private static void mapLines(
TextBuffer code,
StructLineNumberTableAttribute table,
BytecodeMappingTracer tracer,
int startLine) {
// build line start offsets map
HashMap<Integer, Set<Integer>> lineStartOffsets = new HashMap<Integer, Set<Integer>>();
for (Map.Entry<Integer, Integer> entry : tracer.getMapping().entrySet()) {
Integer lineNumber = entry.getValue() - startLine;
Set<Integer> curr = lineStartOffsets.get(lineNumber);
if (curr == null) {
curr = new TreeSet<Integer>(); // requires natural sorting!
}
curr.add(entry.getKey());
lineStartOffsets.put(lineNumber, curr);
}
String lineSeparator = DecompilerContext.getNewLineSeparator();
StringBuilder text = code.getOriginalText();
int pos = text.indexOf(lineSeparator);
int lineNumber = 0;
while (pos != -1) {
Set<Integer> startOffsets = lineStartOffsets.get(lineNumber);
if (startOffsets != null) {
for (Integer offset : startOffsets) {
int number = table.findLineNumber(offset);
if (number >= 0) {
code.setLineMapping(number, pos);
break;
}
}
}
pos = text.indexOf(lineSeparator, pos + 1);
lineNumber++;
}
}
