Function exprDependsOnThis

lib/astutils.cpp:1124–1161

}

bool exprDependsOnThis(const Token* expr, bool onVar, nonneg int depth)
{
    if (!expr)
        return false;
    if (expr->str() == "this")
        return true;
    if (depth >= 1000)
        // Abort recursion to avoid stack overflow
        return true;
    ++depth;

    // calling nonstatic method?
    if (Token::Match(expr, "%name% (")) {
        if (expr->function() && expr->function()->nestedIn && expr->function()->nestedIn->isClassOrStruct() && !expr->function()->isStatic()) {
            // is it a method of this?
            const Scope* fScope = expr->scope();
            while (!fScope->functionOf && fScope->nestedIn)
                fScope = fScope->nestedIn;

            const Scope* classScope = fScope->functionOf;
            if (classScope && classScope->function)
                classScope = classScope->function->token->scope();

            if (classScope && classScope->isClassOrStruct())
                return contains(classScope->findAssociatedScopes(), expr->function()->nestedIn);
            return false;
        }
        if (expr->isOperatorKeyword() && !Token::simpleMatch(expr->next()->astParent(), "."))
            return true;
    }
    if (onVar && expr->variable()) {
        const Variable* var = expr->variable();
        return ((var->isPrivate() || var->isPublic() || var->isProtected()) && !var->isStatic());
    }
    if (Token::simpleMatch(expr, "."))
        return exprDependsOnThis(expr->astOperand1(), onVar, depth);
    return exprDependsOnThis(expr->astOperand1(), onVar, depth) || exprDependsOnThis(expr->astOperand2(), onVar, depth);
}

static bool hasUnknownVars(const Token* startTok)
{