/******************************************************************************* * Copyright (c) 2000, 2015 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * IBM Corporation - initial API and implementation *******************************************************************************/ package org.eclipse.jdt.core.tests.rewrite.modifying; import java.util.List; import junit.framework.Test; import org.eclipse.core.runtime.NullProgressMonitor; import org.eclipse.jdt.core.ICompilationUnit; import org.eclipse.jdt.core.IPackageFragment; import org.eclipse.jdt.core.dom.AST; import org.eclipse.jdt.core.dom.ASTNode; import org.eclipse.jdt.core.dom.ASTParser; import org.eclipse.jdt.core.dom.Block; import org.eclipse.jdt.core.dom.CatchClause; import org.eclipse.jdt.core.dom.CompilationUnit; import org.eclipse.jdt.core.dom.Expression; import org.eclipse.jdt.core.dom.ExpressionStatement; import org.eclipse.jdt.core.dom.FieldAccess; import org.eclipse.jdt.core.dom.Javadoc; import org.eclipse.jdt.core.dom.MethodDeclaration; import org.eclipse.jdt.core.dom.MethodInvocation; import org.eclipse.jdt.core.dom.Name; import org.eclipse.jdt.core.dom.PrimitiveType; import org.eclipse.jdt.core.dom.QualifiedName; import org.eclipse.jdt.core.dom.SingleVariableDeclaration; import org.eclipse.jdt.core.dom.Statement; import org.eclipse.jdt.core.dom.StructuralPropertyDescriptor; import org.eclipse.jdt.core.dom.ThrowStatement; import org.eclipse.jdt.core.dom.TryStatement; import org.eclipse.jdt.core.dom.TypeDeclaration; import org.eclipse.jdt.core.tests.util.Util; @SuppressWarnings({"rawtypes", "unchecked"}) public class ASTRewritingModifyingCopyTest extends ASTRewritingModifyingTest { private static final Class THIS = ASTRewritingModifyingCopyTest.class; public ASTRewritingModifyingCopyTest(String name) { super(name); } public static Test allTests() { return new Suite(THIS); } public static Test suite() { return allTests(); } public void test0001() throws Exception { IPackageFragment pack1= this.sourceFolder.createPackageFragment("test0001", false, null); StringBuffer buf= new StringBuffer(); buf.append("package test0001;\n"); buf.append("\n"); buf.append("public class X {\n"); buf.append("\n"); buf.append("}\n"); buf.append("class Y /**/ {\n"); buf.append("\n"); buf.append("}\n"); buf.append("class Z {\n"); buf.append("\n"); buf.append("}\n"); ICompilationUnit cu= pack1.createCompilationUnit("X.java", buf.toString(), false, null); CompilationUnit astRoot= createCU(cu, false); astRoot.recordModifications(); AST a = astRoot.getAST(); List types = astRoot.types(); TypeDeclaration typeDeclaration = (TypeDeclaration)types.get(1); TypeDeclaration typeDeclaration2 = (TypeDeclaration)ASTNode.copySubtree(a, typeDeclaration); types.add(typeDeclaration2); String preview = evaluateRewrite(cu, astRoot); buf= new StringBuffer(); buf.append("package test0001;\n"); buf.append("\n"); buf.append("public class X {\n"); buf.append("\n"); buf.append("}\n"); buf.append("class Y /**/ {\n"); buf.append("\n"); buf.append("}\n"); buf.append("class Z {\n"); buf.append("\n"); buf.append("}\n"); buf.append("class Y /**/ {\n"); buf.append("\n"); buf.append("}\n"); assertEqualString(preview, buf.toString()); } /* * https://bugs.eclipse.org/405699 : modify a copied node. */ public void test0002() throws Exception { IPackageFragment pack1= this.sourceFolder.createPackageFragment("test0002", false, null); StringBuffer buf= new StringBuffer(); buf.append("package test0002;\n"); buf.append("\n"); buf.append("public class X {\n"); buf.append("\n"); buf.append("}\n"); buf.append("class Y /**/ {\n"); buf.append(" //pre\n"); buf.append("\n"); buf.append(" int i; //post\n"); buf.append("}\n"); buf.append("class Z {\n"); buf.append("\n"); buf.append("}\n"); ICompilationUnit cu= pack1.createCompilationUnit("X.java", buf.toString(), false, null); CompilationUnit astRoot= createCU(cu, false); astRoot.recordModifications(); AST a = astRoot.getAST(); List types = astRoot.types(); TypeDeclaration typeDeclaration = (TypeDeclaration)types.get(1); TypeDeclaration typeDeclaration2 = (TypeDeclaration)ASTNode.copySubtree(a, typeDeclaration); typeDeclaration2.setName(a.newSimpleName("A")); types.add(typeDeclaration2); String preview = evaluateRewrite(cu, astRoot); buf= new StringBuffer(); buf.append("package test0002;\n"); buf.append("\n"); buf.append("public class X {\n"); buf.append("\n"); buf.append("}\n"); buf.append("class Y /**/ {\n"); buf.append(" //pre\n"); buf.append("\n"); buf.append(" int i; //post\n"); buf.append("}\n"); buf.append("class Z {\n"); buf.append("\n"); buf.append("}\n"); buf.append("class A {\n"); // buf.append(" //pre\n"); // we can't preserve everything, but we do our best... // buf.append("\n"); buf.append(" int i; //post\n"); buf.append("}\n"); assertEqualString(preview, buf.toString()); } /** @deprecated using deprecated code */ public void test0003() throws Exception { IPackageFragment pack1= this.sourceFolder.createPackageFragment("test0003", false, null); StringBuffer buf= new StringBuffer(); buf.append("package test0003;\n"); buf.append("\n"); buf.append("public class X extends Z1\n"); buf.append(" .Z2\n"); buf.append(" .Z3 {\n"); buf.append("\n"); buf.append("}\n"); buf.append("class Y {\n"); buf.append("\n"); buf.append("}\n"); ICompilationUnit cu= pack1.createCompilationUnit("X.java", buf.toString(), false, null); CompilationUnit astRoot= createCU(cu, false); astRoot.recordModifications(); AST a = astRoot.getAST(); List types = astRoot.types(); TypeDeclaration typeDeclaration1 = (TypeDeclaration)types.get(0); TypeDeclaration typeDeclaration2 = (TypeDeclaration)types.get(1); Name name = typeDeclaration1.getSuperclass(); Name name2 = (Name)ASTNode.copySubtree(a, name); typeDeclaration2.setSuperclass(name2); String preview = evaluateRewrite(cu, astRoot); buf= new StringBuffer(); buf.append("package test0003;\n"); buf.append("\n"); buf.append("public class X extends Z1\n"); buf.append(" .Z2\n"); buf.append(" .Z3 {\n"); buf.append("\n"); buf.append("}\n"); buf.append("class Y extends Z1\n"); buf.append(" .Z2\n"); buf.append(" .Z3 {\n"); buf.append("\n"); buf.append("}\n"); assertEqualString(preview, buf.toString()); } /** @deprecated using deprecated code */ public void test0004() throws Exception { IPackageFragment pack1= this.sourceFolder.createPackageFragment("test0004", false, null); StringBuffer buf= new StringBuffer(); buf.append("package test0004;\n"); buf.append("\n"); buf.append("public class X extends Z1\n"); buf.append(" .Z2\n"); buf.append(" .Z3 {\n"); buf.append("\n"); buf.append("}\n"); buf.append("class Y {\n"); buf.append("\n"); buf.append("}\n"); ICompilationUnit cu= pack1.createCompilationUnit("X.java", buf.toString(), false, null); CompilationUnit astRoot= createCU(cu, false); astRoot.recordModifications(); AST a = astRoot.getAST(); List types = astRoot.types(); TypeDeclaration typeDeclaration1 = (TypeDeclaration)types.get(0); TypeDeclaration typeDeclaration2 = (TypeDeclaration)types.get(1); Name name = typeDeclaration1.getSuperclass(); QualifiedName name2 = (QualifiedName)ASTNode.copySubtree(a, name); Name name3 = name2.getQualifier(); name2.setQualifier(a.newSimpleName("A")); typeDeclaration2.setSuperclass(name3); String preview = evaluateRewrite(cu, astRoot); buf= new StringBuffer(); buf.append("package test0004;\n"); buf.append("\n"); buf.append("public class X extends Z1\n"); buf.append(" .Z2\n"); buf.append(" .Z3 {\n"); buf.append("\n"); buf.append("}\n"); buf.append("class Y extends Z1\n"); buf.append(" .Z2 {\n"); buf.append("\n"); buf.append("}\n"); assertEqualString(Util.convertToIndependantLineDelimiter(preview), Util.convertToIndependantLineDelimiter(buf.toString())); } /** @deprecated using deprecated code */ public void test0005() throws Exception { IPackageFragment pack1= this.sourceFolder.createPackageFragment("test0005", false, null); StringBuffer buf= new StringBuffer(); buf.append("package test0005;\n"); buf.append("\n"); buf.append("public class X extends Z1\n"); buf.append(" .Z2\n"); buf.append(" .Z3 {\n"); buf.append("\n"); buf.append("}\n"); buf.append("class Y {\n"); buf.append("\n"); buf.append("}\n"); ICompilationUnit cu= pack1.createCompilationUnit("X.java", buf.toString(), false, null); CompilationUnit astRoot= createCU(cu, false); astRoot.recordModifications(); AST a = astRoot.getAST(); List types = astRoot.types(); TypeDeclaration typeDeclaration1 = (TypeDeclaration)types.get(0); TypeDeclaration typeDeclaration2 = (TypeDeclaration)types.get(1); Name name = typeDeclaration1.getSuperclass(); QualifiedName name2 = (QualifiedName)ASTNode.copySubtree(a, name); QualifiedName name3 = (QualifiedName)name2.getQualifier(); name2.setQualifier(a.newSimpleName("A")); name3.getName().setIdentifier("B"); typeDeclaration2.setSuperclass(name3); String preview = evaluateRewrite(cu, astRoot); buf= new StringBuffer(); buf.append("package test0005;\n"); buf.append("\n"); buf.append("public class X extends Z1\n"); buf.append(" .Z2\n"); buf.append(" .Z3 {\n"); buf.append("\n"); buf.append("}\n"); buf.append("class Y extends Z1\n"); buf.append(" .Z2 {\n"); buf.append("\n"); buf.append("}\n"); assertEqualString(Util.convertToIndependantLineDelimiter(preview), Util.convertToIndependantLineDelimiter(buf.toString())); } public void test0006() throws Exception { IPackageFragment pack1= this.sourceFolder.createPackageFragment("test0006", false, null); StringBuffer buf= new StringBuffer(); buf.append("package test0006;\n"); buf.append("\n"); buf.append("public class X {\n"); buf.append(" void foo() {\n"); buf.append(" bar1();\n"); buf.append(" \n"); buf.append(" //comment1\n"); buf.append(" bar2();//comment2\n"); buf.append(" //comment3\n"); buf.append(" bar3();\n"); buf.append(" }\n"); buf.append("}\n"); ICompilationUnit cu= pack1.createCompilationUnit("X.java", buf.toString(), false, null); CompilationUnit astRoot= createCU(cu, false); astRoot.recordModifications(); AST a = astRoot.getAST(); List types = astRoot.types(); TypeDeclaration typeDeclaration = (TypeDeclaration)types.get(0); MethodDeclaration methodDeclaration = typeDeclaration.getMethods()[0]; Block body = methodDeclaration.getBody(); List statements = body.statements(); Statement statement1 = (Statement)statements.get(1); Statement statement2 = (Statement)ASTNode.copySubtree(a, statement1); statements.add(statement2); String preview = evaluateRewrite(cu, astRoot); buf= new StringBuffer(); buf.append("package test0006;\n"); buf.append("\n"); buf.append("public class X {\n"); buf.append(" void foo() {\n"); buf.append(" bar1();\n"); buf.append(" \n"); buf.append(" //comment1\n"); buf.append(" bar2();//comment2\n"); buf.append(" //comment3\n"); buf.append(" bar3();\n"); buf.append(" //comment1\n"); buf.append(" bar2();//comment2\n"); buf.append(" }\n"); buf.append("}\n"); assertEqualString(Util.convertToIndependantLineDelimiter(preview), Util.convertToIndependantLineDelimiter(buf.toString())); } // https://bugs.eclipse.org/bugs/show_bug.cgi?id=93208 /** @deprecated using deprecated code */ public void test0007() throws Exception { IPackageFragment pack1= this.sourceFolder.createPackageFragment("test", false, null); StringBuffer buf= new StringBuffer(); buf.append("package test; public class Test { }"); ICompilationUnit cu= pack1.createCompilationUnit("Test.java", buf.toString(), false, null); CompilationUnit astRoot= createCU(cu, false); astRoot.recordModifications(); TypeDeclaration type = (TypeDeclaration) astRoot.types().get(0); AST ast = type.getAST(); MethodDeclaration m = ast.newMethodDeclaration(); type.bodyDeclarations().add(m); Block block = ast.newBlock(); m.setName(ast.newSimpleName("foo")); m.setReturnType(ast.newPrimitiveType(PrimitiveType.VOID)); m.setBody(block); FieldAccess fa = ast.newFieldAccess(); fa.setExpression(ast.newThisExpression()); fa.setName(ast.newSimpleName("x")); MethodInvocation mi = ast.newMethodInvocation(); mi.setExpression(fa); mi.setName(ast.newSimpleName("llall")); ExpressionStatement exp = ast.newExpressionStatement(mi); block.statements().add(exp); StructuralPropertyDescriptor loc = mi.getLocationInParent(); //This will cause the bug ASTNode node = ASTNode.copySubtree(ast, fa); exp.setStructuralProperty(loc, node); String preview = evaluateRewrite(cu, astRoot); buf= new StringBuffer(); buf.append("package test; public class Test {\n"); buf.append("\n"); buf.append(" void foo(){this.x;} }"); assertEqualString(Util.convertToIndependantLineDelimiter(preview), Util.convertToIndependantLineDelimiter(buf.toString())); } // https://bugs.eclipse.org/bugs/show_bug.cgi?id=304656 public void test0008() throws Exception { IPackageFragment pack1= this.sourceFolder.createPackageFragment("test0008", false, null); StringBuffer buf= new StringBuffer(); buf.append("package test0008;\n" + "\n" + "public class TestClass {\n" + " Thread t = new Thread(new Runnable(){\n" + "\n" + " @Override\n" + " public void run() {\n" + " try {\n" + " Thread.currentThread().sleep(1000);\n" + " } catch (InterruptedException e) {\n" + " e.printStackTrace();\n" + " }\n" + " }\n" + " \n" + " });\n" + "\n" + " public void testMethod(){\n" + " t.start();\n" + " }\n" + "\n" + " public static Thread staticTestMethod(Thread thread){\n" + " return thread;\n" + " }\n" + "}"); ICompilationUnit cu = pack1.createCompilationUnit("Test.java", buf.toString(), false, null); ASTParser astParser = ASTParser.newParser(getJLS3()); astParser.setSource(cu); ASTNode root = astParser.createAST(new NullProgressMonitor()); AST ast = root.getAST(); CompilationUnit compilationUnit = (CompilationUnit) root; compilationUnit.recordModifications(); List types = compilationUnit.types(); for (int i = 0, max = types.size(); i < max; i++) { TypeDeclaration td = (TypeDeclaration) types.get(i); MethodDeclaration[] methods = td.getMethods(); for (int j = 0, max2 = methods.length; j < max2; j++) { MethodDeclaration md = methods[j]; if (md.getName().getFullyQualifiedName().equals("testMethod")) { List statements = md.getBody().statements(); ExpressionStatement es = (ExpressionStatement) statements.get(0); MethodInvocation mi = (MethodInvocation) es.getExpression(); Expression existingExpression = mi.getExpression(); MethodInvocation threadNameInvocation = ast.newMethodInvocation(); threadNameInvocation.setExpression(null); threadNameInvocation.setName(ast.newSimpleName("staticTestMethod")); existingExpression.delete(); threadNameInvocation.arguments().add(existingExpression); mi.setExpression(threadNameInvocation); Block code = md.getBody(); TryStatement tryStatement = ast.newTryStatement(); List catches = tryStatement.catchClauses(); // create catch clause CatchClause catchClause = ast.newCatchClause(); // exception to catch SingleVariableDeclaration svd = ast.newSingleVariableDeclaration(); svd.setType(ast.newSimpleType(ast.newName("Throwable"))); svd.setName(ast.newSimpleName("e")); catchClause.setException(svd); // code to run on catch Block catchBody = ast.newBlock(); List catchStatements = catchBody.statements(); // throw statement ThrowStatement throwStatement = ast.newThrowStatement(); Expression throwExpression = ast.newName("e"); throwStatement.setExpression(throwExpression); catchStatements.add(throwStatement); catches.add(catchClause); // create finally statement Block finallyBlock = ast.newBlock(); statements = code.statements(); tryStatement.setFinally(finallyBlock); code.delete(); tryStatement.setBody(code); Block tryBlock = ast.newBlock(); tryBlock.statements().add(tryStatement); md.setBody(tryBlock); } } } String preview = evaluateRewrite(cu, compilationUnit); buf= new StringBuffer(); buf.append("package test0008;\n"); buf.append("\n"); buf.append("public class TestClass {\n"); buf.append(" Thread t = new Thread(new Runnable(){\n"); buf.append("\n"); buf.append(" @Override\n"); buf.append(" public void run() {\n"); buf.append(" try {\n"); buf.append(" Thread.currentThread().sleep(1000);\n"); buf.append(" } catch (InterruptedException e) {\n"); buf.append(" e.printStackTrace();\n"); buf.append(" }\n"); buf.append(" }\n"); buf.append(" \n"); buf.append(" });\n"); buf.append("\n"); buf.append(" public void testMethod(){\n"); buf.append(" try {\n"); buf.append(" staticTestMethod(t).start();\n"); buf.append(" } catch (Throwable e) {\n"); buf.append(" } finally {\n"); buf.append(" }\n"); buf.append(" }\n"); buf.append("\n"); buf.append(" public static Thread staticTestMethod(Thread thread){\n"); buf.append(" return thread;\n"); buf.append(" }\n"); buf.append("}"); assertEqualString(Util.convertToIndependantLineDelimiter(preview), Util.convertToIndependantLineDelimiter(buf.toString())); } public void test0009() throws Exception { IPackageFragment pack1= this.sourceFolder.createPackageFragment("test0007", false, null); StringBuffer buf= new StringBuffer(); buf.append("package test0007;\n"); buf.append("\n"); buf.append("public class X {\n"); buf.append(" /**\n"); buf.append(" * NOTHING\n"); buf.append(" */\n"); buf.append(" void foo() {\n"); buf.append(" \n"); buf.append(" }\n"); buf.append(" void bar() {\n"); buf.append(" \n"); buf.append(" }\n"); buf.append("}\n"); ICompilationUnit cu= pack1.createCompilationUnit("X.java", buf.toString(), false, null); ASTParser astParser = ASTParser.newParser(getJLS3()); astParser.setSource(cu); CompilationUnit compilationUnit = (CompilationUnit) astParser.createAST(new NullProgressMonitor()); AST ast = compilationUnit.getAST(); compilationUnit.recordModifications(); List types = compilationUnit.types(); TypeDeclaration typeDeclaration = (TypeDeclaration)types.get(0); MethodDeclaration methodDeclaration1 = typeDeclaration.getMethods()[0]; MethodDeclaration methodDeclaration2 = typeDeclaration.getMethods()[1]; Javadoc javadoc1 = methodDeclaration1.getJavadoc(); Javadoc javadoc2 = (Javadoc)ASTNode.copySubtree(ast, javadoc1); methodDeclaration2.setJavadoc(javadoc2); String preview = evaluateRewrite(cu, compilationUnit); buf= new StringBuffer(); buf.append("package test0007;\n"); buf.append("\n"); buf.append("public class X {\n"); buf.append(" /**\n"); buf.append(" * NOTHING\n"); buf.append(" */\n"); buf.append(" void foo() {\n"); buf.append(" \n"); buf.append(" }\n"); buf.append(" /**\n"); buf.append(" * NOTHING\n"); buf.append(" */\n"); buf.append(" void bar() {\n"); buf.append(" \n"); buf.append(" }\n"); buf.append("}\n"); assertEqualString(Util.convertToIndependantLineDelimiter(preview), Util.convertToIndependantLineDelimiter(buf.toString())); } }