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Values by reference in forwards

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This commit is contained in:
Karol Szuster 2016-04-05 18:51:18 +02:00
parent 21c4886f90
commit 53f9144fc3
7 changed files with 222 additions and 15 deletions
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99
amxmodx/CForward.cpp
View File

@ -59,7 +59,7 @@ cell CForward::execute(cell *params, ForwardPreparedArray *preparedArrays)
if (pDebugger)
pDebugger->BeginExec();
// handle strings & arrays
// handle strings & arrays & values by reference
int i;
for (i = 0; i < m_NumParams; ++i)
@ -70,7 +70,7 @@ cell CForward::execute(cell *params, ForwardPreparedArray *preparedArrays)
cell *tmp;
if (!str)
str = "";
amx_Allot(iter->pPlugin->getAMX(), (m_ParamTypes[i] == FP_STRING) ? strlen(str) + 1 : STRINGEX_MAXLENGTH, &realParams[i], &tmp);
amx_Allot(amx, (m_ParamTypes[i] == FP_STRING) ? strlen(str) + 1 : STRINGEX_MAXLENGTH, &realParams[i], &tmp);
amx_SetStringOld(tmp, str, 0, 0);
physAddrs[i] = tmp;
}
@ -89,7 +89,24 @@ cell CForward::execute(cell *params, ForwardPreparedArray *preparedArrays)
for (unsigned int j = 0; j < preparedArrays[params[i]].size; ++j)
*tmp++ = (static_cast<cell>(*data++)) & 0xFF;
}
} else {
}
else if (m_ParamTypes[i] == FP_CELL_BYREF || m_ParamTypes[i] == FP_FLOAT_BYREF)
{
cell *tmp;
amx_Allot(amx, 1, &realParams[i], &tmp);
physAddrs[i] = tmp;
if (m_ParamTypes[i] == FP_CELL_BYREF)
{
memcpy(tmp, reinterpret_cast<cell *>(params[i]), sizeof(cell));
}
else
{
memcpy(tmp, reinterpret_cast<REAL *>(params[i]), sizeof(REAL));
}
}
else
{
realParams[i] = params[i];
}
}
@ -127,18 +144,18 @@ cell CForward::execute(cell *params, ForwardPreparedArray *preparedArrays)
if (pDebugger)
pDebugger->EndExec();
// cleanup strings & arrays
// cleanup strings & arrays & values by reference
for (i = 0; i < m_NumParams; ++i)
{
if (m_ParamTypes[i] == FP_STRING)
{
amx_Release(iter->pPlugin->getAMX(), realParams[i]);
amx_Release(amx, realParams[i]);
}
else if (m_ParamTypes[i] == FP_STRINGEX)
{
// copy back
amx_GetStringOld(reinterpret_cast<char*>(params[i]), physAddrs[i], 0);
amx_Release(iter->pPlugin->getAMX(), realParams[i]);
amx_Release(amx, realParams[i]);
}
else if (m_ParamTypes[i] == FP_ARRAY)
{
@ -156,7 +173,21 @@ cell CForward::execute(cell *params, ForwardPreparedArray *preparedArrays)
*data++ = static_cast<char>(*tmp++ & 0xFF);
}
}
amx_Release(iter->pPlugin->getAMX(), realParams[i]);
amx_Release(amx, realParams[i]);
}
else if (m_ParamTypes[i] == FP_CELL_BYREF || m_ParamTypes[i] == FP_FLOAT_BYREF)
{
//copy back
cell *tmp = physAddrs[i];
if (m_ParamTypes[i] == FP_CELL_BYREF)
{
memcpy(reinterpret_cast<cell *>(params[i]), tmp, sizeof(cell));
}
else
{
memcpy(reinterpret_cast<REAL *>(params[i]), tmp, sizeof(REAL));
}
amx_Release(amx, realParams[i]);
}
}
@ -236,7 +267,7 @@ cell CSPForward::execute(cell *params, ForwardPreparedArray *preparedArrays)
if (pDebugger)
pDebugger->BeginExec();
// handle strings & arrays
// handle strings & arrays & values by reference
int i;
for (i = 0; i < m_NumParams; ++i)
@ -266,7 +297,24 @@ cell CSPForward::execute(cell *params, ForwardPreparedArray *preparedArrays)
for (unsigned int j = 0; j < preparedArrays[params[i]].size; ++j)
*tmp++ = (static_cast<cell>(*data++)) & 0xFF;
}
} else {
}
else if (m_ParamTypes[i] == FP_CELL_BYREF || m_ParamTypes[i] == FP_FLOAT_BYREF)
{
cell *tmp;
amx_Allot(m_Amx, 1, &realParams[i], &tmp);
physAddrs[i] = tmp;
if (m_ParamTypes[i] == FP_CELL_BYREF)
{
memcpy(tmp, reinterpret_cast<cell *>(params[i]), sizeof(cell));
}
else
{
memcpy(tmp, reinterpret_cast<REAL *>(params[i]), sizeof(REAL));
}
}
else
{
realParams[i] = params[i];
}
}
@ -300,7 +348,7 @@ cell CSPForward::execute(cell *params, ForwardPreparedArray *preparedArrays)
m_Amx->error = AMX_ERR_NONE;
// cleanup strings & arrays
// cleanup strings & arrays & values by reference
for (i = 0; i < m_NumParams; ++i)
{
if (m_ParamTypes[i] == FP_STRING)
@ -331,6 +379,20 @@ cell CSPForward::execute(cell *params, ForwardPreparedArray *preparedArrays)
}
amx_Release(m_Amx, realParams[i]);
}
else if (m_ParamTypes[i] == FP_CELL_BYREF || m_ParamTypes[i] == FP_FLOAT_BYREF)
{
//copy back
cell *tmp = physAddrs[i];
if (m_ParamTypes[i] == FP_CELL_BYREF)
{
memcpy(reinterpret_cast<cell *>(params[i]), tmp, sizeof(cell));
}
else
{
memcpy(reinterpret_cast<REAL *>(params[i]), tmp, sizeof(REAL));
}
amx_Release(m_Amx, realParams[i]);
}
}
m_InExec = false;
@ -684,12 +746,25 @@ cell executeForwards(int id, ...)
va_list argptr;
va_start(argptr, id);
ForwardParam param_type;
for (int i = 0; i < paramsNum && i < FORWARD_MAX_PARAMS; ++i)
{
if (g_forwards.getParamType(id, i) == FP_FLOAT)
param_type = g_forwards.getParamType(id, i);
if (param_type == FP_FLOAT)
{
REAL tmp = (REAL)va_arg(argptr, double); // floats get converted to doubles
params[i] = *(cell*)&tmp;
params[i] = amx_ftoc(tmp);
}
else if(param_type == FP_FLOAT_BYREF)
{
REAL *tmp = reinterpret_cast<REAL *>(va_arg(argptr, double*));
params[i] = reinterpret_cast<cell>(tmp);
}
else if(param_type == FP_CELL_BYREF)
{
cell *tmp = reinterpret_cast<cell *>(va_arg(argptr, cell*));
params[i] = reinterpret_cast<cell>(tmp);
}
else
params[i] = (cell)va_arg(argptr, cell);

2
amxmodx/CForward.h
View File

@ -46,6 +46,8 @@ enum ForwardParam
FP_STRING, // string
FP_STRINGEX, // string; will be updated to the last function's value
FP_ARRAY, // array; use the return value of prepareArray.
FP_CELL_BYREF, // cell; pass by reference
FP_FLOAT_BYREF, // float; pass by reference
};
// for prepareArray

15
amxmodx/amxmodx.cpp
View File

@ -4118,9 +4118,13 @@ static cell AMX_NATIVE_CALL ExecuteForward(AMX *amx, cell *params)
LogError(amx, AMX_ERR_NATIVE, "Expected %d parameters, got %d", g_forwards.getParamsNum(id), count-2);
return 0;
}
ForwardParam param_type;
for (cell i=3; i<=count; i++)
{
if (g_forwards.getParamType(id, i-3) == FP_STRING)
param_type = g_forwards.getParamType(id, i-3);
if (param_type == FP_STRING)
{
char *tmp = get_amxstring(amx, params[i], 0, len);
cell num = len / sizeof(cell) + 1;
@ -4131,7 +4135,14 @@ static cell AMX_NATIVE_CALL ExecuteForward(AMX *amx, cell *params)
}
strcpy((char *)allots[i-3].phys_addr, tmp);
ps[i-3] = (cell)allots[i-3].phys_addr;
} else {
}
else if (param_type == FP_CELL_BYREF)
{
cell *temp = get_amxaddr(amx, params[i]);
ps[i-3] = reinterpret_cast<cell>(temp);
}
else
{
ps[i-3] = *get_amxaddr(amx, params[i]);
}
}

1
plugins/include/amxconst.inc
View File

@ -403,6 +403,7 @@ enum
#define FP_FLOAT 1
#define FP_STRING 2
#define FP_ARRAY 4
#define FP_VAL_BYREF 5 //cell & float are handled in the same way
/**
* @endsection

61
plugins/testsuite/fwdreftest1.sma Normal file
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@ -0,0 +1,61 @@
// vim: set ts=4 sw=4 tw=99 noet:
//
// AMX Mod X, based on AMX Mod by Aleksander Naszko ("OLO").
// Copyright (C) The AMX Mod X Development Team.
//
// This software is licensed under the GNU General Public License, version 3 or higher.
// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
// https://alliedmods.net/amxmodx-license
#include <amxmodx>
new g_hMultiForward;
new g_hOneForward;
public plugin_init()
{
register_plugin("Forward Test (Reference) (1)", "1.0", "Ni3znajomy");
g_hMultiForward = CreateMultiForward("multi_forward_reference", ET_IGNORE, FP_VAL_BYREF, FP_VAL_BYREF);
g_hOneForward = CreateOneForward(find_plugin_byfile("fwdreftest2.amxx"), "one_forward_reference", FP_VAL_BYREF, FP_VAL_BYREF);
register_srvcmd("fwdref_multi_test", "cmdForwardRefMultiTest");
register_srvcmd("fwdref_one_test", "cmdForwardRefOneTest");
}
public cmdForwardRefMultiTest()
{
new sTestValue[10];
read_argv(1, sTestValue, charsmax(sTestValue));
new iTestValue1 = str_to_num(sTestValue);
read_argv(2, sTestValue, charsmax(sTestValue));
new Float:fTestValue2 = str_to_float(sTestValue);
server_print("PLUGIN1: MULTI FORWARD START: val1 = %i | val2 = %f", iTestValue1, fTestValue2);
new dump;
ExecuteForward(g_hMultiForward, dump, iTestValue1, fTestValue2);
server_print("PLUGIN1: MULTI FORWARD END: val1 = %i | val2 = %f", iTestValue1, fTestValue2);
}
public cmdForwardRefOneTest()
{
new sTestValue[10];
read_argv(1, sTestValue, charsmax(sTestValue));
new iTestValue1 = str_to_num(sTestValue);
read_argv(2, sTestValue, charsmax(sTestValue));
new Float:fTestValue2 = str_to_float(sTestValue);
server_print("PLUGIN1: ONE FORWARD START: val1 = %i | val2 = %f", iTestValue1, fTestValue2);
new dump;
ExecuteForward(g_hOneForward, dump, iTestValue1, fTestValue2);
server_print("PLUGIN1: ONE FORWARD END: val1 = %i | val2 = %f", iTestValue1, fTestValue2);
}

55
plugins/testsuite/fwdreftest2.sma Normal file
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@ -0,0 +1,55 @@
// vim: set ts=4 sw=4 tw=99 noet:
//
// AMX Mod X, based on AMX Mod by Aleksander Naszko ("OLO").
// Copyright (C) The AMX Mod X Development Team.
//
// This software is licensed under the GNU General Public License, version 3 or higher.
// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
// https://alliedmods.net/amxmodx-license
#include <amxmodx>
new g_iTestValue1 = 0
new Float:g_fTestValue2 = 0.0;
public plugin_init()
{
register_plugin("Forward Test (Reference) (2)", "1.0", "Ni3znajomy");
register_srvcmd("fwdref_set_test_values", "cmdSetTestValues");
}
public cmdSetTestValues()
{
new sTestValue[10];
read_argv(1, sTestValue, charsmax(sTestValue));
g_iTestValue1 = str_to_num(sTestValue);
read_argv(2, sTestValue, charsmax(sTestValue));
g_fTestValue2 = str_to_float(sTestValue);
server_print("PLUGIN2: TEST VALUES: val1 = %i | val2 = %f", g_iTestValue1, g_fTestValue2);
}
public multi_forward_reference(&val1, &Float:val2)
{
server_print("PLUGIN2: MULTI FORWARD START: val1 = %i | val2 = %f", val1, val2);
val1 = g_iTestValue1;
val2 = g_fTestValue2;
server_print("PLUGIN2: MULTI FORWARD END: val1 = %i | val2 = %f", val1, val2);
}
public one_forward_reference(&val1, &Float:val2)
{
server_print("PLUGIN2: ONE FORWARD START: val1 = %i | val2 = %f", val1, val2);
val1 = g_iTestValue1;
val2 = g_fTestValue2;
server_print("PLUGIN2: ONE FORWARD END: val1 = %i | val2 = %f", val1, val2);
}

2
public/sdk/amxxmodule.h
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@ -2087,6 +2087,8 @@ enum ForwardParam
FP_STRING, // string
FP_STRINGEX, // string; will be updated to the last function's value
FP_ARRAY, // array; use the return value of prepareArray.
FP_CELL_BYREF, // cell; pass by reference
FP_FLOAT_BYREF, // float; pass by reference
};
enum PlayerProp