static void DumpAligns(TextWriter writer, ParserTargetInfo target)
{
var aligns = new[]
{
new { Name = "gint8", Align = target.CharAlign },
new { Name = "gint16", Align = target.ShortAlign },
new { Name = "gint32", Align = target.IntAlign },
new { Name = "gint64", Align = GetTypeAlign(target, target.Int64Type) },
new { Name = "float", Align = target.FloatAlign },
new { Name = "double", Align = target.DoubleAlign },
new { Name = "gpointer", Align = GetTypeAlign(target, target.IntPtrType) },
};
// Write the alignment info for the basic types.
foreach (var align in aligns)
{
writer.WriteLine("DECL_ALIGN2({0},{1})", align.Name, align.Align / 8);
}
}
static void Dump(ASTContext ctx, ParserTargetInfo targetInfo, Target target)
{
var targetFile = target.Triple;
if (!string.IsNullOrEmpty(OutputDir))
{
targetFile = Path.Combine(OutputDir, targetFile);
}
targetFile += ".h";
using (var writer = new StreamWriter(targetFile))
//using (var writer = Console.Out)
{
writer.WriteLine("#ifndef USED_CROSS_COMPILER_OFFSETS");
writer.WriteLine("#ifdef {0}", target.Defines[0]);
writer.WriteLine("#ifdef {0}", GetTargetPlatformDefine(target.Platform));
writer.WriteLine("#ifndef HAVE_BOEHM_GC");
writer.WriteLine("#define HAS_CROSS_COMPILER_OFFSETS");
writer.WriteLine("#if defined (USE_CROSS_COMPILE_OFFSETS) || defined (MONO_CROSS_COMPILE)");
writer.WriteLine("#if !defined (DISABLE_METADATA_OFFSETS)");
writer.WriteLine("#define USED_CROSS_COMPILER_OFFSETS");
DumpAligns(writer, targetInfo);
DumpSizes(writer, targetInfo);
DumpMetadataOffsets(writer, ctx, target);
writer.WriteLine("#endif //disable metadata check");
DumpJITOffsets(writer, ctx);
writer.WriteLine("#endif //cross compiler checks");
writer.WriteLine("#endif //gc check");
writer.WriteLine("#endif //os check");
writer.WriteLine("#endif //arch check");
writer.WriteLine("#endif //USED_CROSS_COMPILER_OFFSETS check");
}
Console.WriteLine("Generated offsets file: {0}", targetFile);
}
static void DumpSizes(TextWriter writer, ParserTargetInfo target)
{
var sizes = new[]
{
new { Name = "gint8", Size = target.CharWidth},
new { Name = "gint16", Size = target.ShortWidth},
new { Name = "gint32", Size = target.IntWidth},
new { Name = "gint64", Size = GetTypeSize(target, target.Int64Type)},
new { Name = "float", Size = target.FloatWidth},
new { Name = "double", Size = target.DoubleWidth},
new { Name = "gpointer", Size = GetTypeSize(target, target.IntPtrType)},
};
// Write the size info for the basic types.
foreach (var size in sizes)
writer.WriteLine("DECL_SIZE2({0},{1})", size.Name, size.Size / 8);
}
static void DumpAligns(TextWriter writer, ParserTargetInfo target)
{
var aligns = new[]
{
new { Name = "gint8", Align = target.CharAlign},
new { Name = "gint16", Align = target.ShortAlign},
new { Name = "gint32", Align = target.IntAlign},
new { Name = "gint64", Align = GetTypeAlign(target, target.Int64Type)},
new { Name = "float", Align = target.FloatAlign},
new { Name = "double", Align = target.DoubleAlign},
new { Name = "gpointer", Align = GetTypeAlign(target, target.IntPtrType)},
};
// Write the alignment info for the basic types.
foreach (var align in aligns)
writer.WriteLine("DECL_ALIGN2({0},{1})", align.Name, align.Align / 8);
}
static void Dump(ASTContext ctx, ParserTargetInfo targetInfo, Target target)
{
var targetFile = target.Triple;
if (!string.IsNullOrEmpty (OutputDir))
targetFile = Path.Combine (OutputDir, targetFile);
targetFile += ".h";
using (var writer = new StreamWriter(targetFile))
//using (var writer = Console.Out)
{
writer.WriteLine("#ifndef USED_CROSS_COMPILER_OFFSETS");
writer.WriteLine("#ifdef {0}", target.Defines[0]);
writer.WriteLine ("#ifdef {0}", GetTargetPlatformDefine (target.Platform));
writer.WriteLine("#ifndef HAVE_BOEHM_GC");
writer.WriteLine("#define HAS_CROSS_COMPILER_OFFSETS");
writer.WriteLine("#if defined (USE_CROSS_COMPILE_OFFSETS) || defined (MONO_CROSS_COMPILE)");
writer.WriteLine("#if !defined (DISABLE_METADATA_OFFSETS)");
writer.WriteLine("#define USED_CROSS_COMPILER_OFFSETS");
DumpAligns(writer, targetInfo);
DumpSizes(writer, targetInfo);
DumpMetadataOffsets(writer, ctx, target);
writer.WriteLine("#endif //disable metadata check");
DumpJITOffsets(writer, ctx);
writer.WriteLine("#endif //cross compiler checks");
writer.WriteLine("#endif //gc check");
writer.WriteLine("#endif //os check");
writer.WriteLine("#endif //arch check");
writer.WriteLine("#endif //USED_CROSS_COMPILER_OFFSETS check");
}
Console.WriteLine("Generated offsets file: {0}", targetFile);
}
internal static int CalculateOffset(this LayoutField field, LayoutField previousField, ParserTargetInfo targetInfo)
{
var type = field.QualifiedType.Type.Desugar();
var prevFieldSize = previousField.QualifiedType.Type.Desugar().GetWidth(targetInfo) / 8;
var unalignedOffset = previousField.Offset + prevFieldSize;
var alignment = type.GetAlignment(targetInfo) / 8;
if (type is ArrayType arrayType && arrayType.Type.Desugar().IsClass())
{
// We have an array of structs. When we generate this field, we'll transform it into an fixed
// array of bytes to which the elements in the embedded struct array can be bound (via their
// accessors). At that point, the .Net subsystem will have no information in the generated
// class on which to base its own alignment calculation. Consequently, we must generate
// padding. Set alignment to indicate one-byte alignment which is consistent with the "fixed
// byte fieldName[]" we'll eventually generate so that the offset we return here mimics what
// will be the case once the struct[] -> byte[] transformation occurs.
alignment = 1;
}
var alignedOffset = (unalignedOffset + (alignment - 1)) & -alignment;
return((int)alignedOffset);
}
private static void* __CopyValue(ParserTargetInfo.Internal native)
{
var ret = Marshal.AllocHGlobal(176);
CppSharp.Parser.ParserTargetInfo.Internal.cctor_1(ret, new global::System.IntPtr(&native));
return ret.ToPointer();
}
protected ParserTargetInfo(ParserTargetInfo.Internal* native, bool skipVTables = false)
{
if (native == null)
return;
__Instance = new global::System.IntPtr(native);
}
internal ParserTargetInfo(ParserTargetInfo.Internal* native)
: this(new global::System.IntPtr(native))
{
}
protected ParserTargetInfo(ParserTargetInfo.Internal* native, bool isInternalImpl = false)
{
__Instance = new global::System.IntPtr(native);
}
private ParserTargetInfo(ParserTargetInfo.Internal native)
: this(__CopyValue(native))
{
__ownsNativeInstance = true;
NativeToManagedMap[__Instance] = this;
}
public static ParserTargetInfo __CreateInstance(ParserTargetInfo.Internal native)
{
return new ParserTargetInfo(native);
}
private ParserTargetInfo(ParserTargetInfo.Internal native)
: this(__CopyValue(native))
{
__ownsNativeInstance = true;
}
internal static int CalculateOffset(this LayoutField field, LayoutField previousField, ParserTargetInfo targetInfo)
{
var type = field.QualifiedType.Type.Desugar();
var prevFieldSize = previousField.QualifiedType.Type.Desugar().GetWidth(targetInfo) / 8;
var unalignedOffset = previousField.Offset + prevFieldSize;
var alignment = type.GetAlignment(targetInfo) / 8;
var alignedOffset = (unalignedOffset + (alignment - 1)) & -alignment;
return((int)alignedOffset);
}
internal ParserTargetInfo(ParserTargetInfo.Internal native)
: this(&native)
{
}
public static (uint Width, uint Alignment) GetInfo(this PrimitiveType primitive, ParserTargetInfo targetInfo, out bool signed)
{
signed = false;
switch (primitive)
{
case PrimitiveType.Bool:
return(targetInfo.BoolWidth, targetInfo.BoolAlign);
case PrimitiveType.Short:
signed = true;
return(targetInfo.ShortWidth, targetInfo.ShortAlign);
case PrimitiveType.Int:
signed = true;
return(targetInfo.IntWidth, targetInfo.IntAlign);
case PrimitiveType.Long:
signed = true;
return(targetInfo.LongWidth, targetInfo.LongAlign);
case PrimitiveType.LongLong:
signed = true;
return(targetInfo.LongLongWidth, targetInfo.LongLongAlign);
case PrimitiveType.UShort:
return(targetInfo.ShortWidth, targetInfo.ShortAlign);
case PrimitiveType.UInt:
return(targetInfo.IntWidth, targetInfo.IntAlign);
case PrimitiveType.ULong:
return(targetInfo.LongWidth, targetInfo.LongAlign);
case PrimitiveType.ULongLong:
return(targetInfo.LongLongWidth, targetInfo.LongLongAlign);
case PrimitiveType.Char:
signed = true;
return(targetInfo.CharWidth, targetInfo.CharAlign);
case PrimitiveType.UChar:
return(targetInfo.CharWidth, targetInfo.CharAlign);
case PrimitiveType.WideChar:
signed = targetInfo.WCharType.IsSigned();
return(targetInfo.WCharWidth, targetInfo.WCharAlign);
case PrimitiveType.Char16:
signed = targetInfo.Char16Type.IsSigned();
return(targetInfo.Char16Width, targetInfo.Char16Align);
case PrimitiveType.Char32:
signed = targetInfo.Char32Type.IsSigned();
return(targetInfo.Char32Width, targetInfo.Char32Align);
case PrimitiveType.Float:
signed = true;
return(targetInfo.FloatWidth, targetInfo.FloatAlign);
case PrimitiveType.Double:
signed = true;
return(targetInfo.DoubleWidth, targetInfo.DoubleAlign);
case PrimitiveType.LongDouble:
signed = true;
return(targetInfo.LongDoubleWidth, targetInfo.LongDoubleAlign);
case PrimitiveType.Half:
signed = true;
return(targetInfo.HalfWidth, targetInfo.HalfAlign);
case PrimitiveType.Float128:
signed = true;
return(targetInfo.Float128Width, targetInfo.Float128Align);
case PrimitiveType.IntPtr:
case PrimitiveType.UIntPtr:
signed = targetInfo.IntPtrType.IsSigned();
return(targetInfo.PointerWidth, targetInfo.PointerAlign);
default:
throw new NotImplementedException();
}
}
private static ParserTargetInfo.Internal* __CopyValue(ParserTargetInfo.Internal native)
{
var ret = Marshal.AllocHGlobal(176);
CppSharp.Parser.ParserTargetInfo.Internal.cctor_2(ret, new global::System.IntPtr(&native));
return (ParserTargetInfo.Internal*) ret;
}
internal ParserTargetInfo(ParserTargetInfo.Internal native)
: this(__CopyValue(native))
{
}
public static ParserTargetInfo __CreateInstance(ParserTargetInfo.Internal native, bool skipVTables = false)
{
return new ParserTargetInfo(native, skipVTables);
}
static uint GetTypeAlign(ParserTargetInfo target, ParserIntType type)
{
switch (type)
{
case ParserIntType.SignedChar:
case ParserIntType.UnsignedChar:
return target.CharAlign;
case ParserIntType.SignedShort:
case ParserIntType.UnsignedShort:
return target.ShortAlign;
case ParserIntType.SignedInt:
case ParserIntType.UnsignedInt:
return target.IntAlign;
case ParserIntType.SignedLong:
case ParserIntType.UnsignedLong:
return target.LongAlign;
case ParserIntType.SignedLongLong:
case ParserIntType.UnsignedLongLong:
return target.LongLongAlign;
default:
throw new Exception("Type has no alignment");
}
}
private ParserTargetInfo(ParserTargetInfo.Internal native, bool skipVTables = false)
: this(__CopyValue(native), skipVTables)
{
__ownsNativeInstance = true;
NativeToManagedMap[__Instance] = this;
}
static uint GetTypeSize(ParserTargetInfo target, ParserIntType type)
{
switch (type)
{
case ParserIntType.SignedChar:
case ParserIntType.UnsignedChar:
return target.CharWidth;
case ParserIntType.SignedShort:
case ParserIntType.UnsignedShort:
return target.ShortWidth;
case ParserIntType.SignedInt:
case ParserIntType.UnsignedInt:
return target.IntWidth;
case ParserIntType.SignedLong:
case ParserIntType.UnsignedLong:
return target.LongWidth;
case ParserIntType.SignedLongLong:
case ParserIntType.UnsignedLongLong:
return target.LongLongWidth;
default:
throw new Exception("Type has no size");
}
}
