feat(scan): add more log about child process

Author: iamcco

package.json

@@ -1,6 +1,6 @@
 {
   "name": "vim-language-server",
-  "version": "2.1.1",
+  "version": "2.1.2",
   "description": "vim language server",
   "keywords": [
     "viml",

src/server/buffer.ts

@@ -225,7 +225,7 @@ export class Buffer {
     try {
       this.resolveCompletionItems([node]);
     } catch (error) {
-      log.error(error.stack);
+      log.warn(`updateBufferByNode: ${error.stack}`);
     }
   }
 

src/server/builtin.ts

@@ -322,7 +322,7 @@ class Builtin {
     try {
       colorschemes = await fg(glob, { onlyFiles: false, deep: 0 });
     } catch (error) {
-      log.error(
+      log.warn(
         [
           `Index Colorschemes Error: ${JSON.stringify(glob)}`,
           `Error => ${error.stack || error.message || error}`,

src/server/parser.ts

@@ -3,7 +3,7 @@ import { join } from "path";
 import { from, Subject, timer } from "rxjs";
 import { waitMap } from "rxjs-operators/lib/waitMap";
 import { filter, map, switchMap } from "rxjs/operators";
-import { TextDocument } from "vscode-languageserver";
+import { TextDocument } from "vscode-languageserver-textdocument";
 import { URI } from "vscode-uri";
 
 import logger from "../common/logger";
@@ -24,6 +24,26 @@ const origin$: Subject<TextDocument> = new Subject<TextDocument>();
 let scanProcess: ChildProcess;
 let isScanRuntimepath: boolean = false;
 
+function send(params: any) {
+  if (!scanProcess) {
+    log.log('scan process do not exists')
+    return
+  }
+  if ((scanProcess as any).signalCode) {
+    log.log(`scan process signal code: ${(scanProcess as any).signalCode}`)
+    return
+  }
+  if (scanProcess.killed) {
+    log.log('scan process was killed')
+    return
+  }
+  scanProcess.send(params, (err) => {
+    if (err) {
+      log.warn(`Send error: ${err.stack || err.message || err.name}`)
+    }
+  })
+}
+
 function startIndex() {
   if (scanProcess) {
     return;
@@ -47,16 +67,32 @@ function startIndex() {
   });
 
   scanProcess.on("error", (err: Error) => {
-    log.error(`${err.stack || err.message || err}`);
+    log.warn(`${err.stack || err.message || err}`);
   });
 
-  scanProcess.send({
+  scanProcess.on('exit', (code, signal) => {
+    log.log(`exit: ${code}, signal: ${signal}`);
+  });
+
+  scanProcess.on('close', (code, signal) => {
+    log.log(`close: ${code}, signal: ${signal}`);
+  });
+
+  scanProcess.on('uncaughtException', (err) => {
+    log.log(`Uncaught exception: ${err.stack || err.message || err.name || err}`);
+  })
+
+  scanProcess.on('disconnect', () => {
+    log.log(`disconnect`);
+  })
+
+  send({
     config: {
       gap: config.indexes.gap,
       count: config.indexes.count,
       projectRootPatterns: config.indexes.projectRootPatterns,
     },
-  });
+  })
 }
 
 export function next(
@@ -85,17 +121,17 @@ export function next(
         // scan project
         if (!indexes[uri]) {
           indexes[uri] = true;
-          scanProcess.send({
+          send({
             uri,
-          });
+          })
           if (!isScanRuntimepath) {
             isScanRuntimepath = true;
             scan([config.vimruntime].concat(config.runtimepath));
           }
         }
       },
       (err: Error) => {
-        log.error(`${err.stack || err.message || err}`);
+        log.warn(`${err.stack || err.message || err}`);
       },
     );
   }
@@ -128,9 +164,9 @@ export function scan(paths: string | string[]) {
       if (!p || p === "/") {
         continue;
       }
-      scanProcess.send({
+      send({
         uri: URI.file(join(p, "f")).toString(),
-      });
+      })
     }
   }
 }