Move everything into `crates/` directory

1 files changed, 0 insertions, 430 deletions

diff --git a/src/ide/highlight.rs b/src/ide/highlight.rs
deleted file mode 100644
index 2db636e3..00000000
--- a/src/ide/highlight.rs
+++ /dev/null
@@ -1,430 +0,0 @@
-use crate::syntax::{ast, LinkedNode, SyntaxKind, SyntaxNode};
-
-/// A syntax highlighting tag.
-#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash)]
-pub enum Tag {
-    /// A line or block comment.
-    Comment,
-    /// Punctuation in code.
-    Punctuation,
-    /// An escape sequence or shorthand.
-    Escape,
-    /// Strong markup.
-    Strong,
-    /// Emphasized markup.
-    Emph,
-    /// A hyperlink.
-    Link,
-    /// Raw text.
-    Raw,
-    /// A label.
-    Label,
-    /// A reference to a label.
-    Ref,
-    /// A section heading.
-    Heading,
-    /// A marker of a list, enumeration, or term list.
-    ListMarker,
-    /// A term in a term list.
-    ListTerm,
-    /// The delimiters of an equation.
-    MathDelimiter,
-    /// An operator with special meaning in an equation.
-    MathOperator,
-    /// A keyword.
-    Keyword,
-    /// An operator in code.
-    Operator,
-    /// A numeric literal.
-    Number,
-    /// A string literal.
-    String,
-    /// A function or method name.
-    Function,
-    /// An interpolated variable in markup or math.
-    Interpolated,
-    /// A syntax error.
-    Error,
-}
-
-impl Tag {
-    /// Return the recommended TextMate grammar scope for the given highlighting
-    /// tag.
-    pub fn tm_scope(&self) -> &'static str {
-        match self {
-            Self::Comment => "comment.typst",
-            Self::Punctuation => "punctuation.typst",
-            Self::Escape => "constant.character.escape.typst",
-            Self::Strong => "markup.bold.typst",
-            Self::Emph => "markup.italic.typst",
-            Self::Link => "markup.underline.link.typst",
-            Self::Raw => "markup.raw.typst",
-            Self::MathDelimiter => "punctuation.definition.math.typst",
-            Self::MathOperator => "keyword.operator.math.typst",
-            Self::Heading => "markup.heading.typst",
-            Self::ListMarker => "punctuation.definition.list.typst",
-            Self::ListTerm => "markup.list.term.typst",
-            Self::Label => "entity.name.label.typst",
-            Self::Ref => "markup.other.reference.typst",
-            Self::Keyword => "keyword.typst",
-            Self::Operator => "keyword.operator.typst",
-            Self::Number => "constant.numeric.typst",
-            Self::String => "string.quoted.double.typst",
-            Self::Function => "entity.name.function.typst",
-            Self::Interpolated => "meta.interpolation.typst",
-            Self::Error => "invalid.typst",
-        }
-    }
-
-    /// The recommended CSS class for the highlighting tag.
-    pub fn css_class(self) -> &'static str {
-        match self {
-            Self::Comment => "typ-comment",
-            Self::Punctuation => "typ-punct",
-            Self::Escape => "typ-escape",
-            Self::Strong => "typ-strong",
-            Self::Emph => "typ-emph",
-            Self::Link => "typ-link",
-            Self::Raw => "typ-raw",
-            Self::Label => "typ-label",
-            Self::Ref => "typ-ref",
-            Self::Heading => "typ-heading",
-            Self::ListMarker => "typ-marker",
-            Self::ListTerm => "typ-term",
-            Self::MathDelimiter => "typ-math-delim",
-            Self::MathOperator => "typ-math-op",
-            Self::Keyword => "typ-key",
-            Self::Operator => "typ-op",
-            Self::Number => "typ-num",
-            Self::String => "typ-str",
-            Self::Function => "typ-func",
-            Self::Interpolated => "typ-pol",
-            Self::Error => "typ-error",
-        }
-    }
-}
-
-/// Determine the highlight tag of a linked syntax node.
-///
-/// Returns `None` if the node should not be highlighted.
-pub fn highlight(node: &LinkedNode) -> Option<Tag> {
-    match node.kind() {
-        SyntaxKind::Markup
-            if node.parent_kind() == Some(SyntaxKind::TermItem)
-                && node.next_sibling_kind() == Some(SyntaxKind::Colon) =>
-        {
-            Some(Tag::ListTerm)
-        }
-        SyntaxKind::Markup => None,
-        SyntaxKind::Text => None,
-        SyntaxKind::Space => None,
-        SyntaxKind::Linebreak => Some(Tag::Escape),
-        SyntaxKind::Parbreak => None,
-        SyntaxKind::Escape => Some(Tag::Escape),
-        SyntaxKind::Shorthand => Some(Tag::Escape),
-        SyntaxKind::SmartQuote => None,
-        SyntaxKind::Strong => Some(Tag::Strong),
-        SyntaxKind::Emph => Some(Tag::Emph),
-        SyntaxKind::Raw => Some(Tag::Raw),
-        SyntaxKind::Link => Some(Tag::Link),
-        SyntaxKind::Label => Some(Tag::Label),
-        SyntaxKind::Ref => Some(Tag::Ref),
-        SyntaxKind::RefMarker => None,
-        SyntaxKind::Heading => Some(Tag::Heading),
-        SyntaxKind::HeadingMarker => None,
-        SyntaxKind::ListItem => None,
-        SyntaxKind::ListMarker => Some(Tag::ListMarker),
-        SyntaxKind::EnumItem => None,
-        SyntaxKind::EnumMarker => Some(Tag::ListMarker),
-        SyntaxKind::TermItem => None,
-        SyntaxKind::TermMarker => Some(Tag::ListMarker),
-        SyntaxKind::Equation => None,
-
-        SyntaxKind::Math => None,
-        SyntaxKind::MathIdent => highlight_ident(node),
-        SyntaxKind::MathAlignPoint => Some(Tag::MathOperator),
-        SyntaxKind::MathDelimited => None,
-        SyntaxKind::MathAttach => None,
-        SyntaxKind::MathFrac => None,
-        SyntaxKind::MathRoot => None,
-
-        SyntaxKind::Hashtag => highlight_hashtag(node),
-        SyntaxKind::LeftBrace => Some(Tag::Punctuation),
-        SyntaxKind::RightBrace => Some(Tag::Punctuation),
-        SyntaxKind::LeftBracket => Some(Tag::Punctuation),
-        SyntaxKind::RightBracket => Some(Tag::Punctuation),
-        SyntaxKind::LeftParen => Some(Tag::Punctuation),
-        SyntaxKind::RightParen => Some(Tag::Punctuation),
-        SyntaxKind::Comma => Some(Tag::Punctuation),
-        SyntaxKind::Semicolon => Some(Tag::Punctuation),
-        SyntaxKind::Colon => Some(Tag::Punctuation),
-        SyntaxKind::Star => match node.parent_kind() {
-            Some(SyntaxKind::Strong) => None,
-            _ => Some(Tag::Operator),
-        },
-        SyntaxKind::Underscore => match node.parent_kind() {
-            Some(SyntaxKind::MathAttach) => Some(Tag::MathOperator),
-            _ => None,
-        },
-        SyntaxKind::Dollar => Some(Tag::MathDelimiter),
-        SyntaxKind::Plus => Some(Tag::Operator),
-        SyntaxKind::Minus => Some(Tag::Operator),
-        SyntaxKind::Slash => Some(match node.parent_kind() {
-            Some(SyntaxKind::MathFrac) => Tag::MathOperator,
-            _ => Tag::Operator,
-        }),
-        SyntaxKind::Hat => Some(Tag::MathOperator),
-        SyntaxKind::Dot => Some(Tag::Punctuation),
-        SyntaxKind::Eq => match node.parent_kind() {
-            Some(SyntaxKind::Heading) => None,
-            _ => Some(Tag::Operator),
-        },
-        SyntaxKind::EqEq => Some(Tag::Operator),
-        SyntaxKind::ExclEq => Some(Tag::Operator),
-        SyntaxKind::Lt => Some(Tag::Operator),
-        SyntaxKind::LtEq => Some(Tag::Operator),
-        SyntaxKind::Gt => Some(Tag::Operator),
-        SyntaxKind::GtEq => Some(Tag::Operator),
-        SyntaxKind::PlusEq => Some(Tag::Operator),
-        SyntaxKind::HyphEq => Some(Tag::Operator),
-        SyntaxKind::StarEq => Some(Tag::Operator),
-        SyntaxKind::SlashEq => Some(Tag::Operator),
-        SyntaxKind::Dots => Some(Tag::Operator),
-        SyntaxKind::Arrow => Some(Tag::Operator),
-        SyntaxKind::Root => Some(Tag::MathOperator),
-
-        SyntaxKind::Not => Some(Tag::Keyword),
-        SyntaxKind::And => Some(Tag::Keyword),
-        SyntaxKind::Or => Some(Tag::Keyword),
-        SyntaxKind::None => Some(Tag::Keyword),
-        SyntaxKind::Auto => Some(Tag::Keyword),
-        SyntaxKind::Let => Some(Tag::Keyword),
-        SyntaxKind::Set => Some(Tag::Keyword),
-        SyntaxKind::Show => Some(Tag::Keyword),
-        SyntaxKind::If => Some(Tag::Keyword),
-        SyntaxKind::Else => Some(Tag::Keyword),
-        SyntaxKind::For => Some(Tag::Keyword),
-        SyntaxKind::In => Some(Tag::Keyword),
-        SyntaxKind::While => Some(Tag::Keyword),
-        SyntaxKind::Break => Some(Tag::Keyword),
-        SyntaxKind::Continue => Some(Tag::Keyword),
-        SyntaxKind::Return => Some(Tag::Keyword),
-        SyntaxKind::Import => Some(Tag::Keyword),
-        SyntaxKind::Include => Some(Tag::Keyword),
-        SyntaxKind::As => Some(Tag::Keyword),
-
-        SyntaxKind::Code => None,
-        SyntaxKind::Ident => highlight_ident(node),
-        SyntaxKind::Bool => Some(Tag::Keyword),
-        SyntaxKind::Int => Some(Tag::Number),
-        SyntaxKind::Float => Some(Tag::Number),
-        SyntaxKind::Numeric => Some(Tag::Number),
-        SyntaxKind::Str => Some(Tag::String),
-        SyntaxKind::CodeBlock => None,
-        SyntaxKind::ContentBlock => None,
-        SyntaxKind::Parenthesized => None,
-        SyntaxKind::Array => None,
-        SyntaxKind::Dict => None,
-        SyntaxKind::Named => None,
-        SyntaxKind::Keyed => None,
-        SyntaxKind::Unary => None,
-        SyntaxKind::Binary => None,
-        SyntaxKind::FieldAccess => None,
-        SyntaxKind::FuncCall => None,
-        SyntaxKind::Args => None,
-        SyntaxKind::Spread => None,
-        SyntaxKind::Closure => None,
-        SyntaxKind::Params => None,
-        SyntaxKind::LetBinding => None,
-        SyntaxKind::SetRule => None,
-        SyntaxKind::ShowRule => None,
-        SyntaxKind::Conditional => None,
-        SyntaxKind::WhileLoop => None,
-        SyntaxKind::ForLoop => None,
-        SyntaxKind::ModuleImport => None,
-        SyntaxKind::ImportItems => None,
-        SyntaxKind::ModuleInclude => None,
-        SyntaxKind::LoopBreak => None,
-        SyntaxKind::LoopContinue => None,
-        SyntaxKind::FuncReturn => None,
-        SyntaxKind::Destructuring => None,
-        SyntaxKind::DestructAssignment => None,
-
-        SyntaxKind::LineComment => Some(Tag::Comment),
-        SyntaxKind::BlockComment => Some(Tag::Comment),
-        SyntaxKind::Error => Some(Tag::Error),
-        SyntaxKind::Eof => None,
-    }
-}
-
-/// Highlight an identifier based on context.
-fn highlight_ident(node: &LinkedNode) -> Option<Tag> {
-    // Are we directly before an argument list?
-    let next_leaf = node.next_leaf();
-    if let Some(next) = &next_leaf {
-        if node.range().end == next.offset()
-            && ((next.kind() == SyntaxKind::LeftParen
-                && matches!(
-                    next.parent_kind(),
-                    Some(SyntaxKind::Args | SyntaxKind::Params)
-                ))
-                || (next.kind() == SyntaxKind::LeftBracket
-                    && next.parent_kind() == Some(SyntaxKind::ContentBlock)))
-        {
-            return Some(Tag::Function);
-        }
-    }
-
-    // Are we in math?
-    if node.kind() == SyntaxKind::MathIdent {
-        return Some(Tag::Interpolated);
-    }
-
-    // Find the first non-field access ancestor.
-    let mut ancestor = node;
-    while ancestor.parent_kind() == Some(SyntaxKind::FieldAccess) {
-        ancestor = ancestor.parent()?;
-    }
-
-    // Are we directly before or behind a show rule colon?
-    if ancestor.parent_kind() == Some(SyntaxKind::ShowRule)
-        && (next_leaf.map(|leaf| leaf.kind()) == Some(SyntaxKind::Colon)
-            || node.prev_leaf().map(|leaf| leaf.kind()) == Some(SyntaxKind::Colon))
-    {
-        return Some(Tag::Function);
-    }
-
-    // Are we (or an ancestor field access) directly after a hashtag.
-    if ancestor.prev_leaf().map(|leaf| leaf.kind()) == Some(SyntaxKind::Hashtag) {
-        return Some(Tag::Interpolated);
-    }
-
-    // Are we behind a dot, that is behind another identifier?
-    let prev = node.prev_leaf()?;
-    if prev.kind() == SyntaxKind::Dot {
-        let prev_prev = prev.prev_leaf()?;
-        if is_ident(&prev_prev) {
-            return highlight_ident(&prev_prev);
-        }
-    }
-
-    None
-}
-
-/// Highlight a hashtag based on context.
-fn highlight_hashtag(node: &LinkedNode) -> Option<Tag> {
-    let next = node.next_sibling()?;
-    let expr = next.cast::<ast::Expr>()?;
-    if !expr.hashtag() {
-        return None;
-    }
-    highlight(&next.leftmost_leaf()?)
-}
-
-/// Whether the node is one of the two identifier nodes.
-fn is_ident(node: &LinkedNode) -> bool {
-    matches!(node.kind(), SyntaxKind::Ident | SyntaxKind::MathIdent)
-}
-
-/// Highlight a node to an HTML `code` element.
-///
-/// This uses these [CSS classes for categories](Tag::css_class).
-pub fn highlight_html(root: &SyntaxNode) -> String {
-    let mut buf = String::from("<code>");
-    let node = LinkedNode::new(root);
-    highlight_html_impl(&mut buf, &node);
-    buf.push_str("</code>");
-    buf
-}
-
-/// Highlight one source node, emitting HTML.
-fn highlight_html_impl(html: &mut String, node: &LinkedNode) {
-    let mut span = false;
-    if let Some(tag) = highlight(node) {
-        if tag != Tag::Error {
-            span = true;
-            html.push_str("<span class=\"");
-            html.push_str(tag.css_class());
-            html.push_str("\">");
-        }
-    }
-
-    let text = node.text();
-    if !text.is_empty() {
-        for c in text.chars() {
-            match c {
-                '<' => html.push_str("&lt;"),
-                '>' => html.push_str("&gt;"),
-                '&' => html.push_str("&amp;"),
-                '\'' => html.push_str("&#39;"),
-                '"' => html.push_str("&quot;"),
-                _ => html.push(c),
-            }
-        }
-    } else {
-        for child in node.children() {
-            highlight_html_impl(html, &child);
-        }
-    }
-
-    if span {
-        html.push_str("</span>");
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use std::ops::Range;
-
-    use super::*;
-    use crate::syntax::Source;
-
-    #[test]
-    fn test_highlighting() {
-        use Tag::*;
-
-        #[track_caller]
-        fn test(text: &str, goal: &[(Range<usize>, Tag)]) {
-            let mut vec = vec![];
-            let source = Source::detached(text);
-            highlight_tree(&mut vec, &LinkedNode::new(source.root()));
-            assert_eq!(vec, goal);
-        }
-
-        fn highlight_tree(tags: &mut Vec<(Range<usize>, Tag)>, node: &LinkedNode) {
-            if let Some(tag) = highlight(node) {
-                tags.push((node.range(), tag));
-            }
-
-            for child in node.children() {
-                highlight_tree(tags, &child);
-            }
-        }
-
-        test("= *AB*", &[(0..6, Heading), (2..6, Strong)]);
-
-        test(
-            "#f(x + 1)",
-            &[
-                (0..1, Function),
-                (1..2, Function),
-                (2..3, Punctuation),
-                (5..6, Operator),
-                (7..8, Number),
-                (8..9, Punctuation),
-            ],
-        );
-
-        test(
-            "#let f(x) = x",
-            &[
-                (0..1, Keyword),
-                (1..4, Keyword),
-                (5..6, Function),
-                (6..7, Punctuation),
-                (8..9, Punctuation),
-                (10..11, Operator),
-            ],
-        );
-    }
-}