Allow reconfiguring VM defaults (#260)

Co-authored-by: Lucio Asnaghi <lucio.asnaghi@king.com>
This commit is contained in:
kunitoki 2021-12-01 02:03:18 +01:00 committed by GitHub
parent 955f9fa754
commit 35e497b533
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@ -34,7 +34,10 @@
#endif #endif
/* Can be used to reconfigure visibility/exports for public APIs */ /* Can be used to reconfigure visibility/exports for public APIs */
#ifndef LUA_API
#define LUA_API extern #define LUA_API extern
#endif
#define LUALIB_API LUA_API #define LUALIB_API LUA_API
/* Can be used to reconfigure visibility for internal APIs */ /* Can be used to reconfigure visibility for internal APIs */
@ -47,10 +50,14 @@
#endif #endif
/* Can be used to reconfigure internal error handling to use longjmp instead of C++ EH */ /* Can be used to reconfigure internal error handling to use longjmp instead of C++ EH */
#ifndef LUA_USE_LONGJMP
#define LUA_USE_LONGJMP 0 #define LUA_USE_LONGJMP 0
#endif
/* LUA_IDSIZE gives the maximum size for the description of the source */ /* LUA_IDSIZE gives the maximum size for the description of the source */
#ifndef LUA_IDSIZE
#define LUA_IDSIZE 256 #define LUA_IDSIZE 256
#endif
/* /*
@@ LUAI_GCGOAL defines the desired top heap size in relation to the live heap @@ LUAI_GCGOAL defines the desired top heap size in relation to the live heap
@ -59,7 +66,9 @@
** mean larger GC pauses which mean slower collection.) You can also change ** mean larger GC pauses which mean slower collection.) You can also change
** this value dynamically. ** this value dynamically.
*/ */
#ifndef LUAI_GCGOAL
#define LUAI_GCGOAL 200 /* 200% (allow heap to double compared to live heap size) */ #define LUAI_GCGOAL 200 /* 200% (allow heap to double compared to live heap size) */
#endif
/* /*
@@ LUAI_GCSTEPMUL / LUAI_GCSTEPSIZE define the default speed of garbage collection @@ LUAI_GCSTEPMUL / LUAI_GCSTEPSIZE define the default speed of garbage collection
@ -69,38 +78,63 @@
** CHANGE it if you want to change the granularity of the garbage ** CHANGE it if you want to change the granularity of the garbage
** collection. ** collection.
*/ */
#ifndef LUAI_GCSTEPMUL
#define LUAI_GCSTEPMUL 200 /* GC runs 'twice the speed' of memory allocation */ #define LUAI_GCSTEPMUL 200 /* GC runs 'twice the speed' of memory allocation */
#endif
#ifndef LUAI_GCSTEPSIZE
#define LUAI_GCSTEPSIZE 1 /* GC runs every KB of memory allocation */ #define LUAI_GCSTEPSIZE 1 /* GC runs every KB of memory allocation */
#endif
/* LUA_MINSTACK is the guaranteed number of Lua stack slots available to a C function */ /* LUA_MINSTACK is the guaranteed number of Lua stack slots available to a C function */
#ifndef LUA_MINSTACK
#define LUA_MINSTACK 20 #define LUA_MINSTACK 20
#endif
/* LUAI_MAXCSTACK limits the number of Lua stack slots that a C function can use */ /* LUAI_MAXCSTACK limits the number of Lua stack slots that a C function can use */
#ifndef LUAI_MAXCSTACK
#define LUAI_MAXCSTACK 8000 #define LUAI_MAXCSTACK 8000
#endif
/* LUAI_MAXCALLS limits the number of nested calls */ /* LUAI_MAXCALLS limits the number of nested calls */
#ifndef LUAI_MAXCALLS
#define LUAI_MAXCALLS 20000 #define LUAI_MAXCALLS 20000
#endif
/* LUAI_MAXCCALLS is the maximum depth for nested C calls; this limit depends on native stack size */ /* LUAI_MAXCCALLS is the maximum depth for nested C calls; this limit depends on native stack size */
#ifndef LUAI_MAXCCALLS
#define LUAI_MAXCCALLS 200 #define LUAI_MAXCCALLS 200
#endif
/* buffer size used for on-stack string operations; this limit depends on native stack size */ /* buffer size used for on-stack string operations; this limit depends on native stack size */
#ifndef LUA_BUFFERSIZE
#define LUA_BUFFERSIZE 512 #define LUA_BUFFERSIZE 512
#endif
/* number of valid Lua userdata tags */ /* number of valid Lua userdata tags */
#ifndef LUA_UTAG_LIMIT
#define LUA_UTAG_LIMIT 128 #define LUA_UTAG_LIMIT 128
#endif
/* upper bound for number of size classes used by page allocator */ /* upper bound for number of size classes used by page allocator */
#ifndef LUA_SIZECLASSES
#define LUA_SIZECLASSES 32 #define LUA_SIZECLASSES 32
#endif
/* available number of separate memory categories */ /* available number of separate memory categories */
#ifndef LUA_MEMORY_CATEGORIES
#define LUA_MEMORY_CATEGORIES 256 #define LUA_MEMORY_CATEGORIES 256
#endif
/* minimum size for the string table (must be power of 2) */ /* minimum size for the string table (must be power of 2) */
#ifndef LUA_MINSTRTABSIZE
#define LUA_MINSTRTABSIZE 32 #define LUA_MINSTRTABSIZE 32
#endif
/* maximum number of captures supported by pattern matching */ /* maximum number of captures supported by pattern matching */
#ifndef LUA_MAXCAPTURES
#define LUA_MAXCAPTURES 32 #define LUA_MAXCAPTURES 32
#endif
/* }================================================================== */ /* }================================================================== */