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// Copyright 2017 pdb Developers // // Licensed under the Apache License, Version 2.0, <LICENSE-APACHE or // http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or // http://opensource.org/licenses/MIT>, at your option. This file may not be // copied, modified, or distributed except according to those terms. use common::*; use super::constants::*; use super::primitive::*; /// Encapsulates parsed data about a `Type`. #[derive(Debug,Clone,PartialEq,Eq)] pub enum TypeData<'t> { Primitive(PrimitiveType), Class(ClassType<'t>), Member(MemberType<'t>), MemberFunction(MemberFunctionType), OverloadedMethod(OverloadedMethodType<'t>), Method(MethodType<'t>), StaticMember(StaticMemberType<'t>), Nested(NestedType<'t>), BaseClass(BaseClassType), VirtualBaseClass(VirtualBaseClassType), VirtualFunctionTablePointer(VirtualFunctionTablePointerType), Procedure(ProcedureType), Pointer(PointerType), Modifier(ModifierType), Enumeration(EnumerationType<'t>), Enumerate(EnumerateType<'t>), Array(ArrayType), Union(UnionType<'t>), Bitfield(BitfieldType), FieldList(FieldList<'t>), ArgumentList(ArgumentList), MethodList(MethodList), } impl<'t> TypeData<'t> { /// Return the name of this TypeData, if any pub fn name(&self) -> Option<RawString<'t>> { let name = match *self { TypeData::Class(ClassType { ref name, .. }) | TypeData::Member(MemberType { ref name, .. }) | TypeData::OverloadedMethod(OverloadedMethodType { ref name, .. }) | TypeData::StaticMember(StaticMemberType { ref name, .. }) | TypeData::Nested(NestedType { ref name, .. }) | TypeData::Enumeration(EnumerationType { ref name, .. }) | TypeData::Enumerate(EnumerateType { ref name, .. }) | TypeData::Union(UnionType { ref name, .. }) => name, _ => { return None } }; Some(name.clone()) } } /// Parse a type out of a `ParseBuffer`. pub(crate) fn parse_type_data<'t>(mut buf: &mut ParseBuffer<'t>) -> Result<TypeData<'t>> { let leaf = buf.parse_u16()?; match leaf { // Basic types // ----------- // https://github.com/Microsoft/microsoft-pdb/blob/082c5290e5aff028ae84e43affa8be717aa7af73/include/cvinfo.h#L1631-L1642 LF_CLASS | LF_CLASS_ST | LF_STRUCTURE | LF_STRUCTURE_ST | LF_INTERFACE => { Ok(TypeData::Class(ClassType { kind: match leaf { LF_CLASS | LF_CLASS_ST => ClassKind::Class, LF_STRUCTURE | LF_STRUCTURE_ST => ClassKind::Struct, LF_INTERFACE => ClassKind::Interface, _ => unreachable!() }, count: buf.parse_u16()?, properties: TypeProperties(buf.parse_u16()?), fields: parse_optional_type_index(&mut buf)?, derived_from: parse_optional_type_index(&mut buf)?, vtable_shape: parse_optional_type_index(&mut buf)?, size: parse_unsigned(&mut buf)? as u16, name: parse_string(leaf, buf)?, })) }, // https://github.com/Microsoft/microsoft-pdb/blob/082c5290e5aff028ae84e43affa8be717aa7af73/include/cvinfo.h#L2580-L2586 LF_MEMBER | LF_MEMBER_ST => { Ok(TypeData::Member(MemberType { attributes: FieldAttributes(buf.parse_u16()?), field_type: buf.parse_u32()? as TypeIndex, offset: parse_unsigned(&mut buf)? as u16, name: parse_string(leaf, &mut buf)?, })) }, // https://github.com/Microsoft/microsoft-pdb/blob/082c5290e5aff028ae84e43affa8be717aa7af73/include/cvinfo.h#L2699-L2714 LF_NESTTYPE | LF_NESTTYPE_ST | LF_NESTTYPEEX | LF_NESTTYPEEX_ST => { // These structs differ in their use of the first 16 bits let raw_attr = match leaf { LF_NESTTYPEEX | LF_NESTTYPEEX_ST => { buf.parse_u16()? } _ => { // discard padding buf.parse_u16()?; // assume zero 0 } }; Ok(TypeData::Nested(NestedType { attributes: FieldAttributes(raw_attr), nested_type: buf.parse_u32()? as TypeIndex, name: parse_string(leaf, &mut buf)?, })) }, // https://github.com/Microsoft/microsoft-pdb/blob/082c5290e5aff028ae84e43affa8be717aa7af73/include/cvinfo.h#L1801-L1811 LF_MFUNCTION => { Ok(TypeData::MemberFunction(MemberFunctionType { return_type: buf.parse_u32()? as TypeIndex, class_type: buf.parse_u32()? as TypeIndex, this_pointer_type: parse_optional_type_index(&mut buf)?, attributes: FunctionAttributes(buf.parse_u16()?), parameter_count: buf.parse_u16()?, argument_list: buf.parse_u32()? as TypeIndex, this_adjustment: buf.parse_u32()?, })) } // https://github.com/Microsoft/microsoft-pdb/blob/082c5290e5aff028ae84e43affa8be717aa7af73/include/cvinfo.h#L2650-L2655 LF_METHOD | LF_METHOD_ST => { Ok(TypeData::OverloadedMethod(OverloadedMethodType { count: buf.parse_u16()?, method_list: buf.parse_u32()? as TypeIndex, name: parse_string(leaf, &mut buf)?, })) }, // https://github.com/Microsoft/microsoft-pdb/blob/082c5290e5aff028ae84e43affa8be717aa7af73/include/cvinfo.h#L2671-L2678 LF_ONEMETHOD | LF_ONEMETHOD_ST => { let attr = FieldAttributes(buf.parse_u16()?); Ok(TypeData::Method(MethodType { attributes: attr, method_type: buf.parse_u32()? as TypeIndex, vtable_offset: if attr.is_intro_virtual() { Some(buf.parse_u32()? as u32) } else { // yes, this is variable length None }, name: parse_string(leaf, &mut buf)?, })) }, // https://github.com/Microsoft/microsoft-pdb/blob/082c5290e5aff028ae84e43affa8be717aa7af73/include/cvinfo.h#L2499-L2505 LF_BCLASS | LF_BINTERFACE => { Ok(TypeData::BaseClass(BaseClassType { kind: match leaf { LF_BCLASS => ClassKind::Class, LF_BINTERFACE => ClassKind::Interface, _ => unreachable!(), }, attributes: FieldAttributes(buf.parse_u16()?), base_class: buf.parse_u32()? as TypeIndex, offset: parse_unsigned(&mut buf)? as u32, })) }, // https://github.com/Microsoft/microsoft-pdb/blob/082c5290e5aff028ae84e43affa8be717aa7af73/include/cvinfo.h#L2615-L2619 LF_VFUNCTAB => { // padding is supposed to be zero always, but… let's not check buf.parse_u16()?; Ok(TypeData::VirtualFunctionTablePointer(VirtualFunctionTablePointerType { table: buf.parse_u32()? as TypeIndex, })) }, // https://github.com/Microsoft/microsoft-pdb/blob/082c5290e5aff028ae84e43affa8be717aa7af73/include/cvinfo.h#L2599-L2604 LF_STMEMBER | LF_STMEMBER_ST => { Ok(TypeData::StaticMember(StaticMemberType { attributes: FieldAttributes(buf.parse_u16()?), field_type: buf.parse_u32()? as TypeIndex, name: parse_string(leaf, &mut buf)?, })) }, // https://github.com/Microsoft/microsoft-pdb/blob/082c5290e5aff028ae84e43affa8be717aa7af73/include/cvinfo.h#L1469-L1506 LF_POINTER => { Ok(TypeData::Pointer(PointerType { underlying_type: buf.parse_u32()? as TypeIndex, attributes: PointerAttributes(buf.parse_u32()?), })) }, // https://github.com/Microsoft/microsoft-pdb/blob/082c5290e5aff028ae84e43affa8be717aa7af73/include/cvinfo.h#L1775-L1782 LF_PROCEDURE => { Ok(TypeData::Procedure(ProcedureType { return_type: parse_optional_type_index(&mut buf)?, attributes: FunctionAttributes(buf.parse_u16()?), parameter_count: buf.parse_u16()?, argument_list: buf.parse_u32()? as TypeIndex, })) }, // https://github.com/Microsoft/microsoft-pdb/blob/082c5290e5aff028ae84e43affa8be717aa7af73/include/cvinfo.h#L1460-L1464 LF_MODIFIER => { let type_index = buf.parse_u32()? as TypeIndex; // https://github.com/Microsoft/microsoft-pdb/blob/082c5290e5aff028ae84e43affa8be717aa7af73/include/cvinfo.h#L1090-L1095 let flags = buf.parse_u16()?; Ok(TypeData::Modifier(ModifierType { underlying_type: type_index, constant: (flags & 0x01) != 0, volatile: (flags & 0x02) != 0, unaligned: (flags & 0x04) != 0, })) }, // https://github.com/Microsoft/microsoft-pdb/blob/082c5290e5aff028ae84e43affa8be717aa7af73/include/cvinfo.h#L1752-L1759 LF_ENUM | LF_ENUM_ST => { Ok(TypeData::Enumeration(EnumerationType { count: buf.parse_u16()?, properties: TypeProperties(buf.parse_u16()?), underlying_type: buf.parse_u32()? as TypeIndex, fields: buf.parse_u32()? as TypeIndex, name: parse_string(leaf, &mut buf)?, })) }, // https://github.com/Microsoft/microsoft-pdb/blob/082c5290e5aff028ae84e43affa8be717aa7af73/include/cvinfo.h#L2683-L2688 LF_ENUMERATE | LF_ENUMERATE_ST => { Ok(TypeData::Enumerate(EnumerateType { attributes: FieldAttributes(buf.parse_u16()?), value: buf.parse_variant()?, name: parse_string(leaf, &mut buf)?, })) } // https://github.com/Microsoft/microsoft-pdb/blob/082c5290e5aff028ae84e43affa8be717aa7af73/include/cvinfo.h#L1564-L1579 LF_ARRAY | LF_ARRAY_ST | LF_STRIDED_ARRAY => { let element_type = buf.parse_u32()? as TypeIndex; let indexing_type = buf.parse_u32()? as TypeIndex; let stride: Option<u32> = if leaf == LF_STRIDED_ARRAY { Some(buf.parse_u32()?) } else { None }; let mut dimensions: Vec<u32> = Vec::new(); loop { let dim = parse_unsigned(&mut buf)?; if dim > u32::max_value() as u64 { return Err(Error::UnimplementedFeature("u64 array sizes")); } dimensions.push(dim as u32); if buf.len() == 0 { // shouldn't run out here return Err(Error::UnexpectedEof); } if buf.peek_u8()? == 0x00 { // end of dimensions buf.parse_u8()?; break } } // eat any padding parse_padding(&mut buf)?; //println!("array: {:x}", buf); //println!("dimensions: {:?}", dimensions); assert!(buf.len() == 0); Ok(TypeData::Array(ArrayType { element_type: element_type, indexing_type: indexing_type, stride: stride, dimensions: dimensions, })) } // https://github.com/Microsoft/microsoft-pdb/blob/082c5290e5aff028ae84e43affa8be717aa7af73/include/cvinfo.h#L1657-L1664 LF_UNION | LF_UNION_ST => { Ok(TypeData::Union(UnionType { count: buf.parse_u16()?, properties: TypeProperties(buf.parse_u16()?), fields: buf.parse_u32()? as TypeIndex, size: parse_unsigned(&mut buf)? as u32, name: parse_string(leaf, &mut buf)?, })) }, // https://github.com/Microsoft/microsoft-pdb/blob/082c5290e5aff028ae84e43affa8be717aa7af73/include/cvinfo.h#L2164-L2170 LF_BITFIELD => { Ok(TypeData::Bitfield(BitfieldType { underlying_type: buf.parse_u32()? as TypeIndex, length: buf.parse_u8()?, position: buf.parse_u8()?, })) }, // https://github.com/Microsoft/microsoft-pdb/blob/082c5290e5aff028ae84e43affa8be717aa7af73/include/cvinfo.h#L1819-L1823 LF_VTSHAPE => { // TODO Err(Error::UnimplementedTypeKind(leaf)) }, // https://github.com/Microsoft/microsoft-pdb/blob/082c5290e5aff028ae84e43affa8be717aa7af73/include/cvinfo.h#L1825-L1837 LF_VFTABLE => { // TODO Err(Error::UnimplementedTypeKind(leaf)) } // https://github.com/Microsoft/microsoft-pdb/blob/082c5290e5aff028ae84e43affa8be717aa7af73/include/cvinfo.h#L2521-L2528 LF_VBCLASS | LF_IVBCLASS => { Ok(TypeData::VirtualBaseClass(VirtualBaseClassType { direct: leaf == LF_VBCLASS, attributes: FieldAttributes(buf.parse_u16()?), base_class: buf.parse_u32()? as TypeIndex, base_pointer: buf.parse_u32()? as TypeIndex, base_pointer_offset: parse_unsigned(&mut buf)? as u32, virtual_base_offset: parse_unsigned(&mut buf)? as u32, })) }, // List types // ---------- // https://github.com/Microsoft/microsoft-pdb/blob/082c5290e5aff028ae84e43affa8be717aa7af73/include/cvinfo.h#L2112-L2115 LF_FIELDLIST => { let mut fields: Vec<TypeData<'t>> = Vec::new(); let mut continuation: Option<TypeIndex> = None; while buf.len() > 0 { match buf.peek_u16()? { LF_INDEX => { // continuation record // eat the leaf value buf.parse_u16()?; // parse the TypeIndex where we continue continuation = Some(buf.parse_u32()? as TypeIndex); } _ => { // other type // recurse because recursion is endless fun because [STACK OVERFLOW] fields.push(parse_type_data(&mut buf)?); } } // consume any padding parse_padding(&mut buf)?; } Ok(TypeData::FieldList(FieldList { fields: fields, continuation: continuation })) }, LF_ARGLIST => { let count = buf.parse_u32()?; let mut arglist: Vec<TypeIndex> = Vec::with_capacity(count as usize); for _ in 0..count { arglist.push(buf.parse_u32()? as TypeIndex); } Ok(TypeData::ArgumentList(ArgumentList { arguments: arglist, })) }, LF_METHODLIST => { let mut methods: Vec<MethodListEntry> = Vec::new(); while buf.len() > 0 { // https://github.com/Microsoft/microsoft-pdb/blob/082c5290e5aff028ae84e43affa8be717aa7af73/include/cvinfo.h#L2131-L2136 let attr = FieldAttributes(buf.parse_u16()?); buf.parse_u16()?; // padding methods.push(MethodListEntry { attributes: attr, method_type: buf.parse_u32()?, vtable_offset: if attr.is_intro_virtual() { Some(buf.parse_u32()?) } else { None }, }); } Ok(TypeData::MethodList(MethodList { methods: methods, })) }, _ => Err(Error::UnimplementedTypeKind(leaf)), } } #[inline] fn parse_optional_type_index<'t>(buf: &mut ParseBuffer<'t>) -> Result<Option<TypeIndex>> { let index = buf.parse_u32()? as TypeIndex; if index == 0 || index == 0xffff { Ok(None) } else { Ok(Some(index)) } } #[inline] fn parse_string<'t>(leaf: u16, buf: &mut ParseBuffer<'t>) -> Result<RawString<'t>> { if leaf > LF_ST_MAX { buf.parse_cstring() } else { buf.parse_u8_pascal_string() } } #[inline] fn parse_padding<'t>(buf: &mut ParseBuffer<'t>) -> Result<()> { while buf.len() > 0 && buf.peek_u8()? >= 0xf0 { let padding = buf.parse_u8()?; if padding > 0xf0 { // low four bits indicate amount of padding // (don't ask me what 0xf0 means, then) buf.take((padding & 0x0f) as usize - 1)?; } } Ok(()) } // https://github.com/Microsoft/microsoft-pdb/blob/082c5290e5aff028ae84e43affa8be717aa7af73/pdbdump/pdbdump.cpp#L2417-L2456 fn parse_unsigned<'t>(buf: &mut ParseBuffer<'t>) -> Result<u64> { let leaf = buf.parse_u16()?; if leaf < LF_NUMERIC { // the u16 directly encodes a value return Ok(leaf as u64); } match leaf { LF_CHAR => { Ok(buf.parse_u8()? as u64) }, LF_USHORT => { Ok(buf.parse_u16()? as u64) }, LF_ULONG => { Ok(buf.parse_u32()? as u64) }, LF_UQUADWORD => { Ok(buf.parse_u64()? as u64) }, _ => { debug_assert!(false); Err(Error::UnexpectedNumericPrefix(leaf)) } } } /* typedef struct CV_prop_t { unsigned short packed :1; // true if structure is packed unsigned short ctor :1; // true if constructors or destructors present unsigned short ovlops :1; // true if overloaded operators present unsigned short isnested :1; // true if this is a nested class unsigned short cnested :1; // true if this class contains nested types unsigned short opassign :1; // true if overloaded assignment (=) unsigned short opcast :1; // true if casting methods unsigned short fwdref :1; // true if forward reference (incomplete defn) unsigned short scoped :1; // scoped definition unsigned short hasuniquename :1; // true if there is a decorated name following the regular name unsigned short sealed :1; // true if class cannot be used as a base class unsigned short hfa :2; // CV_HFA_e unsigned short intrinsic :1; // true if class is an intrinsic type (e.g. __m128d) unsigned short mocom :2; // CV_MOCOM_UDT_e } CV_prop_t; */ #[derive(Debug,Copy,Clone,PartialEq,Eq)] pub struct TypeProperties(u16); impl TypeProperties { /// Indicates if a type is packed via `#pragma pack` or similar. pub fn packed(&self) -> bool { self.0 & 0x0001 != 0 } /// Indicates if a type has constructors or destructors. pub fn constructors(&self) -> bool { self.0 & 0x0002 != 0 } /// Indicates if a type has any overloaded operators. pub fn overloaded_operators(&self) -> bool { self.0 & 0x0004 != 0 } /// Indicates if a type is a nested type, e.g. a `union` defined inside a `class`. pub fn is_nested_type(&self) -> bool { self.0 & 0x0008 != 0 } /// Indicates if a type contains nested types. pub fn contains_nested_types(&self) -> bool { self.0 & 0x0010 != 0 } /// Indicates if a class has overloaded the assignment operator. pub fn overloaded_assignment(&self) -> bool { self.0 & 0x0020 != 0 } pub fn overloaded_casting(&self) -> bool { self.0 & 0x0040 != 0 } /// Indicates if a type is a forward reference, i.e. an incomplete Type that serves as a /// placeholder until a complete Type can be built. This is necessary for e.g. self-referential /// data structures, but other more common declaration/definition idioms can cause forward /// references too. pub fn forward_reference(&self) -> bool { self.0 & 0x0080 != 0 } pub fn scoped_definition(&self) -> bool { self.0 & 0x0100 != 0 } pub fn has_unique_name(&self) -> bool { self.0 & 0x0200 != 0 } pub fn sealed(&self) -> bool { self.0 & 0x0400 != 0 } pub fn hfa(&self) -> u8 { ((self.0 & 0x1800) >> 11) as u8 } pub fn intrinsic_type(&self) -> bool { self.0 & 0x1000 != 0 } pub fn mocom(&self) -> u8 { ((self.0 & 0x6000) >> 14) as u8 } } /* typedef struct CV_fldattr_t { unsigned short access :2; // access protection CV_access_t unsigned short mprop :3; // method properties CV_methodprop_t unsigned short pseudo :1; // compiler generated fcn and does not exist unsigned short noinherit :1; // true if class cannot be inherited unsigned short noconstruct :1; // true if class cannot be constructed unsigned short compgenx :1; // compiler generated fcn and does exist unsigned short sealed :1; // true if method cannot be overridden unsigned short unused :6; // unused } CV_fldattr_t; typedef enum CV_methodprop_e { CV_MTvanilla = 0x00, CV_MTvirtual = 0x01, CV_MTstatic = 0x02, CV_MTfriend = 0x03, CV_MTintro = 0x04, CV_MTpurevirt = 0x05, CV_MTpureintro = 0x06 } CV_methodprop_e; */ #[derive(Debug,Copy,Clone,PartialEq,Eq)] pub struct FieldAttributes(u16); impl FieldAttributes { #[inline] pub fn access(&self) -> u8 { (self.0 & 0x0003) as u8 } #[inline] fn method_properties(&self) -> u8 { ((self.0 & 0x001c) >> 2) as u8 } #[inline] pub fn is_static(&self) -> bool { self.method_properties() == 0x02 } #[inline] pub fn is_virtual(&self) -> bool { self.method_properties() == 0x01 } #[inline] pub fn is_pure_virtual(&self) -> bool { self.method_properties() == 0x05 } #[inline] pub fn is_intro_virtual(&self) -> bool { match self.method_properties() { 0x04 | 0x06 => true, _ => false, } } // TODO } #[allow(dead_code)] #[repr(u8)] enum Access { None = 0x00, Private = 0x01, Protected = 0x02, Public = 0x03, } // CV_call_t and CV_funcattr_t are always found back to back // Treat them as a combined u16 /* typedef struct CV_funcattr_t { unsigned char cxxreturnudt :1; // true if C++ style ReturnUDT unsigned char ctor :1; // true if func is an instance constructor unsigned char ctorvbase :1; // true if func is an instance constructor of a class with virtual bases unsigned char unused :5; // unused } CV_funcattr_t; */ #[derive(Debug,Copy,Clone,PartialEq,Eq)] pub struct FunctionAttributes(u16); impl FunctionAttributes { pub fn calling_convention(&self) -> u8 { (self.0 & 0xff) as u8 } pub fn cxx_return_udt(&self) -> bool { (self.0 & 0x0100) > 0 } pub fn is_constructor(&self) -> bool { (self.0 & 0x0200) > 0 } pub fn is_constructor_with_virtual_bases(&self) -> bool { (self.0 & 0x0400) > 0 } } /* struct lfPointerAttr { unsigned long ptrtype :5; // ordinal specifying pointer type (CV_ptrtype_e) unsigned long ptrmode :3; // ordinal specifying pointer mode (CV_ptrmode_e) unsigned long isflat32 :1; // true if 0:32 pointer unsigned long isvolatile :1; // TRUE if volatile pointer unsigned long isconst :1; // TRUE if const pointer unsigned long isunaligned :1; // TRUE if unaligned pointer unsigned long isrestrict :1; // TRUE if restricted pointer (allow agressive opts) unsigned long size :6; // size of pointer (in bytes) unsigned long ismocom :1; // TRUE if it is a MoCOM pointer (^ or %) unsigned long islref :1; // TRUE if it is this pointer of member function with & ref-qualifier unsigned long isrref :1; // TRUE if it is this pointer of member function with && ref-qualifier unsigned long unused :10;// pad out to 32-bits for following cv_typ_t's } attr; typedef enum CV_ptrtype_e { CV_PTR_NEAR = 0x00, // 16 bit pointer CV_PTR_FAR = 0x01, // 16:16 far pointer CV_PTR_HUGE = 0x02, // 16:16 huge pointer CV_PTR_BASE_SEG = 0x03, // based on segment CV_PTR_BASE_VAL = 0x04, // based on value of base CV_PTR_BASE_SEGVAL = 0x05, // based on segment value of base CV_PTR_BASE_ADDR = 0x06, // based on address of base CV_PTR_BASE_SEGADDR = 0x07, // based on segment address of base CV_PTR_BASE_TYPE = 0x08, // based on type CV_PTR_BASE_SELF = 0x09, // based on self CV_PTR_NEAR32 = 0x0a, // 32 bit pointer CV_PTR_FAR32 = 0x0b, // 16:32 pointer CV_PTR_64 = 0x0c, // 64 bit pointer CV_PTR_UNUSEDPTR = 0x0d // first unused pointer type } CV_ptrtype_e; typedef enum CV_ptrmode_e { CV_PTR_MODE_PTR = 0x00, // "normal" pointer CV_PTR_MODE_REF = 0x01, // "old" reference CV_PTR_MODE_LVREF = 0x01, // l-value reference CV_PTR_MODE_PMEM = 0x02, // pointer to data member CV_PTR_MODE_PMFUNC = 0x03, // pointer to member function CV_PTR_MODE_RVREF = 0x04, // r-value reference CV_PTR_MODE_RESERVED= 0x05 // first unused pointer mode } CV_ptrmode_e; */ #[derive(Debug,Copy,Clone,PartialEq,Eq)] pub struct PointerAttributes(u32); impl PointerAttributes { // TODO /// Indicates the type of pointer. pub fn pointer_type(&self) -> u8 { (self.0 & 0x1f) as u8 } /// Indicates if this pointer is `const`. pub fn is_const(&self) -> bool { (self.0 & 0x40) != 0 } /// Is this a C++ reference, as opposed to a C pointer? pub fn is_reference(&self) -> bool { match (self.0 >> 5) & 0x07 { 0x01 | 0x04 => true, _ => false, } } /// The size of the pointer in bytes. pub fn size(&self) -> u8 { let size = ((self.0 >> 13) & 0x3f) as u8; if size != 0 { return size; } match self.pointer_type() { 0x0a => 4, 0x0c => 8, _ => 0 } } } /// The information parsed from a type record with kind /// `LF_CLASS`, `LF_CLASS_ST`, `LF_STRUCTURE`, `LF_STRUCTURE_ST` or `LF_INTERFACE`. // https://github.com/Microsoft/microsoft-pdb/blob/082c5290e5aff028ae84e43affa8be717aa7af73/include/cvinfo.h#L1631 #[derive(Debug,Clone,PartialEq,Eq)] pub struct ClassType<'t> { pub kind: ClassKind, /// Count of number of elements in this class pub count: u16, pub properties: TypeProperties, /// Type index which describes the fields of this class pub fields: Option<TypeIndex>, /// Type index which describes the class from which this class is derived, if any pub derived_from: Option<TypeIndex>, /// Type index which describes the shape of the vtable for this class, if any pub vtable_shape: Option<TypeIndex>, pub size: u16, pub name: RawString<'t>, } /// Used by `ClassType` to distinguish class-like concepts. #[derive(Debug,Copy,Clone,PartialEq,Eq)] pub enum ClassKind { Class, Struct, Interface } /// The information parsed from a type record with kind `LF_MEMBER` or `LF_MEMBER_ST`. #[derive(Debug,Clone,PartialEq,Eq)] pub struct MemberType<'t> { pub attributes: FieldAttributes, pub field_type: TypeIndex, pub offset: u16, pub name: RawString<'t>, } /// The information parsed from a type record with kind `LF_MFUNCTION`. #[derive(Debug,Copy,Clone,PartialEq,Eq)] pub struct MemberFunctionType { pub return_type: TypeIndex, pub class_type: TypeIndex, pub this_pointer_type: Option<TypeIndex>, pub attributes: FunctionAttributes, pub parameter_count: u16, pub argument_list: TypeIndex, pub this_adjustment: u32, } /// The information parsed from a type record with kind `LF_METHOD` or `LF_METHOD_ST`. #[derive(Debug,Clone,PartialEq,Eq)] pub struct OverloadedMethodType<'t> { pub count: u16, pub method_list: TypeIndex, pub name: RawString<'t>, } /// The information parsed from a type record with kind `LF_ONEMETHOD` or `LF_ONEMETHOD_ST`. #[derive(Debug,Clone,PartialEq,Eq)] pub struct MethodType<'t> { pub attributes: FieldAttributes, pub method_type: TypeIndex, pub vtable_offset: Option<u32>, pub name: RawString<'t>, } /// The information parsed from a type record with kind `LF_STMEMBER` or `LF_STMEMBER_ST`. #[derive(Debug,Clone,PartialEq,Eq)] pub struct StaticMemberType<'t> { pub attributes: FieldAttributes, pub field_type: TypeIndex, pub name: RawString<'t> } /// The information parsed from a type record with kind /// `LF_NESTTYPE`, `LF_NESTTYPE_ST`, `LF_NESTTYPEEX`, or `LF_NESTTYPEEX_ST`. #[derive(Debug,Clone,PartialEq,Eq)] pub struct NestedType<'t> { pub attributes: FieldAttributes, pub nested_type: TypeIndex, pub name: RawString<'t>, } /// The information parsed from a type record with kind `LF_BCLASS` or `LF_BINTERFACE`. #[derive(Debug,Copy,Clone,PartialEq,Eq)] pub struct BaseClassType { pub kind: ClassKind, pub attributes: FieldAttributes, pub base_class: TypeIndex, /// Describes the offset of the base class within the class pub offset: u32, } /// The information parsed from a type record with kind `LF_VBCLASS` or `LF_IVBCLASS`. #[derive(Debug,Copy,Clone,PartialEq,Eq)] pub struct VirtualBaseClassType { pub direct: bool, pub attributes: FieldAttributes, pub base_class: TypeIndex, pub base_pointer: TypeIndex, pub base_pointer_offset: u32, pub virtual_base_offset: u32, } /// The information parsed from a type record with kind `LF_VFUNCTAB`. #[derive(Debug,Copy,Clone,PartialEq,Eq)] pub struct VirtualFunctionTablePointerType { pub table: TypeIndex } /// The information parsed from a type record with kind `LF_PROCEDURE`. #[derive(Debug,Copy,Clone,PartialEq,Eq)] pub struct ProcedureType { pub return_type: Option<TypeIndex>, pub attributes: FunctionAttributes, pub parameter_count: u16, pub argument_list: TypeIndex, } /// The information parsed from a type record with kind `LF_POINTER`. #[derive(Debug,Copy,Clone,PartialEq,Eq)] pub struct PointerType { pub underlying_type: TypeIndex, pub attributes: PointerAttributes, } /// The information parsed from a type record with kind `LF_MODIFIER`. #[derive(Debug,Copy,Clone,PartialEq,Eq)] pub struct ModifierType { pub underlying_type: TypeIndex, pub constant: bool, pub volatile: bool, pub unaligned: bool, } /// The information parsed from a type record with kind `LF_ENUM` or `LF_ENUM_ST`. #[derive(Debug,Clone,PartialEq,Eq)] pub struct EnumerationType<'t> { pub count: u16, pub properties: TypeProperties, pub underlying_type: TypeIndex, pub fields: TypeIndex, pub name: RawString<'t>, } /// The information parsed from a type record with kind `LF_ENUMERATE` or `LF_ENUMERATE_ST`. #[derive(Debug,Clone,PartialEq,Eq)] pub struct EnumerateType<'t> { pub attributes: FieldAttributes, pub value: Variant, pub name: RawString<'t>, } /// The information parsed from a type record with kind /// `LF_ARRAY`, `LF_ARRAY_ST` or `LF_STRIDED_ARRAY`. #[derive(Debug,Clone,PartialEq,Eq)] pub struct ArrayType { pub element_type: TypeIndex, pub indexing_type: TypeIndex, pub stride: Option<u32>, /// Contains array dimensions as specified in the PDB. This is not what you expect: /// /// * Dimensions are specified in terms of byte sizes, not element counts. /// * Multidimensional arrays aggregate the lower dimensions into the sizes of the higher /// dimensions. /// /// Thus a `float[4][4]` has `dimensions: [16, 64]`. Determining array dimensions in terms /// of element counts requires determining the size of the `element_type` and iteratively /// dividing. pub dimensions: Vec<u32>, } /// The information parsed from a type record with kind `LF_UNION` or `LF_UNION_ST`. #[derive(Debug,Clone,PartialEq,Eq)] pub struct UnionType<'t> { pub count: u16, pub properties: TypeProperties, pub fields: TypeIndex, pub size: u32, pub name: RawString<'t>, } /// The information parsed from a type record with kind `LF_BITFIELD`. #[derive(Debug,Copy,Clone,PartialEq,Eq)] pub struct BitfieldType { pub underlying_type: TypeIndex, pub length: u8, pub position: u8, } /// The information parsed from a type record with kind `LF_FIELDLIST`. #[derive(Debug,Clone,PartialEq,Eq)] pub struct FieldList<'t> { pub fields: Vec<TypeData<'t>>, /// Sometimes fields can't all fit in a single FieldList, in which case the FieldList /// refers to another FieldList in a chain. pub continuation: Option<TypeIndex>, } /// The information parsed from a type record with kind `LF_ARGLIST`. #[derive(Debug,Clone,PartialEq,Eq)] pub struct ArgumentList { pub arguments: Vec<TypeIndex>, } /// The information parsed from a type record with kind `LF_METHODLIST`. #[derive(Debug,Clone,PartialEq,Eq)] pub struct MethodList { pub methods: Vec<MethodListEntry>, } /// An entry in a `MethodList`. #[derive(Debug,Copy,Clone,PartialEq,Eq)] pub struct MethodListEntry { pub attributes: FieldAttributes, pub method_type: TypeIndex, pub vtable_offset: Option<u32>, } /* // arrays: ParseBuf::from("\x03\x15\xa0\xdc\x0b\x00\x23\x00\x00\x00\x40\x00\x00\xf1").as_bytes(), ParseBuf::from("\x03\x15\xa0\xdc\x0b\x00\x23\x00\x00\x00\x50\x00\x00\xf1").as_bytes(), ParseBuf::from("\x03\x15\xa9\x12\x00\x00\x23\x00\x00\x00\x50\x02\x00\xf1").as_bytes(), ParseBuf::from("\x03\x15\xac\x12\x00\x00\x23\x00\x00\x00\x6c\x00\x00\xf1").as_bytes(), ParseBuf::from("\x03\x15\x14\x10\x00\x00\x23\x00\x00\x00\x80\x00\x00\xf1").as_bytes(), ParseBuf::from("\x03\x15\x75\x00\x00\x00\x23\x00\x00\x00\x28\x00\x00\xf1").as_bytes(), ParseBuf::from("\x03\x15\x14\x10\x00\x00\x23\x00\x00\x00\x70\x0e\x00\xf1").as_bytes(), ParseBuf::from("\x03\x15\x31\x14\x00\x00\x23\x00\x00\x00\x04\x02\x00\xf1").as_bytes(), ParseBuf::from("\x03\x15\x31\x14\x00\x00\x23\x00\x00\x00\x0e\x03\x00\xf1").as_bytes(), ParseBuf::from("\x03\x15\x77\x13\x00\x00\x23\x00\x00\x00\x02\x80\xbd\xda\x00\xf3\xf2\xf1").as_bytes(), ParseBuf::from("\x03\x15\xb7\x16\x00\x00\x23\x00\x00\x00\x28\x00\x00\xf1").as_bytes(), ParseBuf::from("\x03\x15\x14\x10\x00\x00\x23\x00\x00\x00\x55\x00\x00\xf1").as_bytes(), */