13 Commits
Author SHA1 Message Date
Goober5000andClaude Fable 5 9bf5b6acf4 harden move operations in w_bank and LuaThread
w_bank: add a move constructor.  object_copy_including_array_member
returns by value, and without a move constructor the return fell back
to the shallow copy constructor whenever NRVO was not applied (e.g.
MSVC debug builds), after which the local's destructor deleted the
freshly allocated arrays -- leaving the stored bank dangling and
double-deleting at model unload.  Also add noexcept to the move
operations, replace the destructor call in move-assignment with
explicit delete[]s (using an object after its lifetime has ended is
undefined behavior), guard against self-move, and document that the
defaulted copy constructor is intentionally shallow for
object_copy_including_array_member's copy-then-replace pattern.

LuaThread: declare the defaulted move operations noexcept.  This
exposed that LuaTable was not movable at all (its user-declared
destructor suppressed the implicit moves), so LuaThread's implicit
move spec was formally throwing -- a hard error on gcc 9, which
still requires the spec on a defaulted redeclaration to match the
implicit one.  Restore LuaTable's rule of five and declare the
LuaValue and LuaFunction copy operations noexcept (they only copy a
shared_ptr, a raw pointer, and an enum), making the noexcept claims
hold throughout the hierarchy.

Co-Authored-By: Claude Fable 5 <[email protected]>
2026-07-06 13:33:49 -04:00
BMagnu 80625fd307 Change Build to C++17 (#3710)
* Set ver to C++17

* remove deprecated shuffle

* Fix std::iterator being deprecated

* Work around codecvt deprecation

* Fix std::result_of deprecation

* Another random_shuffle

* another text conversion replacement
2024-10-28 17:27:14 +09:00
BMagnu f0068b13a0 Prevent dangling threads from crashing FSO on close (#4701)
* Prevent dangling threads from crashing FSO on close

* Fix warning

* Properly allow multiple parent threads for unittests

* Fix Test

* Redo it using the lua GC method

* tidyup

* Fix Warnings

* Fix double default

* get rid of explicitly defined copy constructor to allow implicit copy assign to exist
2022-09-27 15:32:13 +09:00
asarium cf4fe8accc Add Lua API for serializing values
This can be used by script code for reliably storing Lua values without
having to build a custom serialization format.

The C++ code can also be used by other code modules that want to
serialize data. The new classes simply return a byte array with an
unspecified format.

At the moment this uses a plain JSON encoding but could be extended in
the future to include either compression or BSON encoding if necessary.
The format is future compatible by using a simple header to identify
different kinds of formats.
2020-09-12 14:28:16 +02:00
asarium ebcf686cf7 Add Lua API for promises and async coroutines
This adds a Lua API for representing asynchronous operations and running
coroutines based on those operations comfortably. This is very similar
to features other languages have introduced such as C# or JavaScript. In
fact, the whole "promise" thing is derived from how JavaScript
represents these operations.

This is the initial and very basic system for supporting async
coroutines in Lua. There is no native support for running these
operations at specific points (they run whenever the awaited promise
resolved) or making sure they do not leak through different game states.
2020-05-24 12:36:01 +02:00
asarium ad1ede7b74 Add new options system
This is a system for storing arbitrary data in the config file and then
easily retrieving it later on. This has full Lua support for exposing
the available options in a custom UI and changing the values of the
options. This ported some of the existing command line options over to
the new system which is opt-in for the moment by using a mod_table flag.
2019-03-02 14:02:21 +01:00
asarium 68372b18a2 Enable performance clang-tidy warnings 2018-04-13 12:08:56 +02:00
asarium f1c79c2ca7 Fix override warnings produced by clang-tidy 2018-04-13 12:08:06 +02:00
asarium f780d9e22a Add ability to dynamically add new SEXPs at runtime
This add a system for adding generic instances of the DynamicSEXP class
to the SEXP system. The only implementation at the moment is the LuaSEXP
which is used by the mn.addSEXP lua API to allow Lua to add new SEXPs.

Since this requires that FRED also runs lua scripts I added a mod table
option to enable scripting in FRED. Since the current scripts are not
built with FRED in mind it would likely break all these scripts if FRED
would be opened with normal scripting enabled.

This fixes #1320.
2017-12-20 10:45:40 +01:00
oldlaptop 8f76537b02 s/_L/L_State
The iterator known as _L, besides having an absurdly poor name,
 clashes with standard headers on OpenBSD -current at the time
 of writing. This commit is the minimum needed to build on
 OpenBSD with an updated C++ standard library.
2017-04-13 09:06:48 -04:00
asarium f2b61fb399 Add better iterator interface
Now LuaTable can be used in range-based for loops
2017-01-01 22:13:40 +01:00
asarium 408101f7eb Add function and table parameter capability
This allows to accept and return function and table parameters from
scripting API functions by using the LuaFunction and LuaTable types.
2017-01-01 22:13:40 +01:00
asarium 0110954518 Add improved lua reference handling
This adds a utility library for handling all the nasty lua referencing
stuff. It also provides functions for convienent usage of lua objects
such as tables and functions which allows to use them directly from C++
code without using the ugly Lua C-API.
2017-01-01 22:13:40 +01:00