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package main
import (
"flag"
"log"
"os"
"strings"
"hexai/internal"
"hexai/internal/appconfig"
"hexai/internal/llm"
"hexai/internal/logging"
"hexai/internal/lsp"
)
func main() {
logPath := flag.String("log", "/tmp/hexai-lsp.log", "path to log file (optional)")
showVersion := flag.Bool("version", false, "print version and exit")
flag.Parse()
if *showVersion {
log.Println(internal.Version)
return
}
// Configure logging (path flag only)
logger := log.New(os.Stderr, "hexai-lsp ", log.LstdFlags|log.Lmsgprefix)
if *logPath != "" {
f, err := os.OpenFile(*logPath, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0644)
if err != nil {
logger.Fatalf("failed to open log file: %v", err)
}
defer f.Close()
logger.SetOutput(f)
}
logging.Bind(logger)
// Load config file
cfg := appconfig.Load(logger)
// Normalize and apply logging config
cfg.ContextMode = strings.ToLower(strings.TrimSpace(cfg.ContextMode))
if cfg.LogPreviewLimit >= 0 {
logging.SetLogPreviewLimit(cfg.LogPreviewLimit)
}
// Build LLM client from config
var client llm.Client
{
llmCfg := llm.Config{
Provider: cfg.Provider,
OpenAIBaseURL: cfg.OpenAIBaseURL,
OpenAIModel: cfg.OpenAIModel,
OllamaBaseURL: cfg.OllamaBaseURL,
OllamaModel: cfg.OllamaModel,
CopilotBaseURL: cfg.CopilotBaseURL,
CopilotModel: cfg.CopilotModel,
}
oaKey := os.Getenv("OPENAI_API_KEY")
cpKey := os.Getenv("COPILOT_API_KEY")
if c, err := llm.NewFromConfig(llmCfg, oaKey, cpKey); err != nil {
logging.Logf("lsp ", "llm disabled: %v", err)
} else {
client = c
logging.Logf("lsp ", "llm enabled provider=%s model=%s", c.Name(), c.DefaultModel())
}
}
server := lsp.NewServer(os.Stdin, os.Stdout, logger, lsp.ServerOptions{
LogContext: *logPath != "",
MaxTokens: cfg.MaxTokens,
ContextMode: cfg.ContextMode,
WindowLines: cfg.ContextWindowLines,
MaxContextTokens: cfg.MaxContextTokens,
NoDiskIO: cfg.NoDiskIO,
Client: client,
TriggerCharacters: cfg.TriggerCharacters,
})
if err := server.Run(); err != nil {
logger.Fatalf("server error: %v", err)
}
}
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