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violet: initial implementation

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This commit is contained in:
Alex Coyte
2016-07-15 13:07:00 +10:00
committed by Matthew Barr
parent b13a90e5d2
commit 5c5ec905cc
31 changed files with 3171 additions and 201 deletions
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14
src/nfagraph/ng_split.cpp
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@@ -100,7 +100,12 @@ void splitLHS(const NGHolder &base, const vector<NFAVertex> &pivots,
add_edge((*lhs_map)[pivot], lhs->accept, *lhs);
}
pruneUseless(*lhs);
/* should do the renumbering unconditionally as we know edges are already
* misnumbered */
pruneUseless(*lhs, false);
renumber_edges(*lhs);
renumber_vertices(*lhs);
filterSplitMap(*lhs, lhs_map);
switch (base.kind) {
@@ -148,7 +153,12 @@ void splitRHS(const NGHolder &base, const vector<NFAVertex> &pivots,
assert(contains(*rhs_map, pivot));
add_edge(rhs->start, (*rhs_map)[pivot], *rhs);
}
pruneUseless(*rhs);
/* should do the renumbering unconditionally as we know edges are already
* misnumbered */
pruneUseless(*rhs, false);
renumber_edges(*rhs);
renumber_vertices(*rhs);
filterSplitMap(*rhs, rhs_map);
switch (base.kind) {