Support Omit Load Compile Command for Higher Performace Experience

i18n/chs/package.i18n.json

@@ -151,5 +151,6 @@
 	"cmake-tools.configuration.cmake.launchBehavior.description": "控制启动目标时启动终端将执行的操作。",
 	"cmake-tools.configuration.cmake.launchBehavior.reuseTerminal.description": "已重用启动终端实例，并且目标将在终端空闲时立即启动。",
 	"cmake-tools.configuration.cmake.launchBehavior.breakAndReuseTerminal.description": "已重用启动终端实例，并且将在启动目标之前发送中断命令以终止任何活动的前台进程。",
-	"cmake-tools.configuration.cmake.launchBehavior.newTerminal.description": "已创建新的终端实例，并且已在其中启动目标。系统不会自动清理现有终端。"
+	"cmake-tools.configuration.cmake.launchBehavior.newTerminal.description": "已创建新的终端实例，并且已在其中启动目标。系统不会自动清理现有终端。",
+	"cmake-tools.configuration.cmake.omitLoadCompileCommand.description" : "跳过加载 compile_commands.json， 牺牲部分功能以获取更高的性能体验。"
 }

package.json

@@ -1950,6 +1950,12 @@
           "default": false,
           "description": "%cmake-tools.configuration.cmake.ignoreCMakeListsMissing.description%",
           "scope": "resource"
+        },
+        "cmake.omitLoadCompileCommand": {
+          "type": "boolean",
+          "default": false,
+          "description": "%cmake-tools.configuration.cmake.omitLoadCompileCommand.description%",
+          "scope": "resource"
         }
       }
     },

package.nls.json

@@ -146,5 +146,6 @@
     "cmake-tools.configuration.cmake.launchBehavior.description": "Controls what happens with the launch terminal when you launch a target.",
     "cmake-tools.configuration.cmake.launchBehavior.reuseTerminal.description": "The launch terminal instance is reused and the target will launch as soon as the terminal is idle.",
     "cmake-tools.configuration.cmake.launchBehavior.breakAndReuseTerminal.description": "The launch terminal instance is reused and a break command is sent to terminate any active foreground process before launching the target.",
-    "cmake-tools.configuration.cmake.launchBehavior.newTerminal.description": "A new terminal instance is created and the target is launched in it. Existing terminals are not automatically cleaned up."
+    "cmake-tools.configuration.cmake.launchBehavior.newTerminal.description": "A new terminal instance is created and the target is launched in it. Existing terminals are not automatically cleaned up.",
+    "cmake-tools.configuration.cmake.omitLoadCompileCommand.description" : "Omit loading compile_commands.json, sacrifice some features for a higher performance experience."
 }

src/cmakeTools.ts

@@ -1194,8 +1194,9 @@ export class CMakeTools implements api.CMakeToolsAPI {
                 log.debug(localize('cannot.copy.compile.commands', 'Cannot copy {1} because it does not exist at {0}', compdbPath, 'compile_commands.json'));
             }
         }
-
-        if (compdbPaths.length > 0) {
+        if (this.workspaceContext.config.omitLoadCompileCommand) {
+            this.compilationDatabase = null;
+        } else if (compdbPaths.length > 0) {
             // Read the compilation database, and update our db property
             const newDB = await CompilationDatabase.fromFilePaths(compdbPaths);
             this.compilationDatabase = newDB;

src/config.ts

@@ -123,6 +123,7 @@ export interface ExtensionConfigurationSettings {
     emscriptenSearchDirs: string[];
     mergedCompileCommands: string | null;
     copyCompileCommands: string | null;
+    omitLoadCompileCommand: boolean;
     configureOnOpen: boolean | null;
     configureOnEdit: boolean;
     skipConfigureIfCachePresent: boolean | null;
@@ -400,6 +401,9 @@ export class ConfigurationReader implements vscode.Disposable {
     get copyCompileCommands(): string | null {
         return this.configData.copyCompileCommands;
     }
+    get omitLoadCompileCommand(): boolean {
+        return this.configData.omitLoadCompileCommand;
+    }
     get showSystemKits(): boolean {
         return this.configData.showSystemKits;
     }
@@ -469,6 +473,7 @@ export class ConfigurationReader implements vscode.Disposable {
         emscriptenSearchDirs: new vscode.EventEmitter<string[]>(),
         mergedCompileCommands: new vscode.EventEmitter<string | null>(),
         copyCompileCommands: new vscode.EventEmitter<string | null>(),
+        omitLoadCompileCommand: new vscode.EventEmitter<boolean>(),
         configureOnOpen: new vscode.EventEmitter<boolean | null>(),
         configureOnEdit: new vscode.EventEmitter<boolean>(),
         skipConfigureIfCachePresent: new vscode.EventEmitter<boolean | null>(),

test/unit-tests/config.test.ts

@@ -39,6 +39,7 @@ function createConfig(conf: Partial<ExtensionConfigurationSettings>): Configurat
         emscriptenSearchDirs: [],
         mergedCompileCommands: null,
         copyCompileCommands: null,
+        omitLoadCompileCommand: false,
         configureOnOpen: null,
         configureOnEdit: true,
         skipConfigureIfCachePresent: null,