| method's first line of code identification [message #221092] |
Fri, 23 December 2005 13:31  |
Eclipse User |
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Originally posted by: jedi_il.hotmail.com
Hi,
I have an IMethod object, and i wish to identify the first line of code in
that method.
One solution i thought of was using method.getSource() and start
manipulating the source code in the string level, i can do it but before i
do, i wanted to know if perhaps the JDT already offers some more high
level way of doing that, somehow breaking lines and interpreting them.
Thanks
- Liran.
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| Re: method's first line of code identification [message #221108 is a reply to message #221100] |
Sat, 24 December 2005 13:44  |
| Eclipse User |
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Originally posted by: jedi_il.hotmail.com
Hi,
Thanks for the reply !
I've tired the code you showed me, and i did some reading about the AST -
this was just was i was looking for but i just have 2 problems which looks
like they are connected:
1. in your code you've used NodeFinder, it looks like its a part of the
jdt internal classes and eclipse warns me about using it, but it did work,
is it ok using it externally ?
2. How do i traverse on AST ? i didnt see any get children or something
like that, even in ASTNode. I did see the class ASTVisitor but it looks
like its for marking which nodes you've already traversed, im intresting
in more like enumerating the nodes, getting them and reading them. How is
it done ? (just via NodeFinder ?)
Thanks !
eddie wrote:
> Yes, you can using the AST model to do that, please reference to the
> following code sample.
> IMethod method;
> ASTParser parser = ASTParser.newParser(AST.JLS3);
> parser.setSource(method.getCompilationUnit());
> MethodDeclaration methodDeclaration = (MethodDeclaration)
> NodeFinder.perform(parser.createAST(null), lMethod.getSourceRange());
> System.out.println(methodDeclaration.getBody().statements(). get(0));
> Liran wrote:
>> Hi,
>>
>> I have an IMethod object, and i wish to identify the first line of code
>> in that method.
>> One solution i thought of was using method.getSource() and start
>> manipulating the source code in the string level, i can do it but before
>> i do, i wanted to know if perhaps the JDT already offers some more high
>> level way of doing that, somehow breaking lines and interpreting them.
>>
>> Thanks
>> - Liran.
>>
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| Re: method's first line of code identification [message #221152 is a reply to message #221108] |
Tue, 27 December 2005 22:25 |
| Eclipse User |
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You can traverse the ASTNode by casting the ASTNode to the specify
class. For example: TypeDeclaration , MethodDeclaration ...
Liran wrote:
> Hi, Thanks for the reply !
>
> I've tired the code you showed me, and i did some reading about the AST
> - this was just was i was looking for but i just have 2 problems which
> looks like they are connected:
>
> 1. in your code you've used NodeFinder, it looks like its a part of the
> jdt internal classes and eclipse warns me about using it, but it did
> work, is it ok using it externally ?
>
> 2. How do i traverse on AST ? i didnt see any get children or something
> like that, even in ASTNode. I did see the class ASTVisitor but it looks
> like its for marking which nodes you've already traversed, im intresting
> in more like enumerating the nodes, getting them and reading them. How
> is it done ? (just via NodeFinder ?)
>
> Thanks !
>
> eddie wrote:
>
>> Yes, you can using the AST model to do that, please reference to the
>> following code sample.
>
>
>> IMethod method;
>> ASTParser parser = ASTParser.newParser(AST.JLS3);
>> parser.setSource(method.getCompilationUnit());
>> MethodDeclaration methodDeclaration = (MethodDeclaration)
>> NodeFinder.perform(parser.createAST(null), lMethod.getSourceRange());
>> System.out.println(methodDeclaration.getBody().statements(). get(0));
>
>
>
>
>> Liran wrote:
>>
>>> Hi,
>>>
>>> I have an IMethod object, and i wish to identify the first line of
>>> code in that method.
>>> One solution i thought of was using method.getSource() and start
>>> manipulating the source code in the string level, i can do it but
>>> before i do, i wanted to know if perhaps the JDT already offers some
>>> more high level way of doing that, somehow breaking lines and
>>> interpreting them.
>>>
>>> Thanks
>>> - Liran.
>>>
>
>
>
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