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-rw-r--r--libbuild2/algorithm.hxx4
-rw-r--r--libbuild2/algorithm.ixx4
-rw-r--r--libbuild2/cc/pkgconfig.hxx8
-rw-r--r--libbuild2/context.hxx4
-rw-r--r--libbuild2/context.ixx4
-rw-r--r--libbuild2/file-cache.hxx8
-rw-r--r--libbuild2/file-cache.ixx8
-rw-r--r--libbuild2/parser.cxx12
-rw-r--r--libbuild2/prerequisite.hxx10
-rw-r--r--libbuild2/scheduler.hxx20
-rw-r--r--libbuild2/script/parser.cxx2
-rw-r--r--libbuild2/script/parser.hxx2
-rw-r--r--libbuild2/script/regex.hxx12
-rw-r--r--libbuild2/target-type.hxx2
-rw-r--r--libbuild2/types.hxx4
-rw-r--r--libbuild2/types.ixx4
-rw-r--r--libbuild2/variable.cxx4
-rw-r--r--libbuild2/variable.hxx12
18 files changed, 73 insertions, 51 deletions
diff --git a/libbuild2/algorithm.hxx b/libbuild2/algorithm.hxx
index 9a6a56b..aa0ec44 100644
--- a/libbuild2/algorithm.hxx
+++ b/libbuild2/algorithm.hxx
@@ -203,8 +203,8 @@ namespace build2
// Movable-only type with move-assignment only to NULL lock.
//
target_lock () = default;
- target_lock (target_lock&&);
- target_lock& operator= (target_lock&&);
+ target_lock (target_lock&&) noexcept;
+ target_lock& operator= (target_lock&&) noexcept;
target_lock (const target_lock&) = delete;
target_lock& operator= (const target_lock&) = delete;
diff --git a/libbuild2/algorithm.ixx b/libbuild2/algorithm.ixx
index 3c6c2fa..b87a535 100644
--- a/libbuild2/algorithm.ixx
+++ b/libbuild2/algorithm.ixx
@@ -284,7 +284,7 @@ namespace build2
}
inline target_lock::
- target_lock (target_lock&& x)
+ target_lock (target_lock&& x) noexcept
: action (x.action), target (x.target), offset (x.offset)
{
if (target != nullptr)
@@ -304,7 +304,7 @@ namespace build2
}
inline target_lock& target_lock::
- operator= (target_lock&& x)
+ operator= (target_lock&& x) noexcept
{
if (this != &x)
{
diff --git a/libbuild2/cc/pkgconfig.hxx b/libbuild2/cc/pkgconfig.hxx
index 7959da1..a1bcdee 100644
--- a/libbuild2/cc/pkgconfig.hxx
+++ b/libbuild2/cc/pkgconfig.hxx
@@ -56,8 +56,8 @@ namespace build2
// Movable-only type.
//
- pkgconfig (pkgconfig&&);
- pkgconfig& operator= (pkgconfig&&);
+ pkgconfig (pkgconfig&&) noexcept;
+ pkgconfig& operator= (pkgconfig&&) noexcept;
pkgconfig (const pkgconfig&) = delete;
pkgconfig& operator= (const pkgconfig&) = delete;
@@ -95,7 +95,7 @@ namespace build2
}
inline pkgconfig::
- pkgconfig (pkgconfig&& p)
+ pkgconfig (pkgconfig&& p) noexcept
: path (move (p.path)),
client_ (p.client_),
pkg_ (p.pkg_)
@@ -105,7 +105,7 @@ namespace build2
}
inline pkgconfig& pkgconfig::
- operator= (pkgconfig&& p)
+ operator= (pkgconfig&& p) noexcept
{
if (this != &p)
{
diff --git a/libbuild2/context.hxx b/libbuild2/context.hxx
index 27c3cc0..bb8f31f 100644
--- a/libbuild2/context.hxx
+++ b/libbuild2/context.hxx
@@ -834,8 +834,8 @@ namespace build2
// Note: move-assignable to empty only.
//
- wait_guard (wait_guard&&);
- wait_guard& operator= (wait_guard&&);
+ wait_guard (wait_guard&&) noexcept;
+ wait_guard& operator= (wait_guard&&) noexcept;
wait_guard (const wait_guard&) = delete;
wait_guard& operator= (const wait_guard&) = delete;
diff --git a/libbuild2/context.ixx b/libbuild2/context.ixx
index 4f86c28..95c5416 100644
--- a/libbuild2/context.ixx
+++ b/libbuild2/context.ixx
@@ -31,7 +31,7 @@ namespace build2
}
inline wait_guard::
- wait_guard (wait_guard&& x)
+ wait_guard (wait_guard&& x) noexcept
: ctx (x.ctx),
start_count (x.start_count),
task_count (x.task_count),
@@ -41,7 +41,7 @@ namespace build2
}
inline wait_guard& wait_guard::
- operator= (wait_guard&& x)
+ operator= (wait_guard&& x) noexcept
{
if (&x != this)
{
diff --git a/libbuild2/file-cache.hxx b/libbuild2/file-cache.hxx
index e31517e..98c2b67 100644
--- a/libbuild2/file-cache.hxx
+++ b/libbuild2/file-cache.hxx
@@ -119,9 +119,9 @@ namespace build2
// Move-to-NULL-only type.
//
- write (write&&);
+ write (write&&) noexcept;
write (const write&) = delete;
- write& operator= (write&&);
+ write& operator= (write&&) noexcept;
write& operator= (const write&) = delete;
~write ();
@@ -145,9 +145,9 @@ namespace build2
// Move-to-NULL-only type.
//
- read (read&&);
+ read (read&&) noexcept;
read (const read&) = delete;
- read& operator= (read&&);
+ read& operator= (read&&) noexcept;
read& operator= (const read&) = delete;
~read ();
diff --git a/libbuild2/file-cache.ixx b/libbuild2/file-cache.ixx
index 026f3fd..99be5ad 100644
--- a/libbuild2/file-cache.ixx
+++ b/libbuild2/file-cache.ixx
@@ -109,14 +109,14 @@ namespace build2
}
inline file_cache::write::
- write (write&& e)
+ write (write&& e) noexcept
: entry_ (e.entry_)
{
e.entry_ = nullptr;
}
inline file_cache::write& file_cache::write::
- operator= (write&& e)
+ operator= (write&& e) noexcept
{
if (this != &e)
{
@@ -136,14 +136,14 @@ namespace build2
}
inline file_cache::read::
- read (read&& e)
+ read (read&& e) noexcept
: entry_ (e.entry_)
{
e.entry_ = nullptr;
}
inline file_cache::read& file_cache::read::
- operator= (read&& e)
+ operator= (read&& e) noexcept
{
if (this != &e)
{
diff --git a/libbuild2/parser.cxx b/libbuild2/parser.cxx
index 2507a02..5128979 100644
--- a/libbuild2/parser.cxx
+++ b/libbuild2/parser.cxx
@@ -88,8 +88,8 @@ namespace build2
// Note: move-assignable to empty only.
//
- enter_scope (enter_scope&& x) {*this = move (x);}
- enter_scope& operator= (enter_scope&& x)
+ enter_scope (enter_scope&& x) noexcept {*this = move (x);}
+ enter_scope& operator= (enter_scope&& x) noexcept
{
if (this != &x)
{
@@ -208,8 +208,8 @@ namespace build2
// Note: move-assignable to empty only.
//
- enter_target (enter_target&& x) {*this = move (x);}
- enter_target& operator= (enter_target&& x) {
+ enter_target (enter_target&& x) noexcept {*this = move (x);}
+ enter_target& operator= (enter_target&& x) noexcept {
p_ = x.p_; t_ = x.t_; x.p_ = nullptr; return *this;}
enter_target (const enter_target&) = delete;
@@ -240,8 +240,8 @@ namespace build2
// Note: move-assignable to empty only.
//
- enter_prerequisite (enter_prerequisite&& x) {*this = move (x);}
- enter_prerequisite& operator= (enter_prerequisite&& x) {
+ enter_prerequisite (enter_prerequisite&& x) noexcept {*this = move (x);}
+ enter_prerequisite& operator= (enter_prerequisite&& x) noexcept {
p_ = x.p_; r_ = x.r_; x.p_ = nullptr; return *this;}
enter_prerequisite (const enter_prerequisite&) = delete;
diff --git a/libbuild2/prerequisite.hxx b/libbuild2/prerequisite.hxx
index 33efed0..2f63056 100644
--- a/libbuild2/prerequisite.hxx
+++ b/libbuild2/prerequisite.hxx
@@ -63,6 +63,8 @@ namespace build2
// Note that the lookup is often ad hoc (see bin.whole as an example).
// But see also parser::lookup_variable() if adding something here.
//
+ // @@ PERF: redo as vector so can make move constructor noexcept.
+ //
public:
variable_map vars;
@@ -138,7 +140,10 @@ namespace build2
is_a (const target_type_type& tt) const {return type.is_a (tt);}
public:
- prerequisite (prerequisite&& x)
+ // Note that we have the noexcept specification even though vars
+ // (std::map) could potentially throw.
+ //
+ prerequisite (prerequisite&& x) noexcept
: proj (move (x.proj)),
type (x.type),
dir (move (x.dir)),
@@ -147,7 +152,8 @@ namespace build2
ext (move (x.ext)),
scope (x.scope),
target (x.target.load (memory_order_relaxed)),
- vars (move (x.vars), *this, false /* shared */) {}
+ vars (move (x.vars), *this, false /* shared */)
+ {}
prerequisite (const prerequisite& x, memory_order o = memory_order_consume)
: proj (x.proj),
diff --git a/libbuild2/scheduler.hxx b/libbuild2/scheduler.hxx
index dc18859..c34d41b 100644
--- a/libbuild2/scheduler.hxx
+++ b/libbuild2/scheduler.hxx
@@ -247,8 +247,12 @@ namespace build2
alloc_guard (): n (0), s_ (nullptr) {}
alloc_guard (scheduler& s, size_t m): n (s.allocate (m)), s_ (&s) {}
- alloc_guard (alloc_guard&& x): n (x.n), s_ (x.s_) {x.s_ = nullptr;}
- alloc_guard& operator= (alloc_guard&& x)
+
+ alloc_guard (alloc_guard&& x) noexcept
+ : n (x.n), s_ (x.s_) {x.s_ = nullptr;}
+
+ alloc_guard&
+ operator= (alloc_guard&& x) noexcept
{
if (&x != this)
{
@@ -357,8 +361,12 @@ namespace build2
{
tune_guard (): s_ (nullptr), o_ (0) {}
tune_guard (scheduler& s, size_t ma): s_ (&s), o_ (s_->tune (ma)) {}
- tune_guard (tune_guard&& x): s_ (x.s_), o_ (x.o_) {x.s_ = nullptr;}
- tune_guard& operator= (tune_guard&& x)
+
+ tune_guard (tune_guard&& x) noexcept
+ : s_ (x.s_), o_ (x.o_) {x.s_ = nullptr;}
+
+ tune_guard&
+ operator= (tune_guard&& x) noexcept
{
if (&x != this)
{
@@ -426,8 +434,8 @@ namespace build2
{
explicit
monitor_guard (scheduler* s = nullptr): s_ (s) {}
- monitor_guard (monitor_guard&& x): s_ (x.s_) {x.s_ = nullptr;}
- monitor_guard& operator= (monitor_guard&& x)
+ monitor_guard (monitor_guard&& x) noexcept: s_ (x.s_) {x.s_ = nullptr;}
+ monitor_guard& operator= (monitor_guard&& x) noexcept
{
if (&x != this)
{
diff --git a/libbuild2/script/parser.cxx b/libbuild2/script/parser.cxx
index 0be22a6..ae6da76 100644
--- a/libbuild2/script/parser.cxx
+++ b/libbuild2/script/parser.cxx
@@ -2763,7 +2763,7 @@ namespace build2
}
parser::parsed_doc::
- parsed_doc (parsed_doc&& d)
+ parsed_doc (parsed_doc&& d) noexcept
: re (d.re), end_line (d.end_line), end_column (d.end_column)
{
if (re)
diff --git a/libbuild2/script/parser.hxx b/libbuild2/script/parser.hxx
index 91f50bf..cadf909 100644
--- a/libbuild2/script/parser.hxx
+++ b/libbuild2/script/parser.hxx
@@ -140,7 +140,7 @@ namespace build2
parsed_doc (string, uint64_t line, uint64_t column);
parsed_doc (regex_lines&&, uint64_t line, uint64_t column);
- parsed_doc (parsed_doc&&); // Note: move constuctible-only type.
+ parsed_doc (parsed_doc&&) noexcept; // Note: move constuctible-only type.
~parsed_doc ();
};
diff --git a/libbuild2/script/regex.hxx b/libbuild2/script/regex.hxx
index f6cf566..3c49b31 100644
--- a/libbuild2/script/regex.hxx
+++ b/libbuild2/script/regex.hxx
@@ -271,8 +271,8 @@ namespace build2
template <typename T>
struct line_char_cmp
: public std::enable_if<std::is_integral<T>::value ||
- (std::is_enum<T>::value &&
- !std::is_same<T, char_flags>::value)> {};
+ (std::is_enum<T>::value &&
+ !std::is_same<T, char_flags>::value)> {};
template <typename T, typename = typename line_char_cmp<T>::type>
bool
@@ -470,10 +470,10 @@ namespace std
is (mask m, char_type c) const
{
return m ==
- (c.type () == line_type::special && c.special () >= 0 &&
- build2::digit (static_cast<char> (c.special ()))
- ? digit
- : 0);
+ (c.type () == line_type::special && c.special () >= 0 &&
+ build2::digit (static_cast<char> (c.special ()))
+ ? digit
+ : 0);
}
const char_type*
diff --git a/libbuild2/target-type.hxx b/libbuild2/target-type.hxx
index eae2caf..16f07fa 100644
--- a/libbuild2/target-type.hxx
+++ b/libbuild2/target-type.hxx
@@ -248,7 +248,7 @@ namespace build2
target_type_ref (unique_ptr<target_type>&& p)
: p_ (p.release ()), d_ (true) {}
- target_type_ref (target_type_ref&& r)
+ target_type_ref (target_type_ref&& r) noexcept
: p_ (r.p_), d_ (r.d_) {r.p_ = nullptr;}
~target_type_ref () {if (p_ != nullptr && d_) delete p_;}
diff --git a/libbuild2/types.hxx b/libbuild2/types.hxx
index bf412a3..20b10de 100644
--- a/libbuild2/types.hxx
+++ b/libbuild2/types.hxx
@@ -511,9 +511,9 @@ namespace build2
location_value (const location&);
- location_value (location_value&&);
+ location_value (location_value&&) noexcept;
location_value (const location_value&);
- location_value& operator= (location_value&&);
+ location_value& operator= (location_value&&) noexcept;
location_value& operator= (const location_value&);
};
diff --git a/libbuild2/types.ixx b/libbuild2/types.ixx
index 750c8c7..bf44cff 100644
--- a/libbuild2/types.ixx
+++ b/libbuild2/types.ixx
@@ -43,7 +43,7 @@ namespace build2
}
inline location_value::
- location_value (location_value&& l)
+ location_value (location_value&& l) noexcept
: location (l.line, l.column),
file (std::move (l.file))
{
@@ -58,7 +58,7 @@ namespace build2
}
inline location_value& location_value::
- operator= (location_value&& l)
+ operator= (location_value&& l) noexcept
{
if (this != &l)
{
diff --git a/libbuild2/variable.cxx b/libbuild2/variable.cxx
index fefea98..260d664 100644
--- a/libbuild2/variable.cxx
+++ b/libbuild2/variable.cxx
@@ -47,7 +47,7 @@ namespace build2
}
value::
- value (value&& v)
+ value (value&& v) noexcept
: type (v.type), null (v.null), extra (v.extra)
{
if (!null)
@@ -99,6 +99,8 @@ namespace build2
if (null)
new (&data_) names (move (v).as<names> ());
else
+ // Note: can throw (see small_vector for details).
+ //
as<names> () = move (v).as<names> ();
}
else if (auto f = null ? type->copy_ctor : type->copy_assign)
diff --git a/libbuild2/variable.hxx b/libbuild2/variable.hxx
index 2942f1c..8a0adf8 100644
--- a/libbuild2/variable.hxx
+++ b/libbuild2/variable.hxx
@@ -358,9 +358,13 @@ namespace build2
value&
operator= (nullptr_t) {if (!null) reset (); return *this;}
- value (value&&);
+ // Note that we have the noexcept specification even though copy_ctor()
+ // could potentially throw (for example, for std::map).
+ //
+ value (value&&) noexcept;
+
explicit value (const value&);
- value& operator= (value&&);
+ value& operator= (value&&); // Note: can throw for untyped RHS.
value& operator= (const value&);
value& operator= (reference_wrapper<value>);
value& operator= (reference_wrapper<const value>);
@@ -1859,7 +1863,7 @@ namespace build2
variable_map (const variable_map&, const prerequisite&, bool shared = false);
variable_map&
- operator= (variable_map&& v) {m_ = move (v.m_); return *this;}
+ operator= (variable_map&& v) noexcept {m_ = move (v.m_); return *this;}
variable_map&
operator= (const variable_map& v) {m_ = v.m_; return *this;}
@@ -1870,6 +1874,8 @@ namespace build2
variable_map (context& c, bool shared)
: shared_ (shared), owner_ (owner::context), ctx (&c) {}
+ // Note: std::map's move constructor can throw.
+ //
variable_map (variable_map&& v)
: shared_ (v.shared_), owner_ (v.owner_), ctx (v.ctx), m_ (move (v.m_))
{
generated by cgit v1.1 at 2024-11-10 21:04:19 +0000