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// Copyright 2015 Google Inc. All rights reserved.
//
// 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
//
// http://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 cc
import (
"fmt"
"path/filepath"
"regexp"
"strings"
"android/soong/android"
)
// Efficiently converts a list of include directories to a single string
// of cflags with -I prepended to each directory.
func includeDirsToFlags(dirs android.Paths) string {
return android.JoinWithPrefix(dirs.Strings(), "-I")
}
func includeFilesToFlags(files android.Paths) string {
return android.JoinWithPrefix(files.Strings(), "-include ")
}
func ldDirsToFlags(dirs []string) string {
return android.JoinWithPrefix(dirs, "-L")
}
func libNamesToFlags(names []string) string {
return android.JoinWithPrefix(names, "-l")
}
var indexList = android.IndexList
var inList = android.InList
var filterList = android.FilterList
var removeListFromList = android.RemoveListFromList
var removeFromList = android.RemoveFromList
var libNameRegexp = regexp.MustCompile(`^lib(.*)$`)
func moduleToLibName(module string) (string, error) {
matches := libNameRegexp.FindStringSubmatch(module)
if matches == nil {
return "", fmt.Errorf("Library module name %s does not start with lib", module)
}
return matches[1], nil
}
func flagsToBuilderFlags(in Flags) builderFlags {
return builderFlags{
globalFlags: strings.Join(in.GlobalFlags, " "),
arFlags: strings.Join(in.ArFlags, " "),
asFlags: strings.Join(in.AsFlags, " "),
cFlags: strings.Join(in.CFlags, " "),
toolingCFlags: strings.Join(in.ToolingCFlags, " "),
toolingCppFlags: strings.Join(in.ToolingCppFlags, " "),
conlyFlags: strings.Join(in.ConlyFlags, " "),
cppFlags: strings.Join(in.CppFlags, " "),
yaccFlags: strings.Join(in.YaccFlags, " "),
aidlFlags: strings.Join(in.aidlFlags, " "),
rsFlags: strings.Join(in.rsFlags, " "),
ldFlags: strings.Join(in.LdFlags, " "),
libFlags: strings.Join(in.libFlags, " "),
tidyFlags: strings.Join(in.TidyFlags, " "),
sAbiFlags: strings.Join(in.SAbiFlags, " "),
yasmFlags: strings.Join(in.YasmFlags, " "),
toolchain: in.Toolchain,
coverage: in.Coverage,
tidy: in.Tidy,
sAbiDump: in.SAbiDump,
systemIncludeFlags: strings.Join(in.SystemIncludeFlags, " "),
groupStaticLibs: in.GroupStaticLibs,
protoDeps: in.protoDeps,
protoFlags: strings.Join(in.protoFlags, " "),
protoOutTypeFlag: in.protoOutTypeFlag,
protoOutParams: strings.Join(in.protoOutParams, ","),
protoC: in.protoC,
protoOptionsFile: in.protoOptionsFile,
protoRoot: in.ProtoRoot,
}
}
func addPrefix(list []string, prefix string) []string {
for i := range list {
list[i] = prefix + list[i]
}
return list
}
func addSuffix(list []string, suffix string) []string {
for i := range list {
list[i] = list[i] + suffix
}
return list
}
var shlibVersionPattern = regexp.MustCompile("(?:\\.\\d+(?:svn)?)+")
// splitFileExt splits a file name into root, suffix and ext. root stands for the file name without
// the file extension and the version number (e.g. "libexample"). suffix stands for the
// concatenation of the file extension and the version number (e.g. ".so.1.0"). ext stands for the
// file extension after the version numbers are trimmed (e.g. ".so").
func splitFileExt(name string) (string, string, string) {
// Extract and trim the shared lib version number if the file name ends with dot digits.
suffix := ""
matches := shlibVersionPattern.FindAllStringIndex(name, -1)
if len(matches) > 0 {
lastMatch := matches[len(matches)-1]
if lastMatch[1] == len(name) {
suffix = name[lastMatch[0]:lastMatch[1]]
name = name[0:lastMatch[0]]
}
}
// Extract the file name root and the file extension.
ext := filepath.Ext(name)
root := strings.TrimSuffix(name, ext)
suffix = ext + suffix
return root, suffix, ext
}
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