desc tag in XML report

[sainat...@gmail.com]

<method name="invoke"

desc="(ILjava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;">

I am in need to get fully qualified method name (along with parameters)  from the report 

for the same task I have written a parser which would pick up package / class / method name and build a fully qualified method name 


But I am running into one small blocker here 
For the name of the method I can get it from name , to get the method parameters I thought of making use of desc tag but they seem to come along with type signatures for primitives (see. I, V and L reference)

Given that I have a method's desc

<method name="setFeature"

desc="Ljava/lang/String;Z">

I would only want to get setFeature(java.lang.String)

Please suggest me how to accomplish the same 

[Marc Hoffmann]

Hi,

the signature description is the internal representation used in Java class files. You can use libraries like ASM (see Type class) to parse these descriptors.

Also JaCoCo implements such a mapping to create Java source like methods declarations in the HTML report, see JavaNames.

But your second example

    desc="Ljava/lang/String;Z”>

does not look like a valid method descriptor (parenthesis missing). Was this XML snipped generated by JaCoCo?

Regards,

-marc

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[sainat...@gmail.com]

It was a copy-paste error on my side 

Wouldn't reading the params under the first set of opening and closing parenthesis suffice? to find out the method signatures in the form of java.lang.String or some custom object types

On Tuesday, 19 May 2020 12:51:32 UTC+5:30, Marc R. Hoffmann wrote:

Hi,

the signature description is the internal representation used in Java class files. You can use libraries like ASM (see Type class) to parse these descriptors.

Also JaCoCo implements such a mapping to create Java source like methods declarations in the HTML report, see JavaNames.

But your second example

    desc="Ljava/lang/String;Z”>

does not look like a valid method descriptor (parenthesis missing). Was this XML snipped generated by JaCoCo?

Regards,

-marc

On 18. May 2020, at 12:36, sainat...@gmail.com wrote:

<method name="invoke"

desc="(ILjava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;">

I am in need to get fully qualified method name (along with parameters)  from the report 

for the same task I have written a parser which would pick up package / class / method name and build a fully qualified method name 


But I am running into one small blocker here 
For the name of the method I can get it from name , to get the method parameters I thought of making use of desc tag but they seem to come along with type signatures for primitives (see. I, V and L reference)

Given that I have a method's desc

<method name="setFeature"

desc="Ljava/lang/String;Z">

I would only want to get setFeature(java.lang.String)

Please suggest me how to accomplish the same 

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[Marc Hoffmann]

Hi,

the types between the parenthesis are the method parameters, the type after the closing parenthesis is the return value. See JVM specification.

Which of the information you need depends on your use case.

Regards,

-marc

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[sainat...@gmail.com]

Thanks Marc 
Have written few regex rules to pick out the method params 
Seems to be working just fine for now 

Cheers!

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