109 lines
2.7 KiB
Go
109 lines
2.7 KiB
Go
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// Copyright 2019 The UNICORE Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file
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//
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// Author: Gaulthier Gain <gaulthier.gain@uliege.be>
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package common
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import (
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"regexp"
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"strings"
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)
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const CONFIGUK = "Config.uk"
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const MENUCONFIG = "menuconfig"
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const CONFIG = "config"
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const SELECT = "select"
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// processConfigUK processes each line of a "Config.uk" file.
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//
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// //
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func ProcessConfigUK(lines []string, fullSelect bool,
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mapConfig map[string][]string, mapLabel map[string]string) {
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var libName string
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var otherConfig = false
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for i, line := range lines {
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parseConfigUK(i, line, &libName, fullSelect, &otherConfig,
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mapConfig, mapLabel)
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}
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}
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// parseConfigUK parses each line of to detect selected libraries (dependencies)
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//
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// //
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func parseConfigUK(index int, line string, libName *string, fullSelect bool,
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otherConfig *bool, mapConfig map[string][]string, mapLabel map[string]string) {
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space := regexp.MustCompile(`\s+|\t+`)
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line = space.ReplaceAllString(line, " ")
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line = strings.TrimSpace(line)
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switch {
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case strings.Contains(line, MENUCONFIG),
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strings.Contains(line, CONFIG) && index == 0:
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{
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// First case: get the name of the lib
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// Split the line to retrieve the name of the lib
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split := strings.Split(line, " ")
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if len(split) < 2 {
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break
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}
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*libName = strings.TrimSuffix(split[1], "\n")
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}
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case strings.Contains(line, CONFIG) && index > 0:
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{
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// Second case: check if other Config lines
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*otherConfig = true
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}
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case strings.Contains(line, SELECT) && index > 0:
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{
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// Third case: add select libs
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// if there are other Config flag, check the dependencies if
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// specified (fullDep), otherwise break
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if !*otherConfig && !fullSelect {
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break
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}
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// Split the line to retrieve the name of the dependency
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split := strings.Split(line, " ")
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var library string
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if len(split) < 2 {
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break
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} else if len(split) > 2 {
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// If we have complex select (e.g., select LIBUKTIME if
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// !HAVE_LIBC && ARCH_X86_64)
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var re = regexp.MustCompile(`(?m)select\s(\w*)\sif\s([a-zA-Z0-9!_& ]*)`)
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match := re.FindAllStringSubmatch(line, -1)
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if len(match) > 0 {
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library = match[0][1]
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if mapLabel != nil {
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mapLabel[library] = match[0][2]
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}
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} else {
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break
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}
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} else {
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library = split[1]
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}
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// Current selected library
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selectedLib := strings.TrimSuffix(library, "\n")
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// Links between current lib and its dependencies
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mapConfig[*libName] = append(mapConfig[*libName], selectedLib)
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// Add selected lib in the map in order to generate a node
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// if it does not exist
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if _, ok := mapConfig[selectedLib]; !ok {
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mapConfig[selectedLib] = nil
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}
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}
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}
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}
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