（三三）探索 ArkCompiler 增量编译：基于红黑树依赖分析提升构建速度 原创

class RedBlackTreeNode:                    def __init__(self, key, value):                        self.key = key  # 代码文件的标识                        self.value = value  # 代码文件的相关信息                        self.left = None                        self.right = None                        self.parent = None                        self.color = 'RED'                                     def __str__(self):                        return f"Key: {self.key}, Color: {self.color}"                                                  class RedBlackTree:                    def __init__(self):                        self.root = None                                     def insert(self, key, value):                        new_node = RedBlackTreeNode(key, value)                        if self.root is None:                            self.root = new_node                            new_node.color = 'BLACK'                            return                                         current = self.root                        parent = None                        while current:                            parent = current                            if key < current.key:                                current = current.left                            else:                                current = current.right                                         new_node.parent = parent                        if key < parent.key:                            parent.left = new_node                        else:                            parent.right = new_node                                         self._fix_insert(new_node)                                     def _fix_insert(self, node):                        while node.parent and node.parent.color == 'RED':                            if node.parent == node.parent.parent.left:                                uncle = node.parent.parent.right                                if uncle and uncle.color == 'RED':                                    node.parent.color = 'BLACK'                                    uncle.color = 'BLACK'                                    node.parent.parent.color = 'RED'                                    node = node.parent.parent                                else:                                    if node == node.parent.right:                                        node = node.parent                                        self._rotate_left(node)                                    node.parent.color = 'BLACK'                                    node.parent.parent.color = 'RED'                                    self._rotate_right(node.parent.parent)                            else:                                uncle = node.parent.parent.left                                if uncle and uncle.color == 'RED':                                    node.parent.color = 'BLACK'                                    uncle.color = 'BLACK'                                    node.parent.parent.color = 'RED'                                    node = node.parent.parent                                else:                                    if node == node.parent.left:                                        node = node.parent                                        self._rotate_right(node)                                    node.parent.color = 'BLACK'                                    node.parent.parent.color = 'RED'                                    self._rotate_left(node.parent.parent)                                         self.root.color = 'BLACK'                                     def _rotate_left(self, node):                        right_child = node.right                        node.right = right_child.left                        if right_child.left:                            right_child.left.parent = node                        right_child.parent = node.parent                        if not node.parent:                            self.root = right_child                        elif node == node.parent.left:                            node.parent.left = right_child                        else:                            node.parent.right = right_child                        right_child.left = node                        node.parent = right_child                                     def _rotate_right(self, node):                        left_child = node.left                        node.left = left_child.right                        if left_child.right:                            left_child.right.parent = node                        left_child.parent = node.parent                        if not node.parent:                            self.root = left_child                        elif node == node.parent.right:                            node.parent.right = left_child                        else:                            node.parent.left = left_child                        left_child.right = node                        node.parent = left_child
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# 假设已经有一个红黑树存储依赖关系                dependency_tree = RedBlackTree()                # 插入一些依赖关系                dependency_tree.insert('A.c', {'dependencies': ['B.h']})                dependency_tree.insert('B.h', {'dependencies': []})                                 # 模拟文件修改                modified_files = ['B.h']                                 # 查找受影响的文件                affected_files = []                for file in modified_files:                    node = dependency_tree.find(file)                    if node:                        # 简单模拟查找依赖该文件的所有文件                        for key in dependency_tree.keys():                            if file in dependency_tree.get(key)['dependencies']:                                affected_files.append(key)                affected_files.extend(modified_files)                                 # 进行增量编译                for file in affected_files:                    print(f"Compiling {file}...")
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