113 lines
3.5 KiB
C
113 lines
3.5 KiB
C
/*
|
|
** $Id: linit.c,v 1.14.1.1 2007/12/27 13:02:25 roberto Exp $
|
|
** Initialization of libraries for lua.c
|
|
** See Copyright Notice in lua.h
|
|
*/
|
|
|
|
|
|
#define linit_c
|
|
#define LUA_LIB
|
|
|
|
/*
|
|
** NodeMCU uses RO segment based static ROTable declarations for all library
|
|
** tables, including the index of library tables itself (the ROM table). These
|
|
** tables can be moved from RAM to flash ROM on the ESPs.
|
|
**
|
|
** On the ESPs targets, we can marshal the table entries through linker-based
|
|
** PSECTs to enable the library initiation tables to be bound during the link
|
|
** process rather than being statically declared here. This simplifies the
|
|
** addition of new modules and configuring builds with a subset of the total
|
|
** modules available.
|
|
**
|
|
** Such a linker-based approach is not practical for cross compiler builds that
|
|
** must link on a range of platforms, and where we don't have control of PSECT
|
|
** placement. However unlike the target builds, the luac.cross builds only
|
|
** use a small and fixed list of libraries and so in this case all of libraries
|
|
** are defined here, avoiding the need for linker magic on host builds.
|
|
**
|
|
** Note that a separate ROTable is defined in lbaselib.c on luac.cross builds
|
|
** for the base functions. (These use linker based entries on target builds)
|
|
** and there is a metatable index cascade from _G to this base function table
|
|
** to the master rotables table. In the target build, the linker marshals the
|
|
** table, hence the LROT_BREAK() macros which don't 0 terminate the lists and
|
|
** skip generating the ROtable header.
|
|
*/
|
|
#include "lua.h"
|
|
#include "lualib.h"
|
|
#include "lauxlib.h"
|
|
#include "lstate.h"
|
|
#include "lnodemcu.h"
|
|
|
|
extern LROT_TABLE(strlib);
|
|
extern LROT_TABLE(tab_funcs);
|
|
extern LROT_TABLE(dblib);
|
|
extern LROT_TABLE(co_funcs);
|
|
extern LROT_TABLE(math);
|
|
|
|
#define LROT_ROM_ENTRIES \
|
|
LROT_TABENTRY( string, strlib ) \
|
|
LROT_TABENTRY( table, tab_funcs ) \
|
|
LROT_TABENTRY( debug, dblib) \
|
|
LROT_TABENTRY( coroutine, co_funcs ) \
|
|
LROT_TABENTRY( math, math ) \
|
|
LROT_TABENTRY( ROM, rotables )
|
|
|
|
#define LROT_LIB_ENTRIES \
|
|
LROT_FUNCENTRY( _G, luaopen_base ) /* This MUST be called first */ \
|
|
LROT_FUNCENTRY( package, luaopen_package ) \
|
|
LROT_FUNCENTRY( string, luaopen_string ) \
|
|
LROT_FUNCENTRY( debug, luaopen_debug )
|
|
|
|
#if defined(LUA_CROSS_COMPILER)
|
|
extern LROT_TABLE(base_func);
|
|
LROT_BEGIN(rotables_meta, NULL, LROT_MASK_INDEX)
|
|
LROT_TABENTRY( _index, base_func)
|
|
LROT_END(rotables_meta, NULL, LROT_MASK_INDEX)
|
|
|
|
extern LROT_TABLE(oslib);
|
|
extern LROT_TABLE(iolib);
|
|
LROT_BEGIN(rotables, LROT_TABLEREF(rotables_meta), 0)
|
|
LROT_ROM_ENTRIES
|
|
LROT_TABENTRY( os, oslib )
|
|
LROT_TABENTRY( io, iolib )
|
|
LROT_END(rotables, LROT_TABLEREF(rotables_meta), 0)
|
|
|
|
LROT_BEGIN(lua_libs, NULL, 0)
|
|
LROT_LIB_ENTRIES
|
|
LROT_FUNCENTRY( io, luaopen_io )
|
|
LROT_END(lua_libs, NULL, 0)
|
|
|
|
#else
|
|
|
|
extern const ROTable_entry lua_libs_base[];
|
|
extern const ROTable_entry lua_rotable_base[];
|
|
ROTable rotables_ROTable;
|
|
|
|
LROT_ENTRIES_IN_SECTION(rotables, rotable)
|
|
LROT_ROM_ENTRIES
|
|
LROT_BREAK(rotables)
|
|
|
|
LROT_ENTRIES_IN_SECTION(lua_libs, libs)
|
|
LROT_LIB_ENTRIES
|
|
LROT_BREAK(lua_libs)
|
|
|
|
#endif
|
|
|
|
|
|
void luaL_openlibs (lua_State *L) {
|
|
#ifdef LUA_CROSS_COMPILER
|
|
const ROTable_entry *p = LROT_TABLEREF(lua_libs)->entry;
|
|
#else
|
|
const ROTable_entry *p = lua_libs_base;
|
|
lua_createrotable(L, LROT_TABLEREF(rotables), lua_rotable_base, NULL);
|
|
#endif
|
|
while (p->key) {
|
|
if (ttislightfunction(&p->value) && fvalue(&p->value)) {
|
|
lua_pushcfunction(L, fvalue(&p->value));
|
|
lua_pushstring(L, p->key);
|
|
lua_call(L, 1, 0); // call luaopen_XXX(libname)
|
|
}
|
|
p++;
|
|
}
|
|
}
|