try to fix comment bad wrapping (#3099)

This commit is contained in:
Daniele D'Orazio 2018-10-15 04:18:37 +02:00 committed by Seiichi Uchida
parent 51ddac33c5
commit 075aa909cd
6 changed files with 52 additions and 27 deletions

View File

@ -579,7 +579,11 @@ fn rewrite_comment_inner(
let item_fmt = ib.create_string_format(&fmt);
result.push_str(&comment_line_separator);
result.push_str(&ib.opener);
match rewrite_string(&item_block_buffer.replace("\n", " "), &item_fmt) {
match rewrite_string(
&item_block_buffer.replace("\n", " "),
&item_fmt,
max_chars.saturating_sub(ib.indent),
) {
Some(s) => result.push_str(&join_block(
&s,
&format!("{}{}", &comment_line_separator, ib.line_start),
@ -654,7 +658,7 @@ fn rewrite_comment_inner(
}
if config.wrap_comments() && line.len() > fmt.shape.width && !has_url(line) {
match rewrite_string(line, &fmt) {
match rewrite_string(line, &fmt, max_chars) {
Some(ref s) => {
is_prev_line_multi_line = s.contains('\n');
result.push_str(s);
@ -665,7 +669,7 @@ fn rewrite_comment_inner(
result.pop();
result.push_str(&comment_line_separator);
fmt.shape = Shape::legacy(max_chars, fmt_indent);
match rewrite_string(line, &fmt) {
match rewrite_string(line, &fmt, max_chars) {
Some(ref s) => {
is_prev_line_multi_line = s.contains('\n');
result.push_str(s);
@ -719,7 +723,11 @@ fn rewrite_comment_inner(
let item_fmt = ib.create_string_format(&fmt);
result.push_str(&comment_line_separator);
result.push_str(&ib.opener);
match rewrite_string(&item_block_buffer.replace("\n", " "), &item_fmt) {
match rewrite_string(
&item_block_buffer.replace("\n", " "),
&item_fmt,
max_chars.saturating_sub(ib.indent),
) {
Some(s) => result.push_str(&join_block(
&s,
&format!("{}{}", &comment_line_separator, ib.line_start),

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@ -1254,6 +1254,7 @@ fn rewrite_string_lit(context: &RewriteContext, span: Span, shape: Shape) -> Opt
rewrite_string(
str_lit,
&StringFormat::new(shape.visual_indent(0), context.config),
shape.width.saturating_sub(2),
)
}

View File

@ -70,7 +70,11 @@ impl<'a> StringFormat<'a> {
}
}
pub fn rewrite_string<'a>(orig: &str, fmt: &StringFormat<'a>) -> Option<String> {
pub fn rewrite_string<'a>(
orig: &str,
fmt: &StringFormat<'a>,
newline_max_chars: usize,
) -> Option<String> {
let max_chars_with_indent = fmt.max_chars_with_indent()?;
let max_chars_without_indent = fmt.max_chars_without_indent()?;
let indent_with_newline = fmt.shape.indent.to_string_with_newline(fmt.config);
@ -129,7 +133,7 @@ pub fn rewrite_string<'a>(orig: &str, fmt: &StringFormat<'a>) -> Option<String>
result.push_str(fmt.line_end);
result.push_str(&indent_with_newline);
result.push_str(fmt.line_start);
cur_max_chars = max_chars_with_indent;
cur_max_chars = newline_max_chars;
cur_start += len;
}
SnippetState::EndWithLineFeed(line, len) => {
@ -358,7 +362,7 @@ mod test {
fn issue343() {
let config = Default::default();
let fmt = StringFormat::new(Shape::legacy(2, Indent::empty()), &config);
rewrite_string("eq_", &fmt);
rewrite_string("eq_", &fmt, 2);
}
#[test]
@ -463,7 +467,7 @@ mod test {
let mut config: Config = Default::default();
config.set().max_width(27);
let fmt = StringFormat::new(Shape::legacy(25, Indent::empty()), &config);
let rewritten_string = rewrite_string(string, &fmt);
let rewritten_string = rewrite_string(string, &fmt, 27);
assert_eq!(
rewritten_string,
Some("\"Nulla\nconsequat erat at massa. \\\n Vivamus id mi.\"".to_string())
@ -477,11 +481,11 @@ mod test {
let mut fmt = StringFormat::new(Shape::legacy(25, Indent::empty()), &config);
fmt.trim_end = true;
let rewritten_string = rewrite_string(string, &fmt);
let rewritten_string = rewrite_string(string, &fmt, 25);
assert_eq!(rewritten_string, Some("\"Vivamus id mi.\"".to_string()));
fmt.trim_end = false; // default value of trim_end
let rewritten_string = rewrite_string(string, &fmt);
let rewritten_string = rewrite_string(string, &fmt, 25);
assert_eq!(rewritten_string, Some("\"Vivamus id mi. \"".to_string()));
}
@ -499,7 +503,7 @@ mod test {
config: &config,
};
let rewritten_string = rewrite_string(string, &fmt);
let rewritten_string = rewrite_string(string, &fmt, 100);
assert_eq!(
rewritten_string,
Some("Vivamus id mi.\n // Vivamus id mi.".to_string())
@ -521,7 +525,7 @@ mod test {
};
assert_eq!(
rewrite_string(comment, &fmt),
rewrite_string(comment, &fmt, 30),
Some(
"Aenean metus.\n // Vestibulum ac lacus. Vivamus\n // porttitor"
.to_string()
@ -544,7 +548,7 @@ mod test {
};
assert_eq!(
rewrite_string(comment, &fmt),
rewrite_string(comment, &fmt, 30),
Some(
"Aenean metus.\n // Vestibulum ac lacus. Vivamus@\n // porttitor"
.to_string()
@ -567,7 +571,7 @@ mod test {
let comment = "Aenean metus. Vestibulum\n\nac lacus. Vivamus porttitor";
assert_eq!(
rewrite_string(comment, &fmt),
rewrite_string(comment, &fmt, 30),
Some(
"Aenean metus. Vestibulum\n //\n // ac lacus. Vivamus porttitor".to_string()
)
@ -576,7 +580,7 @@ mod test {
fmt.shape = Shape::legacy(15, Indent::from_width(&config, 4));
let comment = "Aenean\n\nmetus. Vestibulum ac lacus. Vivamus porttitor";
assert_eq!(
rewrite_string(comment, &fmt),
rewrite_string(comment, &fmt, 15),
Some(
r#"Aenean
//
@ -603,7 +607,7 @@ mod test {
let comment = "Aenean\n\nmetus. Vestibulum ac lacus.\n\n";
assert_eq!(
rewrite_string(comment, &fmt),
rewrite_string(comment, &fmt, 20),
Some(
"Aenean\n //\n // metus. Vestibulum ac\n // lacus.\n //\n".to_string()
)
@ -611,13 +615,13 @@ mod test {
let comment = "Aenean\n\nmetus. Vestibulum ac lacus.\n";
assert_eq!(
rewrite_string(comment, &fmt),
rewrite_string(comment, &fmt, 20),
Some("Aenean\n //\n // metus. Vestibulum ac\n // lacus.\n".to_string())
);
let comment = "Aenean\n \nmetus. Vestibulum ac lacus.";
assert_eq!(
rewrite_string(comment, &fmt),
rewrite_string(comment, &fmt, 20),
Some("Aenean\n //\n // metus. Vestibulum ac\n // lacus.".to_string())
);
}
@ -637,14 +641,14 @@ mod test {
let comment = "Aenean metus. Vestibulum ac lacus.";
assert_eq!(
rewrite_string(comment, &fmt),
rewrite_string(comment, &fmt, 13),
Some("Aenean metus.\n // Vestibulum ac\n // lacus.".to_string())
);
fmt.trim_end = false;
let comment = "Vestibulum ac lacus.";
assert_eq!(
rewrite_string(comment, &fmt),
rewrite_string(comment, &fmt, 13),
Some("Vestibulum \n // ac lacus.".to_string())
);
@ -652,7 +656,7 @@ mod test {
fmt.line_end = "\\";
let comment = "Vestibulum ac lacus.";
assert_eq!(
rewrite_string(comment, &fmt),
rewrite_string(comment, &fmt, 13),
Some("Vestibulum\\\n // ac lacus.".to_string())
);
}

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@ -0,0 +1,7 @@
// rustfmt-wrap_comments: true
// rustfmt-max_width: 80
/// Vestibulum elit nibh, rhoncus non, euismod sit amet, pretium eu, enim. Nunc commodo ultricies dui.
/// Cras gravida rutrum massa. Donec accumsan mattis turpis. Quisque sem. Quisque elementum sapien
/// iaculis augue. In dui sem, congue sit amet, feugiat quis, lobortis at, eros.
fn func4() {}

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@ -0,0 +1,8 @@
// rustfmt-wrap_comments: true
// rustfmt-max_width: 80
/// Vestibulum elit nibh, rhoncus non, euismod sit amet, pretium eu, enim. Nunc
/// commodo ultricies dui. Cras gravida rutrum massa. Donec accumsan mattis
/// turpis. Quisque sem. Quisque elementum sapien iaculis augue. In dui sem,
/// congue sit amet, feugiat quis, lobortis at, eros.
fn func4() {}

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@ -40,8 +40,7 @@
/// All the parameters ***except for
/// `from_theater`*** should be inserted as sent
/// by the remote theater, ie. as passed to
/// [`Theater::send`] on the remote
/// actor:
/// [`Theater::send`] on the remote actor:
/// * `from` is the sending (remote) [`ActorId`],
/// as reported by the remote theater by
/// theater-specific means
@ -53,15 +52,13 @@
/// All the parameters ***except for
/// `from_theater`*** should be inserted as sent
/// by the remote theater, ie. as passed to
/// [`Theater::send`] on the remote
/// actor
/// [`Theater::send`] on the remote actor
fn func1() {}
/// All the parameters ***except for
/// `from_theater`*** should be inserted as sent
/// by the remote theater, ie. as passed to
/// [`Theater::send`] on the remote
/// actor:
/// [`Theater::send`] on the remote actor:
/// * `from` is the sending (remote) [`ActorId`],
/// as reported by the remote theater by
/// theater-specific means