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feat: avoid extra line on multiline patterns

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This commit is contained in:
Kevin Amado 2022-02-14 17:29:01 -05:00
parent bc9abe2826
commit 7e8b768398
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GPG key ID: FFF341057F503148
3 changed files with 30 additions and 16 deletions
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23
src/rules/pattern.rs
View file

@ -70,13 +70,15 @@ pub fn rule(
let child = children.get_next().unwrap();
steps.push_back(crate::builder::Step::Format(child.element));
let mut last_kind = rnix::SyntaxKind::TOKEN_CURLY_B_OPEN;
while let Some(child) = children.peek_next() {
match child.element.kind() {
let kind = child.element.kind();
match kind {
// /**/
rnix::SyntaxKind::TOKEN_COMMENT => {
let prev_kind = children.peek_prev().unwrap().element.kind();
if let rnix::SyntaxKind::TOKEN_COMMA
| rnix::SyntaxKind::TOKEN_CURLY_B_OPEN = prev_kind
| rnix::SyntaxKind::TOKEN_CURLY_B_OPEN = last_kind
{
steps.push_back(crate::builder::Step::Whitespace);
steps.push_back(crate::builder::Step::Indent);
@ -84,8 +86,7 @@ pub fn rule(
if let rnix::SyntaxKind::TOKEN_COMMENT
| rnix::SyntaxKind::TOKEN_ELLIPSIS
| rnix::SyntaxKind::TOKEN_WHITESPACE
| rnix::SyntaxKind::NODE_PAT_ENTRY = prev_kind
| rnix::SyntaxKind::NODE_PAT_ENTRY = last_kind
{
steps.push_back(crate::builder::Step::Indent);
steps.push_back(crate::builder::Step::NewLine);
@ -101,24 +102,24 @@ pub fn rule(
| rnix::SyntaxKind::TOKEN_COMMENT
| rnix::SyntaxKind::TOKEN_ELLIPSIS
| rnix::SyntaxKind::TOKEN_WHITESPACE
| rnix::SyntaxKind::NODE_PAT_ENTRY = prev_kind
| rnix::SyntaxKind::NODE_PAT_ENTRY = last_kind
{
steps.push_back(crate::builder::Step::Dedent);
}
last_kind = kind;
}
// item
rnix::SyntaxKind::TOKEN_ELLIPSIS
| rnix::SyntaxKind::NODE_PAT_ENTRY => {
let prev_kind = children.peek_prev().unwrap().element.kind();
if let rnix::SyntaxKind::TOKEN_COMMA
| rnix::SyntaxKind::TOKEN_CURLY_B_OPEN = prev_kind
| rnix::SyntaxKind::TOKEN_CURLY_B_OPEN = last_kind
{
steps.push_back(crate::builder::Step::Whitespace);
}
if let rnix::SyntaxKind::TOKEN_COMMENT
| rnix::SyntaxKind::TOKEN_WHITESPACE = prev_kind
| rnix::SyntaxKind::TOKEN_WHITESPACE = last_kind
{
steps.push_back(crate::builder::Step::NewLine);
steps.push_back(crate::builder::Step::Pad);
@ -139,6 +140,7 @@ pub fn rule(
}
};
children.move_next();
last_kind = kind;
}
// ,
rnix::SyntaxKind::TOKEN_COMMA => {
@ -151,6 +153,7 @@ pub fn rule(
};
steps.push_back(crate::builder::Step::Format(child.element));
children.move_next();
last_kind = kind;
}
// \n
rnix::SyntaxKind::TOKEN_WHITESPACE => {

5
tests/cases/pattern/in
View file

@ -1,4 +1,9 @@
[
({
self,
gomod2nix,
mach-nix,
}@inp: _)
({}: _)
({ a }: _)
({ /**/ }: _)

18
tests/cases/pattern/out
View file

@ -1,4 +1,13 @@
[
(
{ self
, gomod2nix
, mach-nix
,
}
@ inp:
_
)
({ }: _)
({ a }: _)
(
@ -1096,8 +1105,7 @@
)
(
{
/*
{ /*
a
*/
#
@ -1116,8 +1124,7 @@
c
*/
#
,
/*
, /*
d
*/
#
@ -1136,8 +1143,7 @@
f
*/
#
,
/*
, /*
g
*/
#