From a084c6650036db9f2a8cd69e31492c5dae237793 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 10 Nov 2016 16:33:12 +0200
Subject: Implement scope-if in testscript

---
 build2/test/script/parser | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

(limited to 'build2/test/script/parser')

diff --git a/build2/test/script/parser b/build2/test/script/parser
index a543edf..23a52d4 100644
--- a/build2/test/script/parser
+++ b/build2/test/script/parser
@@ -37,7 +37,8 @@ namespace build2
         void
         parse (script& s, runner& r)
         {
-          parse (s, s, r);
+          if (!s.empty ())
+            parse (s, s, r);
         }
 
         // Recursive descent parser.
@@ -51,6 +52,9 @@ namespace build2
         void
         parse (scope&, script&, runner&);
 
+        bool
+        demote_group_scope (unique_ptr<scope>&);
+
         token
         pre_parse_scope_body ();
 
@@ -75,11 +79,24 @@ namespace build2
         void
         parse_lines (lines::iterator, lines::iterator, size_t&, bool);
 
+        command_expr
+        parse_command_expr (token&, token_type&);
+
         bool
         pre_parse_if_else (token&, token_type&,
                            optional<description>&,
                            lines&);
 
+        bool
+        pre_parse_if_else_scope (token&, token_type&,
+                                 optional<description>&,
+                                 lines&);
+
+        bool
+        pre_parse_if_else_command (token&, token_type&,
+                                   optional<description>&,
+                                   lines&);
+
         void
         parse_directive_line (token&, token_type&);
 
-- 
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