From fa717b42574fe1a7c0c07393f6790595d39c33ae Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 6 May 2020 06:58:11 +0200
Subject: Add lexer mode data

---
 libbuild2/lexer.hxx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'libbuild2/lexer.hxx')

diff --git a/libbuild2/lexer.hxx b/libbuild2/lexer.hxx
index c7e96fb..6dc5027 100644
--- a/libbuild2/lexer.hxx
+++ b/libbuild2/lexer.hxx
@@ -121,7 +121,8 @@ namespace build2
     virtual void
     mode (lexer_mode,
           char pair_separator = '\0',
-          optional<const char*> escapes = nullopt);
+          optional<const char*> escapes = nullopt,
+          uintptr_t data = 0);
 
     // Enable attributes recognition for the next token.
     //
@@ -163,6 +164,7 @@ namespace build2
     struct state
     {
       lexer_mode mode;
+      uintptr_t  data;
       bool       attributes;
 
       char sep_pair;
-- 
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