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Type.cpp
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/* Software License Agreement
*
* Copyright(C) 1994-2023 David Lindauer, (LADSoft)
*
* This file is part of the Orange C Compiler package.
*
* The Orange C Compiler package is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* The Orange C Compiler package is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Orange C. If not, see <http://www.gnu.org/licenses/>.
*
* contact information:
* email: [email protected] <David Lindauer>
*
*/
#include "DotNetPELib.h"
#include "PEFile.h"
#include <cstdio>
namespace DotNetPELib
{
const char* Type::typeNames_[] = {"",
"",
"",
"",
"void",
"bool",
"char",
"int8",
"uint8",
"int16",
"uint16",
"int32",
"uint32",
"int64",
"uint64",
"native int",
"native unsigned int",
"float32",
"float64",
"object",
"string"};
const char* BoxedType::typeNames_[] = {"", "", "", "", "", "Bool", "Char",
"SByte", "Byte", "Int16", "UInt16", "Int32", "UInt32", "Int64",
"UInt64", "IntPtr", "UIntPtr", "Single", "Double", "Object", "String"};
bool Type::Matches(Type* right)
{
if (tp_ != right->tp_)
return false;
if (arrayLevel_ != right->arrayLevel_)
return false;
if (pointerLevel_ != right->pointerLevel_)
return false;
if (byRef_ != right->byRef_)
return false;
if (tp_ == cls && typeRef_ != right->typeRef_)
{
int n1, n2;
n1 = typeRef_->Name().find("_empty");
n2 = right->typeRef_->Name().find("_empty");
if (n1 != std::string::npos || n2 != std::string::npos)
{
bool transfer = false;
if (n1 == std::string::npos)
{
n1 = typeRef_->Name().find("_array_");
}
else
{
transfer = true;
n2 = right->typeRef_->Name().find("_array_");
}
if (n1 != n2)
return false;
if (typeRef_->Name().substr(0, n1) != right->typeRef_->Name().substr(0, n2))
return false;
if (transfer)
typeRef_ = right->typeRef_;
}
else
return false;
}
if (tp_ == method && methodRef_ != right->methodRef_)
return false;
return true;
}
bool Type::ILSrcDump(PELib& peLib) const
{
if (tp_ == cls)
{
if (showType_)
{
if (typeRef_->Flags().Flags() & Qualifiers::Value)
{
peLib.Out() << " valuetype ";
}
else
{
peLib.Out() << " class ";
}
}
std::string name = Qualifiers::GetName("", typeRef_, true);
if (name[0] != '[')
{
peLib.Out() << "'" << name << "'";
peLib.Out() << static_cast<Class*>(typeRef_)->AdornGenerics(peLib);
}
else
{
int npos = name.find_first_of("]");
if (npos != std::string::npos && npos != name.size() - 1)
{
peLib.Out() << name.substr(0, npos + 1) + "'" + name.substr(npos + 1) + "'";
peLib.Out() << static_cast<Class*>(typeRef_)->AdornGenerics(peLib);
}
else
{
peLib.Out() << "'" << name << "'";
}
}
}
else if (tp_ == var)
{
peLib.Out() << "!" << VarNum();
}
else if (tp_ == mvar)
{
peLib.Out() << "!!" << VarNum();
}
else if (tp_ == method)
{
peLib.Out() << "method ";
methodRef_->ILSrcDump(peLib, false, true, true);
}
else
{
peLib.Out() << typeNames_[tp_];
}
if (arrayLevel_ == 1)
{
peLib.Out() << " []";
}
else if (arrayLevel_)
{
peLib.Out() << " [";
for (int i = 0; i < arrayLevel_; i++)
{
if (i != 0)
peLib.Out() << ", 0...";
else
peLib.Out() << "0...";
}
peLib.Out() << "]";
}
for (int i = 0; i < pointerLevel_; i++)
peLib.Out() << " *";
if (byRef_)
peLib.Out() << "&";
if (pinned_)
peLib.Out() << " pinned";
return true;
}
void Type::ObjOut(PELib& peLib, int pass) const
{
peLib.Out() << std::endl
<< "$tb" << tp_ << "," << byRef_ << "," << arrayLevel_ << "," << pointerLevel_ << "," << pinned_ << ","
<< showType_;
if (tp_ == cls)
{
typeRef_->ObjOut(peLib, -1);
}
else if (tp_ == method)
{
methodRef_->ObjOut(peLib, -1);
}
peLib.Out() << std::endl << "$te";
}
Type* Type::ObjIn(PELib& peLib)
{
if (peLib.ObjBegin() == 'B')
{
Type* rv = BoxedType::ObjIn(peLib);
if (peLib.ObjEnd() != 'B')
peLib.ObjError(oe_syntax);
return rv;
}
else if (peLib.ObjBegin(false) == 't')
{
BasicType tp = (BasicType)peLib.ObjInt();
char ch;
ch = peLib.ObjChar();
if (ch != ',')
peLib.ObjError(oe_syntax);
int byRef = peLib.ObjInt();
ch = peLib.ObjChar();
if (ch != ',')
peLib.ObjError(oe_syntax);
int arrayLevel = peLib.ObjInt();
ch = peLib.ObjChar();
if (ch != ',')
peLib.ObjError(oe_syntax);
int pointerLevel = peLib.ObjInt();
ch = peLib.ObjChar();
if (ch != ',')
peLib.ObjError(oe_syntax);
int pinned = peLib.ObjInt();
ch = peLib.ObjChar();
if (ch != ',')
peLib.ObjError(oe_syntax);
int showType = peLib.ObjInt();
Type* rv = nullptr;
if (tp == cls)
{
std::deque<Type*> generics;
DataContainer* typeref = nullptr;
if (peLib.ObjBegin() == 'c')
{
typeref = Class::ObjIn(peLib, false);
}
else if (peLib.ObjBegin(false) == 'E')
{
typeref = Enum::ObjIn(peLib, false);
}
else
{
peLib.ObjError(oe_syntax);
}
rv = peLib.AllocateType(typeref);
}
else if (tp == method)
{
MethodSignature* methodRef = MethodSignature::ObjIn(peLib, nullptr);
rv = peLib.AllocateType(methodRef);
}
else
{
rv = peLib.AllocateType(tp, 0);
}
if (showType)
rv->ShowType();
rv->Pinned(pinned);
rv->PointerLevel(pointerLevel);
rv->ArrayLevel(arrayLevel);
rv->ByRef(byRef);
if (peLib.ObjEnd() != 't')
peLib.ObjError(oe_syntax);
return rv;
}
else
{
peLib.ObjError(oe_syntax);
}
return nullptr;
}
size_t Type::Render(PELib& peLib, Byte* result)
{
switch (tp_)
{
case cls:
if (typeRef_->InAssemblyRef())
{
typeRef_->PEDump(peLib);
*(int*)result = typeRef_->PEIndex() | (tTypeRef << 24);
}
else
{
if (showType_)
{
if (!peIndex_)
{
size_t sz;
Byte* sig = SignatureGenerator::TypeSig(this, sz);
size_t signature = peLib.PEOut().HashBlob(sig, sz);
delete[] sig;
TypeSpecTableEntry* table = new TypeSpecTableEntry(signature);
peIndex_ = peLib.PEOut().AddTableEntry(table);
}
*(int*)result = peIndex_ | (tTypeSpec << 24);
}
else
{
*(int*)result = typeRef_->PEIndex() | (tTypeDef << 24);
}
}
return 4;
break;
case method:
default: {
if (!peIndex_)
{
// if rendering a method as a type we are always going to put the sig
// in the type spec table
size_t sz;
Byte* sig = SignatureGenerator::TypeSig(this, sz);
size_t signature = peLib.PEOut().HashBlob(sig, sz);
delete[] sig;
TypeSpecTableEntry* table = new TypeSpecTableEntry(signature);
peIndex_ = peLib.PEOut().AddTableEntry(table);
}
*(int*)result = peIndex_ | (tTypeSpec << 24);
return 4;
}
break;
}
return true;
}
bool BoxedType::ILSrcDump(PELib& peLib) const
{
// no point in looking up the type name in the assembly for this...
peLib.Out() << "[" << peLib.GetRuntimeName() << "]System." << typeNames_[tp_];
return true;
}
void BoxedType::ObjOut(PELib& peLib, int pass) const { peLib.Out() << std::endl << "$Bb" << tp_ << std::endl << "$Be"; }
BoxedType* BoxedType::ObjIn(PELib& peLib)
{
Type::BasicType type = (Type::BasicType)peLib.ObjInt();
return peLib.AllocateBoxedType(type);
}
size_t BoxedType::Render(PELib& peLib, Byte* result)
{
if (!peIndex_)
{
size_t system = peLib.PEOut().SystemName();
size_t name = peLib.PEOut().HashString(typeNames_[tp_]);
AssemblyDef* assembly = peLib.LoadRuntimeAssembly();
void* result = nullptr;
peLib.Find(std::string("System.") + typeNames_[tp_], &result, nullptr, assembly);
if (result)
{
static_cast<Class*>(result)->PEDump(peLib);
peIndex_ = static_cast<Class*>(result)->PEIndex();
}
}
*(int*)result = peIndex_ | (tTypeRef << 24);
return 4;
}
} // namespace DotNetPELib