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Mantis#1753. Thank you kindly, Kinoc for a patch that:

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Brings Yield Prolog up to date with sourceforge version 0.9.10
Patched applies to both DotNet and XEngine.
This commit is contained in:
Charles Krinke
2008-07-16 01:00:40 +00:00
parent 2f46ab5096
commit 620f7926f3
14 changed files with 5367 additions and 2550 deletions
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118
OpenSim/Region/ScriptEngine/DotNetEngine/Compiler/YieldProlog/PrologException.cs
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@@ -1,20 +1,20 @@
/*
* Copyright (C) 2007-2008, Jeff Thompson
*
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software
* * Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
@@ -43,7 +43,6 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine.Compiler.YieldProlog
/// Create a PrologException with the given Term. The printable exception message is the full Term.
/// </summary>
/// <param name="Term">the term of the exception</param>
/// </param>
public PrologException(object Term)
: base(YP.getValue(Term).ToString())
{
@@ -54,18 +53,107 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine.Compiler.YieldProlog
/// Create a PrologException where the Term is error(ErrorTerm, Message).
/// This uses YP.makeCopy to copy the ErrorTerm and Message so that they are valid after unbinding.
/// </summary>
/// <param name="ErrorTerm">the term of the exception</param>
/// <param name="Messsage">the message, converted to a string, to use as the printable exception message
/// <param name="ErrorTerm">the error term of the error</param>
/// <param name="Messsage">the message term of the error. If this is a string, it is converted to an
/// Atom so it can be used by Prolog code.
/// Message, converted to a string, is use as the printable exception message.
/// </param>
public PrologException(object ErrorTerm, object Message)
: base(YP.getValue(Message).ToString())
{
if (Message is string)
Message = Atom.a((string)Message);
_term = YP.makeCopy(new Functor2(Atom.a("error"), ErrorTerm, Message), new Variable.CopyStore());
}
public object Term
public class TypeErrorInfo
{
get { return _term; }
public readonly Atom _Type;
public readonly object _Culprit;
public readonly object _Message;
public TypeErrorInfo(Atom Type, object Culprit, object Message)
{
_Type = Type;
_Culprit = Culprit;
_Message = Message;
}
}
/// <summary>
/// Return the TypeErrorInfo for this exception, or null if _term does not match
/// error(type_error(Type, Culprit), Message).
/// </summary>
/// <returns></returns>
public TypeErrorInfo getTypeErrorInfo()
{
if (!(_term is Functor2 && ((Functor2)_term)._name._name == "error"))
return null;
object errorTerm = ((Functor2)_term)._arg1;
if (!(errorTerm is Functor2 && ((Functor2)errorTerm)._name._name == "type_error"))
return null;
if (!(((Functor2)errorTerm)._arg1 is Atom))
return null;
return new TypeErrorInfo
((Atom)((Functor2)errorTerm)._arg1, ((Functor2)errorTerm)._arg2, ((Functor2)_term)._arg2);
}
public class ExistenceErrorInfo
{
public readonly Atom _Type;
public readonly object _Culprit;
public readonly object _Message;
public ExistenceErrorInfo(Atom Type, object Culprit, object Message)
{
_Type = Type;
_Culprit = Culprit;
_Message = Message;
}
/// <summary>
/// If _Type is procedure and _Culprit is name/artity, return the name. Otherwise return null.
/// </summary>
/// <returns></returns>
public object getProcedureName()
{
if (!(_Type._name == "procedure" &&
_Culprit is Functor2 && ((Functor2)_Culprit)._name == Atom.SLASH))
return null;
return ((Functor2)_Culprit)._arg1;
}
/// <summary>
/// If _Type is procedure and _Culprit is name/arity and arity is an integer, return the arity.
/// Otherwise return -1.
/// </summary>
/// <returns></returns>
public int getProcedureArity()
{
if (!(_Type._name == "procedure" &&
_Culprit is Functor2 && ((Functor2)_Culprit)._name == Atom.SLASH))
return -1;
if (!(((Functor2)_Culprit)._arg2 is int))
return -1;
return (int)((Functor2)_Culprit)._arg2;
}
}
/// <summary>
/// Return the ExistenceErrorInfo for this exception, or null if _term does not match
/// error(existence_error(Type, Culprit), Message). If the returned ExistenceErrorInfo _Culprit is
/// procedure, you can use its getProcedureName and getProcedureArity.
/// </summary>
/// <returns></returns>
public ExistenceErrorInfo getExistenceErrorInfo()
{
if (!(_term is Functor2 && ((Functor2)_term)._name._name == "error"))
return null;
object errorTerm = ((Functor2)_term)._arg1;
if (!(errorTerm is Functor2 && ((Functor2)errorTerm)._name._name == "existence_error"))
return null;
if (!(((Functor2)errorTerm)._arg1 is Atom))
return null;
return new ExistenceErrorInfo
((Atom)((Functor2)errorTerm)._arg1, ((Functor2)errorTerm)._arg2, ((Functor2)_term)._arg2);
}
}
}