Migrate Win32Handler to Java's new Foreign Function & Memory API

resources/bundles/org.eclipse.core.filesystem/.classpath

@@ -1,7 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-17"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-25"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="src" path="src-gen">
+		<attributes>
+			<attribute name="ignore_optional_problems" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="output" path="bin"/>
 </classpath>

resources/bundles/org.eclipse.core.filesystem/.settings/org.eclipse.jdt.core.prefs

@@ -17,9 +17,9 @@ org.eclipse.jdt.core.compiler.annotation.nullable=org.eclipse.jdt.annotation.Nul
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=25
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=17
+org.eclipse.jdt.core.compiler.compliance=25
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -73,7 +73,7 @@ org.eclipse.jdt.core.compiler.problem.missingSerialVersion=warning
 org.eclipse.jdt.core.compiler.problem.missingSynchronizedOnInheritedMethod=ignore
 org.eclipse.jdt.core.compiler.problem.noEffectAssignment=warning
 org.eclipse.jdt.core.compiler.problem.noImplicitStringConversion=warning
-org.eclipse.jdt.core.compiler.problem.nonExternalizedStringLiteral=error
+org.eclipse.jdt.core.compiler.problem.nonExternalizedStringLiteral=warning
 org.eclipse.jdt.core.compiler.problem.nonnullParameterAnnotationDropped=warning
 org.eclipse.jdt.core.compiler.problem.nullAnnotationInferenceConflict=error
 org.eclipse.jdt.core.compiler.problem.nullReference=warning
@@ -112,7 +112,7 @@ org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionExemptExcepti
 org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionIncludeDocCommentReference=enabled
 org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionWhenOverriding=enabled
 org.eclipse.jdt.core.compiler.problem.unusedExceptionParameter=ignore
-org.eclipse.jdt.core.compiler.problem.unusedImport=error
+org.eclipse.jdt.core.compiler.problem.unusedImport=warning
 org.eclipse.jdt.core.compiler.problem.unusedLabel=warning
 org.eclipse.jdt.core.compiler.problem.unusedLocal=error
 org.eclipse.jdt.core.compiler.problem.unusedObjectAllocation=ignore
@@ -125,7 +125,7 @@ org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=ignore
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=warning
 org.eclipse.jdt.core.compiler.release=enabled
-org.eclipse.jdt.core.compiler.source=17
+org.eclipse.jdt.core.compiler.source=25
 org.eclipse.jdt.core.formatter.align_type_members_on_columns=false
 org.eclipse.jdt.core.formatter.alignment_for_additive_operator=16
 org.eclipse.jdt.core.formatter.alignment_for_arguments_in_allocation_expression=16

resources/bundles/org.eclipse.core.filesystem/.settings/org.eclipse.jdt.ui.prefs

@@ -85,7 +85,7 @@ sp_cleanup.pull_up_assignment=false
 sp_cleanup.push_down_negation=false
 sp_cleanup.qualify_static_field_accesses_with_declaring_class=false
 sp_cleanup.qualify_static_member_accesses_through_instances_with_declaring_class=true
-sp_cleanup.qualify_static_member_accesses_through_subtypes_with_declaring_class=true
+sp_cleanup.qualify_static_member_accesses_through_subtypes_with_declaring_class=false
 sp_cleanup.qualify_static_member_accesses_with_declaring_class=true
 sp_cleanup.qualify_static_method_accesses_with_declaring_class=false
 sp_cleanup.reduce_indentation=false

resources/bundles/org.eclipse.core.filesystem/META-INF/MANIFEST.MF

@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.core.filesystem; singleton:=true
-Bundle-Version: 1.11.600.qualifier
+Bundle-Version: 1.12.0.qualifier
 Bundle-Localization: plugin
 Require-Bundle: org.eclipse.core.runtime;bundle-version="[3.29.0,4.0.0)"
 Export-Package: org.eclipse.core.filesystem;uses:="org.eclipse.core.runtime",
@@ -11,8 +11,6 @@ Export-Package: org.eclipse.core.filesystem;uses:="org.eclipse.core.runtime",
  org.eclipse.core.internal.filesystem.local;x-internal:=true,
  org.eclipse.core.internal.filesystem.local.unix;x-internal:=true
 Bundle-Vendor: %providerName
-Bundle-RequiredExecutionEnvironment: JavaSE-17
+Bundle-RequiredExecutionEnvironment: JavaSE-25
 Bundle-ActivationPolicy: lazy
 Automatic-Module-Name: org.eclipse.core.filesystem
-Import-Package: com.sun.jna;version="[5.14.0,6.0.0)",
- com.sun.jna.platform.win32;version="[5.14.0,6.0.0)"

resources/bundles/org.eclipse.core.filesystem/build.properties

@@ -11,7 +11,8 @@
 # Contributors:
 #     IBM Corporation - initial API and implementation
 ###############################################################################
-source.. = src/
+source.. = src/,\
+           src-gen/
 output.. = bin/
 bin.includes = META-INF/,\
                .,\

resources/bundles/org.eclipse.core.filesystem/generateWindowsH.bat

@@ -0,0 +1,32 @@
+
+set "MSVC_HOME=C:\Program Files\Microsoft Visual Studio\2022\Community"
+call "%MSVC_HOME%\VC\Auxiliary\Build\vcvarsall.bat" x64
+
+@echo on
+
+jextract --output src-gen ^
+         --include-function GetShortPathNameW ^
+         --include-function GetFileAttributesW ^
+         --include-function SetFileAttributesW ^
+         --include-function FindFirstFileW ^
+         --include-function FindClose ^
+         --include-typedef WIN32_FIND_DATAW ^
+         --include-struct _WIN32_FIND_DATAW ^
+         --include-typedef FILETIME ^
+         --include-struct _FILETIME ^
+         --include-constant FILE_ATTRIBUTE_NORMAL ^
+         --include-constant FILE_ATTRIBUTE_ARCHIVE ^
+         --include-constant FILE_ATTRIBUTE_READONLY ^
+         --include-constant FILE_ATTRIBUTE_HIDDEN ^
+         --include-constant FILE_ATTRIBUTE_DIRECTORY ^
+         --include-constant FILE_ATTRIBUTE_REPARSE_POINT ^
+         --include-constant IO_REPARSE_TAG_SYMLINK ^
+         --include-constant INVALID_FILE_ATTRIBUTES ^
+         --include-constant INVALID_HANDLE_VALUE ^
+         --include-constant ERROR_FILE_NOT_FOUND ^
+         --include-constant ERROR_PATH_NOT_FOUND ^
+         --target-package com.microsoft.windows ^
+         --header-class-name FileAPI ^
+         --library kernel32 ^
+         --include-dir "%INCLUDE%" ^
+         "Windows.h"

resources/bundles/org.eclipse.core.filesystem/src-gen/com/microsoft/windows/FILETIME.java

@@ -0,0 +1,29 @@
+// Generated by jextract
+
+package com.microsoft.windows;
+
+import java.lang.invoke.*;
+import java.lang.foreign.*;
+import java.nio.ByteOrder;
+import java.util.*;
+import java.util.function.*;
+import java.util.stream.*;
+
+import static java.lang.foreign.ValueLayout.*;
+import static java.lang.foreign.MemoryLayout.PathElement.*;
+
+/**
+ * {@snippet lang=c :
+ * typedef struct _FILETIME {
+ *     DWORD dwLowDateTime;
+ *     DWORD dwHighDateTime;
+ * } FILETIME
+ * }
+ */
+public class FILETIME extends _FILETIME {
+
+    FILETIME() {
+        // Should not be called directly
+    }
+}
+

resources/bundles/org.eclipse.core.filesystem/src-gen/com/microsoft/windows/FileAPI$shared.java

@@ -0,0 +1,64 @@
+// Generated by jextract
+
+package com.microsoft.windows;
+
+import java.lang.invoke.*;
+import java.lang.foreign.*;
+import java.nio.ByteOrder;
+import java.util.*;
+import java.util.function.*;
+import java.util.stream.*;
+
+import static java.lang.foreign.ValueLayout.*;
+import static java.lang.foreign.MemoryLayout.PathElement.*;
+
+public class FileAPI$shared {
+
+    FileAPI$shared() {
+        // Should not be called directly
+    }
+
+    public static final ValueLayout.OfBoolean C_BOOL = (ValueLayout.OfBoolean) Linker.nativeLinker().canonicalLayouts().get("bool");
+    public static final ValueLayout.OfByte C_CHAR =(ValueLayout.OfByte)Linker.nativeLinker().canonicalLayouts().get("char");
+    public static final ValueLayout.OfShort C_SHORT = (ValueLayout.OfShort) Linker.nativeLinker().canonicalLayouts().get("short");
+    public static final ValueLayout.OfInt C_INT = (ValueLayout.OfInt) Linker.nativeLinker().canonicalLayouts().get("int");
+    public static final ValueLayout.OfLong C_LONG_LONG = (ValueLayout.OfLong) Linker.nativeLinker().canonicalLayouts().get("long long");
+    public static final ValueLayout.OfFloat C_FLOAT = (ValueLayout.OfFloat) Linker.nativeLinker().canonicalLayouts().get("float");
+    public static final ValueLayout.OfDouble C_DOUBLE = (ValueLayout.OfDouble) Linker.nativeLinker().canonicalLayouts().get("double");
+    public static final AddressLayout C_POINTER = ((AddressLayout) Linker.nativeLinker().canonicalLayouts().get("void*"))
+            .withTargetLayout(MemoryLayout.sequenceLayout(java.lang.Long.MAX_VALUE, C_CHAR));
+    public static final ValueLayout.OfInt C_LONG = (ValueLayout.OfInt) Linker.nativeLinker().canonicalLayouts().get("long");
+    public static final ValueLayout.OfDouble C_LONG_DOUBLE = (ValueLayout.OfDouble) Linker.nativeLinker().canonicalLayouts().get("double");
+
+    static final boolean TRACE_DOWNCALLS = Boolean.getBoolean("jextract.trace.downcalls");
+
+    static void traceDowncall(String name, Object... args) {
+         String traceArgs = Arrays.stream(args)
+                       .map(Object::toString)
+                       .collect(Collectors.joining(", "));
+         System.out.printf("%s(%s)\n", name, traceArgs);
+    }
+
+    static MethodHandle upcallHandle(Class<?> fi, String name, FunctionDescriptor fdesc) {
+        try {
+            return MethodHandles.lookup().findVirtual(fi, name, fdesc.toMethodType());
+        } catch (ReflectiveOperationException ex) {
+            throw new AssertionError(ex);
+        }
+    }
+
+    static MemoryLayout align(MemoryLayout layout, long align) {
+        return switch (layout) {
+            case PaddingLayout p -> p;
+            case ValueLayout v -> v.withByteAlignment(align);
+            case GroupLayout g -> {
+                MemoryLayout[] alignedMembers = g.memberLayouts().stream()
+                        .map(m -> align(m, align)).toArray(MemoryLayout[]::new);
+                yield g instanceof StructLayout ?
+                        MemoryLayout.structLayout(alignedMembers) : MemoryLayout.unionLayout(alignedMembers);
+            }
+            case SequenceLayout s -> MemoryLayout.sequenceLayout(s.elementCount(), align(s.elementLayout(), align));
+        };
+    }
+}
+