spec: add Bench types for benchmaark instances

spec.ts

@@ -2,15 +2,16 @@ import * as path from 'path';
 import * as fs from "fs";
 import { promisify } from "util";
 import { SW_AUTOVEC } from "./environment";
+import { spec } from 'node:test/reporters';
 
-export interface SPECBench {
+export interface SPECBenchData {
     objectNames: string[];
     num: number;
     name: string;
     exe: string;
 }
 
-export const pop2: SPECBench = {
+export const pop2: SPECBenchData = {
     objectNames: [
         "netcdf/attr.o",
         "netcdf/dim.o",
@@ -341,16 +342,16 @@ export const pop2: SPECBench = {
 };
 
 
-export function benchpath(specdir: string, bench: SPECBench): string {
+export function benchpath(specdir: string, bench: SPECBenchData): string {
     return path.join(specdir, 'benchspec', 'CPU', `${bench.num}.${bench.name}`);
 }
 
-export function exepath(specdir: string, bench: SPECBench): string {
+export function exepath(specdir: string, bench: SPECBenchData): string {
     const benchmarkDir = benchpath(specdir, bench);
     return path.join(benchmarkDir, 'exe', bench.exe);
 }
 
-export function buildpath(specdir: string, bench: SPECBench): string {
+export function buildpath(specdir: string, bench: SPECBenchData): string {
     const benchmarkDir = benchpath(specdir, bench);
     return path.join(benchmarkDir, 'build');
 }
@@ -362,9 +363,9 @@ export function setenv(specdir: string): void {
 
 export interface SPEC {
     newConfig: (name: string, content: string) => Promise<void>;
-    benchpath: (bench: SPECBench) => string;
-    exepath: (bench: SPECBench) => string;
-    buildpath: (bench: SPECBench) => string;
+    benchpath: (bench: SPECBenchData) => string;
+    exepath: (bench: SPECBenchData) => string;
+    buildpath: (bench: SPECBenchData) => string;
     setenv: () => void;
 }
 
@@ -380,6 +381,25 @@ export function mkSPEC(specRoot: string): SPEC {
     };
 }
 
+export interface Bench {
+    benchpath: () => string;
+    exepath: () => string;
+    buildpath: () => string;
+    benchData: () => SPECBenchData;
+    spec: () => SPEC;
+}
+
+
+export function mkBench(spec: SPEC, bench: SPECBenchData): Bench {
+    return {
+        benchpath: () => spec.benchpath(bench),
+        exepath: () => spec.exepath(bench),
+        buildpath: () => spec.buildpath(bench),
+        benchData: () => bench,
+        spec: () => spec,
+    };
+}
+
 export const defaultSPEC = mkSPEC(path.join(SW_AUTOVEC, "spec2017"));
 
 const specTemplate = fs.readFileSync("assets/specTemplate.cfg").toString("utf-8");