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authorKaren Arutyunov <karen@codesynthesis.com>2020-12-16 20:29:05 +0300
committerKaren Arutyunov <karen@codesynthesis.com>2021-02-24 16:40:04 +0300
commit8e761289a2446367267c6c0d9a26e734f0f78306 (patch)
treefb495d8c18801f271d124ee48731f10df396ca89 /libcutl/meta
parent4c8104756b92b9fa16b3a725e8a6aa620dfd606e (diff)
Get rid of legacy build systems and rename cutl/ to libcutl/
Diffstat (limited to 'libcutl/meta')
-rw-r--r--libcutl/meta/answer.hxx23
-rw-r--r--libcutl/meta/class-p.hxx26
-rw-r--r--libcutl/meta/polymorphic-p.hxx49
-rw-r--r--libcutl/meta/remove-c.hxx25
-rw-r--r--libcutl/meta/remove-cv.hxx22
-rw-r--r--libcutl/meta/remove-p.hxx25
-rw-r--r--libcutl/meta/remove-v.hxx25
7 files changed, 195 insertions, 0 deletions
diff --git a/libcutl/meta/answer.hxx b/libcutl/meta/answer.hxx
new file mode 100644
index 0000000..4a94c90
--- /dev/null
+++ b/libcutl/meta/answer.hxx
@@ -0,0 +1,23 @@
+// file : libcutl/meta/answer.hxx
+// license : MIT; see accompanying LICENSE file
+
+#ifndef LIBCUTL_META_ANSWER_HXX
+#define LIBCUTL_META_ANSWER_HXX
+
+namespace cutl
+{
+ namespace meta
+ {
+ struct yes
+ {
+ char filling;
+ };
+
+ struct no
+ {
+ char filling[2];
+ };
+ }
+}
+
+#endif // LIBCUTL_META_ANSWER_HXX
diff --git a/libcutl/meta/class-p.hxx b/libcutl/meta/class-p.hxx
new file mode 100644
index 0000000..fc7a111
--- /dev/null
+++ b/libcutl/meta/class-p.hxx
@@ -0,0 +1,26 @@
+// file : libcutl/meta/class-p.hxx
+// license : MIT; see accompanying LICENSE file
+
+#ifndef LIBCUTL_META_CLASS_HXX
+#define LIBCUTL_META_CLASS_HXX
+
+#include <libcutl/meta/answer.hxx>
+
+namespace cutl
+{
+ namespace meta
+ {
+ // g++ cannot have these inside class_p.
+ //
+ template <typename Y> no class_p_test (...);
+ template <typename Y> yes class_p_test (void (Y::*) ());
+
+ template <typename X>
+ struct class_p
+ {
+ static bool const r = sizeof (class_p_test<X> (0)) == sizeof (yes);
+ };
+ }
+}
+
+#endif // LIBCUTL_META_CLASS_HXX
diff --git a/libcutl/meta/polymorphic-p.hxx b/libcutl/meta/polymorphic-p.hxx
new file mode 100644
index 0000000..13fb531
--- /dev/null
+++ b/libcutl/meta/polymorphic-p.hxx
@@ -0,0 +1,49 @@
+// file : libcutl/meta/polymorphic-p.hxx
+// license : MIT; see accompanying LICENSE file
+
+#ifndef LIBCUTL_META_POLYMORPHIC_HXX
+#define LIBCUTL_META_POLYMORPHIC_HXX
+
+#include <libcutl/meta/class-p.hxx>
+#include <libcutl/meta/remove-cv.hxx>
+
+namespace cutl
+{
+ namespace meta
+ {
+ template <typename CVX>
+ struct polymorphic_p
+ {
+ typedef typename remove_cv<CVX>::r X;
+
+ template <typename Y, bool C>
+ struct impl
+ {
+ static const bool r = false;
+ };
+
+ template <typename Y>
+ struct impl<Y, true>
+ {
+ struct t1: Y
+ {
+ t1 ();
+ };
+
+ struct t2: Y
+ {
+ t2 ();
+
+ virtual
+ ~t2 () noexcept;
+ };
+
+ static const bool r = sizeof (t1) == sizeof (t2);
+ };
+
+ static const bool r = impl<X, class_p<X>::r>::r;
+ };
+ }
+}
+
+#endif // LIBCUTL_META_POLYMORPHIC_HXX
diff --git a/libcutl/meta/remove-c.hxx b/libcutl/meta/remove-c.hxx
new file mode 100644
index 0000000..7f5af3e
--- /dev/null
+++ b/libcutl/meta/remove-c.hxx
@@ -0,0 +1,25 @@
+// file : libcutl/meta/remove-c.hxx
+// license : MIT; see accompanying LICENSE file
+
+#ifndef LIBCUTL_META_REMOVE_C_HXX
+#define LIBCUTL_META_REMOVE_C_HXX
+
+namespace cutl
+{
+ namespace meta
+ {
+ template <typename X>
+ struct remove_c
+ {
+ typedef X r;
+ };
+
+ template <typename X>
+ struct remove_c<X const>
+ {
+ typedef X r;
+ };
+ }
+}
+
+#endif // LIBCUTL_META_REMOVE_C_HXX
diff --git a/libcutl/meta/remove-cv.hxx b/libcutl/meta/remove-cv.hxx
new file mode 100644
index 0000000..54780a6
--- /dev/null
+++ b/libcutl/meta/remove-cv.hxx
@@ -0,0 +1,22 @@
+// file : libcutl/meta/remove-cv.hxx
+// license : MIT; see accompanying LICENSE file
+
+#ifndef LIBCUTL_META_REMOVE_CV_HXX
+#define LIBCUTL_META_REMOVE_CV_HXX
+
+#include <libcutl/meta/remove-c.hxx>
+#include <libcutl/meta/remove-v.hxx>
+
+namespace cutl
+{
+ namespace meta
+ {
+ template <typename X>
+ struct remove_cv
+ {
+ typedef typename remove_v<typename remove_c<X>::r>::r r;
+ };
+ }
+}
+
+#endif // LIBCUTL_META_REMOVE_CV_HXX
diff --git a/libcutl/meta/remove-p.hxx b/libcutl/meta/remove-p.hxx
new file mode 100644
index 0000000..dc6a946
--- /dev/null
+++ b/libcutl/meta/remove-p.hxx
@@ -0,0 +1,25 @@
+// file : libcutl/meta/remove-p.hxx
+// license : MIT; see accompanying LICENSE file
+
+#ifndef LIBCUTL_META_REMOVE_P_HXX
+#define LIBCUTL_META_REMOVE_P_HXX
+
+namespace cutl
+{
+ namespace meta
+ {
+ template <typename X>
+ struct remove_p
+ {
+ typedef X r;
+ };
+
+ template <typename X>
+ struct remove_p<X*>
+ {
+ typedef X r;
+ };
+ }
+}
+
+#endif // LIBCUTL_META_REMOVE_P_HXX
diff --git a/libcutl/meta/remove-v.hxx b/libcutl/meta/remove-v.hxx
new file mode 100644
index 0000000..97439c3
--- /dev/null
+++ b/libcutl/meta/remove-v.hxx
@@ -0,0 +1,25 @@
+// file : libcutl/meta/remove-v.hxx
+// license : MIT; see accompanying LICENSE file
+
+#ifndef LIBCUTL_META_REMOVE_V_HXX
+#define LIBCUTL_META_REMOVE_V_HXX
+
+namespace cutl
+{
+ namespace meta
+ {
+ template <typename X>
+ struct remove_v
+ {
+ typedef X r;
+ };
+
+ template <typename X>
+ struct remove_v<X volatile>
+ {
+ typedef X r;
+ };
+ }
+}
+
+#endif // LIBCUTL_META_REMOVE_V_HXX