Don't expand tabs in EscapeText, but rather expand them when writing out

the HTML file.  This should reduce the amount of memory pressure on the
rewriter for files that have a lot of tabs.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49406 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 14 insertions, 2 deletions

diff --git a/include/clang/Rewrite/HTMLRewrite.h b/include/clang/Rewrite/HTMLRewrite.h
index b8f9b95913..d5bdc89070 100644
--- a/include/clang/Rewrite/HTMLRewrite.h
+++ b/include/clang/Rewrite/HTMLRewrite.h
@@ -24,8 +24,20 @@ class Rewriter;
   
 namespace html {
 
-  void EscapeText(Rewriter& R, unsigned FileID, bool EscapeSpaces = false);
-  std::string EscapeText(const std::string& s, bool EscapeSpaces = false);
+  /// EscapeText - HTMLize a specified file so that special characters are
+  /// are translated so that they are not interpreted as HTML tags.  In this
+  /// version tabs are not replaced with spaces by default, as this can
+  /// introduce a serious performance overhead as the amount of replaced
+  /// text can be very large.
+  void EscapeText(Rewriter& R, unsigned FileID,
+                  bool EscapeSpaces = false, bool ReplacesTabs = false);
+
+  /// EscapeText - HTMLized the provided string so that special characters
+  ///  in 's' are not interpreted as HTML tags.  Unlike the version of
+  ///  EscapeText that rewrites a file, this version by default replaces tabs
+  ///  with spaces.
+  std::string EscapeText(const std::string& s,
+                         bool EscapeSpaces = false, bool ReplaceTabs = true);
 
   void AddLineNumbers(Rewriter& R, unsigned FileID);