main.cxx

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/*
 * Copyright 2025 Yeong-won Seo
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#include "pch.h"
 
#include <cstring>
#include <memory>
#include <mllif/Backend/C#/CsBridgeGen.h>
#include <mllif/Backend/Context.h>
#include <mllif/Backend/Decl.h>
#include <mllif/Backend/Stdin.h>
 
static void PrintErrors(const mllif::MLLIFContext &context) {
    for (auto error : context.errors()) {
        std::cerr << "\x1b[0;31merror\x1b[0m: " << error.what() << std::endl;
    }
}
 
static void PrintHelp() {
    std::cout << "syntax: mllif-cs <library-name>"
              << "usage: mllif-cs mylib.so < mylib.msm > mylib.cs";
}
 
auto main(int argc, char *argv[]) -> int {
    mllif::MLLIFContext context;
    std::vector<char> msm;
    rapidxml::xml_document<> doc;
    std::shared_ptr<mllif::Decl> root;
 
    if (argc < 2) {
        context.error("missing library name; see help");
        goto ERROR;
    }
 
    if (strcmp(argv[1], "--help") == 0 ||
        strcmp(argv[1], "-h") == 0) {
        PrintHelp();
        return EXIT_SUCCESS;
    }
 
    msm = mllif::Stdin::ReadToEnd();
    doc.parse<0>(msm.data());
 
    root = mllif::Decl::Create(context, doc.first_node(), nullptr);
 
    if (!context) {
        goto ERROR;
    }
 
    {
        mllif::cs::CsBridgeGen wrapperGen(argv[1]);
        wrapperGen.handleDecl(context, root, std::cout, 0);
 
        if (!context) {
            goto ERROR;
        }
    }
 
    return EXIT_SUCCESS;
 
    ERROR:
        PrintErrors(context);
    return EXIT_FAILURE;
}