diff options
Diffstat (limited to 'linux-x86/share/swig/lua/luarun.swg')
| -rw-r--r-- | linux-x86/share/swig/lua/luarun.swg | 1933 |
1 files changed, 1933 insertions, 0 deletions
diff --git a/linux-x86/share/swig/lua/luarun.swg b/linux-x86/share/swig/lua/luarun.swg new file mode 100644 index 0000000..bd764d6 --- /dev/null +++ b/linux-x86/share/swig/lua/luarun.swg @@ -0,0 +1,1933 @@ +/* ----------------------------------------------------------------------------- + * luarun.swg + * + * This file contains the runtime support for Lua modules + * and includes code for managing global variables and pointer + * type checking. + * ----------------------------------------------------------------------------- */ + +#ifdef __cplusplus +extern "C" { +#endif + +#include "lua.h" +#include "lauxlib.h" +#include <stdlib.h> /* for malloc */ +#include <assert.h> /* for a few sanity tests */ + +/* ----------------------------------------------------------------------------- + * Lua flavors + * ----------------------------------------------------------------------------- */ + +#define SWIG_LUA_FLAVOR_LUA 1 +#define SWIG_LUA_FLAVOR_ELUA 2 +#define SWIG_LUA_FLAVOR_ELUAC 3 + +#if !defined(SWIG_LUA_TARGET) +# error SWIG_LUA_TARGET not defined +#endif + +#if defined(SWIG_LUA_ELUA_EMULATE) + +struct swig_elua_entry; + +typedef struct swig_elua_key { + int type; + union { + const char* strkey; + lua_Number numkey; + } key; +} swig_elua_key; + +typedef struct swig_elua_val { + int type; + union { + lua_Number number; + const struct swig_elua_entry *table; + const char *string; + lua_CFunction function; + struct { + char member; + long lvalue; + void *pvalue; + swig_type_info **ptype; + } userdata; + } value; +} swig_elua_val; + +typedef struct swig_elua_entry { + swig_elua_key key; + swig_elua_val value; +} swig_elua_entry; + +#define LSTRKEY(x) {LUA_TSTRING, {.strkey = x} } +#define LNUMKEY(x) {LUA_TNUMBER, {.numkey = x} } +#define LNILKEY {LUA_TNIL, {.strkey = 0} } + +#define LNUMVAL(x) {LUA_TNUMBER, {.number = x} } +#define LFUNCVAL(x) {LUA_TFUNCTION, {.function = x} } +#define LROVAL(x) {LUA_TTABLE, {.table = x} } +#define LNILVAL {LUA_TNIL, {.string = 0} } +#define LSTRVAL(x) {LUA_TSTRING, {.string = x} } + +#define LUA_REG_TYPE swig_elua_entry + +#define SWIG_LUA_ELUA_EMUL_METATABLE_KEY "__metatable" + +#define lua_pushrotable(L,p)\ + lua_newtable(L);\ + assert(p);\ + SWIG_Lua_elua_emulate_register(L,(swig_elua_entry*)(p)); + +#define SWIG_LUA_CONSTTAB_POINTER(B,C,D)\ + LSTRKEY(B), {LUA_TUSERDATA, { .userdata={0,0,(void*)(C),&D} } } + +#define SWIG_LUA_CONSTTAB_BINARY(B,S,C,D)\ + LSTRKEY(B), {LUA_TUSERDATA, { .userdata={1,S,(void*)(C),&D} } } +#endif + +#if (SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_ELUA) || (SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_ELUAC) +# define SWIG_LUA_CONSTTAB_INT(B, C) LSTRKEY(B), LNUMVAL(C) +# define SWIG_LUA_CONSTTAB_FLOAT(B, C) LSTRKEY(B), LNUMVAL(C) +# define SWIG_LUA_CONSTTAB_STRING(B, C) LSTRKEY(B), LSTRVAL(C) +# define SWIG_LUA_CONSTTAB_CHAR(B, C) LSTRKEY(B), LNUMVAL(C) + /* Those two types of constants are not supported in elua */ + +#ifndef SWIG_LUA_CONSTTAB_POINTER +#warning eLua does not support pointers as constants. By default, nil will be used as value +#define SWIG_LUA_CONSTTAB_POINTER(B,C,D) LSTRKEY(B), LNILVAL +#endif + +#ifndef SWIG_LUA_CONSTTAB_BINARY +#warning eLua does not support pointers to member as constants. By default, nil will be used as value +#define SWIG_LUA_CONSTTAB_BINARY(B, S, C, D) LSTRKEY(B), LNILVAL +#endif +#else /* SWIG_LUA_FLAVOR_LUA */ +# define SWIG_LUA_CONSTTAB_INT(B, C) SWIG_LUA_INT, (char *)B, (long)C, 0, 0, 0 +# define SWIG_LUA_CONSTTAB_FLOAT(B, C) SWIG_LUA_FLOAT, (char *)B, 0, (double)C, 0, 0 +# define SWIG_LUA_CONSTTAB_STRING(B, C) SWIG_LUA_STRING, (char *)B, 0, 0, (void *)C, 0 +# define SWIG_LUA_CONSTTAB_CHAR(B, C) SWIG_LUA_CHAR, (char *)B, (long)C, 0, 0, 0 +# define SWIG_LUA_CONSTTAB_POINTER(B,C,D)\ + SWIG_LUA_POINTER, (char *)B, 0, 0, (void *)C, &D +# define SWIG_LUA_CONSTTAB_BINARY(B, S, C, D)\ + SWIG_LUA_BINARY, (char *)B, S, 0, (void *)C, &D +#endif + +#ifndef SWIG_LUA_ELUA_EMULATE +#if (SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_ELUA) || (SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_ELUAC) +# define LRO_STRVAL(v) {{.p = (char *) v}, LUA_TSTRING} +# define LSTRVAL LRO_STRVAL +#endif +#endif /* SWIG_LUA_ELUA_EMULATE*/ + +#ifndef SWIG_LUA_ELUA_EMULATE +#if (SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_ELUA) || (SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_ELUAC) + +#ifndef MIN_OPT_LEVEL +#define MIN_OPT_LEVEL 2 +#endif + +#include "lrodefs.h" +#include "lrotable.h" +#endif +#endif /* SWIG_LUA_ELUA_EMULATE*/ +/* ----------------------------------------------------------------------------- + * compatibility defines + * ----------------------------------------------------------------------------- */ + +/* History of Lua C API length functions: In Lua 5.0 (and before?) + there was "lua_strlen". In Lua 5.1, this was renamed "lua_objlen", + but a compatibility define of "lua_strlen" was added. In Lua 5.2, + this function was again renamed, to "lua_rawlen" (to emphasize that + it doesn't call the "__len" metamethod), and the compatibility + define of lua_strlen was removed. All SWIG uses have been updated + to "lua_rawlen", and we add our own defines of that here for older + versions of Lua. */ +#if !defined(LUA_VERSION_NUM) || LUA_VERSION_NUM < 501 +# define lua_rawlen lua_strlen +#elif LUA_VERSION_NUM == 501 +# define lua_rawlen lua_objlen +#endif + + +/* lua_pushglobaltable is the recommended "future-proof" way to get + the global table for Lua 5.2 and later. Here we define + lua_pushglobaltable ourselves for Lua versions before 5.2. */ +#if !defined(LUA_VERSION_NUM) || LUA_VERSION_NUM < 502 +# define lua_pushglobaltable(L) lua_pushvalue(L, LUA_GLOBALSINDEX) +#endif + +/* lua_absindex was introduced in Lua 5.2 */ +#if !defined(LUA_VERSION_NUM) || LUA_VERSION_NUM < 502 +# define lua_absindex(L,i) ((i)>0 || (i) <= LUA_REGISTRYINDEX ? (i) : lua_gettop(L) + (i) + 1) +#endif + +/* lua_rawsetp was introduced in Lua 5.2 */ +#if !defined(LUA_VERSION_NUM) || LUA_VERSION_NUM < 502 +#define lua_rawsetp(L,index,ptr)\ + lua_pushlightuserdata(L,(void*)(ptr));\ + lua_insert(L,-2);\ + lua_rawset(L,index); + +#define lua_rawgetp(L,index,ptr)\ + lua_pushlightuserdata(L,(void*)(ptr));\ + lua_rawget(L,index); + +#endif + +/* -------------------------------------------------------------------------- + * Helper functions for error handling + * -------------------------------------------------------------------------- */ + +/* Push the string STR on the Lua stack, like lua_pushstring, but + prefixed with the location of the innermost Lua call-point + (as formatted by luaL_where). */ +SWIGRUNTIME void +SWIG_Lua_pusherrstring (lua_State *L, const char *str) +{ + luaL_where (L, 1); + lua_pushstring (L, str); + lua_concat (L, 2); +} + +/* Push a formatted string generated from FMT and following args on + the Lua stack, like lua_pushfstring, but prefixed with the + location of the innermost Lua call-point (as formatted by luaL_where). */ +SWIGRUNTIME void +SWIG_Lua_pushferrstring (lua_State *L, const char *fmt, ...) +{ + va_list argp; + va_start(argp, fmt); + luaL_where(L, 1); + lua_pushvfstring(L, fmt, argp); + va_end(argp); + lua_concat(L, 2); +} + + +/* ----------------------------------------------------------------------------- + * global swig types + * ----------------------------------------------------------------------------- */ +/* Constant table */ +#define SWIG_LUA_INT 1 +#define SWIG_LUA_FLOAT 2 +#define SWIG_LUA_STRING 3 +#define SWIG_LUA_POINTER 4 +#define SWIG_LUA_BINARY 5 +#define SWIG_LUA_CHAR 6 + +/* Structure for variable linking table */ +typedef struct { + const char *name; + lua_CFunction get; + lua_CFunction set; +} swig_lua_var_info; + +#if (SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_ELUA) || (SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_ELUAC) +typedef const LUA_REG_TYPE swig_lua_method; +typedef const LUA_REG_TYPE swig_lua_const_info; +#else /* Normal lua */ +typedef luaL_Reg swig_lua_method; + +/* Constant information structure */ +typedef struct { + int type; + char *name; + long lvalue; + double dvalue; + void *pvalue; + swig_type_info **ptype; +} swig_lua_const_info; + +#endif + +typedef struct { + const char *name; + lua_CFunction getmethod; + lua_CFunction setmethod; +} swig_lua_attribute; + + +struct swig_lua_class; +/* Can be used to create namespaces. Currently used to wrap class static methods/variables/constants */ +typedef struct swig_lua_namespace { + const char *name; + swig_lua_method *ns_methods; + swig_lua_attribute *ns_attributes; + swig_lua_const_info *ns_constants; + struct swig_lua_class **ns_classes; + struct swig_lua_namespace **ns_namespaces; +} swig_lua_namespace; + +typedef struct swig_lua_class { + const char *name; /* Name that this class has in Lua */ + const char *fqname; /* Fully qualified name - Scope + class name */ + swig_type_info **type; + lua_CFunction constructor; + void (*destructor)(void *); + swig_lua_method *methods; + swig_lua_attribute *attributes; + swig_lua_namespace *cls_static; + swig_lua_method *metatable; /* 0 for -eluac */ + struct swig_lua_class **bases; + const char **base_names; +} swig_lua_class; + +/* this is the struct for wrapping all pointers in SwigLua +*/ +typedef struct { + swig_type_info *type; + int own; /* 1 if owned & must be destroyed */ + void *ptr; +} swig_lua_userdata; + +/* this is the struct for wrapping arbitrary packed binary data +(currently it is only used for member function pointers) +the data ordering is similar to swig_lua_userdata, but it is currently not possible +to tell the two structures apart within SWIG, other than by looking at the type +*/ +typedef struct { + swig_type_info *type; + int own; /* 1 if owned & must be destroyed */ + char data[1]; /* arbitrary amount of data */ +} swig_lua_rawdata; + +/* Common SWIG API */ +#define SWIG_NewPointerObj(L, ptr, type, owner) SWIG_Lua_NewPointerObj(L, (void *)ptr, type, owner) +#define SWIG_ConvertPtr(L,idx, ptr, type, flags) SWIG_Lua_ConvertPtr(L,idx,ptr,type,flags) +#define SWIG_MustGetPtr(L,idx, type,flags, argnum,fnname) SWIG_Lua_MustGetPtr(L,idx, type,flags, argnum,fnname) +/* for C++ member pointers, ie, member methods */ +#define SWIG_ConvertMember(L, idx, ptr, sz, ty) SWIG_Lua_ConvertPacked(L, idx, ptr, sz, ty) +#define SWIG_NewMemberObj(L, ptr, sz, type) SWIG_Lua_NewPackedObj(L, ptr, sz, type) + +/* Runtime API */ +#define SWIG_GetModule(clientdata) SWIG_Lua_GetModule((lua_State*)(clientdata)) +#define SWIG_SetModule(clientdata, pointer) SWIG_Lua_SetModule((lua_State*) (clientdata), pointer) +#define SWIG_MODULE_CLIENTDATA_TYPE lua_State* + +/* Contract support */ +#define SWIG_contract_assert(expr, msg) \ + if (!(expr)) { SWIG_Lua_pusherrstring(L, (char *) msg); goto fail; } else + + +/* helper #defines */ +#define SWIG_fail {goto fail;} +#define SWIG_fail_arg(func_name,argnum,type) \ + {SWIG_Lua_pushferrstring(L,"Error in %s (arg %d), expected '%s' got '%s'",\ + func_name,argnum,type,SWIG_Lua_typename(L,argnum));\ + goto fail;} +#define SWIG_fail_ptr(func_name,argnum,type) \ + SWIG_fail_arg(func_name,argnum,(type && type->str)?type->str:"void*") +#define SWIG_check_num_args(func_name,a,b) \ + if (lua_gettop(L)<a || lua_gettop(L)>b) \ + {SWIG_Lua_pushferrstring(L,"Error in %s expected %d..%d args, got %d",func_name,a,b,lua_gettop(L));\ + goto fail;} + + +#define SWIG_Lua_get_table(L,n) \ + (lua_pushstring(L, n), lua_rawget(L,-2)) + +#define SWIG_Lua_add_function(L,n,f) \ + (lua_pushstring(L, n), \ + lua_pushcfunction(L, f), \ + lua_rawset(L,-3)) + +#define SWIG_Lua_add_boolean(L,n,b) \ + (lua_pushstring(L, n), \ + lua_pushboolean(L, b), \ + lua_rawset(L,-3)) + +/* special helper for allowing 'nil' for usertypes */ +#define SWIG_isptrtype(L,I) (lua_isuserdata(L,I) || lua_isnil(L,I)) + +#ifdef __cplusplus +/* Special helper for member function pointers +it gets the address, casts it, then dereferences it */ +/*#define SWIG_mem_fn_as_voidptr(a) (*((char**)&(a))) */ +#endif + +/* storing/access of swig_module_info */ +SWIGRUNTIME swig_module_info * +SWIG_Lua_GetModule(lua_State *L) { + swig_module_info *ret = 0; + lua_pushstring(L,"swig_runtime_data_type_pointer" SWIG_RUNTIME_VERSION SWIG_TYPE_TABLE_NAME); + lua_rawget(L,LUA_REGISTRYINDEX); + if (lua_islightuserdata(L,-1)) + ret=(swig_module_info*)lua_touserdata(L,-1); + lua_pop(L,1); /* tidy */ + return ret; +} + +SWIGRUNTIME void +SWIG_Lua_SetModule(lua_State *L, swig_module_info *module) { + /* add this all into the Lua registry: */ + lua_pushstring(L,"swig_runtime_data_type_pointer" SWIG_RUNTIME_VERSION SWIG_TYPE_TABLE_NAME); + lua_pushlightuserdata(L,(void*)module); + lua_rawset(L,LUA_REGISTRYINDEX); +} + +/* ----------------------------------------------------------------------------- + * global variable support code: modules + * ----------------------------------------------------------------------------- */ + +/* this function is called when trying to set an immutable. +default action is to print an error. +This can removed with a compile flag SWIGLUA_IGNORE_SET_IMMUTABLE */ +SWIGINTERN int SWIG_Lua_set_immutable(lua_State *L) +{ +/* there should be 1 param passed in: the new value */ +#ifndef SWIGLUA_IGNORE_SET_IMMUTABLE + lua_pop(L,1); /* remove it */ + luaL_error(L,"This variable is immutable"); +#endif + return 0; /* should not return anything */ +} + +#ifdef SWIG_LUA_ELUA_EMULATE + +SWIGRUNTIME void SWIG_Lua_NewPointerObj(lua_State *L,void *ptr,swig_type_info *type, int own); +SWIGRUNTIME void SWIG_Lua_NewPackedObj(lua_State *L,void *ptr,size_t size,swig_type_info *type); +static int swig_lua_elua_emulate_unique_key; + +/* This function emulates eLua rotables behaviour. It loads a rotable definition into the usual lua table. */ +SWIGINTERN void SWIG_Lua_elua_emulate_register(lua_State *L, const swig_elua_entry *table) +{ + int i, table_parsed, parsed_tables_array, target_table; + assert(lua_istable(L,-1)); + target_table = lua_gettop(L); + /* Get the registry where we put all parsed tables to avoid loops */ + lua_rawgetp(L, LUA_REGISTRYINDEX, &swig_lua_elua_emulate_unique_key); + if(lua_isnil(L,-1)) { + lua_pop(L,1); + lua_newtable(L); + lua_pushvalue(L,-1); + lua_rawsetp(L,LUA_REGISTRYINDEX,(void*)(&swig_lua_elua_emulate_unique_key)); + } + parsed_tables_array = lua_gettop(L); + lua_pushvalue(L,target_table); + lua_rawsetp(L, parsed_tables_array, table); + table_parsed = 0; + const int SWIGUNUSED pairs_start = lua_gettop(L); + for(i = 0;table[i].key.type != LUA_TNIL || table[i].value.type != LUA_TNIL;i++) + { + const swig_elua_entry *entry = table + i; + int is_metatable = 0; + switch(entry->key.type) { + case LUA_TSTRING: + lua_pushstring(L,entry->key.key.strkey); + if(strcmp(entry->key.key.strkey, SWIG_LUA_ELUA_EMUL_METATABLE_KEY) == 0) + is_metatable = 1; + break; + case LUA_TNUMBER: + lua_pushnumber(L,entry->key.key.numkey); + break; + case LUA_TNIL: + lua_pushnil(L); + break; + default: + assert(0); + } + switch(entry->value.type) { + case LUA_TSTRING: + lua_pushstring(L,entry->value.value.string); + break; + case LUA_TNUMBER: + lua_pushnumber(L,entry->value.value.number); + break; + case LUA_TFUNCTION: + lua_pushcfunction(L,entry->value.value.function); + break; + case LUA_TTABLE: + lua_rawgetp(L,parsed_tables_array, entry->value.value.table); + table_parsed = !lua_isnil(L,-1); + if(!table_parsed) { + lua_pop(L,1); /*remove nil */ + lua_newtable(L); + SWIG_Lua_elua_emulate_register(L,entry->value.value.table); + } + if(is_metatable) { + assert(lua_istable(L,-1)); + lua_pushvalue(L,-1); + lua_setmetatable(L,target_table); + } + + break; + case LUA_TUSERDATA: + if(entry->value.value.userdata.member) + SWIG_NewMemberObj(L,entry->value.value.userdata.pvalue, + entry->value.value.userdata.lvalue, + *(entry->value.value.userdata.ptype)); + else + SWIG_NewPointerObj(L,entry->value.value.userdata.pvalue, + *(entry->value.value.userdata.ptype),0); + break; + case LUA_TNIL: + lua_pushnil(L); + break; + default: + assert(0); + } + assert(lua_gettop(L) == pairs_start + 2); + lua_rawset(L,target_table); + } + lua_pop(L,1); /* Removing parsed tables storage */ + assert(lua_gettop(L) == target_table); +} + +SWIGINTERN void SWIG_Lua_elua_emulate_register_clear(lua_State *L) +{ + lua_pushnil(L); + lua_rawsetp(L, LUA_REGISTRYINDEX, &swig_lua_elua_emulate_unique_key); +} + +SWIGINTERN void SWIG_Lua_get_class_registry(lua_State *L); + +SWIGINTERN int SWIG_Lua_emulate_elua_getmetatable(lua_State *L) +{ + SWIG_check_num_args("getmetatable(SWIG eLua emulation)", 1, 1); + SWIG_Lua_get_class_registry(L); + lua_getfield(L,-1,"lua_getmetatable"); + lua_remove(L,-2); /* remove the registry*/ + assert(!lua_isnil(L,-1)); + lua_pushvalue(L,1); + assert(lua_gettop(L) == 3); /* object | function | object again */ + lua_call(L,1,1); + if(!lua_isnil(L,-1)) /*There is an ordinary metatable */ + return 1; + /*if it is a table, then emulate elua behaviour - check for __metatable attribute of a table*/ + assert(lua_gettop(L) == 2); + if(lua_istable(L,-2)) { + lua_pop(L,1); /*remove the nil*/ + lua_getfield(L,-1, SWIG_LUA_ELUA_EMUL_METATABLE_KEY); + } + assert(lua_gettop(L) == 2); + return 1; + +fail: + lua_error(L); + return 0; +} + +SWIGINTERN void SWIG_Lua_emulate_elua_swap_getmetatable(lua_State *L) +{ + SWIG_Lua_get_class_registry(L); + lua_pushglobaltable(L); + lua_pushstring(L,"lua_getmetatable"); + lua_getfield(L,-2,"getmetatable"); + assert(!lua_isnil(L,-1)); + lua_rawset(L,-4); + lua_pushstring(L, "getmetatable"); + lua_pushcfunction(L, SWIG_Lua_emulate_elua_getmetatable); + lua_rawset(L,-3); + lua_pop(L,2); + +} +/* END OF REMOVE */ + +#endif +/* ----------------------------------------------------------------------------- + * global variable support code: namespaces and modules (which are the same thing) + * ----------------------------------------------------------------------------- */ + +SWIGINTERN int SWIG_Lua_namespace_get(lua_State *L) +{ +/* there should be 2 params passed in + (1) table (not the meta table) + (2) string name of the attribute +*/ + assert(lua_istable(L,-2)); /* just in case */ + lua_getmetatable(L,-2); + assert(lua_istable(L,-1)); + SWIG_Lua_get_table(L,".get"); /* find the .get table */ + assert(lua_istable(L,-1)); + /* look for the key in the .get table */ + lua_pushvalue(L,2); /* key */ + lua_rawget(L,-2); + lua_remove(L,-2); /* stack tidy, remove .get table */ + if (lua_iscfunction(L,-1)) + { /* found it so call the fn & return its value */ + lua_call(L,0,1); /* 1 value in (userdata),1 out (result) */ + lua_remove(L,-2); /* stack tidy, remove metatable */ + return 1; + } + lua_pop(L,1); /* remove whatever was there */ + /* ok, so try the .fn table */ + SWIG_Lua_get_table(L,".fn"); /* find the .get table */ + assert(lua_istable(L,-1)); /* just in case */ + lua_pushvalue(L,2); /* key */ + lua_rawget(L,-2); /* look for the fn */ + lua_remove(L,-2); /* stack tidy, remove .fn table */ + if (lua_isfunction(L,-1)) /* note: whether it's a C function or lua function */ + { /* found it so return the fn & let lua call it */ + lua_remove(L,-2); /* stack tidy, remove metatable */ + return 1; + } + lua_pop(L,1); /* remove whatever was there */ + return 0; +} + +SWIGINTERN int SWIG_Lua_namespace_set(lua_State *L) +{ +/* there should be 3 params passed in + (1) table (not the meta table) + (2) string name of the attribute + (3) any for the new value +*/ + + assert(lua_istable(L,1)); + lua_getmetatable(L,1); /* get the meta table */ + assert(lua_istable(L,-1)); + + SWIG_Lua_get_table(L,".set"); /* find the .set table */ + if (lua_istable(L,-1)) + { + /* look for the key in the .set table */ + lua_pushvalue(L,2); /* key */ + lua_rawget(L,-2); + if (lua_iscfunction(L,-1)) + { /* found it so call the fn & return its value */ + lua_pushvalue(L,3); /* value */ + lua_call(L,1,0); + return 0; + } + lua_pop(L,1); /* remove the value */ + } + lua_pop(L,1); /* remove the value .set table */ + lua_pop(L,1); /* remote metatable */ + lua_rawset(L,-3); + return 0; +} + +#if (SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_LUA) /* In elua this is useless */ +SWIGINTERN void SWIG_Lua_InstallConstants(lua_State *L, swig_lua_const_info constants[]); /* forward declaration */ +SWIGINTERN void SWIG_Lua_add_variable(lua_State *L,const char *name,lua_CFunction getFn,lua_CFunction setFn); /* forward declaration */ +SWIGINTERN void SWIG_Lua_class_register(lua_State *L,swig_lua_class *clss); + +/* helper function - register namespace methods and attributes into namespace */ +SWIGINTERN int SWIG_Lua_add_namespace_details(lua_State *L, swig_lua_namespace *ns) +{ + int i; + /* There must be namespace table (not metatable) at the top of the stack */ + assert(lua_istable(L,-1)); + SWIG_Lua_InstallConstants(L, ns->ns_constants); + + /* add methods to the namespace/module table */ + for(i=0;ns->ns_methods[i].name;i++){ + SWIG_Lua_add_function(L,ns->ns_methods[i].name,ns->ns_methods[i].func); + } + lua_getmetatable(L,-1); + + /* add fns */ + for(i=0;ns->ns_attributes[i].name;i++){ + SWIG_Lua_add_variable(L,ns->ns_attributes[i].name,ns->ns_attributes[i].getmethod,ns->ns_attributes[i].setmethod); + } + + /* clear stack - remove metatble */ + lua_pop(L,1); + return 0; +} + +/* Register all classes in the namespace */ +SWIGINTERN void SWIG_Lua_add_namespace_classes(lua_State *L, swig_lua_namespace *ns) +{ + swig_lua_class **classes; + + /* There must be a module/namespace table at the top of the stack */ + assert(lua_istable(L,-1)); + + classes = ns->ns_classes; + + if( classes != 0 ) { + while(*classes != 0) { + SWIG_Lua_class_register(L, *classes); + classes++; + } + } +} + +/* Helper function. Creates namespace table and adds it to module table + if 'reg' is true, then will register namespace table to parent one (must be on top of the stack + when function is called). + Function always returns newly registered table on top of the stack. +*/ +SWIGINTERN void SWIG_Lua_namespace_register(lua_State *L, swig_lua_namespace *ns, int reg) +{ + swig_lua_namespace **sub_namespace; + /* 1 argument - table on the top of the stack */ + const int SWIGUNUSED begin = lua_gettop(L); + assert(lua_istable(L,-1)); /* just in case. This is supposed to be module table or parent namespace table */ + lua_checkstack(L,5); + lua_newtable(L); /* namespace itself */ + lua_newtable(L); /* metatable for namespace */ + + /* add a table called ".get" */ + lua_pushstring(L,".get"); + lua_newtable(L); + lua_rawset(L,-3); + /* add a table called ".set" */ + lua_pushstring(L,".set"); + lua_newtable(L); + lua_rawset(L,-3); + /* add a table called ".fn" */ + lua_pushstring(L,".fn"); + lua_newtable(L); + lua_rawset(L,-3); + + /* add accessor fns for using the .get,.set&.fn */ + SWIG_Lua_add_function(L,"__index",SWIG_Lua_namespace_get); + SWIG_Lua_add_function(L,"__newindex",SWIG_Lua_namespace_set); + + lua_setmetatable(L,-2); /* set metatable */ + + /* Register all functions, variables etc */ + SWIG_Lua_add_namespace_details(L,ns); + /* Register classes */ + SWIG_Lua_add_namespace_classes(L,ns); + + sub_namespace = ns->ns_namespaces; + if( sub_namespace != 0) { + while(*sub_namespace != 0) { + SWIG_Lua_namespace_register(L, *sub_namespace, 1); + lua_pop(L,1); /* removing sub-namespace table */ + sub_namespace++; + } + } + + if (reg) { + lua_pushstring(L,ns->name); + lua_pushvalue(L,-2); + lua_rawset(L,-4); /* add namespace to module table */ + } + assert(lua_gettop(L) == begin+1); +} +#endif /* SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_LUA */ + +/* ----------------------------------------------------------------------------- + * global variable support code: classes + * ----------------------------------------------------------------------------- */ + +SWIGINTERN void SWIG_Lua_get_class_metatable(lua_State *L,const char *cname); + +typedef int (*swig_lua_base_iterator_func)(lua_State*,swig_type_info*, int, int *ret); + +SWIGINTERN int SWIG_Lua_iterate_bases(lua_State *L, swig_type_info * SWIGUNUSED swig_type, + int first_arg, swig_lua_base_iterator_func func, int *const ret) +{ + /* first_arg - position of the object in stack. Everything that is above are arguments + * and is passed to every evocation of the func */ + int last_arg = lua_gettop(L);/* position of last argument */ + int original_metatable = last_arg + 1; + size_t bases_count; + int result = SWIG_ERROR; + int bases_table; + (void)swig_type; + lua_getmetatable(L,first_arg); + + /* initialise base search */ +#if (SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_LUA) + SWIG_Lua_get_table(L,".bases"); + assert(lua_istable(L,-1)); + bases_count = lua_rawlen(L,-1); + bases_table = lua_gettop(L); +#else + /* In elua .bases table doesn't exist. Use table from swig_lua_class */ + (void)bases_table; + assert(swig_type!=0); + swig_module_info *module=SWIG_GetModule(L); + swig_lua_class **bases= ((swig_lua_class*)(swig_type->clientdata))->bases; + const char **base_names= ((swig_lua_class*)(swig_type->clientdata))->base_names; + bases_count = 0; + for(;base_names[bases_count]; + bases_count++);/* get length of bases */ +#endif + + if(ret) + *ret = 0; + if(bases_count>0) + { + int to_remove; + size_t i; + int j; + int subcall_last_arg; + int subcall_first_arg = lua_gettop(L) + 1;/* Here a copy of first_arg and arguments begin */ + int valid = 1; + swig_type_info *base_swig_type = 0; + for(j=first_arg;j<=last_arg;j++) + lua_pushvalue(L,j); + subcall_last_arg = lua_gettop(L); + + /* Trick: temporarily replacing original metatable with metatable for base class and call getter */ + for(i=0;i<bases_count;i++) { + /* Iteration through class bases */ +#if (SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_LUA) + lua_rawgeti(L,bases_table,i+1); + base_swig_type = 0; + if(lua_isnil(L,-1)) { + valid = 0; + lua_pop(L,1); + } else { + valid = 1; + } +#else /* In elua .bases table doesn't exist. Use table from swig_lua_class */ + swig_lua_class *base_class = bases[i]; + if(!base_class) { + valid = 0; + } else { + valid = 1; + SWIG_Lua_get_class_metatable(L,base_class->fqname); + base_swig_type = SWIG_TypeQueryModule(module,module,base_names[i]); + assert(base_swig_type != 0); + } +#endif + + if(!valid) + continue; + assert(lua_isuserdata(L, subcall_first_arg)); + assert(lua_istable(L,-1)); + lua_setmetatable(L,subcall_first_arg); /* Set new metatable */ + assert(lua_gettop(L) == subcall_last_arg); + result = func(L, base_swig_type,subcall_first_arg, ret); /* Forward call */ + if(result != SWIG_ERROR) { + break; + } + } + /* Restore original metatable */ + lua_pushvalue(L,original_metatable); + lua_setmetatable(L,first_arg); + /* Clear - remove everything between last_arg and subcall_last_arg including */ + to_remove = subcall_last_arg - last_arg; + for(j=0;j<to_remove;j++) + lua_remove(L,last_arg+1); + } else { + /* Remove everything after last_arg */ + lua_pop(L, lua_gettop(L) - last_arg); + } + if(ret) assert(lua_gettop(L) == last_arg + *ret); + return result; +} + +/* The class.get method helper, performs the lookup of class attributes. + * It returns an error code. Number of function return values is passed inside 'ret'. + * first_arg is not used in this function because function always has 2 arguments. + */ +SWIGINTERN int SWIG_Lua_class_do_get_item(lua_State *L, swig_type_info *type, int SWIGUNUSED first_arg, int *ret) +{ +/* there should be 2 params passed in + (1) userdata (not the meta table) + (2) string name of the attribute +*/ + int bases_search_result; + int substack_start = lua_gettop(L)-2; + assert(first_arg == substack_start+1); + lua_checkstack(L,5); + assert(lua_isuserdata(L,-2)); /* just in case */ + lua_getmetatable(L,-2); /* get the meta table */ + assert(lua_istable(L,-1)); /* just in case */ + /* NEW: looks for the __getitem() fn + this is a user provided get fn */ + SWIG_Lua_get_table(L,"__getitem"); /* find the __getitem fn */ + if (lua_iscfunction(L,-1)) /* if its there */ + { /* found it so call the fn & return its value */ + lua_pushvalue(L,substack_start+1); /* the userdata */ + lua_pushvalue(L,substack_start+2); /* the parameter */ + lua_call(L,2,1); /* 2 value in (userdata),1 out (result) */ + lua_remove(L,-2); /* stack tidy, remove metatable */ + if(ret) *ret = 1; + return SWIG_OK; + } + lua_pop(L,1); + /* Remove the metatable */ + lua_pop(L,1); + /* Search in base classes */ + bases_search_result = SWIG_Lua_iterate_bases(L,type,substack_start+1,SWIG_Lua_class_do_get_item,ret); + return bases_search_result; /* sorry not known */ +} + + +/* The class.get method helper, performs the lookup of class attributes. + * It returns an error code. Number of function return values is passed inside 'ret'. + * first_arg is not used in this function because function always has 2 arguments. + */ +SWIGINTERN int SWIG_Lua_class_do_get(lua_State *L, swig_type_info *type, int SWIGUNUSED first_arg, int *ret) +{ +/* there should be 2 params passed in + (1) userdata (not the meta table) + (2) string name of the attribute +*/ + int bases_search_result; + int substack_start = lua_gettop(L)-2; + assert(first_arg == substack_start+1); + lua_checkstack(L,5); + assert(lua_isuserdata(L,-2)); /* just in case */ + lua_getmetatable(L,-2); /* get the meta table */ + assert(lua_istable(L,-1)); /* just in case */ + SWIG_Lua_get_table(L,".get"); /* find the .get table */ + assert(lua_istable(L,-1)); /* just in case */ + /* look for the key in the .get table */ + lua_pushvalue(L,substack_start+2); /* key */ + lua_rawget(L,-2); + lua_remove(L,-2); /* stack tidy, remove .get table */ + if (lua_iscfunction(L,-1)) + { /* found it so call the fn & return its value */ + lua_pushvalue(L,substack_start+1); /* the userdata */ + lua_call(L,1,1); /* 1 value in (userdata),1 out (result) */ + lua_remove(L,-2); /* stack tidy, remove metatable */ + if(ret) + *ret = 1; + return SWIG_OK; + } + lua_pop(L,1); /* remove whatever was there */ + /* ok, so try the .fn table */ + SWIG_Lua_get_table(L,".fn"); /* find the .fn table */ + assert(lua_istable(L,-1)); /* just in case */ + lua_pushvalue(L,substack_start+2); /* key */ + lua_rawget(L,-2); /* look for the fn */ + lua_remove(L,-2); /* stack tidy, remove .fn table */ + if (lua_isfunction(L,-1)) /* note: if its a C function or lua function */ + { /* found it so return the fn & let lua call it */ + lua_remove(L,-2); /* stack tidy, remove metatable */ + if(ret) + *ret = 1; + return SWIG_OK; + } + lua_pop(L,1); /* remove whatever was there */ + /* Remove the metatable */ + lua_pop(L,1); + /* Search in base classes */ + bases_search_result = SWIG_Lua_iterate_bases(L,type,substack_start+1,SWIG_Lua_class_do_get,ret); + return bases_search_result; /* sorry not known */ +} + +/* the class.get method, performs the lookup of class attributes + */ +SWIGINTERN int SWIG_Lua_class_get(lua_State *L) +{ +/* there should be 2 params passed in + (1) userdata (not the meta table) + (2) string name of the attribute +*/ + int result; + swig_lua_userdata *usr; + swig_type_info *type; + int ret = 0; + assert(lua_isuserdata(L,1)); + usr=(swig_lua_userdata*)lua_touserdata(L,1); /* get data */ + type = usr->type; + result = SWIG_Lua_class_do_get(L,type,1,&ret); + if(result == SWIG_OK) + return ret; + + result = SWIG_Lua_class_do_get_item(L,type,1,&ret); + if(result == SWIG_OK) + return ret; + + return 0; +} + +/* helper for the class.set method, performs the lookup of class attributes + * It returns error code. Number of function return values is passed inside 'ret' + */ +SWIGINTERN int SWIG_Lua_class_do_set(lua_State *L, swig_type_info *type, int first_arg, int *ret) +{ +/* there should be 3 params passed in + (1) table (not the meta table) + (2) string name of the attribute + (3) any for the new value + */ + + int bases_search_result; + int substack_start = lua_gettop(L) - 3; + lua_checkstack(L,5); + assert(lua_isuserdata(L,substack_start+1)); /* just in case */ + lua_getmetatable(L,substack_start+1); /* get the meta table */ + assert(lua_istable(L,-1)); /* just in case */ + if(ret) + *ret = 0; /* it is setter - number of return values is always 0 */ + + SWIG_Lua_get_table(L,".set"); /* find the .set table */ + if (lua_istable(L,-1)) + { + /* look for the key in the .set table */ + lua_pushvalue(L,substack_start+2); /* key */ + lua_rawget(L,-2); + lua_remove(L,-2); /* tidy stack, remove .set table */ + if (lua_iscfunction(L,-1)) + { /* found it so call the fn & return its value */ + lua_pushvalue(L,substack_start+1); /* userdata */ + lua_pushvalue(L,substack_start+3); /* value */ + lua_call(L,2,0); + lua_remove(L,substack_start+4); /*remove metatable*/ + return SWIG_OK; + } + lua_pop(L,1); /* remove the value */ + } else { + lua_pop(L,1); /* remove the answer for .set table request*/ + } + /* NEW: looks for the __setitem() fn + this is a user provided set fn */ + SWIG_Lua_get_table(L,"__setitem"); /* find the fn */ + if (lua_iscfunction(L,-1)) /* if its there */ + { /* found it so call the fn & return its value */ + lua_pushvalue(L,substack_start+1); /* the userdata */ + lua_pushvalue(L,substack_start+2); /* the parameter */ + lua_pushvalue(L,substack_start+3); /* the value */ + lua_call(L,3,0); /* 3 values in ,0 out */ + lua_remove(L,-2); /* stack tidy, remove metatable */ + return SWIG_OK; + } + lua_pop(L,1); /* remove value */ + + lua_pop(L,1); /* remove metatable */ + /* Search among bases */ + bases_search_result = SWIG_Lua_iterate_bases(L,type,first_arg,SWIG_Lua_class_do_set,ret); + if(ret) + assert(*ret == 0); + assert(lua_gettop(L) == substack_start + 3); + return bases_search_result; +} + +/* This is the actual method exported to Lua. It calls SWIG_Lua_class_do_set and correctly + * handles return values. + */ +SWIGINTERN int SWIG_Lua_class_set(lua_State *L) +{ +/* There should be 3 params passed in + (1) table (not the meta table) + (2) string name of the attribute + (3) any for the new value + */ + int ret = 0; + int result; + swig_lua_userdata *usr; + swig_type_info *type; + assert(lua_isuserdata(L,1)); + usr=(swig_lua_userdata*)lua_touserdata(L,1); /* get data */ + type = usr->type; + result = SWIG_Lua_class_do_set(L,type,1,&ret); + if(result != SWIG_OK) { + SWIG_Lua_pushferrstring(L,"Assignment not possible. No setter/member with this name. For custom assignments implement __setitem method."); + lua_error(L); + } else { + assert(ret==0); + } + return 0; +} + +/* the class.destruct method called by the interpreter */ +SWIGINTERN int SWIG_Lua_class_destruct(lua_State *L) +{ +/* there should be 1 params passed in + (1) userdata (not the meta table) */ + swig_lua_userdata *usr; + swig_lua_class *clss; + assert(lua_isuserdata(L,-1)); /* just in case */ + usr=(swig_lua_userdata*)lua_touserdata(L,-1); /* get it */ + /* if must be destroyed & has a destructor */ + if (usr->own) /* if must be destroyed */ + { + clss=(swig_lua_class*)usr->type->clientdata; /* get the class */ + if (clss && clss->destructor) /* there is a destroy fn */ + { + clss->destructor(usr->ptr); /* bye bye */ + } + } + return 0; +} + +/* the class.__tostring method called by the interpreter and print */ +SWIGINTERN int SWIG_Lua_class_tostring(lua_State *L) +{ +/* there should be 1 param passed in + (1) userdata (not the metatable) */ + swig_lua_userdata* userData; + assert(lua_isuserdata(L,1)); /* just in case */ + userData = (swig_lua_userdata*)lua_touserdata(L,1); /* get the userdata address */ + + lua_pushfstring(L, "<userdata of type '%s' at %p>", userData->type->str, userData->ptr); + return 1; +} + +/* to manually disown some userdata */ +SWIGINTERN int SWIG_Lua_class_disown(lua_State *L) +{ +/* there should be 1 params passed in + (1) userdata (not the meta table) */ + swig_lua_userdata *usr; + assert(lua_isuserdata(L,-1)); /* just in case */ + usr=(swig_lua_userdata*)lua_touserdata(L,-1); /* get it */ + + usr->own = 0; /* clear our ownership */ + return 0; +} + +/* lua callable function to compare userdata's value +the issue is that two userdata may point to the same thing +but to lua, they are different objects */ +SWIGRUNTIME int SWIG_Lua_class_equal(lua_State *L) +{ + int result; + swig_lua_userdata *usr1,*usr2; + if (!lua_isuserdata(L,1) || !lua_isuserdata(L,2)) /* just in case */ + return 0; /* nil reply */ + usr1=(swig_lua_userdata*)lua_touserdata(L,1); /* get data */ + usr2=(swig_lua_userdata*)lua_touserdata(L,2); /* get data */ + /*result=(usr1->ptr==usr2->ptr && usr1->type==usr2->type); only works if type is the same*/ + result=(usr1->ptr==usr2->ptr); + lua_pushboolean(L,result); + return 1; +} + +/* populate table at the top of the stack with metamethods that ought to be inherited */ +SWIGINTERN void SWIG_Lua_populate_inheritable_metamethods(lua_State *L) +{ + SWIG_Lua_add_boolean(L, "__add", 1); + SWIG_Lua_add_boolean(L, "__sub", 1); + SWIG_Lua_add_boolean(L, "__mul", 1); + SWIG_Lua_add_boolean(L, "__div", 1); + SWIG_Lua_add_boolean(L, "__mod", 1); + SWIG_Lua_add_boolean(L, "__pow", 1); + SWIG_Lua_add_boolean(L, "__unm", 1); + SWIG_Lua_add_boolean(L, "__len", 1 ); + SWIG_Lua_add_boolean(L, "__concat", 1 ); + SWIG_Lua_add_boolean(L, "__eq", 1); + SWIG_Lua_add_boolean(L, "__lt", 1); + SWIG_Lua_add_boolean(L, "__le", 1); + SWIG_Lua_add_boolean(L, "__call", 1); + SWIG_Lua_add_boolean(L, "__tostring", 1); + SWIG_Lua_add_boolean(L, "__gc", 0); +} + +/* creates the swig registry */ +SWIGINTERN void SWIG_Lua_create_class_registry(lua_State *L) +{ + /* create main SWIG registry table */ + lua_pushstring(L,"SWIG"); + lua_newtable(L); + /* populate it with some predefined data */ + + /* .library table. Placeholder */ + lua_pushstring(L,".library"); + lua_newtable(L); + { + /* list of metamethods that class inherits from its bases */ + lua_pushstring(L,"inheritable_metamethods"); + lua_newtable(L); + /* populate with list of metamethods */ + SWIG_Lua_populate_inheritable_metamethods(L); + lua_rawset(L,-3); + } + lua_rawset(L,-3); + + lua_rawset(L,LUA_REGISTRYINDEX); +} + +/* gets the swig registry (or creates it) */ +SWIGINTERN void SWIG_Lua_get_class_registry(lua_State *L) +{ + /* add this all into the swig registry: */ + lua_pushstring(L,"SWIG"); + lua_rawget(L,LUA_REGISTRYINDEX); /* get the registry */ + if (!lua_istable(L,-1)) /* not there */ + { /* must be first time, so add it */ + lua_pop(L,1); /* remove the result */ + SWIG_Lua_create_class_registry(L); + /* then get it */ + lua_pushstring(L,"SWIG"); + lua_rawget(L,LUA_REGISTRYINDEX); + } +} + +SWIGINTERN void SWIG_Lua_get_inheritable_metamethods(lua_State *L) +{ + SWIG_Lua_get_class_registry(L); + lua_pushstring(L, ".library"); + lua_rawget(L,-2); + assert( !lua_isnil(L,-1) ); + lua_pushstring(L, "inheritable_metamethods"); + lua_rawget(L,-2); + + /* Remove class registry and library table */ + lua_remove(L,-2); + lua_remove(L,-2); +} + +/* Helper function to get the classes metatable from the register */ +SWIGINTERN void SWIG_Lua_get_class_metatable(lua_State *L,const char *cname) +{ + SWIG_Lua_get_class_registry(L); /* get the registry */ + lua_pushstring(L,cname); /* get the name */ + lua_rawget(L,-2); /* get it */ + lua_remove(L,-2); /* tidy up (remove registry) */ +} + +/* Set up the base classes pointers. +Each class structure has a list of pointers to the base class structures. +This function fills them. +It cannot be done at compile time, as this will not work with hireachies +spread over more than one swig file. +Therefore it must be done at runtime, querying the SWIG type system. +*/ +SWIGINTERN void SWIG_Lua_init_base_class(lua_State *L,swig_lua_class *clss) +{ + int i=0; + swig_module_info *module=SWIG_GetModule(L); + for(i=0;clss->base_names[i];i++) + { + if (clss->bases[i]==0) /* not found yet */ + { + /* lookup and cache the base class */ + swig_type_info *info = SWIG_TypeQueryModule(module,module,clss->base_names[i]); + if (info) clss->bases[i] = (swig_lua_class *) info->clientdata; + } + } +} + +#if defined(SWIG_LUA_SQUASH_BASES) && (SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_LUA) +/* Merges two tables */ +SWIGINTERN void SWIG_Lua_merge_tables_by_index(lua_State *L, int target, int source) +{ + /* iterating */ + lua_pushnil(L); + while (lua_next(L,source) != 0) { + /* -1 - value, -2 - index */ + /* have to copy to assign */ + lua_pushvalue(L,-2); /* copy of index */ + lua_pushvalue(L,-2); /* copy of value */ + lua_rawset(L, target); + lua_pop(L,1); + /* only key is left */ + } +} + +/* Merges two tables with given name. original - index of target metatable, base - index of source metatable */ +SWIGINTERN void SWIG_Lua_merge_tables(lua_State *L, const char* name, int original, int base) +{ + /* push original[name], then base[name] */ + lua_pushstring(L,name); + lua_rawget(L,original); + int original_table = lua_gettop(L); + lua_pushstring(L,name); + lua_rawget(L,base); + int base_table = lua_gettop(L); + SWIG_Lua_merge_tables_by_index(L, original_table, base_table); + /* clearing stack */ + lua_pop(L,2); +} + +/* Function takes all symbols from base and adds it to derived class. It's just a helper. */ +SWIGINTERN void SWIG_Lua_class_squash_base(lua_State *L, swig_lua_class *base_cls) +{ + /* There is one parameter - original, i.e. 'derived' class metatable */ + assert(lua_istable(L,-1)); + int original = lua_gettop(L); + SWIG_Lua_get_class_metatable(L,base_cls->fqname); + int base = lua_gettop(L); + SWIG_Lua_merge_tables(L, ".fn", original, base ); + SWIG_Lua_merge_tables(L, ".set", original, base ); + SWIG_Lua_merge_tables(L, ".get", original, base ); + lua_pop(L,1); +} + +/* Function squashes all symbols from 'clss' bases into itself */ +SWIGINTERN void SWIG_Lua_class_squash_bases(lua_State *L, swig_lua_class *clss) +{ + int i; + SWIG_Lua_get_class_metatable(L,clss->fqname); + for(i=0;clss->base_names[i];i++) + { + if (clss->bases[i]==0) /* Somehow it's not found. Skip it */ + continue; + /* Thing is: all bases are already registered. Thus they have already executed + * this function. So we just need to squash them into us, because their bases + * are already squashed into them. No need for recursion here! + */ + SWIG_Lua_class_squash_base(L, clss->bases[i]); + } + lua_pop(L,1); /*tidy stack*/ +} +#endif + +#if (SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_LUA) /* In elua this is useless */ +/* helper add a variable to a registered class */ +SWIGINTERN void SWIG_Lua_add_variable(lua_State *L,const char *name,lua_CFunction getFn,lua_CFunction setFn) +{ + assert(lua_istable(L,-1)); /* just in case */ + SWIG_Lua_get_table(L,".get"); /* find the .get table */ + assert(lua_istable(L,-1)); /* just in case */ + SWIG_Lua_add_function(L,name,getFn); + lua_pop(L,1); /* tidy stack (remove table) */ + if (setFn) + { + SWIG_Lua_get_table(L,".set"); /* find the .set table */ + assert(lua_istable(L,-1)); /* just in case */ + SWIG_Lua_add_function(L,name,setFn); + lua_pop(L,1); /* tidy stack (remove table) */ + } +} + +/* helper to recursively add class static details (static attributes, operations and constants) */ +SWIGINTERN void SWIG_Lua_add_class_static_details(lua_State *L, swig_lua_class *clss) +{ + int i = 0; + /* The class namespace table must be on the top of the stack */ + assert(lua_istable(L,-1)); + /* call all the base classes first: we can then override these later: */ + for(i=0;clss->bases[i];i++) + { + SWIG_Lua_add_class_static_details(L,clss->bases[i]); + } + + SWIG_Lua_add_namespace_details(L, clss->cls_static); +} + +SWIGINTERN void SWIG_Lua_add_class_user_metamethods(lua_State *L, swig_lua_class *clss); /* forward declaration */ + +/* helper to recursively add class details (attributes & operations) */ +SWIGINTERN void SWIG_Lua_add_class_instance_details(lua_State *L, swig_lua_class *clss) +{ + int i; + size_t bases_count = 0; + /* Add bases to .bases table */ + SWIG_Lua_get_table(L,".bases"); + assert(lua_istable(L,-1)); /* just in case */ + for(i=0;clss->bases[i];i++) + { + SWIG_Lua_get_class_metatable(L,clss->bases[i]->fqname); + /* Base class must be already registered */ + assert(lua_istable(L,-1)); + lua_rawseti(L,-2,i+1); /* In lua indexing starts from 1 */ + bases_count++; + } + assert(lua_rawlen(L,-1) == bases_count); + lua_pop(L,1); /* remove .bases table */ + /* add attributes */ + for(i=0;clss->attributes[i].name;i++){ + SWIG_Lua_add_variable(L,clss->attributes[i].name,clss->attributes[i].getmethod,clss->attributes[i].setmethod); + } + /* add methods to the metatable */ + SWIG_Lua_get_table(L,".fn"); /* find the .fn table */ + assert(lua_istable(L,-1)); /* just in case */ + for(i=0;clss->methods[i].name;i++){ + SWIG_Lua_add_function(L,clss->methods[i].name,clss->methods[i].func); + } + lua_pop(L,1); /* tidy stack (remove table) */ + /* add operator overloads + This adds methods from metatable array to metatable. Can mess up garbage + collectind if someone defines __gc method + */ + if(clss->metatable) { + for(i=0;clss->metatable[i].name;i++) { + SWIG_Lua_add_function(L,clss->metatable[i].name,clss->metatable[i].func); + } + } + +#if !defined(SWIG_LUA_SQUASH_BASES) + /* Adding metamethods that are defined in base classes. If bases were squashed + * then it is obviously unnecessary + */ + SWIG_Lua_add_class_user_metamethods(L, clss); +#endif +} + +/* Helpers to add user defined class metamedhods - __add, __sub etc. The helpers are needed + for the following issue: Lua runtime checks for metamethod existence with rawget function + ignoring our SWIG-provided __index and __newindex functions. Thus our inheritance-aware method + search algorithm doesn't work in such case. (Not to say that Lua runtime queries metamethod directly + in metatable and not in object). + Current solution is this: if somewhere in hierarchy metamethod __x is defined, then all descendants + are automatically given a special proxy __x that calls the real __x method. + Obvious idea - to copy __x instead of creating __x-proxy is wrong because if someone changes __x in runtime, + those changes must be reflected in all descendants. +*/ + +SWIGRUNTIME int SWIG_Lua_resolve_metamethod(lua_State *L); /*forward declaration*/ + +/* The real function that resolves a metamethod. + * Function searches given class and all it's bases(recursively) for first instance of something that is + * not equal to SWIG_Lua_resolve_metatmethod. (Almost always this 'something' is actual metamethod implementation + * and it is a SWIG-generated C function.). It returns value on the top of the L and there is no garbage below the + * answer. + * Returns 1 if found, 0 otherwise. + * clss is class which metatable we will search for method + * metamethod_name_idx is index in L where metamethod name (as string) lies + * skip_check allows to skip searching metamethod in givel clss and immideatelly go to searching in bases. skip_check + * is not caried to subsequent recursive calls - false is always passed. It is set to true only at first call from + * SWIG_Lua_resolve_metamethod + * */ +SWIGINTERN int SWIG_Lua_do_resolve_metamethod(lua_State *L, const swig_lua_class *clss, int metamethod_name_idx, + int skip_check) +{ + /* This function is called recursively */ + int result = 0; + int i = 0; + + if (!skip_check) { + SWIG_Lua_get_class_metatable(L, clss->fqname); + lua_pushvalue(L, metamethod_name_idx); + lua_rawget(L,-2); + /* If this is cfunction and it is equal to SWIG_Lua_resolve_metamethod then + * this isn't the function we are looking for :) + * lua_tocfunction will return NULL if not cfunction + */ + if (!lua_isnil(L,-1) && lua_tocfunction(L,-1) != SWIG_Lua_resolve_metamethod ) { + lua_remove(L,-2); /* removing class metatable */ + return 1; + } + lua_pop(L,2); /* remove class metatable and query result */ + } + + /* Forwarding calls to bases */ + for(i=0;clss->bases[i];i++) + { + result = SWIG_Lua_do_resolve_metamethod(L, clss->bases[i], metamethod_name_idx, 0); + if (result) + break; + } + + return result; +} + +/* The proxy function for metamethod. All parameters are passed as cclosure. Searches for actual method + * and calls it */ +SWIGRUNTIME int SWIG_Lua_resolve_metamethod(lua_State *L) +{ + int numargs; + int metamethod_name_idx; + const swig_lua_class* clss; + int result; + + lua_checkstack(L,5); + numargs = lua_gettop(L); /* number of arguments to pass to actual metamethod */ + + /* Get upvalues from closure */ + lua_pushvalue(L, lua_upvalueindex(1)); /*Get function name*/ + metamethod_name_idx = lua_gettop(L); + + lua_pushvalue(L, lua_upvalueindex(2)); + clss = (const swig_lua_class*)(lua_touserdata(L,-1)); + lua_pop(L,1); /* remove lightuserdata with clss from stack */ + + /* Actual work */ + result = SWIG_Lua_do_resolve_metamethod(L, clss, metamethod_name_idx, 1); + if (!result) { + SWIG_Lua_pushferrstring(L,"The metamethod proxy is set, but it failed to find actual metamethod. Memory corruption is most likely explanation."); + lua_error(L); + return 0; + } + + lua_remove(L,-2); /* remove metamethod key */ + lua_insert(L,1); /* move function to correct position */ + lua_call(L, numargs, LUA_MULTRET); + return lua_gettop(L); /* return all results */ +} + + +/* If given metamethod must be present in given class, then creates appropriate proxy + * Returns 1 if successfully added, 0 if not added because no base class has it, -1 + * if method is defined in the class metatable itself + */ +SWIGINTERN int SWIG_Lua_add_class_user_metamethod(lua_State *L, swig_lua_class *clss, const int metatable_index) +{ + int key_index; + int success = 0; + int i = 0; + + /* metamethod name - on the top of the stack */ + assert(lua_isstring(L,-1)); + + key_index = lua_gettop(L); + + /* Check whether method is already defined in metatable */ + lua_pushvalue(L,key_index); /* copy of the key */ + lua_gettable(L,metatable_index); + if( !lua_isnil(L,-1) ) { + lua_pop(L,1); + return -1; + } + lua_pop(L,1); + + /* Iterating over immediate bases */ + for(i=0;clss->bases[i];i++) + { + const swig_lua_class *base = clss->bases[i]; + SWIG_Lua_get_class_metatable(L, base->fqname); + lua_pushvalue(L, key_index); + lua_rawget(L, -2); + if( !lua_isnil(L,-1) ) { + lua_pushvalue(L, key_index); + + /* Add proxy function */ + lua_pushvalue(L, key_index); /* first closure value is function name */ + lua_pushlightuserdata(L, clss); /* second closure value is swig_lua_class structure */ + lua_pushcclosure(L, SWIG_Lua_resolve_metamethod, 2); + + lua_rawset(L, metatable_index); + success = 1; + } + lua_pop(L,1); /* remove function or nil */ + lua_pop(L,1); /* remove base class metatable */ + + if( success ) + break; + } + + return success; +} + +SWIGINTERN void SWIG_Lua_add_class_user_metamethods(lua_State *L, swig_lua_class *clss) +{ + int metatable_index; + int metamethods_info_index; + int tostring_undefined; + int eq_undefined = 0; + + SWIG_Lua_get_class_metatable(L, clss->fqname); + metatable_index = lua_gettop(L); + SWIG_Lua_get_inheritable_metamethods(L); + assert(lua_istable(L,-1)); + metamethods_info_index = lua_gettop(L); + lua_pushnil(L); /* first key */ + while(lua_next(L, metamethods_info_index) != 0 ) { + /* key at index -2, value at index -1 */ + const int is_inheritable = lua_toboolean(L,-2); + lua_pop(L,1); /* remove value - we don't need it anymore */ + + if(is_inheritable) { /* if metamethod is inheritable */ + SWIG_Lua_add_class_user_metamethod(L,clss,metatable_index); + } + } + + lua_pop(L,1); /* remove inheritable metatmethods table */ + + /* Special handling for __tostring method */ + lua_pushstring(L, "__tostring"); + lua_pushvalue(L,-1); + lua_rawget(L,metatable_index); + tostring_undefined = lua_isnil(L,-1); + lua_pop(L,1); + if( tostring_undefined ) { + lua_pushcfunction(L, SWIG_Lua_class_tostring); + lua_rawset(L, metatable_index); + } else { + lua_pop(L,1); /* remove copy of the key */ + } + + /* Special handling for __eq method */ + lua_pushstring(L, "__eq"); + lua_pushvalue(L,-1); + lua_rawget(L,metatable_index); + eq_undefined = lua_isnil(L,-1); + lua_pop(L,1); + if( eq_undefined ) { + lua_pushcfunction(L, SWIG_Lua_class_equal); + lua_rawset(L, metatable_index); + } else { + lua_pop(L,1); /* remove copy of the key */ + } + /* Warning: __index and __newindex are SWIG-defined. For user-defined operator[] + * a __getitem/__setitem method should be defined + */ + lua_pop(L,1); /* pop class metatable */ +} + +/* Register class static methods,attributes etc as well as constructor proxy */ +SWIGINTERN void SWIG_Lua_class_register_static(lua_State *L, swig_lua_class *clss) +{ + const int SWIGUNUSED begin = lua_gettop(L); + lua_checkstack(L,5); /* just in case */ + assert(lua_istable(L,-1)); /* just in case */ + assert(strcmp(clss->name, clss->cls_static->name) == 0); /* in class those 2 must be equal */ + + SWIG_Lua_namespace_register(L,clss->cls_static, 1); + + assert(lua_istable(L,-1)); /* just in case */ + + /* add its constructor to module with the name of the class + so you can do MyClass(...) as well as new_MyClass(...) + BUT only if a constructor is defined + (this overcomes the problem of pure virtual classes without constructors)*/ + if (clss->constructor) + { + lua_getmetatable(L,-1); + assert(lua_istable(L,-1)); /* just in case */ + SWIG_Lua_add_function(L,"__call", clss->constructor); + lua_pop(L,1); + } + + assert(lua_istable(L,-1)); /* just in case */ + SWIG_Lua_add_class_static_details(L, clss); + + /* clear stack */ + lua_pop(L,1); + assert( lua_gettop(L) == begin ); +} + +/* Performs the instance (non-static) class registration process. Metatable for class is created + * and added to the class registry. + */ +SWIGINTERN void SWIG_Lua_class_register_instance(lua_State *L,swig_lua_class *clss) +{ + const int SWIGUNUSED begin = lua_gettop(L); + int i; + /* if name already there (class is already registered) then do nothing */ + SWIG_Lua_get_class_registry(L); /* get the registry */ + lua_pushstring(L,clss->fqname); /* get the name */ + lua_rawget(L,-2); + if(!lua_isnil(L,-1)) { + lua_pop(L,2); + assert(lua_gettop(L)==begin); + return; + } + lua_pop(L,2); /* tidy stack */ + /* Recursively initialize all bases */ + for(i=0;clss->bases[i];i++) + { + SWIG_Lua_class_register_instance(L,clss->bases[i]); + } + /* Again, get registry and push name */ + SWIG_Lua_get_class_registry(L); /* get the registry */ + lua_pushstring(L,clss->fqname); /* get the name */ + lua_newtable(L); /* create the metatable */ +#if defined(SWIG_LUA_SQUASH_BASES) && (SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_LUA) + /* If squashing is requested, then merges all bases metatable into this one. + * It would get us all special methods: __getitem, __add etc. + * This would set .fn, .type, and other .xxx incorrectly, but we will overwrite it right away + */ + { + int new_metatable_index = lua_absindex(L,-1); + for(i=0;clss->bases[i];i++) + { + int base_metatable; + SWIG_Lua_get_class_metatable(L,clss->bases[i]->fqname); + base_metatable = lua_absindex(L,-1); + SWIG_Lua_merge_tables_by_index(L,new_metatable_index, base_metatable); + lua_pop(L,1); + } + } + /* And now we will overwrite all incorrectly set data */ +#endif + /* add string of class name called ".type" */ + lua_pushstring(L,".type"); + lua_pushstring(L,clss->fqname); + lua_rawset(L,-3); + /* add a table called bases */ + lua_pushstring(L,".bases"); + lua_newtable(L); + lua_rawset(L,-3); + /* add a table called ".get" */ + lua_pushstring(L,".get"); + lua_newtable(L); + lua_rawset(L,-3); + /* add a table called ".set" */ + lua_pushstring(L,".set"); + lua_newtable(L); + lua_rawset(L,-3); + /* add a table called ".fn" */ + lua_pushstring(L,".fn"); + lua_newtable(L); + /* add manual disown method */ + SWIG_Lua_add_function(L,"__disown",SWIG_Lua_class_disown); + lua_rawset(L,-3); + /* add accessor fns for using the .get,.set&.fn */ + SWIG_Lua_add_function(L,"__index",SWIG_Lua_class_get); + SWIG_Lua_add_function(L,"__newindex",SWIG_Lua_class_set); + SWIG_Lua_add_function(L,"__gc",SWIG_Lua_class_destruct); + /* add it */ + lua_rawset(L,-3); /* metatable into registry */ + lua_pop(L,1); /* tidy stack (remove registry) */ + assert(lua_gettop(L) == begin); + +#if defined(SWIG_LUA_SQUASH_BASES) && (SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_LUA) + /* Now merge all symbols from .fn, .set, .get etc from bases to our tables */ + SWIG_Lua_class_squash_bases(L,clss); +#endif + SWIG_Lua_get_class_metatable(L,clss->fqname); + SWIG_Lua_add_class_instance_details(L,clss); /* recursive adding of details (atts & ops) */ + lua_pop(L,1); /* tidy stack (remove class metatable) */ + assert( lua_gettop(L) == begin ); +} + +SWIGINTERN void SWIG_Lua_class_register(lua_State *L,swig_lua_class *clss) +{ + int SWIGUNUSED begin; + assert(lua_istable(L,-1)); /* This is a table (module or namespace) where classes will be added */ + SWIG_Lua_class_register_instance(L,clss); + SWIG_Lua_class_register_static(L,clss); + + /* Add links from static part to instance part and vice versa */ + /* [SWIG registry] [Module] + * "MyClass" ----> [MyClass metatable] <===== "MyClass" -+> [static part] + * ".get" ----> ... | | getmetatable()----| + * ".set" ----> ... | | | + * ".static" --------------)----------------/ [static part metatable] + * | ".get" --> ... + * | ".set" --> .... + * |=============================== ".instance" + */ + begin = lua_gettop(L); + lua_pushstring(L,clss->cls_static->name); + lua_rawget(L,-2); /* get class static table */ + assert(lua_istable(L,-1)); + lua_getmetatable(L,-1); + assert(lua_istable(L,-1)); /* get class static metatable */ + lua_pushstring(L,".instance"); /* prepare key */ + + SWIG_Lua_get_class_metatable(L,clss->fqname); /* get class metatable */ + assert(lua_istable(L,-1)); + lua_pushstring(L,".static"); /* prepare key */ + lua_pushvalue(L, -4); /* push static class TABLE */ + assert(lua_istable(L,-1)); + lua_rawset(L,-3); /* assign static class table(!NOT metatable) as ".static" member of class metatable */ + lua_rawset(L,-3); /* assign class metatable as ".instance" member of class static METATABLE */ + lua_pop(L,2); + assert(lua_gettop(L) == begin); +} +#endif /* SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_LUA */ + +#if (SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_ELUA) || (SWIG_LUA_TARGET == SWIG_LUA_FLAVOR_ELUAC) +SWIGINTERN void SWIG_Lua_elua_class_register_instance(lua_State *L, swig_lua_class *clss) +{ + const int SWIGUNUSED begin = lua_gettop(L); + int i; + /* if name already there (class is already registered) then do nothing */ + SWIG_Lua_get_class_registry(L); /* get the registry */ + lua_pushstring(L,clss->fqname); /* get the name */ + lua_rawget(L,-2); + if(!lua_isnil(L,-1)) { + lua_pop(L,2); + assert(lua_gettop(L)==begin); + return; + } + lua_pop(L,2); /* tidy stack */ + /* Recursively initialize all bases */ + for(i=0;clss->bases[i];i++) + { + SWIG_Lua_elua_class_register_instance(L,clss->bases[i]); + } + /* Again, get registry and push name */ + SWIG_Lua_get_class_registry(L); /* get the registry */ + lua_pushstring(L,clss->fqname); /* get the name */ + assert(clss->metatable); + lua_pushrotable(L, (void*)(clss->metatable)); /* create the metatable */ + lua_rawset(L,-3); + lua_pop(L,1); + assert(lua_gettop(L) == begin); +} +#endif /* elua && eluac */ + +/* ----------------------------------------------------------------------------- + * Class/structure conversion fns + * ----------------------------------------------------------------------------- */ + +/* helper to add metatable to new lua object */ +SWIGINTERN void SWIG_Lua_AddMetatable(lua_State *L,swig_type_info *type) +{ + if (type->clientdata) /* there is clientdata: so add the metatable */ + { + SWIG_Lua_get_class_metatable(L,((swig_lua_class*)(type->clientdata))->fqname); + if (lua_istable(L,-1)) + { + lua_setmetatable(L,-2); + } + else + { + lua_pop(L,1); + } + } +} + +/* pushes a new object into the lua stack */ +SWIGRUNTIME void SWIG_Lua_NewPointerObj(lua_State *L,void *ptr,swig_type_info *type, int own) +{ + swig_lua_userdata *usr; + if (!ptr){ + lua_pushnil(L); + return; + } + usr=(swig_lua_userdata*)lua_newuserdata(L,sizeof(swig_lua_userdata)); /* get data */ + usr->ptr=ptr; /* set the ptr */ + usr->type=type; + usr->own=own; +#if (SWIG_LUA_TARGET != SWIG_LUA_FLAVOR_ELUAC) + SWIG_Lua_AddMetatable(L,type); /* add metatable */ +#endif +} + +/* takes a object from the lua stack & converts it into an object of the correct type + (if possible) */ +SWIGRUNTIME int SWIG_Lua_ConvertPtr(lua_State *L,int index,void **ptr,swig_type_info *type,int flags) +{ + swig_lua_userdata *usr; + swig_cast_info *cast; + /* special case: lua nil => NULL pointer */ + if (lua_isnil(L,index)) + { + *ptr=0; + return (flags & SWIG_POINTER_NO_NULL) ? SWIG_NullReferenceError : SWIG_OK; + } + usr=(swig_lua_userdata*)lua_touserdata(L,index); /* get data */ + if (usr) + { + if (flags & SWIG_POINTER_DISOWN) /* must disown the object */ + { + usr->own=0; + } + if (!type) /* special cast void*, no casting fn */ + { + *ptr=usr->ptr; + return SWIG_OK; /* ok */ + } + cast=SWIG_TypeCheckStruct(usr->type,type); /* performs normal type checking */ + if (cast) + { + int newmemory = 0; + *ptr=SWIG_TypeCast(cast,usr->ptr,&newmemory); + assert(!newmemory); /* newmemory handling not yet implemented */ + return SWIG_OK; /* ok */ + } + } + return SWIG_ERROR; /* error */ +} + +SWIGRUNTIME void* SWIG_Lua_MustGetPtr(lua_State *L,int index,swig_type_info *type,int flags, + int argnum,const char *func_name){ + void *result; + if (!SWIG_IsOK(SWIG_ConvertPtr(L,index,&result,type,flags))){ + luaL_error (L,"Error in %s, expected a %s at argument number %d\n", + func_name,(type && type->str)?type->str:"void*",argnum); + } + return result; +} + +/* pushes a packed userdata. user for member fn pointers only */ +SWIGRUNTIME void SWIG_Lua_NewPackedObj(lua_State *L,void *ptr,size_t size,swig_type_info *type) +{ + swig_lua_rawdata *raw; + assert(ptr); /* not acceptable to pass in a NULL value */ + raw=(swig_lua_rawdata*)lua_newuserdata(L,sizeof(swig_lua_rawdata)-1+size); /* alloc data */ + raw->type=type; + raw->own=0; + memcpy(raw->data,ptr,size); /* copy the data */ + SWIG_Lua_AddMetatable(L,type); /* add metatable */ +} + +/* converts a packed userdata. user for member fn pointers only */ +SWIGRUNTIME int SWIG_Lua_ConvertPacked(lua_State *L,int index,void *ptr,size_t size,swig_type_info *type) +{ + swig_lua_rawdata *raw; + raw=(swig_lua_rawdata*)lua_touserdata(L,index); /* get data */ + if (!raw) return SWIG_ERROR; /* error */ + if (type==0 || type==raw->type) /* void* or identical type */ + { + memcpy(ptr,raw->data,size); /* copy it */ + return SWIG_OK; /* ok */ + } + return SWIG_ERROR; /* error */ +} + +/* a function to get the typestring of a piece of data */ +SWIGRUNTIME const char *SWIG_Lua_typename(lua_State *L, int tp) +{ + swig_lua_userdata *usr; + if (lua_isuserdata(L,tp)) + { + usr=(swig_lua_userdata*)lua_touserdata(L,tp); /* get data */ + if (usr && usr->type && usr->type->str) + return usr->type->str; + return "userdata (unknown type)"; + } + return lua_typename(L,lua_type(L,tp)); +} + +/* lua callable function to get the userdata's type */ +SWIGRUNTIME int SWIG_Lua_type(lua_State *L) +{ + lua_pushstring(L,SWIG_Lua_typename(L,1)); + return 1; +} + +/* ----------------------------------------------------------------------------- + * global variable support code: class/struct typemap functions + * ----------------------------------------------------------------------------- */ + +#if ((SWIG_LUA_TARGET != SWIG_LUA_FLAVOR_ELUA) && (SWIG_LUA_TARGET != SWIG_LUA_FLAVOR_ELUAC)) +/* Install Constants */ +SWIGINTERN void +SWIG_Lua_InstallConstants(lua_State *L, swig_lua_const_info constants[]) { + int i; + for (i = 0; constants[i].type; i++) { + switch(constants[i].type) { + case SWIG_LUA_INT: + lua_pushstring(L,constants[i].name); + lua_pushinteger(L,(lua_Integer)constants[i].lvalue); + lua_rawset(L,-3); + break; + case SWIG_LUA_FLOAT: + lua_pushstring(L,constants[i].name); + lua_pushnumber(L,(lua_Number)constants[i].dvalue); + lua_rawset(L,-3); + break; + case SWIG_LUA_CHAR: + lua_pushstring(L,constants[i].name); + { + char c = (char)constants[i].lvalue; + lua_pushlstring(L,&c,1); + } + lua_rawset(L,-3); + break; + case SWIG_LUA_STRING: + lua_pushstring(L,constants[i].name); + lua_pushstring(L,(char *) constants[i].pvalue); + lua_rawset(L,-3); + break; + case SWIG_LUA_POINTER: + lua_pushstring(L,constants[i].name); + SWIG_NewPointerObj(L,constants[i].pvalue, *(constants[i]).ptype,0); + lua_rawset(L,-3); + break; + case SWIG_LUA_BINARY: + lua_pushstring(L,constants[i].name); + SWIG_NewMemberObj(L,constants[i].pvalue,constants[i].lvalue,*(constants[i]).ptype); + lua_rawset(L,-3); + break; + default: + break; + } + } +} +#endif + +/* ----------------------------------------------------------------------------- + * executing lua code from within the wrapper + * ----------------------------------------------------------------------------- */ + +#ifndef SWIG_DOSTRING_FAIL /* Allows redefining of error function */ +#define SWIG_DOSTRING_FAIL(S) fprintf(stderr,"%s\n",S) +#endif +/* Executes a C string in Lua which is a really simple way of calling lua from C +Unfortunately lua keeps changing its APIs, so we need a conditional compile +In lua 5.0.X it's lua_dostring() +In lua 5.1.X it's luaL_dostring() +*/ +SWIGINTERN int +SWIG_Lua_dostring(lua_State *L, const char *str) { + int ok,top; + if (str==0 || str[0]==0) return 0; /* nothing to do */ + top=lua_gettop(L); /* save stack */ +#if (defined(LUA_VERSION_NUM) && (LUA_VERSION_NUM>=501)) + ok=luaL_dostring(L,str); /* looks like this is lua 5.1.X or later, good */ +#else + ok=lua_dostring(L,str); /* might be lua 5.0.x, using lua_dostring */ +#endif + if (ok!=0) { + SWIG_DOSTRING_FAIL(lua_tostring(L,-1)); + } + lua_settop(L,top); /* restore the stack */ + return ok; +} + +#ifdef __cplusplus +} +#endif + +/* ------------------------------ end luarun.swg ------------------------------ */ |