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ng_violet: iterate in edge order

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This commit is contained in:
Justin Viiret 2016-07-21 12:57:12 +10:00 committed by Matthew Barr
parent 55c2d20e2c
commit 63528f1cd2
1 changed files with 10 additions and 4 deletions
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12
src/nfagraph/ng_violet.cpp
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@ -1622,6 +1622,7 @@ void removeRedundantLiteralsFromInfix(const NGHolder &h, RoseInGraph &ig,
static
void removeRedundantLiteralsFromInfixes(RoseInGraph &g,
const CompileContext &cc) {
vector<NGHolder *> seen_order;
map<NGHolder *, vector<RoseInEdge>> infixes;
for (const RoseInEdge &e : edges_range(g)) {
@ -1637,11 +1638,16 @@ void removeRedundantLiteralsFromInfixes(RoseInGraph &g,
}
assert(!g[t].delay);
infixes[&*g[e].graph].push_back(e);
NGHolder *h = g[e].graph.get();
if (!contains(infixes, h)) {
seen_order.push_back(h);
}
infixes[h].push_back(e);
}
for (const auto &info : infixes) {
removeRedundantLiteralsFromInfix(*info.first, g, info.second, cc);
for (NGHolder *h : seen_order) {
removeRedundantLiteralsFromInfix(*h, g, infixes[h], cc);
}
}