Actually Shil's suggestion is a good way to go. You can cut and paste the
following into the groovyConsole and it will run in the latest versions of
Groovy:
import groovy.transform.ASTTest
@ASTTest(phase=SEMANTIC_ANALYSIS, value={
def myMethod = node.methods.find { it.name == 'myMethod' }
def from = myMethod.lineNumber
def to = myMethod.lastLineNumber
def lines = node.module.context.source.reader.readLines()[from-1..<to]
println 'Source for myMethod:\n' + lines.join('\n')
println 'Comment lines:'
lines.findAll{ it.matches($/\s*//.*/$) }.each{ println it }
})
class MyClass {
def myMethod() {
// my comment
println 'Hello'
}
}
println 'done'
Output is:
Source for myMethod:
def myMethod() {
// my comment
println 'Hello'
}
Comment lines:
// my comment
done
Cheers, Paul.
On Wed, Sep 29, 2021 at 8:34 PM Shil Sinha <[email protected]> wrote:
> For extracting source code, you might be able to modify this AST
> transformation for your specific use case: SourceCodeASTTransformation
> <https://github.com/shils/groovy-exp/blob/master/src/main/groovy/me/shils/internal/transform/SourceCodeASTTransformation.groovy>
> (example
> usage in the tests
> <https://github.com/shils/groovy-exp/blob/master/src/test/groovy/me/shils/internal/transform/SourceCodeASTTransformationTest.groovy>).
> I haven't touched this code since Groovy 2.4.x, so I can't guarantee it
> works as intended in more recent versions.
>
> On Wed, Sep 29, 2021 at 8:55 AM Alessio Stalla <[email protected]>
> wrote:
>
>> I don't know about Groovy specifically, but most parsers discard comments
>> (and whitespace, line endings, etc.) before building an AST. However, you
>> can reconstruct the missing text if you have the position information of
>> each AST node and the original source code available.
>>
>> On Wed, 29 Sept 2021 at 08:26, Saravanan Palanichamy <[email protected]>
>> wrote:
>>
>>> Hello all,
>>>
>>> I am trying to do two things
>>>
>>> 1) Extract comments from inside a function code (not the function's
>>> groovy doc, but comments embedded inside the function code itself)
>>> 2) Extract the source code of the function itself
>>>
>>> For example
>>>
>>> /* Comments about myFunction *./
>>> void myFunction() {
>>> // My first line in the function
>>> myFirstLine()
>>>
>>> // My second line
>>> secondLine()
>>> }
>>>
>>> I want to extract the two // comments inside the function. I also want
>>> to be able to get the entire source code of the function (so essentially
>>> the entire code snippet above) as part of my AST transformations. Is that
>>> possible? Thank you for your time
>>>
>>> regards
>>> Saravanan
>>>
>>
