From dee70af1d3b6ca4caf1027b79eb471b28624fff8 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 30 Aug 2016 12:00:49 +0200
Subject: Add support for using '*' as target type in variable assignment

So these three are equivalent:

*: foo = 1
{*}: foo = 2
*{*}: foo = 3
---
 build2/parser.cxx                     | 11 ++++++++---
 tests/variable/type-pattern/buildfile |  6 ++++++
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/build2/parser.cxx b/build2/parser.cxx
index 526a905..689db66 100644
--- a/build2/parser.cxx
+++ b/build2/parser.cxx
@@ -522,11 +522,16 @@ namespace build2
                   if (!n.dir.empty ())
                     sg = enter_scope (*this, move (n.dir));
 
-                  // Resolve target type. If none is specified, use the root
-                  // of the hierarchy.
+                  // Resolve target type. If none is specified or if it is
+                  // '*', use the root of the hierarchy. So these are all
+                  // equivalent:
+                  //
+                  // *: foo = bar
+                  // {*}: foo = bar
+                  // *{*}: foo = bar
                   //
                   const target_type* ti (
-                    n.untyped ()
+                    n.untyped () || n.type == "*"
                     ? &target::static_type
                     : scope_->find_target_type (n.type));
 
diff --git a/tests/variable/type-pattern/buildfile b/tests/variable/type-pattern/buildfile
index 8c353a5..dd218ac 100644
--- a/tests/variable/type-pattern/buildfile
+++ b/tests/variable/type-pattern/buildfile
@@ -30,4 +30,10 @@ file{fox-x-fox}: x = $x # still '2'!
 *-foz: x = z        # any target
 file{x-foz}: x = $x # 'z'
 
+# These should all be the same.
+#
+*: x1 = X1
+{*}: x2 = X2
+*{*}: x3 = X3
+
 ./:
-- 
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