1 /* "CodeWorker":	a scripting language for parsing and generating text.
2 
3 Copyright (C) 1996-1997, 1999-2002 C�dric Lemaire
4 
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9 
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13 Lesser General Public License for more details.
14 
15 You should have received a copy of the GNU Lesser General Public
16 License along with this library; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18 
19 To contact the author: codeworker@free.fr
20 */
21 
22 #ifdef WIN32
23 #pragma warning (disable : 4786)
24 #endif
25 
26 #include "UtlException.h"
27 #include "DtaScriptVariable.h"
28 #include "ExprScriptVariable.h"
29 #include "ScpStream.h"
30 #include "CppCompilerEnvironment.h"
31 #include "GrfReference.h"
32 
33 namespace CodeWorker {
~GrfReference()34 	GrfReference::~GrfReference() {
35 		if (_pVariable != NULL) delete _pVariable;
36 		if (_pReference != NULL) delete _pReference;
37 	}
38 
executeInternal(DtaScriptVariable & visibility)39 	SEQUENCE_INTERRUPTION_LIST GrfReference::executeInternal(DtaScriptVariable& visibility) {
40 		DtaScriptVariable* pVariable = visibility.getVariableForReferenceAssignment(*_pVariable);
41 		DtaScriptVariable* pReference = visibility.getExistingVariable(*_pReference);
42 		if (pReference == NULL) {
43 			std::string sCompleteName = pVariable->getCompleteName();
44 			std::string sExpression = _pReference->toString();
45 			throw UtlException("runtime error: can't refer to a variable that doesn't exist, see 'ref " + sCompleteName + " = " + sExpression + ";'");
46 		}
47 		if (pVariable != pReference) pVariable->setValue(pReference);
48 		return NO_INTERRUPTION;
49 	}
50 
compileCpp(CppCompilerEnvironment & theCompilerEnvironment) const51 	void GrfReference::compileCpp(CppCompilerEnvironment& theCompilerEnvironment) const {
52 		CW_BODY_INDENT;
53 		_pVariable->compileCppForSet(theCompilerEnvironment);
54 		CW_BODY_STREAM << ".setReference(";
55 		_pReference->compileCpp(theCompilerEnvironment);
56 		CW_BODY_STREAM << ");";
57 		CW_BODY_ENDL;
58 	}
59 }
60