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author | Reinier Zwitserloot <reinier@tipit.to> | 2009-11-25 07:32:49 +0100 |
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committer | Reinier Zwitserloot <reinier@tipit.to> | 2009-11-25 07:32:49 +0100 |
commit | 1a0e611a9c5e1ee518670647ce1a44beae559b44 (patch) | |
tree | e5ef8f671bc6688f486e874d4e2e1a7813e4f0b2 /src/lombok/javac/handlers/HandleSneakyThrows.java | |
parent | 7fd947ea40c25dad9ee543ebc4b92de9a2e05efc (diff) | |
download | lombok-1a0e611a9c5e1ee518670647ce1a44beae559b44.tar.gz lombok-1a0e611a9c5e1ee518670647ce1a44beae559b44.tar.bz2 lombok-1a0e611a9c5e1ee518670647ce1a44beae559b44.zip |
Refactored the source folders.
Diffstat (limited to 'src/lombok/javac/handlers/HandleSneakyThrows.java')
-rw-r--r-- | src/lombok/javac/handlers/HandleSneakyThrows.java | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/src/lombok/javac/handlers/HandleSneakyThrows.java b/src/lombok/javac/handlers/HandleSneakyThrows.java deleted file mode 100644 index e7879dd1..00000000 --- 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); - } -} |