[Lldb-commits] [lldb] [lldb] Scalar::GetValue() should take a Stream by reference (PR #69231)

[Alex Langford via lldb-commits]

https://github.com/bulbazord created 
https://github.com/llvm/llvm-project/pull/69231

This function always expects the pointer to be valid, a reference seems more 
appropriate.

>From fd70abe32d822be5a791f8650c86ca61a86fa755 Mon Sep 17 00:00:00 2001
From: Alex Langford <alangf...@apple.com>
Date: Mon, 16 Oct 2023 10:46:42 -0700
Subject: [PATCH] [lldb] Scalar::GetValue() should take a Stream by reference

This function always expects the pointer to be valid, a reference seems
more appropriate.
---
 lldb/include/lldb/Utility/Scalar.h             |  2 +-
 lldb/source/Core/Value.cpp                     |  4 +++-
 lldb/source/Interpreter/CommandInterpreter.cpp |  2 +-
 lldb/source/Utility/Scalar.cpp                 | 10 +++++-----
 lldb/unittests/Utility/ScalarTest.cpp          |  2 +-
 5 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/lldb/include/lldb/Utility/Scalar.h 
b/lldb/include/lldb/Utility/Scalar.h
index 34c2111ae0ac6ee..8e087a5ddeb8552 100644
--- a/lldb/include/lldb/Utility/Scalar.h
+++ b/lldb/include/lldb/Utility/Scalar.h
@@ -101,7 +101,7 @@ class Scalar {
 
   const char *GetTypeAsCString() const { return GetValueTypeAsCString(m_type); 
}
 
-  void GetValue(Stream *s, bool show_type) const;
+  void GetValue(Stream &s, bool show_type) const;
 
   bool IsValid() const { return (m_type >= e_int) && (m_type <= e_float); }
 
diff --git a/lldb/source/Core/Value.cpp b/lldb/source/Core/Value.cpp
index 8efcfd3b4a1adac..995cc934c82044a 100644
--- a/lldb/source/Core/Value.cpp
+++ b/lldb/source/Core/Value.cpp
@@ -98,7 +98,9 @@ void Value::AppendBytes(const void *bytes, int len) {
 }
 
 void Value::Dump(Stream *strm) {
-  m_value.GetValue(strm, true);
+  if (!strm)
+    return;
+  m_value.GetValue(*strm, true);
   strm->Printf(", value_type = %s, context = %p, context_type = %s",
                Value::GetValueTypeAsCString(m_value_type), m_context,
                Value::GetContextTypeAsCString(m_context_type));
diff --git a/lldb/source/Interpreter/CommandInterpreter.cpp 
b/lldb/source/Interpreter/CommandInterpreter.cpp
index dcff53ff843f328..e1275ce711fc172 100644
--- a/lldb/source/Interpreter/CommandInterpreter.cpp
+++ b/lldb/source/Interpreter/CommandInterpreter.cpp
@@ -1773,7 +1773,7 @@ CommandInterpreter::PreprocessToken(std::string 
&expr_str) {
 
       StreamString value_strm;
       const bool show_type = false;
-      scalar.GetValue(&value_strm, show_type);
+      scalar.GetValue(value_strm, show_type);
       size_t value_string_size = value_strm.GetSize();
       if (value_string_size) {
         expr_str = value_strm.GetData();
diff --git a/lldb/source/Utility/Scalar.cpp b/lldb/source/Utility/Scalar.cpp
index 791c0fb74352913..5ad68065bce1b76 100644
--- a/lldb/source/Utility/Scalar.cpp
+++ b/lldb/source/Utility/Scalar.cpp
@@ -153,20 +153,20 @@ bool Scalar::IsZero() const {
   return false;
 }
 
-void Scalar::GetValue(Stream *s, bool show_type) const {
+void Scalar::GetValue(Stream &s, bool show_type) const {
   if (show_type)
-    s->Printf("(%s) ", GetTypeAsCString());
+    s.Printf("(%s) ", GetTypeAsCString());
 
   switch (m_type) {
   case e_void:
     break;
   case e_int:
-    s->PutCString(llvm::toString(m_integer, 10));
+    s.PutCString(llvm::toString(m_integer, 10));
     break;
   case e_float:
     llvm::SmallString<24> string;
     m_float.toString(string);
-    s->PutCString(string);
+    s.PutCString(string);
     break;
   }
 }
@@ -894,6 +894,6 @@ bool Scalar::SetBit(uint32_t bit) {
 
 llvm::raw_ostream &lldb_private::operator<<(llvm::raw_ostream &os, const 
Scalar &scalar) {
   StreamString s;
-  scalar.GetValue(&s, /*show_type*/ true);
+  scalar.GetValue(s, /*show_type*/ true);
   return os << s.GetString();
 }
diff --git a/lldb/unittests/Utility/ScalarTest.cpp 
b/lldb/unittests/Utility/ScalarTest.cpp
index 17dfc689dd4e87b..29a4bcd356f1135 100644
--- a/lldb/unittests/Utility/ScalarTest.cpp
+++ b/lldb/unittests/Utility/ScalarTest.cpp
@@ -241,7 +241,7 @@ TEST(ScalarTest, ExtractBitfield) {
 
 template <typename T> static std::string ScalarGetValue(T value) {
   StreamString stream;
-  Scalar(value).GetValue(&stream, false);
+  Scalar(value).GetValue(stream, false);
   return std::string(stream.GetString());
 }
 

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