C++ Strings::push方法代码示例

// Split a path into an Array of paths
Strings *FileName::splitPath(const char *path)
{
    char c = 0;                         // unnecessary initializer is for VC /W4
    const char *p;
    OutBuffer buf;
    Strings *array;

    array = new Strings();
    if (path)
    {
        p = path;
        do
        {   char instring = 0;

            while (isspace((utf8_t)*p))         // skip leading whitespace
                p++;
            buf.reserve(strlen(p) + 1); // guess size of path
            for (; ; p++)
            {
                c = *p;
                switch (c)
                {
                    case '"':
                        instring ^= 1;  // toggle inside/outside of string
                        continue;

#if MACINTOSH
                    case ',':
#endif
#if _WIN32
                    case ';':
#endif
#if POSIX
                    case ':':
#endif
                        p++;
                        break;          // note that ; cannot appear as part
                                        // of a path, quotes won't protect it

                    case 0x1A:          // ^Z means end of file
                    case 0:
                        break;

                    case '\r':
                        continue;       // ignore carriage returns

#if POSIX
                    case '~':
                        buf.writestring(getenv("HOME"));
                        continue;
#endif

#if 0
                    case ' ':
                    case '\t':          // tabs in filenames?
                        if (!instring)  // if not in string
                            break;      // treat as end of path
#endif
                    default:
                        buf.writeByte(c);
                        continue;
                }
                break;
            }
            if (buf.offset)             // if path is not empty
            {
                buf.writeByte(0);       // to asciiz
                array->push(buf.extractData());
            }
        } while (c);
    }
    return array;
}

void getenv_setargv(const char *envvar, int *pargc, char** *pargv)
{
    char *p;

    int instring;
    int slash;
    char c;

    char *env = getenv(envvar);
    if (!env)
        return;

    env = mem.strdup(env);      // create our own writable copy

    int argc = *pargc;
    Strings *argv = new Strings();
    argv->setDim(argc);

    int argc_left = 0;
    for (int i = 0; i < argc; i++) {
        if (!strcmp((*pargv)[i], "-run") || !strcmp((*pargv)[i], "--run")) {
            // HACK: set flag to indicate we saw '-run' here
            global.params.run = true;
            // Don't eat -run yet so the program arguments don't get changed
            argc_left = argc - i;
            argc = i;
            *pargv = &(*pargv)[i];
            argv->setDim(i);
            break;
        } else {
        }
    }
    // HACK to stop required values from command line being drawn from DFLAGS
    argv->push((char*)"");
    argc++;

    size_t j = 1;               // leave argv[0] alone
    while (1)
    {
        int wildcard = 1;       // do wildcard expansion
        switch (*env)
        {
            case ' ':
            case '\t':
                env++;
                break;

            case 0:
                goto Ldone;

            case '"':
                wildcard = 0;
            default:
                argv->push(env);                // append
                //argv->insert(j, env);         // insert at position j
                j++;
                argc++;
                p = env;
                slash = 0;
                instring = 0;
                c = 0;

                while (1)
                {
                    c = *env++;
                    switch (c)
                    {
                        case '"':
                            p -= (slash >> 1);
                            if (slash & 1)
                            {   p--;
                                goto Laddc;
                            }
                            instring ^= 1;
                            slash = 0;
                            continue;

                        case ' ':
                        case '\t':
                            if (instring)
                                goto Laddc;
                            *p = 0;
                            //if (wildcard)
                                //wildcardexpand();     // not implemented
                            break;

                        case '\\':
                            slash++;
                            *p++ = c;
                            continue;

                        case 0:
                            *p = 0;
                            //if (wildcard)
                                //wildcardexpand();     // not implemented
                            goto Ldone;

                        default:
                        Laddc:
                            slash = 0;
//.........这里部分代码省略.........

int runProgram()
{
    //printf("runProgram()\n");
    if (global.params.verbose)
    {
        printf("%s", global.params.exefile);
        for (size_t i = 0; i < global.params.runargs_length; i++)
            printf(" %s", (char *)global.params.runargs[i]);
        printf("\n");
    }

    // Build argv[]
    Strings argv;

    argv.push(global.params.exefile);
    for (size_t i = 0; i < global.params.runargs_length; i++)
    {   char *a = global.params.runargs[i];

#if _WIN32
        // BUG: what about " appearing in the string?
        if (strchr(a, ' '))
        {   char *b = (char *)mem.malloc(3 + strlen(a));
            sprintf(b, "\"%s\"", a);
            a = b;
        }
#endif
        argv.push(a);
    }
    argv.push(NULL);

#if _WIN32
    char *ex = FileName::name(global.params.exefile);
    if (ex == global.params.exefile)
        ex = FileName::combine(".", ex);
    else
        ex = global.params.exefile;
    return spawnv(0,ex,argv.tdata());
#elif linux || __APPLE__ || __FreeBSD__ || __OpenBSD__ || __sun&&__SVR4
    pid_t childpid;
    int status;

    childpid = fork();
    if (childpid == 0)
    {
        char *fn = argv.tdata()[0];
        if (!FileName::absolute(fn))
        {   // Make it "./fn"
            fn = FileName::combine(".", fn);
        }
        execv(fn, argv.tdata());
        perror(fn);             // failed to execute
        return -1;
    }

    waitpid(childpid, &status, 0);

    if (WIFEXITED(status))
    {
        status = WEXITSTATUS(status);
        //printf("--- errorlevel %d\n", status);
    }
    else if (WIFSIGNALED(status))
    {
        printf("--- killed by signal %d\n", WTERMSIG(status));
        status = 1;
    }
    return status;
#else
    assert(0);
#endif
}

int runLINK()
{
#if _WIN32
    char *p;
    int status;
    OutBuffer cmdbuf;

    global.params.libfiles->push("user32");
    global.params.libfiles->push("kernel32");

    for (size_t i = 0; i < global.params.objfiles->dim; i++)
    {
        if (i)
            cmdbuf.writeByte('+');
        p = global.params.objfiles->tdata()[i];
        char *basename = FileName::removeExt(FileName::name(p));
        char *ext = FileName::ext(p);
        if (ext && !strchr(basename, '.'))
            // Write name sans extension (but not if a double extension)
            writeFilename(&cmdbuf, p, ext - p - 1);
        else
            writeFilename(&cmdbuf, p);
        mem.free(basename);
    }
    cmdbuf.writeByte(',');
    if (global.params.exefile)
        writeFilename(&cmdbuf, global.params.exefile);
    else
    {   /* Generate exe file name from first obj name.
         * No need to add it to cmdbuf because the linker will default to it.
         */
        char *n = global.params.objfiles->tdata()[0];
        n = FileName::name(n);
        FileName *fn = FileName::forceExt(n, "exe");
        global.params.exefile = fn->toChars();
    }

    // Make sure path to exe file exists
    {   char *p = FileName::path(global.params.exefile);
        FileName::ensurePathExists(p);
        mem.free(p);
    }

    cmdbuf.writeByte(',');
    if (global.params.mapfile)
        writeFilename(&cmdbuf, global.params.mapfile);
    else if (global.params.map)
    {
        FileName *fn = FileName::forceExt(global.params.exefile, "map");

        char *path = FileName::path(global.params.exefile);
        char *p;
        if (path[0] == '\0')
            p = FileName::combine(global.params.objdir, fn->toChars());
        else
            p = fn->toChars();

        writeFilename(&cmdbuf, p);
    }
    else
        cmdbuf.writestring("nul");
    cmdbuf.writeByte(',');

    for (size_t i = 0; i < global.params.libfiles->dim; i++)
    {
        if (i)
            cmdbuf.writeByte('+');
        writeFilename(&cmdbuf, global.params.libfiles->tdata()[i]);
    }

    if (global.params.deffile)
    {
        cmdbuf.writeByte(',');
        writeFilename(&cmdbuf, global.params.deffile);
    }

    /* Eliminate unnecessary trailing commas    */
    while (1)
    {   size_t i = cmdbuf.offset;
        if (!i || cmdbuf.data[i - 1] != ',')
            break;
        cmdbuf.offset--;
    }

    if (global.params.resfile)
    {
        cmdbuf.writestring("/RC:");
        writeFilename(&cmdbuf, global.params.resfile);
    }

    if (global.params.map || global.params.mapfile)
        cmdbuf.writestring("/m");

#if 0
    if (debuginfo)
        cmdbuf.writestring("/li");
    if (codeview)
    {
        cmdbuf.writestring("/co");
        if (codeview3)
//.........这里部分代码省略.........

void LibOMF::scanObjModule(ObjModule *om)
{   int easyomf;
    unsigned u;
    unsigned char result = 0;
    char name[LIBIDMAX + 1];

    Strings names;
    names.push(NULL);           // don't use index 0

    assert(om);
    easyomf = 0;                                // assume not EASY-OMF
    unsigned char *pend = om->base + om->length;

    unsigned char *pnext;
    for (unsigned char *p = om->base; 1; p = pnext)
    {
        assert(p < pend);
        unsigned char recTyp = *p++;
        unsigned short recLen = *(unsigned short *)p;
        p += 2;
        pnext = p + recLen;
        recLen--;                               // forget the checksum

        switch (recTyp)
        {
            case LNAMES:
            case LLNAMES:
                while (p + 1 < pnext)
                {
                    parseName(&p, name);
                    names.push(strdup(name));
                }
                break;

            case PUBDEF:
                if (easyomf)
                    recTyp = PUB386;            // convert to MS format
            case PUB386:
                if (!(parseIdx(&p) | parseIdx(&p)))
                    p += 2;                     // skip seg, grp, frame
                while (p + 1 < pnext)
                {
                    parseName(&p, name);
                    p += (recTyp == PUBDEF) ? 2 : 4;    // skip offset
                    parseIdx(&p);                               // skip type index
                    addSymbol(om, name);
                }
                break;

            case COMDAT:
                if (easyomf)
                    recTyp = COMDAT+1;          // convert to MS format
            case COMDAT+1:
            {
                int pickAny = 0;

                if (*p++ & 5)           // if continuation or local comdat
                    break;

                unsigned char attr = *p++;
                if (attr & 0xF0)        // attr: if multiple instances allowed
                    pickAny = 1;
                p++;                    // align

                p += 2;                 // enum data offset
                if (recTyp == COMDAT+1)
                    p += 2;                     // enum data offset

                parseIdx(&p);                   // type index

                if ((attr & 0x0F) == 0) // if explicit allocation
                {   parseIdx(&p);               // base group
                    parseIdx(&p);               // base segment
                }

                unsigned idx = parseIdx(&p);    // public name index
                if( idx == 0 || idx >= names.dim)
                {
                    //debug(printf("[s] name idx=%d, uCntNames=%d\n", idx, uCntNames));
                    error("corrupt COMDAT");
                    return;
                }

                //printf("[s] name='%s'\n",name);
                addSymbol(om, names[idx],pickAny);
                break;
            }
            case ALIAS:
                while (p + 1 < pnext)
                {
                    parseName(&p, name);
                    addSymbol(om, name);
                    parseName(&p, name);
                }
                break;

            case MODEND:
            case M386END:
                result = 1;
                goto Ret;
//.........这里部分代码省略.........

//.........这里部分代码省略.........
        VersionCondition::addGlobalIdent);

    global.params.output_o =
        (opts::output_o == cl::BOU_UNSET
            && !(opts::output_bc || opts::output_ll || opts::output_s))
        ? OUTPUTFLAGdefault
        : opts::output_o == cl::BOU_TRUE
            ? OUTPUTFLAGset
            : OUTPUTFLAGno;
    global.params.output_bc = opts::output_bc ? OUTPUTFLAGset : OUTPUTFLAGno;
    global.params.output_ll = opts::output_ll ? OUTPUTFLAGset : OUTPUTFLAGno;
    global.params.output_s  = opts::output_s  ? OUTPUTFLAGset : OUTPUTFLAGno;

    templateLinkage =
        opts::linkonceTemplates ? LLGlobalValue::LinkOnceODRLinkage
                                : LLGlobalValue::WeakODRLinkage;

    if (global.params.run || !runargs.empty()) {
        // FIXME: how to properly detect the presence of a PositionalEatsArgs
        // option without parameters? We want to emit an error in that case...
        // You'd think getNumOccurrences would do it, but it just returns the
        // number of parameters)
        // NOTE: Hacked around it by detecting -run in getenv_setargv(), where
        // we're looking for it anyway, and pre-setting the flag...
        global.params.run = true;
        if (!runargs.empty()) {
            char const * name = runargs[0].c_str();
            char const * ext = FileName::ext(name);
            if (ext && FileName::equals(ext, "d") == 0 &&
                FileName::equals(ext, "di") == 0) {
                error("-run must be followed by a source file, not '%s'", name);
            }

            files.push(mem.strdup(name));
            runargs.erase(runargs.begin());
        } else {
            global.params.run = false;
            error("Expected at least one argument to '-run'\n");
        }
    }


    files.reserve(fileList.size());
    typedef std::vector<std::string>::iterator It;
    for(It I = fileList.begin(), E = fileList.end(); I != E; ++I)
        if (!I->empty())
            files.push(mem.strdup(I->c_str()));

    if (global.errors)
    {
        fatal();
    }
    if (files.dim == 0 && !skipModules)
    {
        cl::PrintHelpMessage();
        return EXIT_FAILURE;
    }

    Array* libs;
    if (global.params.symdebug)
    {
        libs = global.params.debuglibnames;
    }
    else
        libs = global.params.defaultlibnames;

//.........这里部分代码省略.........
        {
            const char *path = static_cast<const char *>(global.params.imppath->data[i]);
            Strings *a = FileName::splitPath(path);

            if (a)
            {
                if (!global.path)
                    global.path = new Strings();
                global.path->append(a);
            }
        }
    }

    // Build string import search path
    if (global.params.fileImppath)
    {
        for (unsigned i = 0; i < global.params.fileImppath->dim; i++)
        {
            const char *path = static_cast<const char *>(global.params.fileImppath->data[i]);
            Strings *a = FileName::splitPath(path);

            if (a)
            {
                if (!global.filePath)
                    global.filePath = new Strings();
                global.filePath->append(a);
            }
        }
    }

    if (global.params.addMain)
    {
        // a dummy name, we never actually look up this file
        files.push(const_cast<char*>(global.main_d));
    }

    // Create Modules
    Modules modules;
    modules.reserve(files.dim);
    for (unsigned i = 0; i < files.dim; i++)
    {   Identifier *id;
        const char *ext;
        const char *name;

        const char *p = static_cast<const char *>(files.data[i]);

        p = FileName::name(p);      // strip path
        ext = FileName::ext(p);
        if (ext)
        {
#if LDC_POSIX
            if (strcmp(ext, global.obj_ext) == 0 ||
                strcmp(ext, global.bc_ext) == 0)
#else
            if (Port::stricmp(ext, global.obj_ext) == 0 ||
                Port::stricmp(ext, global.obj_ext_alt) == 0 ||
                Port::stricmp(ext, global.bc_ext) == 0)
#endif
            {
                global.params.objfiles->push(static_cast<const char *>(files.data[i]));
                continue;
            }

#if LDC_POSIX
            if (strcmp(ext, "a") == 0)
#elif __MINGW32__

/// Parses switches from the command line, any response files and the global
/// config file and sets up global.params accordingly.
///
/// Returns a list of source file names.
static void parseCommandLine(int argc, char **argv, Strings &sourceFiles, bool &helpOnly) {
#if _WIN32
    char buf[MAX_PATH];
    GetModuleFileName(NULL, buf, MAX_PATH);
    const char* argv0 = &buf[0];
    // FIXME: We cannot set params.argv0 here, as we would escape a stack
    // reference, but it is unused anyway.
    global.params.argv0 = NULL;
#else
    const char* argv0 = global.params.argv0 = argv[0];
#endif

    // Set some default values.
    global.params.useSwitchError = 1;
    global.params.useArrayBounds = 2;
    global.params.color = isConsoleColorSupported();

    global.params.linkswitches = new Strings();
    global.params.libfiles = new Strings();
    global.params.objfiles = new Strings();
    global.params.ddocfiles = new Strings();

    global.params.moduleDeps = NULL;
    global.params.moduleDepsFile = NULL;

    // Build combined list of command line arguments.
    std::vector<const char*> final_args;
    final_args.push_back(argv[0]);

    ConfigFile cfg_file;
    // just ignore errors for now, they are still printed
    cfg_file.read(argv0, (void*)main, "ldc2.conf");
    final_args.insert(final_args.end(), cfg_file.switches_begin(), cfg_file.switches_end());

    final_args.insert(final_args.end(), &argv[1], &argv[argc]);

    cl::SetVersionPrinter(&printVersion);
#if LDC_LLVM_VER >= 303
    hideLLVMOptions();
#endif
    cl::ParseCommandLineOptions(final_args.size(), const_cast<char**>(&final_args[0]),
        "LDC - the LLVM D compiler\n"
#if LDC_LLVM_VER < 302
        , true
#endif
    );

    helpOnly = mCPU == "help" ||
        (std::find(mAttrs.begin(), mAttrs.end(), "help") != mAttrs.end());

    // Print some information if -v was passed
    // - path to compiler binary
    // - version number
    // - used config file
    if (global.params.verbose) {
        fprintf(global.stdmsg, "binary    %s\n", llvm::sys::fs::getMainExecutable(argv0, (void*)main).c_str());
        fprintf(global.stdmsg, "version   %s (DMD %s, LLVM %s)\n", global.ldc_version, global.version, global.llvm_version);
        const std::string& path = cfg_file.path();
        if (!path.empty())
            fprintf(global.stdmsg, "config    %s\n", path.c_str());
    }

    // Negated options
    global.params.link = !compileOnly;
    global.params.obj = !dontWriteObj;
    global.params.useInlineAsm = !noAsm;

    // String options: std::string --> char*
    initFromString(global.params.objname, objectFile);
    initFromString(global.params.objdir, objectDir);

    initFromString(global.params.docdir, ddocDir);
    initFromString(global.params.docname, ddocFile);
    global.params.doDocComments |=
        global.params.docdir || global.params.docname;

    initFromString(global.params.jsonfilename, jsonFile);
    if (global.params.jsonfilename)
        global.params.doJsonGeneration = true;

    initFromString(global.params.hdrdir, hdrDir);
    initFromString(global.params.hdrname, hdrFile);
    global.params.doHdrGeneration |=
        global.params.hdrdir || global.params.hdrname;

    initFromString(global.params.moduleDepsFile, moduleDepsFile);
    if (global.params.moduleDepsFile != NULL)
    {
         global.params.moduleDeps = new OutBuffer;
    }

    processVersions(debugArgs, "debug",
        DebugCondition::setGlobalLevel,
        DebugCondition::addGlobalIdent);
    processVersions(versions, "version",
        VersionCondition::setGlobalLevel,
//.........这里部分代码省略.........

//.........这里部分代码省略.........
            if (flnk.write())
                error(Loc(), "error writing file %s", lnkfilename);
            if (strlen(lnkfilename) < plen)
                sprintf(p, "@%s", lnkfilename);
        }

        const char *linkcmd = getenv("LINKCMD64");
        if (!linkcmd)
            linkcmd = getenv("LINKCMD"); // backward compatible
        if (!linkcmd)
        {
            if (vcinstalldir)
            {
                OutBuffer linkcmdbuf;
                linkcmdbuf.writestring(vcinstalldir);
                linkcmdbuf.writestring("bin\\amd64\\link");
                linkcmd = linkcmdbuf.extractString();
            }
            else
                linkcmd = "link";
        }
        int status = executecmd(linkcmd, p);
        if (lnkfilename)
        {
            remove(lnkfilename);
            FileName::free(lnkfilename);
        }
        return status;
    }
    else
    {
        OutBuffer cmdbuf;

        global.params.libfiles->push("user32");
        global.params.libfiles->push("kernel32");

        for (size_t i = 0; i < global.params.objfiles->dim; i++)
        {
            if (i)
                cmdbuf.writeByte('+');
            const char *p = (*global.params.objfiles)[i];
            const char *basename = FileName::removeExt(FileName::name(p));
            const char *ext = FileName::ext(p);
            if (ext && !strchr(basename, '.'))
            {
                // Write name sans extension (but not if a double extension)
                writeFilename(&cmdbuf, p, ext - p - 1);
            }
            else
                writeFilename(&cmdbuf, p);
            FileName::free(basename);
        }
        cmdbuf.writeByte(',');
        if (global.params.exefile)
            writeFilename(&cmdbuf, global.params.exefile);
        else
        {   /* Generate exe file name from first obj name.
             * No need to add it to cmdbuf because the linker will default to it.
             */
            const char *n = (*global.params.objfiles)[0];
            n = FileName::name(n);
            global.params.exefile = (char *)FileName::forceExt(n, "exe");
        }

        // Make sure path to exe file exists
        ensurePathToNameExists(Loc(), global.params.exefile);

/// Parses switches from the command line, any response files and the global
/// config file and sets up global.params accordingly.
///
/// Returns a list of source file names.
static void parseCommandLine(int argc, char **argv, Strings &sourceFiles,
                             bool &helpOnly) {
  global.params.argv0 = exe_path::getExePath().data();

  // Set some default values.
  global.params.useSwitchError = 1;
  global.params.color = isConsoleColorSupported();

  global.params.linkswitches = new Strings();
  global.params.libfiles = new Strings();
  global.params.objfiles = new Strings();
  global.params.ddocfiles = new Strings();

  global.params.moduleDeps = nullptr;
  global.params.moduleDepsFile = nullptr;

  // Build combined list of command line arguments.
  std::vector<const char *> final_args;
  final_args.push_back(argv[0]);

  ConfigFile cfg_file;
  const char *explicitConfFile = tryGetExplicitConfFile(argc, argv);
  // just ignore errors for now, they are still printed
  cfg_file.read(explicitConfFile);
  final_args.insert(final_args.end(), cfg_file.switches_begin(),
                    cfg_file.switches_end());

  final_args.insert(final_args.end(), &argv[1], &argv[argc]);

  cl::SetVersionPrinter(&printVersion);
  hideLLVMOptions();
  cl::ParseCommandLineOptions(final_args.size(),
                              const_cast<char **>(final_args.data()),
                              "LDC - the LLVM D compiler\n");

  helpOnly = mCPU == "help" ||
             (std::find(mAttrs.begin(), mAttrs.end(), "help") != mAttrs.end());

  // Print some information if -v was passed
  // - path to compiler binary
  // - version number
  // - used config file
  if (global.params.verbose) {
    fprintf(global.stdmsg, "binary    %s\n", exe_path::getExePath().c_str());
    fprintf(global.stdmsg, "version   %s (DMD %s, LLVM %s)\n",
            global.ldc_version, global.version, global.llvm_version);
    const std::string &path = cfg_file.path();
    if (!path.empty()) {
      fprintf(global.stdmsg, "config    %s\n", path.c_str());
    }
  }

  // Negated options
  global.params.link = !compileOnly;
  global.params.obj = !dontWriteObj;
  global.params.useInlineAsm = !noAsm;

  // String options: std::string --> char*
  initFromString(global.params.objname, objectFile);
  initFromString(global.params.objdir, objectDir);

  initFromString(global.params.docdir, ddocDir);
  initFromString(global.params.docname, ddocFile);
  global.params.doDocComments |= global.params.docdir || global.params.docname;

  initFromString(global.params.jsonfilename, jsonFile);
  if (global.params.jsonfilename) {
    global.params.doJsonGeneration = true;
  }

  initFromString(global.params.hdrdir, hdrDir);
  initFromString(global.params.hdrname, hdrFile);
  global.params.doHdrGeneration |=
      global.params.hdrdir || global.params.hdrname;

  initFromString(global.params.moduleDepsFile, moduleDepsFile);
  if (global.params.moduleDepsFile != nullptr) {
    global.params.moduleDeps = new OutBuffer;
  }

  processVersions(debugArgs, "debug", DebugCondition::setGlobalLevel,
                  DebugCondition::addGlobalIdent);
  processVersions(versions, "version", VersionCondition::setGlobalLevel,
                  VersionCondition::addGlobalIdent);

  processTransitions(transitions);

  global.params.output_o =
      (opts::output_o == cl::BOU_UNSET &&
       !(opts::output_bc || opts::output_ll || opts::output_s))
          ? OUTPUTFLAGdefault
          : opts::output_o == cl::BOU_TRUE ? OUTPUTFLAGset : OUTPUTFLAGno;
  global.params.output_bc = opts::output_bc ? OUTPUTFLAGset : OUTPUTFLAGno;
  global.params.output_ll = opts::output_ll ? OUTPUTFLAGset : OUTPUTFLAGno;
  global.params.output_s = opts::output_s ? OUTPUTFLAGset : OUTPUTFLAGno;

//.........这里部分代码省略.........

//.........这里部分代码省略.........
    }

    processVersions(debugArgs, "debug",
        DebugCondition::setGlobalLevel,
        DebugCondition::addGlobalIdent);
    processVersions(versions, "version",
        VersionCondition::setGlobalLevel,
        VersionCondition::addGlobalIdent);

    global.params.output_o =
        (opts::output_o == cl::BOU_UNSET
            && !(opts::output_bc || opts::output_ll || opts::output_s))
        ? OUTPUTFLAGdefault
        : opts::output_o == cl::BOU_TRUE
            ? OUTPUTFLAGset
            : OUTPUTFLAGno;
    global.params.output_bc = opts::output_bc ? OUTPUTFLAGset : OUTPUTFLAGno;
    global.params.output_ll = opts::output_ll ? OUTPUTFLAGset : OUTPUTFLAGno;
    global.params.output_s  = opts::output_s  ? OUTPUTFLAGset : OUTPUTFLAGno;

    templateLinkage =
        opts::linkonceTemplates ? LLGlobalValue::LinkOnceODRLinkage
                                : LLGlobalValue::WeakODRLinkage;

    if (global.params.run || !runargs.empty()) {
        // FIXME: how to properly detect the presence of a PositionalEatsArgs
        // option without parameters? We want to emit an error in that case...
        // You'd think getNumOccurrences would do it, but it just returns the
        // number of parameters)
        // NOTE: Hacked around it by detecting -run in getenv_setargv(), where
        // we're looking for it anyway, and pre-setting the flag...
        global.params.run = true;
        if (!runargs.empty()) {
            files.push(mem.strdup(runargs[0].c_str()));
        } else {
            global.params.run = false;
            error("Expected at least one argument to '-run'\n");
        }
    }


    files.reserve(fileList.size());
    typedef std::vector<std::string>::iterator It;
    for(It I = fileList.begin(), E = fileList.end(); I != E; ++I)
        if (!I->empty())
            files.push(mem.strdup(I->c_str()));

    if (global.errors)
    {
        fatal();
    }
    if (files.dim == 0 && !skipModules)
    {
        cl::PrintHelpMessage();
        return EXIT_FAILURE;
    }

#if LDC_LLVM_VER >= 301
    llvm::TargetOptions targetOptions;
#endif

    Array* libs;
    if (global.params.symdebug)
    {
        libs = global.params.debuglibnames;
#if LDC_LLVM_VER == 300