feat(parser): update to 2.0.0-draft.5 (#90)

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Kat Marchán 2024-12-02 23:26:40 -08:00 committed by GitHub
parent fb7c92b59f
commit 2802578ba0
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24 changed files with 307 additions and 156 deletions

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@ -436,7 +436,7 @@ second_node /* This time, the comment is here */ param=153 {
/- comment
/* block comment */
inline /*comment*/ here
another /-commend there
another /-comment there
after some whitespace
@ -485,7 +485,7 @@ final;";
);
let foo = doc.get("foo").expect("expected a foo node");
assert_eq!(foo.format().map(|f| &f.trailing[..]), Some("\n"));
assert_eq!(foo.format().map(|f| &f.terminator[..]), Some("\n"));
assert_eq!(&foo[2], &"three".into());
assert_eq!(&foo["bar"], &"baz".into());
assert_eq!(
@ -527,6 +527,7 @@ final;";
// if you're making KdlEntries this way, you need to inject
// your own whitespace (or format the node)
node.push(" \"blah\"=0xDEADbeef".parse::<KdlEntry>()?);
dbg!(&node);
doc.nodes_mut().push(node);
assert_eq!(
@ -714,7 +715,8 @@ this {
}
// that's
nice
inline { time; to; live "our" "dreams"; "y;all"; }
inline { time; to; live "our" "dreams"; "y;all" }
"####;
let doc: KdlDocument = input.parse()?;
@ -724,8 +726,9 @@ inline { time; to; live "our" "dreams"; "y;all"; }
// Now check some more interesting concrete spans
// The whole document should presumably be "the input" again?
check_span(input, doc.span(), &input);
// The whole document should be everything from the first node until the
// last before_terminator whitespace.
check_span(&input[1..(input.len() - 2)], doc.span(), &input);
// This one-liner node should be the whole line without leading whitespace
let is_node = doc
@ -772,13 +775,11 @@ inline { time; to; live "our" "dreams"; "y;all"; }
);
// The child document is a little weird, it's the contents *inside* the braces
// with extra newlines on both ends.
// without the surrounding whitespace/comments. Just the actual contents.
check_span(
r####"{
"it" /*shh*/ "has"="💯" ##"the"##
r####""it" /*shh*/ "has"="💯" ##"the"##
Best🎊est
"syntax ever"
}"####,
"syntax ever""####,
and_node.children().unwrap().span(),
&input,
);
@ -807,14 +808,14 @@ inline { time; to; live "our" "dreams"; "y;all"; }
// Make sure inline nodes work ok
let inline_node = doc.get("inline").unwrap();
check_span(
r#"inline { time; to; live "our" "dreams"; "y;all"; }"#,
r#"inline { time; to; live "our" "dreams"; "y;all" }"#,
inline_node.span(),
&input,
);
let inline_children = inline_node.children().unwrap();
check_span(
r#"{ time; to; live "our" "dreams"; "y;all"; }"#,
r#"time; to; live "our" "dreams"; "y;all" "#,
inline_children.span(),
&input,
);

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@ -515,28 +515,30 @@ impl KdlNode {
pub(crate) fn autoformat_impl(&mut self, indent: usize, no_comments: bool) {
if let Some(KdlNodeFormat {
leading,
before_terminator,
terminator,
trailing,
before_children,
..
}) = self.format_mut()
{
crate::fmt::autoformat_leading(leading, indent, no_comments);
crate::fmt::autoformat_trailing(before_terminator, no_comments);
crate::fmt::autoformat_trailing(trailing, no_comments);
*trailing = trailing.trim().into();
if trailing.starts_with(';') {
trailing.remove(0);
if !terminator.starts_with('\n') {
*terminator = "\n".into();
}
if let Some(c) = trailing.chars().next() {
if !c.is_whitespace() {
trailing.insert(0, ' ');
}
}
trailing.push('\n');
*before_children = " ".into();
} else {
self.set_format(KdlNodeFormat {
trailing: "\n".into(),
terminator: "\n".into(),
..Default::default()
})
}
@ -598,8 +600,14 @@ impl KdlNode {
}
write!(f, "}}")?;
}
if let Some(KdlNodeFormat { trailing, .. }) = self.format() {
write!(f, "{}", trailing)?;
if let Some(KdlNodeFormat {
before_terminator,
terminator,
trailing,
..
}) = self.format()
{
write!(f, "{before_terminator}{terminator}{trailing}")?;
}
Ok(())
}
@ -618,8 +626,11 @@ pub struct KdlNodeFormat {
pub after_ty: String,
/// Whitespace and comments preceding the node's children block.
pub before_children: String,
/// Whitespace and comments following the node itself, including the
/// optional semicolon.
/// Whitespace and comments right before the node's terminator.
pub before_terminator: String,
/// The terminator for the node.
pub terminator: String,
/// Whitespace and comments following the node itself, after the terminator.
pub trailing: String,
}
@ -652,7 +663,9 @@ mod test {
node.format(),
Some(&KdlNodeFormat {
leading: "\n\t ".into(),
trailing: ";\n".into(),
before_terminator: "".into(),
terminator: ";".into(),
trailing: "\n".into(),
before_ty_name: "".into(),
after_ty_name: "".into(),
after_ty: "".into(),

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@ -9,7 +9,8 @@ use num::CheckedMul;
use winnow::{
ascii::{digit1, hex_digit1, oct_digit1, Caseless},
combinator::{
alt, cut_err, eof, fail, not, opt, peek, preceded, repeat, repeat_till, terminated,
alt, cut_err, delimited, eof, fail, not, opt, peek, preceded, repeat, repeat_till,
separated, terminated,
},
error::{
AddContext, ContextError, ErrorKind, FromExternalError, FromRecoverableError, ParserError,
@ -226,12 +227,16 @@ pub(crate) fn document(input: &mut Input<'_>) -> PResult<KdlDocument> {
/// `nodes := (line-space* node)* line-space*`
fn nodes(input: &mut Input<'_>) -> PResult<KdlDocument> {
let ((leading, nodes, trailing), _span) = (
repeat(0.., line_space).map(|()| ()).take(),
repeat(0.., node),
repeat(0.., line_space).map(|()| ()).take(),
let (leading, (nodes, _span), _final_terminator, trailing) = (
repeat(0.., alt((line_space.void(), (slashdash, base_node).void())))
.map(|()| ())
.take(),
separated(0.., node, node_terminator).with_span(),
opt(node_terminator),
repeat(0.., alt((line_space.void(), (slashdash, base_node).void())))
.map(|()| ())
.take(),
)
.with_span()
.parse_next(input)?;
Ok(KdlDocument {
nodes,
@ -244,35 +249,69 @@ fn nodes(input: &mut Input<'_>) -> PResult<KdlDocument> {
})
}
/// `base-node := type? optional-node-space string (required-node-space node-prop-or-arg)* (required-node-space node-children)?`
/// base-node := slashdash? type? node-space* string
/// (node-space+ slashdash? node-prop-or-arg)*
/// (node-space+ slashdash node-children)*
/// (node-space+ node-children)?
/// (node-space+ slashdash node-children)*
/// node-space*
/// node := base-node node-space* node-terminator
/// final-node := base-node node-space* node-terminator?
fn node(input: &mut Input<'_>) -> PResult<KdlNode> {
let leading = repeat(0.., alt((line_space.void(), (slashdash, base_node).void())))
.map(|()| ())
.take()
.parse_next(input)?;
let mut nd = base_node.parse_next(input)?;
if let Some(fmt) = nd.format_mut() {
fmt.leading = leading.into();
}
Ok(nd)
}
fn base_node(input: &mut Input<'_>) -> PResult<KdlNode> {
let ((ty, after_ty, name, entries, children), _span) = (
opt(ty),
optional_node_space.take(),
node_space0.take(),
identifier,
repeat(
0..,
(peek(required_node_space), node_entry).map(|(_, e): ((), _)| e),
(peek(node_space1), node_entry).map(|(_, e): ((), _)| e),
)
.map(|e: Vec<Option<KdlEntry>>| e.into_iter().flatten().collect::<Vec<KdlEntry>>()),
opt((optional_node_space.take(), node_children)),
opt((before_node_children.take(), node_children)),
)
.with_span()
.parse_next(input)?;
let (before_terminator, terminator) = if children.is_some() {
(
opt(slashdashed_children).take(),
peek(opt(node_terminator).take()),
)
.parse_next(input)?
} else {
(
before_node_children.take(),
peek(opt(node_terminator).take()),
)
.parse_next(input)?
};
let (before_inner_ty, ty, after_inner_ty) = ty.unwrap_or_default();
let (before_children, children) = children
.map(|(before_children, children)| (before_children, Some(children)))
.unwrap_or(("", None));
.map(|(before_children, children)| (before_children.into(), Some(children)))
.unwrap_or(("".into(), None));
Ok(KdlNode {
ty,
name,
entries,
children,
format: Some(KdlNodeFormat {
after_ty: after_ty.into(),
before_ty_name: before_inner_ty.into(),
after_ty_name: after_inner_ty.into(),
before_children: before_children.into(),
after_ty: after_ty.into(),
before_children,
before_terminator: before_terminator.into(),
terminator: terminator.into(),
..Default::default()
}),
#[cfg(feature = "span")]
@ -280,25 +319,6 @@ fn base_node(input: &mut Input<'_>) -> PResult<KdlNode> {
})
}
/// `node := base-node optional-node-space node-terminator`
fn node(input: &mut Input<'_>) -> PResult<KdlNode> {
let (leading, (mut node, _span), (trailing, terminator)) = (
repeat(0.., line_space).map(|()| ()).take(),
base_node.with_span(),
(optional_node_space.take(), node_terminator.take()),
)
.parse_next(input)?;
if let Some(fmt) = node.format_mut() {
fmt.leading = leading.into();
fmt.trailing = format!("{trailing}{terminator}");
}
#[cfg(feature = "span")]
{
node.span = _span.into();
}
Ok(node)
}
#[cfg(test)]
#[test]
fn test_node() {
@ -313,20 +333,13 @@ fn test_node() {
},
entries: vec![],
children: None,
format: Some(KdlNodeFormat {
after_ty: "".into(),
before_ty_name: "".into(),
after_ty_name: "".into(),
before_children: "".into(),
leading: "".into(),
trailing: "".into()
}),
format: Some(Default::default()),
span: (0..7).into()
}
);
assert_eq!(
base_node.parse(new_input("foo bar")).unwrap(),
node.parse(new_input("foo bar")).unwrap(),
KdlNode {
ty: None,
name: KdlIdentifier {
@ -349,17 +362,15 @@ fn test_node() {
format: Some(KdlNodeFormat {
..Default::default()
}),
span: (0..7).into()
span: (0..8).into()
}
);
}
pub(crate) fn padded_node(input: &mut Input<'_>) -> PResult<KdlNode> {
let ((leading, mut node, trailing), _span) = (
repeat(0.., alt((line_space, node_space)))
.map(|_: ()| ())
.take(),
let ((mut node, _terminator, trailing), _span) = (
node,
opt(node_terminator),
repeat(0.., alt((line_space, node_space)))
.map(|_: ()| ())
.take(),
@ -367,8 +378,7 @@ pub(crate) fn padded_node(input: &mut Input<'_>) -> PResult<KdlNode> {
.with_span()
.parse_next(input)?;
if let Some(fmt) = node.format_mut() {
fmt.leading = format!("{leading}{}", fmt.leading);
fmt.trailing = format!("{}{trailing}", fmt.trailing);
fmt.trailing = trailing.into();
}
#[cfg(feature = "span")]
{
@ -377,14 +387,6 @@ pub(crate) fn padded_node(input: &mut Input<'_>) -> PResult<KdlNode> {
Ok(node)
}
/// `final-node := base-node optional-node-space node-terminator?`
fn final_node(input: &mut Input<'_>) -> PResult<KdlNode> {
let node = base_node.parse_next(input)?;
optional_node_space.parse_next(input)?;
opt(node_terminator).parse_next(input)?;
Ok(node)
}
pub(crate) fn padded_node_entry(input: &mut Input<'_>) -> PResult<KdlEntry> {
let ((leading, entry, trailing), _span) = (
repeat(0.., line_space).map(|_: ()| ()).take(),
@ -414,8 +416,11 @@ pub(crate) fn padded_node_entry(input: &mut Input<'_>) -> PResult<KdlEntry> {
/// `node-prop-or-arg := prop | value`
fn node_entry(input: &mut Input<'_>) -> PResult<Option<KdlEntry>> {
let (leading, mut entry) =
(optional_node_space.take(), alt((prop, value))).parse_next(input)?;
let (leading, mut entry) = (
(node_space0, opt((slashdashed_entries, node_space1))).take(),
alt((prop, value)),
)
.parse_next(input)?;
entry = entry.map(|mut e| {
if let Some(fmt) = e.format_mut() {
fmt.leading = leading.into();
@ -425,6 +430,15 @@ fn node_entry(input: &mut Input<'_>) -> PResult<Option<KdlEntry>> {
Ok(entry)
}
fn slashdashed_entries(input: &mut Input<'_>) -> PResult<()> {
separated(1.., (slashdash, node_entry), node_space1)
.map(|()| ())
.take()
.map(|x| x.to_string())
.parse_next(input)?;
Ok(())
}
#[cfg(test)]
#[test]
fn entry_test() {
@ -455,37 +469,127 @@ fn entry_test() {
span: (0..3).into()
})
);
assert_eq!(
node_entry.parse(new_input("/-foo bar")).unwrap(),
Some(KdlEntry {
ty: None,
value: KdlValue::String("bar".into()),
name: None,
format: Some(KdlEntryFormat {
value_repr: "bar".into(),
leading: "/-foo ".into(),
..Default::default()
}),
span: (6..9).into()
})
);
assert_eq!(
node_entry.parse(new_input("/- foo=1 bar = 2")).unwrap(),
Some(KdlEntry {
ty: None,
value: 2.into(),
name: Some(KdlIdentifier {
value: "bar".into(),
repr: Some("bar".into()),
span: (9..12).into(),
}),
format: Some(KdlEntryFormat {
value_repr: "2".into(),
leading: "/- foo=1 ".into(),
after_ty: " ".into(),
after_eq: " ".into(),
..Default::default()
}),
span: (9..16).into()
})
);
assert_eq!(
node_entry.parse(new_input("/- \nfoo = 1 bar = 2")).unwrap(),
Some(KdlEntry {
ty: None,
value: 2.into(),
name: Some(KdlIdentifier {
value: "bar".into(),
repr: Some("bar".into()),
span: (12..16).into(),
}),
format: Some(KdlEntryFormat {
value_repr: "2".into(),
leading: "/- \nfoo = 1 ".into(),
after_ty: " ".into(),
after_eq: " ".into(),
..Default::default()
}),
span: (12..18).into()
})
);
}
fn before_node_children(input: &mut Input<'_>) -> PResult<()> {
alt((
(
node_space1,
slashdashed_entries,
// This second one will fail if `node_entry_leading` is empty.
node_space1,
slashdashed_children,
)
.take(),
(node_space1, slashdashed_entries).take(),
(node_space1, slashdashed_children).take(),
node_space0.take(),
))
.void()
.parse_next(input)?;
node_space0.parse_next(input)?;
Ok(())
}
#[cfg(test)]
#[test]
fn before_node_children_test() {
assert!(before_node_children.parse(new_input(" /- { }")).is_ok());
assert!(before_node_children.parse(new_input(" /- { bar }")).is_ok());
}
fn slashdashed_children(input: &mut Input<'_>) -> PResult<()> {
node_space0.parse_next(input)?;
separated(
1..,
(slashdash.void(), node_children.void()).void(),
node_space1,
)
.map(|()| ())
.parse_next(input)
}
#[cfg(test)]
#[test]
fn around_children_test() {
assert!(slashdashed_children.parse(new_input("/- { }")).is_ok());
assert!(slashdashed_children.parse(new_input("/- { bar }")).is_ok());
}
/// `node-children := '{' nodes final-node? '}'`
fn node_children(input: &mut Input<'_>) -> PResult<KdlDocument> {
let _start = input.location();
"{".parse_next(input)?;
let mut ns = nodes.parse_next(input)?;
let fin = opt(final_node).parse_next(input)?;
if let Some(fin) = fin {
ns.nodes.push(fin);
}
cut_err("}").parse_next(input)?;
#[cfg(feature = "span")]
{
ns.span = (_start..input.location()).into();
}
Ok(ns)
delimited("{", nodes, cut_err("}")).parse_next(input)
}
/// `node-terminator := single-line-comment | newline | ';' | eof`
fn node_terminator(input: &mut Input<'_>) -> PResult<()> {
alt((eof.void(), ";".void(), newline, single_line_comment)).parse_next(input)
alt((";".void(), newline, single_line_comment)).parse_next(input)
}
/// `prop := string optional-node-space equals-sign optional-node-space value`
fn prop(input: &mut Input<'_>) -> PResult<Option<KdlEntry>> {
let ((key, after_key, _eqa, after_eq, value), _span) = (
identifier,
optional_node_space.take(),
node_space0.take(),
equals_sign.take(),
optional_node_space.take(),
node_space0.take(),
cut_err(value),
)
.with_span()
@ -507,7 +611,7 @@ fn prop(input: &mut Input<'_>) -> PResult<Option<KdlEntry>> {
/// `value := type? optional-node-space (string | number | keyword)`
fn value(input: &mut Input<'_>) -> PResult<Option<KdlEntry>> {
let ((ty, (value, raw)), _span) = (
opt((ty, optional_node_space.take())),
opt((ty, node_space0.take())),
alt((keyword.map(Some), number.map(Some), string)).with_taken(),
)
.with_span()
@ -533,71 +637,34 @@ fn value(input: &mut Input<'_>) -> PResult<Option<KdlEntry>> {
fn ty<'s>(input: &mut Input<'s>) -> PResult<(&'s str, Option<KdlIdentifier>, &'s str)> {
"(".parse_next(input)?;
let (before_ty, ty, after_ty) = (
optional_node_space.take(),
node_space0.take(),
cut_err(identifier.context(lbl("type name")))
.resume_after((badval, peek(")").void(), badval).void()),
optional_node_space.take(),
node_space0.take(),
)
.parse_next(input)?;
cut_err(")").parse_next(input)?;
Ok((before_ty, ty, after_ty))
}
/// `plain-line-space := newline | ws | single-line-comment`
fn plain_line_space(input: &mut Input<'_>) -> PResult<()> {
/// `line-space := newline | ws | single-line-comment`
fn line_space(input: &mut Input<'_>) -> PResult<()> {
alt((newline, ws, single_line_comment)).parse_next(input)
}
/// `plain-node-space := ws* escline ws* | ws+`
fn plain_node_space(input: &mut Input<'_>) -> PResult<()> {
/// `node-space := ws* escline ws* | ws+`
fn node_space(input: &mut Input<'_>) -> PResult<()> {
alt(((wss, escline, wss).void(), wsp)).parse_next(input)
}
/// `line-space := plain-line-space+ | '/-' plain-node-space* node`
fn line_space(input: &mut Input<'_>) -> PResult<()> {
alt((
repeat(1.., plain_line_space).map(|_: ()| ()).void(),
(
"/-",
repeat(0.., plain_node_space).map(|_: ()| ()),
cut_err(node),
)
.void()
.context(lbl("slashdashed node")),
))
.parse_next(input)
}
/// `node-space := plain-node-space+ ('/-' plain-node-space* (node-prop-or-arg | node-children))?`
fn node_space(input: &mut Input<'_>) -> PResult<()> {
repeat(1.., plain_node_space)
.map(|_: ()| ())
.parse_next(input)?;
opt((
"/-",
repeat(0.., plain_node_space).map(|_: ()| ()),
cut_err(alt((
node_entry.void().context(lbl("slashdashed entry")),
node_children.void().context(lbl("slashdashed children")),
))),
))
.void()
.parse_next(input)
}
/// `required-node-space := node-space* plain-node-space+`
fn required_node_space(input: &mut Input<'_>) -> PResult<()> {
repeat(0.., (node_space, peek(plain_node_space)))
.map(|_: ()| ())
.parse_next(input)?;
repeat(1.., plain_node_space).parse_next(input)
}
/// `optional-node-space := node-space*`
fn optional_node_space(input: &mut Input<'_>) -> PResult<()> {
fn node_space0(input: &mut Input<'_>) -> PResult<()> {
repeat(0.., node_space).parse_next(input)
}
fn node_space1(input: &mut Input<'_>) -> PResult<()> {
repeat(1.., node_space).parse_next(input)
}
/// `string := identifier-string | quoted-string | raw-string`
pub(crate) fn string(input: &mut Input<'_>) -> PResult<Option<KdlValue>> {
alt((identifier_string, raw_string, quoted_string))
@ -1134,7 +1201,7 @@ fn escline(input: &mut Input<'_>) -> PResult<()> {
#[cfg(test)]
#[test]
fn escline_test() {
let node = node.parse(new_input("foo bar\\\n baz\n")).unwrap();
let node = node.parse(new_input("foo bar\\\n baz")).unwrap();
assert_eq!(node.entries().len(), 2);
}
@ -1231,6 +1298,32 @@ fn multi_line_comment_test() {
.is_ok());
}
/// slashdash := '/-' line-space*
fn slashdash(input: &mut Input<'_>) -> PResult<()> {
("/-", repeat(0.., line_space).map(|()| ()))
.void()
.parse_next(input)
}
#[cfg(test)]
#[test]
fn slashdash_tests() {
assert!(document.parse(new_input("/- foo bar")).is_ok());
assert!(node.parse(new_input("/- foo\nbar baz")).is_ok());
assert!(node_entry.parse(new_input("/-commented tada")).is_ok());
assert!(node.parse(new_input("foo /- { }")).is_ok());
assert!(node.parse(new_input("foo /- { bar }")).is_ok());
assert!(node
.parse(new_input("/- foo bar\nnode /-1 2 { x }"))
.is_ok());
assert!(node
.parse(new_input("/- foo bar\nnode 2 /-3 { x }"))
.is_ok());
assert!(node
.parse(new_input("/- foo bar\nnode /-1 2 /-3 { x }"))
.is_ok());
}
/// `number := keyword-number | hex | octal | binary | decimal`
fn number(input: &mut Input<'_>) -> PResult<KdlValue> {
alt((float_value, integer_value)).parse_next(input)
@ -1384,7 +1477,7 @@ fn test_hex() {
hex::<i128>
.parse(new_input("0xABCDEF0123456789abcdef0123456789"))
.is_err(),
"i128 overflow"
"i128 overflow"
);
assert!(hex::<i128>.parse(new_input("0x_deadbeef123")).is_err());
@ -1477,11 +1570,7 @@ fn test_binary() {
fn signum(input: &mut Input<'_>) -> PResult<bool> {
let sign = opt(alt(('+', '-'))).parse_next(input)?;
let mult = if let Some(sign) = sign {
if sign == '+' {
true
} else {
false
}
sign == '+'
} else {
true
};

View File

@ -76,7 +76,7 @@ fn spec_compliance() -> miette::Result<()> {
fn validate_res(
res: Result<KdlDocument, KdlParseFailure>,
path: &Path,
src: &String,
src: &str,
) -> Result<(), ComplianceDiagnostic> {
let file_name = path.file_name().unwrap();
let expected_dir = path
@ -94,9 +94,9 @@ fn validate_res(
if actual != expected {
return Err(ComplianceDiagnostic::ExpectationMismatch {
file: path.into(),
original: src.clone(),
expected,
actual,
original: src.into(),
expected: expected.replace('\n', "\\n").replace(" ", "."),
actual: actual.replace('\n', "\\n").replace(" ", "."),
});
}
} else if underscored.exists() {

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node 1 3

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node 1 3

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node foo {
three
}

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node 1 2

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node 1 3

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node 1 3

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node2

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ノード お名前=ฅ^•ﻌ•^ฅ

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node /-{
child
} foo {
bar
}

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node 1 /- /*
multi
line
comment
here
*/ 2 3

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node 1 /-/*two*/2 3

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node foo /-{
one
} \
/-{
two
} {
three
} /-{
four
}

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node 1 2 /-
{
child
}

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node 1 /-
2 3

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/-
node 1 2 3

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node 1 /- // stuff
2 3

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/- // this is a comment
node1
node2

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ノード お名前=ฅ^•ﻌ•^ฅ

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node {