Flummi/amxmodx
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Added Compact Encoding (-c)

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Added second pass optimization (-h)
This commit is contained in:
David Anderson
2004-08-11 14:31:26 +00:00
parent c9a0a3f9be
commit 81b3e662cf
5 changed files with 291 additions and 42 deletions
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66
compiler/scasm/amx_data.cpp
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@ -45,6 +45,7 @@ DataMngr::Datum::Datum()
db = false;
offset = -1;
fill = 0;
zeroed = false;
}
void DataMngr::Add(std::string &s, CExpr &expr, bool db, int fill)
@ -128,3 +129,68 @@ void DataMngr::GetData(std::vector<DataMngr::Datum *> &dList)
}
}
void DataMngr::PrintTable()
{
std::vector<DataMngr::Datum *>::iterator i;
DataMngr::Datum *p = 0;
printf("Symbol\tSize\n");
for (i=List.begin(); i!=List.end(); i++)
{
p = (*i);
printf("%s\t%d\n", p->symbol.c_str(), p->offset);
}
}
//Rewrite the DAT section so empties are at the end
void DataMngr::Optimize()
{
std::vector<DataMngr::Datum *> DbList;
std::vector<DataMngr::Datum *> MtList;
std::vector<DataMngr::Datum *>::iterator i;
for (i=List.begin(); i!=List.end(); i++)
{
if ( (*i)->db )
{
DbList.push_back( (*i) );
} else if ( (*i)->fill == 0 ) {
MtList.push_back( (*i) );
} else {
DbList.push_back( (*i) );
}
}
List.clear();
lastOffset = 0;
cursize = 0;
int size = 0;
for (i=DbList.begin(); i!=DbList.end(); i++)
{
size = (( (*i)->e.GetType() == Val_Number
|| (*i)->e.GetType() == Val_Float ) ?
cellsize : (*i)->e.Size() * cellsize);
(*i)->offset = lastOffset;
lastOffset += size;
(*i)->zeroed = false;
List.push_back( (*i) );
}
cursize = lastOffset;
DbList.clear();
for (i=MtList.begin(); i!=MtList.end(); i++)
{
size = ( (*i)->e.GetNumber() * cellsize );
(*i)->offset = lastOffset;
lastOffset += size;
(*i)->zeroed = true;
List.push_back( (*i) );
}
MtList.clear();
optimized = true;
}