/**
* Call back method that must be called when the given <code>
* FormalParameterDeclaration</code> will become the next <i>traverse
* candidate</i>.
*
* @param pFormalParameterDeclaration The <code>FormalParameterDeclaration
* </code> object that will become the
* next <i>traverse candidate</i>.
*/
public void performAction(
FormalParameterDeclaration pFormalParameterDeclaration)
{
// Nothing to do.
}
/**
* Call back method that must be called as soon as the given <code>
* FormalParameterDeclaration</code> object has been traversed.
*
* @param pFormalParameterDeclaration The <code>FormalParameterDeclaration
* </code> object that has just been
* traversed.
*/
public void actionPerformed(
FormalParameterDeclaration pFormalParameterDeclaration)
{
// Nothing to do.
}
/**
* Replaces a certain parameter declaration by a new one stated as string.
*
* @param pOldParameterDeclaration The parameter declaration that should be
* replaced.
* @param pNewParameterDeclaration The new parameter declaration.
*
* @ if the stated old parameter doesn't
* exist or if parsing the new parameter
* declaration fails.
* __TEST__
*/
public void replaceFormalParameter(
FormalParameterDeclaration pOldParameterDeclaration,
String pNewParameterDeclaration)
{
// Because it's not clear if the stated new formal parameter states a
// standard parameter or a VarArg parameter simulate a parameter list
// containing just one parameter.
StringBuilder sb = new StringBuilder();
sb.Append('(').Append(pNewParameterDeclaration).Append(')');
List<String> errorMessages = new List<String>();
AST2FormalParameterDeclaration newParamDecl = null;
try
{
AST2FormalParameterList paramList =
getUnmarshaller().unmarshalAST2FormalParameterList(
sb.ToString(), errorMessages);
// TODO After implementation of adding JSOMs to JSOMs:
// Check if error messages have been emitted by the parser.
if (paramList != null)
{
paramList.resolveFormalParameterDeclarations();
if (paramList.mParams != null
&& paramList.mParams.Count == 1)
{
newParamDecl = paramList.mParams[0];
}
}
}
catch (JSourceUnmarshallerException jsue)
{
// TODO After implementation of adding JSOMs to JSOMs:
// Replace message by an internationalized message.
throw new JSourceObjectizerException(
"Parsing the formal parameter '" +
pNewParameterDeclaration + "' failed.", jsue);
}
if (newParamDecl != null)
{
List<FormalParameterDeclaration> formalParamDecls =
getFormalParameterDeclarations();
int offset = -1;
if (formalParamDecls != null)
{
offset = mParams.IndexOf((AST2FormalParameterDeclaration)pOldParameterDeclaration);
}
if (offset >= 0)
{
AST2FormalParameterDeclaration oldParamDecl = mParams[offset];
mParams[offset] = newParamDecl;
getTreeNode().SetChild(offset, newParamDecl.getTreeNode());
ITree oldParamDeclTree = oldParamDecl.getTreeNode();
getTokenRewriteStream().Replace(
oldParamDeclTree.TokenStartIndex,
oldParamDeclTree.TokenStopIndex,
pNewParameterDeclaration);
}
else
{
// TODO After implementation of adding JSOMs to JSOMs:
// Replace message by an internationalized message.
throw new JSourceObjectizerException(
"The old parameter '" +
pOldParameterDeclaration.getMarshaller().ToString() +
"' passed as argument doesn't belong to the " +
"parameter list.");
}
}
else
{
// TODO After implementation of adding JSOMs to JSOMs:
// Replace message by an internationalized message.
throw new JSourceObjectizerException(
"Unmarshalling the new formal parameter '" +
pNewParameterDeclaration + "' failed.");
}
}
