From f52dd697159c6f6feb25d37bb0432b97ef3ac80d Mon Sep 17 00:00:00 2001
From: hufeng <hufeng20@huawei.com>
Date: Mon, 3 Apr 2023 19:45:57 +0800
Subject: [PATCH] Append index to exportEntry's localName

Signed-off-by: hufeng <hufeng20@huawei.com>
Change-Id: I34ca3320a91bf6aa3a8a315d6defe63ac6667263
---
 es2panda/parser/module/sourceTextModuleRecord.cpp | 12 ++++++++++++
 ts2panda/src/ecmaModule.ts                        |  6 ++++++
 2 files changed, 18 insertions(+)

diff --git a/es2panda/parser/module/sourceTextModuleRecord.cpp b/es2panda/parser/module/sourceTextModuleRecord.cpp
index a6b213ed4a..a5c1f4ad63 100644
--- a/es2panda/parser/module/sourceTextModuleRecord.cpp
+++ b/es2panda/parser/module/sourceTextModuleRecord.cpp
@@ -169,6 +169,18 @@ namespace panda::es2panda::parser {
         for (auto it = localExportEntries_.begin(); it != localExportEntries_.end();
              it = localExportEntries_.upper_bound(it->first))
         {
+            // local module variable's index is suffixed to the exportEntry's localName as format liking
+            // `[identifier]#index` to resolve resolvingBindings's index correctly in runtime.
+            std::pair<SourceTextModuleRecord::LocalExportEntryMap::iterator,
+                SourceTextModuleRecord::LocalExportEntryMap::iterator> localNames =
+                localExportEntries_.equal_range(it->first);
+            util::StringView updatedLocalName =
+                util::UString(std::string(it->first) + '#' + std::to_string(index), allocator_).View();
+            for (auto localNameIter = localNames.first; localNameIter != localNames.second; ++localNameIter) {
+                auto *entry = localNameIter->second;
+                entry->localName_ = updatedLocalName;
+            }
+
             CheckAndAssignIndex(moduleScope, it->first, &index);
         }
 
diff --git a/ts2panda/src/ecmaModule.ts b/ts2panda/src/ecmaModule.ts
index d69254de38..1be9e67a6a 100644
--- a/ts2panda/src/ecmaModule.ts
+++ b/ts2panda/src/ecmaModule.ts
@@ -244,6 +244,12 @@ export function assignIndexToModuleVariable(moduleScope: Scope) {
     let index: number = 0;
     // @ts-ignore
     moduleScope.module().getLocalExportEntries().forEach((entries: Array<Entry>, localName: string) => {
+        // local module variable's index is suffixed to the exportEntry's localName as format liking
+        // `[identifier]#index` to resolve resolvingBindings's index correctly in runtime.
+        let updatedLocalName: string = localName + '#' + index;
+        entries.forEach(entry => {
+            entry.localName = updatedLocalName;
+        });
         (<ModuleVariable>moduleScope.findLocal(localName)!).assignIndex(index++);
     });
     index = 0;
-- 
Gitee