///////////////////////////////////////////////////////////////////////
#if APPDOMAINS || ISOLATED_INTERPRETERS || ISOLATED_PLUGINS
private static string GetBasePath(
Interpreter interpreter, /* OPTIONAL */
string packagePath,
ref Result error
)
{
//
// NOTE: Fetch the raw base directory for the currently executing
// application binary. It is now possible to override the
// value used here via the environment.
//
string path0 = AssemblyOps.GetAnchorPath();
if (path0 == null)
{
path0 = GlobalState.GetRawBinaryBasePath();
}
//
// NOTE: First, try to use the effective path to the core library
// assembly. This is used to verify that this candidate
// application domain base path contains the core library
// assembly somewhere underneath it.
//
string path1 = GetAssemblyPath();
if (PathOps.IsUnderPath(interpreter, path1, path0))
{
if ((packagePath == null) ||
PathOps.IsUnderPath(interpreter, packagePath, path0))
{
return(path0);
}
}
//
// NOTE: Second, try to use the raw base path for the assembly.
// This is used to verify that this candidate application
// domain base path contains the core library assembly
// somewhere underneath it.
//
string path2 = GlobalState.GetRawBasePath();
if (PathOps.IsUnderPath(interpreter, path1, path2))
{
if ((packagePath == null) ||
PathOps.IsUnderPath(interpreter, packagePath, path2))
{
return(path2);
}
}
//
// NOTE: At this point, we have failed to figure out a base path
// for the application domain to be created that actually
// contains the core library assembly.
//
error = String.Format(
"cannot determine usable base path for the new application " +
"domain for interpreter {0}, with the raw binary base path " +
"{1}, assembly path {2}, and raw base path {3}",
FormatOps.InterpreterNoThrow(interpreter),
FormatOps.DisplayPath(path0), FormatOps.DisplayPath(path1),
FormatOps.DisplayPath(path2));
return(null);
}