[build] rewriting the build system

2 files changed, 268 insertions, 0 deletions

diff --git a/src/core8/lombok/javac/apt/Javac9BaseFileObjectWrapper.java b/src/core8/lombok/javac/apt/Javac9BaseFileObjectWrapper.java
new file mode 100644
index 00000000..f71be366
--- /dev/null
+++ b/src/core8/lombok/javac/apt/Javac9BaseFileObjectWrapper.java
@@ -0,0 +1,111 @@
+/*
+ * Copyright (C) 2010-2018 The Project Lombok Authors.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package lombok.javac.apt;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.Reader;
+import java.io.Writer;
+import java.net.URI;
+import java.nio.file.Path;
+
+import javax.lang.model.element.Modifier;
+import javax.lang.model.element.NestingKind;
+
+import com.sun.tools.javac.file.BaseFileManager;
+
+class Javac9BaseFileObjectWrapper extends com.sun.tools.javac.file.PathFileObject {
+	private final LombokFileObject delegate;
+	
+	public Javac9BaseFileObjectWrapper(BaseFileManager fileManager, Path path, LombokFileObject delegate) {
+		super(fileManager, path);
+		this.delegate = delegate;
+	}
+	
+	@Override public boolean isNameCompatible(String simpleName, Kind kind) {
+		return delegate.isNameCompatible(simpleName, kind);
+	}
+	
+	@Override public URI toUri() {
+		return delegate.toUri();
+	}
+	
+	@SuppressWarnings("all")
+	@Override public String getName() {
+		return delegate.getName();
+	}
+	
+	@Override public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
+		return delegate.getCharContent(ignoreEncodingErrors);
+	}
+	
+	@Override public InputStream openInputStream() throws IOException {
+		return delegate.openInputStream();
+	}
+	
+	@Override public Reader openReader(boolean ignoreEncodingErrors) throws IOException {
+		return delegate.openReader(ignoreEncodingErrors);
+	}
+	
+	@Override public Writer openWriter() throws IOException {
+		return delegate.openWriter();
+	}
+	
+	@Override public OutputStream openOutputStream() throws IOException {
+		return delegate.openOutputStream();
+	}
+	
+	@Override public long getLastModified() {
+		return delegate.getLastModified();
+	}
+	
+	@Override public boolean delete() {
+		return delegate.delete();
+	}
+	
+	@Override public Kind getKind() {
+		return delegate.getKind();
+	}
+	
+	@Override public NestingKind getNestingKind() {
+		return delegate.getNestingKind();
+	}
+	
+	@Override public Modifier getAccessLevel() {
+		return delegate.getAccessLevel();
+	}
+	
+	@Override public boolean equals(Object obj) {
+		if (!(obj instanceof Javac9BaseFileObjectWrapper)) return false;
+		return delegate.equals(((Javac9BaseFileObjectWrapper)obj).delegate);
+	}
+	
+	@Override public int hashCode() {
+		return delegate.hashCode();
+	}
+	
+	@Override public String toString() {
+		return delegate.toString();
+	}
+}
\ No newline at end of file
diff --git a/src/core8/lombok/javac/apt/Javac9Compiler.java b/src/core8/lombok/javac/apt/Javac9Compiler.java
new file mode 100644
index 00000000..c02e5929
--- /dev/null
+++ b/src/core8/lombok/javac/apt/Javac9Compiler.java
@@ -0,0 +1,157 @@
+/*
+ * Copyright (C) 2010-2020 The Project Lombok Authors.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package lombok.javac.apt;
+
+import java.io.IOException;
+import java.lang.reflect.Method;
+import java.net.URI;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.Iterator;
+import java.util.Set;
+
+import javax.tools.FileObject;
+import javax.tools.JavaFileManager;
+import javax.tools.JavaFileObject;
+import javax.tools.JavaFileObject.Kind;
+
+import com.sun.tools.javac.file.BaseFileManager;
+
+class Java9Compiler implements lombok.javac.apt.LombokFileObjects.Compiler {
+	private final BaseFileManager fileManager;
+	
+	public Java9Compiler(JavaFileManager jfm) {
+		fileManager = asBaseFileManager(jfm);
+	}
+	
+	@Override public JavaFileObject wrap(LombokFileObject fileObject) {
+		Path p; try {
+			p = toPath(fileObject);
+		} catch (Exception e) {
+			p = null;
+		}
+		
+		// J9BFOW extends javac's internal file base impl of javax.tools.JavaFileObject.
+		// J9JFOW just straight implements it. Probably J9JFOW is fine, but we decided to extend java's internal impl possibly for a reason.
+		// Some exotic build environments don't _have_ file objects and crash with FileNotFoundEx, so if that happens, let's try the alternative.
+		if (p != null) return new Javac9BaseFileObjectWrapper(fileManager, p, fileObject);
+		return new Javac9JavaFileObjectWrapper(fileObject);
+	}
+	
+	@Override public Method getDecoderMethod() {
+		return null;
+	}
+	
+	private static Path toPath(LombokFileObject fileObject) {
+		URI uri = fileObject.toUri();
+		if (uri.getScheme() == null) {
+			uri = URI.create("file:///" + uri);
+		}
+		try {
+			return Paths.get(uri);
+		} catch (IllegalArgumentException e) {
+			throw new IllegalArgumentException("Problems in URI '" + uri + "' (" + fileObject.toUri() + ")", e);
+		}
+	}
+	
+	private static BaseFileManager asBaseFileManager(JavaFileManager jfm) {
+		if (jfm instanceof BaseFileManager) {
+			return (BaseFileManager) jfm;
+		}
+		return new FileManagerWrapper(jfm);
+	}
+	
+	static class FileManagerWrapper extends BaseFileManager {
+		JavaFileManager manager;
+		
+		public FileManagerWrapper(JavaFileManager manager) {
+			super(null);
+			this.manager = manager;
+		}
+		
+		@Override
+		public int isSupportedOption(String option) {
+			return manager.isSupportedOption(option);
+		}
+		
+		@Override
+		public ClassLoader getClassLoader(Location location) {
+			return manager.getClassLoader(location);
+		}
+		
+		@Override
+		public Iterable<JavaFileObject> list(Location location, String packageName, Set<Kind> kinds, boolean recurse) throws IOException {
+			return manager.list(location, packageName, kinds, recurse);
+		}
+		
+		@Override
+		public String inferBinaryName(Location location, JavaFileObject file) {
+			return manager.inferBinaryName(location, file);
+		}
+		
+		@Override
+		public boolean isSameFile(FileObject a, FileObject b) {
+			return manager.isSameFile(a, b);
+		}
+		
+		@Override
+		public boolean handleOption(String current, Iterator<String> remaining) {
+			return manager.handleOption(current, remaining);
+		}
+		
+		@Override
+		public boolean hasLocation(Location location) {
+			return manager.hasLocation(location);
+		}
+		
+		@Override
+		public JavaFileObject getJavaFileForInput(Location location, String className, Kind kind) throws IOException {
+			return manager.getJavaFileForInput(location, className, kind);
+		}
+		
+		@Override
+		public JavaFileObject getJavaFileForOutput(Location location, String className, Kind kind, FileObject sibling) throws IOException {
+			return manager.getJavaFileForOutput(location, className, kind, sibling);
+		}
+		
+		@Override
+		public FileObject getFileForInput(Location location, String packageName, String relativeName) throws IOException {
+			return manager.getFileForInput(location, packageName, relativeName);
+		}
+		
+		@Override
+		public FileObject getFileForOutput(Location location, String packageName, String relativeName, FileObject sibling) throws IOException {
+			return manager.getFileForOutput(location, packageName, relativeName, sibling);
+		}
+		
+		@Override
+		public void flush() throws IOException {
+			manager.flush();
+		}
+		
+		@Override
+		public void close() throws IOException {
+			manager.close();
+		}
+	}
+}