From: Argyrios Kyrtzidis <akyrtzi@gmail.com>
Date: Wed, 11 Apr 2012 18:15:01 +0000 (+0000)
Subject: [libclang] In cxloc::translateSourceRange make sure to handle locations in macro... 
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=eba8cd5967e47592285590360bde73063c9c226f;p=clang

[libclang] In cxloc::translateSourceRange make sure to handle locations in macro arguments
correctly. clang diagnostics can provide fixits inside a macro argument now.

rdar://11014346

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154517 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/Index/fix-its.c b/test/Index/fix-its.c
index 6be7fa5a7e..d5cb1af854 100644
--- a/test/Index/fix-its.c
+++ b/test/Index/fix-its.c
@@ -8,7 +8,7 @@ struct X {
 
 void f(struct X *x) {
   // CHECK: error: no member named 'wobble' in 'struct X'; did you mean 'wibble'?
-  // CHECK: FIX-IT: Replace [13:12 - 13:24] with "wibble"
+  // CHECK: FIX-IT: Replace [13:12 - 13:18] with "wibble"
   // CHECK: note: 'wibble' declared here
   MACRO(x->wobble = 17);
   // CHECK: error: no member named 'wabble' in 'struct X'; did you mean 'wibble'?
@@ -16,3 +16,12 @@ void f(struct X *x) {
   // CHECK: note: 'wibble' declared here
   x->wabble = 17;
 }
+
+int printf(const char *restrict, ...);
+
+void f2() {
+  unsigned long index;
+  // CHECK: warning: format specifies type 'int' but the argument has type 'unsigned long'
+  // CHECK: FIX-IT: Replace [26:17 - 26:19] with "%ld"
+  MACRO(printf("%d", index));
+}
diff --git a/tools/libclang/CIndex.cpp b/tools/libclang/CIndex.cpp
index 67c56a2674..808de3d253 100644
--- a/tools/libclang/CIndex.cpp
+++ b/tools/libclang/CIndex.cpp
@@ -112,10 +112,11 @@ CXSourceRange cxloc::translateSourceRange(const SourceManager &SM,
   // We want the last character in this location, so we will adjust the
   // location accordingly.
   SourceLocation EndLoc = R.getEnd();
-  if (EndLoc.isValid() && EndLoc.isMacroID())
+  if (EndLoc.isValid() && EndLoc.isMacroID() && !SM.isMacroArgExpansion(EndLoc))
     EndLoc = SM.getExpansionRange(EndLoc).second;
-  if (R.isTokenRange() && !EndLoc.isInvalid() && EndLoc.isFileID()) {
-    unsigned Length = Lexer::MeasureTokenLength(EndLoc, SM, LangOpts);
+  if (R.isTokenRange() && !EndLoc.isInvalid()) {
+    unsigned Length = Lexer::MeasureTokenLength(SM.getSpellingLoc(EndLoc),
+                                                SM, LangOpts);
     EndLoc = EndLoc.getLocWithOffset(Length);
   }