PPMacro *FindPPMacro(const String& id, Index<int>& segment_id, int& segmenti)
{
Index<int> undef;
PPMacro *r;
int best;
for(int pass = 0; pass < 2; pass++) {
r = NULL;
best = segmenti;
int line = -1;
int q = sAllMacros.Find(id);
while(q >= 0) {
PPMacro& m = sAllMacros[q];
if(m.macro.IsUndef()) {
if(pass == 0 && segment_id.Find(m.segment_id) >= 0)
undef.FindAdd(m.segment_id); // cancel out undefined macro...
}
else
if(pass == 0 || m.segment_id == 0 || undef.Find(m.undef_segment_id) < 0) {
int si = m.segment_id == 0 ? INT_MAX : segment_id.Find(m.segment_id); // defs macros always override
if(si > best || si >= 0 && si == best && m.line > line) {
best = si;
line = m.line;
r = &m;
}
}
q = sAllMacros.FindNext(q);
}
if(undef.GetCount() == 0)
break;
}
segmenti = best;
return r;
}
void GetAllMacros(Md5Stream& md5, const String& id, Index<int>& segment_id)
{
Vector< Tuple2<int, int> > pos;
Vector<const CppMacro *> def;
String r;
int q = sAllMacros.Find(id);
while(q >= 0) {
const PPMacro& m = sAllMacros[q];
int si = segment_id.Find(m.segment_id);
if(si >= 0) {
pos.Add(MakeTuple(si, m.line));
def.Add(&m.macro);
}
q = sAllMacros.FindNext(q);
}
IndexSort(pos, def);
int n = def.GetCount();
if(n) {
md5.Put(&n, sizeof(int));
md5.Put(id);
for(int i = 0; i < n; i++)
md5.Put(def[i]->md5, 16);
}
}