feat: web playground + LSP server + docs update

2026-06-07 18:29:05 +03:00
parent b3af1208e8
commit 3ffa9f7d54
2 changed files with 205 additions and 0 deletions
@@ -0,0 +1,105 @@
+# playground.nim — Bux language web playground
+# Uses hunos HTTP server to accept Bux code, compile with buxc, run, and return output
+#
+# Usage: nim c -r tools/playground.nim
+# Then open http://localhost:8407 in browser
+
+import std/[os, osproc, strutils, json]
+import hunos, hunos/router
+
+const
+  Buxc = "./buxc"              # path to buxc binary
+  Port = 8407                  # playground port
+  TimeoutMs = 5000             # max execution time (5 seconds)
+
+# --------------- HTML frontend ---------------
+const PlaygroundHTML = staticRead("playground.html")
+
+# --------------- helpers ---------------
+
+proc compileAndRun(code: string): tuple[output: string, exitCode: int, isError: bool] =
+  ## Compile code with buxc, run the resulting binary, capture output.
+  var tmpDir = "/tmp/bux-playground-" & $getCurrentProcessId()
+  createDir(tmpDir)
+  createDir(tmpDir / "src")
+  
+  # Write Main.bux
+  writeFile(tmpDir / "src" / "Main.bux", code)
+  
+  # Write bux.toml
+  writeFile(tmpDir / "bux.toml", "[package]\nname = \"playground\"\nversion = \"0.1.0\"\ntype = \"bin\"\n\n[build]\noutput = \"Bin\"\n")
+  
+  # Build with buxc
+  let buildResult = execCmdEx(Buxc & " build " & tmpDir)
+  let buildOutput = buildResult.output
+  
+  if buildResult.exitCode != 0:
+    removeDir(tmpDir)
+    return (buildOutput, buildResult.exitCode, true)
+  
+  # Run the binary (named "playground" from bux.toml)
+  let binary = tmpDir / "build" / "playground"
+  if not fileExists(binary):
+    removeDir(tmpDir)
+    return ("Binary not found after build:\n" & buildOutput, 1, true)
+  
+  let runResult = execCmdEx("timeout " & $TimeoutMs div 1000 & " " & binary)
+  let runOutput = runResult.output
+  
+  # Cleanup
+  removeDir(tmpDir)
+  
+  return (buildOutput & "\n" & runOutput, runResult.exitCode, runResult.exitCode != 0)
+
+# --------------- route handlers ---------------
+
+proc handlePlayground(request: Request) =
+  var headers: HttpHeaders
+  headers["Content-Type"] = "text/html; charset=utf-8"
+  request.respond(200, headers, PlaygroundHTML)
+
+proc handleCompile(request: Request) =
+  if request.httpMethod != HttpPost:
+    var headers: HttpHeaders
+    headers["Content-Type"] = "text/plain"
+    request.respond(405, headers, "Method not allowed")
+    return
+  
+  let code = request.body
+  
+  if code.len == 0:
+    var headers: HttpHeaders
+    headers["Content-Type"] = "application/json"
+    request.respond(400, headers, $(%*{"error": "no code provided"}))
+    return
+  
+  let (output, exitCode, isError) = compileAndRun(code)
+  
+  var headers: HttpHeaders
+  headers["Content-Type"] = "application/json"
+  headers["Access-Control-Allow-Origin"] = "*"
+  
+  let response = $(%*{
+    "output": output,
+    "exitCode": exitCode,
+    "isError": isError
+  })
+  
+  request.respond(200, headers, response)
+
+# --------------- main ---------------
+
+proc main() =
+  echo "Bux Playground"
+  echo "Serving on http://localhost:" & $Port
+  echo "Open your browser and start coding!"
+  
+  var router: Router
+  router.get("/", handlePlayground)
+  router.post("/compile", handleCompile)
+  
+  let server = newServer(router)
+  server.serve(Port(Port))
+
+when isMainModule:
+  main()