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rose: Use an interpreter for role runtime

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Replace much of the RoseRole structure with an interpreted program,
simplifying the Rose runtime and making it much more flexible.
This commit is contained in:
Justin Viiret
2015-11-19 09:32:05 +11:00
committed by Matthew Barr
parent a7d8dafb71
commit 9cb2233589
14 changed files with 1682 additions and 1197 deletions
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51
src/rose/rose_build_compile.cpp
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@@ -2154,53 +2154,6 @@ bool hasOrphanedTops(const RoseBuildImpl &tbi) {
#endif // NDEBUG
/**
* \brief Normalise vertices so that every one has <= 1 report.
*/
static
void normaliseRoles(RoseBuildImpl &build) {
DEBUG_PRINTF("normalising\n");
RoseGraph &g = build.g;
vector<RoseVertex> work; // Vertices with > 1 report.
for (const auto &v : vertices_range(g)) {
if (g[v].reports.size() > 1) {
work.push_back(v);
}
}
DEBUG_PRINTF("%zu vertices to normalise\n", work.size());
for (const auto &v : work) {
DEBUG_PRINTF("exploding vertex %zu with %zu reports\n", g[v].idx,
g[v].reports.size());
// Make a copy of v for the trailing N-1 reports. Each of those gets
// one report and a copy of the in-edges. The first vertex retains the
// out-edges and suffix, if any are present. All the others don't need
// them.
const auto &reports = g[v].reports;
for (auto it = next(begin(reports)); it != end(reports); ++it) {
const ReportID &r = *it;
RoseVertex v2 = build.cloneVertex(v);
g[v2].reports = {r};
for (const auto &e : in_edges_range(v, g)) {
add_edge(source(e, g), v2, g[e], g);
}
// No out-edges or suffix.
g[v2].suffix.reset();
}
// Vertex v retains the first report.
g[v].reports = {*begin(reports)};
}
}
aligned_unique_ptr<RoseEngine> RoseBuildImpl::buildRose(u32 minWidth) {
dumpRoseGraph(*this, nullptr, "rose_early.dot");
@@ -2315,10 +2268,6 @@ aligned_unique_ptr<RoseEngine> RoseBuildImpl::buildRose(u32 minWidth) {
dumpRoseGraph(*this, nullptr, "rose_pre_norm.dot");
// Ensure that every vertex has <= 1 report, since the Rose runtime
// requires this at present.
normaliseRoles(*this);
return buildFinalEngine(minWidth);
}