From 76be0a35f6c37cda7ba65530330f1ac246fb52a8 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 6 Apr 2022 11:26:52 +0200
Subject: Add support for rule hints

A rule hint is a target attribute, for example:

[rule_hint=cxx] exe{hello}: c{hello}

Rule hints can be used to resolve ambiguity when multiple rules match the same
target as well as to override an unambiguous match.
---
 build2/cli/rule.cxx   | 2 +-
 build2/cli/rule.hxx   | 2 +-
 build2/cli/target.cxx | 4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)

(limited to 'build2')

diff --git a/build2/cli/rule.cxx b/build2/cli/rule.cxx
index 5c03d9c..a11380e 100644
--- a/build2/cli/rule.cxx
+++ b/build2/cli/rule.cxx
@@ -41,7 +41,7 @@ namespace build2
     }
 
     bool compile_rule::
-    match (action a, target& t, const string&) const
+    match (action a, target& t) const
     {
       tracer trace ("cli::compile_rule::match");
 
diff --git a/build2/cli/rule.hxx b/build2/cli/rule.hxx
index b3ecc2c..0538c57 100644
--- a/build2/cli/rule.hxx
+++ b/build2/cli/rule.hxx
@@ -29,7 +29,7 @@ namespace build2
       compile_rule (data&& d): data (move (d)) {}
 
       virtual bool
-      match (action, target&, const string&) const override;
+      match (action, target&) const override;
 
       virtual recipe
       apply (action, target&) const override;
diff --git a/build2/cli/target.cxx b/build2/cli/target.cxx
index ca16044..37eee97 100644
--- a/build2/cli/target.cxx
+++ b/build2/cli/target.cxx
@@ -23,7 +23,7 @@ namespace build2
       &target_pattern_var<cli_ext_def>,
       nullptr,
       &file_search,
-      false
+      target_type::flag::none
     };
 
     // cli.cxx
@@ -69,7 +69,7 @@ namespace build2
       nullptr,
       nullptr,
       &target_search,
-      true // "See through" default iteration mode.
+      target_type::flag::see_through // Group with "see through" iteration.
     };
   }
 }
-- 
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