summaryrefslogtreecommitdiffstats
path: root/tolua++-1.0.93/src/lib/tolua_map.c
diff options
context:
space:
mode:
Diffstat (limited to 'tolua++-1.0.93/src/lib/tolua_map.c')
-rw-r--r--tolua++-1.0.93/src/lib/tolua_map.c704
1 files changed, 0 insertions, 704 deletions
diff --git a/tolua++-1.0.93/src/lib/tolua_map.c b/tolua++-1.0.93/src/lib/tolua_map.c
deleted file mode 100644
index d00e7069b..000000000
--- a/tolua++-1.0.93/src/lib/tolua_map.c
+++ /dev/null
@@ -1,704 +0,0 @@
-/* tolua: functions to map features
-** Support code for Lua bindings.
-** Written by Waldemar Celes
-** TeCGraf/PUC-Rio
-** Apr 2003
-** $Id: $
-*/
-
-/* This code is free software; you can redistribute it and/or modify it.
-** The software provided hereunder is on an "as is" basis, and
-** the author has no obligation to provide maintenance, support, updates,
-** enhancements, or modifications.
-*/
-
-#include "tolua++.h"
-#include "tolua_event.h"
-#include "lauxlib.h"
-
-#include <string.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-
-
-/* Create metatable
- * Create and register new metatable
-*/
-static int tolua_newmetatable (lua_State* L, char* name)
-{
- int r = luaL_newmetatable(L,name);
-
- #ifdef LUA_VERSION_NUM /* only lua 5.1 */
- if (r) {
- lua_pushvalue(L, -1);
- lua_pushstring(L, name);
- lua_settable(L, LUA_REGISTRYINDEX); /* reg[mt] = type_name */
- };
- #endif
-
- if (r)
- tolua_classevents(L); /* set meta events */
- lua_pop(L,1);
- return r;
-}
-
-/* Map super classes
- * It sets 'name' as being also a 'base', mapping all super classes of 'base' in 'name'
-*/
-static void mapsuper (lua_State* L, const char* name, const char* base)
-{
- /* push registry.super */
- lua_pushstring(L,"tolua_super");
- lua_rawget(L,LUA_REGISTRYINDEX); /* stack: super */
- luaL_getmetatable(L,name); /* stack: super mt */
- lua_rawget(L,-2); /* stack: super table */
- if (lua_isnil(L,-1))
- {
- /* create table */
- lua_pop(L,1);
- lua_newtable(L); /* stack: super table */
- luaL_getmetatable(L,name); /* stack: super table mt */
- lua_pushvalue(L,-2); /* stack: super table mt table */
- lua_rawset(L,-4); /* stack: super table */
- }
-
- /* set base as super class */
- lua_pushstring(L,base);
- lua_pushboolean(L,1);
- lua_rawset(L,-3); /* stack: super table */
-
- /* set all super class of base as super class of name */
- luaL_getmetatable(L,base); /* stack: super table base_mt */
- lua_rawget(L,-3); /* stack: super table base_table */
- if (lua_istable(L,-1))
- {
- /* traverse base table */
- lua_pushnil(L); /* first key */
- while (lua_next(L,-2) != 0)
- {
- /* stack: ... base_table key value */
- lua_pushvalue(L,-2); /* stack: ... base_table key value key */
- lua_insert(L,-2); /* stack: ... base_table key key value */
- lua_rawset(L,-5); /* stack: ... base_table key */
- }
- }
- lua_pop(L,3); /* stack: <empty> */
-}
-
-/* creates a 'tolua_ubox' table for base clases, and
-// expects the metatable and base metatable on the stack */
-static void set_ubox(lua_State* L) {
-
- /* mt basemt */
- if (!lua_isnil(L, -1)) {
- lua_pushstring(L, "tolua_ubox");
- lua_rawget(L,-2);
- } else {
- lua_pushnil(L);
- };
- /* mt basemt base_ubox */
- if (!lua_isnil(L,-1)) {
- lua_pushstring(L, "tolua_ubox");
- lua_insert(L, -2);
- /* mt basemt key ubox */
- lua_rawset(L,-4);
- /* (mt with ubox) basemt */
- } else {
- /* mt basemt nil */
- lua_pop(L, 1);
- lua_pushstring(L,"tolua_ubox"); lua_newtable(L);
- /* make weak value metatable for ubox table to allow userdata to be
- garbage-collected */
- lua_newtable(L); lua_pushliteral(L, "__mode"); lua_pushliteral(L, "v"); lua_rawset(L, -3); /* stack: string ubox mt */
- lua_setmetatable(L, -2); /* stack:mt basemt string ubox */
- lua_rawset(L,-4);
- };
-
-};
-
-/* Map inheritance
- * It sets 'name' as derived from 'base' by setting 'base' as metatable of 'name'
-*/
-static void mapinheritance (lua_State* L, const char* name, const char* base)
-{
- /* set metatable inheritance */
- luaL_getmetatable(L,name);
-
- if (base && *base)
- luaL_getmetatable(L,base);
- else {
-
- if (lua_getmetatable(L, -1)) { /* already has a mt, we don't overwrite it */
- lua_pop(L, 2);
- return;
- };
- luaL_getmetatable(L,"tolua_commonclass");
- };
-
- set_ubox(L);
-
- lua_setmetatable(L,-2);
- lua_pop(L,1);
-}
-
-/* Object type
-*/
-static int tolua_bnd_type (lua_State* L)
-{
- tolua_typename(L,lua_gettop(L));
- return 1;
-}
-
-/* Take ownership
-*/
-static int tolua_bnd_takeownership (lua_State* L)
-{
- int success = 0;
- if (lua_isuserdata(L,1))
- {
- if (lua_getmetatable(L,1)) /* if metatable? */
- {
- lua_pop(L,1); /* clear metatable off stack */
- /* force garbage collection to avoid C to reuse a to-be-collected address */
- #ifdef LUA_VERSION_NUM
- lua_gc(L, LUA_GCCOLLECT, 0);
- #else
- lua_setgcthreshold(L,0);
- #endif
-
- success = tolua_register_gc(L,1);
- }
- }
- lua_pushboolean(L,success!=0);
- return 1;
-}
-
-/* Release ownership
-*/
-static int tolua_bnd_releaseownership (lua_State* L)
-{
- int done = 0;
- if (lua_isuserdata(L,1))
- {
- void* u = *((void**)lua_touserdata(L,1));
- /* force garbage collection to avoid releasing a to-be-collected address */
- #ifdef LUA_VERSION_NUM
- lua_gc(L, LUA_GCCOLLECT, 0);
- #else
- lua_setgcthreshold(L,0);
- #endif
- lua_pushstring(L,"tolua_gc");
- lua_rawget(L,LUA_REGISTRYINDEX);
- lua_pushlightuserdata(L,u);
- lua_rawget(L,-2);
- lua_getmetatable(L,1);
- if (lua_rawequal(L,-1,-2)) /* check that we are releasing the correct type */
- {
- lua_pushlightuserdata(L,u);
- lua_pushnil(L);
- lua_rawset(L,-5);
- done = 1;
- }
- }
- lua_pushboolean(L,done!=0);
- return 1;
-}
-
-/* Type casting
-*/
-static int tolua_bnd_cast (lua_State* L)
-{
-
-/* // old code
- void* v = tolua_tousertype(L,1,NULL);
- const char* s = tolua_tostring(L,2,NULL);
- if (v && s)
- tolua_pushusertype(L,v,s);
- else
- lua_pushnil(L);
- return 1;
-*/
-
- void* v;
- const char* s;
- if (lua_islightuserdata(L, 1)) {
- v = tolua_touserdata(L, 1, NULL);
- } else {
- v = tolua_tousertype(L, 1, 0);
- };
-
- s = tolua_tostring(L,2,NULL);
- if (v && s)
- tolua_pushusertype(L,v,s);
- else
- lua_pushnil(L);
- return 1;
-}
-
-/* Inheritance
-*/
-static int tolua_bnd_inherit (lua_State* L) {
-
- /* stack: lua object, c object */
- lua_pushstring(L, ".c_instance");
- lua_pushvalue(L, -2);
- lua_rawset(L, -4);
- /* l_obj[".c_instance"] = c_obj */
-
- return 0;
-};
-
-#ifdef LUA_VERSION_NUM /* lua 5.1 */
-static int tolua_bnd_setpeer(lua_State* L) {
-
- /* stack: userdata, table */
- if (!lua_isuserdata(L, -2)) {
- lua_pushstring(L, "Invalid argument #1 to setpeer: userdata expected.");
- lua_error(L);
- };
-
- if (lua_isnil(L, -1)) {
-
- lua_pop(L, 1);
- lua_pushvalue(L, TOLUA_NOPEER);
- };
- lua_setfenv(L, -2);
-
- return 0;
-};
-
-static int tolua_bnd_getpeer(lua_State* L) {
-
- /* stack: userdata */
- lua_getfenv(L, -1);
- if (lua_rawequal(L, -1, TOLUA_NOPEER)) {
- lua_pop(L, 1);
- lua_pushnil(L);
- };
- return 1;
-};
-#endif
-
-/* static int class_gc_event (lua_State* L); */
-
-TOLUA_API void tolua_open (lua_State* L)
-{
- int top = lua_gettop(L);
- lua_pushstring(L,"tolua_opened");
- lua_rawget(L,LUA_REGISTRYINDEX);
- if (!lua_isboolean(L,-1))
- {
- lua_pushstring(L,"tolua_opened"); lua_pushboolean(L,1); lua_rawset(L,LUA_REGISTRYINDEX);
-
- #ifndef LUA_VERSION_NUM /* only prior to lua 5.1 */
- /* create peer object table */
- lua_pushstring(L, "tolua_peers"); lua_newtable(L);
- /* make weak key metatable for peers indexed by userdata object */
- lua_newtable(L); lua_pushliteral(L, "__mode"); lua_pushliteral(L, "k"); lua_rawset(L, -3); /* stack: string peers mt */
- lua_setmetatable(L, -2); /* stack: string peers */
- lua_rawset(L,LUA_REGISTRYINDEX);
- #endif
-
- /* create object ptr -> udata mapping table */
- lua_pushstring(L,"tolua_ubox"); lua_newtable(L);
- /* make weak value metatable for ubox table to allow userdata to be
- garbage-collected */
- lua_newtable(L); lua_pushliteral(L, "__mode"); lua_pushliteral(L, "v"); lua_rawset(L, -3); /* stack: string ubox mt */
- lua_setmetatable(L, -2); /* stack: string ubox */
- lua_rawset(L,LUA_REGISTRYINDEX);
-
- lua_pushstring(L,"tolua_super"); lua_newtable(L); lua_rawset(L,LUA_REGISTRYINDEX);
- lua_pushstring(L,"tolua_gc"); lua_newtable(L);lua_rawset(L,LUA_REGISTRYINDEX);
-
- /* create gc_event closure */
- lua_pushstring(L, "tolua_gc_event");
- lua_pushstring(L, "tolua_gc");
- lua_rawget(L, LUA_REGISTRYINDEX);
- lua_pushstring(L, "tolua_super");
- lua_rawget(L, LUA_REGISTRYINDEX);
- lua_pushcclosure(L, class_gc_event, 2);
- lua_rawset(L, LUA_REGISTRYINDEX);
-
- tolua_newmetatable(L,"tolua_commonclass");
-
- tolua_module(L,NULL,0);
- tolua_beginmodule(L,NULL);
- tolua_module(L,"tolua",0);
- tolua_beginmodule(L,"tolua");
- tolua_function(L,"type",tolua_bnd_type);
- tolua_function(L,"takeownership",tolua_bnd_takeownership);
- tolua_function(L,"releaseownership",tolua_bnd_releaseownership);
- tolua_function(L,"cast",tolua_bnd_cast);
- tolua_function(L,"inherit", tolua_bnd_inherit);
- #ifdef LUA_VERSION_NUM /* lua 5.1 */
- tolua_function(L, "setpeer", tolua_bnd_setpeer);
- tolua_function(L, "getpeer", tolua_bnd_getpeer);
- #endif
-
- tolua_endmodule(L);
- tolua_endmodule(L);
- }
- lua_settop(L,top);
-}
-
-/* Copy a C object
-*/
-TOLUA_API void* tolua_copy (lua_State* L, void* value, unsigned int size)
-{
- void* clone = (void*)malloc(size);
- if (clone)
- memcpy(clone,value,size);
- else
- tolua_error(L,"insuficient memory",NULL);
- return clone;
-}
-
-/* Default collect function
-*/
-TOLUA_API int tolua_default_collect (lua_State* tolua_S)
-{
- void* self = tolua_tousertype(tolua_S,1,0);
- free(self);
- return 0;
-}
-
-/* Do clone
-*/
-TOLUA_API int tolua_register_gc (lua_State* L, int lo)
-{
- int success = 1;
- void *value = *(void **)lua_touserdata(L,lo);
- lua_pushstring(L,"tolua_gc");
- lua_rawget(L,LUA_REGISTRYINDEX);
- lua_pushlightuserdata(L,value);
- lua_rawget(L,-2);
- if (!lua_isnil(L,-1)) /* make sure that object is not already owned */
- success = 0;
- else
- {
- lua_pushlightuserdata(L,value);
- lua_getmetatable(L,lo);
- lua_rawset(L,-4);
- }
- lua_pop(L,2);
- return success;
-}
-
-/* Register a usertype
- * It creates the correspoding metatable in the registry, for both 'type' and 'const type'.
- * It maps 'const type' as being also a 'type'
-*/
-TOLUA_API void tolua_usertype (lua_State* L, const char* type)
-{
- char ctype[128] = "const ";
- strncat(ctype,type,120);
-
- /* create both metatables */
- if (tolua_newmetatable(L,ctype) && tolua_newmetatable(L,type))
- mapsuper(L,type,ctype); /* 'type' is also a 'const type' */
-}
-
-
-/* Begin module
- * It pushes the module (or class) table on the stack
-*/
-TOLUA_API void tolua_beginmodule (lua_State* L, const char* name)
-{
- if (name)
- {
- lua_pushstring(L,name);
- lua_rawget(L,-2);
- }
- else
- lua_pushvalue(L,LUA_GLOBALSINDEX);
-}
-
-/* End module
- * It pops the module (or class) from the stack
-*/
-TOLUA_API void tolua_endmodule (lua_State* L)
-{
- lua_pop(L,1);
-}
-
-/* Map module
- * It creates a new module
-*/
-#if 1
-TOLUA_API void tolua_module (lua_State* L, const char* name, int hasvar)
-{
- if (name)
- {
- /* tolua module */
- lua_pushstring(L,name);
- lua_rawget(L,-2);
- if (!lua_istable(L,-1)) /* check if module already exists */
- {
- lua_pop(L,1);
- lua_newtable(L);
- lua_pushstring(L,name);
- lua_pushvalue(L,-2);
- lua_rawset(L,-4); /* assing module into module */
- }
- }
- else
- {
- /* global table */
- lua_pushvalue(L,LUA_GLOBALSINDEX);
- }
- if (hasvar)
- {
- if (!tolua_ismodulemetatable(L)) /* check if it already has a module metatable */
- {
- /* create metatable to get/set C/C++ variable */
- lua_newtable(L);
- tolua_moduleevents(L);
- if (lua_getmetatable(L,-2))
- lua_setmetatable(L,-2); /* set old metatable as metatable of metatable */
- lua_setmetatable(L,-2);
- }
- }
- lua_pop(L,1); /* pop module */
-}
-#else
-TOLUA_API void tolua_module (lua_State* L, const char* name, int hasvar)
-{
- if (name)
- {
- /* tolua module */
- lua_pushstring(L,name);
- lua_newtable(L);
- }
- else
- {
- /* global table */
- lua_pushvalue(L,LUA_GLOBALSINDEX);
- }
- if (hasvar)
- {
- /* create metatable to get/set C/C++ variable */
- lua_newtable(L);
- tolua_moduleevents(L);
- if (lua_getmetatable(L,-2))
- lua_setmetatable(L,-2); /* set old metatable as metatable of metatable */
- lua_setmetatable(L,-2);
- }
- if (name)
- lua_rawset(L,-3); /* assing module into module */
- else
- lua_pop(L,1); /* pop global table */
-}
-#endif
-
-static void push_collector(lua_State* L, const char* type, lua_CFunction col) {
-
- /* push collector function, but only if it's not NULL, or if there's no
- collector already */
- if (!col) return;
- luaL_getmetatable(L,type);
- lua_pushstring(L,".collector");
- /*
- if (!col) {
- lua_pushvalue(L, -1);
- lua_rawget(L, -3);
- if (!lua_isnil(L, -1)) {
- lua_pop(L, 3);
- return;
- };
- lua_pop(L, 1);
- };
- // */
- lua_pushcfunction(L,col);
-
- lua_rawset(L,-3);
- lua_pop(L, 1);
-};
-
-/* Map C class
- * It maps a C class, setting the appropriate inheritance and super classes.
-*/
-TOLUA_API void tolua_cclass (lua_State* L, const char* lname, const char* name, const char* base, lua_CFunction col)
-{
- char cname[128] = "const ";
- char cbase[128] = "const ";
- strncat(cname,name,120);
- strncat(cbase,base,120);
-
- mapinheritance(L,name,base);
- mapinheritance(L,cname,name);
-
- mapsuper(L,cname,cbase);
- mapsuper(L,name,base);
-
- lua_pushstring(L,lname);
-
- push_collector(L, name, col);
- /*
- luaL_getmetatable(L,name);
- lua_pushstring(L,".collector");
- lua_pushcfunction(L,col);
-
- lua_rawset(L,-3);
- */
-
- luaL_getmetatable(L,name);
- lua_rawset(L,-3); /* assign class metatable to module */
-
- /* now we also need to store the collector table for the const
- instances of the class */
- push_collector(L, cname, col);
- /*
- luaL_getmetatable(L,cname);
- lua_pushstring(L,".collector");
- lua_pushcfunction(L,col);
- lua_rawset(L,-3);
- lua_pop(L,1);
- */
-
-
-}
-
-/* Add base
- * It adds additional base classes to a class (for multiple inheritance)
- * (not for now)
-TOLUA_API void tolua_addbase(lua_State* L, char* name, char* base) {
-
- char cname[128] = "const ";
- char cbase[128] = "const ";
- strncat(cname,name,120);
- strncat(cbase,base,120);
-
- mapsuper(L,cname,cbase);
- mapsuper(L,name,base);
-};
-*/
-
-/* Map function
- * It assigns a function into the current module (or class)
-*/
-TOLUA_API void tolua_function (lua_State* L, const char* name, lua_CFunction func)
-{
- lua_pushstring(L,name);
- lua_pushcfunction(L,func);
- lua_rawset(L,-3);
-}
-
-/* sets the __call event for the class (expects the class' main table on top) */
-/* never really worked :(
-TOLUA_API void tolua_set_call_event(lua_State* L, lua_CFunction func, char* type) {
-
- lua_getmetatable(L, -1);
- //luaL_getmetatable(L, type);
- lua_pushstring(L,"__call");
- lua_pushcfunction(L,func);
- lua_rawset(L,-3);
- lua_pop(L, 1);
-};
-*/
-
-/* Map constant number
- * It assigns a constant number into the current module (or class)
-*/
-TOLUA_API void tolua_constant (lua_State* L, const char* name, lua_Number value)
-{
- lua_pushstring(L,name);
- tolua_pushnumber(L,value);
- lua_rawset(L,-3);
-}
-
-
-/* Map variable
- * It assigns a variable into the current module (or class)
-*/
-TOLUA_API void tolua_variable (lua_State* L, const char* name, lua_CFunction get, lua_CFunction set)
-{
- /* get func */
- lua_pushstring(L,".get");
- lua_rawget(L,-2);
- if (!lua_istable(L,-1))
- {
- /* create .get table, leaving it at the top */
- lua_pop(L,1);
- lua_newtable(L);
- lua_pushstring(L,".get");
- lua_pushvalue(L,-2);
- lua_rawset(L,-4);
- }
- lua_pushstring(L,name);
- lua_pushcfunction(L,get);
- lua_rawset(L,-3); /* store variable */
- lua_pop(L,1); /* pop .get table */
-
- /* set func */
- if (set)
- {
- lua_pushstring(L,".set");
- lua_rawget(L,-2);
- if (!lua_istable(L,-1))
- {
- /* create .set table, leaving it at the top */
- lua_pop(L,1);
- lua_newtable(L);
- lua_pushstring(L,".set");
- lua_pushvalue(L,-2);
- lua_rawset(L,-4);
- }
- lua_pushstring(L,name);
- lua_pushcfunction(L,set);
- lua_rawset(L,-3); /* store variable */
- lua_pop(L,1); /* pop .set table */
- }
-}
-
-/* Access const array
- * It reports an error when trying to write into a const array
-*/
-static int const_array (lua_State* L)
-{
- luaL_error(L,"value of const array cannot be changed");
- return 0;
-}
-
-/* Map an array
- * It assigns an array into the current module (or class)
-*/
-TOLUA_API void tolua_array (lua_State* L, const char* name, lua_CFunction get, lua_CFunction set)
-{
- lua_pushstring(L,".get");
- lua_rawget(L,-2);
- if (!lua_istable(L,-1))
- {
- /* create .get table, leaving it at the top */
- lua_pop(L,1);
- lua_newtable(L);
- lua_pushstring(L,".get");
- lua_pushvalue(L,-2);
- lua_rawset(L,-4);
- }
- lua_pushstring(L,name);
-
- lua_newtable(L); /* create array metatable */
- lua_pushvalue(L,-1);
- lua_setmetatable(L,-2); /* set the own table as metatable (for modules) */
- lua_pushstring(L,"__index");
- lua_pushcfunction(L,get);
- lua_rawset(L,-3);
- lua_pushstring(L,"__newindex");
- lua_pushcfunction(L,set?set:const_array);
- lua_rawset(L,-3);
-
- lua_rawset(L,-3); /* store variable */
- lua_pop(L,1); /* pop .get table */
-}
-
-
-TOLUA_API void tolua_dobuffer(lua_State* L, char* B, unsigned int size, const char* name) {
-
- #ifdef LUA_VERSION_NUM /* lua 5.1 */
- luaL_loadbuffer(L, B, size, name) || lua_pcall(L, 0, 0, 0);
- #else
- lua_dobuffer(L, B, size, name);
- #endif
-};
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 17:13:07 +0100