[217] | 1 | // Copyright (C) 2012-2013 ChaosForge / Kornel Kisielewicz
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| 2 | // http://chaosforge.org/
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| 3 | //
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| 4 | // This file is part of NV Libraries.
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| 5 | // For conditions of distribution and use, see copyright notice in nv.hh
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| 6 |
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| 7 | #include "nv/lua/lua_nova.hh"
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| 8 |
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| 9 | #include "nv/lua/lua_raw.hh"
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| 10 |
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| 11 | const char* NV_STATE = "NV_STATE";
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| 12 | const char* NV_BLUEPRINTS = "NV_BLUEPRINTS";
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| 13 |
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| 14 | // static nv::lua::state* nova_get_state( lua_State * L )
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| 15 | // {
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| 16 | // int stack = lua_gettop( L );
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| 17 | // nv::lua::state* result = nullptr;
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| 18 | // lua_getfield( L, LUA_REGISTRYINDEX, NV_STATE );
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| 19 | // result = static_cast< nv::lua::state* >( lua_touserdata( L, -1 ) );
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| 20 | // lua_settop( L, stack );
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| 21 | // return result;
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| 22 | // }
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| 23 |
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| 24 | // BLUEPRINTS
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| 25 |
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| 26 | static bool nova_blueprint_exists( lua_State * L, int index )
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| 27 | {
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| 28 | lua_getfield( L, LUA_REGISTRYINDEX, NV_BLUEPRINTS );
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| 29 | lua_pushvalue( L, index );
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| 30 | lua_rawget( L, -2 );
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| 31 | bool result = lua_istable( L, -1 );
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| 32 | lua_pop( L, 2 );
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| 33 | return result;
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| 34 | }
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| 35 |
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| 36 | // static void nova_blueprint_push( lua_State * L, int index )
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| 37 | // {
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| 38 | // lua_getfield( L, LUA_REGISTRYINDEX, NV_BLUEPRINTS );
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| 39 | // lua_pushvalue( L, index );
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| 40 | // lua_rawget( L, -2 );
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| 41 | // if ( !lua_istable( L, -1 ) )
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| 42 | // {
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| 43 | // luaL_error( L, "lua.nova - blueprint \"%s\" doesn't exist!", lua_tolstring( L, index, 0 ) );
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| 44 | // }
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| 45 | // lua_replace( L, -2 );
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| 46 | // lua_pop( L, 1 );
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| 47 | // }
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| 48 |
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| 49 | static int nova_apply_blueprint( lua_State * L ); // forward
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| 50 |
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| 51 | // returns true if value modified
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| 52 | static bool nova_check_type_raw( lua_State * L, int iid, int ifield, int ivalue, int itype )
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| 53 | {
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| 54 | iid = lua_absindex( L, iid );
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| 55 | ifield = lua_absindex( L, ifield );
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| 56 | ivalue = lua_absindex( L, ivalue );
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| 57 | itype = lua_absindex( L, itype );
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| 58 |
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| 59 | switch ( lua_type( L, itype ) )
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| 60 | {
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| 61 | case LUA_TFUNCTION :
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| 62 | lua_pushvalue( L, itype ); // type function
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| 63 | lua_pushvalue( L, iid ); // identifier
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| 64 | lua_pushvalue( L, ifield ); // field name
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| 65 | lua_pushvalue( L, ivalue ); // field value
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| 66 | lua_call( L, 3, 1 );
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| 67 | if ( lua_isnoneornil( L, -1 ) )
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| 68 | {
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| 69 | lua_pop( L, 1 );
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| 70 | }
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| 71 | else
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| 72 | {
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| 73 | return true;
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| 74 | }
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| 75 | case LUA_TSTRING :
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| 76 | if ( lua_type( L, ivalue ) != LUA_TTABLE )
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| 77 | {
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| 78 | luaL_error( L, "lua.nova - \"%s.%s\" - type mismatch, table of blueprint \"%s\" expected, %s found!", lua_tolstring( L, iid, 0 ), lua_tolstring( L, ifield, 0 ), lua_tolstring( L, itype, 0 ), lua_typename( L, lua_type( L, ivalue ) ) );
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| 79 | }
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| 80 | lua_pushcfunction( L, nova_apply_blueprint );
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| 81 | lua_pushvalue( L, ivalue );
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| 82 | lua_pushvalue( L, itype );
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| 83 | lua_pushvalue( L, iid );
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| 84 | lua_pushstring( L, "." );
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| 85 | lua_pushvalue( L, ifield );
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| 86 | lua_concat( L, 3 );
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| 87 | lua_call( L, 3, 0 );
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| 88 | case LUA_TNUMBER :
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| 89 | if (lua_tointeger( L, itype ) != lua_type( L, ivalue ) && lua_tointeger( L, itype ) > 0)
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| 90 | {
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| 91 | luaL_error( L, "lua.nova - \"%s.%s\" - type mismatch, %s expected, %s found!", lua_tolstring( L, iid, 0 ), lua_tolstring( L, ifield, 0 ), lua_typename( L, lua_tointeger( L, itype ) ), lua_typename( L, lua_type( L, ivalue ) ) );
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| 92 | }
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| 93 |
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| 94 | }
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| 95 | return false;
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| 96 | }
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| 97 |
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| 98 | static void nova_apply_blueprint_values_raw( lua_State * L, int ibase, int iproto, int iset, int iid )
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| 99 | {
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| 100 | ibase = lua_absindex( L, ibase );
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| 101 | iproto = lua_absindex( L, iproto );
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| 102 | iset = lua_absindex( L, iset );
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| 103 | iid = lua_absindex( L, iid );
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| 104 |
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| 105 | lua_pushnil( L );
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| 106 | while ( lua_next( L, iproto ) != 0 )
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| 107 | {
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| 108 | // Key -2, Value -1
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| 109 | int ikey = lua_absindex( L, -2 );
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| 110 | int ivalue = lua_absindex( L, -1 );
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| 111 |
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| 112 | // Base[Key]
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| 113 | lua_pushvalue( L, ikey );
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| 114 | lua_rawget( L, ibase );
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| 115 | bool present = !lua_isnil( L, -1 );
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| 116 | lua_pop( L, 1 );
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| 117 |
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| 118 | if (lua_type( L, ivalue ) == LUA_TTABLE)
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| 119 | {
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| 120 | // Value[1]
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| 121 | lua_rawgeti( L, ivalue, 1 );
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| 122 | bool mandatory = lua_toboolean( L, -1 ) != 0;
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| 123 | bool nested = lua_type( L, -1 ) == LUA_TTABLE;
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| 124 | lua_pop( L, 1 );
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| 125 |
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| 126 | if (!present)
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| 127 | {
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| 128 | if (mandatory)
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| 129 | {
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| 130 | luaL_error( L, "lua.nova - %s has no required field \"%s\"!", lua_tolstring( L, iid, 0 ), lua_tolstring( L, -2, 0 ) );
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| 131 | }
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| 132 | else
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| 133 | {
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| 134 | lua_pushvalue( L, ikey ); // push Key
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| 135 | lua_rawgeti( L, ivalue, 3 ); // Value[3]
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| 136 | if ( lua_type( L, -1 ) == LUA_TTABLE )
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| 137 | {
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| 138 | nlua_shallowcopy( L, -1 );
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| 139 | lua_replace( L, -2 );
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| 140 | }
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| 141 | lua_rawset( L, ibase ); // Base[Key] =
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| 142 | }
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| 143 | }
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| 144 |
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| 145 | if (nested)
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| 146 | {
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| 147 | lua_rawgeti( L, ivalue, 1 ); // v[1]
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| 148 | lua_pushvalue( L, ikey ); // Key
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| 149 | lua_rawget( L, ibase ); // Base[Key]
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| 150 | lua_rawget( L, -2 ); // v[1][Base[Key]]
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| 151 | lua_replace( L, -2 ); // down to 1 stack
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| 152 | if (!lua_isnil( L, -1 ))
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| 153 | {
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| 154 | nova_apply_blueprint_values_raw( L, ibase, -1, iset, iid );
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| 155 | }
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| 156 | lua_pop( L, 1 );
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| 157 | }
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| 158 | else
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| 159 | if (present)
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| 160 | {
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| 161 | lua_rawgeti( L, ivalue, 2 ); // Value[2]
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| 162 | lua_pushvalue( L, ikey ); // Key
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| 163 | lua_rawget( L, ibase ); // Base[Key]
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| 164 | if ( nova_check_type_raw( L, iid, ikey, -1, -2 ) )
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| 165 | {
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| 166 | lua_pushvalue( L, ikey ); // Key
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| 167 | lua_insert( L, -2 );
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| 168 | lua_rawset( L, ibase );
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| 169 | }
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| 170 | lua_pop( L, 2 );
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| 171 | }
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| 172 | }
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| 173 | else
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| 174 | {
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| 175 | if (present) luaL_error( L, "lua.nova - %s - field \"%s\" cannot be redefined!", lua_tolstring( L, iid, 0 ), lua_tolstring( L, ikey, 0 ) );
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| 176 | // non-table entries get forced copied
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| 177 | lua_pushvalue( L, ikey ); // push Key
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| 178 | lua_pushvalue( L, ivalue ); // push Value
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| 179 | lua_rawset( L, ibase ); // Base[Key] =
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| 180 | }
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| 181 | lua_pushvalue( L, ikey ); // Key
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| 182 | lua_pushnil( L );
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| 183 | lua_rawset( L, iset ); // Set[Key] = nil
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| 184 | lua_pop( L, 1 );
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| 185 | }
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| 186 | }
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| 187 |
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| 188 | static int nova_apply_blueprint_values( lua_State * L )
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| 189 | {
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| 190 | luaL_checktype( L, 1, LUA_TTABLE ); // base
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| 191 | luaL_checktype( L, 2, LUA_TTABLE ); // prototype
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| 192 | luaL_checktype( L, 3, LUA_TTABLE ); // set
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| 193 | luaL_checktype( L, 4, LUA_TSTRING ); // ident
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| 194 | lua_settop( L, 4 );
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| 195 | nova_apply_blueprint_values_raw( L, 1, 2, 3, 4 );
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| 196 | return 0;
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| 197 | }
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| 198 |
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| 199 | static void nova_apply_blueprint_raw( lua_State * L, int ibase, int iproto, int iid )
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| 200 | {
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| 201 | ibase = lua_absindex( L, ibase );
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| 202 | iproto = lua_absindex( L, iproto );
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| 203 | iid = lua_absindex( L, iid );
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| 204 | nlua_tokeyset( L, ibase );
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| 205 | int iset = lua_absindex( L, -1 );
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| 206 |
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| 207 | nova_apply_blueprint_values_raw( L, ibase, iproto, iset, iid );
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| 208 |
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| 209 | lua_pushnil( L );
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| 210 | while ( lua_next( L, iset ) != 0 )
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| 211 | {
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| 212 | luaL_error( L, "lua.nova - %s has unknown field \"%s\"!", lua_tolstring( L, 3, 0 ), lua_tolstring( L, -2, 0 ) );
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| 213 | lua_pop(L, 1);
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| 214 | }
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| 215 | lua_pop(L, 1);
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| 216 | }
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| 217 |
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| 218 | static int nova_apply_blueprint( lua_State * L )
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| 219 | {
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| 220 | luaL_checktype( L, 1, LUA_TTABLE ); // base
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| 221 | if ( lua_type( L, 2 ) == LUA_TSTRING )
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| 222 | {
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| 223 | lua_getfield( L, LUA_REGISTRYINDEX, NV_BLUEPRINTS );
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| 224 | lua_pushvalue( L, 2 );
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| 225 | lua_rawget( L, -2 );
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| 226 | lua_replace( L, 2 );
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| 227 | }
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| 228 | luaL_checktype( L, 2, LUA_TTABLE ); // prototype
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| 229 | luaL_checktype( L, 3, LUA_TSTRING ); // ident
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| 230 | lua_settop( L, 3 );
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| 231 | nova_apply_blueprint_raw( L, 1, 2, 3 );
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| 232 | return 1;
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| 233 | }
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| 234 |
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| 235 | // stack[1] - table
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| 236 | // up[1] - blueprint_id
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| 237 | // up[2] - inherit_id
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| 238 | static int nova_register_blueprint_closure( lua_State * L )
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| 239 | {
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| 240 | luaL_checktype( L, 1, LUA_TTABLE );
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| 241 | lua_getfield( L, LUA_REGISTRYINDEX, NV_BLUEPRINTS );
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| 242 |
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| 243 | if ( lua_isnil( L, lua_upvalueindex(2) ) )
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| 244 | {
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| 245 | lua_pushvalue( L, lua_upvalueindex(1) );
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| 246 | lua_pushvalue( L, 1 );
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| 247 | lua_rawset( L, -3 );
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| 248 | }
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| 249 | else
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| 250 | {
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| 251 | lua_pushvalue( L, lua_upvalueindex(1) );
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| 252 | lua_pushvalue( L, lua_upvalueindex(2) );
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| 253 | lua_rawget( L, -3 );
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| 254 | nlua_shallowcopy( L, -1 );
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| 255 | lua_replace( L, -2 );
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| 256 | nlua_shallowmerge( L, 1 );
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| 257 | lua_rawset( L, -3 );
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| 258 | }
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| 259 |
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| 260 | lua_pop( L, 1 );
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| 261 | return 0;
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| 262 | }
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| 263 |
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| 264 | static int nova_register_blueprint( lua_State * L )
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| 265 | {
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| 266 | luaL_checktype( L, 1, LUA_TSTRING );
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| 267 | if ( nova_blueprint_exists( L, 1 ) )
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| 268 | {
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| 269 | luaL_error( L, "lua.nova - blueprint \"%s\" already registered!", lua_tolstring( L, 1, 0 ) );
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| 270 | }
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| 271 | if ( lua_gettop( L ) > 1 )
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| 272 | {
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| 273 | luaL_checktype( L, 2, LUA_TSTRING );
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| 274 | if ( !nova_blueprint_exists( L, 2 ) )
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| 275 | {
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| 276 | luaL_error( L, "lua.nova - blueprint \"%s\" doesn't exist!", lua_tolstring( L, 2, 0 ) );
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| 277 | }
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| 278 | }
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| 279 | else
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| 280 | {
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| 281 | lua_pushnil( L );
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| 282 | }
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| 283 | lua_pushcclosure( L, nova_register_blueprint_closure, 2 );
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| 284 | return 1;
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| 285 | }
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| 286 |
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| 287 |
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| 288 | static int nova_array_register( lua_State * L )
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| 289 | {
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| 290 | // storage.__counter++
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| 291 | lua_pushstring( L, "__counter" );
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| 292 | lua_pushvalue( L, -1 );
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| 293 | lua_rawget( L, 1 );
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| 294 | int count = 0;
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| 295 | if ( !lua_isnil( L, -1 ) ) count = lua_tointeger( L, -1 );
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| 296 | lua_pop( L, 1 );
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| 297 | count++;
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| 298 | lua_pushinteger( L, count );
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| 299 | lua_rawset( L, 1 );
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| 300 |
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| 301 | // element.nid = __counter
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| 302 | lua_pushstring( L, "nid" );
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| 303 | lua_pushinteger( L, count );
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| 304 | lua_rawset( L, 2 );
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| 305 |
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| 306 | // storage[ __counter ] = element
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| 307 | lua_pushinteger( L, count );
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| 308 | lua_pushvalue( L, 2 );
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| 309 | lua_rawset( L, 1 );
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| 310 |
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| 311 | // return nid
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| 312 | lua_pushinteger( L, count );
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| 313 | return 1;
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| 314 | }
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| 315 |
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| 316 | static int nova_register( lua_State * L )
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| 317 | {
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| 318 | nova_array_register(L);
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| 319 |
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| 320 | // element.id = element.id
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| 321 | lua_pushstring( L, "id" );
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| 322 | lua_rawget( L, 2 );
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| 323 | if ( lua_isnil( L, -1 ) )
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| 324 | luaL_error( L, "lua.nova - element without id!" );
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| 325 |
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| 326 | // storage[element.id] = element
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| 327 | lua_pushvalue( L, -1 );
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| 328 | lua_pushvalue( L, 2 );
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| 329 | lua_rawset( L, 1 );
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| 330 |
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| 331 | // core.define( element.id, element.nid )
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| 332 | //LuaSystem.FDefines[ iID ] := lua_tointeger( L, 3 );
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| 333 |
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| 334 | // return id
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| 335 | return 1;
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| 336 | }
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| 337 |
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| 338 | static int nova_declare( lua_State * L )
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| 339 | {
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| 340 | if ( lua_gettop( L ) < 1 ) return 0;
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| 341 | if ( lua_gettop( L ) == 1 ) lua_pushboolean( L, false );
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| 342 | lua_settop( L, 2 );
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| 343 | lua_pushglobaltable( L );
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| 344 | lua_insert( L, 1 );
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| 345 | lua_rawset( L, -3 );
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| 346 | return 0;
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| 347 | }
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| 348 |
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| 349 | static int nova_iif( lua_State * L )
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| 350 | {
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| 351 | lua_settop( L, lua_toboolean( L, 1 ) ? 2 : 3 );
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| 352 | return 1;
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| 353 | }
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| 354 |
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| 355 | static int nova_create_seq_function_closure( lua_State * L )
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| 356 | {
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| 357 | int fc = lua_tointeger( L, lua_upvalueindex( 1 ) );
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| 358 | int args = lua_gettop( L );
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| 359 | for ( int fi = 1; fi <= fc; fi++ )
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| 360 | {
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| 361 | lua_pushvalue( L, lua_upvalueindex( fi + 1 ) );
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| 362 | for ( int i = 1; i <= args; i++ )
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| 363 | lua_pushvalue( L, i );
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| 364 | lua_call( L, args, 0 );
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| 365 | }
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| 366 | return 0;
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| 367 | }
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| 368 |
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| 369 | static int nova_create_seq_function( lua_State * L )
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| 370 | {
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| 371 | int count = lua_gettop( L );
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| 372 | int upvalues = count;
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| 373 | for ( int i = 1; i <= count; i++ )
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| 374 | if ( lua_isnoneornil( L, i ) )
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| 375 | upvalues--;
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| 376 | else
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| 377 | luaL_checktype( L, i, LUA_TFUNCTION );
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| 378 |
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| 379 | if ( upvalues == 0 ) return 0;
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| 380 |
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| 381 | lua_pushinteger( L, upvalues );
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| 382 | for ( int i = 1; i <= count; i++ )
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| 383 | if ( !lua_isnoneornil( L, i ) )
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| 384 | lua_pushvalue( L, i );
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| 385 |
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| 386 | if ( upvalues == 1 ) return 1;
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| 387 | lua_pushcclosure( L, nova_create_seq_function_closure, upvalues + 1 );
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| 388 | return 1;
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| 389 | }
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| 390 |
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| 391 | static int nova_type_FLAGS( lua_State * L )
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| 392 | {
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| 393 | if ( lua_type( L, 3 ) != LUA_TTABLE ) luaL_error( L, "lua.nova - \"%s.%s\" - type mismatch, flags expected, %s found!", lua_tolstring( L, 1, 0 ), lua_tolstring( L, 2, 0 ), lua_typename( L, lua_type( L, 3 ) ) );
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| 394 | nlua_toset( L, 3 );
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| 395 | return 1;
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| 396 | }
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| 397 |
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| 398 | static int nova_type_BLUEPRINT( lua_State * L )
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| 399 | {
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| 400 | if ( lua_type( L, 3 ) != LUA_TSTRING ) luaL_error( L, "lua.nova - \"%s.%s\" - type mismatch, blueprint id expected, %s found!", lua_tolstring( L, 1, 0 ), lua_tolstring( L, 2, 0 ), lua_typename( L, lua_type( L, 3 ) ) );
|
---|
| 401 | if ( !nova_blueprint_exists( L, 3 ) ) luaL_error( L, "lua.nova - \"%s.%s\" - blueprint \"%s\" isn't valid!", lua_tolstring( L, 1, 0 ), lua_tolstring( L, 2, 0 ), lua_tolstring( L, 3, 0 ) );
|
---|
| 402 | return 0;
|
---|
| 403 | }
|
---|
| 404 |
|
---|
| 405 | static int nova_type_ARRAY_closure( lua_State * L )
|
---|
| 406 | {
|
---|
| 407 | if ( lua_type( L, 3 ) != LUA_TTABLE ) luaL_error( L, "lua.nova - \"%s.%s\" - type mismatch, ARRAY expected, %s found!", lua_tolstring( L, 1, 0 ), lua_tolstring( L, 2, 0 ), lua_typename( L, lua_type( L, 3 ) ) );
|
---|
| 408 | lua_settop( L, 3 );
|
---|
| 409 | lua_pushvalue( L, lua_upvalueindex(1) ); // push type index 4
|
---|
| 410 |
|
---|
| 411 | lua_pushvalue( L, 1 );
|
---|
| 412 | lua_pushstring( L, "." );
|
---|
| 413 | lua_pushvalue( L, 2 );
|
---|
| 414 | lua_concat( L, 3 ); // new ident index 5
|
---|
| 415 |
|
---|
| 416 | lua_pushnil(L);
|
---|
| 417 | while ( lua_next( L, 3 ) != 0 )
|
---|
| 418 | {
|
---|
| 419 | // key (index -2), value (index -1)
|
---|
| 420 | if ( lua_type( L, -2 ) != LUA_TNUMBER ) luaL_error( L, "lua.nova - \"%s.%s\" - type mismatch, ARRAY expected, field found!", lua_tolstring( L, 1, 0 ), lua_tolstring( L, 2, 0 ) );
|
---|
| 421 | if ( nova_check_type_raw( L, 5, -2, -1, 4 ) )
|
---|
| 422 | {
|
---|
| 423 | lua_pushvalue( L, -3 ); // Key
|
---|
| 424 | lua_insert( L, -2 );
|
---|
| 425 | lua_rawset( L, -3 ); // update Value
|
---|
| 426 | }
|
---|
| 427 | lua_pop( L, 1 );
|
---|
| 428 | }
|
---|
| 429 | return 0;
|
---|
| 430 | }
|
---|
| 431 |
|
---|
| 432 | static int nova_type_ARRAY( lua_State * L )
|
---|
| 433 | {
|
---|
| 434 | if ( lua_gettop( L ) != 1 ) luaL_error( L, "lua.nova - Misuse of nova.TARRAY type - usage is core.TARRAY( type )" );
|
---|
| 435 | lua_pushcclosure( L, nova_type_ARRAY_closure, 1 );
|
---|
| 436 | return 1;
|
---|
| 437 | }
|
---|
| 438 |
|
---|
| 439 | static int nova_type_MAP_closure( lua_State * L )
|
---|
| 440 | {
|
---|
| 441 | if ( lua_type( L, 3 ) != LUA_TTABLE ) luaL_error( L, "lua.nova - \"%s.%s\" - type mismatch, MAP expected, %s found!", lua_tolstring( L, 1, 0 ), lua_tolstring( L, 2, 0 ), lua_typename( L, lua_type( L, 3 ) ) );
|
---|
| 442 |
|
---|
| 443 | lua_settop( L, 3 );
|
---|
| 444 | lua_pushvalue( L, lua_upvalueindex(1) ); // push key type index 4
|
---|
| 445 | lua_pushvalue( L, lua_upvalueindex(2) ); // push value type index 5
|
---|
| 446 |
|
---|
| 447 | lua_pushvalue( L, 1 );
|
---|
| 448 | lua_pushstring( L, "." );
|
---|
| 449 | lua_pushvalue( L, 2 );
|
---|
| 450 | lua_concat( L, 3 ); // new ident index 6
|
---|
| 451 |
|
---|
| 452 | lua_pushnil(L);
|
---|
| 453 | while ( lua_next( L, 3 ) != 0 )
|
---|
| 454 | {
|
---|
| 455 | // key (index -2), value (index -1)
|
---|
| 456 | if ( nova_check_type_raw( L, 6, -2, -2, 4 ) ) luaL_error( L, "lua.nova - \"%s.%s\" - KEY type can't be mutable!", lua_tolstring( L, 1, 0 ), lua_tolstring( L, 2, 0 ) );
|
---|
| 457 | if ( nova_check_type_raw( L, 6, -2, -1, 5 ) )
|
---|
| 458 | {
|
---|
| 459 | lua_pushvalue( L, -3 ); // Key
|
---|
| 460 | lua_insert( L, -2 );
|
---|
| 461 | lua_rawset( L, -3 ); // update Value
|
---|
| 462 | }
|
---|
| 463 | lua_pop( L, 1 );
|
---|
| 464 | }
|
---|
| 465 | return 0;
|
---|
| 466 | }
|
---|
| 467 |
|
---|
| 468 | static int nova_type_MAP( lua_State * L )
|
---|
| 469 | {
|
---|
| 470 | if ( lua_gettop( L ) != 2 ) luaL_error( L, "lua.nova - Misuse of nova.TMAP type - usage is core.TMAP( keytype, valuetype )" );
|
---|
| 471 | lua_pushcclosure( L, nova_type_MAP_closure, 2 );
|
---|
| 472 | return 1;
|
---|
| 473 | }
|
---|
| 474 |
|
---|
| 475 | static int nova_type_ID_closure( lua_State * L )
|
---|
| 476 | {
|
---|
| 477 | if ( lua_type( L, 3 ) != LUA_TSTRING ) luaL_error( L, "lua.nova - \"%s.%s\" - type mismatch, ID expected, %s found!", lua_tolstring( L, 1, 0 ), lua_tolstring( L, 2, 0 ), lua_typename( L, lua_type( L, 3 ) ) );
|
---|
| 478 | lua_settop( L, 3 );
|
---|
| 479 | lua_pushvalue( L, lua_upvalueindex(1) ); // push type index 4
|
---|
| 480 | if ( lua_type( L, -1 ) == LUA_TSTRING )
|
---|
| 481 | {
|
---|
| 482 | lua_pushglobaltable( L );
|
---|
| 483 | lua_pushvalue( L, -2 );
|
---|
| 484 | lua_rawget( L, -2 );
|
---|
| 485 | lua_replace( L, -2 );
|
---|
| 486 | }
|
---|
| 487 | if ( lua_type( L, -1 ) != LUA_TTABLE ) luaL_error( L, "lua.nova - not a valid storage table in TID!" );
|
---|
| 488 | lua_pushvalue( L, 3 );
|
---|
| 489 | lua_rawget( L, -2 );
|
---|
| 490 | if ( lua_isnoneornil( L, -1 ) ) luaL_error( L, "lua.nova - \"%s.%s\" - valid ID expected!", lua_tolstring( L, 1, 0 ), lua_tolstring( L, 2, 0 ) );
|
---|
| 491 | return 0;
|
---|
| 492 | }
|
---|
| 493 |
|
---|
| 494 | static int nova_type_ID( lua_State * L )
|
---|
| 495 | {
|
---|
| 496 | if ( lua_gettop( L ) != 1 ) luaL_error( L, "lua.nova - Misuse of nova.TID type - usage is core.TID( storage )" );
|
---|
| 497 | lua_pushcclosure( L, nova_type_ID_closure, 1 );
|
---|
| 498 | return 1;
|
---|
| 499 | }
|
---|
| 500 |
|
---|
| 501 | static int nova_create_constructor_impl( lua_State * L )
|
---|
| 502 | {
|
---|
| 503 | luaL_checktype( L, 1, LUA_TTABLE );
|
---|
| 504 | lua_pushvalue( L, lua_upvalueindex( 1 ) ); // id
|
---|
| 505 | //ident = vlua_tostring( L, -1 );
|
---|
| 506 | //if LuaSystem.Defines.Exists( ident ) then
|
---|
| 507 | //luaL_error( L, 'Redefinition of id "%s"!', lua_tolstring( L, -1, nil ) );
|
---|
| 508 | lua_setfield( L, 1, "id" );
|
---|
| 509 | lua_getfield( L, 1, "blueprint" );
|
---|
| 510 |
|
---|
| 511 | if ( lua_isnil( L, -1 ) && (!lua_isnoneornil( L, lua_upvalueindex( 3 ) ) ) ) // blueprint
|
---|
| 512 | {
|
---|
| 513 | lua_pushvalue( L, lua_upvalueindex( 3 ) );
|
---|
| 514 | lua_replace( L, -2 );
|
---|
| 515 | }
|
---|
| 516 | if ( lua_isnil( L, -1 ) ) // storage.__blueprint
|
---|
| 517 | {
|
---|
| 518 | lua_getfield( L, lua_upvalueindex( 2 ), "__blueprint" );
|
---|
| 519 | lua_replace( L, -2 );
|
---|
| 520 | }
|
---|
| 521 | if ( !lua_isnil( L, -1 ) )
|
---|
| 522 | {
|
---|
| 523 | lua_getfield( L, lua_upvalueindex( 2 ), "__name" ); // storage.__name
|
---|
| 524 | lua_pushfstring( L, "%s[%s]", lua_tostring( L, -1 ), lua_tostring( L, lua_upvalueindex( 1 ) ) );
|
---|
| 525 | lua_replace( L, -2 );
|
---|
| 526 |
|
---|
| 527 | lua_pushcfunction( L, nova_apply_blueprint );
|
---|
| 528 | lua_pushvalue( L, 1 );
|
---|
| 529 | lua_pushvalue( L, -4 );
|
---|
| 530 | lua_pushvalue( L, -4 );
|
---|
| 531 | lua_call( L, 3, 0 );
|
---|
| 532 | lua_pop( L, 2 );
|
---|
| 533 | }
|
---|
| 534 |
|
---|
| 535 | lua_pushcfunction( L, nova_register );
|
---|
| 536 | lua_pushvalue( L, lua_upvalueindex( 2 ) );
|
---|
| 537 | lua_pushvalue( L, 1 );
|
---|
| 538 | lua_call( L, 2, 0 );
|
---|
| 539 |
|
---|
| 540 | if ( !lua_isnoneornil( L, lua_upvalueindex( 4 ) ) ) // constructor
|
---|
| 541 | {
|
---|
| 542 | lua_pushvalue( L, lua_upvalueindex( 4 ) ); // constructor
|
---|
| 543 | lua_pushvalue( L, 1 );
|
---|
| 544 | lua_call( L, 1, 0 );
|
---|
| 545 | }
|
---|
| 546 |
|
---|
| 547 | lua_pushvalue( L, lua_upvalueindex( 1 ) ); // id
|
---|
| 548 | return 1;
|
---|
| 549 | }
|
---|
| 550 |
|
---|
| 551 | static int nova_create_constructor_closure( lua_State * L )
|
---|
| 552 | {
|
---|
| 553 | luaL_checktype( L, 1, LUA_TSTRING );
|
---|
| 554 | if ( lua_gettop( L ) > 1 )
|
---|
| 555 | {
|
---|
| 556 | lua_settop( L, 2 );
|
---|
| 557 | luaL_checktype( L, 2, LUA_TSTRING );
|
---|
| 558 | lua_pushvalue( L, lua_upvalueindex( 1 ) );
|
---|
| 559 | lua_insert( L, -2 );
|
---|
| 560 | }
|
---|
| 561 | else
|
---|
| 562 | {
|
---|
| 563 | lua_settop( L, 1 );
|
---|
| 564 | lua_pushvalue( L, lua_upvalueindex( 1 ) );
|
---|
| 565 | lua_pushvalue( L, lua_upvalueindex( 2 ) );
|
---|
| 566 | }
|
---|
| 567 | lua_pushvalue( L, lua_upvalueindex( 3 ) );
|
---|
| 568 | lua_settop( L, 4 );
|
---|
| 569 |
|
---|
| 570 | lua_pushcclosure(L, nova_create_constructor_impl, 4);
|
---|
| 571 | return 1;
|
---|
| 572 | }
|
---|
| 573 |
|
---|
| 574 | static int nova_create_constructor( lua_State * L )
|
---|
| 575 | {
|
---|
| 576 | if ( lua_type( L, 1 ) == LUA_TSTRING )
|
---|
| 577 | {
|
---|
| 578 | lua_getglobal( L, lua_tostring( L, 1 ) );
|
---|
| 579 | lua_replace( L, 1 );
|
---|
| 580 | }
|
---|
| 581 | luaL_checktype( L, 1, LUA_TTABLE );
|
---|
| 582 | if ( !lua_isnoneornil( L, 2 ) ) luaL_checktype( L, 2, LUA_TSTRING );
|
---|
| 583 | if ( !lua_isnoneornil( L, 3 ) ) luaL_checktype( L, 3, LUA_TFUNCTION );
|
---|
| 584 | lua_settop( L, 3 );
|
---|
| 585 | lua_pushcclosure(L, nova_create_constructor_closure, 3);
|
---|
| 586 | return 1;
|
---|
| 587 | }
|
---|
| 588 |
|
---|
| 589 | static int nova_create_array_constructor_closure( lua_State * L )
|
---|
| 590 | {
|
---|
| 591 | bool blueprint = true;
|
---|
| 592 | luaL_checktype( L, 1, LUA_TTABLE );
|
---|
| 593 |
|
---|
| 594 | lua_getfield( L, lua_upvalueindex( 1 ), "__blueprint" );
|
---|
| 595 | if ( lua_type( L, -1 ) == LUA_TBOOLEAN ) blueprint = lua_toboolean( L, -1 ) != 0;
|
---|
| 596 | lua_pop( L, 1 );
|
---|
| 597 |
|
---|
| 598 | if ( blueprint )
|
---|
| 599 | {
|
---|
| 600 | lua_getfield( L, 1, "blueprint" );
|
---|
| 601 | if ( lua_isnil( L, -1 ) && (!lua_isnoneornil( L, lua_upvalueindex( 2 ) )) ) // blueprint
|
---|
| 602 | {
|
---|
| 603 | lua_pushvalue( L, lua_upvalueindex( 2 ) );
|
---|
| 604 | lua_replace( L, -2 );
|
---|
| 605 | }
|
---|
| 606 |
|
---|
| 607 | if ( lua_isnil( L, -1 ) ) // storage.__blueprint
|
---|
| 608 | {
|
---|
| 609 | lua_getfield( L, lua_upvalueindex( 1 ), "__blueprint" );
|
---|
| 610 | lua_replace( L, -2 );
|
---|
| 611 | }
|
---|
| 612 |
|
---|
| 613 | if ( !lua_isnil( L, -1 ) && ( lua_type( L, -1 ) != LUA_TBOOLEAN ) )
|
---|
| 614 | {
|
---|
| 615 | lua_getfield( L, lua_upvalueindex( 1 ), "__name" ); // storage.__name
|
---|
| 616 | lua_pushfstring( L, "%s[%d]", lua_tostring( L, -1 ), lua_objlen(L,lua_upvalueindex( 1 ))+1 );
|
---|
| 617 | lua_replace( L, -2 );
|
---|
| 618 |
|
---|
| 619 | lua_pushcfunction( L, nova_apply_blueprint );
|
---|
| 620 | lua_pushvalue( L, 1 );
|
---|
| 621 | lua_pushvalue( L, -4 );
|
---|
| 622 | lua_pushvalue( L, -4 );
|
---|
| 623 | lua_call( L, 3, 0 );
|
---|
| 624 | lua_pop( L, 2 );
|
---|
| 625 | }
|
---|
| 626 | }
|
---|
| 627 |
|
---|
| 628 | lua_pushcfunction( L, nova_array_register );
|
---|
| 629 | lua_pushvalue( L, lua_upvalueindex( 1 ) );
|
---|
| 630 | lua_pushvalue( L, 1 );
|
---|
| 631 | lua_call( L, 2, 1 );
|
---|
| 632 |
|
---|
| 633 | if (!lua_isnoneornil( L, lua_upvalueindex( 3 ) )) // constructor
|
---|
| 634 | {
|
---|
| 635 | lua_pushvalue( L, lua_upvalueindex( 3 ) ); // constructor
|
---|
| 636 | lua_pushvalue( L, 1 );
|
---|
| 637 | lua_call( L, 1, 0 );
|
---|
| 638 | }
|
---|
| 639 |
|
---|
| 640 | return 1;
|
---|
| 641 | }
|
---|
| 642 |
|
---|
| 643 | static int nova_create_array_constructor( lua_State * L )
|
---|
| 644 | {
|
---|
| 645 | if ( lua_type( L, 1 ) == LUA_TSTRING )
|
---|
| 646 | {
|
---|
| 647 | lua_getglobal( L, lua_tostring( L, 1 ) );
|
---|
| 648 | lua_replace( L, 1 );
|
---|
| 649 | }
|
---|
| 650 | luaL_checktype( L, 1, LUA_TTABLE );
|
---|
| 651 | if ( lua_isnoneornil( L, 2 ) )
|
---|
| 652 | {
|
---|
| 653 | if ( lua_type( L, 2 ) != LUA_TBOOLEAN ) luaL_checktype( L, 2, LUA_TSTRING );
|
---|
| 654 | }
|
---|
| 655 | if ( !lua_isnoneornil( L, 3 ) ) luaL_checktype( L, 3, LUA_TFUNCTION );
|
---|
| 656 | lua_settop( L, 3 );
|
---|
| 657 | lua_pushcclosure(L, nova_create_array_constructor_closure, 3);
|
---|
| 658 | return 1;
|
---|
| 659 | }
|
---|
| 660 |
|
---|
| 661 | static int nova_register_storage( lua_State * L )
|
---|
| 662 | {
|
---|
| 663 | bool blueprint = false;
|
---|
| 664 | bool constr = false;
|
---|
| 665 | luaL_checktype( L, 1, LUA_TSTRING );
|
---|
| 666 | if ( !lua_isnoneornil( L, 2 ) )
|
---|
| 667 | {
|
---|
| 668 | luaL_checktype( L, 2, LUA_TSTRING );
|
---|
| 669 | blueprint = true;
|
---|
| 670 | }
|
---|
| 671 | if ( !lua_isnoneornil( L, 3 ) )
|
---|
| 672 | {
|
---|
| 673 | luaL_checktype( L, 3, LUA_TFUNCTION );
|
---|
| 674 | constr = true;
|
---|
| 675 | }
|
---|
| 676 | lua_settop( L, 3 );
|
---|
| 677 |
|
---|
| 678 | lua_pushglobaltable( L );
|
---|
| 679 | lua_pushvalue( L, 1 );
|
---|
| 680 | lua_rawget( L, -2 );
|
---|
| 681 |
|
---|
[316] | 682 | if ( !lua_isnil( L, -1 ) ) luaL_error( L, "lua.nova - storage \"%s\" already registered!", lua_tolstring( L, 1, 0 ) );
|
---|
[217] | 683 |
|
---|
| 684 | lua_newtable( L ); // g t
|
---|
| 685 | lua_pushvalue( L, 1 ); // g t name
|
---|
| 686 | lua_pushvalue( L, -2 ); // g t name, duplicate table
|
---|
| 687 | lua_pushvalue( L, 1 ); // g t name, dt, name
|
---|
| 688 |
|
---|
| 689 | lua_setfield( L, -2, "__name" );
|
---|
| 690 | if ( blueprint )
|
---|
| 691 | {
|
---|
| 692 | lua_pushvalue( L, 2 );
|
---|
| 693 | lua_setfield( L, -2, "__blueprint" );
|
---|
| 694 | }
|
---|
| 695 | lua_rawset( L, 4 );
|
---|
| 696 |
|
---|
| 697 | lua_pushcfunction( L, nova_create_constructor );
|
---|
| 698 | lua_pushvalue( L, -2 ); // storage
|
---|
| 699 |
|
---|
| 700 | if ( blueprint )
|
---|
| 701 | lua_pushvalue( L, 2 );
|
---|
| 702 | else
|
---|
| 703 | lua_pushnil( L );
|
---|
| 704 |
|
---|
| 705 | if ( constr )
|
---|
| 706 | lua_pushvalue( L, 3 );
|
---|
| 707 | else
|
---|
| 708 | lua_pushnil( L );
|
---|
| 709 | lua_call( L, 3, 1 );
|
---|
| 710 | return 1;
|
---|
| 711 | }
|
---|
| 712 |
|
---|
| 713 | static int nova_register_array_storage( lua_State * L )
|
---|
| 714 | {
|
---|
| 715 | bool blueprint = false;
|
---|
| 716 | bool constr = false;
|
---|
| 717 | luaL_checktype( L, 1, LUA_TSTRING );
|
---|
| 718 | if ( !lua_isnoneornil( L, 2 ) )
|
---|
| 719 | {
|
---|
| 720 | if ( lua_type( L, 2 ) != LUA_TBOOLEAN ) luaL_checktype( L, 2, LUA_TSTRING );
|
---|
| 721 | blueprint = true;
|
---|
| 722 | }
|
---|
| 723 | if ( !lua_isnoneornil( L, 3 ) )
|
---|
| 724 | {
|
---|
| 725 | luaL_checktype( L, 3, LUA_TFUNCTION );
|
---|
| 726 | constr = true;
|
---|
| 727 | }
|
---|
| 728 | lua_settop( L, 3 );
|
---|
| 729 | lua_pushglobaltable( L );
|
---|
| 730 |
|
---|
| 731 | lua_pushvalue( L, 1 );
|
---|
| 732 | lua_rawget( L, -2 );
|
---|
| 733 | if ( !lua_isnil( L, -1 ) ) luaL_error( L, "storage \"%s\" already registered!", lua_tolstring( L, lua_upvalueindex(1), 0 ) );
|
---|
| 734 |
|
---|
| 735 | lua_newtable( L );
|
---|
| 736 | lua_pushvalue( L, 1 ); // name
|
---|
| 737 | lua_pushvalue( L, -2 ); // duplicate table
|
---|
| 738 | lua_pushvalue( L, 1 ); // name
|
---|
| 739 | lua_setfield( L, -2, "__name" );
|
---|
| 740 | if ( blueprint )
|
---|
| 741 | {
|
---|
| 742 | lua_pushvalue( L, 2 );
|
---|
| 743 | lua_setfield( L, -2, "__blueprint" );
|
---|
| 744 | }
|
---|
| 745 | lua_rawset( L, 4 );
|
---|
| 746 |
|
---|
| 747 | lua_pushcfunction( L, nova_create_array_constructor );
|
---|
| 748 | lua_pushvalue( L, -2 ); // storage
|
---|
| 749 |
|
---|
| 750 | if ( blueprint )
|
---|
| 751 | lua_pushvalue( L, 2 );
|
---|
| 752 | else
|
---|
| 753 | lua_pushnil( L );
|
---|
| 754 |
|
---|
| 755 | if ( constr )
|
---|
| 756 | lua_pushvalue( L, 3 );
|
---|
| 757 | else
|
---|
| 758 | lua_pushnil( L );
|
---|
| 759 |
|
---|
| 760 | lua_call( L, 3, 1 );
|
---|
| 761 | return 1;
|
---|
| 762 | }
|
---|
| 763 |
|
---|
| 764 | static const luaL_Reg nova_f[] = {
|
---|
| 765 | { "TFLAGS", nova_type_FLAGS },
|
---|
| 766 | { "TBLUEPRINT", nova_type_BLUEPRINT },
|
---|
| 767 | { "TARRAY", nova_type_ARRAY },
|
---|
| 768 | { "TMAP", nova_type_MAP },
|
---|
| 769 | { "TID", nova_type_ID },
|
---|
| 770 | { "iif", nova_iif },
|
---|
| 771 | { "register", nova_register },
|
---|
| 772 | { "array_register", nova_array_register },
|
---|
| 773 | { "declare", nova_declare },
|
---|
| 774 | { "create_seq_function", nova_create_seq_function },
|
---|
| 775 | { "apply_blueprint", nova_apply_blueprint },
|
---|
| 776 | { "apply_blueprint_values", nova_apply_blueprint_values },
|
---|
| 777 | { "register_blueprint", nova_register_blueprint },
|
---|
| 778 | { "create_constructor", nova_create_constructor },
|
---|
| 779 | { "register_storage", nova_register_storage },
|
---|
| 780 | { "register_array_storage", nova_register_array_storage },
|
---|
| 781 | { "create_array_constructor", nova_create_array_constructor },
|
---|
| 782 | {NULL, NULL}
|
---|
| 783 | };
|
---|
| 784 |
|
---|
| 785 |
|
---|
| 786 | int luaopen_nova( lua_State * L )
|
---|
| 787 | {
|
---|
| 788 | lua_createtable( L, 0, 0 );
|
---|
| 789 | nlua_register( L, nova_f, -1 );
|
---|
| 790 | return 1;
|
---|
| 791 | }
|
---|
| 792 |
|
---|
| 793 | void nv::lua::register_nova( state* a_state )
|
---|
| 794 | {
|
---|
| 795 | lua_State* L = a_state->get_raw();
|
---|
| 796 | int stack = lua_gettop( L );
|
---|
| 797 |
|
---|
| 798 | lua_pushlightuserdata( L, a_state );
|
---|
| 799 | lua_setfield( L, LUA_REGISTRYINDEX, NV_STATE );
|
---|
| 800 |
|
---|
| 801 | lua_newtable( L );
|
---|
| 802 | lua_setfield( L, LUA_REGISTRYINDEX, NV_BLUEPRINTS );
|
---|
| 803 |
|
---|
| 804 | luaL_requiref( L, "nova", luaopen_nova, 1 );
|
---|
| 805 | lua_settop( L, stack );
|
---|
| 806 | }
|
---|
[316] | 807 |
|
---|
| 808 | void nv::lua::register_storage( state* a_state, const string& name, const string& constructor_name )
|
---|
| 809 | {
|
---|
| 810 | // TODO: error checking
|
---|
| 811 | lua_State* L = a_state->get_raw();
|
---|
| 812 | int stack = lua_gettop( L );
|
---|
| 813 | // TODO: check if nova is loaded
|
---|
| 814 | lua_pushcfunction( L, nova_register_storage );
|
---|
| 815 | lua_pushstring( L, name.c_str() );
|
---|
| 816 | lua_call( L, 1, 1 );
|
---|
| 817 | lua_setglobal( L, constructor_name.c_str() );
|
---|
| 818 | lua_settop( L, stack );
|
---|
| 819 | }
|
---|