/*! Handle declaration in foreach statement */
bool PointerDeclarationFormatter::visit(ForeachStatementAST *ast)
{
    CHECK_RV(ast, "Invalid AST", true);
    printCandidate(ast);

    DeclaratorAST *declarator = ast->declarator;
    CHECK_RV(declarator, "No declarator", true);
    CHECK_RV(declarator->ptr_operator_list, "No Pointer or references", true);
    CHECK_RV(ast->type_specifier_list, "No type specifier", true);
    SpecifierAST *firstSpecifier = ast->type_specifier_list->value;
    CHECK_RV(firstSpecifier, "No first type specifier", true);
    CHECK_RV(ast->symbol, "No symbol", true);
    Symbol *symbol = ast->symbol->memberAt(0);

    // Specify activation range
    const int lastActivationToken = declarator->equal_token
        ? declarator->equal_token - 1
        : declarator->lastToken() - 1;
    TokenRange range(firstSpecifier->firstToken(), lastActivationToken);

    checkAndRewrite(declarator, symbol, range);
    return true;
}
/*!
    Handle
      (1) Simple declarations like in "char *s, *t, *int foo();"
      (2) Return types of function declarations.
 */
bool PointerDeclarationFormatter::visit(SimpleDeclarationAST *ast)
{
    CHECK_RV(ast, "Invalid AST", true);
    printCandidate(ast);

    const unsigned tokenKind = tokenAt(ast->firstToken()).kind();
    const bool astIsOk = tokenKind != T_CLASS && tokenKind != T_STRUCT && tokenKind != T_ENUM;
    CHECK_RV(astIsOk, "Nothing to do for class/struct/enum", true);

    DeclaratorListAST *declaratorList = ast->declarator_list;
    CHECK_RV(declaratorList, "No declarator list", true);
    DeclaratorAST *firstDeclarator = declaratorList->value;
    CHECK_RV(firstDeclarator, "No declarator", true);
    CHECK_RV(ast->symbols, "No Symbols", true);
    CHECK_RV(ast->symbols->value, "No Symbol", true);

    List<Symbol *> *sit = ast->symbols;
    DeclaratorListAST *dit = declaratorList;
    for (; sit && dit; sit = sit->next, dit = dit->next) {
        DeclaratorAST *declarator = dit->value;
        Symbol *symbol = sit->value;

        const bool isFirstDeclarator = declarator == firstDeclarator;

        // If were not handling the first declarator, we need to remove
        // characters from the beginning since our rewritten declaration
        // will contain all type specifiers.
        int charactersToRemove = 0;
        if (!isFirstDeclarator) {
            const int startAST = m_cppRefactoringFile->startOf(ast);
            const int startFirstDeclarator = m_cppRefactoringFile->startOf(firstDeclarator);
            CHECK_RV(startAST < startFirstDeclarator, "No specifier", true);
            charactersToRemove = startFirstDeclarator - startAST;
        }

        // Specify activation range
        int lastActivationToken = 0;
        TokenRange range;
        // (2) Handle function declaration's return type
        if (symbol->type()->asFunctionType()) {
            PostfixDeclaratorListAST *pfDeclaratorList = declarator->postfix_declarator_list;
            CHECK_RV(pfDeclaratorList, "No postfix declarator list", true);
            PostfixDeclaratorAST *pfDeclarator = pfDeclaratorList->value;
            CHECK_RV(pfDeclarator, "No postfix declarator", true);
            FunctionDeclaratorAST *functionDeclarator = pfDeclarator->asFunctionDeclarator();
            CHECK_RV(functionDeclarator, "No function declarator", true);
            // End the activation range before the '(' token.
            lastActivationToken = functionDeclarator->lparen_token - 1;

            SpecifierListAST *specifierList = isFirstDeclarator
                ? ast->decl_specifier_list
                : declarator->attribute_list;

            unsigned firstActivationToken = 0;
            bool foundBegin = false;
            firstActivationToken = firstTypeSpecifierWithoutFollowingAttribute(
                        specifierList,
                        m_cppRefactoringFile->cppDocument()->translationUnit(),
                        lastActivationToken,
                        &foundBegin);
            if (!foundBegin) {
                CHECK_RV(!isFirstDeclarator, "Declaration without attributes not supported", true);
                firstActivationToken = declarator->firstToken();
            }

            range.start = firstActivationToken;

        // (1) Handle 'normal' declarations.
        } else {
            if (isFirstDeclarator) {
                bool foundBegin = false;
                unsigned firstActivationToken = firstTypeSpecifierWithoutFollowingAttribute(
                            ast->decl_specifier_list,
                            m_cppRefactoringFile->cppDocument()->translationUnit(),
                            declarator->firstToken(),
                            &foundBegin);
                CHECK_RV(foundBegin, "Declaration without attributes not supported", true);
                range.start = firstActivationToken;
            } else {
                range.start = declarator->firstToken();
            }
            lastActivationToken = declarator->equal_token
                ? declarator->equal_token - 1
                : declarator->lastToken() - 1;
        }

        range.end = lastActivationToken;

        checkAndRewrite(declarator, symbol, range, charactersToRemove);
    }
    return true;
}