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authorKaren Arutyunov <karen@codesynthesis.com>2020-06-26 18:04:09 +0300
committerKaren Arutyunov <karen@codesynthesis.com>2020-06-26 18:35:19 +0300
commite21cfd4593932caefc08d1f7ad0f966dcda324d9 (patch)
treeae84667cb325794803a725c89044873b23da9b94 /libbuild2
parent64429b9e46c988256a1d196aa0159ba71744b332 (diff)
Drop workarounds for script::redirect struct compile errors
Thanks to the butl::optional improvement to better deal with lack of copy/move constructors.
Diffstat (limited to 'libbuild2')
-rw-r--r--libbuild2/script/script.cxx51
-rw-r--r--libbuild2/script/script.hxx11
2 files changed, 4 insertions, 58 deletions
diff --git a/libbuild2/script/script.cxx b/libbuild2/script/script.cxx
index ee238cc..6ee702e 100644
--- a/libbuild2/script/script.cxx
+++ b/libbuild2/script/script.cxx
@@ -712,57 +712,6 @@ namespace build2
}
}
}
-
- redirect::
- redirect (const redirect& r)
- : type (r.type),
- token (r.token),
- end (r.end),
- end_line (r.end_line),
- end_column (r.end_column)
- {
- switch (type)
- {
- case redirect_type::none:
- case redirect_type::pass:
- case redirect_type::null:
- case redirect_type::trace: break;
-
- case redirect_type::merge: fd = r.fd; break;
-
- case redirect_type::here_str_literal:
- case redirect_type::here_doc_literal:
- {
- new (&str) string (r.str);
- break;
- }
- case redirect_type::here_str_regex:
- case redirect_type::here_doc_regex:
- {
- new (&regex) regex_lines (r.regex);
- break;
- }
- case redirect_type::file:
- {
- new (&file) file_type (r.file);
- break;
- }
- case redirect_type::here_doc_ref:
- {
- new (&ref) reference_wrapper<const redirect> (r.ref);
- break;
- }
- }
- }
-
- redirect& redirect::
- operator= (const redirect& r)
- {
- if (this != &r)
- *this = redirect (r); // Reduce to move-assignment.
- return *this;
- }
-
// environment
//
void environment::
diff --git a/libbuild2/script/script.hxx b/libbuild2/script/script.hxx
index 8e1c852..4a62c77 100644
--- a/libbuild2/script/script.hxx
+++ b/libbuild2/script/script.hxx
@@ -210,16 +210,13 @@ namespace build2
assert (t == redirect_type::merge && (f == 1 || f == 2));
}
+ // Movable-only type.
+ //
redirect (redirect&&) noexcept;
redirect& operator= (redirect&&) noexcept;
- // @@ Defining optional movable-only redirects in the command class make
- // the older C++ compilers (GCC 4.9, Clang 4, VC 15) fail to compile the
- // command vector manipulating code. Thus, we make the redirect class
- // copyable to workaround the issue.
- //
- redirect (const redirect&);
- redirect& operator= (const redirect&);
+ redirect (const redirect&) = delete;
+ redirect& operator= (const redirect&) = delete;
~redirect ();