OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [go.test/] [test/] [bench/] [shootout/] [regex-dna.go] - Blame information for rev 700

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 700 jeremybenn
/*
2
Redistribution and use in source and binary forms, with or without
3
modification, are permitted provided that the following conditions are met:
4
 
5
    * Redistributions of source code must retain the above copyright
6
    notice, this list of conditions and the following disclaimer.
7
 
8
    * Redistributions in binary form must reproduce the above copyright
9
    notice, this list of conditions and the following disclaimer in the
10
    documentation and/or other materials provided with the distribution.
11
 
12
    * Neither the name of "The Computer Language Benchmarks Game" nor the
13
    name of "The Computer Language Shootout Benchmarks" nor the names of
14
    its contributors may be used to endorse or promote products derived
15
    from this software without specific prior written permission.
16
 
17
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20
ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
21
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27
POSSIBILITY OF SUCH DAMAGE.
28
*/
29
 
30
/* The Computer Language Benchmarks Game
31
 * http://shootout.alioth.debian.org/
32
 *
33
 * contributed by The Go Authors.
34
 */
35
 
36
package main
37
 
38
import (
39
        "fmt"
40
        "io/ioutil"
41
        "os"
42
        "regexp"
43
)
44
 
45
var variants = []string{
46
        "agggtaaa|tttaccct",
47
        "[cgt]gggtaaa|tttaccc[acg]",
48
        "a[act]ggtaaa|tttacc[agt]t",
49
        "ag[act]gtaaa|tttac[agt]ct",
50
        "agg[act]taaa|ttta[agt]cct",
51
        "aggg[acg]aaa|ttt[cgt]ccct",
52
        "agggt[cgt]aa|tt[acg]accct",
53
        "agggta[cgt]a|t[acg]taccct",
54
        "agggtaa[cgt]|[acg]ttaccct",
55
}
56
 
57
type Subst struct {
58
        pat, repl string
59
}
60
 
61
var substs = []Subst{
62
        Subst{"B", "(c|g|t)"},
63
        Subst{"D", "(a|g|t)"},
64
        Subst{"H", "(a|c|t)"},
65
        Subst{"K", "(g|t)"},
66
        Subst{"M", "(a|c)"},
67
        Subst{"N", "(a|c|g|t)"},
68
        Subst{"R", "(a|g)"},
69
        Subst{"S", "(c|g)"},
70
        Subst{"V", "(a|c|g)"},
71
        Subst{"W", "(a|t)"},
72
        Subst{"Y", "(c|t)"},
73
}
74
 
75
func countMatches(pat string, bytes []byte) int {
76
        re := regexp.MustCompile(pat)
77
        n := 0
78
        for {
79
                e := re.FindIndex(bytes)
80
                if len(e) == 0 {
81
                        break
82
                }
83
                n++
84
                bytes = bytes[e[1]:]
85
        }
86
        return n
87
}
88
 
89
func main() {
90
        bytes, err := ioutil.ReadAll(os.Stdin)
91
        if err != nil {
92
                fmt.Fprintf(os.Stderr, "can't read input: %s\n", err)
93
                os.Exit(2)
94
        }
95
        ilen := len(bytes)
96
        // Delete the comment lines and newlines
97
        bytes = regexp.MustCompile("(>[^\n]+)?\n").ReplaceAll(bytes, []byte{})
98
        clen := len(bytes)
99
        for _, s := range variants {
100
                fmt.Printf("%s %d\n", s, countMatches(s, bytes))
101
        }
102
        for _, sub := range substs {
103
                bytes = regexp.MustCompile(sub.pat).ReplaceAll(bytes, []byte(sub.repl))
104
        }
105
        fmt.Printf("\n%d\n%d\n%d\n", ilen, clen, len(bytes))
106
}

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.