internal static Concr FromPtr(PGF g, IntPtr ptr)
{
var concr = new Concr();
concr.PGF = g;
concr.Ptr = ptr;
return(concr);
}
/// <summary>
/// Reads a grammar with the specified file path.
/// </summary>
/// <param name="fn">The path to the file.</param>
/// <returns>an object representing the grammar in memory.</returns>
public static PGF ReadPGF(string fn)
{
var obj = new PGF();
var exn = new NativeGU.NativeExceptionContext(new NativeGU.NativeMemoryPool());
obj.pool = new NativeGU.NativeMemoryPool();
obj._ptr = Native.pgf_read(fn, obj.pool.Ptr, exn.Ptr);
if (exn.IsRaised)
{
throw new PGFError($"Could not read PGF from file {fn}. ({System.IO.Directory.GetCurrentDirectory()})");
}
return(obj);
}
public GrammarEmbedding(PGF gr)
{
this.gr = gr;
}