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Copy pathannotations.py
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2481 lines (2024 loc) · 40.2 KB
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from misc.codegen.lib.schemadefs import *
from .ast import *
class LabelableExpr(Expr):
"""
The base class for expressions that can be labeled (`LoopExpr`, `ForExpr`, `WhileExpr` or `BlockExpr`).
"""
label: optional[Label] | child
class LoopingExpr(LabelableExpr):
"""
The base class for expressions that loop (`LoopExpr`, `ForExpr` or `WhileExpr`).
"""
loop_body: optional["BlockExpr"] | child
@annotate(Adt, replace_bases={AstNode: Item})
class _:
"""
An ADT (Abstract Data Type) definition, such as `Struct`, `Enum`, or `Union`.
"""
derive_macro_expansions: list[MacroItems] | child | rust.detach
@annotate(Module)
@rust.doc_test_signature(None)
class _:
"""
A module declaration. For example:
```rust
mod foo;
```
```rust
mod bar {
pub fn baz() {}
}
```
"""
@annotate(Expr, cfg=True)
class _:
"""
The base class for expressions.
"""
@annotate(Pat, cfg=True)
class _:
"""
The base class for patterns.
"""
@annotate(Label)
class _:
"""
A label. For example:
```rust
'label: loop {
println!("Hello, world (once)!");
break 'label;
};
```
"""
@annotate(Stmt)
class _:
"""
The base class for statements.
"""
@annotate(TypeRepr)
class _:
"""
The base class for type references.
```rust
let x: i32;
let y: Vec<i32>;
let z: Option<i32>;
```
"""
@annotate(Path)
class _:
"""
A path. For example:
```rust
use some_crate::some_module::some_item;
foo::bar;
```
"""
segment: _ | ql.db_table_name("path_segments_") | doc(
"last segment of this path")
@annotate(GenericArgList)
class _:
"""
The base class for generic arguments.
```rust
x.foo::<u32, u64>(42);
```
"""
@annotate(Function)
@rust.doc_test_signature(None)
class _:
"""
A function declaration. For example
```rust
fn foo(x: u32) -> u64 {(x + 1).into()}
```
A function declaration within a trait might not have a body:
```rust
trait Trait {
fn bar();
}
```
"""
class PathExprBase(Expr):
"""
A path expression or a variable access in a formatting template. See `PathExpr` and `FormatTemplateVariableAccess` for further details.
"""
@annotate(PathExpr, replace_bases={Expr: PathExprBase}, add_bases=(PathAstNode,), cfg=True)
@qltest.test_with(Path)
class _:
"""
A path expression. For example:
```rust
let x = variable;
let x = foo::bar;
let y = <T>::foo;
let z = <TypeRepr as Trait>::foo;
```
"""
path: drop
@annotate(IfExpr, cfg=True)
class _:
"""
An `if` expression. For example:
```rust
if x == 42 {
println!("that's the answer");
}
```
```rust
let y = if x > 0 {
1
} else {
0
};
```
"""
@annotate(LetExpr, cfg=True)
@rust.doc_test_signature("(maybe_some: Option<String>) -> ()")
class _:
"""
A `let` expression. For example:
```rust
if let Some(x) = maybe_some {
println!("{}", x);
}
```
"""
@annotate(BlockExpr, replace_bases={Expr: LabelableExpr}, cfg=True)
class _:
"""
A block expression. For example:
```rust
{
let x = 42;
}
```
```rust
'label: {
let x = 42;
x
}
```
"""
label: drop
@annotate(LoopExpr, replace_bases={Expr: LoopingExpr}, cfg=True)
class _:
"""
A loop expression. For example:
```rust
loop {
println!("Hello, world (again)!");
};
```
```rust
'label: loop {
println!("Hello, world (once)!");
break 'label;
};
```
```rust
let mut x = 0;
loop {
if x < 10 {
x += 1;
} else {
break;
}
};
```
"""
label: drop
loop_body: drop
class CallExprBase(Expr):
"""
A function or method call expression. See `CallExpr` and `MethodCallExpr` for further details.
"""
arg_list: optional["ArgList"] | child
attrs: list["Attr"] | child
args: list["Expr"] | synth
@annotate(CallExpr, replace_bases={Expr: CallExprBase}, cfg=True)
class _:
"""
A function call expression. For example:
```rust
foo(42);
foo::<u32, u64>(42);
foo[0](42);
foo(1) = 4;
```
"""
arg_list: drop
attrs: drop
@annotate(MethodCallExpr, replace_bases={Expr: CallExprBase}, cfg=True)
class _:
"""
A method call expression. For example:
```rust
x.foo(42);
x.foo::<u32, u64>(42);
```
"""
arg_list: drop
attrs: drop
@annotate(MatchArm)
@rust.doc_test_signature("(x: i32) -> i32")
class _:
"""
A match arm. For example:
```rust
match x {
Option::Some(y) => y,
Option::None => 0,
};
```
```rust
match x {
Some(y) if y != 0 => 1 / y,
_ => 0,
};
```
"""
@annotate(MatchExpr, cfg=True)
@rust.doc_test_signature("(x: i32) -> i32")
class _:
"""
A match expression. For example:
```rust
match x {
Option::Some(y) => y,
Option::None => 0,
}
```
```rust
match x {
Some(y) if y != 0 => 1 / y,
_ => 0,
}
```
"""
scrutinee: _ | doc(
"scrutinee (the expression being matched) of this match expression")
@annotate(ContinueExpr, cfg=True)
class _:
"""
A continue expression. For example:
```rust
loop {
if not_ready() {
continue;
}
}
```
```rust
'label: loop {
if not_ready() {
continue 'label;
}
}
```
"""
@annotate(BreakExpr, cfg=True)
class _:
"""
A break expression. For example:
```rust
loop {
if not_ready() {
break;
}
}
```
```rust
let x = 'label: loop {
if done() {
break 'label 42;
}
};
```
```rust
let x = 'label: {
if exit() {
break 'label 42;
}
0;
};
```
"""
@annotate(ReturnExpr, cfg=True)
@rust.doc_test_signature(None)
class _:
"""
A return expression. For example:
```rust
fn some_value() -> i32 {
return 42;
}
```
```rust
fn no_value() -> () {
return;
}
```
"""
@annotate(BecomeExpr, cfg=True)
@rust.doc_test_signature(None)
class _:
"""
A `become` expression. For example:
```rust
fn fact_a(n: i32, a: i32) -> i32 {
if n == 0 {
a
} else {
become fact_a(n - 1, n * a)
}
}
```
"""
@annotate(YieldExpr, cfg=True)
class _:
"""
A `yield` expression. For example:
```rust
let one = #[coroutine]
|| {
yield 1;
};
```
"""
@annotate(YeetExpr, cfg=True)
class _:
"""
A `yeet` expression. For example:
```rust
if x < size {
do yeet "index out of bounds";
}
```
"""
@annotate(StructExprField)
class _:
"""
A field in a struct expression. For example `a: 1` in:
```rust
Foo { a: 1, b: 2 };
```
"""
@annotate(StructExpr, add_bases=(PathAstNode,), cfg=True)
class _:
"""
A struct expression. For example:
```rust
let first = Foo { a: 1, b: 2 };
let second = Foo { a: 2, ..first };
let n = Foo { a: 1, b: 2 }.b;
Foo { a: m, .. } = second;
```
"""
path: drop
@annotate(FieldExpr, cfg=True)
class _:
"""
A field access expression. For example:
```rust
x.foo
```
"""
@annotate(AwaitExpr, cfg=True)
class _:
"""
An `await` expression. For example:
```rust
async {
let x = foo().await;
x
}
```
"""
@annotate(CastExpr, cfg=True)
class _:
"""
A type cast expression. For example:
```rust
value as u64;
```
"""
@annotate(RefExpr, cfg=True)
class _:
"""
A reference expression. For example:
```rust
let ref_const = &foo;
let ref_mut = &mut foo;
let raw_const: &mut i32 = &raw const foo;
let raw_mut: &mut i32 = &raw mut foo;
```
"""
@annotate(PrefixExpr, cfg=True)
class _:
"""
A unary operation expression. For example:
```rust
let x = -42;
let y = !true;
let z = *ptr;
```
"""
@annotate(BinaryExpr, cfg=True)
class _:
"""
A binary operation expression. For example:
```rust
x + y;
x && y;
x <= y;
x = y;
x += y;
```
"""
@annotate(RangeExpr, cfg=True)
class _:
"""
A range expression. For example:
```rust
let x = 1..=10;
let x = 1..10;
let x = 10..;
let x = ..10;
let x = ..=10;
let x = ..;
```
"""
@annotate(IndexExpr, cfg=True)
class _:
"""
An index expression. For example:
```rust
list[42];
list[42] = 1;
```
"""
@annotate(ClosureExpr)
class _:
"""
A closure expression. For example:
```rust
|x| x + 1;
move |x: i32| -> i32 { x + 1 };
async |x: i32, y| x + y;
#[coroutine]
|x| yield x;
#[coroutine]
static |x| yield x;
for<T: std::fmt::Debug> |x: T| {
println!("{:?}", x);
};
```
"""
@annotate(TupleExpr, cfg=True)
class _:
"""
A tuple expression. For example:
```rust
let tuple = (1, "one");
let n = (2, "two").0;
let (a, b) = tuple;
```
"""
@annotate(ArrayExprInternal)
@ql.internal
@qltest.skip
class _:
pass
class ArrayExpr(Expr):
"""
The base class for array expressions. For example:
```rust
[1, 2, 3];
[1; 10];
```
"""
exprs: list[Expr] | child
attrs: list[Attr] | child
@synth.from_class(ArrayExprInternal)
class ArrayListExpr(ArrayExpr):
"""
An array expression with a list of elements. For example:
```rust
[1, 2, 3];
```
"""
__cfg__ = True
@synth.from_class(ArrayExprInternal)
class ArrayRepeatExpr(ArrayExpr):
"""
An array expression with a repeat operand and a repeat length. For example:
```rust
[1; 10];
```
"""
__cfg__ = True
repeat_operand: Expr | child
repeat_length: Expr | child
@annotate(LiteralExpr, cfg=True)
class _:
"""
A literal expression. For example:
```rust
42;
42.0;
"Hello, world!";
b"Hello, world!";
'x';
b'x';
r"Hello, world!";
true;
```
"""
@annotate(UnderscoreExpr, cfg=True)
class _:
"""
An underscore expression. For example:
```rust
_ = 42;
```
"""
@annotate(OffsetOfExpr, cfg=True)
class _:
"""
An `offset_of` expression. For example:
```rust
builtin # offset_of(Struct, field);
```
"""
@annotate(AsmExpr, cfg=True)
class _:
"""
An inline assembly expression. For example:
```rust
unsafe {
#[inline(always)]
builtin # asm("cmp {0}, {1}", in(reg) a, in(reg) b);
}
```
"""
@annotate(LetStmt, cfg=True)
class _:
"""
A let statement. For example:
```rust
let x = 42;
let x: i32 = 42;
let x: i32;
let x;
let (x, y) = (1, 2);
let Some(x) = std::env::var("FOO") else {
return;
};
```
"""
@annotate(ExprStmt)
class _:
"""
An expression statement. For example:
```rust
start();
finish();
use std::env;
```
"""
@annotate(WildcardPat, cfg=True)
class _:
"""
A wildcard pattern. For example:
```rust
let _ = 42;
```
"""
@annotate(TuplePat, cfg=True)
class _:
"""
A tuple pattern. For example:
```rust
let (x, y) = (1, 2);
let (a, b, .., z) = (1, 2, 3, 4, 5);
```
"""
@annotate(OrPat, cfg=True)
class _:
"""
An or pattern. For example:
```rust
match x {
Option::Some(y) | Option::None => 0,
}
```
"""
@annotate(StructPatField)
class _:
"""
A field in a struct pattern. For example `a: 1` in:
```rust
let Foo { a: 1, b: 2 } = foo;
```
"""
@annotate(StructPat, add_bases=(PathAstNode,), cfg=True)
class _:
"""
A struct pattern. For example:
```rust
match x {
Foo { a: 1, b: 2 } => "ok",
Foo { .. } => "fail",
}
```
"""
path: drop
@annotate(RangePat, cfg=True)
class _:
"""
A range pattern. For example:
```rust
match x {
..15 => "too cold",
16..=25 => "just right",
26.. => "too hot",
}
```
"""
@annotate(SlicePat, cfg=True)
class _:
"""
A slice pattern. For example:
```rust
match x {
[1, 2, 3, 4, 5] => "ok",
[1, 2, ..] => "fail",
[x, y, .., z, 7] => "fail",
}
```
"""
@annotate(PathPat, add_bases=(PathAstNode,), cfg=True)
@qltest.test_with(Path)
class _:
"""
A path pattern. For example:
```rust
match x {
Foo::Bar => "ok",
_ => "fail",
}
```
"""
path: drop
@annotate(LiteralPat, cfg=True)
class _:
"""
A literal pattern. For example:
```rust
match x {
42 => "ok",
_ => "fail",
}
```
"""
@annotate(IdentPat, cfg=True)
class _:
"""
A binding pattern. For example:
```rust
match x {
Option::Some(y) => y,
Option::None => 0,
};
```
```rust
match x {
y@Option::Some(_) => y,
Option::None => 0,
};
```
"""
@annotate(TupleStructPat, add_bases=(PathAstNode,), cfg=True)
class _:
"""
A tuple struct pattern. For example:
```rust
match x {
Tuple("a", 1, 2, 3) => "great",
Tuple(.., 3) => "fine",
Tuple(..) => "fail",
};
```
"""
path: drop
@annotate(RefPat, cfg=True)
class _:
"""
A reference pattern. For example:
```rust
match x {
&mut Option::Some(y) => y,
&Option::None => 0,
};
```
"""
@annotate(BoxPat, cfg=True)
class _:
"""
A box pattern. For example:
```rust
match x {
box Option::Some(y) => y,
box Option::None => 0,
};
```
"""
@annotate(ConstBlockPat, cfg=True)
class _:
"""
A const block pattern. For example:
```rust
match x {
const { 1 + 2 + 3 } => "ok",
_ => "fail",
};
```
"""
@annotate(Abi)
class _:
"""
An ABI specification for an extern function or block.
For example:
```rust
extern "C" fn foo() {}
// ^^^
```
"""
@annotate(ArgList)
class _:
"""
A list of arguments in a function or method call.
For example:
```rust
foo(1, 2, 3);
// ^^^^^^^^^
```
"""
@annotate(ArrayTypeRepr)
class _:
"""
An array type representation.
For example:
```rust
let arr: [i32; 4];
// ^^^^^^^^
```
"""
@annotate(AssocItem, replace_bases={AstNode: Item})
class _:
"""
An associated item in a `Trait` or `Impl`.
For example:
```rust
trait T {fn foo(&self);}
// ^^^^^^^^^^^^^
```
"""
@annotate(AssocItemList)
@qltest.test_with(Trait)
class _:
"""
A list of `AssocItem` elements, as appearing in a `Trait` or `Impl`.
"""
@annotate(AssocTypeArg)
class _:
"""
An associated type argument in a path.
For example:
```rust
fn process_cloneable<T>(iter: T)
where
T: Iterator<Item: Clone>
// ^^^^^^^^^^^
{
// ...
}
```
"""
@annotate(Attr)
class _:
"""
An attribute applied to an item.
For example:
```rust
#[derive(Debug)]
//^^^^^^^^^^^^^
struct S;
```
"""
@annotate(ForBinder)
class _:
"""
A for binder, specifying lifetime or type parameters for a closure or a type.
For example:
```rust
let print_any = for<T: std::fmt::Debug> |x: T| {
// ^^^^^^^^^^^^^^^^^^^^^^^
println!("{:?}", x);
};
print_any(42);
print_any("hello");
```
"""
@annotate(Const, replace_bases={Item: None})
class _:
"""
A constant item declaration.
For example:
```rust
const X: i32 = 42;
```