Mercurial > crates > nonstick

annotate libpam-sys/libpam-sys-impls/src/lib.rs @ 113:178310336596

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix up more constants, make things i32 rather than u32.
author Paul Fisher <paul@pfish.zone>
date Sun, 29 Jun 2025 03:11:33 -0400
parents 2346fd501b7a
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
108
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
1 use proc_macro as pm;
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
2 use proc_macro2::{Delimiter, Group, Literal, Span, TokenStream, TokenTree};
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
3 use quote::{format_ident, quote};
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
4 use std::fmt::Display;
110
2346fd501b7a Add tests for constants and do other macro niceties.
Paul Fisher <paul@pfish.zone>
parents: 109
diff changeset
5 use std::str::FromStr;
108
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
6 use syn::Lit;
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
7
110
2346fd501b7a Add tests for constants and do other macro niceties.
Paul Fisher <paul@pfish.zone>
parents: 109
diff changeset
8 // For documentation on this, see the `libpam-sys` crate.
108
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
9 #[proc_macro_attribute]
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
10 pub fn cfg_pam_impl(attr: pm::TokenStream, item: pm::TokenStream) -> pm::TokenStream {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
11 Predicate::parse(attr.into(), None)
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
12 .map(|p| {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
13 if p.matches(pam_impl_str()) {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
14 item
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
15 } else {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
16 pm::TokenStream::new()
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
17 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
18 })
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
19 .unwrap_or_else(|e| syn::Error::from(e).into_compile_error().into())
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
20 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
21
110
2346fd501b7a Add tests for constants and do other macro niceties.
Paul Fisher <paul@pfish.zone>
parents: 109
diff changeset
22 /// Outputs the `PamImpl` enum and `LIBPAMSYS_IMPL` constant.
2346fd501b7a Add tests for constants and do other macro niceties.
Paul Fisher <paul@pfish.zone>
parents: 109
diff changeset
23 /// For use only in `libpam-sys`.
2346fd501b7a Add tests for constants and do other macro niceties.
Paul Fisher <paul@pfish.zone>
parents: 109
diff changeset
24 ///
2346fd501b7a Add tests for constants and do other macro niceties.
Paul Fisher <paul@pfish.zone>
parents: 109
diff changeset
25 /// The tokens passed into the macro are pasted immediately before the enum.
109
bb465393621f Minor cleanup and reorg.
Paul Fisher <paul@pfish.zone>
parents: 108
diff changeset
26 #[proc_macro]
110
2346fd501b7a Add tests for constants and do other macro niceties.
Paul Fisher <paul@pfish.zone>
parents: 109
diff changeset
27 pub fn __pam_impl_enum__(data: pm::TokenStream) -> pm::TokenStream {
109
bb465393621f Minor cleanup and reorg.
Paul Fisher <paul@pfish.zone>
parents: 108
diff changeset
28 let variant = format_ident!("{}", pam_impl_str());
110
2346fd501b7a Add tests for constants and do other macro niceties.
Paul Fisher <paul@pfish.zone>
parents: 109
diff changeset
29 TokenStream::from_iter([
2346fd501b7a Add tests for constants and do other macro niceties.
Paul Fisher <paul@pfish.zone>
parents: 109
diff changeset
30 data.into(),
2346fd501b7a Add tests for constants and do other macro niceties.
Paul Fisher <paul@pfish.zone>
parents: 109
diff changeset
31 TokenStream::from_str(include_str!(concat!(env!("OUT_DIR"), "/pam_impl_enum.rs"))).unwrap(),
2346fd501b7a Add tests for constants and do other macro niceties.
Paul Fisher <paul@pfish.zone>
parents: 109
diff changeset
32 quote!(
2346fd501b7a Add tests for constants and do other macro niceties.
Paul Fisher <paul@pfish.zone>
parents: 109
diff changeset
33 impl PamImpl {
2346fd501b7a Add tests for constants and do other macro niceties.
Paul Fisher <paul@pfish.zone>
parents: 109
diff changeset
34 #[doc = concat!("The PAM implementation this was built for (currently `", stringify!(#variant), ")`.")]
2346fd501b7a Add tests for constants and do other macro niceties.
Paul Fisher <paul@pfish.zone>
parents: 109
diff changeset
35 pub const CURRENT: Self = Self::#variant;
2346fd501b7a Add tests for constants and do other macro niceties.
Paul Fisher <paul@pfish.zone>
parents: 109
diff changeset
36 }
2346fd501b7a Add tests for constants and do other macro niceties.
Paul Fisher <paul@pfish.zone>
parents: 109
diff changeset
37 ),
2346fd501b7a Add tests for constants and do other macro niceties.
Paul Fisher <paul@pfish.zone>
parents: 109
diff changeset
38 ]).into()
109
bb465393621f Minor cleanup and reorg.
Paul Fisher <paul@pfish.zone>
parents: 108
diff changeset
39 }
bb465393621f Minor cleanup and reorg.
Paul Fisher <paul@pfish.zone>
parents: 108
diff changeset
40
110
2346fd501b7a Add tests for constants and do other macro niceties.
Paul Fisher <paul@pfish.zone>
parents: 109
diff changeset
41 /// The name of the PAM implementation. For use only in `libpam-sys`.
109
bb465393621f Minor cleanup and reorg.
Paul Fisher <paul@pfish.zone>
parents: 108
diff changeset
42 #[proc_macro]
110
2346fd501b7a Add tests for constants and do other macro niceties.
Paul Fisher <paul@pfish.zone>
parents: 109
diff changeset
43 pub fn __pam_impl_name__(data: pm::TokenStream) -> pm::TokenStream {
109
bb465393621f Minor cleanup and reorg.
Paul Fisher <paul@pfish.zone>
parents: 108
diff changeset
44 if !data.is_empty() {
bb465393621f Minor cleanup and reorg.
Paul Fisher <paul@pfish.zone>
parents: 108
diff changeset
45 panic!("pam_impl_name! does not take any input")
bb465393621f Minor cleanup and reorg.
Paul Fisher <paul@pfish.zone>
parents: 108
diff changeset
46 }
bb465393621f Minor cleanup and reorg.
Paul Fisher <paul@pfish.zone>
parents: 108
diff changeset
47 pm::TokenTree::Literal(pm::Literal::string(pam_impl_str())).into()
bb465393621f Minor cleanup and reorg.
Paul Fisher <paul@pfish.zone>
parents: 108
diff changeset
48 }
bb465393621f Minor cleanup and reorg.
Paul Fisher <paul@pfish.zone>
parents: 108
diff changeset
49
bb465393621f Minor cleanup and reorg.
Paul Fisher <paul@pfish.zone>
parents: 108
diff changeset
50 fn pam_impl_str() -> &'static str {
bb465393621f Minor cleanup and reorg.
Paul Fisher <paul@pfish.zone>
parents: 108
diff changeset
51 env!("LIBPAMSYS_IMPL")
bb465393621f Minor cleanup and reorg.
Paul Fisher <paul@pfish.zone>
parents: 108
diff changeset
52 }
bb465393621f Minor cleanup and reorg.
Paul Fisher <paul@pfish.zone>
parents: 108
diff changeset
53
108
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
54 #[derive(Debug)]
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
55 enum Error {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
56 WithSpan(syn::Error),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
57 WithoutSpan(String),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
58 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
59
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
60 impl Error {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
61 fn new<D: Display>(span: Option<Span>, msg: D) -> Self {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
62 match span {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
63 Some(span) => syn::Error::new(span, msg).into(),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
64 None => Self::WithoutSpan(msg.to_string()),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
65 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
66 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
67 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
68
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
69 impl From<syn::Error> for Error {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
70 fn from(value: syn::Error) -> Self {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
71 Self::WithSpan(value)
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
72 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
73 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
74
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
75 impl From<String> for Error {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
76 fn from(value: String) -> Self {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
77 Self::WithoutSpan(value)
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
78 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
79 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
80
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
81 impl From<Error> for syn::Error {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
82 fn from(value: Error) -> Self {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
83 match value {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
84 Error::WithSpan(e) => e,
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
85 Error::WithoutSpan(s) => syn::Error::new(Span::call_site(), s),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
86 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
87 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
88 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
89
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
90 type Result<T> = std::result::Result<T, Error>;
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
91
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
92 #[derive(Debug)]
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
93 enum Predicate {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
94 Literal(String),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
95 Any(Vec<String>),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
96 Not(Box<Predicate>),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
97 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
98
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
99 impl Predicate {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
100 fn matches(&self, value: &str) -> bool {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
101 match self {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
102 Self::Literal(literal) => value == literal,
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
103 Self::Not(pred) => !pred.matches(value),
109
bb465393621f Minor cleanup and reorg.
Paul Fisher <paul@pfish.zone>
parents: 108
diff changeset
104 Self::Any(options) => options.iter().any(|s| s == value),
108
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
105 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
106 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
107
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
108 fn parse(stream: TokenStream, span: Option<Span>) -> Result<Self> {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
109 let mut iter = stream.into_iter();
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
110 let pred = match iter.next() {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
111 None => return error(span, "a PAM implementation predicate must be provided"),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
112 Some(TokenTree::Literal(lit)) => Self::Literal(Self::string_lit(lit)?),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
113 Some(TokenTree::Ident(id)) => {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
114 let next = Self::parens(iter.next(), span)?;
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
115 match id.to_string().as_str() {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
116 "not" => Self::Not(Box::new(Self::parse(next.stream(), Some(next.span()))?)),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
117 "any" => Self::Any(Self::parse_any(next)?),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
118 _ => return unexpected(&id.into(), "\"not\" or \"any\""),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
119 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
120 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
121 Some(other) => return unexpected(&other, "\"not\", \"any\", or a string literal"),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
122 };
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
123 // Check for anything after. We only allow a comma and nothing else.
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
124 if maybe_comma(iter.next())? {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
125 if let Some(next) = iter.next() {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
126 return unexpected(&next, "nothing");
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
127 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
128 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
129 Ok(pred)
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
130 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
131
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
132 fn parens(tree: Option<TokenTree>, mut span: Option<Span>) -> Result<Group> {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
133 if let Some(tree) = tree {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
134 span = Some(tree.span());
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
135 if let TokenTree::Group(g) = tree {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
136 if g.delimiter() == Delimiter::Parenthesis {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
137 return Ok(g);
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
138 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
139 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
140 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
141 Err(Error::new(span, "expected function-call syntax"))
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
142 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
143
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
144 fn parse_any(g: Group) -> Result<Vec<String>> {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
145 let mut output = Vec::new();
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
146 let mut iter = g.stream().into_iter();
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
147 loop {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
148 match iter.next() {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
149 None => break,
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
150 Some(TokenTree::Literal(lit)) => {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
151 output.push(Self::string_lit(lit)?);
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
152 if !maybe_comma(iter.next())? {
109
bb465393621f Minor cleanup and reorg.
Paul Fisher <paul@pfish.zone>
parents: 108
diff changeset
153 break;
108
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
154 }
109
bb465393621f Minor cleanup and reorg.
Paul Fisher <paul@pfish.zone>
parents: 108
diff changeset
155 }
108
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
156 Some(other) => return unexpected(&other, "string literal"),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
157 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
158 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
159 Ok(output)
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
160 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
161
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
162 fn string_lit(lit: Literal) -> Result<String> {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
163 let tree: TokenTree = lit.clone().into();
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
164 match syn::parse2::<Lit>(tree.into())? {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
165 Lit::Str(s) => Ok(s.value()),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
166 _ => unexpected(&lit.into(), "string literal"),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
167 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
168 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
169 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
170
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
171 fn error<T, M: Display>(span: Option<Span>, message: M) -> Result<T> {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
172 Err(Error::new(span, message))
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
173 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
174
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
175 fn unexpected<T>(tree: &TokenTree, want: &str) -> Result<T> {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
176 error(
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
177 Some(tree.span()),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
178 format!("expected {want}; got unexpected token {tree}"),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
179 )
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
180 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
181
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
182 fn maybe_comma(next: Option<TokenTree>) -> Result<bool> {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
183 match next {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
184 None => Ok(false),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
185 Some(tree) => {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
186 if let TokenTree::Punct(p) = &tree {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
187 if p.as_char() == ',' {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
188 return Ok(true);
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
189 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
190 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
191 unexpected(&tree, "',' or ')'")
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
192 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
193 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
194 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
195
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
196 #[cfg(test)]
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
197 mod tests {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
198 use super::*;
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
199
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
200 fn parse(tree: TokenStream) -> Predicate {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
201 Predicate::parse(tree, None).unwrap()
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
202 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
203
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
204 #[test]
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
205 fn test_parse() {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
206 macro_rules! cases {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
207 ($(($($i:tt)*)),* $(,)?) => { [ $( quote!($($i)*) ),* ] };
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
208 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
209
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
210 let good = cases![
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
211 ("this"),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
212 (any("this", "that", "the other")),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
213 (not("the bees")),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
214 (not(any("of", "those"))),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
215 (not(not("saying it"))),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
216 (any("trailing", "comma", "allowed",)),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
217 ("even on a singleton",),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
218 (not("forbidden here either",)),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
219 (not(not(any("this", "is", "stupid"),),),),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
220 ];
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
221 for tree in good {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
222 parse(tree);
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
223 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
224 let bad = cases![
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
225 (),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
226 (wrong),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
227 (wheel::of::fortune),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
228 ("invalid", "syntax"),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
229 (any(any)),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
230 (any),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
231 (not),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
232 (not(any)),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
233 ("too many commas",,),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
234 (any("too", "many",, "commas")),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
235 (not("the commas",,,)),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
236 (9),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
237 (any("123", 8)),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
238 (not(666)),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
239 ];
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
240 for tree in bad {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
241 Predicate::parse(tree, None).unwrap_err();
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
242 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
243 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
244
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
245 #[test]
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
246 fn test_match() {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
247 macro_rules! cases {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
248 ($(($e:expr, ($($i:tt)*))),* $(,)?) => {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
249 [$(($e, quote!($($i)*))),*]
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
250 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
251 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
252 let matching = cases![
110
2346fd501b7a Add tests for constants and do other macro niceties.
Paul Fisher <paul@pfish.zone>
parents: 109
diff changeset
253 ("Sun", (any("Sun", "OpenPam"))),
2346fd501b7a Add tests for constants and do other macro niceties.
Paul Fisher <paul@pfish.zone>
parents: 109
diff changeset
254 ("OpenPam", (any("Sun", "OpenPam"))),
108
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
255 ("LinuxPam", (not("OpenPam"))),
109
bb465393621f Minor cleanup and reorg.
Paul Fisher <paul@pfish.zone>
parents: 108
diff changeset
256 ("MinimalOpenPam", (not("OpenPam"))),
108
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
257 ("Other", (not(any("This", "That")))),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
258 ("OpenPam", (not(not("OpenPam")))),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
259 ("Anything", (not(any()))),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
260 ];
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
261 for (good, tree) in matching {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
262 let pred = parse(tree);
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
263 assert!(pred.matches(good))
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
264 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
265
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
266 let nonmatching = cases![
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
267 ("LinuxPam", (not("LinuxPam"))),
110
2346fd501b7a Add tests for constants and do other macro niceties.
Paul Fisher <paul@pfish.zone>
parents: 109
diff changeset
268 ("Sun", ("LinuxPam")),
2346fd501b7a Add tests for constants and do other macro niceties.
Paul Fisher <paul@pfish.zone>
parents: 109
diff changeset
269 ("OpenPam", (any("LinuxPam", "Sun"))),
108
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
270 ("One", (not(any("One", "Another")))),
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
271 ("Negatory", (not(not("Affirmative")))),
110
2346fd501b7a Add tests for constants and do other macro niceties.
Paul Fisher <paul@pfish.zone>
parents: 109
diff changeset
272 ("MinimalOpenPam", ("OpenPam")),
113
178310336596 Fix up more constants, make things i32 rather than u32.
Paul Fisher <paul@pfish.zone>
parents: 110
diff changeset
273 ("OpenPam", ("MinimalOpenPam")),
108
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
274 ];
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
275 for (bad, tree) in nonmatching {
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
276 let pred = parse(tree);
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
277 assert!(!pred.matches(bad))
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
278 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
279 }
e97534be35e3 Make some proc macros for doing cfg-like stuff for PAM impls.
Paul Fisher <paul@pfish.zone>
parents:
diff changeset
280 }