Remove gen_closure.py

Newer C++ versions now contains language feature removing the need of the generated closure.h file.

1 files changed, 0 insertions, 171 deletions

diff --git a/vespalib/src/vespa/vespalib/util/gen_closure.py b/vespalib/src/vespa/vespalib/util/gen_closure.py
deleted file mode 100644
index 1784ec4a2be..00000000000
--- a/vespalib/src/vespa/vespalib/util/gen_closure.py
+++ /dev/null
@@ -1,171 +0,0 @@
-# Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
-import sys
-
-if len(sys.argv) < 3:
-    print "Too few arguments"
-    sys.exit()
-
-bound_args = int(sys.argv[1])
-unbound_args = int(sys.argv[2])
-
-def printCommentLine(comment):
-    print "// %s %s" % (comment, '-' * (79 - len(comment) - 4))
-
-arg_comment = [ 'no arguments', 'one argument', 'two arguments',
-                'three arguments', 'four arguments', 'five arguments' ]
-
-def param_list(prefix, name, count):
-    return "".join(["%s%s%d, " % (prefix, name, i)
-                    for i in range(1, count + 1)])
-def typename(args):
-    return "Closure%d" % (args,)
-
-def full_typename(args):
-    return "%s<%sR>" % (typename(args), param_list("", "P", args))
-
-
-print """// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
-// This file was generated by the gen_closure.py script.
-
-#pragma once
-
-#include <memory>
-
-namespace vespalib {
-"""
-printCommentLine("Interfaces")
-
-for i in range(unbound_args + 1):
-    print """
-/** Interface of closures that take %s. */
-template <%stypename R = void>
-struct %s {
-    typedef std::unique_ptr<%s > UP;
-
-    virtual ~%s() {}
-
-    virtual R call(%s) = 0;
-};""" % (arg_comment[i], param_list('typename ', 'P', i),
-         typename(i), full_typename(i), typename(i),
-         ", ".join(["P%d param%d" % (j, j) for j in range(1, i + 1)]))
-    if (i == 0):
-        print 'typedef Closure0<void> Closure;'
-print
-
-for unbound in range(unbound_args + 1):
-    printCommentLine("Closure%d" % unbound)
-    for bound in range(bound_args + 1):
-        print """
-/** Implementation of %s binding %s to a free function. */
-template <%s%stypename R>
-class %s_%d : public %s {
-    typedef R (*Func)(%s);
-
-    Func _func;%s
-
-    virtual R call(%s)
-    { return _func(%s); }
-
-public:
-    %s_%d(Func func%s)
-        : _func(func)%s {}
-};""" % (typename(unbound), arg_comment[bound],
-         param_list('typename ', 'T', bound),
-         param_list('typename ', 'P', unbound),
-         typename(unbound), bound, full_typename(unbound),
-         ", ".join(['T%d' % i for i in range(1, bound + 1)] +
-                   ['P%d' % i for i in range(1, unbound + 1)]),
-         "".join(['\n    T%d _arg%d;' % (i, i) for i in range(1, bound + 1)]),
-         ", ".join(["P%d param%d" % (i, i) for i in range(1, unbound + 1)]),
-         ", ".join(["std::move(_arg%d)" % i for i in range(1, bound + 1)] +
-                   ["std::move(param%d)" % (i) for i in range(1, unbound + 1)]),
-         typename(unbound), bound,
-         "".join([", T%d &&arg%d" % (i, i) for i in range(1, bound + 1)]),
-         "".join([", _arg%d(std::move(arg%d))" % (i, i) for i in range(1, bound + 1)]))
-    print
-
-    printCommentLine("MemberClosure%d" % unbound)
-    for bound in range(bound_args + 1):
-        print """
-/** Implementation of %s binding %s to a member function. */
-template <class Ptr, class Obj, %s%stypename R>
-class Member%s_%d : public %s {
-    typedef R (Obj::*MemFun)(%s);
-
-    Ptr _ptr;
-    MemFun _mem_fun;%s
-
-    virtual R call(%s)
-    { return ((*_ptr).*_mem_fun)(%s); }
-
-public:
-    Member%s_%s(Ptr ptr, MemFun mem_fun%s)
-        : _ptr(std::move(ptr)), _mem_fun(mem_fun)%s {}
-};""" % (typename(unbound), arg_comment[bound],
-         param_list('typename ', 'T', bound),
-         param_list('typename ', 'P', unbound),
-         typename(unbound), bound, full_typename(unbound),
-         ", ".join(['T%d' % i for i in range(1, bound + 1)] +
-                   ['P%d' % i for i in range(1, unbound + 1)]),
-         "".join(['\n    T%d _arg%d;' % (i, i) for i in range(1, bound + 1)]),
-         ", ".join(["P%d param%d" % (i, i) for i in range(1, unbound + 1)]),
-         ", ".join(["std::move(_arg%d)" % i for i in range(1, bound + 1)] +
-                   ["std::move(param%d)" % (i) for i in range(1, unbound + 1)]),
-         typename(unbound), bound,
-         "".join([", T%d arg%d" % (i, i) for i in range(1, bound + 1)]),
-         "".join([", _arg%d(std::move(arg%d))" % (i, i) for i in range(1, bound + 1)]))
-    print
-
-for unbound in range(unbound_args + 1):
-    printCommentLine("Function closures (%d)" % unbound)
-    for bound in range(bound_args + 1):
-        print """
-/** Creates a %s from a free function, binding %s. */
-template <%s%stypename R>
-std::unique_ptr<%s >
-makeClosure(R (*func)(%s)%s) {
-    return std::unique_ptr<%s >(
-            new %s_%d<%s%sR>(func%s));
-}""" % (typename(unbound), arg_comment[bound],
-       param_list('typename ', 'T', bound),
-       param_list('typename ', 'P', unbound),
-       full_typename(unbound),
-       ", ".join(['T%d' % i for i in range(1, bound + 1)] +
-                 ['P%d' % i for i in range(1, unbound + 1)]),
-       "".join([", T%d arg%d" % (i, i) for i in range(1, bound + 1)]),
-       full_typename(unbound),
-       typename(unbound), bound,
-       "".join(['T%d, ' % i for i in range(1, bound + 1)]),
-       "".join(['P%d, ' % i for i in range(1, unbound + 1)]),
-       "".join([", std::move(arg%d)" % (i) for i in range(1, bound + 1)])
-       )
-    print
-
-    printCommentLine("Member closures (%d)" % unbound)
-    for bound in range(bound_args + 1):
-        print """
-/** Creates a %s from a member function, binding %s. */
-template <class Ptr, class Obj, %s%stypename R>
-std::unique_ptr<%s >
-makeClosure(Ptr ptr, R (Obj::*mem_fun)(%s)%s) {
-    return std::unique_ptr<%s >(
-            new Member%s_%d<Ptr, Obj, %s%sR>(
-                    std::move(ptr), mem_fun%s));
-}""" % (typename(unbound), arg_comment[bound],
-       param_list('typename ', 'T', bound),
-       param_list('typename ', 'P', unbound),
-       full_typename(unbound),
-       ", ".join(['T%d' % i for i in range(1, bound + 1)] +
-                 ['P%d' % i for i in range(1, unbound + 1)]),
-       "".join([", T%d arg%d" % (i, i) for i in range(1, bound + 1)]),
-       full_typename(unbound),
-       typename(unbound), bound,
-       "".join(['T%d, ' % i for i in range(1, bound + 1)]),
-       "".join(['P%d, ' % i for i in range(1, unbound + 1)]),
-       "".join([", std::move(arg%d)" % (i) for i in range(1, bound + 1)])
-       )
-    print
-
-print """}  // namespace vespalib
-
-"""