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parseinstrs: Fold trie layers with only one child

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This commit is contained in:
Alexis Engelke
2021-09-13 17:27:47 +02:00
parent 71c0daf581
commit effc0c7e49
1 changed files with 8 additions and 4 deletions
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12
parseinstrs.py
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@@ -427,12 +427,16 @@ class Trie:
entry = self.trie[num]
for i, elem in enumerate(entry):
if elem and not elem[0].is_instr and elem[1] in synonyms:
entry[i] = elem[0], synonyms[elem[1]]
entry[i] = synonyms[elem[1]]
# And deduplicate all entries of this kind
unique_entry = tuple(entry)
if unique_entry in entries:
synonyms[num] = entries[unique_entry]
if len(set(unique_entry)) == 1:
# Omit kind if all entries point to the same child
synonyms[num] = entry[0]
self.trie[num] = None
elif unique_entry in entries:
# Deduplicate entries of this kind
synonyms[num] = kind, entries[unique_entry]
self.trie[num] = None
else:
entries[unique_entry] = num