FindWhileStatements.java

package me.tomassetti.examples;


import com.github.javaparser.JavaParser;
import com.github.javaparser.ast.expr.NameExpr;
import com.github.javaparser.ast.stmt.WhileStmt;
import com.github.javaparser.symbolsolver.javaparsermodel.JavaParserFacade;
import com.github.javaparser.symbolsolver.model.declarations.ValueDeclaration;
import com.github.javaparser.symbolsolver.model.resolution.SymbolReference;
import com.github.javaparser.symbolsolver.model.resolution.TypeSolver;
import com.github.javaparser.symbolsolver.resolution.typesolvers.ReflectionTypeSolver;
import me.tomassetti.support.NodeIterator;

public class FindWhileStatements {

    public static void main(String[] args) {
        String code = "class A {\n" +
                "\tstatic boolean f = true;\n" +
                "\tvoid methodFoo() {\n" +
                "\t\twhile (f) {\n" +
                "\t\t\tmethodFoo();\n" +
                "\t\t}\n" +
                "\t}\n" +
                "}";
        TypeSolver ts = new ReflectionTypeSolver(true);
        JavaParserFacade jpf = JavaParserFacade.get(ts);
        new NodeIterator(node -> {
            if (node instanceof WhileStmt) {
                WhileStmt whileStmt = (WhileStmt)node;
                if (whileStmt.getCondition() instanceof NameExpr) {
                    SymbolReference<? extends ValueDeclaration> symbolReference = jpf.solve((NameExpr) whileStmt.getCondition());
                    if (symbolReference.isSolved() && symbolReference.getCorrespondingDeclaration().isField() && symbolReference.getCorrespondingDeclaration().asField().isStatic()) {
                        System.out.println("FOUND!");
                    }
                }
            }
            return true;
        })
                .explore(JavaParser.parse(code));
    }
}