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path: root/command_line/CmdLine/Src/CLToolExec.c
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#include "cmdline.h"

extern char STSbuf[256];
extern PCmdLine pCmdLine;

void AppendArgumentList(int *argc, char ***argv, const char *str) {
    *argv = xrealloc("command-line arguments", *argv, sizeof(char *) * (*argc + 2));
    (*argv)[(*argc)++] = xstrdup(str);
}

static int CopyArgumentList(int argc, char **argv, int *Argc, char ***Argv) {
    int x;
    int y;

    y = Argc ? *Argc : 0;
    *Argv = xrealloc("command-line arguments", *Argv, sizeof(char *) * (y + argc + 1));

    if (argv) {
        for (x = 0; x < argc; x++) {
            (*Argv)[y++] = xstrdup(argv[x]);
        }
    }
    (*Argv)[y] = NULL;
    if (Argc)
        *Argc = y;

    return 1;
}

static int FreeArgumentList(char **argv) {
    char **scan;
    for (scan = argv; *scan; scan++)
        xfree(*scan);
    xfree(argv);
    return 1;
}

static int SetupLinkerCommandLine(SInt32 dropinflags, File *file, CWCommandLineArgs *args) {
    CWCommandLineArgs *baseargs;
    int x;
    SInt32 idx;
    OSSpec spec;

    for (x = 0; x < numPlugins; x++) {
        if (pluginInfo[x].plugintype == CWDROPINLINKERTYPE && ((dropinflags & (isPostLinker | isPreLinker)) == (pluginInfo[x].dropinflags & (isPostLinker | isPreLinker))))
            break;
    }

    OS_ASSERT(89, x < numPlugins);

    args->argc = 1;
    args->argv = xmalloc("command-line arguments", 2 * sizeof(char *));
    Main_PassSpecialArgs(&args->argc, &args->argv);

    baseargs = &plugin_args[x];
    CopyArgumentList(baseargs->argc - 1, baseargs->argv + 1, &args->argc, &args->argv);

    x = 0;
    if (baseargs->envp) {
        while (baseargs->envp[x])
            x++;
    }
    args->envp = NULL;
    CopyArgumentList(x, baseargs->envp, NULL, &args->envp);

    if (!file && !(dropinflags & isPostLinker)) {
        for (idx = 0; idx < Files_Count(&gTarg->files); idx++) {
            file = Files_GetFile(&gTarg->files, idx);
            if (file->sourceUsage & CmdLineStageMask_Cg) {
                AppendArgumentList(&args->argc, &args->argv, file->srcfilename);
            }
            if (file->objectUsage & CmdLineStageMask_Cg) {
                if (GetOutputFile(file, CmdLineStageMask_Cg) != 0 && StoreObjectFile(file))
                    AppendArgumentList(&args->argc, &args->argv, OS_SpecToString(&file->outfss, STSbuf, sizeof(STSbuf)));
                else
                    return 0;
            }
        }
    } else if (file) {
        args->argv = xrealloc("command-line arguments", args->argv, sizeof(char *) * (args->argc + 1));
        if (file->sourceUsage & CmdLineStageMask_Cg) {
            AppendArgumentList(&args->argc, &args->argv, file->srcfilename);
        }
        if (file->objectUsage & CmdLineStageMask_Cg) {
            if (GetOutputFile(file, CmdLineStageMask_Cg) != 0 && StoreObjectFile(file)) {
                AppendArgumentList(&args->argc, &args->argv, OS_SpecToString(&file->outfss, STSbuf, sizeof(STSbuf)));
            }
        }
        if ((pCmdLine.toDisk & CmdLineStageMask_Ds) && (file->objectUsage & CmdLineStageMask_Pp) && file->outfilename[0] && GetOutputFile(file, CmdLineStageMask_Ds)) {
            AppendArgumentList(&args->argc, &args->argv, "-o");
            AppendArgumentList(&args->argc, &args->argv, OS_SpecToString(&file->outfss, STSbuf, sizeof(STSbuf)));
        }
    } else if (dropinflags & isPostLinker) {
        OS_FSSpec_To_OSSpec(&gTarg->targetinfo->outfile, &spec);
        AppendArgumentList(&args->argc, &args->argv, OS_SpecToString(&spec, STSbuf, sizeof(STSbuf)));
    }

    args->argv[args->argc] = NULL;
    return 1;
}

int SetupTemporaries(void) {
    SInt32 idx;
    File *file;

    for (idx = 0; idx < Files_Count(&gTarg->files); idx++) {
        file = Files_GetFile(&gTarg->files, idx);
        if ((file->objectUsage & CmdLineStageMask_Cg) && !(optsCmdLine.toDisk & CmdLineStageMask_Cg) && !(file->writeToDisk & CmdLineStageMask_Cg)) {
            if (!optsCompiler.keepObjects)
                file->tempOnDisk |= CmdLineStageMask_Cg;
            else
                file->writeToDisk |= CmdLineStageMask_Cg;
        }
    }

    return 1;
}

int DeleteTemporaries(void) {
    SInt32 idx;
    File *file;

    for (idx = 0; idx < Files_Count(&gTarg->files); idx++) {
        file = Files_GetFile(&gTarg->files, idx);
        if ((file->objectUsage & CmdLineStageMask_Cg) && (file->tempOnDisk & CmdLineStageMask_Cg) && (file->wroteToDisk & CmdLineStageMask_Cg)) {
            GetOutputFile(file, CmdLineStageMask_Cg);
            if (optsCmdLine.verbose > 1)
                CLReport(CLStr19, OS_SpecToString(&file->outfss, STSbuf, sizeof(STSbuf)));
            OS_Delete(&file->outfss);
            file->tempOnDisk &= ~CmdLineStageMask_Cg;
            file->wroteToDisk &= ~CmdLineStageMask_Cg;
        }
    }

    return 1;
}

int ExecuteLinker(Plugin *plugin, SInt32 dropinflags, File *file, char *stdoutfile, char *stderrfile) {
    char cname[64];
    const char *linkername;
    OSSpec linkerspec;
    CWCommandLineArgs args;
    int exitcode;
    int execerr;
    const char *linkertype;
    int ret;
    char *ptr;
    char *ptr2;
    int x;

    // TODO rename this flag to isExecutableTool
    OS_ASSERT(269, dropinflags & dropInExecutableTool);

    args.argc = 0;
    args.argv = args.envp = NULL;

    if (dropinflags & isPreLinker)
        linkertype = "pre-linker";
    else if (dropinflags & isPostLinker)
        linkertype = "post-linker";
    else
        linkertype = "linker";

    linkername = Plugin_GetDropInName(plugin);
    if (!(dropinflags & (isPreLinker | isPostLinker)) && optsCompiler.linkerName[0])
        linkername = optsCompiler.linkerName;

    if (OS_FindProgram(linkername, &linkerspec)) {
        strcpy(cname, clState.programName);

        for (ptr = cname; *ptr; ptr++)
            *ptr = tolower(*ptr);

        if ((ptr = strstr(cname, "cc")) || (ptr = strstr(cname, "pas")) || (ptr = strstr(cname, "asm"))) {
            if (ptr[0] != 'c') {
                memmove(ptr + 2, ptr + 3, strlen(ptr) - 3);
                ptr[strlen(ptr) - 1] = 0;
            }
            ptr[0] = 'l';
            ptr[1] = 'd';
        } else {
            if ((ptr = strstr(cname, "mwc"))) {
                // this ptr2 seems redundant, but it's needed to generate the same code
                ptr2 = ptr + 2;
                memmove(ptr2 + 3, ptr2, strlen(ptr2));
                memcpy(ptr + 2, "Link", 4);
            }
        }

        if (!OS_FindProgram(cname, &linkerspec)) {
            ptr = cname;
            if (optsCompiler.linkerName[0]) {
                CLReportWarning(CLStr66, linkertype, optsCompiler.linkerName);
                CLReport(CLStr65, ptr, clState.programName);
            } else if (optsCmdLine.verbose) {
                CLReport(CLStr65, ptr, clState.programName);
            }
        } else {
            CLReportError(CLStr66, linkertype, linkername);
            return 0;
        }
    }

    ret = 1;
    SetupLinkerCommandLine(dropinflags, file, &args);
    args.argv[0] = xstrdup(OS_SpecToString(&linkerspec, STSbuf, sizeof(STSbuf)));
    args.argv[args.argc] = 0;

    if (optsCmdLine.verbose || optsCmdLine.dryRun) {
        CLPrint("\nCommand line:\n");
        for (x = 0; x < args.argc && args.argv[x]; x++) {
            if (strchr(args.argv[x], ' '))
                CLPrint("\"%s\" ", args.argv[x]);
            else
                CLPrint("%s ", args.argv[x]);
        }
        CLPrint("\n\n");
    }

    fflush(stdout);
    fflush(stderr);

    if (optsCmdLine.verbose)
        CLReport(CLStr67, linkertype, OS_SpecToString(&linkerspec, STSbuf, sizeof(STSbuf)));

    if (!optsCmdLine.dryRun) {
        execerr = OS_Execute(&linkerspec, args.argv, args.envp, stdoutfile, stderrfile, &exitcode);
        if (execerr) {
            CLReportError(CLStr68, linkertype, args.argv[0], OS_GetErrText(execerr));
            ret = 0;
        } else if (exitcode) {
            CLReportError(CLStr69, linkertype, args.argv[0], exitcode);
            ret = 0;
        }
    }

    FreeArgumentList(args.argv);
    FreeArgumentList(args.envp);

    return ret;
}