explicitly handle windows and mac9 line endings

in practice, this matters only for backslashed line continuations

Task-number: 255336

1 files changed, 20 insertions, 5 deletions

diff --git a/tools/linguist/shared/cpp.cpp b/tools/linguist/shared/cpp.cpp
index 2e137cf..0aab661 100644
--- a/tools/linguist/shared/cpp.cpp
+++ b/tools/linguist/shared/cpp.cpp
@@ -134,13 +134,28 @@ static uint getChar()
         if (yyInPos >= yyInStr.size())
             return EOF;
         uint c = yyInStr[yyInPos++].unicode();
-        if (c == '\\' && yyInPos < yyInStr.size() && yyInStr[yyInPos].unicode() == '\n') {
-            ++yyCurLineNo;
-            ++yyInPos;
-            continue;
+        if (c == '\\' && yyInPos < yyInStr.size()) {
+            if (yyInStr[yyInPos].unicode() == '\n') {
+                ++yyCurLineNo;
+                ++yyInPos;
+                continue;
+            }
+            if (yyInStr[yyInPos].unicode() == '\r') {
+                ++yyCurLineNo;
+                ++yyInPos;
+                if (yyInPos < yyInStr.size() && yyInStr[yyInPos].unicode() == '\n')
+                    ++yyInPos;
+                continue;
+            }
         }
-        if (c == '\n')
+        if (c == '\r') {
+            if (yyInPos < yyInStr.size() && yyInStr[yyInPos].unicode() == '\n')
+                ++yyInPos;
+            c = '\n';
             ++yyCurLineNo;
+        } else if (c == '\n') {
+            ++yyCurLineNo;
+        }
         return c;
     }
 }