Support MS-specific integer suffixes (i8, i16, i32, i64, i128).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49229 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/LiteralSupport.cpp b/lib/Lex/LiteralSupport.cpp
index aa0b831..7d775dc 100644
--- a/lib/Lex/LiteralSupport.cpp
+++ b/lib/Lex/LiteralSupport.cpp
@@ -349,6 +349,35 @@
}
continue; // Success.
case 'i':
+ if (PP.getLangOptions().Microsoft) {
+ // Allow i8, i16, i32, i64, and i128.
+ if (++s == ThisTokEnd) break;
+ switch (*s) {
+ case '8':
+ s++; // i8 suffix
+ break;
+ case '1':
+ if (++s == ThisTokEnd) break;
+ if (*s == '6') s++; // i16 suffix
+ else if (*s == '2') {
+ if (++s == ThisTokEnd) break;
+ if (*s == '8') s++; // i128 suffix
+ }
+ break;
+ case '3':
+ if (++s == ThisTokEnd) break;
+ if (*s == '2') s++; // i32 suffix
+ break;
+ case '6':
+ if (++s == ThisTokEnd) break;
+ if (*s == '4') s++; // i64 suffix
+ break;
+ default:
+ break;
+ }
+ break;
+ }
+ // fall through.
case 'I':
case 'j':
case 'J':