From f8ce2e4edbf986248b7382a702d982173c2f41d0 Mon Sep 17 00:00:00 2001
From: Dimitri van Heesch <doxygen@gmail.com>
Date: Tue, 24 Sep 2019 21:31:40 +0200
Subject: issue #7265: Double quote character in C++ raw string literal causes
 Doxygen to process the string contents

---
 src/pre.l     | 25 +++++++++++++++++++++++++
 src/scanner.l | 11 +++++++++++
 2 files changed, 36 insertions(+)

diff --git a/src/pre.l b/src/pre.l
index c413a11..cebc98f 100644
--- a/src/pre.l
+++ b/src/pre.l
@@ -385,6 +385,7 @@ static bool               g_isSource;
 static bool               g_lexInit = FALSE;
 static int                g_fenceSize = 0;
 static bool               g_ccomment;
+static QCString           g_delimiter;
 
 //DefineDict* getGlobalDefineDict() 
 //{
@@ -1768,6 +1769,8 @@ static int yyread(char *buf,int max_size)
 ID	[a-z_A-Z\x80-\xFF][a-z_A-Z0-9\x80-\xFF]*
 B       [ \t]
 BN	[ \t\r\n]
+RAWBEGIN  (u|U|L|u8)?R\"[^ \t\(\)\\]{0,16}"("
+RAWEND    ")"[^ \t\(\)\\]{0,16}\"
 CHARLIT   (("'"\\[0-7]{1,3}"'")|("'"\\."'")|("'"[^'\\\n]{1,4}"'"))
 
 %option noyywrap
@@ -1782,6 +1785,7 @@ CHARLIT   (("'"\\[0-7]{1,3}"'")|("'"\\."'")|("'"[^'\\\n]{1,4}"'"))
 %x	CopyStringCs
 %x	CopyStringFtn
 %x	CopyStringFtnDouble
+%x      CopyRawString
 %x      Include
 %x      IncludeID
 %x      EndImport
@@ -1868,6 +1872,12 @@ CHARLIT   (("'"\\[0-7]{1,3}"'")|("'"\\."'")|("'"[^'\\\n]{1,4}"'"))
   					  g_yyLineNr+=text.contains('\n');
 					  outputArray(yytext,(int)yyleng);
   					}
+<CopyLine>{RAWBEGIN}                    {
+                                          g_delimiter = yytext+2;
+                                          g_delimiter=g_delimiter.left(g_delimiter.length()-1);
+					  outputArray(yytext,(int)yyleng);
+                                          BEGIN(CopyRawString);
+                                        }
 <CopyLine>"{"				{ // count brackets inside the main file
   					  if (g_includeStack.isEmpty()) 
 					  {
@@ -1945,6 +1955,21 @@ CHARLIT   (("'"\\[0-7]{1,3}"'")|("'"\\."'")|("'"[^'\\\n]{1,4}"'"))
 					  outputChar(*yytext);
 					  BEGIN( CopyLine );
 					}
+<CopyRawString>{RAWEND}                 {
+					  outputArray(yytext,(int)yyleng);
+                                          QCString delimiter = yytext+1;
+                                          delimiter=delimiter.left(delimiter.length()-1);
+                                          if (delimiter==g_delimiter)
+                                          {
+                                            BEGIN( CopyLine );
+                                          }
+                                        }
+<CopyRawString>[^)]+                    {
+					  outputArray(yytext,(int)yyleng);
+                                        }
+<CopyRawString>.                        {
+					  outputChar(*yytext);
+                                        }
 <CopyLine>{ID}/{BN}{0,80}"("		{
   					  g_expectGuard = FALSE;
   					  Define *def=0;
diff --git a/src/scanner.l b/src/scanner.l
index f6ffdff..07d5c71 100644
--- a/src/scanner.l
+++ b/src/scanner.l
@@ -142,6 +142,7 @@ static int              lastCopyArgStringContext;
 static int              lastCopyArgContext;
 static QCString         *copyArgString;
 static QCString         fullArgString;
+static QCString         dummyRawString;
 
 static ArgumentList     *currentArgumentList;
 static char             lastCopyArgChar;
@@ -5398,6 +5399,16 @@ OPERATOR  "operator"{B}*({ARITHOP}|{ASSIGNOP}|{LOGICOP}|{BITOP})
 					    BEGIN(HereDoc);
 					  }
   					}
+<SkipCurly,SkipCurlyCpp>{B}*{RAWBEGIN}  {
+                                          QCString raw=QCString(yytext).stripWhiteSpace();
+                                          g_delimiter = raw.data()+2;
+                                          g_delimiter=g_delimiter.left(g_delimiter.length()-1);
+                                          lastRawStringContext = YY_START;
+                                          dummyRawString.resize(0);
+                                          pCopyRawString = &dummyRawString;
+                                          *pCopyRawString+=yytext;
+                                          BEGIN(RawString);
+                                        }
 <SkipCurly,SkipCurlyCpp>[^\n#"'@\\/{}<]+ {
                                           lineCount();  // for g_column updates
   				          //addToBody(yytext);
-- 
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