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handle debug pretty printing
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parent
883b0c804e
commit
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@ -31,34 +31,40 @@ fn debug_print_output<SyntaxKind: SyntaxElement, SyntaxErr: SyntaxError>(
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lvl: i32,
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lvl: i32,
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errs: &mut Vec<&SyntaxErr>,
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errs: &mut Vec<&SyntaxErr>,
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) -> std::fmt::Result {
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) -> std::fmt::Result {
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if f.alternate() {
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for _ in 0..lvl {
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for _ in 0..lvl {
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f.write_str(" ")?;
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f.write_str(" ")?;
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}
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}
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}
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let maybe_newline = if f.alternate() { "\n" } else { " " };
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match node {
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match node {
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NodeOrToken::Node(n) => {
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NodeOrToken::Node(n) => {
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let kind: SyntaxKind = node.kind().into();
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let kind: SyntaxKind = node.kind().into();
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if kind != SyntaxKind::SYNTAX_ERROR {
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if kind != SyntaxKind::SYNTAX_ERROR {
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writeln!(f, "{:?} {{", kind)?;
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write!(f, "{:?} {{{maybe_newline}", kind)?;
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} else {
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} else {
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let err = errs
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let err = errs
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.pop()
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.pop()
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.expect("all error syntax nodes should correspond to an error");
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.expect("all error syntax nodes should correspond to an error");
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writeln!(f, "{:?}: {err:?} {{", kind)?;
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write!(f, "{:?}: {err:?} {{{maybe_newline}", kind)?;
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}
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}
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for c in n.children() {
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for c in n.children() {
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debug_print_output::<SyntaxKind, SyntaxErr>(c, f, lvl + 1, errs)?;
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debug_print_output::<SyntaxKind, SyntaxErr>(c, f, lvl + 1, errs)?;
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}
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}
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if f.alternate() {
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for _ in 0..lvl {
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for _ in 0..lvl {
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f.write_str(" ")?;
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f.write_str(" ")?;
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}
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}
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f.write_str("}\n")
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}
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write!(f, "}}{maybe_newline}")
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}
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}
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NodeOrToken::Token(t) => {
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NodeOrToken::Token(t) => {
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writeln!(
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write!(
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f,
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f,
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"{:?} {:?};",
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"{:?} {:?};{maybe_newline}",
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Into::<SyntaxKind>::into(t.kind()),
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Into::<SyntaxKind>::into(t.kind()),
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t.text()
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t.text()
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)
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)
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