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rustc_ast: Harmonize delimiter naming with proc_macro::Delimiter

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This commit is contained in:
Vadim Petrochenkov 2022-04-26 15:40:14 +03:00
parent f300792f9a
commit 70067e31ed
6 changed files with 51 additions and 51 deletions
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4
src/expr.rs
View File

@ -2,7 +2,7 @@ use std::borrow::Cow;
use std::cmp::min;
use itertools::Itertools;
use rustc_ast::token::{DelimToken, LitKind};
use rustc_ast::token::{Delimiter, LitKind};
use rustc_ast::{ast, ptr};
use rustc_span::{BytePos, Span};
@ -412,7 +412,7 @@ pub(crate) fn rewrite_array<'a, T: 'a + IntoOverflowableItem<'a>>(
context: &'a RewriteContext<'_>,
shape: Shape,
force_separator_tactic: Option<SeparatorTactic>,
delim_token: Option<DelimToken>,
delim_token: Option<Delimiter>,
) -> Option<String> {
overflow::rewrite_with_square_brackets(
context,

70
src/macros.rs
View File

@ -12,7 +12,7 @@
use std::collections::HashMap;
use std::panic::{catch_unwind, AssertUnwindSafe};
use rustc_ast::token::{BinOpToken, DelimToken, Token, TokenKind};
use rustc_ast::token::{BinOpToken, Delimiter, Token, TokenKind};
use rustc_ast::tokenstream::{Cursor, Spacing, TokenStream, TokenTree};
use rustc_ast::{ast, ptr};
use rustc_ast_pretty::pprust;
@ -203,7 +203,7 @@ fn rewrite_macro_inner(
let is_forced_bracket = FORCED_BRACKET_MACROS.contains(&&macro_name[..]);
let style = if is_forced_bracket && !is_nested_macro {
DelimToken::Bracket
Delimiter::Bracket
} else {
original_style
};
@ -212,15 +212,15 @@ fn rewrite_macro_inner(
let has_comment = contains_comment(context.snippet(mac.span()));
if ts.is_empty() && !has_comment {
return match style {
DelimToken::Paren if position == MacroPosition::Item => {
Delimiter::Parenthesis if position == MacroPosition::Item => {
Some(format!("{}();", macro_name))
}
DelimToken::Bracket if position == MacroPosition::Item => {
Delimiter::Bracket if position == MacroPosition::Item => {
Some(format!("{}[];", macro_name))
}
DelimToken::Paren => Some(format!("{}()", macro_name)),
DelimToken::Bracket => Some(format!("{}[]", macro_name)),
DelimToken::Brace => Some(format!("{} {{}}", macro_name)),
Delimiter::Parenthesis => Some(format!("{}()", macro_name)),
Delimiter::Bracket => Some(format!("{}[]", macro_name)),
Delimiter::Brace => Some(format!("{} {{}}", macro_name)),
_ => unreachable!(),
};
}
@ -260,7 +260,7 @@ fn rewrite_macro_inner(
}
match style {
DelimToken::Paren => {
Delimiter::Parenthesis => {
// Handle special case: `vec!(expr; expr)`
if vec_with_semi {
handle_vec_semi(context, shape, arg_vec, macro_name, style)
@ -286,7 +286,7 @@ fn rewrite_macro_inner(
})
}
}
DelimToken::Bracket => {
Delimiter::Bracket => {
// Handle special case: `vec![expr; expr]`
if vec_with_semi {
handle_vec_semi(context, shape, arg_vec, macro_name, style)
@ -323,7 +323,7 @@ fn rewrite_macro_inner(
Some(format!("{}{}", rewrite, comma))
}
}
DelimToken::Brace => {
Delimiter::Brace => {
// For macro invocations with braces, always put a space between
// the `macro_name!` and `{ /* macro_body */ }` but skip modifying
// anything in between the braces (for now).
@ -342,11 +342,11 @@ fn handle_vec_semi(
shape: Shape,
arg_vec: Vec<MacroArg>,
macro_name: String,
delim_token: DelimToken,
delim_token: Delimiter,
) -> Option<String> {
let (left, right) = match delim_token {
DelimToken::Paren => ("(", ")"),
DelimToken::Bracket => ("[", "]"),
Delimiter::Parenthesis => ("(", ")"),
Delimiter::Bracket => ("[", "]"),
_ => unreachable!(),
};
@ -528,7 +528,7 @@ enum MacroArgKind {
/// e.g., `$($foo: expr),*`
Repeat(
/// `()`, `[]` or `{}`.
DelimToken,
Delimiter,
/// Inner arguments inside delimiters.
Vec<ParsedMacroArg>,
/// Something after the closing delimiter and the repeat token, if available.
@ -537,7 +537,7 @@ enum MacroArgKind {
Token,
),
/// e.g., `[derive(Debug)]`
Delimited(DelimToken, Vec<ParsedMacroArg>),
Delimited(Delimiter, Vec<ParsedMacroArg>),
/// A possible separator. e.g., `,` or `;`.
Separator(String, String),
/// Other random stuff that does not fit to other kinds.
@ -547,22 +547,22 @@ enum MacroArgKind {
fn delim_token_to_str(
context: &RewriteContext<'_>,
delim_token: DelimToken,
delim_token: Delimiter,
shape: Shape,
use_multiple_lines: bool,
inner_is_empty: bool,
) -> (String, String) {
let (lhs, rhs) = match delim_token {
DelimToken::Paren => ("(", ")"),
DelimToken::Bracket => ("[", "]"),
DelimToken::Brace => {
Delimiter::Parenthesis => ("(", ")"),
Delimiter::Bracket => ("[", "]"),
Delimiter::Brace => {
if inner_is_empty || use_multiple_lines {
("{", "}")
} else {
("{ ", " }")
}
}
DelimToken::NoDelim => unreachable!(),
Delimiter::Invisible => unreachable!(),
};
if use_multiple_lines {
let indent_str = shape.indent.to_string_with_newline(context.config);
@ -583,8 +583,8 @@ impl MacroArgKind {
fn starts_with_brace(&self) -> bool {
matches!(
*self,
MacroArgKind::Repeat(DelimToken::Brace, _, _, _)
| MacroArgKind::Delimited(DelimToken::Brace, _)
MacroArgKind::Repeat(Delimiter::Brace, _, _, _)
| MacroArgKind::Delimited(Delimiter::Brace, _)
)
}
@ -753,7 +753,7 @@ impl MacroArgParser {
}
}
fn add_delimited(&mut self, inner: Vec<ParsedMacroArg>, delim: DelimToken) {
fn add_delimited(&mut self, inner: Vec<ParsedMacroArg>, delim: Delimiter) {
self.result.push(ParsedMacroArg {
kind: MacroArgKind::Delimited(delim, inner),
});
@ -763,7 +763,7 @@ impl MacroArgParser {
fn add_repeat(
&mut self,
inner: Vec<ParsedMacroArg>,
delim: DelimToken,
delim: Delimiter,
iter: &mut Cursor,
) -> Option<()> {
let mut buffer = String::new();
@ -1083,18 +1083,18 @@ pub(crate) fn convert_try_mac(
}
}
pub(crate) fn macro_style(mac: &ast::MacCall, context: &RewriteContext<'_>) -> DelimToken {
pub(crate) fn macro_style(mac: &ast::MacCall, context: &RewriteContext<'_>) -> Delimiter {
let snippet = context.snippet(mac.span());
let paren_pos = snippet.find_uncommented("(").unwrap_or(usize::max_value());
let bracket_pos = snippet.find_uncommented("[").unwrap_or(usize::max_value());
let brace_pos = snippet.find_uncommented("{").unwrap_or(usize::max_value());
if paren_pos < bracket_pos && paren_pos < brace_pos {
DelimToken::Paren
Delimiter::Parenthesis
} else if bracket_pos < brace_pos {
DelimToken::Bracket
Delimiter::Bracket
} else {
DelimToken::Brace
Delimiter::Brace
}
}
@ -1174,7 +1174,7 @@ struct Macro {
// rather than clone them, if we can make the borrowing work out.
struct MacroBranch {
span: Span,
args_paren_kind: DelimToken,
args_paren_kind: Delimiter,
args: TokenStream,
body: Span,
whole_body: Span,
@ -1188,7 +1188,7 @@ impl MacroBranch {
multi_branch_style: bool,
) -> Option<String> {
// Only attempt to format function-like macros.
if self.args_paren_kind != DelimToken::Paren {
if self.args_paren_kind != Delimiter::Parenthesis {
// FIXME(#1539): implement for non-sugared macros.
return None;
}
@ -1350,18 +1350,18 @@ fn rewrite_macro_with_items(
items: &[MacroArg],
macro_name: &str,
shape: Shape,
style: DelimToken,
style: Delimiter,
position: MacroPosition,
span: Span,
) -> Option<String> {
let (opener, closer) = match style {
DelimToken::Paren => ("(", ")"),
DelimToken::Bracket => ("[", "]"),
DelimToken::Brace => (" {", "}"),
Delimiter::Parenthesis => ("(", ")"),
Delimiter::Bracket => ("[", "]"),
Delimiter::Brace => (" {", "}"),
_ => return None,
};
let trailing_semicolon = match style {
DelimToken::Paren | DelimToken::Bracket if position == MacroPosition::Item => ";",
Delimiter::Parenthesis | Delimiter::Bracket if position == MacroPosition::Item => ";",
_ => "",
};

8
src/overflow.rs
View File

@ -3,7 +3,7 @@
use std::cmp::min;
use itertools::Itertools;
use rustc_ast::token::DelimToken;
use rustc_ast::token::Delimiter;
use rustc_ast::{ast, ptr};
use rustc_span::Span;
@ -297,11 +297,11 @@ pub(crate) fn rewrite_with_square_brackets<'a, T: 'a + IntoOverflowableItem<'a>>
shape: Shape,
span: Span,
force_separator_tactic: Option<SeparatorTactic>,
delim_token: Option<DelimToken>,
delim_token: Option<Delimiter>,
) -> Option<String> {
let (lhs, rhs) = match delim_token {
Some(DelimToken::Paren) => ("(", ")"),
Some(DelimToken::Brace) => ("{", "}"),
Some(Delimiter::Parenthesis) => ("(", ")"),
Some(Delimiter::Brace) => ("{", "}"),
_ => ("[", "]"),
};
Context::new(

8
src/parse/macros/cfg_if.rs
View File

@ -1,7 +1,7 @@
use std::panic::{catch_unwind, AssertUnwindSafe};
use rustc_ast::ast;
use rustc_ast::token::{DelimToken, TokenKind};
use rustc_ast::token::{Delimiter, TokenKind};
use rustc_parse::parser::ForceCollect;
use rustc_span::symbol::kw;
@ -47,11 +47,11 @@ fn parse_cfg_if_inner<'a>(
.map_err(|_| "Failed to parse attributes")?;
}
if !parser.eat(&TokenKind::OpenDelim(DelimToken::Brace)) {
if !parser.eat(&TokenKind::OpenDelim(Delimiter::Brace)) {
return Err("Expected an opening brace");
}
while parser.token != TokenKind::CloseDelim(DelimToken::Brace)
while parser.token != TokenKind::CloseDelim(Delimiter::Brace)
&& parser.token.kind != TokenKind::Eof
{
let item = match parser.parse_item(ForceCollect::No) {
@ -70,7 +70,7 @@ fn parse_cfg_if_inner<'a>(
}
}
if !parser.eat(&TokenKind::CloseDelim(DelimToken::Brace)) {
if !parser.eat(&TokenKind::CloseDelim(Delimiter::Brace)) {
return Err("Expected a closing brace");
}

8
src/parse/macros/mod.rs
View File

@ -1,4 +1,4 @@
use rustc_ast::token::{DelimToken, TokenKind};
use rustc_ast::token::{Delimiter, TokenKind};
use rustc_ast::tokenstream::TokenStream;
use rustc_ast::{ast, ptr};
use rustc_parse::parser::{ForceCollect, Parser};
@ -81,7 +81,7 @@ fn check_keyword<'a, 'b: 'a>(parser: &'a mut Parser<'b>) -> Option<MacroArg> {
&& parser.look_ahead(1, |t| {
t.kind == TokenKind::Eof
|| t.kind == TokenKind::Comma
|| t.kind == TokenKind::CloseDelim(DelimToken::NoDelim)
|| t.kind == TokenKind::CloseDelim(Delimiter::Invisible)
})
{
parser.bump();
@ -97,7 +97,7 @@ fn check_keyword<'a, 'b: 'a>(parser: &'a mut Parser<'b>) -> Option<MacroArg> {
pub(crate) fn parse_macro_args(
context: &RewriteContext<'_>,
tokens: TokenStream,
style: DelimToken,
style: Delimiter,
forced_bracket: bool,
) -> Option<ParsedMacroArgs> {
let mut parser = build_parser(context, tokens);
@ -105,7 +105,7 @@ pub(crate) fn parse_macro_args(
let mut vec_with_semi = false;
let mut trailing_comma = false;
if DelimToken::Brace != style {
if Delimiter::Brace != style {
loop {
if let Some(arg) = check_keyword(&mut parser) {
args.push(arg);

4
src/visitor.rs
View File

@ -1,7 +1,7 @@
use std::cell::{Cell, RefCell};
use std::rc::Rc;
use rustc_ast::{ast, token::DelimToken, visit, AstLike};
use rustc_ast::{ast, token::Delimiter, visit, AstLike};
use rustc_data_structures::sync::Lrc;
use rustc_span::{symbol, BytePos, Pos, Span};
@ -689,7 +689,7 @@ impl<'b, 'a: 'b> FmtVisitor<'a> {
// with whitespace between the delimiters and trailing semi (i.e. `foo!(abc) ;`)
// are formatted correctly.
let (span, rewrite) = match macro_style(mac, &self.get_context()) {
DelimToken::Bracket | DelimToken::Paren if MacroPosition::Item == pos => {
Delimiter::Bracket | Delimiter::Parenthesis if MacroPosition::Item == pos => {
let search_span = mk_sp(mac.span().hi(), self.snippet_provider.end_pos());
let hi = self.snippet_provider.span_before(search_span, ";");
let target_span = mk_sp(mac.span().lo(), hi + BytePos(1));