Release 4.0

[oxisto]

This issue keeps track of the upcoming release 4.0.

Improvements

• Concurrent frontend runs #444
• TypeScript language frontend #462
• Added HasInitializer interface for fields and variable declarations #460
• Adds StatementHolder interface and ability to model statements in structure declarations #468
• Removing expressionRefersToDeclaration and cleanup of CXXLanguageFrontend #466
• Template Support #368
• Make language frontends configurable #389
• CPG Console #435

Fixed Bugs

• Fixed NPE in PropertyEdgeConverterManager #454
• Fixed EOG handling in function declaration statements #456
• CXX static field acecss #492
• Stackoverflow in ParserType::hashCode #493
• Cleanup of CXX language frontend leads to unresolved references #491
• Fixed TypeScript NPE #501
• <class 'AttributeError'>: 'jep.PyJObject' object has no attribute 'addGlobal' #508

Documentation

• Adjust README to reflect the usage of the cpg-console instead of the jshell approach #485
• Prepare README for 4.0 release

Graph Changes

• Support expression in variable target of a ForEachStatement. Needed for the Python language frontend. #498
• Change the type of the iteration expression of a ForStatement to Statement. Needed for improvements in the Go language frontend. #497
• Make a proper distinction between implicit and inferred (formally known as dummy) #505

Probably not going to make it for the 4.0 release:

• Added AST property edge #424

[oxisto]

Any thing else, we want to tackle for the 4.0 release? We still have one bug left that definitely needs to be fixed (#493) and that was unfortunately introduced by the concurrent frontend runs. In the worse case, we might need to revert that one and postpone it.

cc @maximiliankaul @konradweiss @fwendland