[compiler-rt] [NFC][sanitizer_symbolizer]Add StackTracePrinter class (PR #66530)

[Vitaly Buka via llvm-commits]

================
@@ -16,57 +16,64 @@
 
 namespace __sanitizer {
 
-TEST(SanitizerStacktracePrinter, RenderSourceLocation) {
+TEST(FormattedStackTracePrinter, RenderSourceLocation) {
   InternalScopedString str;
-  RenderSourceLocation(&str, "/dir/file.cc", 10, 5, false, "");
+  FormattedStackTracePrinter *printer = new FormattedStackTracePrinter();
+
+  printer->RenderSourceLocation(&str, "/dir/file.cc", 10, 5, false, "");
   EXPECT_STREQ("/dir/file.cc:10:5", str.data());
 
   str.clear();
-  RenderSourceLocation(&str, "/dir/file.cc", 11, 0, false, "");
+  printer->RenderSourceLocation(&str, "/dir/file.cc", 11, 0, false, "");
   EXPECT_STREQ("/dir/file.cc:11", str.data());
 
   str.clear();
-  RenderSourceLocation(&str, "/dir/file.cc", 0, 0, false, "");
+  printer->RenderSourceLocation(&str, "/dir/file.cc", 0, 0, false, "");
   EXPECT_STREQ("/dir/file.cc", str.data());
 
   str.clear();
-  RenderSourceLocation(&str, "/dir/file.cc", 10, 5, false, "/dir/");
+  printer->RenderSourceLocation(&str, "/dir/file.cc", 10, 5, false, "/dir/");
   EXPECT_STREQ("file.cc:10:5", str.data());
 
   str.clear();
-  RenderSourceLocation(&str, "/dir/file.cc", 10, 5, true, "");
+  printer->RenderSourceLocation(&str, "/dir/file.cc", 10, 5, true, "");
   EXPECT_STREQ("/dir/file.cc(10,5)", str.data());
 
   str.clear();
-  RenderSourceLocation(&str, "/dir/file.cc", 11, 0, true, "");
+  printer->RenderSourceLocation(&str, "/dir/file.cc", 11, 0, true, "");
   EXPECT_STREQ("/dir/file.cc(11)", str.data());
 
   str.clear();
-  RenderSourceLocation(&str, "/dir/file.cc", 0, 0, true, "");
+  printer->RenderSourceLocation(&str, "/dir/file.cc", 0, 0, true, "");
   EXPECT_STREQ("/dir/file.cc", str.data());
 
   str.clear();
-  RenderSourceLocation(&str, "/dir/file.cc", 10, 5, true, "/dir/");
+  printer->RenderSourceLocation(&str, "/dir/file.cc", 10, 5, true, "/dir/");
   EXPECT_STREQ("file.cc(10,5)", str.data());
 }
 
-TEST(SanitizerStacktracePrinter, RenderModuleLocation) {
+TEST(FormattedStackTracePrinter, RenderModuleLocation) {
   InternalScopedString str;
-  RenderModuleLocation(&str, "/dir/exe", 0x123, kModuleArchUnknown, "");
+  FormattedStackTracePrinter *printer = new FormattedStackTracePrinter();
----------------
vitalybuka wrote:

we don't need to leak here 

```
class TestFormattedStackTracePrinter : public FormattedStackTracePrinter {
public:
 ~ TestFormattedStackTracePrinter()
}
```

And you can declare them on stack

https://github.com/llvm/llvm-project/pull/66530