How to count all the method calls in JDK using Eclipse JDT

Question

I have to count all the methods in JDK, for each class, count the method calls it received; for each method, count the number of times this method is called;

Hint: Use Eclipse JDT to create Abstract Syntax tree.

Can any body please explain how should I approach this problem. A brief algorithm would be great help. Thanks

Google 'JDT AST Tutorial'. You will find some good explainations and examples. — Gren, Dec 03 '14 at 18:06
@Joachim AST i can create, but i wanted a logical explanation that how will an AST help in this problem. — Ambidextrous, Dec 03 '14 at 18:07

score 2 · Accepted Answer · edited May 23 '17 at 11:58

You can approach your problem using the below steps:

First convert your java class to a CompilationUnit so that it can be traversed.
Then use the ASTVisitor pattern to visit the MethodDeclaration node (method call)
Do a reference search for the MethodDeclaration using JDT SearchEngine capabilities

Refer the below posts:

How to count all the method calls in JDK using Eclipse JDT

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