[PATCH] D24002: clang-rename: improve error message when -old-name is used and could not find symbol

[Miklos Vajna via cfe-commits]

vmiklos created this revision.
vmiklos added reviewers: klimek, omtcyfz.
vmiklos added a subscriber: cfe-commits.

Old output was:

clang-rename: could not find symbol at 
tools/clang/tools/extra/test/clang-rename/ClassFindByName.cpp:1:1 (offset 0). 

https://reviews.llvm.org/D24002

Files:
  clang-rename/USRFindingAction.cpp
  test/clang-rename/InvalidOldName.cpp

Index: test/clang-rename/InvalidOldName.cpp
===================================================================
--- /dev/null
+++ test/clang-rename/InvalidOldName.cpp
@@ -0,0 +1,2 @@
+// RUN: not clang-rename rename-all -new-name=Foo -old-name=Bar %s -- 2>&1 | 
FileCheck %s
+// CHECK: clang-rename: could not find symbol named Bar.
Index: clang-rename/USRFindingAction.cpp
===================================================================
--- clang-rename/USRFindingAction.cpp
+++ clang-rename/USRFindingAction.cpp
@@ -157,12 +157,16 @@
       FoundDecl = getNamedDeclFor(Context, OldName);
     }
     if (FoundDecl == nullptr) {
-      FullSourceLoc FullLoc(Point, SourceMgr);
-      errs() << "clang-rename: could not find symbol at "
-             << SourceMgr.getFilename(Point) << ":"
-             << FullLoc.getSpellingLineNumber() << ":"
-             << FullLoc.getSpellingColumnNumber() << " (offset " << 
SymbolOffset
-             << ").\n";
+      if (OldName.empty()) {
+        FullSourceLoc FullLoc(Point, SourceMgr);
+        errs() << "clang-rename: could not find symbol at "
+               << SourceMgr.getFilename(Point) << ":"
+               << FullLoc.getSpellingLineNumber() << ":"
+               << FullLoc.getSpellingColumnNumber() << " (offset "
+               << SymbolOffset << ").\n";
+      } else
+        errs() << "clang-rename: could not find symbol named " << OldName
+               << ".\n";
       return;
     }
 



Index: test/clang-rename/InvalidOldName.cpp
===================================================================
--- /dev/null
+++ test/clang-rename/InvalidOldName.cpp
@@ -0,0 +1,2 @@
+// RUN: not clang-rename rename-all -new-name=Foo -old-name=Bar %s -- 2>&1 | FileCheck %s
+// CHECK: clang-rename: could not find symbol named Bar.
Index: clang-rename/USRFindingAction.cpp
===================================================================
--- clang-rename/USRFindingAction.cpp
+++ clang-rename/USRFindingAction.cpp
@@ -157,12 +157,16 @@
       FoundDecl = getNamedDeclFor(Context, OldName);
     }
     if (FoundDecl == nullptr) {
-      FullSourceLoc FullLoc(Point, SourceMgr);
-      errs() << "clang-rename: could not find symbol at "
-             << SourceMgr.getFilename(Point) << ":"
-             << FullLoc.getSpellingLineNumber() << ":"
-             << FullLoc.getSpellingColumnNumber() << " (offset " << SymbolOffset
-             << ").\n";
+      if (OldName.empty()) {
+        FullSourceLoc FullLoc(Point, SourceMgr);
+        errs() << "clang-rename: could not find symbol at "
+               << SourceMgr.getFilename(Point) << ":"
+               << FullLoc.getSpellingLineNumber() << ":"
+               << FullLoc.getSpellingColumnNumber() << " (offset "
+               << SymbolOffset << ").\n";
+      } else
+        errs() << "clang-rename: could not find symbol named " << OldName
+               << ".\n";
       return;
     }
 

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