1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
/* Copyright 2015-2017 Egor Yusov
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF ANY PROPRIETARY RIGHTS.
*
* In no event and under no legal theory, whether in tort (including negligence),
* contract, or otherwise, unless required by applicable law (such as deliberate
* and grossly negligent acts) or agreed to in writing, shall any Contributor be
* liable for any damages, including any direct, indirect, special, incidental,
* or consequential damages of any character arising as a result of this License or
* out of the use or inability to use the software (including but not limited to damages
* for loss of goodwill, work stoppage, computer failure or malfunction, or any and
* all other commercial damages or losses), even if such Contributor has been advised
* of the possibility of such damages.
*/
#include "pch.h"
#include "LuaFunctionBinding.h"
#include "LuaBindings.h"
namespace Diligent
{
void LuaFunctionCallerBase::PushFuncStub( lua_State *L, Bool Arg )
{
PushValue( L, Arg );
}
void LuaFunctionCallerBase::PushFuncStub( lua_State *L, Int32 Arg )
{
PushValue<double>( L, Arg );
}
void LuaFunctionCallerBase::PushFuncStub( lua_State *L, Uint32 Arg )
{
PushValue<double>( L, Arg );
}
void LuaFunctionCallerBase::PushFuncStub( lua_State *L, Int16 Arg )
{
PushValue<double>( L, Arg );
}
void LuaFunctionCallerBase::PushFuncStub( lua_State *L, Uint16 Arg )
{
PushValue<double>( L, Arg );
}
void LuaFunctionCallerBase::PushFuncStub( lua_State *L, Int8 Arg )
{
PushValue<double>( L, Arg );
}
void LuaFunctionCallerBase::PushFuncStub( lua_State *L, Uint8 Arg )
{
PushValue<double>( L, Arg );
}
void LuaFunctionCallerBase::PushFuncStub( lua_State *L, float Arg )
{
PushValue<double>( L, Arg );
}
void LuaFunctionCallerBase::PushFuncStub( lua_State *L, const Char *Arg )
{
PushValue( L, Arg );
}
void LuaFunctionCallerBase::PushFuncStub( lua_State *L, const String &Arg )
{
PushValue( L, Arg.c_str() );
}
void LuaFunctionCallerBase::Run_internal( int NumArgs, const Char *FuncName )
{
// http://www.lua.org/pil/25.2.html
if( FuncName )
{
// Push onto the stack the value of the global name.
lua_getglobal( m_LuaState, FuncName );
// All arguments are now below the function, while we need to have
// the function below all the arguments:
lua_insert( m_LuaState, -NumArgs - 1 );
}
else
{
// If FuncName == 0, it is assumed that the chunk was previously loaded into the stack
auto StackTop = lua_gettop( m_LuaState );
if( StackTop < 1 )
LOG_ERROR( "Lua stack is empty. Load Lua chunk before calling Run()" );
}
// do the call (NumArgs arguments, 0 results)
// lua_pcall() pops the function and all its arguments from the stack and
// pushes all the results (if any)
// In case of errors, the error message is pushed onto the top of the stack
if( lua_pcall( m_LuaState, NumArgs, 0, 0 ) != 0 )
{
auto ErrorMsg = lua_tostring( m_LuaState, -1 );
LOG_ERROR_AND_THROW( "Failed to call function \"", FuncName ? FuncName : "<main chunk>", "\"\n"
"The following error occured:\n", ErrorMsg );
}
}
}
|