amxmodx/compiler/scasm/amx_data.cpp

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/* AMX Assembler
* Copyright (C)2004 David "BAILOPAN" Anderson
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
*
* Version: $Id$
*/
#include "amxasm.h"
DataMngr::~DataMngr()
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{
Clear();
}
void DataMngr::Clear()
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{
std::vector<DataMngr::Datum *>::iterator i;
for (i=List.begin(); i!=List.end(); i++)
{
if ( (*i) )
delete (*i);
}
List.clear();
}
DataMngr::Datum::Datum()
{
db = false;
offset = -1;
fill = 0;
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}
void DataMngr::Add(std::string &s, CExpr &expr, bool db, char fill)
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{
DataMngr::Datum *D = new DataMngr::Datum();
D->symbol.assign(s);
D->e = expr;
D->fill = fill;
D->db = db;
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int size = 0;
if (db)
{
size = ((D->e.GetType() == Val_Number) ?
cellsize : D->e.Size() * cellsize);
} else {
size = D->e.GetNumber();
}
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if (List.size() == 0)
{
D->offset = 0;
} else {
DataMngr::Datum *p = List[List.size()-1];
if (p->db)
{
D->offset = p->offset +
((p->e.GetType() == Val_Number) ?
cellsize : p->e.Size() * cellsize);
} else {
D->offset = p->offset + p->e.GetNumber();
}
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}
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cursize += size;
List.push_back(D);
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}
DataMngr::Datum *DataMngr::FindData(std::string &sym)
{
std::vector<DataMngr::Datum *>::iterator i;
for (i=List.begin(); i!=List.end(); i++)
{
if ((*i)->symbol.compare(sym) == 0)
{
return (*i);
}
}
return NULL;
}
int DataMngr::GetOffset(std::string &sym)
{
DataMngr::Datum *D = NULL;
D = FindData(sym);
if (D == NULL)
return DataMngr::nof;
return D->offset;
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}
int DataMngr::GetSize()
{
return cursize;
}
void DataMngr::GetData(std::vector<DataMngr::Datum *> &dList)
{
std::vector<DataMngr::Datum *>::iterator i;
for (i=List.begin(); i!=List.end(); i++)
{
dList.push_back( (*i) );
}
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}