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Reduce memory footprint of Item struct

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This commit is contained in:
Junegunn Choi
2017-07-16 23:31:19 +09:00
parent 4b59ced08f
commit 9e85cba0d0
12 changed files with 139 additions and 122 deletions
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19
src/pattern.go
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@@ -247,7 +247,7 @@ func (p *Pattern) Match(chunk *Chunk, slab *util.Slab) []*Result {
// ChunkCache: Exact match
cacheKey := p.CacheKey()
if p.cacheable {
if cached := _cache.Find(chunk, cacheKey); cached != nil {
if cached := _cache.Lookup(chunk, cacheKey); cached != nil {
return cached
}
}
@@ -352,18 +352,17 @@ func (p *Pattern) extendedMatch(item *Item, withPos bool, slab *util.Slab) ([]Of
}
func (p *Pattern) prepareInput(item *Item) []Token {
if item.transformed != nil {
return item.transformed
if len(p.nth) == 0 {
return []Token{Token{text: &item.text, prefixLength: 0}}
}
var ret []Token
if len(p.nth) == 0 {
ret = []Token{Token{text: &item.text, prefixLength: 0}}
} else {
tokens := Tokenize(item.text, p.delimiter)
ret = Transform(tokens, p.nth)
if item.transformed != nil {
return *item.transformed
}
item.transformed = ret
tokens := Tokenize(item.text, p.delimiter)
ret := Transform(tokens, p.nth)
item.transformed = &ret
return ret
}