[Lldb-commits] [lldb] [lldb] Support custom LLVM formatting for variables (PR #91868)

[Adrian Prantl via lldb-commits]

================
@@ -658,6 +659,38 @@ static char ConvertValueObjectStyleToChar(
   return '\0';
 }
 
+static llvm::Regex LLVMFormatPattern{"x[-+]?\\d*|n|d", llvm::Regex::IgnoreCase};
+
+static bool DumpValueWithLLVMFormat(Stream &s, llvm::StringRef options,
+                                    ValueObject &valobj) {
+  std::string formatted;
+  std::string llvm_format = ("{0:" + options + "}").str();
+
+  // Options supported by format_provider<T> for integral arithmetic types.
+  // See table in FormatProviders.h.
+
+  auto type_info = valobj.GetTypeInfo();
+  if (type_info & eTypeIsInteger && LLVMFormatPattern.match(options)) {
----------------
adrian-prantl wrote:

```suggestion
  if ((type_info & eTypeIsInteger) && LLVMFormatPattern.match(options)) {
```

https://github.com/llvm/llvm-project/pull/91868