diff options
Diffstat (limited to 'vendor/windows-metadata/src/file')
-rw-r--r-- | vendor/windows-metadata/src/file/mod.rs | 338 | ||||
-rw-r--r-- | vendor/windows-metadata/src/file/reader.rs | 359 | ||||
-rw-r--r-- | vendor/windows-metadata/src/file/table.rs | 57 | ||||
-rw-r--r-- | vendor/windows-metadata/src/file/view.rs | 55 |
4 files changed, 0 insertions, 809 deletions
diff --git a/vendor/windows-metadata/src/file/mod.rs b/vendor/windows-metadata/src/file/mod.rs deleted file mode 100644 index 41a6db920..000000000 --- a/vendor/windows-metadata/src/file/mod.rs +++ /dev/null @@ -1,338 +0,0 @@ -mod reader; -mod table; -mod view; -use super::*; -pub use reader::RowReader; -use std::cmp::Ordering; -use table::Table; -use view::View; -type Result<T> = std::result::Result<T, ()>; - -#[derive(Default)] -pub struct File { - bytes: Vec<u8>, - strings: usize, - blobs: usize, - tables: [Table; 17], -} - -impl File { - pub fn new(bytes: Vec<u8>) -> Option<Self> { - Self::ok(bytes).ok() - } - - fn ok(bytes: Vec<u8>) -> Result<Self> { - let mut result = File { bytes, ..Default::default() }; - - let dos = result.bytes.view_as::<IMAGE_DOS_HEADER>(0)?; - - if dos.e_magic != IMAGE_DOS_SIGNATURE || result.bytes.copy_as::<u32>(dos.e_lfanew as usize)? != IMAGE_NT_SIGNATURE { - return Err(()); - } - - let file_offset = dos.e_lfanew as usize + std::mem::size_of::<u32>(); - let file = result.bytes.view_as::<IMAGE_FILE_HEADER>(file_offset)?; - - let optional_offset = file_offset + std::mem::size_of::<IMAGE_FILE_HEADER>(); - - let (com_virtual_address, sections) = match result.bytes.copy_as::<u16>(optional_offset)? { - IMAGE_NT_OPTIONAL_HDR32_MAGIC => { - let optional = result.bytes.view_as::<IMAGE_OPTIONAL_HEADER32>(optional_offset)?; - (optional.DataDirectory[IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR as usize].VirtualAddress, result.bytes.view_as_slice_of::<IMAGE_SECTION_HEADER>(optional_offset + std::mem::size_of::<IMAGE_OPTIONAL_HEADER32>(), file.NumberOfSections as usize)?) - } - IMAGE_NT_OPTIONAL_HDR64_MAGIC => { - let optional = result.bytes.view_as::<IMAGE_OPTIONAL_HEADER64>(optional_offset)?; - (optional.DataDirectory[IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR as usize].VirtualAddress, result.bytes.view_as_slice_of::<IMAGE_SECTION_HEADER>(optional_offset + std::mem::size_of::<IMAGE_OPTIONAL_HEADER64>(), file.NumberOfSections as usize)?) - } - _ => return Err(()), - }; - - let clr = result.bytes.view_as::<IMAGE_COR20_HEADER>(offset_from_rva(section_from_rva(sections, com_virtual_address)?, com_virtual_address))?; - - if clr.cb != std::mem::size_of::<IMAGE_COR20_HEADER>() as u32 { - return Err(()); - } - - let metadata_offset = offset_from_rva(section_from_rva(sections, clr.MetaData.VirtualAddress)?, clr.MetaData.VirtualAddress); - let metadata = result.bytes.view_as::<METADATA_HEADER>(metadata_offset)?; - - if metadata.signature != METADATA_SIGNATURE { - return Err(()); - } - - // The METADATA_HEADER struct is not a fixed size so have to offset a little more carefully. - let mut view = metadata_offset + metadata.length as usize + 20; - let mut tables_data: (usize, usize) = (0, 0); - - for _ in 0..result.bytes.copy_as::<u16>(metadata_offset + metadata.length as usize + 18)? { - let stream_offset = result.bytes.copy_as::<u32>(view)? as usize; - let stream_len = result.bytes.copy_as::<u32>(view + 4)? as usize; - let stream_name = result.bytes.view_as_str(view + 8)?; - match stream_name { - b"#Strings" => result.strings = metadata_offset + stream_offset, - b"#Blob" => result.blobs = metadata_offset + stream_offset, - b"#~" => tables_data = (metadata_offset + stream_offset, stream_len), - b"#GUID" => {} - b"#US" => {} - rest => unimplemented!("{rest:?}"), - } - let mut padding = 4 - stream_name.len() % 4; - if padding == 0 { - padding = 4; - } - view += 8 + stream_name.len() + padding; - } - - let heap_sizes = result.bytes.copy_as::<u8>(tables_data.0 + 6)?; - let string_index_size = if (heap_sizes & 1) == 1 { 4 } else { 2 }; - let guid_index_size = if (heap_sizes >> 1 & 1) == 1 { 4 } else { 2 }; - let blob_index_size = if (heap_sizes >> 2 & 1) == 1 { 4 } else { 2 }; - let valid_bits = result.bytes.copy_as::<u64>(tables_data.0 + 8)?; - view = tables_data.0 + 24; - - // These tables are unused by the reader, but needed temporarily to calculate sizes and offsets for subsequent tables. - let unused_empty = Table::default(); - let mut unused_assembly = Table::default(); - let mut unused_assembly_os = Table::default(); - let mut unused_assembly_processor = Table::default(); - let mut unused_assembly_ref_os = Table::default(); - let mut unused_assembly_ref_processor = Table::default(); - let mut unused_decl_security = Table::default(); - let mut unused_event = Table::default(); - let mut unused_event_map = Table::default(); - let mut unused_exported_type = Table::default(); - let mut unused_field_layout = Table::default(); - let mut unused_field_marshal = Table::default(); - let mut unused_field_rva = Table::default(); - let mut unused_file = Table::default(); - let mut unused_generic_param_constraint = Table::default(); - let mut unused_manifest_resource = Table::default(); - let mut unused_method_impl = Table::default(); - let mut unused_method_semantics = Table::default(); - let mut unused_method_spec = Table::default(); - let mut unused_property = Table::default(); - let mut unused_property_map = Table::default(); - let mut unused_standalone_sig = Table::default(); - - for i in 0..64 { - if (valid_bits >> i & 1) == 0 { - continue; - } - - let len = result.bytes.copy_as::<u32>(view)? as usize; - view += 4; - - match i { - 0x00 => result.tables[Module::TABLE].len = len, - 0x01 => result.tables[TypeRef::TABLE].len = len, - 0x02 => result.tables[TypeDef::TABLE].len = len, - 0x04 => result.tables[Field::TABLE].len = len, - 0x06 => result.tables[MethodDef::TABLE].len = len, - 0x08 => result.tables[Param::TABLE].len = len, - 0x09 => result.tables[InterfaceImpl::TABLE].len = len, - 0x0a => result.tables[MemberRef::TABLE].len = len, - 0x0b => result.tables[Constant::TABLE].len = len, - 0x0c => result.tables[Attribute::TABLE].len = len, - 0x0d => unused_field_marshal.len = len, - 0x0e => unused_decl_security.len = len, - 0x0f => result.tables[ClassLayout::TABLE].len = len, - 0x10 => unused_field_layout.len = len, - 0x11 => unused_standalone_sig.len = len, - 0x12 => unused_event_map.len = len, - 0x14 => unused_event.len = len, - 0x15 => unused_property_map.len = len, - 0x17 => unused_property.len = len, - 0x18 => unused_method_semantics.len = len, - 0x19 => unused_method_impl.len = len, - 0x1a => result.tables[ModuleRef::TABLE].len = len, - 0x1b => result.tables[TypeSpec::TABLE].len = len, - 0x1c => result.tables[ImplMap::TABLE].len = len, - 0x1d => unused_field_rva.len = len, - 0x20 => unused_assembly.len = len, - 0x21 => unused_assembly_processor.len = len, - 0x22 => unused_assembly_os.len = len, - 0x23 => result.tables[AssemblyRef::TABLE].len = len, - 0x24 => unused_assembly_ref_processor.len = len, - 0x25 => unused_assembly_ref_os.len = len, - 0x26 => unused_file.len = len, - 0x27 => unused_exported_type.len = len, - 0x28 => unused_manifest_resource.len = len, - 0x29 => result.tables[NestedClass::TABLE].len = len, - 0x2a => result.tables[GenericParam::TABLE].len = len, - 0x2b => unused_method_spec.len = len, - 0x2c => unused_generic_param_constraint.len = len, - _ => unreachable!(), - }; - } - - let tables = &result.tables; - let type_def_or_ref = coded_index_size(&[tables[TypeDef::TABLE].len, tables[TypeRef::TABLE].len, tables[TypeSpec::TABLE].len]); - let has_constant = coded_index_size(&[tables[Field::TABLE].len, tables[Param::TABLE].len, unused_property.len]); - let has_field_marshal = coded_index_size(&[tables[Field::TABLE].len, tables[Param::TABLE].len]); - let has_decl_security = coded_index_size(&[tables[TypeDef::TABLE].len, tables[MethodDef::TABLE].len, unused_assembly.len]); - let member_ref_parent = coded_index_size(&[tables[TypeDef::TABLE].len, tables[TypeRef::TABLE].len, tables[ModuleRef::TABLE].len, tables[MethodDef::TABLE].len, tables[TypeSpec::TABLE].len]); - let has_semantics = coded_index_size(&[unused_event.len, unused_property.len]); - let method_def_or_ref = coded_index_size(&[tables[MethodDef::TABLE].len, tables[MemberRef::TABLE].len]); - let member_forwarded = coded_index_size(&[tables[Field::TABLE].len, tables[MethodDef::TABLE].len]); - let implementation = coded_index_size(&[unused_file.len, tables[AssemblyRef::TABLE].len, unused_exported_type.len]); - let custom_attribute_type = coded_index_size(&[tables[MethodDef::TABLE].len, tables[MemberRef::TABLE].len, unused_empty.len, unused_empty.len, unused_empty.len]); - let resolution_scope = coded_index_size(&[tables[Module::TABLE].len, tables[ModuleRef::TABLE].len, tables[AssemblyRef::TABLE].len, tables[TypeRef::TABLE].len]); - let type_or_method_def = coded_index_size(&[tables[TypeDef::TABLE].len, tables[MethodDef::TABLE].len]); - - let has_custom_attribute = coded_index_size(&[ - tables[MethodDef::TABLE].len, - tables[Field::TABLE].len, - tables[TypeRef::TABLE].len, - tables[TypeDef::TABLE].len, - tables[Param::TABLE].len, - tables[InterfaceImpl::TABLE].len, - tables[MemberRef::TABLE].len, - tables[Module::TABLE].len, - unused_property.len, - unused_event.len, - unused_standalone_sig.len, - tables[ModuleRef::TABLE].len, - tables[TypeSpec::TABLE].len, - unused_assembly.len, - tables[AssemblyRef::TABLE].len, - unused_file.len, - unused_exported_type.len, - unused_manifest_resource.len, - tables[GenericParam::TABLE].len, - unused_generic_param_constraint.len, - unused_method_spec.len, - ]); - - unused_assembly.set_columns(4, 8, 4, blob_index_size, string_index_size, string_index_size); - unused_assembly_os.set_columns(4, 4, 4, 0, 0, 0); - unused_assembly_processor.set_columns(4, 0, 0, 0, 0, 0); - result.tables[AssemblyRef::TABLE].set_columns(8, 4, blob_index_size, string_index_size, string_index_size, blob_index_size); - unused_assembly_ref_os.set_columns(4, 4, 4, result.tables[AssemblyRef::TABLE].index_width(), 0, 0); - unused_assembly_ref_processor.set_columns(4, result.tables[AssemblyRef::TABLE].index_width(), 0, 0, 0, 0); - result.tables[ClassLayout::TABLE].set_columns(2, 4, result.tables[TypeDef::TABLE].index_width(), 0, 0, 0); - result.tables[Constant::TABLE].set_columns(2, has_constant, blob_index_size, 0, 0, 0); - result.tables[Attribute::TABLE].set_columns(has_custom_attribute, custom_attribute_type, blob_index_size, 0, 0, 0); - unused_decl_security.set_columns(2, has_decl_security, blob_index_size, 0, 0, 0); - unused_event_map.set_columns(result.tables[TypeDef::TABLE].index_width(), unused_event.index_width(), 0, 0, 0, 0); - unused_event.set_columns(2, string_index_size, type_def_or_ref, 0, 0, 0); - unused_exported_type.set_columns(4, 4, string_index_size, string_index_size, implementation, 0); - result.tables[Field::TABLE].set_columns(2, string_index_size, blob_index_size, 0, 0, 0); - unused_field_layout.set_columns(4, result.tables[Field::TABLE].index_width(), 0, 0, 0, 0); - unused_field_marshal.set_columns(has_field_marshal, blob_index_size, 0, 0, 0, 0); - unused_field_rva.set_columns(4, result.tables[Field::TABLE].index_width(), 0, 0, 0, 0); - unused_file.set_columns(4, string_index_size, blob_index_size, 0, 0, 0); - result.tables[GenericParam::TABLE].set_columns(2, 2, type_or_method_def, string_index_size, 0, 0); - unused_generic_param_constraint.set_columns(result.tables[GenericParam::TABLE].index_width(), type_def_or_ref, 0, 0, 0, 0); - result.tables[ImplMap::TABLE].set_columns(2, member_forwarded, string_index_size, result.tables[ModuleRef::TABLE].index_width(), 0, 0); - result.tables[InterfaceImpl::TABLE].set_columns(result.tables[TypeDef::TABLE].index_width(), type_def_or_ref, 0, 0, 0, 0); - unused_manifest_resource.set_columns(4, 4, string_index_size, implementation, 0, 0); - result.tables[MemberRef::TABLE].set_columns(member_ref_parent, string_index_size, blob_index_size, 0, 0, 0); - result.tables[MethodDef::TABLE].set_columns(4, 2, 2, string_index_size, blob_index_size, result.tables[Param::TABLE].index_width()); - unused_method_impl.set_columns(result.tables[TypeDef::TABLE].index_width(), method_def_or_ref, method_def_or_ref, 0, 0, 0); - unused_method_semantics.set_columns(2, result.tables[MethodDef::TABLE].index_width(), has_semantics, 0, 0, 0); - unused_method_spec.set_columns(method_def_or_ref, blob_index_size, 0, 0, 0, 0); - result.tables[Module::TABLE].set_columns(2, string_index_size, guid_index_size, guid_index_size, guid_index_size, 0); - result.tables[ModuleRef::TABLE].set_columns(string_index_size, 0, 0, 0, 0, 0); - result.tables[NestedClass::TABLE].set_columns(result.tables[TypeDef::TABLE].index_width(), result.tables[TypeDef::TABLE].index_width(), 0, 0, 0, 0); - result.tables[Param::TABLE].set_columns(2, 2, string_index_size, 0, 0, 0); - unused_property.set_columns(2, string_index_size, blob_index_size, 0, 0, 0); - unused_property_map.set_columns(result.tables[TypeDef::TABLE].index_width(), unused_property.index_width(), 0, 0, 0, 0); - unused_standalone_sig.set_columns(blob_index_size, 0, 0, 0, 0, 0); - result.tables[TypeDef::TABLE].set_columns(4, string_index_size, string_index_size, type_def_or_ref, result.tables[Field::TABLE].index_width(), result.tables[MethodDef::TABLE].index_width()); - result.tables[TypeRef::TABLE].set_columns(resolution_scope, string_index_size, string_index_size, 0, 0, 0); - result.tables[TypeSpec::TABLE].set_columns(blob_index_size, 0, 0, 0, 0, 0); - - result.tables[Module::TABLE].set_data(&mut view); - result.tables[TypeRef::TABLE].set_data(&mut view); - result.tables[TypeDef::TABLE].set_data(&mut view); - result.tables[Field::TABLE].set_data(&mut view); - result.tables[MethodDef::TABLE].set_data(&mut view); - result.tables[Param::TABLE].set_data(&mut view); - result.tables[InterfaceImpl::TABLE].set_data(&mut view); - result.tables[MemberRef::TABLE].set_data(&mut view); - result.tables[Constant::TABLE].set_data(&mut view); - result.tables[Attribute::TABLE].set_data(&mut view); - unused_field_marshal.set_data(&mut view); - unused_decl_security.set_data(&mut view); - result.tables[ClassLayout::TABLE].set_data(&mut view); - unused_field_layout.set_data(&mut view); - unused_standalone_sig.set_data(&mut view); - unused_event_map.set_data(&mut view); - unused_event.set_data(&mut view); - unused_property_map.set_data(&mut view); - unused_property.set_data(&mut view); - unused_method_semantics.set_data(&mut view); - unused_method_impl.set_data(&mut view); - result.tables[ModuleRef::TABLE].set_data(&mut view); - result.tables[TypeSpec::TABLE].set_data(&mut view); - result.tables[ImplMap::TABLE].set_data(&mut view); - unused_field_rva.set_data(&mut view); - unused_assembly.set_data(&mut view); - unused_assembly_processor.set_data(&mut view); - unused_assembly_os.set_data(&mut view); - result.tables[AssemblyRef::TABLE].set_data(&mut view); - unused_assembly_ref_processor.set_data(&mut view); - unused_assembly_ref_os.set_data(&mut view); - unused_file.set_data(&mut view); - unused_exported_type.set_data(&mut view); - unused_manifest_resource.set_data(&mut view); - result.tables[NestedClass::TABLE].set_data(&mut view); - result.tables[GenericParam::TABLE].set_data(&mut view); - - Ok(result) - } - - fn usize(&self, row: usize, table: usize, column: usize) -> usize { - let table = &self.tables[table]; - let column = &table.columns[column]; - let offset = table.offset + row * table.width + column.offset; - match column.width { - 1 => self.bytes.copy_as::<u8>(offset).map_or(0, |v| v as usize), - 2 => self.bytes.copy_as::<u16>(offset).map_or(0, |v| v as usize), - 4 => self.bytes.copy_as::<u32>(offset).map_or(0, |v| v as usize), - _ => self.bytes.copy_as::<u64>(offset).map_or(0, |v| v as usize), - } - } - - fn lower_bound_of(&self, table: usize, mut first: usize, last: usize, column: usize, value: usize) -> usize { - let mut count = last - first; - while count > 0 { - let count2 = count / 2; - let middle = first + count2; - if self.usize(middle, table, column) < value { - first = middle + 1; - count -= count2 + 1; - } else { - count = count2; - } - } - first - } - - fn upper_bound_of(&self, table: usize, mut first: usize, last: usize, column: usize, value: usize) -> usize { - let mut count = last - first; - while count > 0 { - let count2 = count / 2; - let middle = first + count2; - if value < self.usize(middle, table, column) { - count = count2 - } else { - first = middle + 1; - count -= count2 + 1; - } - } - first - } - - pub fn table<R: AsRow>(&self, file: usize) -> RowIterator<R> { - RowIterator::new(file, 0..self.tables[R::TABLE].len) - } -} - -fn section_from_rva(sections: &[IMAGE_SECTION_HEADER], rva: u32) -> Result<&IMAGE_SECTION_HEADER> { - sections.iter().find(|&s| rva >= s.VirtualAddress && rva < s.VirtualAddress + unsafe { s.Misc.VirtualSize }).ok_or(()) -} - -fn offset_from_rva(section: &IMAGE_SECTION_HEADER, rva: u32) -> usize { - (rva - section.VirtualAddress + section.PointerToRawData) as usize -} diff --git a/vendor/windows-metadata/src/file/reader.rs b/vendor/windows-metadata/src/file/reader.rs deleted file mode 100644 index 571a06d5e..000000000 --- a/vendor/windows-metadata/src/file/reader.rs +++ /dev/null @@ -1,359 +0,0 @@ -use super::*; - -pub trait RowReader<'a> { - fn row_file<R: AsRow>(&self, row: R) -> &'a File; - - fn row_usize<R: AsRow>(&self, row: R, column: usize) -> usize { - let file = self.row_file(row); - let row = row.to_row(); - file.usize(row.row, R::TABLE, column) - } - - fn row_str<R: AsRow>(&self, row: R, column: usize) -> &'a str { - let file = self.row_file(row); - let offset = file.strings + self.row_usize(row, column); - let bytes = &file.bytes[offset..]; - let nul_pos = bytes.iter().position(|&c| c == 0).expect("expected null-terminated C-string"); - std::str::from_utf8(&bytes[..nul_pos]).expect("expected valid utf-8 C-string") - } - - fn row_blob<R: AsRow>(&self, row: R, column: usize) -> Blob<'a> { - let file = self.row_file(row); - let offset = file.blobs + self.row_usize(row, column); - let initial_byte = file.bytes[offset]; - - let (blob_size, blob_size_bytes) = match initial_byte >> 5 { - 0..=3 => (initial_byte & 0x7f, 1), - 4..=5 => (initial_byte & 0x3f, 2), - 6 => (initial_byte & 0x1f, 4), - rest => unimplemented!("{rest:?}"), - }; - - let mut blob_size = blob_size as usize; - - for byte in &file.bytes[offset + 1..offset + blob_size_bytes] { - blob_size = blob_size.checked_shl(8).unwrap_or(0) + (*byte as usize); - } - - let offset = offset + blob_size_bytes; - Blob::new(row.file(), &file.bytes[offset..offset + blob_size]) - } - - fn row_list<R: AsRow, L: AsRow>(&self, row: R, column: usize) -> RowIterator<L> { - let file = self.row_file(row); - let first = self.row_usize(row, column) - 1; - let next = row.next(); - let last = if next.index() < file.tables[R::TABLE].len { self.row_usize(next, column) - 1 } else { file.tables[L::TABLE].len }; - RowIterator::new(row.file(), first..last) - } - - fn row_equal_range<R: AsRow, L: AsRow>(&self, row: R, column: usize, value: usize) -> RowIterator<L> { - let file = self.row_file(row); - let mut first = 0; - let mut last = file.tables[L::TABLE].len; - let mut count = last; - - loop { - if count == 0 { - last = first; - break; - } - - let count2 = count / 2; - let middle = first + count2; - let middle_value = file.usize(middle, L::TABLE, column); - - match middle_value.cmp(&value) { - Ordering::Less => { - first = middle + 1; - count -= count2 + 1; - } - Ordering::Greater => count = count2, - Ordering::Equal => { - let first2 = file.lower_bound_of(L::TABLE, first, middle, column, value); - first += count; - last = file.upper_bound_of(L::TABLE, middle + 1, first, column, value); - first = first2; - break; - } - } - } - - RowIterator::new(row.file(), first..last) - } - - fn row_decode<R: AsRow, T: Decode>(&self, row: R, column: usize) -> T { - T::decode(row.file(), self.row_usize(row, column)) - } - - // - // Attribute - // - - fn attribute_name(&self, row: Attribute) -> &'a str { - let AttributeType::MemberRef(row) = self.row_decode(row, 1); - let MemberRefParent::TypeRef(row) = self.row_decode(row, 0); - self.type_ref_name(row) - } - - fn attributes<R: AsRow + Into<HasAttribute>>(&self, row: R) -> RowIterator<Attribute> { - self.row_equal_range(row, 0, row.into().encode()) - } - - fn find_attribute<R: AsRow + Into<HasAttribute>>(&self, row: R, name: &str) -> Option<Attribute> { - self.attributes(row).find(|attribute| self.attribute_name(*attribute) == name) - } - - fn has_attribute<R: AsRow + Into<HasAttribute>>(&self, row: R, name: &str) -> bool { - self.find_attribute(row, name).is_some() - } - - // - // Other - // - - fn type_def_or_ref(&self, code: TypeDefOrRef) -> TypeName<'a> { - match code { - TypeDefOrRef::TypeDef(row) => TypeName::new(self.type_def_namespace(row), self.type_def_name(row)), - TypeDefOrRef::TypeRef(row) => TypeName::new(self.type_ref_namespace(row), self.type_ref_name(row)), - rest => unimplemented!("{rest:?}"), - } - } - - // - // ClassLayout - // - - fn class_layout_packing_size(&self, row: ClassLayout) -> usize { - self.row_usize(row, 0) - } - - // - // Constant - // - - fn constant_type(&self, row: Constant) -> Type { - let code = self.row_usize(row, 0); - Type::from_code(code).expect("Constant type not found") - } - - fn constant_value(&self, row: Constant) -> Value { - let mut blob = self.row_blob(row, 2); - match self.constant_type(row) { - Type::I8 => Value::I8(blob.read_i8()), - Type::U8 => Value::U8(blob.read_u8()), - Type::I16 => Value::I16(blob.read_i16()), - Type::U16 => Value::U16(blob.read_u16()), - Type::I32 => Value::I32(blob.read_i32()), - Type::U32 => Value::U32(blob.read_u32()), - Type::I64 => Value::I64(blob.read_i64()), - Type::U64 => Value::U64(blob.read_u64()), - Type::F32 => Value::F32(blob.read_f32()), - Type::F64 => Value::F64(blob.read_f64()), - Type::String => Value::String(blob.read_string()), - rest => unimplemented!("{rest:?}"), - } - } - - // - // Field - // - - fn field_flags(&self, row: Field) -> FieldAttributes { - FieldAttributes(self.row_usize(row, 0) as u16) - } - - fn field_name(&self, row: Field) -> &'a str { - self.row_str(row, 1) - } - - fn field_constant(&self, row: Field) -> Option<Constant> { - self.row_equal_range(row, 1, HasConstant::Field(row).encode()).next() - } - - // - // GenericParam - // - - fn generic_param_number(&self, row: GenericParam) -> u16 { - self.row_usize(row, 0) as u16 - } - - fn generic_param_name(&self, row: GenericParam) -> &'a str { - self.row_str(row, 3) - } - - // - // ImplMap - // - - fn impl_map_flags(&self, row: ImplMap) -> PInvokeAttributes { - PInvokeAttributes(self.row_usize(row, 0)) - } - - fn impl_map_scope(&self, row: ImplMap) -> ModuleRef { - ModuleRef(Row::new(self.row_usize(row, 3) - 1, row.file())) - } - - fn impl_map_import_name(&self, row: ImplMap) -> &'a str { - self.row_str(row, 2) - } - - // - // MemberRef - // - - fn member_ref_parent(&self, row: MemberRef) -> MemberRefParent { - self.row_decode(row, 0) - } - - fn member_ref_signature(&self, row: MemberRef) -> Blob<'a> { - self.row_blob(row, 2) - } - - // - // MethodDef - // - - fn method_def_impl_flags(&self, row: MethodDef) -> MethodImplAttributes { - MethodImplAttributes(self.row_usize(row, 1) as u16) - } - - fn method_def_flags(&self, row: MethodDef) -> MethodAttributes { - MethodAttributes(self.row_usize(row, 2) as u16) - } - - fn method_def_name(&self, row: MethodDef) -> &'a str { - self.row_str(row, 3) - } - - fn method_def_params(&self, row: MethodDef) -> RowIterator<Param> { - self.row_list(row, 5) - } - - fn method_def_impl_map(&self, row: MethodDef) -> Option<ImplMap> { - self.row_equal_range(row, 1, MemberForwarded::MethodDef(row).encode()).next() - } - - fn method_def_module_name(&self, row: MethodDef) -> String { - // TODO: riddle should always lower case the module name to avoid allocating here - let Some(impl_map) = self.method_def_impl_map(row) else { - return String::new(); - }; - - self.module_ref_name(self.impl_map_scope(impl_map)).to_lowercase() - } - - // - // ModuleRef - // - - fn module_ref_name(&self, row: ModuleRef) -> &'a str { - self.row_str(row, 0) - } - - // - // NestedClass - // - - fn nested_class_inner(&self, row: NestedClass) -> TypeDef { - TypeDef(Row::new(self.row_usize(row, 0) - 1, row.file())) - } - - fn nested_class_outer(&self, row: NestedClass) -> TypeDef { - TypeDef(Row::new(self.row_usize(row, 1) - 1, row.file())) - } - - // - // Param - // - - fn param_flags(&self, row: Param) -> ParamAttributes { - ParamAttributes(self.row_usize(row, 0) as u16) - } - - fn param_sequence(&self, row: Param) -> u16 { - self.row_usize(row, 1) as u16 - } - - fn param_name(&self, row: Param) -> &'a str { - self.row_str(row, 2) - } - - // - // TypeDef - // - - fn type_def_flags(&self, row: TypeDef) -> TypeAttributes { - TypeAttributes(self.row_usize(row, 0) as u32) - } - - fn type_def_name(&self, row: TypeDef) -> &'a str { - self.row_str(row, 1) - } - - fn type_def_namespace(&self, row: TypeDef) -> &'a str { - self.row_str(row, 2) - } - - fn type_def_extends(&self, row: TypeDef) -> Option<TypeName<'a>> { - match self.row_usize(row, 3) { - 0 => None, - code => Some(self.type_def_or_ref(TypeDefOrRef::decode(row.file(), code))), - } - } - - fn type_def_methods(&self, row: TypeDef) -> RowIterator<MethodDef> { - self.row_list(row, 5) - } - - fn type_def_fields(&self, row: TypeDef) -> RowIterator<Field> { - self.row_list(row, 4) - } - - fn type_def_generics(&self, row: TypeDef) -> RowIterator<GenericParam> { - self.row_equal_range(row, 2, TypeOrMethodDef::TypeDef(row).encode()) - } - - fn type_def_interface_impls(&self, row: TypeDef) -> RowIterator<InterfaceImpl> { - self.row_equal_range(row, 0, row.0.row + 1) - } - - fn type_def_enclosing_type(&self, row: TypeDef) -> Option<TypeDef> { - self.row_equal_range::<TypeDef, NestedClass>(row, 0, row.0.row + 1).next().map(|row| TypeDef(Row::new(self.row_usize(row, 1) - 1, row.file()))) - } - - fn type_def_class_layout(&self, row: TypeDef) -> Option<ClassLayout> { - self.row_equal_range(row, 2, row.0.row + 1).next() - } - - // - // TypeRef - // - - fn type_ref_name(&self, row: TypeRef) -> &'a str { - self.row_str(row, 1) - } - - fn type_ref_namespace(&self, row: TypeRef) -> &'a str { - self.row_str(row, 2) - } - - fn type_ref_resolution_scope(&self, row: TypeRef) -> ResolutionScope { - self.row_decode(row, 0) - } - - // - // TypeSpec - // - - fn type_spec_signature(&self, row: TypeSpec) -> Blob<'a> { - self.row_blob(row, 0) - } -} - -impl<'a> RowReader<'a> for &'a [File] { - fn row_file<R: AsRow>(&self, row: R) -> &'a File { - &self[row.to_row().file] - } -} diff --git a/vendor/windows-metadata/src/file/table.rs b/vendor/windows-metadata/src/file/table.rs deleted file mode 100644 index af9599c31..000000000 --- a/vendor/windows-metadata/src/file/table.rs +++ /dev/null @@ -1,57 +0,0 @@ -#[derive(Default)] -pub struct Table { - pub offset: usize, - pub len: usize, - pub width: usize, - pub columns: [Column; 6], -} - -#[derive(Default)] -pub struct Column { - pub offset: usize, - pub width: usize, -} - -impl Table { - pub fn index_width(&self) -> usize { - if self.len < (1 << 16) { - 2 - } else { - 4 - } - } - - pub fn set_columns(&mut self, a: usize, b: usize, c: usize, d: usize, e: usize, f: usize) { - self.width = a + b + c + d + e + f; - self.columns[0] = Column::new(0, a); - if b != 0 { - self.columns[1] = Column::new(a, b); - } - if c != 0 { - self.columns[2] = Column::new(a + b, c); - } - if d != 0 { - self.columns[3] = Column::new(a + b + c, d); - } - if e != 0 { - self.columns[4] = Column::new(a + b + c + d, e); - } - if f != 0 { - self.columns[5] = Column::new(a + b + c + d + e, f); - } - } - - pub fn set_data(&mut self, offset: &mut usize) { - if self.len != 0 { - let next = *offset + self.len * self.width; - self.offset = *offset; - *offset = next; - } - } -} - -impl Column { - fn new(offset: usize, width: usize) -> Self { - Self { offset, width } - } -} diff --git a/vendor/windows-metadata/src/file/view.rs b/vendor/windows-metadata/src/file/view.rs deleted file mode 100644 index 31eb1541b..000000000 --- a/vendor/windows-metadata/src/file/view.rs +++ /dev/null @@ -1,55 +0,0 @@ -type Result<T> = std::result::Result<T, ()>; - -pub trait View { - fn view_as<T>(&self, offset: usize) -> Result<&T>; - fn view_as_slice_of<T>(&self, offset: usize, len: usize) -> Result<&[T]>; - fn copy_as<T: Copy>(&self, offset: usize) -> Result<T>; - fn view_as_str(&self, offset: usize) -> Result<&[u8]>; - fn is_proper_length<T>(&self, offset: usize) -> Result<()>; - fn is_proper_length_and_alignment<T>(&self, offset: usize, count: usize) -> Result<*const T>; -} - -impl View for [u8] { - fn view_as<T>(&self, offset: usize) -> Result<&T> { - unsafe { Ok(&*self.is_proper_length_and_alignment(offset, 1)?) } - } - - fn view_as_slice_of<T>(&self, offset: usize, len: usize) -> Result<&[T]> { - unsafe { Ok(std::slice::from_raw_parts(self.is_proper_length_and_alignment(offset, len)?, len)) } - } - - fn copy_as<T>(&self, offset: usize) -> Result<T> { - self.is_proper_length::<T>(offset)?; - - unsafe { - let mut data = std::mem::MaybeUninit::zeroed().assume_init(); - std::ptr::copy_nonoverlapping(self[offset..].as_ptr(), &mut data as *mut T as *mut u8, std::mem::size_of::<T>()); - Ok(data) - } - } - - fn view_as_str(&self, offset: usize) -> Result<&[u8]> { - let buffer = &self[offset..]; - let index = buffer.iter().position(|c| *c == b'\0').ok_or(())?; - Ok(&self[offset..offset + index]) - } - - fn is_proper_length<T>(&self, offset: usize) -> Result<()> { - if offset + std::mem::size_of::<T>() <= self.len() { - Ok(()) - } else { - Err(()) - } - } - - fn is_proper_length_and_alignment<T>(&self, offset: usize, count: usize) -> Result<*const T> { - self.is_proper_length::<T>(offset * count)?; - let ptr = &self[offset] as *const u8 as *const T; - - if ptr.align_offset(std::mem::align_of::<T>()) == 0 { - Ok(ptr) - } else { - Err(()) - } - } -} |