Method testAst

test/testtokenize.cpp:6511–6564

    template<size_t size>
    std::string testAst(const char (&data)[size], AstStyle style = AstStyle::Simple, ListSimplification ls = ListSimplification::Partial) {
        // tokenize given code..
        TokenList tokenlist{settingsDefault, Standards::Language::CPP};
        tokenlist.appendFileIfNew("test.cpp");
        if (!tokenlist.createTokensFromString(data))
            return "ERROR";

        TokenizerTest tokenizer(std::move(tokenlist), *this);
        if (ls == ListSimplification::Partial) {
            tokenizer.combineStringAndCharLiterals();
            tokenizer.combineOperators();
            tokenizer.simplifySpaceshipOperator();
            tokenizer.createLinks();
            tokenizer.createLinks2();
            tokenizer.simplifyCAlternativeTokens();
            tokenizer.list.front()->assignIndexes();

            // set varid..
            for (Token *tok = tokenizer.list.front(); tok; tok = tok->next()) {
                if (tok->str() == "var")
                    tok->varId(1);
            }

            // Create AST..
            tokenizer.prepareTernaryOpForAST();
            tokenizer.list.createAst();

            tokenizer.list.validateAst(false);
        } else { // Full
            tokenizer.simplifyTokens1("");
        }

        // Basic AST validation
        for (const Token *tok = tokenizer.list.front(); tok; tok = tok->next()) {
            if (tok->astOperand2() && !tok->astOperand1() && tok->str() != ";" && tok->str() != ":")
                return "Op2 but no Op1 for token: " + tok->str();
        }

        // Return stringified AST
        if (style == AstStyle::Z3)
            return tokenizer.list.front()->astTop()->astStringZ3();

        std::string ret;
        std::set<const Token *> astTop;
        for (const Token *tok = tokenizer.list.front(); tok; tok = tok->next()) {
            if (tok->astOperand1() && astTop.find(tok->astTop()) == astTop.end()) {
                astTop.insert(tok->astTop());
                if (!ret.empty())
                    ret += " ";
                ret += tok->astTop()->astString();
            }
        }
        return ret;
    }

    void astexpr() { // simple expressions with arithmetical ops
        ASSERT_EQUALS("12+3+", testAst("1+2+3"));