#include <sys/mman.h>

#include "gebs/gebs.h"

#include "gpp.h"
#include "baked.h"

int gpp_fd;

void gpp_init(void)
{
    gpp_fd = memfd_create("gpp-binary", 0);
    if (gpp_fd < 0) {
        LOGE("Could not create gpp_fd. Aborting...");
        abort();
    }

    write(gpp_fd, gpp1_data, gpp1_size);
}

void gpp_deinit(void)
{
    close(gpp_fd);
}

bool gpp_run(char *path, NString_List *env, String_Builder *out)
{
    Cmd cmd = {0};
    defer { cmd_free(&cmd); }

    cmd_append(&cmd, "gpp1");
    cmd_append(&cmd, "-H");
    cmd_append(&cmd, "-x");
    cmd_append(&cmd, "--nostdinc");
    cmd_append(&cmd, path);

    for (size_t i = 0; i < env->count; i++) {
        cmd_append(&cmd, env->items[i]);
    }

    return cmd_fd_run_collect(gpp_fd, &cmd, out) == 0;
}