public override void eventuallyDispose()
{
if ( deleted )
{
return;
}
deleted = true;
if ( nestLevel > 0 )
{
//-- TODO -- Determine why this is an error throw new TclRuntimeError("dispose() called with active evals");
}
// Remove our association with the notifer (if we had one).
if ( notifier != null )
{
notifier.release();
notifier = null;
}
// Dismantle everything in the global namespace except for the
// "errorInfo" and "errorCode" variables. These might be needed
// later on if errors occur while deleting commands. We are careful
// to destroy and recreate the "errorInfo" and "errorCode"
// variables, in case they had any traces on them.
//
// Dismantle the namespace here, before we clear the assocData. If any
// background errors occur here, they will be deleted below.
// FIXME : check impl of TclTeardownNamespace
NamespaceCmd.teardownNamespace( globalNs );
// Delete all variables.
TclObject errorInfoObj = null, errorCodeObj = null;
try
{
errorInfoObj = getVar( "errorInfo", null, TCL.VarFlag.GLOBAL_ONLY );
}
catch ( TclException e )
{
// Do nothing when var does not exist.
}
if ( errorInfoObj != null )
{
errorInfoObj.preserve();
}
try
{
errorCodeObj = getVar( "errorCode", null, TCL.VarFlag.GLOBAL_ONLY );
}
catch ( TclException e )
{
// Do nothing when var does not exist.
}
if ( errorCodeObj != null )
{
errorCodeObj.preserve();
}
frame = null;
varFrame = null;
try
{
if ( errorInfoObj != null )
{
setVar( "errorInfo", null, errorInfoObj, TCL.VarFlag.GLOBAL_ONLY );
errorInfoObj.release();
}
if ( errorCodeObj != null )
{
setVar( "errorCode", null, errorCodeObj, TCL.VarFlag.GLOBAL_ONLY );
errorCodeObj.release();
}
}
catch ( TclException e )
{
// Ignore it -- same behavior as Tcl 8.0.
}
// Tear down the math function table.
expr = null;
// Remove all the assoc data tied to this interp and invoke
// deletion callbacks; note that a callback can create new
// callbacks, so we iterate.
// ATK The java code was somethink strong
if ( assocData != null )
{
foreach ( AssocData data in assocData.Values )
{
data.disposeAssocData( this );
}
assocData.Clear();
}
// Close any remaining channels
for ( IDictionaryEnumerator e = interpChanTable.GetEnumerator(); e.MoveNext(); )
{
Object key = e.Key;
Channel chan = (Channel)e.Value;
try
{
chan.close();
}
catch ( IOException ex )
{
// Ignore any IO errors
}
}
// Finish deleting the global namespace.
// FIXME : check impl of Tcl_DeleteNamespace
NamespaceCmd.deleteNamespace( globalNs );
globalNs = null;
// Free up the result *after* deleting variables, since variable
// deletion could have transferred ownership of the result string
// to Tcl.
frame = null;
varFrame = null;
resolvers = null;
resetResult();
}
public Interp()
{
InitBlock();
//freeProc = null;
errorLine = 0;
// An empty result is used pretty often. We will use a shared
// TclObject instance to represent the empty result so that we
// don't need to create a new TclObject instance every time the
// interpreter result is set to empty.
m_nullResult = TclString.newInstance( "" );
m_nullResult.preserve(); // Increment refCount to 1
m_nullResult.preserve(); // Increment refCount to 2 (shared)
m_result = TclString.newInstance( "" ); //m_nullResult; // correcponds to iPtr->objResultPtr
m_result.preserve();
expr = new Expression();
nestLevel = 0;
maxNestingDepth = 1000;
frame = null;
varFrame = null;
returnCode = TCL.CompletionCode.OK;
errorInfo = null;
errorCode = null;
packageTable = new Hashtable();
packageUnknown = null;
cmdCount = 0;
termOffset = 0;
resolvers = null;
evalFlags = 0;
scriptFile = null;
flags = 0;
isSafe = false;
assocData = null;
globalNs = null; // force creation of global ns below
globalNs = NamespaceCmd.createNamespace( this, null, null );
if ( globalNs == null )
{
throw new TclRuntimeError( "Interp(): can't create global namespace" );
}
// Init things that are specific to the Jacl implementation
workingDir = new FileInfo( System.Environment.CurrentDirectory );
noEval = 0;
notifier = Notifier.getNotifierForThread( System.Threading.Thread.CurrentThread );
notifier.preserve();
randSeedInit = false;
deleted = false;
errInProgress = false;
errAlreadyLogged = false;
errCodeSet = false;
dbg = initDebugInfo();
slaveTable = new Hashtable();
targetTable = new Hashtable();
aliasTable = new Hashtable();
// init parser variables
Parser.init( this );
TclParse.init( this );
// Initialize the Global (static) channel table and the local
// interp channel table.
interpChanTable = TclIO.getInterpChanTable( this );
// Sets up the variable trace for tcl_precision.
Util.setupPrecisionTrace( this );
// Create the built-in commands.
createCommands();
try
{
// Set up tcl_platform, tcl_version, tcl_library and other
// global variables.
setVar( "tcl_platform", "platform", "windows", TCL.VarFlag.GLOBAL_ONLY );
setVar( "tcl_platform", "byteOrder", "bigEndian", TCL.VarFlag.GLOBAL_ONLY );
setVar( "tcl_platform", "os", Environment.OSVersion.Platform.ToString(), TCL.VarFlag.GLOBAL_ONLY );
setVar( "tcl_platform", "osVersion", Environment.OSVersion.Version.ToString(), TCL.VarFlag.GLOBAL_ONLY );
setVar( "tcl_platform", "machine", Util.tryGetSystemProperty( "os.arch", "?" ), TCL.VarFlag.GLOBAL_ONLY );
setVar( "tcl_version", TCL_VERSION, TCL.VarFlag.GLOBAL_ONLY );
setVar( "tcl_patchLevel", TCL_PATCH_LEVEL, TCL.VarFlag.GLOBAL_ONLY );
setVar( "tcl_library", "resource:/tcl/lang/library", TCL.VarFlag.GLOBAL_ONLY );
if ( Util.Windows )
{
setVar( "tcl_platform", "host_platform", "windows", TCL.VarFlag.GLOBAL_ONLY );
}
else if ( Util.Mac )
{
setVar( "tcl_platform", "host_platform", "macintosh", TCL.VarFlag.GLOBAL_ONLY );
}
else
{
setVar( "tcl_platform", "host_platform", "unix", TCL.VarFlag.GLOBAL_ONLY );
}
// Create the env array an populated it with proper
// values.
Env.initialize( this );
// Register Tcl's version number. Note: This MUST be
// done before the call to evalResource, otherwise
// calls to "package require tcl" will fail.
pkgProvide( "Tcl", TCL_VERSION );
// Source the init.tcl script to initialize auto-loading.
evalResource( "/tcl/lang/library/init.tcl" );
}
catch ( TclException e )
{
System.Diagnostics.Debug.WriteLine( getResult().ToString() );
SupportClass.WriteStackTrace( e, Console.Error );
throw new TclRuntimeError( "unexpected TclException: " + e.Message, e );
}
}