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chore: add vendor dependencies for kauma build

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0xalivecow 2024-10-23 10:20:38 +02:00
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commit 067ef6141c
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322
vendor/syn/tests/test_stmt.rs vendored Normal file
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#![allow(
clippy::assertions_on_result_states,
clippy::non_ascii_literal,
clippy::uninlined_format_args
)]
#[macro_use]
mod macros;
use proc_macro2::{Delimiter, Group, Ident, Span, TokenStream, TokenTree};
use quote::{quote, ToTokens as _};
use syn::parse::Parser as _;
use syn::{Block, Stmt};
#[test]
fn test_raw_operator() {
let stmt = syn::parse_str::<Stmt>("let _ = &raw const x;").unwrap();
snapshot!(stmt, @r###"
Stmt::Local {
pat: Pat::Wild,
init: Some(LocalInit {
expr: Expr::Verbatim(`& raw const x`),
}),
}
"###);
}
#[test]
fn test_raw_variable() {
let stmt = syn::parse_str::<Stmt>("let _ = &raw;").unwrap();
snapshot!(stmt, @r###"
Stmt::Local {
pat: Pat::Wild,
init: Some(LocalInit {
expr: Expr::Reference {
expr: Expr::Path {
path: Path {
segments: [
PathSegment {
ident: "raw",
},
],
},
},
},
}),
}
"###);
}
#[test]
fn test_raw_invalid() {
assert!(syn::parse_str::<Stmt>("let _ = &raw x;").is_err());
}
#[test]
fn test_none_group() {
// «∅ async fn f() {} ∅»
let tokens = TokenStream::from_iter([TokenTree::Group(Group::new(
Delimiter::None,
TokenStream::from_iter([
TokenTree::Ident(Ident::new("async", Span::call_site())),
TokenTree::Ident(Ident::new("fn", Span::call_site())),
TokenTree::Ident(Ident::new("f", Span::call_site())),
TokenTree::Group(Group::new(Delimiter::Parenthesis, TokenStream::new())),
TokenTree::Group(Group::new(Delimiter::Brace, TokenStream::new())),
]),
))]);
snapshot!(tokens as Stmt, @r###"
Stmt::Item(Item::Fn {
vis: Visibility::Inherited,
sig: Signature {
asyncness: Some,
ident: "f",
generics: Generics,
output: ReturnType::Default,
},
block: Block {
stmts: [],
},
})
"###);
let tokens = Group::new(Delimiter::None, quote!(let None = None)).to_token_stream();
let stmts = Block::parse_within.parse2(tokens).unwrap();
snapshot!(stmts, @r###"
[
Stmt::Expr(
Expr::Group {
expr: Expr::Let {
pat: Pat::Ident {
ident: "None",
},
expr: Expr::Path {
path: Path {
segments: [
PathSegment {
ident: "None",
},
],
},
},
},
},
None,
),
]
"###);
}
#[test]
fn test_let_dot_dot() {
let tokens = quote! {
let .. = 10;
};
snapshot!(tokens as Stmt, @r###"
Stmt::Local {
pat: Pat::Rest,
init: Some(LocalInit {
expr: Expr::Lit {
lit: 10,
},
}),
}
"###);
}
#[test]
fn test_let_else() {
let tokens = quote! {
let Some(x) = None else { return 0; };
};
snapshot!(tokens as Stmt, @r###"
Stmt::Local {
pat: Pat::TupleStruct {
path: Path {
segments: [
PathSegment {
ident: "Some",
},
],
},
elems: [
Pat::Ident {
ident: "x",
},
],
},
init: Some(LocalInit {
expr: Expr::Path {
path: Path {
segments: [
PathSegment {
ident: "None",
},
],
},
},
diverge: Some(Expr::Block {
block: Block {
stmts: [
Stmt::Expr(
Expr::Return {
expr: Some(Expr::Lit {
lit: 0,
}),
},
Some,
),
],
},
}),
}),
}
"###);
}
#[test]
fn test_macros() {
let tokens = quote! {
fn main() {
macro_rules! mac {}
thread_local! { static FOO }
println!("");
vec![]
}
};
snapshot!(tokens as Stmt, @r###"
Stmt::Item(Item::Fn {
vis: Visibility::Inherited,
sig: Signature {
ident: "main",
generics: Generics,
output: ReturnType::Default,
},
block: Block {
stmts: [
Stmt::Item(Item::Macro {
ident: Some("mac"),
mac: Macro {
path: Path {
segments: [
PathSegment {
ident: "macro_rules",
},
],
},
delimiter: MacroDelimiter::Brace,
tokens: TokenStream(``),
},
}),
Stmt::Macro {
mac: Macro {
path: Path {
segments: [
PathSegment {
ident: "thread_local",
},
],
},
delimiter: MacroDelimiter::Brace,
tokens: TokenStream(`static FOO`),
},
},
Stmt::Macro {
mac: Macro {
path: Path {
segments: [
PathSegment {
ident: "println",
},
],
},
delimiter: MacroDelimiter::Paren,
tokens: TokenStream(`""`),
},
semi_token: Some,
},
Stmt::Expr(
Expr::Macro {
mac: Macro {
path: Path {
segments: [
PathSegment {
ident: "vec",
},
],
},
delimiter: MacroDelimiter::Bracket,
tokens: TokenStream(``),
},
},
None,
),
],
},
})
"###);
}
#[test]
fn test_early_parse_loop() {
// The following is an Expr::Loop followed by Expr::Tuple. It is not an
// Expr::Call.
let tokens = quote! {
loop {}
()
};
let stmts = Block::parse_within.parse2(tokens).unwrap();
snapshot!(stmts, @r###"
[
Stmt::Expr(
Expr::Loop {
body: Block {
stmts: [],
},
},
None,
),
Stmt::Expr(
Expr::Tuple,
None,
),
]
"###);
let tokens = quote! {
'a: loop {}
()
};
let stmts = Block::parse_within.parse2(tokens).unwrap();
snapshot!(stmts, @r###"
[
Stmt::Expr(
Expr::Loop {
label: Some(Label {
name: Lifetime {
ident: "a",
},
}),
body: Block {
stmts: [],
},
},
None,
),
Stmt::Expr(
Expr::Tuple,
None,
),
]
"###);
}