From 3a94a006aa1b1e61f7f8ba1375433eefd82ea112 Mon Sep 17 00:00:00 2001
From: Ravi Chande <rchande@microsoft.com>
Date: Wed, 29 May 2019 14:23:20 -0700
Subject: [PATCH] Pass a semicolon-delimited list of files excluded from VS
 Code. (#2171)

Pass Files.Exclude to omnisharp
---
 src/omnisharp/options.ts | 24 ++++++++++++++++++++++--
 src/omnisharp/server.ts  |  7 ++++++-
 2 files changed, 28 insertions(+), 3 deletions(-)

diff --git a/src/omnisharp/options.ts b/src/omnisharp/options.ts
index 611abc411..18062a708 100644
--- a/src/omnisharp/options.ts
+++ b/src/omnisharp/options.ts
@@ -29,7 +29,10 @@ export class Options {
         public razorPluginPath?: string,
         public defaultLaunchSolution?: string,
         public monoPath?: string,
-        public maxProjectFileCountForDiagnosticAnalysis?: number | null) { }
+        public excludePaths?: string[],
+        public maxProjectFileCountForDiagnosticAnalysis?: number | null) 
+        {    
+        }
 
     public static Read(vscode: vscode): Options {
         // Extra effort is taken below to ensure that legacy versions of options
@@ -84,6 +87,22 @@ export class Options {
 
         const maxProjectFileCountForDiagnosticAnalysis = csharpConfig.get<number | null>('maxProjectFileCountForDiagnosticAnalysis', 1000);
 
+        let workspaceConfig = vscode.workspace.getConfiguration();
+        let excludePaths = [];
+        if (workspaceConfig)
+        {
+            let excludeFilesOption = workspaceConfig.get<{ [i: string]: boolean }>('files.exclude');
+            if (excludeFilesOption)
+            {
+                for (let field in excludeFilesOption) {
+                    if (excludeFilesOption[field]) {
+                        excludePaths.push(field);
+                    }
+                }
+            }
+        }
+        
+
         return new Options(
             path,
             useGlobalMono,
@@ -107,7 +126,8 @@ export class Options {
             razorPluginPath,
             defaultLaunchSolution,
             monoPath,
-            maxProjectFileCountForDiagnosticAnalysis,
+            excludePaths,
+            maxProjectFileCountForDiagnosticAnalysis
         );
     }
 
diff --git a/src/omnisharp/server.ts b/src/omnisharp/server.ts
index 042f6287a..6d1506bff 100644
--- a/src/omnisharp/server.ts
+++ b/src/omnisharp/server.ts
@@ -323,6 +323,11 @@ export class OmniSharpServer {
             args.push('--debug');
         }
 
+        for (let i = 0; i < options.excludePaths.length; i++)
+        {
+            args.push(`FileOptions:SystemExcludeSearchPatterns:${i}=${options.excludePaths[i]}`);
+        }
+        
         if (options.enableMsBuildLoadProjectsOnDemand === true) {
             args.push('MsBuild:LoadProjectsOnDemand=true');
         }
@@ -356,7 +361,7 @@ export class OmniSharpServer {
             }
 
             this._serverProcess = launchResult.process;
-            this._delayTrackers = {};       
+            this._delayTrackers = {};
 
             await this._doConnect(options);
             this._setState(ServerState.Started);