18 files changed, 176 insertions, 0 deletions

diff --git a/libmformat/.gitignore b/libmformat/.gitignore
new file mode 100644
index 0000000..1173da4
--- /dev/null
+++ b/libmformat/.gitignore
@@ -0,0 +1,19 @@
+# Compiler/linker output.
+#
+*.d
+*.ii
+*.o
+*.obj
+*.nms
+*.pcm
+*.ifc
+*.so
+*.dll
+*.a
+*.lib
+*.exp
+*.exe
+*.exe.dlls/
+*.exe.manifest
+
+version
diff --git a/libmformat/build/.gitignore b/libmformat/build/.gitignore
new file mode 100644
index 0000000..225c27f
--- /dev/null
+++ b/libmformat/build/.gitignore
@@ -0,0 +1 @@
+config.build
diff --git a/libmformat/build/bootstrap.build b/libmformat/build/bootstrap.build
new file mode 100644
index 0000000..9bf0463
--- /dev/null
+++ b/libmformat/build/bootstrap.build
@@ -0,0 +1,7 @@
+project = libmformat
+
+using version
+using config
+using dist
+using test
+using install
diff --git a/libmformat/build/export.build b/libmformat/build/export.build
new file mode 100644
index 0000000..3416bd3
--- /dev/null
+++ b/libmformat/build/export.build
@@ -0,0 +1,6 @@
+$out_root/:
+{
+  include libmformat/
+}
+
+export $out_root/libmformat/lib{mformat}
diff --git a/libmformat/build/root.build b/libmformat/build/root.build
new file mode 100644
index 0000000..0f4a099
--- /dev/null
+++ b/libmformat/build/root.build
@@ -0,0 +1,10 @@
+cxx.std = experimental
+
+cxx.features.symexport = true
+
+using cxx
+
+assert $cxx.features.modules 'c++ compiler does not support modules'
+
+mxx{*}: extension = mxx
+cxx{*}: extension = cxx
diff --git a/libmformat/buildfile b/libmformat/buildfile
new file mode 100644
index 0000000..83b174d
--- /dev/null
+++ b/libmformat/buildfile
@@ -0,0 +1,8 @@
+./: libmformat/ tests/ doc{version} file{manifest}
+
+doc{version}: file{manifest} # Generated by the version module.
+doc{version}: dist = true
+
+# Don't install tests.
+#
+dir{tests/}: install = false
diff --git a/libmformat/libmformat/buildfile b/libmformat/libmformat/buildfile
new file mode 100644
index 0000000..24acee5
--- /dev/null
+++ b/libmformat/libmformat/buildfile
@@ -0,0 +1,15 @@
+import libs = libstd-modules%liba{std-modules}
+
+lib{mformat}: {mxx cxx}{format} $libs
+
+# For pre-releases use the complete version to make sure they cannot be used
+# in place of another pre-release or the final version.
+#
+if $version.pre_release
+  lib{mformat}: bin.lib.version = @"-$version.project_id"
+else
+  lib{mformat}: bin.lib.version = @"-$version.major.$version.minor"
+
+# Install into the libmformat/ subdirectory of, say, /usr/include/.
+#
+install.include = $install.include/$project/
diff --git a/libmformat/libmformat/format.cxx b/libmformat/libmformat/format.cxx
new file mode 100644
index 0000000..fe6ad15
--- /dev/null
+++ b/libmformat/libmformat/format.cxx
@@ -0,0 +1,31 @@
+// file: libmformat/format.cxx -*- C++ -*-
+
+module format;
+
+import std.core; // transform()
+import std.io;   // to{upper,lower}()
+
+using namespace std;
+
+namespace format
+{
+  string
+  message (const string& g, const string& n, volume v)
+  {
+    string r (g);
+
+    auto tr = [&r] (char (*t) (char))
+    {
+      transform (r.begin (), r.end (), r.begin (), t);
+    };
+
+    switch (v)
+    {
+    case volume::quiet:  tr ([](char c) -> char {return tolower (c);}); break;
+    case volume::normal:                                                break;
+    case volume::loud:   tr ([](char c) -> char {return toupper (c);}); break;
+    }
+
+    return r += ", " + n + '!';
+  }
+}
diff --git a/libmformat/libmformat/format.mxx b/libmformat/libmformat/format.mxx
new file mode 100644
index 0000000..c1e69ee
--- /dev/null
+++ b/libmformat/libmformat/format.mxx
@@ -0,0 +1,13 @@
+// file: libmformat/format.mxx -*- C++ -*-
+
+export module format;
+
+import std.core;
+
+export namespace format
+{
+  enum class volume {quiet, normal, loud};
+
+  __symexport std::string
+  message (const std::string& greeting, const std::string& name, volume);
+}
diff --git a/libmformat/manifest b/libmformat/manifest
new file mode 100644
index 0000000..97ee836
--- /dev/null
+++ b/libmformat/manifest
@@ -0,0 +1,21 @@
+: 1
+name: libmformat
+version: 1.0.0
+summary: The modularized "Hello World" example formatter library
+license: MIT
+tags: c++, hello, world, formatter, example, modules
+description: \
+A simple library that implements the "Hello World" formatting in C++ with
+modules.
+\
+url: http://www.example.org/libmformat
+email: hello-users@example.org
+build-email: builds@build2.org
+build-exclude: *-msvc_15u0* ; Broken C++ modules support
+build-include: *-msvc_15*
+build-include: *-clang_5.0*
+build-exclude: * ; Requires C++ modules support
+requires: c++20
+depends: * build2 >= 0.6.0-
+depends: * bpkg >= 0.6.0-
+depends: libstd-modules
diff --git a/libmformat/tests/.gitignore b/libmformat/tests/.gitignore
new file mode 100644
index 0000000..e54525b
--- /dev/null
+++ b/libmformat/tests/.gitignore
@@ -0,0 +1 @@
+driver
diff --git a/libmformat/tests/build/.gitignore b/libmformat/tests/build/.gitignore
new file mode 100644
index 0000000..225c27f
--- /dev/null
+++ b/libmformat/tests/build/.gitignore
@@ -0,0 +1 @@
+config.build
diff --git a/libmformat/tests/build/bootstrap.build b/libmformat/tests/build/bootstrap.build
new file mode 100644
index 0000000..2c2de24
--- /dev/null
+++ b/libmformat/tests/build/bootstrap.build
@@ -0,0 +1,5 @@
+project = # Unnamed subproject.
+
+using config
+using dist
+using test
diff --git a/libmformat/tests/build/root.build b/libmformat/tests/build/root.build
new file mode 100644
index 0000000..58dffed
--- /dev/null
+++ b/libmformat/tests/build/root.build
@@ -0,0 +1,13 @@
+cxx.std = experimental
+
+using cxx
+
+cxx{*}: extension = cxx
+
+# Every exe{} in this subproject is by default a test.
+#
+exe{*}: test = true
+
+# Specify the test target for cross-testing.
+#
+test.target = $cxx.target
diff --git a/libmformat/tests/buildfile b/libmformat/tests/buildfile
new file mode 100644
index 0000000..1a8bcc9
--- /dev/null
+++ b/libmformat/tests/buildfile
@@ -0,0 +1 @@
+./: test/
diff --git a/libmformat/tests/test/buildfile b/libmformat/tests/test/buildfile
new file mode 100644
index 0000000..19d311d
--- /dev/null
+++ b/libmformat/tests/test/buildfile
@@ -0,0 +1,5 @@
+import libs  = libmformat%lib{mformat}
+import libs += libstd-modules%liba{std-modules}
+
+exe{driver}: cxx{driver} $libs
+exe{driver}: test.output = test.out
diff --git a/libmformat/tests/test/driver.cxx b/libmformat/tests/test/driver.cxx
new file mode 100644
index 0000000..9cc8748
--- /dev/null
+++ b/libmformat/tests/test/driver.cxx
@@ -0,0 +1,16 @@
+// file: tests/test/driver.cxx -*- C++ -*-
+
+import std.core;
+import std.io;
+import format;
+
+int
+main ()
+{
+  using namespace std;
+  using namespace format;
+
+  cout << message ("Hello", "World", volume::quiet) << endl;
+  cout << message ("Hello", "World", volume::normal) << endl;
+  cout << message ("Hello", "World", volume::loud) << endl;
+}
diff --git a/libmformat/tests/test/test.out b/libmformat/tests/test/test.out
new file mode 100644
index 0000000..7ce133b
--- /dev/null
+++ b/libmformat/tests/test/test.out
@@ -0,0 +1,3 @@
+hello, World!
+Hello, World!
+HELLO, World!