Add printf format string parsing support for '

prefix to format conversions (POSIX extension).

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@123054 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 7 insertions, 2 deletions

diff --git a/include/clang/Analysis/Analyses/FormatString.h b/include/clang/Analysis/Analyses/FormatString.h
index 280b1260ac..cc1d3427e7 100644
--- a/include/clang/Analysis/Analyses/FormatString.h
+++ b/include/clang/Analysis/Analyses/FormatString.h
@@ -379,6 +379,7 @@ using analyze_format_string::OptionalAmount;
 using analyze_format_string::OptionalFlag;
 
 class PrintfSpecifier : public analyze_format_string::FormatSpecifier {
+  OptionalFlag HasThousandsGrouping; // ''', POSIX extension.
   OptionalFlag IsLeftJustified; // '-'
   OptionalFlag HasPlusPrefix; // '+'
   OptionalFlag HasSpacePrefix; // ' '
@@ -388,8 +389,8 @@ class PrintfSpecifier : public analyze_format_string::FormatSpecifier {
 public:
   PrintfSpecifier() :
     FormatSpecifier(/* isPrintf = */ true),
-    IsLeftJustified("-"), HasPlusPrefix("+"), HasSpacePrefix(" "),
-    HasAlternativeForm("#"), HasLeadingZeroes("0") {}
+    HasThousandsGrouping("'"), IsLeftJustified("-"), HasPlusPrefix("+"),
+    HasSpacePrefix(" "), HasAlternativeForm("#"), HasLeadingZeroes("0") {}
 
   static PrintfSpecifier Parse(const char *beg, const char *end);
 
@@ -397,6 +398,10 @@ public:
   void setConversionSpecifier(const PrintfConversionSpecifier &cs) {
     CS = cs;
   }
+  void setHasThousandsGrouping(const char *position) {
+    HasThousandsGrouping = true;
+    HasThousandsGrouping.setPosition(position);
+  }
   void setIsLeftJustified(const char *position) {
     IsLeftJustified = true;
     IsLeftJustified.setPosition(position);