From ead246455adf1a215ec2715dad6533073a6beb4e Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Wed, 23 Oct 2019 17:53:01 +0000
Subject: Vendor import of stripped lldb trunk r375505, the last commit before
 the upstream Subversion repository was made read-only, and the LLVM project
 migrated to GitHub:

https://llvm.org/svn/llvm-project/lldb/trunk@375505
---
 .../ExpressionParser/Clang/ClangPersistentVariables.h | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

(limited to 'source/Plugins/ExpressionParser/Clang/ClangPersistentVariables.h')

diff --git a/source/Plugins/ExpressionParser/Clang/ClangPersistentVariables.h b/source/Plugins/ExpressionParser/Clang/ClangPersistentVariables.h
index b39f89ad7eef..95e6c3ac963d 100644
--- a/source/Plugins/ExpressionParser/Clang/ClangPersistentVariables.h
+++ b/source/Plugins/ExpressionParser/Clang/ClangPersistentVariables.h
@@ -45,11 +45,20 @@ public:
       uint32_t addr_byte_size) override;
 
   void RemovePersistentVariable(lldb::ExpressionVariableSP variable) override;
-  llvm::StringRef
-  GetPersistentVariablePrefix(bool is_error) const override {
+
+  llvm::StringRef GetPersistentVariablePrefix(bool is_error) const override {
     return "$";
   }
 
+  /// Returns the next file name that should be used for user expressions.
+  std::string GetNextExprFileName() {
+    std::string name;
+    name.append("<user expression ");
+    name.append(std::to_string(m_next_user_file_id++));
+    name.append(">");
+    return name;
+  }
+
   llvm::Optional<CompilerType>
   GetCompilerTypeFromPersistentDecl(ConstString type_name) override;
 
@@ -66,8 +75,10 @@ public:
   }
 
 private:
-  uint32_t m_next_persistent_variable_id; ///< The counter used by
-                                          ///GetNextResultName().
+  /// The counter used by GetNextExprFileName.
+  uint32_t m_next_user_file_id = 0;
+  // The counter used by GetNextPersistentVariableName
+  uint32_t m_next_persistent_variable_id = 0;
 
   typedef llvm::DenseMap<const char *, clang::NamedDecl *> PersistentDeclMap;
   PersistentDeclMap
-- 
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