Amélioration de la gestion des dépendances circulaires
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parent
0af4eb8f1b
commit
0941b5e09e
bakefile.jar
src/fr/monlouyan/bakefile
tests
BIN
bakefile.jar
BIN
bakefile.jar
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@ -20,7 +20,7 @@ public class BakeCLI {
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/*
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* Liste des arguments passés en ligne de commande
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*/
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private List<String> targets;
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private static List<String> targets;
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/**
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* Constructeur de la classe BakeCLI
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@ -31,7 +31,7 @@ public class BakeCLI {
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*/
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public BakeCLI(String[] args){
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debug = false;
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this.targets = new ArrayList<>();
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targets = new ArrayList<>();
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parseArgs(args);
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}
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@ -60,5 +60,5 @@ public class BakeCLI {
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* Permet de récupérer les arguments autres que "-d" passés en ligne de commande
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* @return
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*/
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public List<String> getTargets(){ return targets; }
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public static List<String> getTargets(){ return targets; }
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}
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@ -3,13 +3,11 @@ package fr.monlouyan.bakefile;
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import java.util.List;
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public class BakeEngine {
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private BakeCLI cli;
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private BakefileParser parser;
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private DependencyResolver resolver;
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private CommandExecutor executor;
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public BakeEngine(BakeCLI cli) {
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this.cli = cli;
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public BakeEngine() {
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this.parser = new BakefileParser("Bakefile");
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this.resolver = new DependencyResolver(BakeCLI.isDebug());
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this.executor = new CommandExecutor(BakeCLI.isDebug());
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@ -17,7 +15,7 @@ public class BakeEngine {
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public void run() {
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List<Rule> rules = parser.parse();
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List<Rule> rulesToBuild = resolver.resolve(rules, cli.getTargets());
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List<Rule> rulesToBuild = resolver.resolve(rules, BakeCLI.getTargets());
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for (Rule rule : rulesToBuild) {
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executor.execute(rule);
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@ -8,6 +8,9 @@ import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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public class BakefileParser {
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/**
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* Nom du fichier Bakefile à parser (donc Bakefile...).
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*/
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private String filename;
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/**
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@ -22,8 +25,15 @@ public class BakefileParser {
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*/
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private static final Pattern COMMAND_PATTERN = Pattern.compile("^\\s+(.+)$");
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/**
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* Première cible trouvée dans le fichier Bakefile.
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*/
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private static String firstTarget;
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public BakefileParser(String filename) {
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this.filename = filename;
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firstTarget = null;
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}
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public List<Rule> parse() {
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@ -46,6 +56,10 @@ public class BakefileParser {
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Matcher commandMatcher = COMMAND_PATTERN.matcher(line);
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if (targetMatcher.matches()) {
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if (firstTarget == null) {
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firstTarget = targetMatcher.group(1);
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}
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// Sauvegarde de la règle précédente si elle existe
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if (currentTarget != null) {
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rules.add(new Rule(currentTarget, dependencies, commands, phonyTargets.contains(currentTarget)));
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@ -71,4 +85,10 @@ public class BakefileParser {
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}
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return rules;
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}
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/**
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* Permet de récupérer la première cible trouvée dans le fichier Bakefile.
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* @return La première cible trouvée
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*/
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public static String getFirstTarget() { return firstTarget; }
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}
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@ -15,11 +15,14 @@ public class CommandExecutor {
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return;
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}
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if (!rule.needsUpdate()){
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System.out.println("bake: '" + rule.getName() + "' is up to date.");
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if (!rule.needsUpdate()) {
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if (rule.getName().equals(BakefileParser.getFirstTarget())) {
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System.out.println("bake: '" + rule.getName() + "' is up to date.");
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}
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return;
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}
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try {
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for (String command : rule.getCommands()) {
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System.out.println(command); // Affichage de la commande executée
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@ -1,26 +1,80 @@
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package fr.monlouyan.bakefile;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.*;
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public class DependencyResolver {
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private boolean debug;
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private Map<String, Rule> ruleMap;
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public DependencyResolver(boolean debug) {
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this.debug = debug;
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}
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public List<Rule> resolve(List<Rule> allRules, List<String> requestedRules) {
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List<Rule> rulesToBuild = new ArrayList<>();
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ruleMap = new HashMap<>();
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Set<String> builtRules = new HashSet<>(); // Éviter d'ajouter des règles déjà vérifiées
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for (Rule rule : allRules) {
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if (requestedRules.isEmpty() || requestedRules.contains(rule.getName()) || rule.isPhony()) {
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if (debug){
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System.out.println("Rule " + rule.getName() + " is requested");
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}
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rulesToBuild.add(rule);
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ruleMap.put(rule.getName(), rule);
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}
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Set<String> visited = new HashSet<>();
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Set<String> stack = new HashSet<>();
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for (String ruleName : requestedRules.isEmpty() ? ruleMap.keySet() : requestedRules) {
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if (ruleMap.containsKey(ruleName)) {
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detectCycle(ruleName, visited, stack);
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collectDependencies(ruleName, rulesToBuild, builtRules);
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} else if (debug) {
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System.out.println("Warning: Rule '" + ruleName + "' not found.");
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}
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}
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return rulesToBuild;
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}
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}
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/**
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* Détection des cycles avec DFS
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*/
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private void detectCycle(String ruleName, Set<String> visited, Set<String> stack) {
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if (stack.contains(ruleName)) {
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throw new RuntimeException("Dependency cycle detected involving rule: " + ruleName);
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}
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if (!visited.contains(ruleName)) {
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visited.add(ruleName);
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stack.add(ruleName);
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Rule rule = ruleMap.get(ruleName);
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if (rule != null) {
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for (String dependency : rule.getDependencies()) {
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if (ruleMap.containsKey(dependency)) {
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detectCycle(dependency, visited, stack);
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}
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}
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}
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stack.remove(ruleName);
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}
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}
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/**
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* Collecte récursive des règles à construire en évitant les doublons
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*/
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private void collectDependencies(String ruleName, List<Rule> rulesToBuild, Set<String> builtRules) {
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if (builtRules.contains(ruleName)) {
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return; // Évite d'ajouter une règle plusieurs fois
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}
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Rule rule = ruleMap.get(ruleName);
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if (rule != null) {
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for (String dependency : rule.getDependencies()) {
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if (ruleMap.containsKey(dependency)) {
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collectDependencies(dependency, rulesToBuild, builtRules);
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}
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}
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rulesToBuild.add(rule);
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builtRules.add(ruleName);
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}
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}
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}
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@ -16,8 +16,9 @@ public class Main{
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* @return void
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*/
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public static void main(String[] args){
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@SuppressWarnings("unused")
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BakeCLI cli = new BakeCLI(args);
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BakeEngine engine = new BakeEngine(cli);
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BakeEngine engine = new BakeEngine();
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engine.run();
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}
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}
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@ -2,10 +2,10 @@ main: a b c
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gcc a b c -o main
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a: a.c a.h b.h
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gcc -Wall -Werror -Wextra -Pendatic -c a.c -o a
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gcc -Wall -Werror -Wextra -ansi -pedantic -c a.c -o a
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b: b.c b.h c.h
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gcc -Wall -Werror -Wextra -Pendatic -c b.c -o b
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gcc -Wall -Werror -Wextra -ansi -pedantic -c b.c -o b
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c: c.c c.h a.h
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gcc -Wall -Werror -Wextra -Pendatic -c c.c -o c
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gcc -Wall -Werror -Wextra -ansi -pedantic -c c.c -o c
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@ -1,3 +1,15 @@
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# Test 3 : Dépendances circulaire
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# Test 3 : Gestion des dépendances circulaires
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## Description
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Ce test vérifie que le système de compilation peut détecter et gérer correctement les dépendances circulaires. Il simule un projet où plusieurs fichiers `.c` et `.h` s'incluent mutuellement, créant ainsi une boucle dans les dépendances.
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## Fichiers utilisés
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- `a.c` : Implémente functionA qui appelle functionB.
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- `b.c` : Implémente functionB qui appelle functionC.
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- `c.c` : Implémente functionC et inclut a.h, créant une boucle indirecte.
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- `a.h`, `b.h`, `c.h` : Fichiers d'en-tête correspondant.
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- `Bakefile` : Contient les règles de compilation et les dépendances.
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- `bakefile.jar` : Version compilée de notre système de build.
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## Résultat attendu
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Si le système de build détecte une dépendance circulaire, il doit la gérer automatiquement en évitant la boucle infinie et en compilant correctement les fichiers.
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#include <stdio.h>
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#include "b.h"
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void functionA() {
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printf("Function A called\n");
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functionB(); // Appelle une fonction de b.c
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void functionA(void) {
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printf("Fonction A appelée\n");
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functionB();
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}
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int main() {
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int main(void) {
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functionA();
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return 0;
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}
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@ -1,6 +1,6 @@
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#ifndef A_H
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#define A_H
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void functionA();
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void functionA(void);
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#endif
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#include <stdio.h>
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#include "c.h"
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void functionB() {
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printf("Function B called\n");
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functionC(); // Appelle une fonction de c.c
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void functionB(void) {
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printf("Fonction B appelée\n");
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functionC();
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}
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@ -1,6 +1,6 @@
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#ifndef B_H
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#define B_H
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void functionB();
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void functionB(void);
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#endif
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@ -1,7 +1,8 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include "a.h"
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void functionC() {
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printf("Function C called\n");
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functionA(); // Appelle une fonction de a.c -> dépendance circulaire
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void functionC(void) {
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printf("Fonction C appelée\n");
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return;
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}
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#ifndef C_H
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#define C_H
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void functionC();
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void functionC(void);
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#endif
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