public class ASTBindingTest extends ASTVisitor {

	@Override
	public boolean visit(ExpressionStatement node) {
		return super.visit(node);
	}

	@Override
	public boolean visit(FieldAccess node) {
		System.out.println("Field binding: "+node.resolveFieldBinding());
		return super.visit(node);
	}

	@Override
	public boolean visit(SimpleName node) {
		System.out.println("Simple name binding: "+node.resolveBinding());
		return super.visit(node);
	}
	

	public static void main(String[] args) throws IOException {
		String source = ...
		
		ASTParser parser = ASTParser.newParser(AST.JLS3);
		parser.setResolveBindings(true);
		parser.setSource(source.toCharArray());		
		org.eclipse.jdt.core.dom.CompilationUnit node = (org.eclipse.jdt.core.dom.CompilationUnit) parser.createAST(null);		
		node.accept(new ASTBindingTest());
		

		
		
	}
}

package a.b.c;

class A {
	int i;
}

class D extends A {
	
	public void setI(int i){
		this.i = i;
	}
	
	public int getI(){
		return i;
	}

}

Simple name binding: null
Simple name binding: null
Simple name binding: null
Simple name binding: null
Simple name binding: null
Simple name binding: null
Field binding: null
Simple name binding: null
Simple name binding: null
Simple name binding: null
Simple name binding: null

parser.setEnvironment(null, null, null, true);
parser.setUnitName("D.java");