Made the "expected string literal" diagnostic more expressive

llvm-svn: 168267

1 files changed, 5 insertions, 2 deletions

diff --git a/clang/lib/Lex/Preprocessor.cpp b/clang/lib/Lex/Preprocessor.cpp
index 52d6bb6a83b..94885841057 100644
--- a/clang/lib/Lex/Preprocessor.cpp
+++ b/clang/lib/Lex/Preprocessor.cpp
@@ -691,10 +691,12 @@ void Preprocessor::LexAfterModuleImport(Token &Result) {
 }
 
 bool Preprocessor::FinishLexStringLiteral(Token &Result, std::string &String,
+                                          const char *DiagnosticTag,
                                           bool AllowMacroExpansion) {
   // We need at least one string literal.
   if (Result.isNot(tok::string_literal)) {
-    Diag(Result, diag::err_expected_string_literal);
+    Diag(Result, diag::err_expected_string_literal)
+      << /*Source='in...'*/0 << DiagnosticTag;
     return false;
   }
 
@@ -720,7 +722,8 @@ bool Preprocessor::FinishLexStringLiteral(Token &Result, std::string &String,
     return false;
 
   if (Literal.Pascal) {
-    Diag(StrToks[0].getLocation(), diag::err_expected_string_literal);
+    Diag(StrToks[0].getLocation(), diag::err_expected_string_literal)
+      << /*Source='in...'*/0 << DiagnosticTag;
     return false;
   }