Skip to content

Implement AliasType #134

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
TrinityDevelopers wants to merge 2 commits into
base: master
Choose a base branch
from
Open

Implement AliasType #134

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
a35d000
Implement AliasType
TrinityDevelopers Jun 21, 2022
a331c23
Add Alias to TypeData::name
TrinityDevelopers Jun 23, 2022
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
17 changes: 16 additions & 1 deletion src/tpi/data.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,7 @@ pub enum TypeData<'t> {
Enumerate(EnumerateType<'t>),
Array(ArrayType),
Union(UnionType<'t>),
Alias(AliasType<'t>),
Bitfield(BitfieldType),
FieldList(FieldList<'t>),
ArgumentList(ArgumentList),
Expand All @@ -50,7 +51,8 @@ impl<'t> TypeData<'t> {
| Self::Nested(NestedType { ref name, .. })
| Self::Enumeration(EnumerationType { ref name, .. })
| Self::Enumerate(EnumerateType { ref name, .. })
| Self::Union(UnionType { ref name, .. }) => name,
| Self::Union(UnionType { ref name, .. })
| Self::Alias(AliasType { ref name, .. }) => name,
_ => return None,
};

Expand Down Expand Up @@ -336,6 +338,12 @@ pub(crate) fn parse_type_data<'t>(buf: &mut ParseBuffer<'t>) -> Result<TypeData<
Ok(TypeData::Union(union))
}

// https://github.com/Microsoft/microsoft-pdb/blob/082c5290e5aff028ae84e43affa8be717aa7af73/include/cvinfo.h#L1669-L1673
LF_ALIAS | LF_ALIAS_ST => Ok(TypeData::Alias(AliasType {
underlying_type: buf.parse()?,
name: parse_string(leaf, buf)?,
})),

// https://github.com/Microsoft/microsoft-pdb/blob/082c5290e5aff028ae84e43affa8be717aa7af73/include/cvinfo.h#L2164-L2170
LF_BITFIELD => Ok(TypeData::Bitfield(BitfieldType {
underlying_type: buf.parse()?,
Expand Down Expand Up @@ -1023,6 +1031,13 @@ pub struct UnionType<'t> {
pub unique_name: Option<RawString<'t>>,
}

/// The information parsed from a type record with kind `LF_ALIAS` or `LF_ALIAS_ST`.
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct AliasType<'t> {
pub underlying_type: TypeIndex,
pub name: RawString<'t>,
}

/// The information parsed from a type record with kind `LF_BITFIELD`.
#[derive(Debug, Copy, Clone, PartialEq, Eq)]
pub struct BitfieldType {
Expand Down