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Inline function calls in tight loops

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By only using leaf functions
This commit is contained in:
Junegunn Choi 2016-08-18 01:48:52 +09:00
parent babf877fd6
commit 0e0de29b87
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GPG Key ID: 254BC280FEF9C627
1 changed files with 3 additions and 10 deletions
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13
src/algo/algo.go
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@ -22,13 +22,6 @@ func indexAt(index int, max int, forward bool) int {
return max - index - 1
}
func runeAt(text util.Chars, index int, max int, forward bool) rune {
if forward {
return text.Get(index)
}
return text.Get(max - index - 1)
}
// Result conatins the results of running a match function.
type Result struct {
Start int32
@ -136,7 +129,7 @@ func FuzzyMatch(caseSensitive bool, forward bool, text util.Chars, pattern []run
lenPattern := len(pattern)
for index := 0; index < lenRunes; index++ {
char := runeAt(text, index, lenRunes, forward)
char := text.Get(indexAt(index, lenRunes, forward))
// This is considerably faster than blindly applying strings.ToLower to the
// whole string
if !caseSensitive {
@ -164,7 +157,7 @@ func FuzzyMatch(caseSensitive bool, forward bool, text util.Chars, pattern []run
if sidx >= 0 && eidx >= 0 {
pidx--
for index := eidx - 1; index >= sidx; index-- {
char := runeAt(text, index, lenRunes, forward)
char := text.Get(indexAt(index, lenRunes, forward))
if !caseSensitive {
if char >= 'A' && char <= 'Z' {
char += 32
@ -215,7 +208,7 @@ func ExactMatchNaive(caseSensitive bool, forward bool, text util.Chars, pattern
pidx := 0
for index := 0; index < lenRunes; index++ {
char := runeAt(text, index, lenRunes, forward)
char := text.Get(indexAt(index, lenRunes, forward))
if !caseSensitive {
if char >= 'A' && char <= 'Z' {
char += 32