Method eval

source/ast/builtins/ArrayMethods.cpp:389–445

    }

    ConstantValue eval(EvalContext& context, const Args& args, SourceRange,
                       const CallExpression::SystemCallInfo& callInfo) const final {
        ConstantValue arr = args[0]->eval(context);
        if (!arr)
            return nullptr;

        SVQueue result;
        if (arr.empty())
            return result;

        auto [iterExpr, iterVar] = callInfo.getIteratorInfo();
        if (iterExpr) {
            SLANG_ASSERT(iterVar);

            auto it = begin(arr);
            auto guard = context.disableCaching();
            auto iterVal = context.createLocal(iterVar, *it);
            ConstantValue elem = *it;
            ConstantValue val = iterExpr->eval(context);

            for (++it; it != end(arr); ++it) {
                *iterVal = *it;
                auto cv = iterExpr->eval(context);

                if (isMin) {
                    if (cv < val) {
                        val = cv;
                        elem = *it;
                    }
                }
                else {
                    if (val < cv) {
                        val = cv;
                        elem = *it;
                    }
                }
            }
            result.emplace_back(std::move(elem));
        }
        else {
            auto it = begin(arr);
            ConstantValue elem = *it;
            for (++it; it != end(arr); ++it) {
                if (isMin) {
                    if (*it < elem)
                        elem = *it;
                }
                else {
                    if (elem < *it)
                        elem = *it;
                }
            }
            result.emplace_back(std::move(elem));
        }

        return result;
    }