Refactored the source folders.

1 files changed, 110 insertions, 0 deletions

diff --git a/src/core/lombok/javac/handlers/HandleSneakyThrows.java b/src/core/lombok/javac/handlers/HandleSneakyThrows.java
new file mode 100644
index 00000000..e7879dd1
--- /dev/null
+++ b/src/core/lombok/javac/handlers/HandleSneakyThrows.java
@@ -0,0 +1,110 @@
+/*
+ * Copyright © 2009 Reinier Zwitserloot and Roel Spilker.
+ * 
+ * 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.handlers;
+
+import static lombok.javac.handlers.JavacHandlerUtil.chainDots;
+
+import java.util.ArrayList;
+import java.util.Collection;
+
+import lombok.SneakyThrows;
+import lombok.core.AnnotationValues;
+import lombok.javac.JavacAnnotationHandler;
+import lombok.javac.JavacNode;
+
+import org.mangosdk.spi.ProviderFor;
+
+import com.sun.tools.javac.code.Flags;
+import com.sun.tools.javac.tree.TreeMaker;
+import com.sun.tools.javac.tree.JCTree.JCAnnotation;
+import com.sun.tools.javac.tree.JCTree.JCBlock;
+import com.sun.tools.javac.tree.JCTree.JCExpression;
+import com.sun.tools.javac.tree.JCTree.JCMethodDecl;
+import com.sun.tools.javac.tree.JCTree.JCStatement;
+import com.sun.tools.javac.tree.JCTree.JCVariableDecl;
+import com.sun.tools.javac.util.List;
+
+/**
+ * Handles the {@code lombok.SneakyThrows} annotation for javac.
+ */
+@ProviderFor(JavacAnnotationHandler.class)
+public class HandleSneakyThrows implements JavacAnnotationHandler<SneakyThrows> {
+	@Override public boolean handle(AnnotationValues<SneakyThrows> annotation, JCAnnotation ast, JavacNode annotationNode) {
+		Collection<String> exceptionNames = annotation.getRawExpressions("value");
+		
+		List<JCExpression> memberValuePairs = ast.getArguments();
+		if (memberValuePairs == null || memberValuePairs.size() == 0) return false;
+		
+		java.util.List<String> exceptions = new ArrayList<String>();
+		for (String exception : exceptionNames) {
+			if (exception.endsWith(".class")) exception = exception.substring(0, exception.length() - 6);
+			exceptions.add(exception);
+		}
+		
+		JavacNode owner = annotationNode.up();
+		switch (owner.getKind()) {
+		case METHOD:
+			return handleMethod(annotationNode, (JCMethodDecl)owner.get(), exceptions);
+		default:
+			annotationNode.addError("@SneakyThrows is legal only on methods and constructors.");
+			return true;
+		}
+	}
+	
+	private boolean handleMethod(JavacNode annotation, JCMethodDecl method, Collection<String> exceptions) {
+		JavacNode methodNode = annotation.up();
+		
+		if ( (method.mods.flags & Flags.ABSTRACT) != 0) {
+			annotation.addError("@SneakyThrows can only be used on concrete methods.");
+			return true;
+		}
+		
+		if (method.body == null) return false;
+		
+		List<JCStatement> contents = method.body.stats;
+		
+		for (String exception : exceptions) {
+			contents = List.of(buildTryCatchBlock(methodNode, contents, exception));
+		}
+		
+		method.body.stats = contents;
+		methodNode.rebuild();
+		
+		return true;
+	}
+
+	private JCStatement buildTryCatchBlock(JavacNode node, List<JCStatement> contents, String exception) {
+		TreeMaker maker = node.getTreeMaker();
+		
+		JCBlock tryBlock = maker.Block(0, contents);
+		
+		JCExpression varType = chainDots(maker, node, exception.split("\\."));
+		
+		JCVariableDecl catchParam = maker.VarDef(maker.Modifiers(0), node.toName("$ex"), varType, null);
+		JCExpression lombokLombokSneakyThrowNameRef = chainDots(maker, node, "lombok", "Lombok", "sneakyThrow");
+		JCBlock catchBody = maker.Block(0, List.<JCStatement>of(maker.Throw(maker.Apply(
+				List.<JCExpression>nil(), lombokLombokSneakyThrowNameRef,
+				List.<JCExpression>of(maker.Ident(node.toName("$ex")))))));
+		
+		return maker.Try(tryBlock, List.of(maker.Catch(catchParam, catchBody)), null);
+	}
+}