From 45335da5145cff4c3e53c9fb6ba54d57a7814c2b Mon Sep 17 00:00:00 2001
From: Yingchi Long <i@lyc.dev>
Date: Sat, 22 Jun 2024 15:50:32 +0800
Subject: [PATCH] environment: make a dedicated directory

---
 src/environment.ts             | 21 --------------
 src/environment/index.ts       | 51 ++++++++++++++++++++++++++++++++++
 src/environment/llvm-prefix.ts | 11 ++++++++
 src/spec.ts                    | 12 +++-----
 4 files changed, 66 insertions(+), 29 deletions(-)
 delete mode 100644 src/environment.ts
 create mode 100644 src/environment/index.ts
 create mode 100644 src/environment/llvm-prefix.ts

diff --git a/src/environment.ts b/src/environment.ts
deleted file mode 100644
index 279faec..0000000
--- a/src/environment.ts
+++ /dev/null
@@ -1,21 +0,0 @@
-import path from "path";
-
-export const HOME = path.join("/home", "lyc");
-
-export const SW_AUTOVEC = path.join(HOME, "workspace", "sw-autovec");
-
-export const LLVM_SRC = path.join(SW_AUTOVEC, "swllvm-13.0.0-vect0919");
-export const LLVM_INSTALL = path.join(LLVM_SRC, "local", "installed");
-
-export const projectRoot = path.join(__dirname, "..", "..");
-
-/// Default toolchain version used in SPEC2017
-export const PREFIX = path.join(LLVM_INSTALL, "85e4fed0c9e4cd4ab8bce89f307127ccbad31294");
-export const PREFIXBIN = path.join(PREFIX, "bin");
-export const LLVM_EXTRACT = path.join(PREFIXBIN, "llvm-extract");
-
-export const CXX = path.join(PREFIXBIN, "clang++");
-export const CC = path.join(PREFIXBIN, "clang");
-export const FLANG = path.join(PREFIXBIN, "flang");
-
-export const SYSROOT_PREFIX = "/usr/sw/standard-830-6b-test";
diff --git a/src/environment/index.ts b/src/environment/index.ts
new file mode 100644
index 0000000..2ef41d5
--- /dev/null
+++ b/src/environment/index.ts
@@ -0,0 +1,51 @@
+import path from "path";
+
+
+export const SYSROOT_PREFIX = "/usr/sw/standard-830-6b-test";
+export const projectRoot = path.join(__dirname, "..", "..", "..");
+export const local = path.resolve(projectRoot, "local");
+
+
+/**
+ * User-specific environment on Sw6B machine.
+ */
+export interface Sw6BEnvironment {
+    /**
+     * Home directory
+     */
+    home: string;
+
+    /**
+     * Source to llvm-projdct
+     */
+    llvmSrc?: string;
+
+    /**
+     * Private directory, writable, to put llvm installation.
+     */
+    privateLLVMInstall?: string;
+
+    /**
+     * Shared llvm installation directory, readonly for all users.
+     */
+    sharedLLVMInstall?: string;
+
+    /**
+     * Path to default spec2017 installation.
+     */
+    spec2017: string;
+}
+
+
+export const lycEnv: Sw6BEnvironment = (() => {
+    const home = path.resolve("home", "lyc");
+    const swAutoVec = path.resolve(home, "workspace", "sw-autovec");
+    const llvmSrc = path.resolve(swAutoVec, "swllvm-13.0.0-vect0919");
+    const llvmInstall = path.resolve(llvmSrc, "local", "install");
+    return {
+        home,
+        privateLLVMInstall: llvmInstall,
+        sharedLLVMInstall: llvmInstall,
+        spec2017: path.resolve(swAutoVec, "spec2017")
+    };
+})();
diff --git a/src/environment/llvm-prefix.ts b/src/environment/llvm-prefix.ts
new file mode 100644
index 0000000..536746a
--- /dev/null
+++ b/src/environment/llvm-prefix.ts
@@ -0,0 +1,11 @@
+import path from "path";
+
+export function llvmToolchain(prefix: string) {
+    const bin = path.resolve(prefix, "bin");
+    return {
+        CC: path.resolve(bin, "clang"),
+        CXX: path.resolve(bin, "clang++"),
+        FC: path.resolve(bin, "flang"),
+        LLVM_EXTRACT: path.resolve(bin, "llvm-extract"),
+    };
+}
diff --git a/src/spec.ts b/src/spec.ts
index a5f025d..34b4d6c 100644
--- a/src/spec.ts
+++ b/src/spec.ts
@@ -1,12 +1,10 @@
 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';
-import { ChildProcess, ChildProcessByStdio } from 'child_process';
+import { ChildProcessByStdio } from 'child_process';
 import { Readable, Writable } from 'stream';
-import { Readline } from 'readline/promises';
 import { createInterface } from 'readline';
+import { projectRoot } from './environment';
 
 export interface SPECBenchData {
     objectNames: string[];
@@ -407,13 +405,11 @@ export function mkBench(spec: SPEC, bench: SPECBenchData): Bench {
     };
 }
 
-export const defaultSPEC = mkSPEC(path.join(SW_AUTOVEC, "spec2017"));
-
-const specTemplate = fs.readFileSync("assets/specTemplate.cfg").toString("utf-8");
+const specTemplate = fs.readFileSync(path.resolve(projectRoot, "assets", "specTemplate.cfg")).toString("utf-8");
 
 const writeFile = promisify(fs.writeFile);
 
-interface ConfigOptions {
+export interface ConfigOptions {
     gccdir: string;
     optimize: string;
 }