public static Symbol Unary(MiddleOperator middleOp, Symbol symbol)
{
Type type = symbol.Type;
switch (middleOp)
{
case MiddleOperator.Address:
if (symbol.Value is StaticValue) // &a[i], &s.i
{
StaticValue staticValue = (StaticValue)symbol.Value;
StaticAddress staticAddress =
new StaticAddress(staticValue.UniqueName, staticValue.Offset);
return(new Symbol(new Type(type), staticAddress));
}
else if (symbol.IsExternOrStatic()) // &i
{
StaticAddress staticAddress =
new StaticAddress(symbol.UniqueName, 0);
return(new Symbol(new Type(type), staticAddress));
}
break;
}
return(null);
}
/*private static Expression GenerateIndex(Symbol symbol,
* BigInteger value) {
* int offset = ((int) value) * symbol.Type.ArrayType.Size();
* StaticValue resultValue;
*
* if (symbol.Value is StaticAddress) {
* StaticAddress staticAddress = (StaticAddress) symbol.Value;
* resultValue = new StaticValue(staticAddress.UniqueName,
* staticAddress.Offset + offset);
* }
* else {
* resultValue = new StaticValue(symbol.UniqueName, offset);
* }
*
* Symbol resultSymbol = new Symbol(symbol.Type, resultValue);
* return (new Expression(resultSymbol, null, null));
* }*/
public static Expression Unary(MiddleOperator middleOp, Expression expression)
{
Symbol symbol = expression.Symbol;
switch (middleOp)
{
case MiddleOperator.Address:
if (symbol.Value is StaticValue) // &a[i], &s.i
{
StaticValue staticValue = (StaticValue)symbol.Value;
StaticAddress staticAddress =
new StaticAddress(staticValue.UniqueName, staticValue.Offset);
Symbol resultSymbol =
new Symbol(new Type(symbol.Type), staticAddress);
return(new Expression(resultSymbol, null, null));
}
else if (symbol.IsExternOrStatic()) // &i
{
StaticAddress staticAddress =
new StaticAddress(symbol.UniqueName, 0);
Symbol resultSymbol =
new Symbol(new Type(symbol.Type), staticAddress);
return(new Expression(resultSymbol, null, null));
}
break;
case MiddleOperator.Dereference:
if (symbol.Value is StaticAddress)
{
StaticAddress staticAddress = (StaticAddress)symbol.Value;
StaticValue staticValue =
new StaticValue(staticAddress.UniqueName, staticAddress.Offset);
Symbol resultSymbol =
new Symbol(new Type(symbol.Type), staticValue);
return(new Expression(resultSymbol, null, null));
}
break;
}
return(null);
}
private static Expression GenerateAddition(Symbol symbol,
BigInteger value)
{
int offset = ((int)value) * symbol.Type.PointerOrArrayType.Size();
StaticAddress resultValue;
if (symbol.Value is StaticAddress)
{
StaticAddress staticAddress = (StaticAddress)symbol.Value;
resultValue = new StaticAddress(staticAddress.UniqueName,
staticAddress.Offset + offset);
}
else
{
resultValue = new StaticAddress(symbol.UniqueName, offset);
}
Symbol resultSymbol = new Symbol(symbol.Type, resultValue);
return(new Expression(resultSymbol, null, null));
}
public static List <MiddleCode> GenerateStatic(Type toType,
object fromInitializer)
{
List <MiddleCode> codeList = new List <MiddleCode>();
if (fromInitializer is Expression)
{
Expression fromExpression = (Expression)fromInitializer;
Symbol fromSymbol = fromExpression.Symbol;
Assert.Error(fromSymbol.IsExternOrStatic(), fromSymbol,
Message.Non__static_initializer);
Type fromType = fromSymbol.Type;
if (toType.IsArray() && toType.ArrayType.IsChar() &&
fromType.IsString())
{
string text = (string)fromSymbol.Value;
if (toType.ArraySize == 0)
{
toType.ArraySize = text.Length + 1;
}
else
{
Assert.Error(text.Length < toType.ArraySize, toType,
Message.Too_many_initializers_in_array);
}
codeList.Add(new MiddleCode(MiddleOperator.Initializer,
fromSymbol.Type.Sort, text));
}
else if (toType.IsPointer() && fromType.IsArrayFunctionOrString())
{
Assert.ErrorXXX((fromType.IsString() && toType.PointerType.IsChar()) ||
(fromType.IsArray() &&
fromType.ArrayType.Equals(toType.PointerType)) ||
(fromType.IsFunction() &&
fromType.Equals(toType.PointerType)));
StaticAddress staticAddress =
new StaticAddress(fromSymbol.UniqueName, 0);
codeList.Add(new MiddleCode(MiddleOperator.Initializer,
toType.Sort, staticAddress));
}
else
{
Expression toExpression =
TypeCast.ImplicitCast(fromExpression, toType);
Symbol toSymbol = toExpression.Symbol;
Assert.Error(toSymbol.Value != null, toSymbol,
Message.Non__constant_expression);
codeList.Add(new MiddleCode(MiddleOperator.Initializer,
toSymbol.Type.Sort, toSymbol.Value));
}
}
else
{
List <object> fromList = (List <object>)fromInitializer;
switch (toType.Sort)
{
case Sort.Array: {
fromList = ModifyInitializer.ModifyArray(toType, fromList);
if (toType.ArraySize == 0)
{
toType.ArraySize = fromList.Count;
}
else
{
Assert.Error(fromList.Count <= toType.ArraySize,
toType, Message.Too_many_initializers_in_array);
}
foreach (object value in fromList)
{
codeList.AddRange(GenerateStatic(toType.ArrayType, value));
}
int restSize = toType.Size() -
(fromList.Count * toType.ArrayType.Size());
if (restSize > 0)
{
codeList.Add(new MiddleCode(MiddleOperator.InitializerZero,
restSize));
}
}
break;
case Sort.Struct: {
List <Symbol> memberList = toType.MemberList;
Assert.Error(fromList.Count <= memberList.Count, toType,
Message.Too_many_initializers_in_struct);
int initSize = 0;
for (int index = 0; index < fromList.Count; ++index)
{
Symbol memberSymbol = memberList[index];
codeList.AddRange(GenerateStatic(memberSymbol.Type,
fromList[index]));
initSize += memberSymbol.Type.Size();
}
int restSize = toType.Size() - initSize;
if (restSize > 0)
{
codeList.Add(new MiddleCode(MiddleOperator.InitializerZero,
restSize));
}
}
break;
case Sort.Union: {
List <Symbol> memberList = toType.MemberList;
Assert.Error(fromList.Count == 1, toType,
Message.Only_one_Initlizer_allowed_in_unions);
Symbol memberSymbol = memberList[0];
codeList.AddRange(GenerateStatic(memberSymbol.Type,
fromList[0]));
int restSize = toType.Size() - memberSymbol.Type.Size();
if (restSize > 0)
{
codeList.Add(new MiddleCode(MiddleOperator.InitializerZero,
restSize));
}
}
break;
default:
Assert.Error(toType, Message.
Only_array_struct_or_union_can_be_initialized_by_a_list);
break;
}
}
return(codeList);
}
public List <byte> ByteList()
{
object operand0 = m_operandArray[0],
operand1 = m_operandArray[1],
operand2 = m_operandArray[2];
if ((Operator == AssemblyOperator.empty) ||
(Operator == AssemblyOperator.label) ||
(Operator == AssemblyOperator.comment))
{
return(new List <byte>());
}
else if (Operator == AssemblyOperator.define_address)
{
int offset = (int)operand1;
List <byte> byteList = new List <byte>(new byte[TypeSize.PointerSize]);
AssemblyCode.LoadByteList(byteList, 0, TypeSize.PointerSize,
(BigInteger)offset);
return(byteList);
}
else if (Operator == AssemblyOperator.define_zero_sequence)
{
int size = (int)operand0;
return(new List <byte>(new byte[size]));
}
else if (Operator == AssemblyOperator.define_value)
{
Sort sort = (Sort)operand0;
object value = operand1;
if (sort == Sort.Pointer)
{
List <byte> byteList = new List <byte>(new byte[TypeSize.PointerSize]);
if (value is string)
{
AssemblyCode.LoadByteList(byteList, 0, TypeSize.PointerSize,
BigInteger.Zero);
}
else if (value is StaticAddress)
{
StaticAddress staticAddress = (StaticAddress)value;
int offset = staticAddress.Offset;
AssemblyCode.LoadByteList(byteList, 0, TypeSize.PointerSize,
(BigInteger)offset);
}
else
{
AssemblyCode.LoadByteList(byteList, 0, TypeSize.PointerSize,
(BigInteger)value);
}
return(byteList);
}
else if (sort == Sort.Float)
{
float floatValue = (float)((decimal)operand0);
return(new List <byte>(BitConverter.GetBytes(floatValue)));
}
else if ((sort == Sort.Double) || (sort == Sort.Long_Double))
{
double doubleValue = (double)((decimal)value);
return(new List <byte>(BitConverter.GetBytes(doubleValue)));
}
else if (sort == Sort.String)
{
string text = (string)value;
List <byte> byteList = new List <byte>();
foreach (char c in text)
{
byteList.Add((byte)c);
}
byteList.Add((byte)0);
return(byteList);
}
else
{
int size = TypeSize.Size(sort);
List <byte> byteList = new List <byte>(new byte[size]);
AssemblyCode.LoadByteList(byteList, 0, size, (BigInteger)value);
return(byteList);
}
}
else if (IsJumpRegister() || IsCallRegister())
{
Register register = (Register)operand0;
return(LookupByteArray(AssemblyOperator.jmp, register));
}
else if (IsCallNotRegister())
{
List <byte> byteList =
LookupByteArray(AssemblyOperator.jmp, TypeSize.PointerSize);
LoadByteList(byteList, byteList.Count - TypeSize.PointerSize,
TypeSize.PointerSize, 0);
return(byteList);
}
else if (Operator == AssemblyOperator.return_address)
{
Register register = (Register)operand0;
int offset = (int)operand1;
int size = SizeOfValue(offset);
int address = (int)((BigInteger)operand2);
List <byte> byteList =
LookupByteArray(AssemblyOperator.mov_word, register,
size, TypeSize.PointerSize);
LoadByteList(byteList, byteList.Count - (size + TypeSize.PointerSize),
size, offset);
LoadByteList(byteList, byteList.Count - TypeSize.PointerSize,
TypeSize.PointerSize, address);
return(byteList);
}
else if (IsRelationNotRegister() || IsJumpNotRegister())
{
int address = (int)operand0;
int size = ((address >= -128) && (address <= 127)) ? 1 : 2;
List <byte> byteList = LookupByteArray(Operator, size);
LoadByteList(byteList, byteList.Count - size, size, address);
return(byteList);
}
// mov ax, bx
else if ((operand0 is Register) && (operand1 is Register) && (operand2 == null))
{
Register toRegister = (Register)operand0,
fromRegister = (Register)operand1;
return(LookupByteArray(Operator, toRegister, fromRegister));
}
// mov ax, global
else if ((operand0 is Register) && (operand1 is string) && (operand2 == null))
{
Register register = (Register)operand0;
int size = SizeOfRegister(register);
List <byte> byteList = LookupByteArray(Operator, register, size);
LoadByteList(byteList, byteList.Count - size, size, 0);
return(byteList);
}
// mov ax, 123
else if ((operand0 is Register) && (operand1 is BigInteger) && (operand2 == null))
{
Register register = (Register)operand0;
BigInteger value = (BigInteger)operand1;
int size = ((Operator == AssemblyOperator.mov) ||
(Operator == AssemblyOperator.and))
? SizeOfRegister(register) : SizeOfValue(value);
List <byte> byteList = LookupByteArray(Operator, register, size);
LoadByteList(byteList, byteList.Count - size, size, value);
return(byteList);
}
/*// cmp global, bx
* else if (((operand0 is string) || (operand0 == null)) &&
* (operand1 is Register) && (operand2 == null)) {
* Assert.ErrorXXX(Operator == AssemblyOperator.cmp);
* Register fromRegister = (Register) operand1;
* List<byte> byteList = LookupByteArray(Operator, null, fromRegister);
* return byteList;
* }
*
* // cmp global, 123
* else if (((operand0 is string) || (operand0 == null)) &&
* (operand1 is BigInteger) && (operand2 == null)) {
* Assert.ErrorXXX(Operator == AssemblyOperator.cmp);
* BigInteger value = (BigInteger) operand1;
* int size = SizeOfValue(value);
* List<byte> byteList = LookupByteArray(Operator, null, size);
* LoadByteList(byteList, byteList.Count - size, size, value);
* return byteList;
* }
*
* // cmp global, global
* else if (((operand0 is string) || (operand0 == null)) &&
* ((operand1 is string) || (operand1 == null)) &&
* (operand2 == null)) {
* Assert.ErrorXXX(Operator == AssemblyOperator.cmp);
* return LookupByteArray(Operator, TypeSize.PointerSize, TypeSize.PointerSize);
* }*/
// mov [bp + 2], ax
else if ((operand0 is Register) && (operand1 is int) &&
(operand2 is Register))
{
Register baseRegister = (Register)operand0,
fromRegister = (Register)operand2;
int offset = (int)operand1;
int size = SizeOfValue(offset);
List <byte> byteList =
LookupByteArray(Operator, baseRegister, size, fromRegister);
LoadByteList(byteList, byteList.Count - size, size, offset);
return(byteList);
}
// mov [bp + 2], global
else if ((operand0 is Register) && (operand1 is int) &&
(operand2 is string))
{
Register baseRegister = (Register)operand0;
int offset = (int)operand1;
int offsetSize = SizeOfValue(offset);
List <byte> byteList =
LookupByteArray(Operator, baseRegister, offsetSize,
TypeSize.PointerSize);
LoadByteList(byteList, byteList.Count -
(offsetSize + TypeSize.PointerSize), offsetSize, offset);
LoadByteList(byteList, byteList.Count - TypeSize.PointerSize,
TypeSize.PointerSize, 0);
return(byteList);
}
// mov [bp + 2], 123
else if ((operand0 is Register) && (operand1 is int) &&
(operand2 is BigInteger))
{
Register baseRegister = (Register)operand0;
int offset = (int)operand1;
BigInteger value = (BigInteger)operand2;
int offsetSize = SizeOfValue(offset),
valueSize = SizeOfValue(value, Operator);
List <byte> byteList =
LookupByteArray(Operator, baseRegister, offsetSize, valueSize);
LoadByteList(byteList, byteList.Count - (offsetSize + valueSize),
offsetSize, offset);
LoadByteList(byteList, byteList.Count - valueSize,
valueSize, value);
return(byteList);
}
// mov [global + 4], ax
else if (((operand0 is string) || (operand0 == null)) &&
(operand1 is int) && (operand2 is Register))
{
int offset = (int)operand1;
Register fromRegister = (Register)operand2;
List <byte> byteList =
LookupByteArray(Operator, null, TypeSize.PointerSize, fromRegister);
LoadByteList(byteList, byteList.Count - TypeSize.PointerSize,
TypeSize.PointerSize, offset);
return(byteList);
}
// mov [global + 4], 123
else if (((operand0 is string) || (operand0 == null)) &&
(operand1 is int) && (operand2 is BigInteger))
{
int offset = (int)operand1;
BigInteger value = (BigInteger)operand2;
int valueSize = SizeOfValue(value, Operator);
List <byte> byteList =
LookupByteArray(Operator, null, TypeSize.PointerSize, valueSize);
LoadByteList(byteList, byteList.Count - (TypeSize.PointerSize +
valueSize), TypeSize.PointerSize, offset);
LoadByteList(byteList, byteList.Count - valueSize,
valueSize, value);
return(byteList);
}
// mov ax, [bp + 2]
else if ((operand0 is Register) && (operand1 is Register) &&
(operand2 is int))
{
Register toRegister = (Register)operand0,
baseRegister = (Register)operand1;
int offset = (int)operand2;
int size = SizeOfValue(offset);
List <byte> byteList =
LookupByteArray(Operator, toRegister, baseRegister, size);
LoadByteList(byteList, byteList.Count - size, size, offset);
return(byteList);
}
/*// cmp global, [bp + 2]
* else if (((operand0 is string) || (operand0 == null)) &&
* (operand1 is Register) && (operand2 is int)) {
* Assert.ErrorXXX(Operator == AssemblyOperator.cmp);
* Register baseRegister = (Register) operand1;
* int offset = (int) operand2;
* int size = SizeOfValue(offset);
* List<byte> byteList =
* LookupByteArray(Operator, null, baseRegister, size);
* LoadByteList(byteList, byteList.Count - size, size, offset);
* return byteList;
* }*/
// mov ax, [global + 4]
else if ((operand0 is Register) && ((operand1 is string) ||
(operand1 == null)) && (operand2 is int))
{
Register toRegister = (Register)operand0;
int offset = (int)operand2;
List <byte> byteList =
LookupByteArray(Operator, toRegister, null, TypeSize.PointerSize);
LoadByteList(byteList, byteList.Count - TypeSize.PointerSize,
TypeSize.PointerSize, offset);
return(byteList);
}
/*// cmp global, [global + 4]
* else if (((operand0 is string) || (operand0 == null)) &&
* ((operand1 is string) || (operand1 == null)) &&
* (operand2 is int)) {
* int offset = (int) operand2;
* List<byte> byteList =
* LookupByteArray(Operator, null, null, TypeSize.PointerSize);
* LoadByteList(byteList, byteList.Count - TypeSize.PointerSize,
* TypeSize.PointerSize, offset);
* return byteList;
* }*/
// inc ax
else if ((operand0 is Register) && (operand1 == null) && (operand2 == null))
{
Register register = (Register)operand0;
return(LookupByteArray(Operator, register));
}
// int 33
else if ((operand0 is BigInteger) && (operand1 == null) && (operand2 == null))
{
BigInteger value = (BigInteger)operand0;
int size = SizeOfValue(value);
List <byte> byteList = LookupByteArray(Operator, size);
LoadByteList(byteList, byteList.Count - size, size, value);
return(byteList);
}
// inc [bp + 2]
else if ((operand0 is Register) && (operand1 is int) && (operand2 == null))
{
Register baseRegister = (Register)operand0;
int offset = (int)operand1;
int size = SizeOfValue(offset);
List <byte> byteList = LookupByteArray(Operator, baseRegister, size);
LoadByteList(byteList, byteList.Count - size, size, offset);
return(byteList);
}
// inc [global + 4]
else if (((operand0 is string) || (operand0 == null)) &&
(operand1 is int) && (operand2 == null))
{
int offset = (int)operand1;
List <byte> byteList =
LookupByteArray(Operator, null, TypeSize.PointerSize);
LoadByteList(byteList, byteList.Count - TypeSize.PointerSize,
TypeSize.PointerSize, offset);
return(byteList);
}
// lahf
else if ((operand0 == null) && (operand1 == null) &&
(operand2 == null))
{
return(LookupByteArray(Operator));
}
Assert.ErrorXXX(false);
return(null);
}
public static Expression Binary(MiddleOperator middleOp,
Expression leftExpression,
Expression rightExpression)
{
Type leftType = leftExpression.Symbol.Type,
rightType = rightExpression.Symbol.Type;
object leftValue = leftExpression.Symbol.Value,
rightValue = rightExpression.Symbol.Value;
switch (middleOp)
{
case MiddleOperator.BinaryAdd: // &i + 2
if ((leftValue is StaticAddress) && (rightValue is BigInteger))
{
StaticAddress staticAddress = (StaticAddress)leftValue;
int resultOffset =
((int)rightValue) * leftType.PointerType.Size();
object resultValue =
new StaticAddress(staticAddress.UniqueName,
staticAddress.Offset + resultOffset);
Symbol resultSymbol = new Symbol(leftType, resultValue);
return(new Expression(resultSymbol, null, null));
}
// 2 + &i
if ((leftValue is BigInteger) && (rightValue is StaticAddress))
{
StaticAddress staticAddress = (StaticAddress)rightValue;
int resultOffset =
((int)leftValue) * rightType.PointerType.Size();
object resultValue =
new StaticAddress(staticAddress.UniqueName,
staticAddress.Offset + resultOffset);
Symbol resultSymbol = new Symbol(rightType, resultValue);
return(new Expression(resultSymbol, null, null));
}
if (leftExpression.Symbol.IsExternOrStatic() && leftType.IsArray() &&
(rightValue is BigInteger)) // a + 2
{
int resultOffset = ((int)rightValue) * leftType.ArrayType.Size();
object resultValue =
new StaticAddress(leftExpression.Symbol.UniqueName,
resultOffset);
Symbol resultSymbol = new Symbol(leftType, resultValue);
return(new Expression(resultSymbol, null, null));
}
if (leftExpression.Symbol.IsExternOrStatic() &&
(leftValue is BigInteger) && rightType.IsArray()) // 2 + a
{
int resultOffset = ((int)leftValue) * rightType.ArrayType.Size();
object resultValue =
new StaticAddress(rightExpression.Symbol.UniqueName,
resultOffset);
Symbol resultSymbol = new Symbol(rightType, resultValue);
return(new Expression(resultSymbol, null, null));
}
break;
case MiddleOperator.BinarySubtract: // &i - 2
if ((leftValue is StaticAddress) && (rightValue is BigInteger))
{
StaticAddress staticAddress = (StaticAddress)leftValue;
int resultOffset = ((int)leftValue) * leftType.PointerType.Size();
object resultValue =
new StaticAddress(staticAddress.UniqueName,
staticAddress.Offset - resultOffset);
Symbol resultSymbol = new Symbol(leftType, resultValue);
return(new Expression(resultSymbol, null, null));
}
if (leftExpression.Symbol.IsExternOrStatic() && leftType.IsArray() &&
(rightValue is BigInteger)) // a - 2
{
int resultOffset = ((int)rightValue) * leftType.ArrayType.Size();
object resultValue =
new StaticAddress(leftExpression.Symbol.UniqueName,
-resultOffset);
Symbol resultSymbol = new Symbol(leftType, resultValue);
return(new Expression(resultSymbol, null, null));
}
break;
case MiddleOperator.Index:
if (leftExpression.Symbol.IsExternOrStatic() && leftType.IsArray() &&
(rightValue is BigInteger)) // a[2]
{
int size = leftType.ArrayType.Size();
int offset = ((int)((BigInteger)rightValue)) * size;
StaticValue resultValue =
new StaticValue(leftExpression.Symbol.UniqueName, offset);
Symbol resultSymbol = new Symbol(leftType, resultValue);
resultSymbol.Addressable = !leftExpression.Symbol.IsRegister() &&
!leftType.ArrayType.IsBitfield();
resultSymbol.Assignable =
!leftType.ArrayType.IsConstantRecursive() &&
!leftType.ArrayType.IsArrayFunctionOrString();
return(new Expression(resultSymbol, null, null));
}
else if ((leftValue is BigInteger) && rightType.IsArray() &&
rightExpression.Symbol.IsExternOrStatic()) // [2]a
{
int size = rightType.ArrayType.Size();
int offset = ((int)((BigInteger)leftValue)) * size;
StaticValue resultValue =
new StaticValue(rightExpression.Symbol.UniqueName, offset);
Symbol resultSymbol = new Symbol(rightType, resultValue);
resultSymbol.Addressable = !leftExpression.Symbol.IsRegister() &&
!leftType.ArrayType.IsBitfield();
resultSymbol.Assignable =
!leftType.ArrayType.IsConstantRecursive() &&
!leftType.ArrayType.IsArrayFunctionOrString();
return(new Expression(resultSymbol, null, null));
}
break;
case MiddleOperator.Dot:
if (leftExpression.Symbol.IsExternOrStatic())
{
object resultValue =
new StaticValue(leftExpression.Symbol.UniqueName,
rightExpression.Symbol.Offset); // s.i
Symbol resultSymbol = new Symbol(leftType, resultValue);
return(new Expression(resultSymbol, null, null));
}
break;
}
return(null);
}
private Expression Generate(StaticAddress staticAddress, BigInteger offset)
{
return(null);
}
public static void GenerateByteList(Type type, object value, List <sbyte> sbyteList,
IDictionary <int, string> accessMap)
{
if (type.IsString())
{
foreach (char c in ((string)value))
{
sbyteList.Add((sbyte)c);
}
sbyteList.Add((sbyte)0);
}
else if (value is StaticAddress)
{
StaticAddress staticAddress = (StaticAddress)value;
accessMap[sbyteList.Count] = staticAddress.UniqueName;
sbyteList.Add((sbyte)((short)staticAddress.Offset));
sbyteList.Add((sbyte)(((short)staticAddress.Offset) >> 8));
}
else if (value is StaticValue)
{
StaticValue staticValue = (StaticValue)value;
foreach (KeyValuePair <int, string> pair in staticValue.AccessMap)
{
accessMap[pair.Key + sbyteList.Count] = pair.Value;
}
sbyteList.AddRange(staticValue.ByteList);
}
else
{
switch (type.Sort)
{
case Sort.Signed_Short_Int:
case Sort.Unsigned_Short_Int: {
sbyteList.Add((sbyte)((long)value));
}
break;
case Sort.Signed_Char:
case Sort.Unsigned_Char: {
sbyteList.Add((sbyte)((long)value));
}
break;
case Sort.Signed_Int:
case Sort.Unsigned_Int:
case Sort.Pointer: {
long longValue = (long)value;
sbyteList.Add((sbyte)longValue);
sbyteList.Add((sbyte)(longValue >> 8));
}
break;
case Sort.Signed_Long_Int:
case Sort.Unsigned_Long_Int: {
long longValue = (long)value;
sbyteList.Add((sbyte)longValue);
sbyteList.Add((sbyte)(longValue >> 8));
sbyteList.Add((sbyte)(longValue >> 16));
sbyteList.Add((sbyte)(longValue >> 24));
}
break;
case Sort.Float: {
float floatValue = (float)((decimal)value);
byte[] byteArray = BitConverter.GetBytes(floatValue);
foreach (byte b in byteArray)
{
sbyteList.Add((sbyte)b);
}
}
break;
case Sort.Double:
case Sort.Long_Double: {
double doubleValue = (double)((decimal)value);
byte[] byteArray = BitConverter.GetBytes(doubleValue);
foreach (byte b in byteArray)
{
sbyteList.Add((sbyte)b);
}
}
break;
}
}
}
public static void GenerateStatic(Type toType, object fromInit,
List <sbyte> byteList, IDictionary <int, string> accessMap)
{
if (fromInit is Expression)
{
Symbol fromSymbol = ((Expression)fromInit).Symbol();
Assert.Error(fromSymbol.IsStaticOrExtern(), fromSymbol,
Message.Non__static_initializer);
Type fromType = fromSymbol.Type;
if (toType.IsArray() && fromType.IsString())
{
Assert.Error(toType.ArrayType.IsChar());
fromInit = TextToCharList((string)fromSymbol.Value);
}
if (fromType.IsArrayFunctionOrString() && toType.IsPointer())
{
Assert.Error((fromType.IsString() && toType.PointerType.IsChar()) ||
(fromType.IsArray() && fromType.ArrayType.Equals(toType.PointerType)) ||
(fromType.IsFunction() && fromType.Equals(toType.PointerType)));
accessMap[byteList.Count] = fromSymbol.UniqueName;
byteList.Add((sbyte)0);
byteList.Add((sbyte)0);
}
else if (fromSymbol.Value is StaticAddress)
{
Assert.Error(fromType.IsPointer() && toType.IsPointer());
StaticAddress staticAddress = (StaticAddress)fromSymbol.Value;
accessMap[byteList.Count] = staticAddress.UniqueName;
byteList.Add((sbyte)staticAddress.Offset);
byteList.Add((sbyte)(staticAddress.Offset >> 8));
}
else if (fromSymbol.Value is StaticValue)
{
Assert.Error(fromType.Equals(toType));
StaticValue staticValue = (StaticValue)fromSymbol.Value;
foreach (KeyValuePair <int, string> entry in staticValue.AccessMap)
{
accessMap[byteList.Count + entry.Key] = entry.Value;
}
byteList.AddRange(staticValue.ByteList);
}
else
{
Symbol toSymbol = TypeCast.ImplicitCast(null, fromSymbol, toType);
foreach (KeyValuePair <int, string> entry in toSymbol.StaticSymbol.AccessMap)
{
accessMap[byteList.Count + entry.Key] = entry.Value;
}
byteList.AddRange(toSymbol.StaticSymbol.ByteList);
}
}
else
{
List <object> fromList = (List <object>)fromInit;
switch (toType.Sort)
{
case Sort.Array: {
if (toType.ArraySize == 0)
{
toType.ArraySize = fromList.Count;
}
int toByteListSize = byteList.Count + toType.Size();
Assert.Error(fromList.Count <= toType.ArraySize, toType, Message.Too_many_initializers);
//Assert.Warning(fromList.Count == toType.ArraySize, toType, Message.Too_few_initializers);
Type subType = toType.ArrayType;
foreach (object value in fromList)
{
GenerateStatic(subType, value, byteList, accessMap);
}
GenerateZeroByteList(toByteListSize - byteList.Count, byteList);
}
break;
case Sort.Struct: {
IDictionary <string, Symbol> memberMap = toType.MemberMap;
Assert.Error(fromList.Count <= memberMap.Count,
toType, Message.Too_many_initializers);
/*Assert.Warning(fromList.Count == memberMap.Count,
* toType, Message.Too_few_initializers);*/
int toByteListSize = byteList.Count + toType.Size();
KeyValuePair <string, Symbol>[] memberArray = new KeyValuePair <string, Symbol> [memberMap.Count];
memberMap.CopyTo(memberArray, 0);
for (int index = 0; index < fromList.Count; ++index)
{
Symbol memberSymbol = memberArray[index].Value;
object init = ModifyInitializer.DoInit(memberSymbol.Type, fromList[index]);
GenerateStatic(memberSymbol.Type, init, byteList, accessMap);
}
GenerateZeroByteList(toByteListSize - byteList.Count, byteList);
}
break;
case Sort.Union: {
Assert.Error(fromList.Count == 1, toType, Message.A_union_can_be_initalized_by_one_value_only);
int toByteListSize = byteList.Count + toType.Size();
IDictionary <string, Symbol> memberMap = toType.MemberMap;
Symbol firstSymbol = memberMap.Values.GetEnumerator().Current;
object init = ModifyInitializer.DoInit(firstSymbol.Type, fromList[0]);
GenerateStatic(firstSymbol.Type, init, byteList, accessMap);
GenerateZeroByteList(toByteListSize - byteList.Count, byteList);
}
break;
}
}
}
