129 lines
3.1 KiB
Go
129 lines
3.1 KiB
Go
// Copyright 2015 Google Inc. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package cc
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import (
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"fmt"
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"regexp"
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"strings"
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"android/soong/android"
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)
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// Efficiently converts a list of include directories to a single string
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// of cflags with -I prepended to each directory.
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func includeDirsToFlags(dirs android.Paths) string {
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return android.JoinWithPrefix(dirs.Strings(), "-I")
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}
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func includeFilesToFlags(files android.Paths) string {
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return android.JoinWithPrefix(files.Strings(), "-include ")
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}
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func ldDirsToFlags(dirs []string) string {
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return android.JoinWithPrefix(dirs, "-L")
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}
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func libNamesToFlags(names []string) string {
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return android.JoinWithPrefix(names, "-l")
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}
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func indexList(s string, list []string) int {
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for i, l := range list {
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if l == s {
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return i
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}
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}
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return -1
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}
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func inList(s string, list []string) bool {
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return indexList(s, list) != -1
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}
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func filterList(list []string, filter []string) (remainder []string, filtered []string) {
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for _, l := range list {
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if inList(l, filter) {
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filtered = append(filtered, l)
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} else {
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remainder = append(remainder, l)
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}
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}
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return
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}
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func removeFromList(s string, list []string) (bool, []string) {
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i := indexList(s, list)
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if i != -1 {
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return true, append(list[:i], list[i+1:]...)
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} else {
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return false, list
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}
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}
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var libNameRegexp = regexp.MustCompile(`^lib(.*)$`)
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func moduleToLibName(module string) (string, error) {
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matches := libNameRegexp.FindStringSubmatch(module)
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if matches == nil {
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return "", fmt.Errorf("Library module name %s does not start with lib", module)
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}
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return matches[1], nil
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}
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func flagsToBuilderFlags(in Flags) builderFlags {
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return builderFlags{
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globalFlags: strings.Join(in.GlobalFlags, " "),
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asFlags: strings.Join(in.AsFlags, " "),
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cFlags: strings.Join(in.CFlags, " "),
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conlyFlags: strings.Join(in.ConlyFlags, " "),
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cppFlags: strings.Join(in.CppFlags, " "),
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yaccFlags: strings.Join(in.YaccFlags, " "),
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ldFlags: strings.Join(in.LdFlags, " "),
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libFlags: strings.Join(in.libFlags, " "),
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nocrt: in.Nocrt,
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toolchain: in.Toolchain,
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clang: in.Clang,
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}
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}
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func copyVariantFlags(m map[string][]string) map[string][]string {
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ret := make(map[string][]string, len(m))
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for k, v := range m {
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l := make([]string, len(m[k]))
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for i := range m[k] {
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l[i] = v[i]
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}
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ret[k] = l
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}
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return ret
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}
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func variantOrDefault(variants map[string]string, choice string) string {
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if ret, ok := variants[choice]; ok {
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return ret
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}
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return variants[""]
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}
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func addPrefix(list []string, prefix string) []string {
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for i := range list {
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list[i] = prefix + list[i]
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}
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return list
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}
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