenJDK GitHub organization](https://github.com/openjdk).  Your comment will be automatically restored once you have accepted the OpenJDK [Terms of Use](https://openjdk.java.net/legal/tou/).

biboudis · 2024-10-09T09:04:24Z

Definitely keep it open :D

openjdk bot added the merge-conflict The pull request has a merge conflict with the target branch label May 13, 2024

biboudis marked this pull request as draft May 13, 2024 14:20

openjdk bot removed the merge-conflict The pull request has a merge conflict with the target branch label May 13, 2024

biboudis force-pushed the matchers-experiment branch from d635684 to ccc44d4 Compare May 27, 2024 11:24

vicente-romero-oracle reviewed Jun 1, 2024

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src/jdk.compiler/share/classes/com/sun/tools/javac/parser/JavacParser.java Outdated Show resolved Hide resolved

vicente-romero-oracle reviewed Jun 1, 2024

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test/test/Point.class Outdated Show resolved Hide resolved

openjdk bot added the merge-conflict The pull request has a merge conflict with the target branch label Jun 3, 2024

vicente-romero-oracle reviewed Jun 4, 2024

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openjdk bot removed the merge-conflict The pull request has a merge conflict with the target branch label Jun 6, 2024

biboudis force-pushed the matchers-experiment branch from 6138923 to 5246297 Compare June 6, 2024 13:46

biboudis changed the title ~~Pattern Declarations~~ Compiler Prototyping for Deconstructors Jun 6, 2024

biboudis changed the title ~~Compiler Prototyping for Deconstructors~~ 8333725: Compiler Prototyping for Deconstructors Jun 6, 2024

biboudis force-pushed the matchers-experiment branch 2 times, most recently from bf45138 to 250d702 Compare June 6, 2024 14:12

vicente-romero-oracle reviewed Jun 6, 2024

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biboudis force-pushed the matchers-experiment branch from 250d702 to a19eff9 Compare June 6, 2024 21:13

8333725: Compiler Prototyping for Deconstructors

4c7b0ba

Co-authored-by: Angelos Bimpoudis <[email protected]> Co-authored-by: Jan Lahoda <[email protected]> Co-authored-by: Vicente Romero <[email protected]>

biboudis force-pushed the matchers-experiment branch from a19eff9 to 4c7b0ba Compare June 7, 2024 07:42

Fix translation of dtors with primitives and array types

61327bf

openjdk bot added the merge-conflict The pull request has a merge conflict with the target branch label Jun 17, 2024

Merge remote-tracking branch 'refs/remotes/upstream-amber/master' int…

80a3f46

…o matchers-experiment # Conflicts: # src/java.base/share/classes/java/lang/Class.java

openjdk bot removed the merge-conflict The pull request has a merge conflict with the target branch label Jun 17, 2024

biboudis added 2 commits June 17, 2024 16:14

Restore JTreg flag

875eb34

Address review 1/n

0eab5db

biboudis added 8 commits July 2, 2024 17:21

Fix private

ad8bf16

Fix tests after depending on java.base/sun.invoke.util

c584729

Add test for NestedPatternDeclarations

f6d33bb

Records have an implicit deconstructor declaration that cannot be exp…

5f35991

…licitly specified

Adjust mangling

4804806

Adjusts pattern overloading

172d46a

Align overloading of patterns in classes with record classes

987a35a

openjdk bot removed the merge-conflict The pull request has a merge conflict with the target branch label Jul 19, 2024

biboudis added 2 commits July 19, 2024 17:32

Clean-up whitespaces

b62b5c7

Support running in non--parameters-mode

16a7f99

openjdk bot added the merge-conflict The pull request has a merge conflict with the target branch label Aug 8, 2024

lahodaj and others added 4 commits August 9, 2024 10:51

Making annotation processing work with patterns. (#6)

4780fa5

Fix annotation processing with matchers

6ab9242

Fix annotation processing with matchers (2)

7163f37

Update Indify

ade7e12

biboudis and others added 8 commits August 30, 2024 15:26

Fix exhaustiveness bug

84d94ff

A crude sketch for Lookup.unreflectDeconstructor (#7)

09d8083

* A crude sketch of unreflect for deconstructors. * Reuse the same mangling everywhere. * Cleanup.

Fix uniqueness of patterns

69d7f7f

Fix resolved pattern declaration resolution check for null

c3b8f0e

Resolve unreflected deconstructor to work with invokeExact

09128ed

Co-authored-by: Viktor Klang <[email protected]>

Switching to Carriers.boxedComponentValueArray (#8)

512193a

* Switching to Carriers.boxedComponentValueArray * Fixing UnreflectPattern

Introduce Deconstructor <: MemberPattern <: Executable (#9)

934602d

* Introduce Deconstructor <: MemberPattern <: Executable * Fix MemberPattern.setAccessible * Retain signature of unreflectDeconstructor

Add instanceof statement (#10)

58bfec1

liach mentioned this pull request Oct 10, 2024

8199429: [lworld] value type (re)constructors expressions value type should not be discardable openjdk/valhalla#1274

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8333725: Compiler Prototyping for Deconstructors #94

8333725: Compiler Prototyping for Deconstructors #94

biboudis commented May 13, 2024 •

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8333725: Compiler Prototyping for Deconstructors #94

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8333725: Compiler Prototyping for Deconstructors #94

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