private void createChanges(final TextFileChange change, final SubMonitor progress)
throws BadLocationException, CoreException {
fSourceUnit.connect(progress.newChild(1));
try {
final AbstractDocument document = fSourceUnit.getDocument(progress.newChild(1));
final RCodeStyleSettings codeStyle = RRefactoringAdapter.getCodeStyle(fSourceUnit);
RAstNode firstParentChild = (RAstNode) fFunction.getAdapter(IAstNode.class);
while (true) {
final RAstNode parent = firstParentChild.getRParent();
if (parent == null
|| parent.getNodeType() == NodeType.SOURCELINES
|| parent.getNodeType() == NodeType.BLOCK) {
break;
}
firstParentChild = parent;
}
final IRegion region = fAdapter.expandWhitespaceBlock(document, fOperationRegion);
final int insertOffset =
fAdapter
.expandWhitespaceBlock(
document,
fAdapter.expandSelectionRegion(
document, new Region(firstParentChild.getOffset(), 0), fOperationRegion))
.getOffset();
final FDef fdefNode = (FDef) fFunction.getAdapter(FDef.class);
final IRegion fbodyRegion =
fAdapter.expandWhitespaceBlock(
document,
fAdapter.expandSelectionRegion(document, fdefNode.getContChild(), fOperationRegion));
TextChangeCompatibility.addTextEdit(
change,
Messages.FunctionToS4Method_Changes_DeleteOld_name,
new DeleteEdit(region.getOffset(), region.getLength()));
final String nl = document.getDefaultLineDelimiter();
final String argAssign = codeStyle.getArgAssignString();
final StringBuilder sb = new StringBuilder();
sb.append("setGeneric(\""); // $NON-NLS-1$
sb.append(fFunctionName);
sb.append("\","); // $NON-NLS-1$
sb.append(nl);
sb.append("function("); // $NON-NLS-1$
boolean dots = false;
for (final Variable variable : fVariablesList) {
if (variable.getName().equals(RTerminal.S_ELLIPSIS)) {
dots = true;
}
if (variable.getUseAsGenericArgument()) {
sb.append(
RElementName.create(RElementName.MAIN_DEFAULT, variable.getName()).getDisplayName());
sb.append(", "); // $NON-NLS-1$
}
}
if (!dots) {
sb.append("..., "); // $NON-NLS-1$
}
sb.delete(sb.length() - 2, sb.length());
sb.append(')');
if (codeStyle.getNewlineFDefBodyBlockBefore()) {
sb.append(nl);
} else {
sb.append(' ');
}
sb.append('{');
sb.append(nl);
sb.append("standardGeneric(\""); // $NON-NLS-1$
sb.append(fFunctionName);
sb.append("\")"); // $NON-NLS-1$
sb.append(nl);
sb.append("})"); // $NON-NLS-1$
sb.append(nl);
sb.append(nl);
final String genericDef =
RRefactoringAdapter.indent(sb, document, firstParentChild.getOffset(), fSourceUnit);
TextChangeCompatibility.addTextEdit(
change,
Messages.FunctionToS4Method_Changes_AddGenericDef_name,
new InsertEdit(insertOffset, genericDef));
sb.setLength(0);
sb.append("setMethod(\""); // $NON-NLS-1$
sb.append(fFunctionName);
sb.append("\","); // $NON-NLS-1$
sb.append(nl);
sb.append("signature("); // $NON-NLS-1$
boolean hasType = false;
for (final Variable variable : fVariablesList) {
if (variable.getUseAsGenericArgument() && variable.getArgumentType() != null) {
hasType = true;
sb.append(
RElementName.create(RElementName.MAIN_DEFAULT, variable.getName()).getDisplayName());
sb.append(argAssign);
sb.append("\""); // $NON-NLS-1$
sb.append(variable.getArgumentType());
sb.append("\", "); // $NON-NLS-1$
}
}
if (hasType) {
sb.delete(sb.length() - 2, sb.length());
}
sb.append("),"); // $NON-NLS-1$
sb.append(nl);
sb.append("function("); // $NON-NLS-1$
final FDef.Args argsNode = fdefNode.getArgsChild();
for (final Variable variable : fVariablesList) {
sb.append(
RElementName.create(RElementName.MAIN_DEFAULT, variable.getName()).getDisplayName());
final FDef.Arg argNode = argsNode.getChild(variable.fArg.index);
if (argNode.hasDefault()) {
sb.append(argAssign);
sb.append(
document.get(
argNode.getDefaultChild().getOffset(), argNode.getDefaultChild().getLength()));
}
sb.append(", "); // $NON-NLS-1$
}
if (!fVariablesList.isEmpty()) {
sb.delete(sb.length() - 2, sb.length());
}
sb.append(')');
if (codeStyle.getNewlineFDefBodyBlockBefore()
|| fdefNode.getContChild().getNodeType() != NodeType.BLOCK) {
sb.append(nl);
} else {
sb.append(' ');
}
sb.append(document.get(fbodyRegion.getOffset(), fbodyRegion.getLength()).trim());
sb.append(")"); // $NON-NLS-1$
sb.append(nl);
final String methodDef =
RRefactoringAdapter.indent(sb, document, firstParentChild.getOffset(), fSourceUnit);
TextChangeCompatibility.addTextEdit(
change,
Messages.FunctionToS4Method_Changes_AddMethodDef_name,
new InsertEdit(insertOffset, methodDef));
} finally {
fSourceUnit.disconnect(progress.newChild(1));
}
}
@Override
protected IElementName createElementName() {
return RElementName.create(RElementName.RESOURCE, getResource().getName());
}