Last active
July 31, 2019 14:43
-
-
Save oowekyala/a1a77b2e271c2e7574dcb03dddad311c to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| import spoon.Launcher; | |
| import spoon.reflect.declaration.CtClass; | |
| import spoon.support.sniper.SniperJavaPrettyPrinter; | |
| public class MWE { | |
| /* | |
| <dependency> | |
| <groupId>fr.inria.gforge.spoon</groupId> | |
| <artifactId>spoon-core</artifactId> | |
| <version>7.6.0-beta-1</version> | |
| </dependency> | |
| */ | |
| public static void main(String[] args) { | |
| final Launcher spoon = new Launcher(); | |
| // This one throws an NPE: | |
| // CtClass<?> ctClass = Launcher.parseClass("class Foo { private int[] arr = new int[3]; { for (int i = 0; i < 3; i++) { arr[i] = 5; }}}"); | |
| // This one throws a SpoonException: The element of class class spoon.support.reflect.code.CtForImpl does not have CtRole.STATEMENT | |
| // The snippet is the same except there are no braces around the loop body | |
| CtClass<?> ctClass = Launcher.parseClass("class Foo { private int[] arr = new int[3]; { for (int i = 0; i < 3; i++) arr[i] = 5;}}"); | |
| spoon.getEnvironment().setPrettyPrinterCreator(() -> new SniperJavaPrettyPrinter(spoon.getEnvironment())); | |
| // this statement causes the exception | |
| // stack traces below | |
| spoon.createOutputWriter().createJavaFile(ctClass); | |
| } | |
| } | |
| /* Stack traces: | |
| Exception in thread "main" java.lang.NullPointerException | |
| at spoon.support.sniper.internal.ElementSourceFragment.forEachConstantFragment(ElementSourceFragment.java:664) | |
| at spoon.support.sniper.internal.ElementSourceFragment.getChildrenFragments(ElementSourceFragment.java:464) | |
| at spoon.support.sniper.SniperJavaPrettyPrinter.printTypes(SniperJavaPrettyPrinter.java:146) | |
| at spoon.reflect.visitor.DefaultJavaPrettyPrinter.calculate(DefaultJavaPrettyPrinter.java:1984) | |
| at spoon.support.sniper.SniperJavaPrettyPrinter.calculate(SniperJavaPrettyPrinter.java:105) | |
| at spoon.support.JavaOutputProcessor.createJavaFile(JavaOutputProcessor.java:114) | |
| at MWE.main(App.java:22) | |
| Exception in thread "main" spoon.SpoonException: The element of class class spoon.support.reflect.code.CtForImpl does not have CtRole.STATEMENT | |
| at spoon.reflect.meta.impl.RoleHandlerHelper.getRoleHandler(RoleHandlerHelper.java:55) | |
| at spoon.support.sniper.internal.ElementSourceFragment.getRoleHandler(ElementSourceFragment.java:241) | |
| at spoon.support.sniper.internal.ElementSourceFragment.addChild(ElementSourceFragment.java:181) | |
| at spoon.support.sniper.internal.ElementSourceFragment.access$000(ElementSourceFragment.java:44) | |
| at spoon.support.sniper.internal.ElementSourceFragment$1.enter(ElementSourceFragment.java:145) | |
| at spoon.reflect.visitor.CtScanner.visitCtAssignment(CtScanner.java:270) | |
| at spoon.support.reflect.code.CtAssignmentImpl.accept(CtAssignmentImpl.java:43) | |
| at spoon.reflect.visitor.EarlyTerminatingScanner.doScan(EarlyTerminatingScanner.java:143) | |
| at spoon.reflect.visitor.EarlyTerminatingScanner.scan(EarlyTerminatingScanner.java:119) | |
| at spoon.reflect.visitor.CtScanner.scan(CtScanner.java:165) | |
| at spoon.reflect.visitor.EarlyTerminatingScanner.scan(EarlyTerminatingScanner.java:104) | |
| at spoon.reflect.visitor.EarlyTerminatingScanner.scan(EarlyTerminatingScanner.java:81) | |
| at spoon.reflect.visitor.CtScanner.visitCtBlock(CtScanner.java:294) | |
| at spoon.support.reflect.code.CtBlockImpl.accept(CtBlockImpl.java:55) | |
| at spoon.reflect.visitor.EarlyTerminatingScanner.doScan(EarlyTerminatingScanner.java:143) | |
| at spoon.reflect.visitor.EarlyTerminatingScanner.scan(EarlyTerminatingScanner.java:119) | |
| at spoon.reflect.visitor.CtScanner.scan(CtScanner.java:165) | |
| at spoon.reflect.visitor.EarlyTerminatingScanner.scan(EarlyTerminatingScanner.java:104) | |
| at spoon.reflect.visitor.CtScanner.visitCtFor(CtScanner.java:458) | |
| at spoon.support.reflect.code.CtForImpl.accept(CtForImpl.java:38) | |
| at spoon.reflect.visitor.EarlyTerminatingScanner.doScan(EarlyTerminatingScanner.java:143) | |
| at spoon.reflect.visitor.EarlyTerminatingScanner.scan(EarlyTerminatingScanner.java:119) | |
| at spoon.reflect.visitor.CtScanner.scan(CtScanner.java:165) | |
| at spoon.reflect.visitor.EarlyTerminatingScanner.scan(EarlyTerminatingScanner.java:104) | |
| at spoon.reflect.visitor.EarlyTerminatingScanner.scan(EarlyTerminatingScanner.java:81) | |
| at spoon.reflect.visitor.CtScanner.visitCtBlock(CtScanner.java:294) | |
| at spoon.support.reflect.code.CtBlockImpl.accept(CtBlockImpl.java:55) | |
| at spoon.reflect.visitor.EarlyTerminatingScanner.doScan(EarlyTerminatingScanner.java:143) | |
| at spoon.reflect.visitor.EarlyTerminatingScanner.scan(EarlyTerminatingScanner.java:119) | |
| at spoon.reflect.visitor.CtScanner.scan(CtScanner.java:165) | |
| at spoon.reflect.visitor.EarlyTerminatingScanner.scan(EarlyTerminatingScanner.java:104) | |
| at spoon.reflect.visitor.CtScanner.visitCtAnonymousExecutable(CtScanner.java:221) | |
| at spoon.support.reflect.declaration.CtAnonymousExecutableImpl.accept(CtAnonymousExecutableImpl.java:35) | |
| at spoon.reflect.visitor.EarlyTerminatingScanner.doScan(EarlyTerminatingScanner.java:143) | |
| at spoon.reflect.visitor.EarlyTerminatingScanner.scan(EarlyTerminatingScanner.java:119) | |
| at spoon.reflect.visitor.CtScanner.scan(CtScanner.java:165) | |
| at spoon.reflect.visitor.EarlyTerminatingScanner.scan(EarlyTerminatingScanner.java:104) | |
| at spoon.reflect.visitor.EarlyTerminatingScanner.scan(EarlyTerminatingScanner.java:81) | |
| at spoon.reflect.visitor.CtScanner.visitCtClass(CtScanner.java:330) | |
| at spoon.support.reflect.declaration.CtClassImpl.accept(CtClassImpl.java:56) | |
| at spoon.reflect.visitor.EarlyTerminatingScanner.doScan(EarlyTerminatingScanner.java:143) | |
| at spoon.reflect.visitor.EarlyTerminatingScanner.scan(EarlyTerminatingScanner.java:119) | |
| at spoon.reflect.visitor.CtScanner.scan(CtScanner.java:165) | |
| at spoon.reflect.visitor.EarlyTerminatingScanner.scan(EarlyTerminatingScanner.java:104) | |
| at spoon.reflect.visitor.EarlyTerminatingScanner.scan(EarlyTerminatingScanner.java:81) | |
| at spoon.reflect.visitor.EarlyTerminatingScanner.visitCtCompilationUnit(EarlyTerminatingScanner.java:158) | |
| at spoon.support.reflect.declaration.CtCompilationUnitImpl.accept(CtCompilationUnitImpl.java:406) | |
| at spoon.reflect.visitor.EarlyTerminatingScanner.doScan(EarlyTerminatingScanner.java:143) | |
| at spoon.reflect.visitor.EarlyTerminatingScanner.scan(EarlyTerminatingScanner.java:119) | |
| at spoon.reflect.visitor.CtScanner.scan(CtScanner.java:165) | |
| at spoon.reflect.visitor.EarlyTerminatingScanner.scan(EarlyTerminatingScanner.java:104) | |
| at spoon.support.sniper.internal.ElementSourceFragment.addTreeOfSourceFragmentsOfElement(ElementSourceFragment.java:169) | |
| at spoon.support.reflect.declaration.CtCompilationUnitImpl.getOriginalSourceFragment(CtCompilationUnitImpl.java:358) | |
| at spoon.support.sniper.SniperJavaPrettyPrinter.printTypes(SniperJavaPrettyPrinter.java:145) | |
| at spoon.reflect.visitor.DefaultJavaPrettyPrinter.calculate(DefaultJavaPrettyPrinter.java:1984) | |
| at spoon.support.sniper.SniperJavaPrettyPrinter.calculate(SniperJavaPrettyPrinter.java:105) | |
| at spoon.support.JavaOutputProcessor.createJavaFile(JavaOutputProcessor.java:114) | |
| at MWE.main(App.java:22) | |
| */ |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment