From e2ae2a714d623473b7e85c32b22a08156f461d77 Mon Sep 17 00:00:00 2001
From: Giles Bathgate <gilesbathgate@gmail.com>
Date: Wed, 17 Nov 2010 21:27:10 +0000
Subject: This adds support for escape sequences in strings e.g \t \n \r \" \\


diff --git a/src/lexer.l b/src/lexer.l
index 49243fd..b949169 100644
--- a/src/lexer.l
+++ b/src/lexer.l
@@ -140,11 +140,15 @@ use[ \t\r\n>]*"<"[^ \t\r\n>]+">" {
 {DIGIT}+|{DIGIT}*\.{DIGIT}+|{DIGIT}+\.{DIGIT}* { parserlval.number = QString(yytext).toDouble(); return TOK_NUMBER; }
 "$"?[a-zA-Z0-9_]+ { parserlval.text = strdup(yytext); return TOK_ID; }
 
-\"[^"]*\" {
-	parserlval.text = strdup(yytext+1);
-	parserlval.text[strlen(parserlval.text)-1] = 0;
-	return TOK_STRING;
-}
+\"(\\[tnr\"\\]|[^\\"])*\" { QString str(yytext+1);
+			  str.chop(1);
+			  str=str.replace("\\\\","\\");
+			  str=str.replace("\\\"","\"");
+			  str=str.replace("\\t","\t");
+			  str=str.replace("\\n","\n");
+			  str=str.replace("\\r","\r");
+			  parserlval.text = strdup(str.toAscii().data());
+			  return TOK_STRING; }
 
 [\n\r\t ]
 \/\/[^\n]*\n?
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