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https://github.com/rust-lang/rust-analyzer
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b610118453
It's very useful when `pub` is equivalent to "this is crate's public API", let's enforce this! Ideally, we should enforce it for local `cargo test`, and only during CI, but that needs https://github.com/rust-lang/cargo/issues/5034.
41 lines
1.1 KiB
Rust
41 lines
1.1 KiB
Rust
//! This file is actually hand-written, but the submodules are indeed generated.
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#[rustfmt::skip]
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pub(crate) mod nodes;
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#[rustfmt::skip]
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pub(crate) mod tokens;
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use crate::{
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AstNode,
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SyntaxKind::{self, *},
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SyntaxNode,
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};
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pub(crate) use nodes::*;
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// Stmt is the only nested enum, so it's easier to just hand-write it
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impl AstNode for Stmt {
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fn can_cast(kind: SyntaxKind) -> bool {
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match kind {
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LET_STMT | EXPR_STMT => true,
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_ => Item::can_cast(kind),
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}
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}
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fn cast(syntax: SyntaxNode) -> Option<Self> {
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let res = match syntax.kind() {
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LET_STMT => Stmt::LetStmt(LetStmt { syntax }),
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EXPR_STMT => Stmt::ExprStmt(ExprStmt { syntax }),
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_ => {
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let item = Item::cast(syntax)?;
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Stmt::Item(item)
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}
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};
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Some(res)
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}
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fn syntax(&self) -> &SyntaxNode {
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match self {
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Stmt::LetStmt(it) => &it.syntax,
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Stmt::ExprStmt(it) => &it.syntax,
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Stmt::Item(it) => it.syntax(),
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}
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}
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}
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