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-rw-r--r--include/clang/Basic/DiagnosticLexKinds.td2
-rw-r--r--include/clang/Lex/Preprocessor.h8
2 files changed, 10 insertions, 0 deletions
diff --git a/include/clang/Basic/DiagnosticLexKinds.td b/include/clang/Basic/DiagnosticLexKinds.td
index b9dbaf2e9e..59c6ce77fd 100644
--- a/include/clang/Basic/DiagnosticLexKinds.td
+++ b/include/clang/Basic/DiagnosticLexKinds.td
@@ -285,6 +285,8 @@ def warn_cxx98_compat_empty_fnmacro_arg : Warning<
def note_macro_here : Note<"macro %0 defined here">;
def err_pp_invalid_directive : Error<"invalid preprocessing directive">;
+def err_pp_directive_required : Error<
+ "%0 must be used within a preprocessing directive">;
def err_pp_file_not_found : Error<"'%0' file not found">, DefaultFatal;
def err_pp_file_not_found_not_fatal : Error<
"'%0' file not found with <angled> include; use \"quotes\" instead">;
diff --git a/include/clang/Lex/Preprocessor.h b/include/clang/Lex/Preprocessor.h
index e7bd0dfeec..faaec3517d 100644
--- a/include/clang/Lex/Preprocessor.h
+++ b/include/clang/Lex/Preprocessor.h
@@ -160,6 +160,9 @@ class Preprocessor : public RefCountedBase<Preprocessor> {
/// \brief True if pragmas are enabled.
bool PragmasEnabled : 1;
+ /// \brief True if we are currently preprocessing a #if or #elif directive
+ bool ParsingIfOrElifDirective;
+
/// \brief True if we are pre-expanding macro arguments.
bool InMacroArgPreExpansion;
@@ -446,6 +449,11 @@ public:
/// \brief Retrieve the module loader associated with this preprocessor.
ModuleLoader &getModuleLoader() const { return TheModuleLoader; }
+ /// \brief True if we are currently preprocessing a #if or #elif directive
+ bool isParsingIfOrElifDirective() const {
+ return ParsingIfOrElifDirective;
+ }
+
/// SetCommentRetentionState - Control whether or not the preprocessor retains
/// comments in output.
void SetCommentRetentionState(bool KeepComments, bool KeepMacroComments) {