| Using Eclipse AST Parser [message #215017] |
Mon, 11 June 2007 08:03 |
Eclipse User |
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Originally posted by: nitrousfiz.googlemail.com
Hello,
I need to write a (parser) program that will behave in the following way -
Input - some line number
Processing - identify all variable names in that line & find line numbers of
the declarations of the identified variables
Output - line numbers of the declarations of the identified variables
Example: Suppose you are given the following Java program -
-------------------------------------------------------
1. public class HelloWorld {
2. public static void main(String[] args) {
3. int a;
4. int b;
5. int c;
6. a=1;
7. b=2;
8. c=3;
9. a=a+c;
10. }
11. }
-------------------------------------------------------
Input: Line 9
Processing:
* Identify variables in line 9 - variables a and c
* Find declaration line number of variable a & c - Lines 3 and 5
* Output these line numbers
Output: Lines 3, 5
I was told that this is possible by using the Eclipse AST Parser.
Please advice how can I start solving this problem using it and what code to
put inside which method(s) in the AST explorer/traverser?
Thanks for your help.
Fayezin
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