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chore: checkpoint before Python removal

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Sienna Meridian Satterwhite
2026-03-26 22:33:59 +00:00
parent 683cec9307
commit e568ddf82a
29972 changed files with 11269302 additions and 2 deletions
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1
vendor/asn1-rs-derive/.cargo-checksum.json vendored Normal file
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vendor/asn1-rs-derive/.cargo_vcs_info.json vendored Normal file
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"sha1": "f0bf28d2ce0697604110db64d89ca78bbf53ef58"
},
"path_in_vcs": "derive"
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vendor/asn1-rs-derive/Cargo.lock generated vendored Normal file
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# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
version = 4
[[package]]
name = "asn1-rs-derive"
version = "0.6.0"
dependencies = [
"proc-macro2",
"quote",
"syn",
"synstructure",
]
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vendor/asn1-rs-derive/Cargo.toml vendored Normal file
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# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO
#
# When uploading crates to the registry Cargo will automatically
# "normalize" Cargo.toml files for maximal compatibility
# with all versions of Cargo and also rewrite `path` dependencies
# to registry (e.g., crates.io) dependencies.
#
# If you are reading this file be aware that the original Cargo.toml
# will likely look very different (and much more reasonable).
# See Cargo.toml.orig for the original contents.
[package]
edition = "2018"
name = "asn1-rs-derive"
version = "0.6.0"
authors = ["Pierre Chifflier <chifflier@wzdftpd.net>"]
build = false
autolib = false
autobins = false
autoexamples = false
autotests = false
autobenches = false
description = "Derive macros for the `asn1-rs` crate"
homepage = "https://github.com/rusticata/asn1-rs"
readme = false
license = "MIT OR Apache-2.0"
repository = "https://github.com/rusticata/asn1-rs.git"
[lib]
name = "asn1_rs_derive"
path = "src/lib.rs"
proc-macro = true
[dependencies.proc-macro2]
version = "1.0"
[dependencies.quote]
version = "1.0"
[dependencies.syn]
version = "2.0"
features = ["full"]
[dependencies.synstructure]
version = "0.13"

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vendor/asn1-rs-derive/LICENSE-APACHE vendored Normal file
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25
vendor/asn1-rs-derive/LICENSE-MIT vendored Normal file
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Copyright (c) 2017 Pierre Chifflier
Permission is hereby granted, free of charge, to any
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.

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vendor/asn1-rs-derive/src/alias.rs vendored Normal file
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use crate::container::*;
use proc_macro2::Span;
use quote::quote;
use syn::{Data, Ident};
pub fn derive_ber_alias(s: synstructure::Structure) -> proc_macro2::TokenStream {
let ast = s.ast();
let container = match &ast.data {
Data::Struct(ds) => Container::from_datastruct(ds, ast, ContainerType::Alias),
_ => panic!("Unsupported type, cannot derive"),
};
let debug_derive = ast.attrs.iter().any(|attr| {
attr.meta
.path()
.is_ident(&Ident::new("debug_derive", Span::call_site()))
});
let impl_tryfrom = container.gen_tryfrom();
let impl_tagged = container.gen_tagged();
let ts = s.gen_impl(quote! {
extern crate asn1_rs;
#impl_tryfrom
#impl_tagged
});
if debug_derive {
eprintln!("{}", ts);
}
ts
}
pub fn derive_der_alias(s: synstructure::Structure) -> proc_macro2::TokenStream {
let ast = s.ast();
let container = match &ast.data {
Data::Struct(ds) => Container::from_datastruct(ds, ast, ContainerType::Alias),
_ => panic!("Unsupported type, cannot derive"),
};
let debug_derive = ast.attrs.iter().any(|attr| {
attr.meta
.path()
.is_ident(&Ident::new("debug_derive", Span::call_site()))
});
let impl_tryfrom = container.gen_tryfrom();
let impl_tagged = container.gen_tagged();
let impl_checkconstraints = container.gen_checkconstraints();
let impl_fromder = container.gen_fromder();
let ts = s.gen_impl(quote! {
extern crate asn1_rs;
#impl_tryfrom
#impl_tagged
#impl_checkconstraints
#impl_fromder
});
if debug_derive {
eprintln!("{}", ts);
}
ts
}

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vendor/asn1-rs-derive/src/container.rs vendored Normal file
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use proc_macro2::{Literal, Span, TokenStream};
use quote::{quote, ToTokens};
use syn::{
parse::ParseStream, parse_quote, spanned::Spanned, Attribute, DataStruct, DeriveInput, Field,
Fields, Ident, Lifetime, LitInt, Meta, Type, WherePredicate,
};
#[derive(Copy, Clone, Debug, PartialEq)]
pub enum ContainerType {
Alias,
Sequence,
Set,
}
impl ToTokens for ContainerType {
fn to_tokens(&self, tokens: &mut TokenStream) {
let s = match self {
ContainerType::Alias => quote! {},
ContainerType::Sequence => quote! { asn1_rs::Tag::Sequence },
ContainerType::Set => quote! { asn1_rs::Tag::Set },
};
s.to_tokens(tokens)
}
}
#[derive(Clone, Copy, Debug, PartialEq)]
enum Asn1Type {
Ber,
Der,
}
#[derive(Copy, Clone, Debug, PartialEq)]
pub enum Asn1TagKind {
Explicit,
Implicit,
}
impl ToTokens for Asn1TagKind {
fn to_tokens(&self, tokens: &mut TokenStream) {
let s = match self {
Asn1TagKind::Explicit => quote! { asn1_rs::Explicit },
Asn1TagKind::Implicit => quote! { asn1_rs::Implicit },
};
s.to_tokens(tokens)
}
}
#[derive(Copy, Clone, Debug, PartialEq)]
pub enum Asn1TagClass {
Universal,
Application,
ContextSpecific,
Private,
}
impl ToTokens for Asn1TagClass {
fn to_tokens(&self, tokens: &mut TokenStream) {
let s = match self {
Asn1TagClass::Application => quote! { asn1_rs::Class::APPLICATION },
Asn1TagClass::ContextSpecific => quote! { asn1_rs::Class::CONTEXT_SPECIFIC },
Asn1TagClass::Private => quote! { asn1_rs::Class::PRIVATE },
Asn1TagClass::Universal => quote! { asn1_rs::Class::UNIVERSAL },
};
s.to_tokens(tokens)
}
}
pub struct Container {
pub container_type: ContainerType,
pub fields: Vec<FieldInfo>,
pub where_predicates: Vec<WherePredicate>,
pub error: Option<Attribute>,
is_any: bool,
}
impl Container {
pub fn from_datastruct(
ds: &DataStruct,
ast: &DeriveInput,
container_type: ContainerType,
) -> Self {
let mut is_any = false;
match (container_type, &ds.fields) {
(ContainerType::Alias, Fields::Unnamed(f)) => {
if f.unnamed.len() != 1 {
panic!("Alias: only tuple fields with one element are supported");
}
match &f.unnamed[0].ty {
Type::Path(type_path)
if type_path
.clone()
.into_token_stream()
.to_string()
.starts_with("Any") =>
{
is_any = true;
}
_ => (),
}
}
(ContainerType::Alias, _) => panic!("BER/DER alias must be used with tuple strucs"),
(_, Fields::Unnamed(_)) => panic!("BER/DER sequence cannot be used on tuple structs"),
_ => (),
}
let fields = ds.fields.iter().map(FieldInfo::from).collect();
// get lifetimes from generics
let lfts: Vec<_> = ast.generics.lifetimes().collect();
let mut where_predicates = Vec::new();
if !lfts.is_empty() {
// input slice must outlive all lifetimes from Self
let lft = Lifetime::new("'ber", Span::call_site());
let wh: WherePredicate = parse_quote! { #lft: #(#lfts)+* };
where_predicates.push(wh);
};
// get custom attributes on container
let error = ast
.attrs
.iter()
.find(|attr| {
attr.meta
.path()
.is_ident(&Ident::new("error", Span::call_site()))
})
.cloned();
Container {
container_type,
fields,
where_predicates,
error,
is_any,
}
}
pub fn gen_tryfrom(&self) -> TokenStream {
let field_names = &self.fields.iter().map(|f| &f.name).collect::<Vec<_>>();
let parse_content =
derive_ber_sequence_content(&self.fields, Asn1Type::Ber, self.error.is_some());
let lifetime = Lifetime::new("'ber", Span::call_site());
let wh = &self.where_predicates;
let error = if let Some(attr) = &self.error {
get_attribute_meta(attr).expect("Invalid error attribute format")
} else {
quote! { asn1_rs::Error }
};
let fn_content = if self.container_type == ContainerType::Alias {
// special case: is this an alias for Any
if self.is_any {
quote! { Ok(Self(any)) }
} else {
quote! {
let res = TryFrom::try_from(any)?;
Ok(Self(res))
}
}
} else {
quote! {
use asn1_rs::nom::*;
any.tag().assert_eq(Self::TAG)?;
// no need to parse sequence, we already have content
let i = any.data;
//
#parse_content
//
let _ = i; // XXX check if empty?
Ok(Self{#(#field_names),*})
}
};
// note: `gen impl` in synstructure takes care of appending extra where clauses if any, and removing
// the `where` statement if there are none.
quote! {
use asn1_rs::{Any, FromBer};
use core::convert::TryFrom;
gen impl<#lifetime> TryFrom<Any<#lifetime>> for @Self where #(#wh)+* {
type Error = #error;
fn try_from(any: Any<#lifetime>) -> asn1_rs::Result<Self, #error> {
#fn_content
}
}
}
}
pub fn gen_tagged(&self) -> TokenStream {
let tag = if self.container_type == ContainerType::Alias {
// special case: is this an alias for Any
if self.is_any {
return quote! {};
}
// find type of sub-item
let ty = &self.fields[0].type_;
quote! { <#ty as asn1_rs::Tagged>::TAG }
} else {
let container_type = self.container_type;
quote! { #container_type }
};
quote! {
gen impl<'ber> asn1_rs::Tagged for @Self {
const TAG: asn1_rs::Tag = #tag;
}
}
}
pub fn gen_checkconstraints(&self) -> TokenStream {
let lifetime = Lifetime::new("'ber", Span::call_site());
let wh = &self.where_predicates;
// let parse_content = derive_ber_sequence_content(&field_names, Asn1Type::Der);
let fn_content = if self.container_type == ContainerType::Alias {
// special case: is this an alias for Any
if self.is_any {
return quote! {};
}
let ty = &self.fields[0].type_;
quote! {
any.tag().assert_eq(Self::TAG)?;
<#ty>::check_constraints(any)
}
} else {
let check_fields: Vec<_> = self
.fields
.iter()
.map(|field| {
let ty = &field.type_;
quote! {
let (rem, any) = Any::from_der(rem)?;
<#ty as CheckDerConstraints>::check_constraints(&any)?;
}
})
.collect();
quote! {
any.tag().assert_eq(Self::TAG)?;
let rem = &any.data;
#(#check_fields)*
Ok(())
}
};
// note: `gen impl` in synstructure takes care of appending extra where clauses if any, and removing
// the `where` statement if there are none.
quote! {
use asn1_rs::{CheckDerConstraints, Tagged};
gen impl<#lifetime> CheckDerConstraints for @Self where #(#wh)+* {
fn check_constraints(any: &Any) -> asn1_rs::Result<()> {
#fn_content
}
}
}
}
pub fn gen_fromder(&self) -> TokenStream {
let lifetime = Lifetime::new("'ber", Span::call_site());
let wh = &self.where_predicates;
let field_names = &self.fields.iter().map(|f| &f.name).collect::<Vec<_>>();
let parse_content =
derive_ber_sequence_content(&self.fields, Asn1Type::Der, self.error.is_some());
let error = if let Some(attr) = &self.error {
get_attribute_meta(attr).expect("Invalid error attribute format")
} else {
quote! { asn1_rs::Error }
};
let fn_content = if self.container_type == ContainerType::Alias {
// special case: is this an alias for Any
if self.is_any {
quote! {
let (rem, any) = asn1_rs::Any::from_der(bytes).map_err(asn1_rs::nom::Err::convert)?;
Ok((rem,Self(any)))
}
} else {
quote! {
let (rem, any) = asn1_rs::Any::from_der(bytes).map_err(asn1_rs::nom::Err::convert)?;
any.header.assert_tag(Self::TAG).map_err(|e| asn1_rs::nom::Err::Error(e.into()))?;
let res = TryFrom::try_from(any)?;
Ok((rem,Self(res)))
}
}
} else {
quote! {
let (rem, any) = asn1_rs::Any::from_der(bytes).map_err(asn1_rs::nom::Err::convert)?;
any.header.assert_tag(Self::TAG).map_err(|e| asn1_rs::nom::Err::Error(e.into()))?;
let i = any.data;
//
#parse_content
//
// let _ = i; // XXX check if empty?
Ok((rem,Self{#(#field_names),*}))
}
};
// note: `gen impl` in synstructure takes care of appending extra where clauses if any, and removing
// the `where` statement if there are none.
quote! {
use asn1_rs::FromDer;
gen impl<#lifetime> asn1_rs::FromDer<#lifetime, #error> for @Self where #(#wh)+* {
fn from_der(bytes: &#lifetime [u8]) -> asn1_rs::ParseResult<#lifetime, Self, #error> {
#fn_content
}
}
}
}
pub fn gen_to_der_len(&self) -> TokenStream {
let field_names = &self.fields.iter().map(|f| &f.name).collect::<Vec<_>>();
let add_len_instructions = field_names.iter().fold(Vec::new(), |mut instrs, field| {
instrs.push(quote! {total_len += self.#field.to_der_len()?;});
instrs
});
quote! {
fn to_der_len(&self) -> asn1_rs::Result<usize> {
let mut total_len = 0;
#(#add_len_instructions)*
// now add header length computation
if total_len < 127 {
// 1 (class+tag) + 1 (length) + len
Ok(2 + total_len)
} else {
// 1 (class+tag) + n (length) + len
let n = asn1_rs::Length::Definite(total_len).to_der_len()?;
Ok(1 + n + total_len)
}
}
}
}
pub fn gen_write_der_header(&self) -> TokenStream {
quote! {
fn write_der_header(&self, writer: &mut dyn std::io::Write) -> asn1_rs::SerializeResult<usize> {
let mut empty = std::io::empty();
let num_bytes = self.write_der_content(&mut empty)?;
let header = asn1_rs::Header::new(
asn1_rs::Class::Universal,
true,
asn1_rs::Sequence::TAG,
asn1_rs::Length::Definite(num_bytes),
);
header.write_der_header(writer).map_err(Into::into)
}
}
}
pub fn gen_write_der_content(&self) -> TokenStream {
let field_names = &self.fields.iter().map(|f| &f.name).collect::<Vec<_>>();
let write_instructions = field_names.iter().fold(Vec::new(), |mut instrs, field| {
instrs.push(quote! {num_bytes += self.#field.write_der_header(writer)?;});
instrs.push(quote! {num_bytes += self.#field.write_der_content(writer)?;});
instrs
});
quote! {
fn write_der_content(&self, writer: &mut dyn std::io::Write) -> asn1_rs::SerializeResult<usize> {
let mut num_bytes = 0;
#(#write_instructions)*
Ok(num_bytes)
}
}
}
}
#[derive(Debug)]
pub struct FieldInfo {
pub name: Ident,
pub type_: Type,
pub default: Option<TokenStream>,
pub optional: bool,
pub tag: Option<(Asn1TagKind, Asn1TagClass, u16)>,
pub map_err: Option<TokenStream>,
}
impl From<&Field> for FieldInfo {
fn from(field: &Field) -> Self {
// parse attributes and keep supported ones
let mut optional = false;
let mut tag = None;
let mut map_err = None;
let mut default = None;
let name = field
.ident
.as_ref()
.map_or_else(|| Ident::new("_", Span::call_site()), |s| s.clone());
for attr in &field.attrs {
let ident = match attr.meta.path().get_ident() {
Some(ident) => ident.to_string(),
None => continue,
};
match ident.as_str() {
"map_err" => {
let expr: syn::Expr = attr.parse_args().expect("could not parse map_err");
map_err = Some(quote! { #expr });
}
"default" => {
let expr: syn::Expr = attr.parse_args().expect("could not parse default");
default = Some(quote! { #expr });
optional = true;
}
"optional" => optional = true,
"tag_explicit" => {
if tag.is_some() {
panic!("tag cannot be set twice!");
}
let (class, value) = attr.parse_args_with(parse_tag_args).unwrap();
tag = Some((Asn1TagKind::Explicit, class, value));
}
"tag_implicit" => {
if tag.is_some() {
panic!("tag cannot be set twice!");
}
let (class, value) = attr.parse_args_with(parse_tag_args).unwrap();
tag = Some((Asn1TagKind::Implicit, class, value));
}
// ignore unknown attributes
_ => (),
}
}
FieldInfo {
name,
type_: field.ty.clone(),
default,
optional,
tag,
map_err,
}
}
}
fn parse_tag_args(stream: ParseStream) -> Result<(Asn1TagClass, u16), syn::Error> {
let tag_class: Option<Ident> = stream.parse()?;
let tag_class = if let Some(ident) = tag_class {
let s = ident.to_string().to_uppercase();
match s.as_str() {
"UNIVERSAL" => Asn1TagClass::Universal,
"CONTEXT-SPECIFIC" => Asn1TagClass::ContextSpecific,
"APPLICATION" => Asn1TagClass::Application,
"PRIVATE" => Asn1TagClass::Private,
_ => {
return Err(syn::Error::new(stream.span(), "Invalid tag class"));
}
}
} else {
Asn1TagClass::ContextSpecific
};
let lit: LitInt = stream.parse()?;
let value = lit.base10_parse::<u16>()?;
Ok((tag_class, value))
}
fn derive_ber_sequence_content(
fields: &[FieldInfo],
asn1_type: Asn1Type,
custom_errors: bool,
) -> TokenStream {
let field_parsers: Vec<_> = fields
.iter()
.map(|f| get_field_parser(f, asn1_type, custom_errors))
.collect();
quote! {
#(#field_parsers)*
}
}
fn get_field_parser(f: &FieldInfo, asn1_type: Asn1Type, custom_errors: bool) -> TokenStream {
let from = match asn1_type {
Asn1Type::Ber => quote! {FromBer::from_ber},
Asn1Type::Der => quote! {FromDer::from_der},
};
let name = &f.name;
let default = f
.default
.as_ref()
// use a type hint, otherwise compiler will not know what type provides .unwrap_or
.map(|x| quote! {let #name: Option<_> = #name; let #name = #name.unwrap_or(#x);});
let map_err = if let Some(tt) = f.map_err.as_ref() {
if asn1_type == Asn1Type::Ber {
Some(quote! {
.map_err(|err| err.map(#tt))
.map_err(asn1_rs::from_nom_error::<_, Self::Error>)
})
} else {
// Some(quote! { .map_err(|err| nom::Err::convert(#tt)) })
Some(quote! { .map_err(|err| err.map(#tt)) })
}
} else {
// add mapping functions only if custom errors are used
if custom_errors {
if asn1_type == Asn1Type::Ber {
Some(quote! { .map_err(asn1_rs::from_nom_error::<_, Self::Error>) })
} else {
Some(quote! { .map_err(nom::Err::convert) })
}
} else {
None
}
};
if let Some((tag_kind, class, n)) = f.tag {
let tag = Literal::u16_unsuffixed(n);
// test if tagged + optional
if f.optional {
return quote! {
let (i, #name) = {
if i.is_empty() {
(i, None)
} else {
let (_, header): (_, asn1_rs::Header) = #from(i)#map_err?;
if header.tag().0 == #tag {
let (i, t): (_, asn1_rs::TaggedValue::<_, _, #tag_kind, {#class}, #tag>) = #from(i)#map_err?;
(i, Some(t.into_inner()))
} else {
(i, None)
}
}
};
#default
};
} else {
// tagged, but not OPTIONAL
return quote! {
let (i, #name) = {
let (i, t): (_, asn1_rs::TaggedValue::<_, _, #tag_kind, {#class}, #tag>) = #from(i)#map_err?;
(i, t.into_inner())
};
#default
};
}
} else {
// neither tagged nor optional
quote! {
let (i, #name) = #from(i)#map_err?;
#default
}
}
}
fn get_attribute_meta(attr: &Attribute) -> Result<TokenStream, syn::Error> {
if let Meta::List(meta) = &attr.meta {
let content = &meta.tokens;
Ok(quote! { #content })
} else {
Err(syn::Error::new(
attr.span(),
"Invalid error attribute format",
))
}
}

74
vendor/asn1-rs-derive/src/lib.rs vendored Normal file
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@@ -0,0 +1,74 @@
mod alias;
mod container;
mod sequence;
mod set;
mod tostatic;
use alias::*;
use sequence::*;
use set::*;
use tostatic::derive_tostatic;
synstructure::decl_derive!([BerAlias, attributes(
debug_derive,
default,
optional,
tag_explicit,
tag_implicit,
error,
map_err
)] => derive_ber_alias);
synstructure::decl_derive!([DerAlias, attributes(
debug_derive,
default,
optional,
tag_explicit,
tag_implicit,
error,
map_err
)] => derive_der_alias);
synstructure::decl_derive!([BerSequence, attributes(
debug_derive,
default,
optional,
tag_explicit,
tag_implicit,
error,
map_err
)] => derive_ber_sequence);
synstructure::decl_derive!([DerSequence, attributes(
debug_derive,
default,
optional,
tag_explicit,
tag_implicit,
error,
map_err
)] => derive_der_sequence);
synstructure::decl_derive!([BerSet, attributes(
debug_derive,
default,
optional,
tag_explicit,
tag_implicit,
error,
map_err
)] => derive_ber_set);
synstructure::decl_derive!([DerSet, attributes(
debug_derive,
default,
optional,
tag_explicit,
tag_implicit,
error,
map_err
)] => derive_der_set);
synstructure::decl_derive!([ToStatic, attributes(
debug_derive
)] => derive_tostatic);
synstructure::decl_derive!([ToDerSequence, attributes(
debug_derive,
)] => derive_toder_sequence);

107
vendor/asn1-rs-derive/src/sequence.rs vendored Normal file
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@@ -0,0 +1,107 @@
use crate::container::*;
use proc_macro2::Span;
use quote::quote;
use syn::{Data, Ident, WherePredicate};
pub fn derive_ber_sequence(s: synstructure::Structure) -> proc_macro2::TokenStream {
let ast = s.ast();
let container = match &ast.data {
Data::Struct(ds) => Container::from_datastruct(ds, ast, ContainerType::Sequence),
_ => panic!("Unsupported type, cannot derive"),
};
let debug_derive = ast.attrs.iter().any(|attr| {
attr.meta
.path()
.is_ident(&Ident::new("debug_derive", Span::call_site()))
});
let impl_tryfrom = container.gen_tryfrom();
let impl_tagged = container.gen_tagged();
let ts = s.gen_impl(quote! {
extern crate asn1_rs;
#impl_tryfrom
#impl_tagged
});
if debug_derive {
eprintln!("{}", ts);
}
ts
}
pub fn derive_der_sequence(s: synstructure::Structure) -> proc_macro2::TokenStream {
let ast = s.ast();
let container = match &ast.data {
Data::Struct(ds) => Container::from_datastruct(ds, ast, ContainerType::Sequence),
_ => panic!("Unsupported type, cannot derive"),
};
let debug_derive = ast.attrs.iter().any(|attr| {
attr.meta
.path()
.is_ident(&Ident::new("debug_derive", Span::call_site()))
});
let impl_tryfrom = container.gen_tryfrom();
let impl_tagged = container.gen_tagged();
let impl_checkconstraints = container.gen_checkconstraints();
let impl_fromder = container.gen_fromder();
let ts = s.gen_impl(quote! {
extern crate asn1_rs;
#impl_tryfrom
#impl_tagged
#impl_checkconstraints
#impl_fromder
});
if debug_derive {
eprintln!("{}", ts);
}
ts
}
pub fn derive_toder_sequence(s: synstructure::Structure) -> proc_macro2::TokenStream {
let ast = s.ast();
let container = match &ast.data {
Data::Struct(ds) => Container::from_datastruct(ds, ast, ContainerType::Sequence),
_ => panic!("Unsupported type, cannot derive"),
};
let debug_derive = ast.attrs.iter().any(|attr| {
attr.meta
.path()
.is_ident(&Ident::new("debug_derive", Span::call_site()))
});
//let lifetime = Lifetime::new("'ber", Span::call_site());
let wh = &container.where_predicates;
// we must filter out the 'ber lifetime (added for parsers, but not used here)
let wh = wh.iter().filter(|predicate| match predicate {
WherePredicate::Lifetime(lft) => lft.lifetime.ident != "ber",
_ => true,
});
let impl_to_der_len = container.gen_to_der_len();
let impl_write_der_header = container.gen_write_der_header();
let impl_write_der_content = container.gen_write_der_content();
// note: `gen impl` in synstructure takes care of appending extra where clauses if any, and removing
// the `where` statement if there are none.
let ts = s.gen_impl(quote! {
extern crate asn1_rs;
#[cfg(feature = "std")]
gen impl asn1_rs::ToDer for @Self where #(#wh)+* {
#impl_to_der_len
#impl_write_der_header
#impl_write_der_content
}
});
if debug_derive {
eprintln!("{}", ts);
}
ts
}

63
vendor/asn1-rs-derive/src/set.rs vendored Normal file
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@@ -0,0 +1,63 @@
use crate::container::*;
use proc_macro2::Span;
use quote::quote;
use syn::{Data, Ident};
pub fn derive_ber_set(s: synstructure::Structure) -> proc_macro2::TokenStream {
let ast = s.ast();
let container = match &ast.data {
Data::Struct(ds) => Container::from_datastruct(ds, ast, ContainerType::Set),
_ => panic!("Unsupported type, cannot derive"),
};
let debug_derive = ast.attrs.iter().any(|attr| {
attr.meta
.path()
.is_ident(&Ident::new("debug_derive", Span::call_site()))
});
let impl_tryfrom = container.gen_tryfrom();
let impl_tagged = container.gen_tagged();
let ts = s.gen_impl(quote! {
extern crate asn1_rs;
#impl_tryfrom
#impl_tagged
});
if debug_derive {
eprintln!("{}", ts);
}
ts
}
pub fn derive_der_set(s: synstructure::Structure) -> proc_macro2::TokenStream {
let ast = s.ast();
let container = match &ast.data {
Data::Struct(ds) => Container::from_datastruct(ds, ast, ContainerType::Set),
_ => panic!("Unsupported type, cannot derive"),
};
let debug_derive = ast.attrs.iter().any(|attr| {
attr.meta
.path()
.is_ident(&Ident::new("debug_derive", Span::call_site()))
});
let impl_tryfrom = container.gen_tryfrom();
let impl_tagged = container.gen_tagged();
let impl_checkconstraints = container.gen_checkconstraints();
let impl_fromder = container.gen_fromder();
let ts = s.gen_impl(quote! {
extern crate asn1_rs;
#impl_tryfrom
#impl_tagged
#impl_checkconstraints
#impl_fromder
});
if debug_derive {
eprintln!("{}", ts);
}
ts
}

65
vendor/asn1-rs-derive/src/tostatic.rs vendored Normal file
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@@ -0,0 +1,65 @@
use proc_macro2::Span;
use quote::quote;
use syn::{Ident, Lifetime};
pub fn derive_tostatic(s: synstructure::Structure) -> proc_macro2::TokenStream {
let ast = s.ast();
let debug_derive = ast.attrs.iter().any(|attr| {
attr.meta
.path()
.is_ident(&Ident::new("debug_derive", Span::call_site()))
});
// if deriving a struct, there will be only one variant
// for enums, this will iterate on each variant
let body = s.each_variant(|vi| {
// bindings can be empty for unit variants
let instrs = vi
.bindings()
.iter()
.enumerate()
.fold(quote! {}, |acc, (idx, bi)| {
let ident = Ident::new(&format!("_{idx}"), Span::call_site());
quote! { #acc let #ident = #bi.to_static(); }
});
// use construct() to handle possible cases (unit/named/unnamed)
let c = vi.construct(|_f, i| {
let ident = Ident::new(&format!("_{i}"), Span::call_site());
quote! { #ident }
});
quote! { #instrs #c }
});
let struct_ident = &ast.ident;
// check if struct has lifetimes
let static_token = match ast.generics.lifetimes().count() {
0 => None,
1 => {
let lt = Lifetime::new("'static", Span::call_site());
Some(quote! {<#lt>})
}
_ => {
let lt_static = Lifetime::new("'static", Span::call_site());
let lts = ast.generics.lifetimes().map(|_| lt_static.clone());
Some(quote! {<#(#lts),*>})
}
};
let ts = s.gen_impl(quote! {
gen impl asn1_rs::ToStatic for @Self {
type Owned = #struct_ident #static_token;
fn to_static(&self) -> Self::Owned {
match *self {
#body
}
}
}
});
if debug_derive {
eprintln!("TS: {ts}");
}
ts
}