linkStackTrace will go through a Java stack trace, search for files in a Github repository and add Markdown links to the stack trace.
Given the following stack trace
java.lang.RuntimeException:
at com.redhat.ceylon.compiler.java.codegen.Assert.fail(Assert.java:37)
at com.redhat.ceylon.compiler.java.codegen.Assert.fail(Assert.java:43)
at com.redhat.ceylon.compiler.java.codegen.AnnotationInvocationVisitor.<init>(AnnotationInvocationVisitor.java:73)
at com.redhat.ceylon.compiler.java.codegen.ExpressionTransformer.transformAnnotation(ExpressionTransformer.java:4354)
at com.redhat.ceylon.compiler.java.codegen.ExpressionTransformer.transform(ExpressionTransformer.java:4319)
at com.redhat.ceylon.compiler.java.codegen.CeylonTransformer.transformPackageDescriptor(CeylonTransformer.java:455)
and the repository ceylon/ceylon-compiler
, it will
- extract the file+line infos (
Assert.java:37
,Assert.java:43
,AnnotationInvocationVisitor.java:73
, etc.) - search for the files (
Assert.java
,AnnotationInvocationVisitor.java
, etc.) on GitHub in the repositoryceylon/ceylon-compiler
- and, if a unique match is found, replace the file:line in the stack trace with a Markdown link to the correct line of the found file
resulting in this Markdown:
java.lang.RuntimeException:
at com.redhat.ceylon.compiler.java.codegen.Assert.fail(Assert.java:37)
at com.redhat.ceylon.compiler.java.codegen.Assert.fail(Assert.java:43)
at com.redhat.ceylon.compiler.java.codegen.AnnotationInvocationVisitor.<init>([AnnotationInvocationVisitor.java:73](https://github.com/ceylon/ceylon-compiler/blob/5323225dbbe3d87b221e0b64cec0e68d8b09adab/src/com/redhat/ceylon/compiler/java/codegen/AnnotationInvocationVisitor.java#L73))
at com.redhat.ceylon.compiler.java.codegen.ExpressionTransformer.transformAnnotation([ExpressionTransformer.java:4354](https://github.com/ceylon/ceylon-compiler/blob/a57480723c29636dec6ae2d7606b1afc05d6be8b/src/com/redhat/ceylon/compiler/java/codegen/ExpressionTransformer.java#L4354))
at com.redhat.ceylon.compiler.java.codegen.ExpressionTransformer.transform([ExpressionTransformer.java:4319](https://github.com/ceylon/ceylon-compiler/blob/a57480723c29636dec6ae2d7606b1afc05d6be8b/src/com/redhat/ceylon/compiler/java/codegen/ExpressionTransformer.java#L4319))
at com.redhat.ceylon.compiler.java.codegen.CeylonTransformer.transformPackageDescriptor([CeylonTransformer.java:455](https://github.com/ceylon/ceylon-compiler/blob/9b2ed03f6ec738925b7c2d00e8fbd2b55bf89e51/src/com/redhat/ceylon/compiler/java/codegen/CeylonTransformer.java#L455))
<sup>Generated by [linkStackTrace](http://lucaswerkmeister.github.io/linkStackTrace/)</sup>
which, rendered, looks like this¹:
java.lang.RuntimeException: at com.redhat.ceylon.compiler.java.codegen.Assert.fail(Assert.java:37) at com.redhat.ceylon.compiler.java.codegen.Assert.fail(Assert.java:43) at com.redhat.ceylon.compiler.java.codegen.AnnotationInvocationVisitor.(AnnotationInvocationVisitor.java:73) at com.redhat.ceylon.compiler.java.codegen.ExpressionTransformer.transformAnnotation(ExpressionTransformer.java:4354) at com.redhat.ceylon.compiler.java.codegen.ExpressionTransformer.transform(ExpressionTransformer.java:4319) at com.redhat.ceylon.compiler.java.codegen.CeylonTransformer.transformPackageDescriptor(CeylonTransformer.java:455) Generated by linkStackTrace
¹: If you use the linked stack trace in GitHub issues, GitHub Flavored Markdown is used, which keeps line breaks.
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