public void clear() throws CoreException {
ICPPUsingDirective[] directives = getUsingDirectives();
for (ICPPUsingDirective ud : directives) {
if (ud instanceof IPDOMNode) {
((IPDOMNode) ud).delete(null);
}
}
setLastUsingDirective(0);
// Remove the includes
PDOMInclude include = getFirstInclude();
while (include != null) {
PDOMInclude nextInclude = include.getNextInIncludes();
// if (contextsRemoved != null && include.getPrevInIncludedByRecord() == 0) {
// contextsRemoved.add(include.getIncludesLocation());
// }
include.delete();
include = nextInclude;
}
setFirstInclude(null);
// Delete all the macros in this file
PDOMLinkage linkage = getLinkage();
PDOMMacro macro = getFirstMacro();
while (macro != null) {
PDOMMacro nextMacro = macro.getNextMacro();
macro.delete(linkage);
macro = nextMacro;
}
setFirstMacro(null);
// Delete all the names in this file
ArrayList<PDOMName> names = new ArrayList<PDOMName>();
PDOMName name = getFirstName();
while (name != null) {
names.add(name);
linkage.onDeleteName(name);
name = name.getNextInFile();
}
for (Iterator<PDOMName> iterator = names.iterator(); iterator.hasNext(); ) {
name = iterator.next();
name.delete();
}
setFirstName(null);
// Delete all macro references
ArrayList<PDOMMacroReferenceName> mrefs = new ArrayList<PDOMMacroReferenceName>();
PDOMMacroReferenceName mref = getFirstMacroReference();
while (mref != null) {
mrefs.add(mref);
mref = mref.getNextInFile();
}
for (PDOMMacroReferenceName m : mrefs) {
m.delete();
}
setFirstMacroReference(null);
setSourceReadTime(0);
setTimestamp(-1);
}
/**
* Transfers names, macros and includes from another file to this one and deletes the other file.
*
* @param sourceFile the file to transfer the local bindings from.
* @throws CoreException
*/
public void replaceContentsFrom(PDOMFile sourceFile) throws CoreException {
// Delete current content
clear();
// Link in the using directives
setLastUsingDirective(sourceFile.getLastUsingDirectiveRec());
// Link in the includes, replace the owner.
PDOMInclude include = sourceFile.getFirstInclude();
setFirstInclude(include);
for (; include != null; include = include.getNextInIncludes()) {
include.setIncludedBy(this);
}
// In the unexpected case that there is an included by relation, append it.
transferIncluders(sourceFile);
// Link in the macros.
PDOMMacro macro = sourceFile.getFirstMacro();
setFirstMacro(macro);
for (; macro != null; macro = macro.getNextMacro()) {
macro.setFile(this);
}
// Link in macro references
PDOMMacroReferenceName mref = sourceFile.getFirstMacroReference();
setFirstMacroReference(mref);
for (; mref != null; mref = mref.getNextInFile()) {
mref.setFile(this);
}
// Replace all the names in this file
PDOMName name = sourceFile.getFirstName();
setFirstName(name);
for (; name != null; name = name.getNextInFile()) {
name.setFile(this);
}
setTimestamp(sourceFile.getTimestamp());
setSourceReadTime(sourceFile.getSourceReadTime());
setSizeAndEncodingHashcode(sourceFile.getSizeAndEncodingHashcode());
setContentsHash(sourceFile.getContentsHash());
// Transfer the flags.
Database db = fLinkage.getDB();
db.putByte(record + FLAGS, db.getByte(sourceFile.record + FLAGS));
// Transfer the replacement header.
db.putRecPtr(record + REPLACEMENT_HEADER, db.getRecPtr(sourceFile.record + REPLACEMENT_HEADER));
db.putRecPtr(sourceFile.record + REPLACEMENT_HEADER, 0);
// Delete the source file
sourceFile.delete();
}