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authorReinier Zwitserloot <reinier@tipit.to>2009-11-25 07:32:49 +0100
committerReinier Zwitserloot <reinier@tipit.to>2009-11-25 07:32:49 +0100
commit1a0e611a9c5e1ee518670647ce1a44beae559b44 (patch)
treee5ef8f671bc6688f486e874d4e2e1a7813e4f0b2 /src/lombok/javac/handlers/HandleSneakyThrows.java
parent7fd947ea40c25dad9ee543ebc4b92de9a2e05efc (diff)
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Refactored the source folders.
Diffstat (limited to 'src/lombok/javac/handlers/HandleSneakyThrows.java')
-rw-r--r--src/lombok/javac/handlers/HandleSneakyThrows.java110
1 files changed, 0 insertions, 110 deletions
diff --git a/src/lombok/javac/handlers/HandleSneakyThrows.java b/src/lombok/javac/handlers/HandleSneakyThrows.java
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--- a/src/lombok/javac/handlers/HandleSneakyThrows.java
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- * 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);
- }
-}