[PATCH] D57228: [clangd] Make USRs for macros to be position independent

[Kadir Cetinkaya via Phabricator via cfe-commits]

kadircet created this revision.
kadircet added a reviewer: jkorous.
Herald added subscribers: cfe-commits, arphaman, MaskRay, ioeric, ilya-biryukov.

USRs for macros were not cannonical due to usage of cursor location
instead of definition location.


Repository:
  rCTE Clang Tools Extra

https://reviews.llvm.org/D57228

Files:
  clangd/XRefs.cpp
  unittests/clangd/SymbolInfoTests.cpp


Index: unittests/clangd/SymbolInfoTests.cpp
===================================================================
--- unittests/clangd/SymbolInfoTests.cpp
+++ unittests/clangd/SymbolInfoTests.cpp
@@ -149,7 +149,13 @@
           #define MACRO 5\nint i = MAC^RO;
         )cpp",
               {CreateExpectedSymbolDetails("MACRO", "",
-                                           "c:TestTU.cpp at 55@macro at MACRO")}},
+                                           "c:TestTU.cpp at 38@macro at MACRO")}},
+          {
+              R"cpp( // Macro reference
+          #define MACRO 5\nint i = MACRO^;
+        )cpp",
+              {CreateExpectedSymbolDetails("MACRO", "",
+                                           "c:TestTU.cpp at 38@macro at MACRO")}},
           {
               R"cpp( // Multiple symbols returned - using overloaded function name
           void foo() {}
Index: clangd/XRefs.cpp
===================================================================
--- clangd/XRefs.cpp
+++ clangd/XRefs.cpp
@@ -794,7 +794,8 @@
     SymbolDetails NewMacro;
     NewMacro.name = Macro.Name;
     llvm::SmallString<32> USR;
-    if (!index::generateUSRForMacro(NewMacro.name, Loc, SM, USR)) {
+    if (!index::generateUSRForMacro(NewMacro.name,
+                                    Macro.Info->getDefinitionLoc(), SM, USR)) {
       NewMacro.USR = USR.str();
       NewMacro.ID = SymbolID(NewMacro.USR);
     }


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