Pass computeDefaultStrings to query server when compiling queries

extensions/ql-vscode/src/pure/messages.ts

@@ -150,6 +150,11 @@ export interface CompilationOptions {
    * Whether to disable toString values in the results.
    */
   noComputeToString: boolean;
+  /**
+   * Whether to ensure that elements that do not have a displayString
+   * get reported anyway. Useful for universal compilation options.
+   */
+  computeDefaultStrings: boolean;
 }
 
 /**

extensions/ql-vscode/src/run-queries.ts

@@ -138,6 +138,7 @@ export class QueryInfo {
           localChecking: false,
           noComputeGetUrl: false,
           noComputeToString: false,
+          computeDefaultStrings: true
         },
         extraOptions: {
           timeoutSecs: qs.config.timeoutSecs

extensions/ql-vscode/src/vscode-tests/no-workspace/query-test.ts

@@ -168,6 +168,7 @@ describe('using the query server', function() {
             localChecking: false,
             noComputeGetUrl: false,
             noComputeToString: false,
+            computeDefaultStrings: true
           },
           queryToCheck: qlProgram,
           resultPath: COMPILED_QUERY_PATH,

extensions/ql-vscode/src/vscode-tests/no-workspace/run-queries.test.ts

@@ -52,6 +52,7 @@ describe('run-queries', () => {
             localChecking: false,
             noComputeGetUrl: false,
             noComputeToString: false,
+            computeDefaultStrings: true
           },
           extraOptions: {
             timeoutSecs: 5