397 lines
11 KiB
Go
397 lines
11 KiB
Go
// sdk_generate.go - 完整优化版
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package prompts
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import (
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"context"
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"fmt"
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"log"
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"runtime/debug"
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"sdk-generator/internal/entitys"
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"strings"
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"sync"
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"time"
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"sdk-generator/internal/prompts/tools/crypt"
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"github.com/sashabaranov/go-openai"
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)
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// SDKGenerator SDK 代码生成器
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type SDKGenerator struct {
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openaiClient *openai.Client
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cryptoManager *crypt.CryptoSkillManager
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maxIterations int // 最大迭代次数,防止死循环
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timeout time.Duration // 总超时时间
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model string // OpenAI 模型
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}
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// SDKGeneratorOption 配置选项
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type SDKGeneratorOption func(*SDKGenerator)
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// WithMaxIterations 设置最大迭代次数
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func WithMaxIterations(n int) SDKGeneratorOption {
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return func(g *SDKGenerator) {
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g.maxIterations = n
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}
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}
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// WithTimeout 设置超时时间
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func WithTimeout(t time.Duration) SDKGeneratorOption {
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return func(g *SDKGenerator) {
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g.timeout = t
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}
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}
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// WithModel 设置模型
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func WithModel(model string) SDKGeneratorOption {
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return func(g *SDKGenerator) {
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g.model = model
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}
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}
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// NewSDKGenerator 创建 SDK 生成器
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func NewSDKGenerator(client *openai.Client, opts ...SDKGeneratorOption) *SDKGenerator {
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g := &SDKGenerator{
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openaiClient: client,
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cryptoManager: crypt.NewCryptoSkillManager(),
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maxIterations: 15,
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timeout: 10 * time.Minute,
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model: openai.GPT4,
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}
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for _, opt := range opts {
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opt(g)
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}
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return g
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}
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// GenerateSDK 生成 SDK 代码 - AI 自主决策流程
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func (g *SDKGenerator) GenerateSDK(ctx context.Context, doc string, sdkName string, needImplement string) (string, *entitys.Usage, error) {
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ctx, cancel := context.WithTimeout(ctx, g.timeout)
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defer cancel()
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systemPrompt := g.buildSystemPrompt(sdkName, needImplement)
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messages := []openai.ChatCompletionMessage{
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{
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Role: openai.ChatMessageRoleSystem,
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Content: systemPrompt,
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},
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{
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Role: openai.ChatMessageRoleUser,
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Content: fmt.Sprintf("请根据以下文档生成完整的 SDK 代码,必须包含所有 6 个文件:\n\n%s", doc),
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},
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}
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tools := g.cryptoManager.GetToolsForLLM()
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iteration := 0
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var allResults []string
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calledTools := make(map[string]bool)
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useAge := &entitys.Usage{}
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allFilesGenerated := false
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for {
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select {
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case <-ctx.Done():
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return "", useAge, ctx.Err()
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default:
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}
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iteration++
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if iteration > g.maxIterations {
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stats := g.cryptoManager.GetCalledTools()
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log.Printf("调试: 工具调用统计: %v", stats)
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return "", useAge, fmt.Errorf("超过最大迭代次数 %d,工具调用统计: %v", g.maxIterations, stats)
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}
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req := openai.ChatCompletionRequest{
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Model: g.model,
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Messages: messages,
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Tools: tools,
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ToolChoice: "auto",
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Temperature: 0.1,
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MaxTokens: 16384, // 增大 token 以生成完整代码
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}
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resp, err := g.openaiClient.CreateChatCompletion(ctx, req)
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if err != nil {
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return "", useAge, fmt.Errorf("调用 OpenAI 失败: %v", err)
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}
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choice := resp.Choices[0]
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msg := choice.Message
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// 检查是否包含完成标志
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if strings.Contains(msg.Content, "=== SDK 生成完成 ===") {
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log.Printf("✅ SDK 生成完成")
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if len(allResults) > 0 {
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return g.mergeResults(msg.Content, allResults), nil, nil
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}
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return msg.Content, useAge, nil
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}
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// 检查是否生成了所有文件
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if g.checkAllFilesGenerated(msg.Content) {
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allFilesGenerated = true
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log.Printf("✅ 所有 6 个文件已生成")
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if len(allResults) > 0 {
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return g.mergeResults(msg.Content, allResults), nil, nil
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}
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return msg.Content, useAge, nil
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}
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// 记录工具调用信息
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if len(msg.ToolCalls) > 0 {
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var toolNames []string
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for _, tc := range msg.ToolCalls {
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toolNames = append(toolNames, tc.Function.Name)
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calledTools[tc.Function.Name] = true
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}
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log.Printf("🔧 AI 调用工具: %v, 迭代次数: %d", toolNames, iteration)
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} else {
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log.Printf("📝 AI 回复长度: %d 字符", len(msg.Content))
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// 如果 AI 没有调用工具也没有完成,提示它继续
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if len(allResults) > 0 && !allFilesGenerated {
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messages = append(messages, openai.ChatCompletionMessage{
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Role: openai.ChatMessageRoleAssistant,
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Content: fmt.Sprintf("已获取 %d 个加密实现,请现在生成完整的 SDK 代码,包含所有 6 个文件。完成后输出 '=== SDK 生成完成 ==='", len(allResults)),
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})
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continue
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}
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}
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messages = append(messages, msg)
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if len(msg.ToolCalls) == 0 {
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if len(allResults) > 0 {
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return g.mergeResults(msg.Content, allResults), nil, nil
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}
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return msg.Content, useAge, nil
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}
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// 检查是否所有工具都已调用过
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allCalled := true
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for _, tc := range msg.ToolCalls {
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if !calledTools[tc.Function.Name] {
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allCalled = false
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break
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}
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}
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// 如果 AI 重复调用已调用的工具,强制终止并引导生成代码
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if allCalled && iteration > 2 {
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log.Printf("⚠️ AI 在重复调用已调用的工具,强制引导生成代码")
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messages = append(messages, openai.ChatCompletionMessage{
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Role: openai.ChatMessageRoleAssistant,
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Content: "所有加密工具已调用完成,请现在生成完整的 SDK 代码,包含所有 6 个文件。完成后输出 '=== SDK 生成完成 ==='",
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})
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continue
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}
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// 并行处理所有工具调用
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toolResults, results, err := g.processToolCalls(ctx, msg.ToolCalls)
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if err != nil {
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return "", useAge, err
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}
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allResults = append(allResults, results...)
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messages = append(messages, toolResults...)
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useAge.PromptTokens += resp.Usage.PromptTokens
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useAge.CompletionTokens += resp.Usage.CompletionTokens
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useAge.TotalTokens += resp.Usage.TotalTokens
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// 添加一个明确的提示,告诉 AI 继续
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messages = append(messages, openai.ChatCompletionMessage{
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Role: openai.ChatMessageRoleAssistant,
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Content: fmt.Sprintf("✅ 已获取 %d 个加密实现,请现在生成完整的 SDK 代码,包含所有 6 个文件。完成后输出 '=== SDK 生成完成 ==='", len(allResults)),
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})
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}
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}
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// processToolCalls 并行处理工具调用(带去重和 panic 保护)
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func (g *SDKGenerator) processToolCalls(ctx context.Context, toolCalls []openai.ToolCall) ([]openai.ChatCompletionMessage, []string, error) {
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// 去重
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seen := make(map[string]bool)
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var uniqueCalls []openai.ToolCall
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for _, tc := range toolCalls {
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key := tc.Function.Name + "|" + tc.Function.Arguments
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if !seen[key] {
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seen[key] = true
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uniqueCalls = append(uniqueCalls, tc)
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}
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}
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if len(uniqueCalls) < len(toolCalls) {
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log.Printf("🔧 工具调用去重: %d -> %d", len(toolCalls), len(uniqueCalls))
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}
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var wg sync.WaitGroup
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resultChan := make(chan openai.ChatCompletionMessage, len(uniqueCalls))
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resultDataChan := make(chan string, len(uniqueCalls))
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errChan := make(chan error, len(uniqueCalls))
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for _, toolCall := range uniqueCalls {
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wg.Add(1)
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go func(tc openai.ToolCall) {
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defer wg.Done()
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defer func() {
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if r := recover(); r != nil {
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errChan <- fmt.Errorf("工具 %s 执行时发生 panic: %v\n堆栈: %s",
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tc.Function.Name, r, string(debug.Stack()))
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}
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}()
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select {
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case <-ctx.Done():
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errChan <- ctx.Err()
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return
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default:
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}
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result, err := g.cryptoManager.ExecuteTool(ctx, tc)
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if err != nil {
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errChan <- fmt.Errorf("执行工具 %s 失败: %v", tc.Function.Name, err)
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return
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}
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resultChan <- openai.ChatCompletionMessage{
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Role: openai.ChatMessageRoleTool,
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Content: result,
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ToolCallID: tc.ID,
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}
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resultDataChan <- result
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}(toolCall)
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}
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wg.Wait()
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close(resultChan)
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close(resultDataChan)
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close(errChan)
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// 检查错误
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for err := range errChan {
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if err != nil {
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return nil, nil, err
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}
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}
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// 收集结果
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var toolResults []openai.ChatCompletionMessage
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var results []string
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for msg := range resultChan {
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toolResults = append(toolResults, msg)
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}
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for data := range resultDataChan {
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results = append(results, data)
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}
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return toolResults, results, nil
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}
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// checkAllFilesGenerated 检查是否生成了所有必要文件
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func (g *SDKGenerator) checkAllFilesGenerated(content string) bool {
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requiredFiles := []string{
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"go.mod",
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"client.go",
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"types.go",
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"crypto.go",
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"errors.go",
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"example_test.go",
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}
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foundCount := 0
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for _, file := range requiredFiles {
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if strings.Contains(content, "// File:") && strings.Contains(content, file) {
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foundCount++
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}
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}
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return foundCount >= len(requiredFiles)
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}
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// buildSystemPrompt 构建 System Prompt
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func (g *SDKGenerator) buildSystemPrompt(sdkName, needImplement string) string {
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if sdkName == "" {
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sdkName = "my-sdk"
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}
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basePrompt := strings.Replace(SdkGeneratePrompt, "{{sdk_name}}", sdkName, -1)
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basePrompt = strings.Replace(basePrompt, "{{needImplement}}", needImplement, -1)
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return fmt.Sprintf(basePrompt, g.cryptoManager.GetToolDescriptions())
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}
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// mergeResults 合并加密实现到最终代码
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func (g *SDKGenerator) mergeResults(code string, results []string) string {
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if len(results) == 0 {
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return code
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}
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var sb strings.Builder
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sb.WriteString(code)
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sb.WriteString("\n\n## 加密实现\n\n")
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sb.WriteString("以下是从加密工具获取的完整实现:\n\n")
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for i, result := range results {
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sb.WriteString(fmt.Sprintf("### 加密实现 %d\n\n", i+1))
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sb.WriteString(result)
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sb.WriteString("\n\n")
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}
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return sb.String()
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}
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const SdkGeneratePrompt = `你是一个资深的 Go 语言工程师,擅长生成高质量的 SDK 代码。
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## 任务
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根据用户提供的 API 接口文档,生成一个**完整的** Go SDK 代码工程。
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{{needImplement}}
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## ⚠️ 重要:输出格式要求(必须严格遵守)
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每个文件必须以以下格式输出:
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// File: {{sdk_name}}/文件名.go
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` + "```go" + `
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package {{sdk_name}}
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// ... 代码内容 ...
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` + "```" + `
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## 必须生成的文件列表(缺一不可)
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{{sdk_name}}/
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├── go.mod # 模块名为 {{sdk_name}}
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├── client.go # 客户端主文件,包含 NewClient 和所有 API 方法
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├── types.go # 所有请求/响应结构体定义
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├── crypto.go # 从工具获取的加密实现
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├── errors.go # 错误类型定义
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└── example_test.go # 使用示例
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## 重要:你有加密工具可用
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%s
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## 工具调用策略
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- 只在文档明确提到特定加密算法时才调用工具
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- 工具返回的是完整的实现代码,直接集成到 SDK 的 crypto.go 中
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- 每个工具**只调用一次**,不要重复调用
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## 工作流程
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1. 分析文档中的加密需求 → 调用对应的工具获取实现
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2. 将工具返回的代码放到 crypto.go 中
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3. **然后立即生成所有其他文件**:client.go、types.go、go.mod、errors.go、example_test.go
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## 代码规范
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- 遵循 Effective Go 规范
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- 所有导出类型/方法必须有 godoc 注释
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- context.Context 作为方法的第一个参数
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## 关键要求
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- Go 版本为 1.21
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- **必须生成所有 6 个文件,每个文件都必须完整输出**
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- 不要引用任何不存在的远程 GitHub 仓库
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- 生成的代码必须可直接编译运行
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## 完成标志
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当你生成了所有 6 个文件后,输出 "=== SDK 生成完成 ===" 表示任务完成。
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请开始工作,一次性生成所有文件。`
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