mirror of
https://github.com/danbulant/oxc
synced 2026-05-19 12:19:15 +00:00
refactor(ast_codegen): replace Windows-style line breaks with Unix-style (#4769)
2 files in AST codegen had Windows-style CRLF line breaks. Change them to Unix-style LF. Does not alter contents of the files aside from the line breaks.
This commit is contained in:
overlookmotel
parent
fff9da319d
commit
7ea058d84f
2 changed files with 142 additions and 142 deletions
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@ -1,84 +1,84 @@
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use proc_macro::TokenStream;
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use proc_macro2::TokenStream as TokenStream2;
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use quote::quote;
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/// returns `#[repr(C, u8)]` if `enum_` has any non-unit variant,
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/// Otherwise it would return `#[repr(u8)]`.
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fn enum_repr(enum_: &syn::ItemEnum) -> TokenStream2 {
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if enum_.variants.iter().any(|var| !matches!(var.fields, syn::Fields::Unit)) {
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quote!(#[repr(C, u8)])
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} else {
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quote!(#[repr(u8)])
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}
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}
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/// This attribute serves two purposes,
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/// First, it is a marker for our codegen to detect AST types. Furthermore.
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/// It is also a lightweight macro; All of its computation is cached and
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/// it only applies the following changes without any complex operation:
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///
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/// * Prepend `#[repr(C)]` to structs
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/// * Prepend `#[repr(C, u8)]` to fieldful enums e.g. `enum E { X: u32, Y: u8 }`
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/// * Prepend `#[repr(u8)]` to unit (fieldless) enums e.g. `enum E { X, Y, Z, }`
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/// * Prepend `#[derive(oxc_ast_macros::Ast)]` to all structs and enums
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///
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#[proc_macro_attribute]
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#[allow(clippy::missing_panics_doc)]
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pub fn ast(_args: TokenStream, input: TokenStream) -> TokenStream {
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let input = syn::parse_macro_input!(input as syn::Item);
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let repr = match input {
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syn::Item::Enum(ref enum_) => enum_repr(enum_),
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syn::Item::Struct(_) => quote!(#[repr(C)]),
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_ => {
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unreachable!()
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}
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};
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let expanded = quote! {
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#[derive(::oxc_ast_macros::Ast)]
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#repr
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#input
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};
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TokenStream::from(expanded)
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}
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/// Dummy derive macro for a non-existent trait `Ast`.
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///
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/// Does not generate any code.
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/// Only purpose is to allow using `#[scope]`, `#[visit]`, and other attrs in the AST node type defs.
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/// These "marker" attributes are used in codegen.
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#[proc_macro_derive(Ast, attributes(scope, visit, span, serde, tsify, generate_derive))]
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pub fn ast_derive(_item: TokenStream) -> TokenStream {
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TokenStream::new()
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}
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/// Derive macro generating an impl of the trait `CloneIn`.
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///
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/// NOTE: This is an internal macro!
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/// # Panics
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///
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#[proc_macro_derive(CloneIn)]
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pub fn derive_clone_in(item: TokenStream) -> TokenStream {
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let item = syn::parse_macro_input!(item as syn::Item);
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match &item {
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syn::Item::Struct(syn::ItemStruct { ident, generics, .. })
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| syn::Item::Enum(syn::ItemEnum { ident, generics, .. })
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if generics.params.is_empty() =>
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{
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quote! {
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#[automatically_derived]
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impl<'alloc> ::oxc_allocator::CloneIn<'alloc> for #ident {
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type Cloned = #ident;
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fn clone_in(&self, _: &'alloc ::oxc_allocator::Allocator) -> Self::Cloned {
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std::clone::Clone::clone(self)
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}
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}
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}
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.into()
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}
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_ => panic!("At the moment `CloneIn` derive macro only works for types without lifetimes and/or generic params"),
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}
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}
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use proc_macro::TokenStream;
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use proc_macro2::TokenStream as TokenStream2;
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use quote::quote;
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/// returns `#[repr(C, u8)]` if `enum_` has any non-unit variant,
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/// Otherwise it would return `#[repr(u8)]`.
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fn enum_repr(enum_: &syn::ItemEnum) -> TokenStream2 {
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if enum_.variants.iter().any(|var| !matches!(var.fields, syn::Fields::Unit)) {
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quote!(#[repr(C, u8)])
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} else {
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quote!(#[repr(u8)])
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}
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}
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/// This attribute serves two purposes,
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/// First, it is a marker for our codegen to detect AST types. Furthermore.
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/// It is also a lightweight macro; All of its computation is cached and
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/// it only applies the following changes without any complex operation:
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///
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/// * Prepend `#[repr(C)]` to structs
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/// * Prepend `#[repr(C, u8)]` to fieldful enums e.g. `enum E { X: u32, Y: u8 }`
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/// * Prepend `#[repr(u8)]` to unit (fieldless) enums e.g. `enum E { X, Y, Z, }`
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/// * Prepend `#[derive(oxc_ast_macros::Ast)]` to all structs and enums
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///
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#[proc_macro_attribute]
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#[allow(clippy::missing_panics_doc)]
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pub fn ast(_args: TokenStream, input: TokenStream) -> TokenStream {
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let input = syn::parse_macro_input!(input as syn::Item);
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let repr = match input {
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syn::Item::Enum(ref enum_) => enum_repr(enum_),
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syn::Item::Struct(_) => quote!(#[repr(C)]),
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_ => {
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unreachable!()
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}
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};
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let expanded = quote! {
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#[derive(::oxc_ast_macros::Ast)]
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#repr
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#input
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};
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TokenStream::from(expanded)
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}
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/// Dummy derive macro for a non-existent trait `Ast`.
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///
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/// Does not generate any code.
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/// Only purpose is to allow using `#[scope]`, `#[visit]`, and other attrs in the AST node type defs.
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/// These "marker" attributes are used in codegen.
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#[proc_macro_derive(Ast, attributes(scope, visit, span, serde, tsify, generate_derive))]
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pub fn ast_derive(_item: TokenStream) -> TokenStream {
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TokenStream::new()
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}
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/// Derive macro generating an impl of the trait `CloneIn`.
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///
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/// NOTE: This is an internal macro!
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/// # Panics
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///
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#[proc_macro_derive(CloneIn)]
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pub fn derive_clone_in(item: TokenStream) -> TokenStream {
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let item = syn::parse_macro_input!(item as syn::Item);
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match &item {
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syn::Item::Struct(syn::ItemStruct { ident, generics, .. })
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| syn::Item::Enum(syn::ItemEnum { ident, generics, .. })
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if generics.params.is_empty() =>
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{
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quote! {
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#[automatically_derived]
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impl<'alloc> ::oxc_allocator::CloneIn<'alloc> for #ident {
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type Cloned = #ident;
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fn clone_in(&self, _: &'alloc ::oxc_allocator::Allocator) -> Self::Cloned {
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std::clone::Clone::clone(self)
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}
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}
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}
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.into()
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}
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_ => panic!("At the moment `CloneIn` derive macro only works for types without lifetimes and/or generic params"),
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}
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}
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@ -1,58 +1,58 @@
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use proc_macro::TokenStream;
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use syn::parse_macro_input;
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mod declare_all_lint_rules;
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mod declare_oxc_lint;
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/// Macro used to declare an oxc lint rule
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///
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/// Every lint declaration consists of 2 parts:
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///
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/// 1. The documentation
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/// 2. The lint's struct
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///
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/// # Example
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///
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/// ```
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/// use oxc_macros::declare_oxc_lint;
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///
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/// declare_oxc_lint! {
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/// /// ### What it does
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/// /// Checks for usage of the `debugger` statement
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/// ///
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/// /// ### Why is this bad?
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/// /// `debugger` statements do not affect functionality when a debugger isn't attached.
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/// /// They're most commonly an accidental debugging leftover.
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/// ///
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/// ///
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/// /// ### Example
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/// /// ```javascript
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/// /// const data = await getData();
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/// /// const result = complexCalculation(data);
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/// /// debugger;
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/// /// ```
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/// ///
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/// /// ```
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/// pub struct NoDebugger
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/// }
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/// ```
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#[proc_macro]
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pub fn declare_oxc_lint(input: TokenStream) -> TokenStream {
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let metadata = parse_macro_input!(input as declare_oxc_lint::LintRuleMeta);
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declare_oxc_lint::declare_oxc_lint(metadata)
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}
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/// Same as `declare_oxc_lint`, but doesn't do imports.
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/// Enables multiple usages in a single file.
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#[proc_macro]
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pub fn declare_oxc_lint_test(input: TokenStream) -> TokenStream {
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let mut metadata = parse_macro_input!(input as declare_oxc_lint::LintRuleMeta);
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metadata.used_in_test = true;
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declare_oxc_lint::declare_oxc_lint(metadata)
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}
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#[proc_macro]
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pub fn declare_all_lint_rules(input: TokenStream) -> TokenStream {
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let metadata = parse_macro_input!(input as declare_all_lint_rules::AllLintRulesMeta);
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declare_all_lint_rules::declare_all_lint_rules(metadata)
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}
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use proc_macro::TokenStream;
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use syn::parse_macro_input;
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mod declare_all_lint_rules;
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mod declare_oxc_lint;
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/// Macro used to declare an oxc lint rule
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///
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/// Every lint declaration consists of 2 parts:
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///
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/// 1. The documentation
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/// 2. The lint's struct
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///
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/// # Example
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///
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/// ```
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/// use oxc_macros::declare_oxc_lint;
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///
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/// declare_oxc_lint! {
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/// /// ### What it does
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/// /// Checks for usage of the `debugger` statement
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/// ///
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/// /// ### Why is this bad?
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/// /// `debugger` statements do not affect functionality when a debugger isn't attached.
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/// /// They're most commonly an accidental debugging leftover.
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/// ///
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/// ///
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/// /// ### Example
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/// /// ```javascript
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/// /// const data = await getData();
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/// /// const result = complexCalculation(data);
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/// /// debugger;
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/// /// ```
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/// ///
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/// /// ```
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/// pub struct NoDebugger
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/// }
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/// ```
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#[proc_macro]
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pub fn declare_oxc_lint(input: TokenStream) -> TokenStream {
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let metadata = parse_macro_input!(input as declare_oxc_lint::LintRuleMeta);
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declare_oxc_lint::declare_oxc_lint(metadata)
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}
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/// Same as `declare_oxc_lint`, but doesn't do imports.
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/// Enables multiple usages in a single file.
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#[proc_macro]
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pub fn declare_oxc_lint_test(input: TokenStream) -> TokenStream {
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let mut metadata = parse_macro_input!(input as declare_oxc_lint::LintRuleMeta);
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metadata.used_in_test = true;
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declare_oxc_lint::declare_oxc_lint(metadata)
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}
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#[proc_macro]
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pub fn declare_all_lint_rules(input: TokenStream) -> TokenStream {
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let metadata = parse_macro_input!(input as declare_all_lint_rules::AllLintRulesMeta);
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declare_all_lint_rules::declare_all_lint_rules(metadata)
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}
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