498 lines
21 KiB
Python
498 lines
21 KiB
Python
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#!/usr/bin/env python3
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"""
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卫星星务软件代码RAG知识库构建工具（严格保留Tree-sitter/Qwen调用方式）
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- 仅优化关联关系处理逻辑
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- 保留原始Tree-sitter解析和Qwen-V3调用流程
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- 通过全局关联图确保关联关系正确性
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- 适用于卫星软件项目（C/C++）
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"""
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import os
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import re
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import json
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from collections import defaultdict
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from pathlib import Path
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import numpy as np
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import faiss
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import tree_sitter
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import tree_sitter_c
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import tree_sitter_cpp
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from openai import OpenAI
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from tree_sitter import Language, Parser
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import requests
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from tqdm import tqdm
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import logging
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# 配置日志
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logging.basicConfig(
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level=logging.INFO,
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format='%(asctime)s - %(levelname)s - %(message)s',
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handlers=[
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logging.FileHandler("rag_builder.log"),
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logging.StreamHandler()
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]
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)
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logger = logging.getLogger(__name__)
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# === 配置常量 ===
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QWEN_API_URL = "https://dashscope.aliyuncs.com/compatible-mode/v1"
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QWEN_API_KEY = ""
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PROJECT_ROOT = "C:/Users/Administrator/Desktop\静态分析问题单过滤/gs-zk和扫描结果/PrjAttCtrlMng" # 替换为实际项目路径
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VECTOR_DB_PATH = "satellite_rag.faiss"
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METADATA_PATH = "satellite_rag_metadata.json"
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MAX_CODE_LENGTH = 800 # 代码片段最大长度
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# === 全局状态 ===
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FUNCTION_CALL_GRAPH = defaultdict(list)
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FILE_DEPENDENCIES = defaultdict(list)
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CALLED_BY_GRAPH = defaultdict(list) # 反向图：callee -> [caller]
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CPP_LANGUAGE = Language(tree_sitter_cpp.language())
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parser = Parser()
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parser.language=CPP_LANGUAGE
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CPP_EXTENSIONS = {'.c', '.cpp', '.h', '.hpp', '.tcc'}
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IGNORE_DIRS = {'build', 'cmake-build', '.git', 'vendor', 'lib', 'external','Debug'}
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def generate_code_summary(func_name, comment, logic, code_snippet, file_path):
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called_functions = FUNCTION_CALL_GRAPH.get(func_name, [])
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caller_functions = CALLED_BY_GRAPH.get(func_name, []) # ← 直接获取，O(1)
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included_headers = FILE_DEPENDENCIES.get(file_path, [])
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prompt = f"""
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你是一名资深的航天软件工程师，请总结以下C++函数的核心功能，**必须严格包含以下6点**：
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1. 函数流程与逻辑:
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{logic}
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2. 函数目的:
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→ 结合航天术语总结，必须根据上述“函数流程与逻辑”推导生成，不得依赖假设！
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3. 输入参数（名称、类型、作用，用括号列出）
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4. 返回值（类型和含义）
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5. 与其他函数的关联关系：
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- 被调用的函数: {', '.join(called_functions) or '无'}
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- 调用此函数的函数: {', '.join(caller_functions) or '无'}
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6. 与跨文件关联的函数（头文件）: {', '.join(included_headers) or '无'}
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---
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函数名: {func_name}
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注释: {comment or '无'}
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代码片段（截断至{MAX_CODE_LENGTH}字符）:
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{code_snippet[:MAX_CODE_LENGTH]}
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输出格式: "功能: [按上述6点组织的连贯段落，不要编号]"
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"""
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headers = {"Authorization": f"Bearer {QWEN_API_KEY}", "Content-Type": "application/json"}
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payload = {
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"model": "qwen-max",
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"messages": [{"role": "user", "content": prompt}],
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"temperature": 0.1
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}
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response = requests.post(
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"https://dashscope.aliyuncs.com/compatible-mode/v1/chat/completions",
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headers=headers,
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json=payload
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)
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response.raise_for_status()
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summary = response.json()['choices'][0]['message']['content'].strip()
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return summary.replace("功能: ", "")
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def generate_code_logic(func_name, comment, code_snippet, file_path):
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prompt = f"""
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你是一名资深的航天软件工程师，请生成以下C++函数的markdown格式的函数流程图，并总结函数的核心流程逻辑。
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"""
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# 你的提示词保持不变
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headers = {
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"Authorization": f"Bearer {QWEN_API_KEY}",
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"Content-Type": "application/json"
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}
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payload = {
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"model": "qwen-max",
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"messages": [ # ← 直接顶层字段，无 "input" 包裹
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{"role": "user", "content": prompt}
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],
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"temperature": 0.1 # 可选：提高摘要一致性
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}
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# 使用 OpenAI 兼容端点
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response = requests.post(
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"https://dashscope.aliyuncs.com/compatible-mode/v1/chat/completions",
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headers=headers,
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json=payload
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)
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response.raise_for_status()
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result = response.json()
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logic = result['choices'][0]['message']['content'].strip() # ← 注意路径变化！
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return logic
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def safe_decode(b: bytes) -> str:
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for encoding in ['utf-8', 'gbk', 'gb2312', 'latin-1']:
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try:
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return b.decode(encoding)
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except UnicodeDecodeError:
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continue
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return b.decode('utf-8', errors='replace')
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# === 严格保留的代码提取辅助函数 ===
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def extract_comment_before(node, source_lines):
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"""严格保留注释提取逻辑（已验证正确）"""
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start_line = node.start_point[0]
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comment_lines = []
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for i in range(start_line - 1, max(0, start_line - 10), -1):
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line = safe_decode(source_lines[i]).strip()
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if line.startswith('//') or line.startswith('/*'):
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comment_lines.append(line)
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return " ".join(comment_lines[::-1]) or "无注释"
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def extract_code_snippet(tree, node, source_lines):
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"""严格保留代码片段提取逻辑（已验证正确）"""
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start_line = node.start_point[0]
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end_line = node.end_point[0]
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code_lines = []
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for i in range(start_line, end_line + 1):
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if i < len(source_lines):
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code_lines.append(safe_decode(source_lines[i]))
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return "\n".join(code_lines)
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# === 严格保留的向量化嵌入 ===
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def get_qwen_embedding(text: str) -> np.ndarray:
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"""
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调用 DashScope 的 text-embedding-v4 模型生成 1024 维文本嵌入向量。
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使用 OpenAI 兼容 SDK 方式调用。
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"""
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try:
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client = OpenAI(
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api_key=QWEN_API_KEY,
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base_url="https://dashscope.aliyuncs.com/compatible-mode/v1"
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)
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response = client.embeddings.create(
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model="text-embedding-v4",
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input=text # OpenAI SDK 支持单个字符串或字符串列表
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)
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embedding = response.data[0].embedding
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return np.array(embedding, dtype='float32')
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except Exception as e:
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# 假设 logger 已定义；若未定义，可临时用 print 替代
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try:
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logger.error(f"获取嵌入失败: {e}")
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except NameError:
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print(f"获取嵌入失败: {e}")
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return np.zeros(1024, dtype='float32')
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def extract_function_name(func_def_node):
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"""
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从 function_definition 节点中提取完整的函数名（含命名空间/类作用域）
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"""
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declarator = func_def_node.child_by_field_name("declarator")
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if not declarator:
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return "<unknown>"
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# 处理 A::B::func 这种形式：可能是 field_expression 嵌套
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def get_qualified_name(node):
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if node.type == "identifier":
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return node.text.decode('utf-8')
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elif node.type == "field_expression":
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# left.field -> left 可能是 identifier 或 field_expression
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left = node.child_by_field_name("argument") or node.children[0]
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right = node.child_by_field_name("field") or node.children[-1]
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left_name = get_qualified_name(left) if left else ""
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right_name = get_qualified_name(right) if right else ""
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return f"{left_name}::{right_name}" if left_name and right_name else (left_name or right_name)
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elif node.type == "function_declarator":
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# 函数声明器：取其 declarator 部分
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func_declarator = node.child_by_field_name("declarator")
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if func_declarator:
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return get_qualified_name(func_declarator)
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# 兜底：直接取文本
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return node.text.decode('utf-8').split('(')[0].strip()
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return get_qualified_name(declarator)
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def extract_qualified_name_from_field(field_node):
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"""递归解析 field_expression，如 A::B::foo"""
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def _extract(n):
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if n.type == "identifier":
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return n.text.decode('utf-8')
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elif n.type == "field_expression":
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# left.field -> argument.field
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left = n.child_by_field_name("argument") or (n.children[0] if n.children else None)
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right = n.child_by_field_name("field") or (n.children[-1] if n.children else None)
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left_str = _extract(left) if left else ""
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right_str = _extract(right) if right else ""
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if left_str and right_str:
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return f"{left_str}::{right_str}"
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return left_str or right_str
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else:
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# 兜底：取文本，截断参数列表
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text = n.text.decode('utf-8')
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return text.split('(')[0].strip()
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return _extract(field_node)
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def extract_full_function_name(func_def_node):
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"""
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从 function_definition 节点中提取干净的函数名（支持 A::foo）
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"""
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declarator = func_def_node.child_by_field_name("declarator")
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if not declarator:
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return "<unknown>"
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# 情况1: declarator 是 function_declarator（最常见）
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if declarator.type == "function_declarator":
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inner_declarator = declarator.child_by_field_name("declarator")
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if not inner_declarator:
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return "<unknown>"
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if inner_declarator.type == "identifier":
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return inner_declarator.text.decode('utf-8')
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elif inner_declarator.type == "field_expression":
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return extract_qualified_name_from_field(inner_declarator)
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else:
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# 兜底处理（如数组、指针等，但函数名通常不会这样）
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raw = inner_declarator.text.decode('utf-8')
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return raw.split('(')[0].strip()
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# 情况2: declarator 直接是 identifier（旧式C或简单情况）
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elif declarator.type == "identifier":
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return declarator.text.decode('utf-8')
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# 情况3: 其他类型（如 pointer_declarator），尝试兜底
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else:
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raw = declarator.text.decode('utf-8')
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return raw.split('(')[0].strip()
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def traverse_type(node, target_type):
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"""递归遍历 AST 节点，查找指定类型"""
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if node.type == target_type:
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yield node
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for child in node.children:
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yield from traverse_type(child, target_type)
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# === 主处理流程（仅优化关联关系处理）===
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def build_rag_database():
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"""严格保留Tree-sitter/Qwen调用流程，仅优化关联关系处理"""
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global FUNCTION_CALL_GRAPH, FILE_DEPENDENCIES, CALLED_BY_GRAPH
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# 清空旧图（避免多次调用累积）
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FUNCTION_CALL_GRAPH.clear()
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FILE_DEPENDENCIES.clear()
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CALLED_BY_GRAPH.clear()
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dimension = 1024
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index = faiss.IndexFlatL2(dimension)
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metadata_list = []
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import re
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# 全局图（确保在阶段1前清空）
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FUNCTION_CALL_GRAPH = {}
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CALLED_BY_GRAPH = {}
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FILE_DEPENDENCIES = {}
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def extract_callee_name(func_node):
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"""从 call_expression 的 function 节点中提取函数名标识符"""
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if func_node.type == "identifier":
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return func_node.text.decode('utf-8')
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elif func_node.type == "field_expression": # 如 A::func 或 a.b
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field = func_node.child_by_field_name("field")
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if field and field.type == "identifier":
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return field.text.decode('utf-8')
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# 递归处理复杂命名空间
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text = func_node.text.decode('utf-8')
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parts = re.split(r'[.:]+', text)
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return parts[-1].split('(')[0].strip() if parts else "<unknown>"
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elif func_node.type == "member_expression": # C++ 风格: obj->method 或 obj.method
|
|||
|
|
member = func_node.child_by_field_name("member")
|
|||
|
|
if member and member.type == "identifier":
|
|||
|
|
return member.text.decode('utf-8')
|
|||
|
|
# 兜底
|
|||
|
|
text = func_node.text.decode('utf-8')
|
|||
|
|
for sep in ['->', '.']:
|
|||
|
|
if sep in text:
|
|||
|
|
return text.split(sep)[-1].split('(')[0].strip()
|
|||
|
|
return text.split('(')[0].strip()
|
|||
|
|
else:
|
|||
|
|
# 兜底：从文本中提取最可能的函数名
|
|||
|
|
text = func_node.text.decode('utf-8')
|
|||
|
|
# 移除模板 <...>
|
|||
|
|
text = re.sub(r'<[^>]*>', '', text)
|
|||
|
|
# 取括号前部分
|
|||
|
|
base = text.split('(')[0].strip()
|
|||
|
|
# 处理 a::b::c -> c
|
|||
|
|
for sep in ['::', '->', '.']:
|
|||
|
|
if sep in base:
|
|||
|
|
base = base.split(sep)[-1]
|
|||
|
|
# 简单合法性检查
|
|||
|
|
if base and base[0].isalpha() and all(c.isalnum() or c in '_$' for c in base):
|
|||
|
|
return base
|
|||
|
|
return "<unknown>"
|
|||
|
|
|
|||
|
|
def collect_call_expressions(node):
|
|||
|
|
"""递归遍历 AST 节点，收集所有 call_expression 中的 callee 名称（去重）"""
|
|||
|
|
calls = set()
|
|||
|
|
|
|||
|
|
def traverse(n):
|
|||
|
|
if n.type == "call_expression":
|
|||
|
|
func_node = n.child_by_field_name("function")
|
|||
|
|
if func_node:
|
|||
|
|
callee = extract_callee_name(func_node)
|
|||
|
|
if callee != "<unknown>":
|
|||
|
|
calls.add(callee)
|
|||
|
|
# 递归子节点
|
|||
|
|
for child in n.children:
|
|||
|
|
traverse(child)
|
|||
|
|
|
|||
|
|
traverse(node)
|
|||
|
|
return list(calls)
|
|||
|
|
|
|||
|
|
# ========================
|
|||
|
|
# 阶段1：构建调用图与依赖图
|
|||
|
|
# ========================
|
|||
|
|
logger.info("阶段1: 构建函数调用图和文件依赖图")
|
|||
|
|
|
|||
|
|
total_funcs = 0
|
|||
|
|
|
|||
|
|
for root, _, files in os.walk(PROJECT_ROOT):
|
|||
|
|
if any(ignore_dir in Path(root).parts for ignore_dir in IGNORE_DIRS):
|
|||
|
|
continue
|
|||
|
|
for file in files:
|
|||
|
|
if Path(file).suffix.lower() in CPP_EXTENSIONS:
|
|||
|
|
file_path = os.path.join(root, file)
|
|||
|
|
logger.debug(f"解析文件构建关联图: {file_path}")
|
|||
|
|
try:
|
|||
|
|
with open(file_path, 'rb') as f:
|
|||
|
|
source_bytes = f.read()
|
|||
|
|
tree = parser.parse(source_bytes)
|
|||
|
|
|
|||
|
|
# --- 1. 收集头文件依赖 ---
|
|||
|
|
includes = []
|
|||
|
|
for node in tree.root_node.named_children:
|
|||
|
|
if node.type == "preproc_include":
|
|||
|
|
path_node = node.child_by_field_name("path")
|
|||
|
|
if path_node:
|
|||
|
|
include_text = path_node.text.decode('utf-8').strip('"<>')
|
|||
|
|
includes.append(include_text)
|
|||
|
|
FILE_DEPENDENCIES[file_path] = includes
|
|||
|
|
|
|||
|
|
# --- 2. 遍历顶层节点，找函数定义 ---
|
|||
|
|
for node in tree.root_node.named_children:
|
|||
|
|
if node.type == "function_definition":
|
|||
|
|
func_name = extract_full_function_name(node)
|
|||
|
|
if func_name == "<unknown>":
|
|||
|
|
continue
|
|||
|
|
|
|||
|
|
total_funcs += 1
|
|||
|
|
FUNCTION_CALL_GRAPH[func_name] = [] # 初始化
|
|||
|
|
|
|||
|
|
# 获取函数体（body）
|
|||
|
|
body = node.child_by_field_name("body")
|
|||
|
|
if body:
|
|||
|
|
callees = collect_call_expressions(body)
|
|||
|
|
FUNCTION_CALL_GRAPH[func_name] = callees
|
|||
|
|
|
|||
|
|
except Exception as e:
|
|||
|
|
logger.error(f"解析文件失败 {file_path}: {e}", exc_info=True)
|
|||
|
|
|
|||
|
|
# --- 3. 构建反向调用图（谁调用了我）---
|
|||
|
|
CALLED_BY_GRAPH.clear()
|
|||
|
|
for caller, callees in FUNCTION_CALL_GRAPH.items():
|
|||
|
|
for callee in callees:
|
|||
|
|
if callee not in CALLED_BY_GRAPH:
|
|||
|
|
CALLED_BY_GRAPH[callee] = []
|
|||
|
|
CALLED_BY_GRAPH[callee].append(caller)
|
|||
|
|
|
|||
|
|
logger.info(f"阶段1完成。共识别 {total_funcs} 个函数，{len(FILE_DEPENDENCIES)} 个文件依赖。")
|
|||
|
|
# === 阶段2: 生成摘要并构建RAG ===
|
|||
|
|
logger.info("阶段2: 生成函数摘要并构建RAG")
|
|||
|
|
for root, _, files in os.walk(PROJECT_ROOT):
|
|||
|
|
if any(ignore_dir in Path(root).parts for ignore_dir in IGNORE_DIRS):
|
|||
|
|
continue
|
|||
|
|
for file in files:
|
|||
|
|
if Path(file).suffix.lower() in CPP_EXTENSIONS:
|
|||
|
|
file_path = os.path.join(root, file)
|
|||
|
|
logger.debug(f"处理文件: {file_path}")
|
|||
|
|
try:
|
|||
|
|
with open(file_path, 'rb') as f:
|
|||
|
|
source = f.read()
|
|||
|
|
tree = parser.parse(source)
|
|||
|
|
source_lines = source.split(b'\n')
|
|||
|
|
|
|||
|
|
for node in tree.root_node.named_children:
|
|||
|
|
if node.type == "function_definition":
|
|||
|
|
# === 关键修正：使用统一的函数名提取逻辑 ===
|
|||
|
|
func_name = extract_full_function_name(node)
|
|||
|
|
if func_name == "<unknown>":
|
|||
|
|
logger.warning(f"无法解析函数名，跳过节点: {node.text[:100]}...")
|
|||
|
|
continue
|
|||
|
|
|
|||
|
|
# 提取前置注释（保持不变）
|
|||
|
|
comment = extract_comment_before(node, source_lines)
|
|||
|
|
|
|||
|
|
# 提取代码片段（保持不变）
|
|||
|
|
func_code = extract_code_snippet(tree, node, source_lines)
|
|||
|
|
print(func_code)
|
|||
|
|
# 生成摘要（保持不变）
|
|||
|
|
logic = generate_code_logic(func_name, comment, func_code, file_path)
|
|||
|
|
summary = generate_code_summary(func_name, comment,logic,func_code, file_path)
|
|||
|
|
print(summary)
|
|||
|
|
# 从全局图中获取关系（确保 func_name 与阶段1一致！）
|
|||
|
|
called_functions = FUNCTION_CALL_GRAPH.get(func_name, [])
|
|||
|
|
caller_functions = CALLED_BY_GRAPH.get(func_name, [])
|
|||
|
|
included_headers = FILE_DEPENDENCIES.get(file_path, [])
|
|||
|
|
|
|||
|
|
# 构建上下文文本
|
|||
|
|
context_text = (
|
|||
|
|
f"【实体类型】函数\n"
|
|||
|
|
f"【函数名】{func_name}\n"
|
|||
|
|
f"【所在文件】{os.path.basename(file_path)}\n"
|
|||
|
|
f"【代码注释】{comment.strip() if comment else '无'}\n"
|
|||
|
|
f"【功能摘要】{summary}\n"
|
|||
|
|
f"【流程逻辑】{logic}\n"
|
|||
|
|
f"【调用的函数】{', '.join(called_functions) if called_functions else '无'}\n"
|
|||
|
|
f"【被以下函数调用】{', '.join(caller_functions) if caller_functions else '无'}\n"
|
|||
|
|
f"【包含的头文件】{', '.join(included_headers) if included_headers else '无'}"
|
|||
|
|
)
|
|||
|
|
|
|||
|
|
# 生成嵌入向量
|
|||
|
|
vector = get_qwen_embedding(context_text)
|
|||
|
|
|
|||
|
|
# 构建元数据
|
|||
|
|
metadata = {
|
|||
|
|
"file": file_path,
|
|||
|
|
"line": node.start_point[0] + 1,
|
|||
|
|
"type": "function",
|
|||
|
|
"name": func_name,
|
|||
|
|
"summary": summary,
|
|||
|
|
"logic": logic,
|
|||
|
|
"calls": called_functions,
|
|||
|
|
"called_by": caller_functions,
|
|||
|
|
"includes": included_headers,
|
|||
|
|
"comment": comment or ""
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
# 添加到向量库
|
|||
|
|
index.add(np.array([vector], dtype='float32'))
|
|||
|
|
metadata_list.append(metadata)
|
|||
|
|
|
|||
|
|
except Exception as e:
|
|||
|
|
logger.error(f"处理文件 {file_path} 失败: {str(e)}", exc_info=True)
|
|||
|
|
# 保存结果
|
|||
|
|
faiss.write_index(index, VECTOR_DB_PATH)
|
|||
|
|
with open(METADATA_PATH, 'w', encoding='utf-8') as f:
|
|||
|
|
json.dump(metadata_list, f, indent=2, ensure_ascii=False)
|
|||
|
|
|
|||
|
|
logger.info(f"知识库构建完成! 总实体: {len(metadata_list)}")
|
|||
|
|
logger.info(f"向量数据库保存至: {VECTOR_DB_PATH}")
|
|||
|
|
logger.info(f"元数据保存至: {METADATA_PATH}")
|
|||
|
|
|
|||
|
|
return index, metadata_list # 如果你确实需要返回，可以放这里
|
|||
|
|
|
|||
|
|
|
|||
|
|
if __name__ == "__main__":
|
|||
|
|
build_rag_database()
|