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lua inbinary strings

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Allows saving of ram by reusing strings already stored in the binary
and storing a pointer instead of malloc and copy to get them inside
the lua state

Saves about 1.5K overall

Derivative of work by bogdanm
RAM optimizations: pseudo RO strings, functions in Flash
d54659b572

Change-Id: I21d6dcfa32523877efd9f70fb0f88f2a02872649
This commit is contained in:
William Wilgus 2018-11-11 18:27:19 -05:00
parent 42240f6990
commit c6fcb1cf45
10 changed files with 88 additions and 25 deletions
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4
apps/plugins/lua/lobject.h
View file

@ -201,13 +201,14 @@ typedef union TString {
struct {
CommonHeader;
lu_byte reserved;
lu_byte type;
unsigned int hash;
size_t len;
} tsv;
} TString;
#define getstr(ts) cast(const char *, (ts) + 1)
#define getstr(ts) (luaO_getstring(ts)) /* ROCKLUA ADDED */
#define svalue(o) getstr(rawtsvalue(o))
@ -371,6 +372,7 @@ LUAI_FUNC int luaO_int2fb (unsigned int x);
LUAI_FUNC int luaO_fb2int (int x);
LUAI_FUNC int luaO_rawequalObj (const TValue *t1, const TValue *t2);
LUAI_FUNC int luaO_str2d (const char *s, lua_Number *result);
LUAI_FUNC const char *luaO_getstring(const TString * ts); /* ROCKLUA ADDED */
LUAI_FUNC const char *luaO_pushvfstring (lua_State *L, const char *fmt,
va_list argp);
LUAI_FUNC const char *luaO_pushfstring (lua_State *L, const char *fmt, ...);