2005-08-26 Graydon Hoare <graydon@redhat.com>

	* parse.cxx (scan): Preserve basic C-ish escapes.
	* translate.cxx (c_tmpcounter::declaring): New flag.
	(c_tmpcounter::declare_or_init): New helper method.
	(c_tmpcounter::visit_*): Use declare_or_init.
	(c_unparser::emit_function): Run a tmpcounter to initialize tmps.
	(c_unparser::emit_probe): Likewise.
	(c_unparser::c_strcpy): Use strlcpy.
	(c_unparser::c_strcat): Use strlcat.

1 files changed, 26 insertions, 2 deletions

diff --git a/parse.cxx b/parse.cxx
index 5b25a9c0..4a4b973f 100644
--- a/parse.cxx
+++ b/parse.cxx
@@ -332,8 +332,32 @@ lexer::scan ()
 	  if (c == '\"') // closing double-quotes
 	    break;
 	  else if (c == '\\')
-	    {
-	      // XXX: handle escape sequences
+	    {	      
+	      c = input_get ();
+	      switch (c)
+		{
+		case 'a':
+		case 'b':
+		case 't':
+		case 'n':
+		case 'v':
+		case 'f':
+		case 'r':
+		case '\\':
+
+		  // Pass these escapes through to the string value
+		  // beign parsed; it will "likely" be emitted into 
+		  // a C literal. 
+		  //
+		  // XXX: verify this assumption.
+
+		  n->content.push_back('\\');
+
+		default:
+
+		  n->content.push_back(c);
+		  break;
+		}
 	    }
 	  else
 	    n->content.push_back(c);