EXPRESSION_FLAGS FAST_ERRORCODE FAST_ERRORINFO FOR_TEST_USE_ONLY \
        HAVE_SIZEOF HISTORY IA64 INTERACTIVE_COMMANDS INTERNALS_VISIBLE_TO \
        ISOLATED_INTERPRETERS ISOLATED_PLUGINS LIBRARY LICENSING \
        LICENSE_MANAGER LIMITED_EDITION LIST_CACHE MONO MONO_BUILD MONO_HACKS \
        MONO_LEGACY NATIVE NATIVE_PACKAGE NATIVE_THREAD_ID NATIVE_UTILITY \
        NATIVE_UTILITY_BSTR NETWORK NET_20 NET_20_FAST_ENUM NET_20_ONLY \
        NET_20_SP1 NET_20_SP2 NET_30 NET_35 NET_40 NET_45 NET_451 NET_452 \
        NET_46 NET_461 NET_462 NET_47 NET_471 NET_STANDARD_20 \
        NON_WORKING_CODE NOTIFY NOTIFY_ACTIVE NOTIFY_ARGUMENTS \
        NOTIFY_EXCEPTION NOTIFY_EXECUTE NOTIFY_EXPRESSION NOTIFY_GLOBAL \
        NOTIFY_OBJECT OBSOLETE OBFUSCATION OFFICIAL PARSE_CACHE PATCHLEVEL \
        PLUGIN_COMMANDS POLICY_TRACE PREVIOUS_RESULT RANDOMIZE_ID REMOTING \
        RESULT_LIMITS SAMPLE SECURITY SERIALIZATION SHARED_ID_POOL SHELL \
        SOURCE_ID SOURCE_TIMESTAMP STATIC TCL TCL_KITS TCL_THREADED \
        TCL_THREADS TCL_UNICODE TCL_WRAPPER TEST TEST_PLUGIN THREADING \
................................................................................
    #
    # NOTE: Search for matching directories based on the globally detected
    #       library path associated with the current core library.
    #
    if {[info exists ::core_lib_path] && \
        [string length $::core_lib_path] > 0} then {
      #





      # NOTE: Grab all directories that are directly beneath the detected
      #       library path, if any.
      #
      foreach directory [glob \
          -nocomplain -types {d} -- [file join $::core_lib_path *]] {
        #
        # NOTE: If the caller specified a (plugin) name to match against,
        #       make sure it matches; otherwise, skip this directory.
        #
        if {[string length $name] > 0 && \
            ![string match $name [file tail $directory]]} then {
          continue
        }

        #
        # NOTE: Find directories beneath the current candidate directory
        #       that are .NET Core output directories.
        #
        set directories [glob \
            -nocomplain -types {d} -- [file join $directory net*]]

        #
        # NOTE: If there is at least one match, we are done.  Return the
        #       final path segment of the directory name to the caller.
        #
        if {[llength $directories] > 0} then {
          return [file tail [lindex $directories 0]]

        }
      }
    }

    #
    # NOTE: There was no match, just return something obviously invalid.
    #
................................................................................
      #
      if {$match} then {
        #
        # NOTE: We are running in Eagle via the EagleShell.
        #
        addConstraint shell
        addConstraint [appendArgs shell. $name]


        tputs $channel "yes (Eagle)\n"

        #
        # NOTE: We are done here, return now.
        #
        return
................................................................................
    } else {
      if {[string match tclsh* $name]} then {
        #
        # NOTE: We are running in Tcl via tclsh.
        #
        addConstraint shell
        addConstraint [appendArgs shell. $name]


        tputs $channel "yes (Tcl)\n"

        #
        # NOTE: We are done here, return now.
        #
        return
................................................................................
      #
      if {[isTestDotNetCore]} then {
        #
        # NOTE: Yes, it appears that we are running on .NET Core.
        #
        addConstraint dotNetCore; # running on .NET Core.
        addConstraint dotNetOrDotNetCore


        #
        # NOTE: We do not want to skip Mono bugs on .NET Core.
        #
        addKnownMonoConstraints true; # running on .NET Core.

        tputs $channel [appendArgs [expr {[info exists \
................................................................................

    #
    # NOTE: We need several of our test constraint related commands in the
    #       global namespace.
    #
    exportAndImportPackageCommands [namespace current] [list \
        getKnownBuildTypes getKnownCompileOptions getKnownMonoVersions \

        addKnownMonoConstraints lpermute alwaysFullInterpReady canExecComSpec \
        canExecWhoAmI canExecTclShell canExecFossil canExecVsWhere isTestMono \
        isTestDotNetCore isTestAdministrator canPing cleanConstraintName \
        cleanPackageName haveTclPlatformOsExtraUpdateName \
        checkForTestSuiteFiles checkForPlatform checkForWindowsVersion \
        checkForOperatingSystemUpdate checkForScriptLibrary checkForVariable \
        checkForTclOptions checkForWindowsCommandProcessor checkForPackage \
        checkForFossil checkForVisualStudioViaVsWhere checkForEagle \
        checkForSymbols checkForLogFile checkForGaruda checkForShell \

        EXPRESSION_FLAGS FAST_ERRORCODE FAST_ERRORINFO FOR_TEST_USE_ONLY \
        HAVE_SIZEOF HISTORY IA64 INTERACTIVE_COMMANDS INTERNALS_VISIBLE_TO \
        ISOLATED_INTERPRETERS ISOLATED_PLUGINS LIBRARY LICENSING \
        LICENSE_MANAGER LIMITED_EDITION LIST_CACHE MONO MONO_BUILD MONO_HACKS \
        MONO_LEGACY NATIVE NATIVE_PACKAGE NATIVE_THREAD_ID NATIVE_UTILITY \
        NATIVE_UTILITY_BSTR NETWORK NET_20 NET_20_FAST_ENUM NET_20_ONLY \
        NET_20_SP1 NET_20_SP2 NET_30 NET_35 NET_40 NET_45 NET_451 NET_452 \
        NET_46 NET_461 NET_462 NET_47 NET_471 NET_CORE_20 NET_STANDARD_20 \
        NON_WORKING_CODE NOTIFY NOTIFY_ACTIVE NOTIFY_ARGUMENTS \
        NOTIFY_EXCEPTION NOTIFY_EXECUTE NOTIFY_EXPRESSION NOTIFY_GLOBAL \
        NOTIFY_OBJECT OBSOLETE OBFUSCATION OFFICIAL PARSE_CACHE PATCHLEVEL \
        PLUGIN_COMMANDS POLICY_TRACE PREVIOUS_RESULT RANDOMIZE_ID REMOTING \
        RESULT_LIMITS SAMPLE SECURITY SERIALIZATION SHARED_ID_POOL SHELL \
        SOURCE_ID SOURCE_TIMESTAMP STATIC TCL TCL_KITS TCL_THREADED \
        TCL_THREADS TCL_UNICODE TCL_WRAPPER TEST TEST_PLUGIN THREADING \
................................................................................
    #
    # NOTE: Search for matching directories based on the globally detected
    #       library path associated with the current core library.
    #
    if {[info exists ::core_lib_path] && \
        [string length $::core_lib_path] > 0} then {
      #
      # NOTE: Make sure the directory actually exists before trying to find
      #       things within it.
      #
      if {[file isdirectory $::core_lib_path]} then {
        #
        # NOTE: Grab all directories that are directly beneath the detected
        #       library path, if any.
        #
        foreach directory [glob \
            -nocomplain -types {d} -- [file join $::core_lib_path *]] {
          #
          # NOTE: If the caller specified a (plugin) name to match against,
          #       make sure it matches; otherwise, skip this directory.
          #
          if {[string length $name] > 0 && \
              ![string match $name [file tail $directory]]} then {
            continue
          }

          #
          # NOTE: Find directories beneath the current candidate directory
          #       that are .NET Core output directories.
          #
          set directories [glob \
              -nocomplain -types {d} -- [file join $directory net*]]

          #
          # NOTE: If there is at least one match, we are done.  Return the
          #       final path segment of the directory name to the caller.
          #
          if {[llength $directories] > 0} then {
            return [file tail [lindex $directories 0]]
          }
        }
      }
    }

    #
    # NOTE: There was no match, just return something obviously invalid.
    #
................................................................................
      #
      if {$match} then {
        #
        # NOTE: We are running in Eagle via the EagleShell.
        #
        addConstraint shell
        addConstraint [appendArgs shell. $name]
        addConstraint dotNetCoreOrShell

        tputs $channel "yes (Eagle)\n"

        #
        # NOTE: We are done here, return now.
        #
        return
................................................................................
    } else {
      if {[string match tclsh* $name]} then {
        #
        # NOTE: We are running in Tcl via tclsh.
        #
        addConstraint shell
        addConstraint [appendArgs shell. $name]
        addConstraint dotNetCoreOrShell

        tputs $channel "yes (Tcl)\n"

        #
        # NOTE: We are done here, return now.
        #
        return
................................................................................
      #
      if {[isTestDotNetCore]} then {
        #
        # NOTE: Yes, it appears that we are running on .NET Core.
        #
        addConstraint dotNetCore; # running on .NET Core.
        addConstraint dotNetOrDotNetCore
        addConstraint dotNetCoreOrShell

        #
        # NOTE: We do not want to skip Mono bugs on .NET Core.
        #
        addKnownMonoConstraints true; # running on .NET Core.

        tputs $channel [appendArgs [expr {[info exists \
................................................................................

    #
    # NOTE: We need several of our test constraint related commands in the
    #       global namespace.
    #
    exportAndImportPackageCommands [namespace current] [list \
        getKnownBuildTypes getKnownCompileOptions getKnownMonoVersions \
        addKnownMonoConstraints getDotNetCoreLibPathDirectoryNameOnly \
        lpermute alwaysFullInterpReady canExecComSpec canExecWhoAmI \
        canExecTclShell canExecFossil canExecVsWhere isTestMono \
        isTestDotNetCore isTestAdministrator canPing cleanConstraintName \
        cleanPackageName haveTclPlatformOsExtraUpdateName \
        checkForTestSuiteFiles checkForPlatform checkForWindowsVersion \
        checkForOperatingSystemUpdate checkForScriptLibrary checkForVariable \
        checkForTclOptions checkForWindowsCommandProcessor checkForPackage \
        checkForFossil checkForVisualStudioViaVsWhere checkForEagle \
        checkForSymbols checkForLogFile checkForGaruda checkForShell \