language-servers/rust-analyzer
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⬆️ rust-analyzer

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This commit is contained in:
Laurențiu Nicola 2022-11-23 17:24:03 +02:00
parent 61c744d4fd
commit a2a1d99545
126 changed files with 2098 additions and 904 deletions
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2
crates/ide-db/Cargo.toml
View file

@ -4,7 +4,7 @@ version = "0.0.0"
description = "TBD"
license = "MIT OR Apache-2.0"
edition = "2021"
rust-version = "1.57"
rust-version = "1.65"
[lib]
doctest = false

7
crates/ide-db/src/line_index.rs
View file

@ -58,8 +58,11 @@ impl LineIndex {
let mut utf16_lines = NoHashHashMap::default();
let mut utf16_chars = Vec::new();
let mut newlines = vec![0.into()];
let mut curr_row @ mut curr_col = 0.into();
let mut newlines = Vec::with_capacity(16);
newlines.push(TextSize::from(0));
let mut curr_row = 0.into();
let mut curr_col = 0.into();
let mut line = 0;
for c in text.chars() {
let c_len = TextSize::of(c);

60
crates/ide-db/src/syntax_helpers/format_string_exprs.rs
View file

@ -104,6 +104,11 @@ pub fn parse_format_exprs(input: &str) -> Result<(String, Vec<Arg>), ()> {
extracted_expressions.push(Arg::Placeholder);
state = State::NotArg;
}
(State::MaybeArg, ':') => {
output.push(chr);
extracted_expressions.push(Arg::Placeholder);
state = State::FormatOpts;
}
(State::MaybeArg, _) => {
if matches!(chr, '\\' | '$') {
current_expr.push('\\');
@ -118,44 +123,41 @@ pub fn parse_format_exprs(input: &str) -> Result<(String, Vec<Arg>), ()> {
state = State::Expr;
}
}
(State::Ident | State::Expr, '}') => {
if inexpr_open_count == 0 {
output.push(chr);
if matches!(state, State::Expr) {
extracted_expressions.push(Arg::Expr(current_expr.trim().into()));
} else {
extracted_expressions.push(Arg::Ident(current_expr.trim().into()));
}
current_expr = String::new();
state = State::NotArg;
} else {
// We're closing one brace met before inside of the expression.
current_expr.push(chr);
inexpr_open_count -= 1;
}
}
(State::Ident | State::Expr, ':') if matches!(chars.peek(), Some(':')) => {
// path separator
state = State::Expr;
current_expr.push_str("::");
chars.next();
}
(State::Ident | State::Expr, ':') => {
(State::Ident | State::Expr, ':' | '}') => {
if inexpr_open_count == 0 {
// We're outside of braces, thus assume that it's a specifier, like "{Some(value):?}"
output.push(chr);
let trimmed = current_expr.trim();
if matches!(state, State::Expr) {
extracted_expressions.push(Arg::Expr(current_expr.trim().into()));
// if the expression consists of a single number, like "0" or "12", it can refer to
// format args in the order they are specified.
// see: https://doc.rust-lang.org/std/fmt/#positional-parameters
if trimmed.chars().fold(true, |only_num, c| c.is_ascii_digit() && only_num) {
output.push_str(trimmed);
} else if matches!(state, State::Expr) {
extracted_expressions.push(Arg::Expr(trimmed.into()));
} else {
extracted_expressions.push(Arg::Ident(current_expr.trim().into()));
extracted_expressions.push(Arg::Ident(trimmed.into()));
}
current_expr = String::new();
state = State::FormatOpts;
} else {
output.push(chr);
current_expr.clear();
state = if chr == ':' {
State::FormatOpts
} else if chr == '}' {
State::NotArg
} else {
unreachable!()
};
} else if chr == '}' {
// We're closing one brace met before inside of the expression.
current_expr.push(chr);
inexpr_open_count -= 1;
} else if chr == ':' {
// We're inside of braced expression, assume that it's a struct field name/value delimiter.
current_expr.push(chr);
}
@ -219,6 +221,10 @@ mod tests {
("{expr} is {2 + 2}", expect![["{} is {}; expr, 2 + 2"]]),
("{expr:?}", expect![["{:?}; expr"]]),
("{expr:1$}", expect![[r"{:1\$}; expr"]]),
("{:1$}", expect![[r"{:1\$}; $1"]]),
("{:>padding$}", expect![[r"{:>padding\$}; $1"]]),
("{}, {}, {0}", expect![[r"{}, {}, {0}; $1, $2"]]),
("{}, {}, {0:b}", expect![[r"{}, {}, {0:b}; $1, $2"]]),
("{$0}", expect![[r"{}; \$0"]]),
("{malformed", expect![["-"]]),
("malformed}", expect![["-"]]),