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Added support to create a Hashkey for PatternVals using their Pattern Texts

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This commit is contained in:
Dev Bali 2019-11-04 16:52:56 -08:00
parent 33571e7d19
commit a907732e25
2 changed files with 16 additions and 1 deletions
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15
src/CompHash.cc
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@ -401,6 +401,21 @@ HashKey* CompositeHash::ComputeSingletonHash(const Val* v, int type_check) const
if ( v->Type()->Tag() == TYPE_FUNC )
return new HashKey(v->AsFunc()->GetUniqueFuncID());
if (v->Type()->Tag() == TYPE_PATTERN) {
char* texts[2] = {
v->AsPattern()->PatternText(),
v->AsPattern()->AnywherePatternText()
};
char key [ sizeof(size_t) * 2 + strlen(texts[0]) + strlen(texts[1]) ];
std::memcpy(key, strlen(texts[0]), sizeof(size_t));
std::memcpy(*(key + sizeof(size_t)), strlen(texts[1]), sizeof(size_t));
std::memcpy(key + 2 * sizeof(size_t), texts[0], strlen(texts[0]));
std::memcpy(key + 2 * sizeof(size_t) + strlen(texts[0]), texts[1], strlen(texts[1]));
return new HashKey(key);
}
reporter->InternalError("bad index type in CompositeHash::ComputeSingletonHash");
return 0;