From 44b819a703c4602d133163c395f799ba8e5400f0 Mon Sep 17 00:00:00 2001
From: ctw-ian <chentingwei2@huawei.com>
Date: Thu, 16 Feb 2023 12:01:58 +0800
Subject: [PATCH] Optimize abc size of ts2abc by removing useless string items

Issue:

Signed-off-by: ctw-ian <chentingwei2@huawei.com>
Change-Id: I92c78a572f9203640ea43b27bfdd9ae5235208a7
---
 ts2panda/src/ts2panda.ts | 30 +++++++++++++++++++++++++++---
 1 file changed, 27 insertions(+), 3 deletions(-)

diff --git a/ts2panda/src/ts2panda.ts b/ts2panda/src/ts2panda.ts
index f6d17a09f2e..5057c74af21 100644
--- a/ts2panda/src/ts2panda.ts
+++ b/ts2panda/src/ts2panda.ts
@@ -17,12 +17,17 @@ import * as ts from "typescript";
 import { CmdOptions } from "./cmdOptions";
 import { SourceTextModuleRecord } from "./ecmaModule";
 import {
+    Createarraywithbuffer,
+    Createobjectwithbuffer,
+    Defineclasswithbuffer,
     Imm,
     IRNode,
     IRNodeKind,
     Label,
+    Newlexenvwithname,
     OperandType,
-    VReg
+    VReg,
+    WideNewlexenvwithname,
 } from "./irnodes";
 import { LOGD } from "./log";
 import { PandaGen } from "./pandagen";
@@ -134,8 +139,10 @@ export class Ts2Panda {
                         let imm = <Imm>operand;
                         insImms.push(imm.value);
                     } else if (typeof (operand) === "string") {
-                        insIds.push(operand);
-                        Ts2Panda.strings.add(operand);
+                        if (!this.escapeLitIdString(insn, operand)) {
+                            insIds.push(operand);
+                            Ts2Panda.strings.add(operand);
+                        }
                     } else if (operand instanceof Label) {
                         let labelName = Ts2Panda.labelPrefix + operand.id;
                         insIds.push(labelName);
@@ -162,6 +169,23 @@ export class Ts2Panda {
         };
     }
 
+    static escapeLitIdString(insn: IRNode, operand: string): boolean {
+        if (insn instanceof Createarraywithbuffer || insn instanceof Createobjectwithbuffer ||
+            insn instanceof Newlexenvwithname || insn instanceof WideNewlexenvwithname) {
+            return true;
+        }
+
+        if (!(insn instanceof Defineclasswithbuffer)) {
+            return false;
+        }
+
+        if (insn.operands[2] == operand) {
+            return true;
+        }
+
+        return false;
+    }
+
     static dumpStringsArray(ts2abc: any) {
         let strings_arr = Array.from(Ts2Panda.strings);
 
-- 
Gitee