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reserved_code_cache.go
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/
reserved_code_cache.go
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/*
* Copyright 2018-2020 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package calc
import (
"fmt"
"regexp"
"strings"
)
var (
DefaultReservedCodeCache = ReservedCodeCache{Value: 240 * Mebi, Provenance: Default}
ReservedCodeCacheRE = regexp.MustCompile(fmt.Sprintf("^-XX:ReservedCodeCacheSize=(%s)$", SizePattern))
)
type ReservedCodeCache Size
func (r ReservedCodeCache) String() string {
return fmt.Sprintf("-XX:ReservedCodeCacheSize=%s", Size(r))
}
func MatchReservedCodeCache(s string) bool {
return ReservedCodeCacheRE.MatchString(strings.TrimSpace(s))
}
func ParseReservedCodeCache(s string) (ReservedCodeCache, error) {
g := ReservedCodeCacheRE.FindStringSubmatch(s)
if g == nil {
return ReservedCodeCache{}, fmt.Errorf("%s does not match reserved code cache pattern %s", s, ReservedCodeCacheRE.String())
}
z, err := ParseSize(g[1])
if err != nil {
return ReservedCodeCache{}, fmt.Errorf("unable to parse reserved code cache size\n%w", err)
}
return ReservedCodeCache(z), nil
}