[lld-macho] Rename LazySymbol to LazyArchive. NFC

D116913 will add LazyObject. Rename LazySymbol to LazyArchive to avoid confusion
and mirror ELF.

Reviewed By: #lld-macho, Jez Ng

Differential Revision: https://reviews.llvm.org/D116914

lld/MachO/InputFiles.cpp

@@ -1426,7 +1426,7 @@ ArchiveFile::ArchiveFile(std::unique_ptr<object::Archive> &&f)
 
 void ArchiveFile::addLazySymbols() {
   for (const object::Archive::Symbol &sym : file->symbols())
-    symtab->addLazy(sym.getName(), this, sym);
+    symtab->addLazyArchive(sym.getName(), this, sym);
 }
 
 static Expected<InputFile *> loadArchiveMember(MemoryBufferRef mb,

lld/MachO/SymbolTable.cpp

@@ -113,7 +113,7 @@ Symbol *SymbolTable::addUndefined(StringRef name, InputFile *file,
 
   if (wasInserted)
     replaceSymbol<Undefined>(s, name, file, refState);
-  else if (auto *lazy = dyn_cast<LazySymbol>(s))
+  else if (auto *lazy = dyn_cast<LazyArchive>(s))
     lazy->fetchArchiveMember();
   else if (auto *dynsym = dyn_cast<DylibSymbol>(s))
     dynsym->reference(refState);
@@ -178,14 +178,14 @@ Symbol *SymbolTable::addDynamicLookup(StringRef name) {
   return addDylib(name, /*file=*/nullptr, /*isWeakDef=*/false, /*isTlv=*/false);
 }
 
-Symbol *SymbolTable::addLazy(StringRef name, ArchiveFile *file,
-                             const object::Archive::Symbol &sym) {
+Symbol *SymbolTable::addLazyArchive(StringRef name, ArchiveFile *file,
+                                    const object::Archive::Symbol &sym) {
   Symbol *s;
   bool wasInserted;
   std::tie(s, wasInserted) = insert(name, file);
 
   if (wasInserted) {
-    replaceSymbol<LazySymbol>(s, file, sym);
+    replaceSymbol<LazyArchive>(s, file, sym);
   } else if (isa<Undefined>(s)) {
     file->fetch(sym);
   } else if (auto *dysym = dyn_cast<DylibSymbol>(s)) {
@@ -193,7 +193,7 @@ Symbol *SymbolTable::addLazy(StringRef name, ArchiveFile *file,
       if (dysym->getRefState() != RefState::Unreferenced)
         file->fetch(sym);
       else
-        replaceSymbol<LazySymbol>(s, file, sym);
+        replaceSymbol<LazyArchive>(s, file, sym);
     }
   }
   return s;

lld/MachO/SymbolTable.h

@@ -51,8 +51,8 @@ public:
   Symbol *addDylib(StringRef name, DylibFile *file, bool isWeakDef, bool isTlv);
   Symbol *addDynamicLookup(StringRef name);
 
-  Symbol *addLazy(StringRef name, ArchiveFile *file,
-                  const llvm::object::Archive::Symbol &sym);
+  Symbol *addLazyArchive(StringRef name, ArchiveFile *file,
+                         const llvm::object::Archive::Symbol &sym);
 
   Defined *addSynthetic(StringRef name, InputSection *, uint64_t value,
                         bool isPrivateExtern, bool includeInSymtab,

lld/MachO/Symbols.cpp

@@ -101,4 +101,4 @@ uint64_t DylibSymbol::getVA() const {
   return isInStubs() ? getStubVA() : Symbol::getVA();
 }
 
-void LazySymbol::fetchArchiveMember() { getFile()->fetch(sym); }
+void LazyArchive::fetchArchiveMember() { getFile()->fetch(sym); }

lld/MachO/Symbols.h

@@ -37,7 +37,7 @@ public:
     UndefinedKind,
     CommonKind,
     DylibKind,
-    LazyKind,
+    LazyArchiveKind,
   };
 
   virtual ~Symbol() {}
@@ -280,15 +280,15 @@ private:
   const bool tlv : 1;
 };
 
-class LazySymbol : public Symbol {
+class LazyArchive : public Symbol {
 public:
-  LazySymbol(ArchiveFile *file, const llvm::object::Archive::Symbol &sym)
-      : Symbol(LazyKind, sym.getName(), file), sym(sym) {}
+  LazyArchive(ArchiveFile *file, const llvm::object::Archive::Symbol &sym)
+      : Symbol(LazyArchiveKind, sym.getName(), file), sym(sym) {}
 
   ArchiveFile *getFile() const { return cast<ArchiveFile>(file); }
   void fetchArchiveMember();
 
-  static bool classof(const Symbol *s) { return s->kind() == LazyKind; }
+  static bool classof(const Symbol *s) { return s->kind() == LazyArchiveKind; }
 
 private:
   const llvm::object::Archive::Symbol sym;
@@ -299,7 +299,7 @@ union SymbolUnion {
   alignas(Undefined) char b[sizeof(Undefined)];
   alignas(CommonSymbol) char c[sizeof(CommonSymbol)];
   alignas(DylibSymbol) char d[sizeof(DylibSymbol)];
-  alignas(LazySymbol) char e[sizeof(LazySymbol)];
+  alignas(LazyArchive) char e[sizeof(LazyArchive)];
 };
 
 template <typename T, typename... ArgT>

lld/MachO/UnwindInfoSection.cpp

@@ -226,7 +226,7 @@ void UnwindInfoSectionImpl<Ptr>::prepareRelocations(ConcatInputSection *isec) {
         // (See discussions/alternatives already considered on D107533)
         if (!defined->isExternal())
           if (Symbol *sym = symtab->find(defined->getName()))
-            if (sym->kind() != Symbol::LazyKind)
+            if (sym->kind() != Symbol::LazyArchiveKind)
               r.referent = s = sym;
       }
       if (auto *undefined = dyn_cast<Undefined>(s)) {