mirror of
https://github.com/typst/typst
synced 2025-05-13 20:46:23 +08:00
Inline literal enum into expression enum 🔀
This commit is contained in:
Laurenz
parent
7b4d4d6002
commit
59d811aeba
@ -75,7 +75,6 @@ impl Eval for Spanned<&Node> {
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let node = ctx.make_text_node(text.clone());
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ctx.push(node);
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}
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Node::Space => {
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let em = ctx.state.font.font_size();
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ctx.push(NodeSpacing {
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@ -85,13 +84,10 @@ impl Eval for Spanned<&Node> {
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}
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Node::Linebreak => ctx.apply_linebreak(),
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Node::Parbreak => ctx.apply_parbreak(),
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Node::Strong => ctx.state.font.strong ^= true,
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Node::Emph => ctx.state.font.emph ^= true,
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Node::Heading(heading) => heading.with_span(self.span).eval(ctx),
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Node::Raw(raw) => raw.with_span(self.span).eval(ctx),
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Node::Expr(expr) => {
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let value = expr.with_span(self.span).eval(ctx);
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value.eval(ctx)
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@ -153,7 +149,21 @@ impl Eval for Spanned<&Expr> {
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fn eval(self, ctx: &mut EvalContext) -> Self::Output {
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match self.v {
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Expr::Lit(v) => v.with_span(self.span).eval(ctx),
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Expr::None => Value::None,
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Expr::Ident(v) => match ctx.state.scope.get(v) {
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Some(value) => value.clone(),
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None => {
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ctx.diag(error!(self.span, "unknown variable"));
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Value::Error
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}
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},
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Expr::Bool(v) => Value::Bool(*v),
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Expr::Int(v) => Value::Int(*v),
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Expr::Float(v) => Value::Float(*v),
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Expr::Length(v, unit) => Value::Length(Length::with_unit(*v, *unit)),
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Expr::Percent(v) => Value::Relative(Relative::new(v / 100.0)),
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Expr::Color(v) => Value::Color(Color::Rgba(*v)),
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Expr::Str(v) => Value::Str(v.clone()),
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Expr::Call(v) => v.with_span(self.span).eval(ctx),
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Expr::Unary(v) => v.with_span(self.span).eval(ctx),
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Expr::Binary(v) => v.with_span(self.span).eval(ctx),
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@ -164,49 +174,6 @@ impl Eval for Spanned<&Expr> {
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}
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}
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impl Eval for Spanned<&Lit> {
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type Output = Value;
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fn eval(self, ctx: &mut EvalContext) -> Self::Output {
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match *self.v {
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Lit::Ident(ref v) => match ctx.state.scope.get(&v) {
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Some(value) => value.clone(),
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None => {
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ctx.diag(error!(self.span, "unknown variable"));
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Value::Error
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}
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},
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Lit::None => Value::None,
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Lit::Bool(v) => Value::Bool(v),
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Lit::Int(v) => Value::Int(v),
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Lit::Float(v) => Value::Float(v),
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Lit::Length(v, unit) => Value::Length(Length::with_unit(v, unit)),
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Lit::Percent(v) => Value::Relative(Relative::new(v / 100.0)),
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Lit::Color(v) => Value::Color(Color::Rgba(v)),
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Lit::Str(ref v) => Value::Str(v.clone()),
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}
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}
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}
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impl Eval for Spanned<&ExprArray> {
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type Output = ValueArray;
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fn eval(self, ctx: &mut EvalContext) -> Self::Output {
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self.v.iter().map(|expr| expr.as_ref().eval(ctx)).collect()
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}
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}
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impl Eval for Spanned<&ExprDict> {
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type Output = ValueDict;
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fn eval(self, ctx: &mut EvalContext) -> Self::Output {
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self.v
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.iter()
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.map(|Named { name, expr }| (name.v.0.clone(), expr.as_ref().eval(ctx)))
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.collect()
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}
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}
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impl Eval for Spanned<&ExprUnary> {
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type Output = Value;
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@ -245,6 +212,25 @@ impl Eval for Spanned<&ExprBinary> {
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}
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}
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impl Eval for Spanned<&ExprArray> {
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type Output = ValueArray;
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fn eval(self, ctx: &mut EvalContext) -> Self::Output {
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self.v.iter().map(|expr| expr.as_ref().eval(ctx)).collect()
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}
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}
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impl Eval for Spanned<&ExprDict> {
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type Output = ValueDict;
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fn eval(self, ctx: &mut EvalContext) -> Self::Output {
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self.v
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.iter()
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.map(|Named { name, expr }| (name.v.0.clone(), expr.as_ref().eval(ctx)))
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.collect()
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}
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}
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/// Compute the negation of a value.
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fn neg(ctx: &mut EvalContext, span: Span, value: Value) -> Value {
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use Value::*;
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@ -487,6 +487,7 @@ macro_rules! impl_type {
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mod tests {
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use super::*;
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use crate::color::RgbaColor;
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use crate::parse::parse;
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use crate::pretty::pretty;
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use crate::syntax::Node;
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@ -496,7 +497,7 @@ mod tests {
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}
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#[test]
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fn test_pretty_print_values() {
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fn test_pretty_print_simple_values() {
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test_pretty(Value::None, "none");
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test_pretty(false, "false");
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test_pretty(12.4, "12.4");
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@ -521,8 +522,8 @@ mod tests {
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// Dictionary.
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let mut dict = BTreeMap::new();
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dict.insert("one".into(), Value::Int(1));
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dict.insert("two".into(), Value::Int(2));
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dict.insert("two".into(), Value::Content(parse("[f]").output));
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test_pretty(BTreeMap::new(), "(:)");
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test_pretty(dict, "(one: 1, two: 2)");
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test_pretty(dict, "(one: 1, two: [f])");
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}
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}
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@ -3,7 +3,7 @@ use super::*;
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/// A relative length.
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///
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/// _Note_: `50%` is represented as `0.5` here, but stored as `50.0` in the
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/// corresponding [literal](crate::syntax::Lit::Percent).
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/// corresponding [literal](crate::syntax::Expr::Percent).
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#[derive(Default, Copy, Clone, PartialEq, PartialOrd)]
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pub struct Relative(f64);
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@ -53,7 +53,7 @@ fn collection<T: Collection>(p: &mut Parser, mut collection: T) -> T {
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fn argument(p: &mut Parser) -> Option<Argument> {
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let first = p.span_if(expr)?;
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if p.eat_if(Token::Colon) {
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if let Expr::Lit(Lit::Ident(ident)) = first.v {
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if let Expr::Ident(ident) = first.v {
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let expr = p.span_if(expr)?;
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let name = ident.with_span(first.span);
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p.deco(Deco::Name.with_span(name.span));
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@ -131,7 +131,7 @@ impl Collection for State {
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fn take(expr: &mut Spanned<Expr>) -> Spanned<Expr> {
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// Replace with anything, it's overwritten anyway.
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std::mem::replace(expr, Spanned::zero(Expr::Lit(Lit::Bool(false))))
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std::mem::replace(expr, Spanned::zero(Expr::Bool(false)))
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}
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fn diag(p: &mut Parser, arg: Spanned<Argument>) {
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@ -49,6 +49,7 @@ fn tree(p: &mut Parser) -> Tree {
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/// Parse a syntax node.
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fn node(p: &mut Parser, at_start: bool) -> Option<Node> {
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let node = match p.peek()? {
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Token::Text(text) => Node::Text(text.into()),
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Token::Space(newlines) => {
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if newlines < 2 {
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Node::Space
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@ -56,13 +57,20 @@ fn node(p: &mut Parser, at_start: bool) -> Option<Node> {
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Node::Parbreak
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}
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}
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Token::Text(text) => Node::Text(text.into()),
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Token::LineComment(_) | Token::BlockComment(_) => {
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p.eat();
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return None;
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}
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Token::LeftBracket => {
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return Some(Node::Expr(Expr::Call(bracket_call(p))));
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}
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Token::LeftBrace => {
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return Some(Node::Expr(block_expr(p)?));
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}
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Token::Star => Node::Strong,
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Token::Underscore => Node::Emph,
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Token::Tilde => Node::Text("\u{00A0}".into()),
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@ -77,14 +85,6 @@ fn node(p: &mut Parser, at_start: bool) -> Option<Node> {
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Token::Raw(t) => Node::Raw(raw(p, t)),
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Token::UnicodeEscape(t) => Node::Text(unicode_escape(p, t)),
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Token::LeftBracket => {
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return Some(Node::Expr(Expr::Call(bracket_call(p))));
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}
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Token::LeftBrace => {
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return Some(Node::Expr(block_expr(p)?));
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}
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_ => {
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p.diag_unexpected();
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return None;
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@ -321,19 +321,19 @@ fn value(p: &mut Parser) -> Option<Expr> {
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let name = ident.with_span(p.peek_span());
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return Some(Expr::Call(paren_call(p, name)));
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} else {
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return Some(Expr::Lit(Lit::Ident(ident)));
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return Some(Expr::Ident(ident));
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}
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}
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// Basic values.
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Some(Token::None) => Expr::Lit(Lit::None),
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Some(Token::Bool(b)) => Expr::Lit(Lit::Bool(b)),
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Some(Token::Int(i)) => Expr::Lit(Lit::Int(i)),
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Some(Token::Float(f)) => Expr::Lit(Lit::Float(f)),
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Some(Token::Length(val, unit)) => Expr::Lit(Lit::Length(val, unit)),
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Some(Token::Percent(p)) => Expr::Lit(Lit::Percent(p)),
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Some(Token::Hex(hex)) => Expr::Lit(Lit::Color(color(p, hex))),
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Some(Token::Str(token)) => Expr::Lit(Lit::Str(str(p, token))),
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Some(Token::None) => Expr::None,
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Some(Token::Bool(b)) => Expr::Bool(b),
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Some(Token::Int(i)) => Expr::Int(i),
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Some(Token::Float(f)) => Expr::Float(f),
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Some(Token::Length(val, unit)) => Expr::Length(val, unit),
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Some(Token::Percent(p)) => Expr::Percent(p),
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Some(Token::Hex(hex)) => Expr::Color(color(p, hex)),
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Some(Token::Str(token)) => Expr::Str(str(p, token)),
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// No value.
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_ => {
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@ -9,7 +9,8 @@ use crate::geom::Unit;
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use crate::syntax::*;
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use BinOp::*;
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use Node::{Emph, Linebreak, Parbreak, Space, Strong};
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use Expr::{Bool, Color, Float, Int, Length, Percent};
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use Node::{Emph, Expr as Block, Linebreak, Parbreak, Space, Strong};
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use UnOp::*;
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macro_rules! t {
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@ -99,39 +100,11 @@ fn Raw(lang: Option<&str>, lines: &[&str], inline: bool) -> Node {
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}
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fn Id(ident: &str) -> Expr {
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Expr::Lit(Lit::Ident(Ident(ident.to_string())))
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}
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fn Bool(b: bool) -> Expr {
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Expr::Lit(Lit::Bool(b))
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}
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fn Int(int: i64) -> Expr {
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Expr::Lit(Lit::Int(int))
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}
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fn Float(float: f64) -> Expr {
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Expr::Lit(Lit::Float(float))
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}
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fn Percent(percent: f64) -> Expr {
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Expr::Lit(Lit::Percent(percent))
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}
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fn Length(val: f64, unit: Unit) -> Expr {
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Expr::Lit(Lit::Length(val, unit))
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}
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fn Color(color: RgbaColor) -> Expr {
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Expr::Lit(Lit::Color(color))
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Expr::Ident(Ident(ident.to_string()))
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}
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fn Str(string: &str) -> Expr {
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Expr::Lit(Lit::Str(string.to_string()))
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}
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fn Block(expr: Expr) -> Node {
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Node::Expr(expr)
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Expr::Str(string.to_string())
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}
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fn Binary(
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@ -614,7 +587,7 @@ fn test_parse_values() {
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t!("{name}" Block(Id("name")));
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t!("{ke-bab}" Block(Id("ke-bab")));
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t!("{α}" Block(Id("α")));
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t!("{none}" Block(Expr::Lit(Lit::None)));
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t!("{none}" Block(Expr::None));
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t!("{true}" Block(Bool(true)));
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t!("{false}" Block(Bool(false)));
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t!("{1.0e-4}" Block(Float(1e-4)));
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@ -379,25 +379,21 @@ mod tests {
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use crate::parse::tests::check;
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use Option::None;
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use Token::{
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BlockComment as BC, Ident as Id, LeftBrace as LB, LeftBracket as L,
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LeftParen as LP, LineComment as LC, RightBrace as RB, RightBracket as R,
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RightParen as RP, Space as S, Text as T, *,
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};
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use Token::{Ident, *};
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use Unit::*;
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fn Str(string: &str, terminated: bool) -> Token {
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Token::Str(TokenStr { string, terminated })
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}
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fn Raw(text: &str, backticks: usize, terminated: bool) -> Token {
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Token::Raw(TokenRaw { text, backticks, terminated })
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}
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fn UE(sequence: &str, terminated: bool) -> Token {
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fn UnicodeEscape(sequence: &str, terminated: bool) -> Token {
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Token::UnicodeEscape(TokenUnicodeEscape { sequence, terminated })
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}
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fn Str(string: &str, terminated: bool) -> Token {
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Token::Str(TokenStr { string, terminated })
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}
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/// Building blocks for suffix testing.
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///
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/// We extend each test case with a collection of different suffixes to make
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@ -421,27 +417,27 @@ mod tests {
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/// - the resulting suffix token
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const SUFFIXES: &[(char, Option<TokenMode>, &str, Token)] = &[
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// Whitespace suffixes.
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(' ', None, " ", S(0)),
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(' ', None, "\n", S(1)),
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(' ', None, "\r", S(1)),
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(' ', None, "\r\n", S(1)),
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(' ', None, " ", Space(0)),
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(' ', None, "\n", Space(1)),
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(' ', None, "\r", Space(1)),
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(' ', None, "\r\n", Space(1)),
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// Letter suffixes.
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('a', Some(Body), "hello", T("hello")),
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('a', Some(Body), "💚", T("💚")),
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('a', Some(Header), "val", Id("val")),
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('a', Some(Header), "α", Id("α")),
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('a', Some(Header), "_", Id("_")),
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('a', Some(Body), "hello", Text("hello")),
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('a', Some(Body), "💚", Text("💚")),
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('a', Some(Header), "val", Ident("val")),
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('a', Some(Header), "α", Ident("α")),
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('a', Some(Header), "_", Ident("_")),
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// Number suffixes.
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('1', Some(Header), "2", Int(2)),
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('1', Some(Header), ".2", Float(0.2)),
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// Symbol suffixes.
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('/', None, "[", L),
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('/', None, "//", LC("")),
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('/', None, "/**/", BC("")),
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('/', None, "[", LeftBracket),
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('/', None, "//", LineComment("")),
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('/', None, "/**/", BlockComment("")),
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('/', Some(Body), "*", Star),
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('/', Some(Body), "_", Underscore),
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('/', Some(Body), r"\\", T(r"\")),
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('/', Some(Header), "(", LP),
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('/', Some(Body), r"\\", Text(r"\")),
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('/', Some(Header), "(", LeftParen),
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('/', Some(Header), ":", Colon),
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('/', Some(Header), "+", Plus),
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('/', Some(Header), "#123", Hex("123")),
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@ -487,69 +483,69 @@ mod tests {
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fn test_tokenize_whitespace() {
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// Test basic whitespace.
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t!(Both["a1/"]: "" => );
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t!(Both["a1/"]: " " => S(0));
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t!(Both["a1/"]: " " => S(0));
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t!(Both["a1/"]: "\t" => S(0));
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t!(Both["a1/"]: " \t" => S(0));
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t!(Both["a1/"]: "\u{202F}" => S(0));
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t!(Both["a1/"]: " " => Space(0));
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t!(Both["a1/"]: " " => Space(0));
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t!(Both["a1/"]: "\t" => Space(0));
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t!(Both["a1/"]: " \t" => Space(0));
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t!(Both["a1/"]: "\u{202F}" => Space(0));
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// Test newline counting.
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t!(Both["a1/"]: "\n" => S(1));
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t!(Both["a1/"]: "\n " => S(1));
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t!(Both["a1/"]: " \n" => S(1));
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t!(Both["a1/"]: " \n " => S(1));
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t!(Both["a1/"]: "\r\n" => S(1));
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t!(Both["a1/"]: " \n\t \n " => S(2));
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t!(Both["a1/"]: "\n\r" => S(2));
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t!(Both["a1/"]: " \r\r\n \x0D" => S(3));
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t!(Both["a1/"]: "\n" => Space(1));
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t!(Both["a1/"]: "\n " => Space(1));
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t!(Both["a1/"]: " \n" => Space(1));
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t!(Both["a1/"]: " \n " => Space(1));
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t!(Both["a1/"]: "\r\n" => Space(1));
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t!(Both["a1/"]: " \n\t \n " => Space(2));
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t!(Both["a1/"]: "\n\r" => Space(2));
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t!(Both["a1/"]: " \r\r\n \x0D" => Space(3));
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}
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#[test]
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fn test_tokenize_line_comments() {
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// Test line comment with no trailing newline.
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t!(Both[""]: "//" => LC(""));
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t!(Both[""]: "//" => LineComment(""));
|
||||
|
||||
// Test line comment ends at newline.
|
||||
t!(Both["a1/"]: "//bc\n" => LC("bc"), S(1));
|
||||
t!(Both["a1/"]: "// bc \n" => LC(" bc "), S(1));
|
||||
t!(Both["a1/"]: "//bc\r\n" => LC("bc"), S(1));
|
||||
t!(Both["a1/"]: "//bc\n" => LineComment("bc"), Space(1));
|
||||
t!(Both["a1/"]: "// bc \n" => LineComment(" bc "), Space(1));
|
||||
t!(Both["a1/"]: "//bc\r\n" => LineComment("bc"), Space(1));
|
||||
|
||||
// Test nested line comments.
|
||||
t!(Both["a1/"]: "//a//b\n" => LC("a//b"), S(1));
|
||||
t!(Both["a1/"]: "//a//b\n" => LineComment("a//b"), Space(1));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_tokenize_block_comments() {
|
||||
// Test basic block comments.
|
||||
t!(Both[""]: "/*" => BC(""));
|
||||
t!(Both: "/**/" => BC(""));
|
||||
t!(Both: "/*🏞*/" => BC("🏞"));
|
||||
t!(Both: "/*\n*/" => BC("\n"));
|
||||
t!(Both[""]: "/*" => BlockComment(""));
|
||||
t!(Both: "/**/" => BlockComment(""));
|
||||
t!(Both: "/*🏞*/" => BlockComment("🏞"));
|
||||
t!(Both: "/*\n*/" => BlockComment("\n"));
|
||||
|
||||
// Test depth 1 and 2 nested block comments.
|
||||
t!(Both: "/* /* */ */" => BC(" /* */ "));
|
||||
t!(Both: "/*/*/**/*/*/" => BC("/*/**/*/"));
|
||||
t!(Both: "/* /* */ */" => BlockComment(" /* */ "));
|
||||
t!(Both: "/*/*/**/*/*/" => BlockComment("/*/**/*/"));
|
||||
|
||||
// Test two nested, one unclosed block comments.
|
||||
t!(Both[""]: "/*/*/**/*/" => BC("/*/**/*/"));
|
||||
t!(Both[""]: "/*/*/**/*/" => BlockComment("/*/**/*/"));
|
||||
|
||||
// Test all combinations of up to two following slashes and stars.
|
||||
t!(Both[""]: "/*" => BC(""));
|
||||
t!(Both[""]: "/*/" => BC("/"));
|
||||
t!(Both[""]: "/**" => BC("*"));
|
||||
t!(Both[""]: "/*//" => BC("//"));
|
||||
t!(Both[""]: "/*/*" => BC("/*"));
|
||||
t!(Both[""]: "/**/" => BC(""));
|
||||
t!(Both[""]: "/***" => BC("**"));
|
||||
t!(Both[""]: "/*" => BlockComment(""));
|
||||
t!(Both[""]: "/*/" => BlockComment("/"));
|
||||
t!(Both[""]: "/**" => BlockComment("*"));
|
||||
t!(Both[""]: "/*//" => BlockComment("//"));
|
||||
t!(Both[""]: "/*/*" => BlockComment("/*"));
|
||||
t!(Both[""]: "/**/" => BlockComment(""));
|
||||
t!(Both[""]: "/***" => BlockComment("**"));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_tokenize_body_tokens() {
|
||||
// Test parentheses.
|
||||
t!(Body: "[" => L);
|
||||
t!(Body: "]" => R);
|
||||
t!(Body: "{" => LB);
|
||||
t!(Body: "}" => RB);
|
||||
t!(Body: "[" => LeftBracket);
|
||||
t!(Body: "]" => RightBracket);
|
||||
t!(Body: "{" => LeftBrace);
|
||||
t!(Body: "}" => RightBrace);
|
||||
|
||||
// Test markup tokens.
|
||||
t!(Body[" a1"]: "*" => Star);
|
||||
@ -559,7 +555,7 @@ mod tests {
|
||||
t!(Body[" "]: r"\" => Backslash);
|
||||
|
||||
// Test header symbols.
|
||||
t!(Body[" /"]: ":,=|/+-" => T(":,=|/+-"));
|
||||
t!(Body[" /"]: ":,=|/+-" => Text(":,=|/+-"));
|
||||
}
|
||||
|
||||
#[test]
|
||||
@ -584,62 +580,62 @@ mod tests {
|
||||
#[test]
|
||||
fn test_tokenize_escape_sequences() {
|
||||
// Test escapable symbols.
|
||||
t!(Body: r"\\" => T(r"\"));
|
||||
t!(Body: r"\/" => T("/"));
|
||||
t!(Body: r"\[" => T("["));
|
||||
t!(Body: r"\]" => T("]"));
|
||||
t!(Body: r"\{" => T("{"));
|
||||
t!(Body: r"\}" => T("}"));
|
||||
t!(Body: r"\*" => T("*"));
|
||||
t!(Body: r"\_" => T("_"));
|
||||
t!(Body: r"\#" => T("#"));
|
||||
t!(Body: r"\~" => T("~"));
|
||||
t!(Body: r"\`" => T("`"));
|
||||
t!(Body: r"\\" => Text(r"\"));
|
||||
t!(Body: r"\/" => Text("/"));
|
||||
t!(Body: r"\[" => Text("["));
|
||||
t!(Body: r"\]" => Text("]"));
|
||||
t!(Body: r"\{" => Text("{"));
|
||||
t!(Body: r"\}" => Text("}"));
|
||||
t!(Body: r"\*" => Text("*"));
|
||||
t!(Body: r"\_" => Text("_"));
|
||||
t!(Body: r"\#" => Text("#"));
|
||||
t!(Body: r"\~" => Text("~"));
|
||||
t!(Body: r"\`" => Text("`"));
|
||||
|
||||
// Test unescapable symbols.
|
||||
t!(Body[" /"]: r"\a" => T(r"\"), T("a"));
|
||||
t!(Body[" /"]: r"\u" => T(r"\"), T("u"));
|
||||
t!(Body[" /"]: r"\1" => T(r"\"), T("1"));
|
||||
t!(Body[" /"]: r"\:" => T(r"\"), T(":"));
|
||||
t!(Body[" /"]: r"\=" => T(r"\"), T("="));
|
||||
t!(Body[" /"]: r#"\""# => T(r"\"), T("\""));
|
||||
t!(Body[" /"]: r"\a" => Text(r"\"), Text("a"));
|
||||
t!(Body[" /"]: r"\u" => Text(r"\"), Text("u"));
|
||||
t!(Body[" /"]: r"\1" => Text(r"\"), Text("1"));
|
||||
t!(Body[" /"]: r"\:" => Text(r"\"), Text(":"));
|
||||
t!(Body[" /"]: r"\=" => Text(r"\"), Text("="));
|
||||
t!(Body[" /"]: r#"\""# => Text(r"\"), Text("\""));
|
||||
|
||||
// Test basic unicode escapes.
|
||||
t!(Body: r"\u{}" => UE("", true));
|
||||
t!(Body: r"\u{2603}" => UE("2603", true));
|
||||
t!(Body: r"\u{P}" => UE("P", true));
|
||||
t!(Body: r"\u{}" => UnicodeEscape("", true));
|
||||
t!(Body: r"\u{2603}" => UnicodeEscape("2603", true));
|
||||
t!(Body: r"\u{P}" => UnicodeEscape("P", true));
|
||||
|
||||
// Test unclosed unicode escapes.
|
||||
t!(Body[" /"]: r"\u{" => UE("", false));
|
||||
t!(Body[" /"]: r"\u{1" => UE("1", false));
|
||||
t!(Body[" /"]: r"\u{26A4" => UE("26A4", false));
|
||||
t!(Body[" /"]: r"\u{1Q3P" => UE("1Q3P", false));
|
||||
t!(Body: r"\u{1🏕}" => UE("1", false), T("🏕"), RB);
|
||||
t!(Body[" /"]: r"\u{" => UnicodeEscape("", false));
|
||||
t!(Body[" /"]: r"\u{1" => UnicodeEscape("1", false));
|
||||
t!(Body[" /"]: r"\u{26A4" => UnicodeEscape("26A4", false));
|
||||
t!(Body[" /"]: r"\u{1Q3P" => UnicodeEscape("1Q3P", false));
|
||||
t!(Body: r"\u{1🏕}" => UnicodeEscape("1", false), Text("🏕"), RightBrace);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_tokenize_text() {
|
||||
// Test basic text.
|
||||
t!(Body[" /"]: "hello" => T("hello"));
|
||||
t!(Body[" /"]: "hello-world" => T("hello-world"));
|
||||
t!(Body[" /"]: "hello" => Text("hello"));
|
||||
t!(Body[" /"]: "hello-world" => Text("hello-world"));
|
||||
|
||||
// Test header symbols in text.
|
||||
t!(Body[" /"]: "a():\"b" => T("a():\"b"));
|
||||
t!(Body[" /"]: "a():\"b" => Text("a():\"b"));
|
||||
|
||||
// Test text ends.
|
||||
t!(Body[""]: "hello " => T("hello"), S(0));
|
||||
t!(Body[""]: "hello~" => T("hello"), Tilde);
|
||||
t!(Body[""]: "hello " => Text("hello"), Space(0));
|
||||
t!(Body[""]: "hello~" => Text("hello"), Tilde);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_tokenize_header_tokens() {
|
||||
// Test parentheses.
|
||||
t!(Header: "[" => L);
|
||||
t!(Header: "]" => R);
|
||||
t!(Header: "{" => LB);
|
||||
t!(Header: "}" => RB);
|
||||
t!(Header: "(" => LP);
|
||||
t!(Header: ")" => RP);
|
||||
t!(Header: "[" => LeftBracket);
|
||||
t!(Header: "]" => RightBracket);
|
||||
t!(Header: "{" => LeftBrace);
|
||||
t!(Header: "}" => RightBrace);
|
||||
t!(Header: "(" => LeftParen);
|
||||
t!(Header: ")" => RightParen);
|
||||
|
||||
// Test structural tokens.
|
||||
t!(Header: ":" => Colon);
|
||||
@ -652,10 +648,10 @@ mod tests {
|
||||
|
||||
// Test hyphen parsed as symbol.
|
||||
t!(Header[" /"]: "-1" => Hyphen, Int(1));
|
||||
t!(Header[" /"]: "-a" => Hyphen, Id("a"));
|
||||
t!(Header[" /"]: "-a" => Hyphen, Ident("a"));
|
||||
t!(Header[" /"]: "--1" => Hyphen, Hyphen, Int(1));
|
||||
t!(Header[" /"]: "--_a" => Hyphen, Hyphen, Id("_a"));
|
||||
t!(Header[" /"]: "a-b" => Id("a-b"));
|
||||
t!(Header[" /"]: "--_a" => Hyphen, Hyphen, Ident("_a"));
|
||||
t!(Header[" /"]: "a-b" => Ident("a-b"));
|
||||
|
||||
// Test some operations.
|
||||
t!(Header[" /"]: "1+3" => Int(1), Plus, Int(3));
|
||||
@ -666,33 +662,33 @@ mod tests {
|
||||
#[test]
|
||||
fn test_tokenize_idents() {
|
||||
// Test valid identifiers.
|
||||
t!(Header[" /"]: "x" => Id("x"));
|
||||
t!(Header[" /"]: "value" => Id("value"));
|
||||
t!(Header[" /"]: "__main__" => Id("__main__"));
|
||||
t!(Header[" /"]: "_snake_case" => Id("_snake_case"));
|
||||
t!(Header[" /"]: "x" => Ident("x"));
|
||||
t!(Header[" /"]: "value" => Ident("value"));
|
||||
t!(Header[" /"]: "__main__" => Ident("__main__"));
|
||||
t!(Header[" /"]: "_snake_case" => Ident("_snake_case"));
|
||||
|
||||
// Test non-ascii.
|
||||
t!(Header[" /"]: "α" => Id("α"));
|
||||
t!(Header[" /"]: "ម្តាយ" => Id("ម្តាយ"));
|
||||
t!(Header[" /"]: "α" => Ident("α"));
|
||||
t!(Header[" /"]: "ម្តាយ" => Ident("ម្តាយ"));
|
||||
|
||||
// Test hyphen parsed as identifier.
|
||||
t!(Header[" /"]: "kebab-case" => Id("kebab-case"));
|
||||
t!(Header[" /"]: "one-10" => Id("one-10"));
|
||||
t!(Header[" /"]: "kebab-case" => Ident("kebab-case"));
|
||||
t!(Header[" /"]: "one-10" => Ident("one-10"));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_tokenize_keywords() {
|
||||
// Test none.
|
||||
t!(Header[" /"]: "none" => Token::None);
|
||||
t!(Header[" /"]: "None" => Id("None"));
|
||||
t!(Header[" /"]: "None" => Ident("None"));
|
||||
|
||||
// Test valid bools.
|
||||
t!(Header[" /"]: "false" => Bool(false));
|
||||
t!(Header[" /"]: "true" => Bool(true));
|
||||
|
||||
// Test invalid bools.
|
||||
t!(Header[" /"]: "True" => Id("True"));
|
||||
t!(Header[" /"]: "falser" => Id("falser"));
|
||||
t!(Header[" /"]: "True" => Ident("True"));
|
||||
t!(Header[" /"]: "falser" => Ident("falser"));
|
||||
}
|
||||
|
||||
#[test]
|
||||
@ -775,15 +771,15 @@ mod tests {
|
||||
fn test_tokenize_invalid() {
|
||||
// Test invalidly closed block comments.
|
||||
t!(Both: "*/" => StarSlash);
|
||||
t!(Both: "/**/*/" => BC(""), StarSlash);
|
||||
t!(Both: "/**/*/" => BlockComment(""), StarSlash);
|
||||
|
||||
// Test invalid expressions.
|
||||
t!(Header: r"\" => Invalid(r"\"));
|
||||
t!(Header: "🌓" => Invalid("🌓"));
|
||||
t!(Header: r"\:" => Invalid(r"\"), Colon);
|
||||
t!(Header: "meal⌚" => Id("meal"), Invalid("⌚"));
|
||||
t!(Header[" /"]: r"\a" => Invalid(r"\"), Id("a"));
|
||||
t!(Header[" /"]: ">main" => Invalid(">"), Id("main"));
|
||||
t!(Header: "meal⌚" => Ident("meal"), Invalid("⌚"));
|
||||
t!(Header[" /"]: r"\a" => Invalid(r"\"), Ident("a"));
|
||||
t!(Header[" /"]: ">main" => Invalid(">"), Ident("main"));
|
||||
|
||||
// Test invalid number suffixes.
|
||||
t!(Header[" /"]: "1foo" => Invalid("1foo"));
|
||||
|
||||
@ -39,7 +39,7 @@ impl Printer {
|
||||
Write::write_fmt(self, fmt)
|
||||
}
|
||||
|
||||
/// Write a comma-separated list of items.
|
||||
/// Write a list of items joined by a joiner.
|
||||
pub fn join<T, I, F>(&mut self, items: I, joiner: &str, mut write_item: F)
|
||||
where
|
||||
I: IntoIterator<Item = T>,
|
||||
|
||||
@ -5,8 +5,27 @@ use crate::geom::Unit;
|
||||
/// An expression.
|
||||
#[derive(Debug, Clone, PartialEq)]
|
||||
pub enum Expr {
|
||||
/// A literal: `true`, `1cm`, `"hi"`.
|
||||
Lit(Lit),
|
||||
/// The none literal: `none`.
|
||||
None,
|
||||
/// A identifier literal: `left`.
|
||||
Ident(Ident),
|
||||
/// A boolean literal: `true`, `false`.
|
||||
Bool(bool),
|
||||
/// An integer literal: `120`.
|
||||
Int(i64),
|
||||
/// A floating-point literal: `1.2`, `10e-4`.
|
||||
Float(f64),
|
||||
/// A length literal: `12pt`, `3cm`.
|
||||
Length(f64, Unit),
|
||||
/// A percent literal: `50%`.
|
||||
///
|
||||
/// _Note_: `50%` is stored as `50.0` here, but as `0.5` in the
|
||||
/// corresponding [value](crate::geom::Relative).
|
||||
Percent(f64),
|
||||
/// A color literal: `#ffccee`.
|
||||
Color(RgbaColor),
|
||||
/// A string literal: `"hello!"`.
|
||||
Str(String),
|
||||
/// An invocation of a function: `[foo ...]`, `foo(...)`.
|
||||
Call(ExprCall),
|
||||
/// A unary operation: `-x`.
|
||||
@ -24,7 +43,15 @@ pub enum Expr {
|
||||
impl Pretty for Expr {
|
||||
fn pretty(&self, p: &mut Printer) {
|
||||
match self {
|
||||
Self::Lit(lit) => lit.pretty(p),
|
||||
Self::None => p.push_str("none"),
|
||||
Self::Ident(v) => p.push_str(&v),
|
||||
Self::Bool(v) => write!(p, "{}", v).unwrap(),
|
||||
Self::Int(v) => write!(p, "{}", v).unwrap(),
|
||||
Self::Float(v) => write!(p, "{}", v).unwrap(),
|
||||
Self::Length(v, u) => write!(p, "{}{}", v, u).unwrap(),
|
||||
Self::Percent(v) => write!(p, "{}%", v).unwrap(),
|
||||
Self::Color(v) => write!(p, "{}", v).unwrap(),
|
||||
Self::Str(s) => write!(p, "{:?}", &s).unwrap(),
|
||||
Self::Call(call) => call.pretty(p),
|
||||
Self::Unary(unary) => unary.pretty(p),
|
||||
Self::Binary(binary) => binary.pretty(p),
|
||||
@ -264,48 +291,6 @@ impl Pretty for ExprDict {
|
||||
/// A content expression: `{*Hello* there!}`.
|
||||
pub type ExprContent = Tree;
|
||||
|
||||
/// A literal.
|
||||
#[derive(Debug, Clone, PartialEq)]
|
||||
pub enum Lit {
|
||||
/// A identifier literal: `left`.
|
||||
Ident(Ident),
|
||||
/// The none literal: `none`.
|
||||
None,
|
||||
/// A boolean literal: `true`, `false`.
|
||||
Bool(bool),
|
||||
/// An integer literal: `120`.
|
||||
Int(i64),
|
||||
/// A floating-point literal: `1.2`, `10e-4`.
|
||||
Float(f64),
|
||||
/// A length literal: `12pt`, `3cm`.
|
||||
Length(f64, Unit),
|
||||
/// A percent literal: `50%`.
|
||||
///
|
||||
/// _Note_: `50%` is stored as `50.0` here, but as `0.5` in the
|
||||
/// corresponding [value](crate::geom::Relative).
|
||||
Percent(f64),
|
||||
/// A color literal: `#ffccee`.
|
||||
Color(RgbaColor),
|
||||
/// A string literal: `"hello!"`.
|
||||
Str(String),
|
||||
}
|
||||
|
||||
impl Pretty for Lit {
|
||||
fn pretty(&self, p: &mut Printer) {
|
||||
match self {
|
||||
Self::Ident(v) => p.push_str(&v),
|
||||
Self::None => p.push_str("none"),
|
||||
Self::Bool(v) => write!(p, "{}", v).unwrap(),
|
||||
Self::Int(v) => write!(p, "{}", v).unwrap(),
|
||||
Self::Float(v) => write!(p, "{}", v).unwrap(),
|
||||
Self::Length(v, u) => write!(p, "{}{}", v, u).unwrap(),
|
||||
Self::Percent(v) => write!(p, "{}%", v).unwrap(),
|
||||
Self::Color(v) => write!(p, "{}", v).unwrap(),
|
||||
Self::Str(s) => write!(p, "{:?}", &s).unwrap(),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::super::tests::test_pretty;
|
||||
|
||||
@ -5,24 +5,20 @@ use super::*;
|
||||
pub enum Node {
|
||||
/// Plain text.
|
||||
Text(String),
|
||||
|
||||
/// Whitespace containing less than two newlines.
|
||||
Space,
|
||||
/// A forced line break.
|
||||
Linebreak,
|
||||
/// A paragraph break.
|
||||
Parbreak,
|
||||
|
||||
/// Strong text was enabled / disabled.
|
||||
Strong,
|
||||
/// Emphasized text was enabled / disabled.
|
||||
Emph,
|
||||
|
||||
/// A section heading.
|
||||
Heading(NodeHeading),
|
||||
/// An optionally syntax-highlighted raw block.
|
||||
Raw(NodeRaw),
|
||||
|
||||
/// An expression.
|
||||
Expr(Expr),
|
||||
}
|
||||
|
||||
@ -3,13 +3,13 @@ use crate::geom::Unit;
|
||||
/// A minimal semantic entity of source code.
|
||||
#[derive(Debug, Copy, Clone, PartialEq)]
|
||||
pub enum Token<'s> {
|
||||
/// A consecutive non-markup string.
|
||||
Text(&'s str),
|
||||
/// One or more whitespace characters.
|
||||
///
|
||||
/// The contained `usize` denotes the number of newlines that were contained
|
||||
/// in the whitespace.
|
||||
Space(usize),
|
||||
/// A consecutive non-markup string.
|
||||
Text(&'s str),
|
||||
|
||||
/// A line comment with inner string contents `//<str>\n`.
|
||||
LineComment(&'s str),
|
||||
@ -20,6 +20,19 @@ pub enum Token<'s> {
|
||||
/// An end of a block comment that was not started.
|
||||
StarSlash,
|
||||
|
||||
/// A left bracket: `[`.
|
||||
LeftBracket,
|
||||
/// A right bracket: `]`.
|
||||
RightBracket,
|
||||
/// A left brace: `{`.
|
||||
LeftBrace,
|
||||
/// A right brace: `}`.
|
||||
RightBrace,
|
||||
/// A left parenthesis: `(`.
|
||||
LeftParen,
|
||||
/// A right parenthesis: `)`.
|
||||
RightParen,
|
||||
|
||||
/// A star: `*`.
|
||||
Star,
|
||||
/// An underscore: `_`.
|
||||
@ -35,19 +48,6 @@ pub enum Token<'s> {
|
||||
/// A unicode escape sequence: `\u{1F5FA}`.
|
||||
UnicodeEscape(TokenUnicodeEscape<'s>),
|
||||
|
||||
/// A left bracket: `[`.
|
||||
LeftBracket,
|
||||
/// A right bracket: `]`.
|
||||
RightBracket,
|
||||
/// A left brace: `{`.
|
||||
LeftBrace,
|
||||
/// A right brace: `}`.
|
||||
RightBrace,
|
||||
/// A left parenthesis: `(`.
|
||||
LeftParen,
|
||||
/// A right parenthesis: `)`.
|
||||
RightParen,
|
||||
|
||||
/// A colon: `:`.
|
||||
Colon,
|
||||
/// A comma: `,`.
|
||||
@ -76,7 +76,7 @@ pub enum Token<'s> {
|
||||
/// A percentage: `50%`.
|
||||
///
|
||||
/// _Note_: `50%` is stored as `50.0` here, as in the corresponding
|
||||
/// [literal](super::Lit::Percent).
|
||||
/// [literal](super::Expr::Percent).
|
||||
Percent(f64),
|
||||
/// A hex value: `#20d82a`.
|
||||
Hex(&'s str),
|
||||
@ -124,13 +124,20 @@ impl<'s> Token<'s> {
|
||||
/// The natural-language name of this token for use in error messages.
|
||||
pub fn name(self) -> &'static str {
|
||||
match self {
|
||||
Self::Space(_) => "space",
|
||||
Self::Text(_) => "text",
|
||||
Self::Space(_) => "space",
|
||||
|
||||
Self::LineComment(_) => "line comment",
|
||||
Self::BlockComment(_) => "block comment",
|
||||
Self::StarSlash => "end of block comment",
|
||||
|
||||
Self::LeftBracket => "opening bracket",
|
||||
Self::RightBracket => "closing bracket",
|
||||
Self::LeftBrace => "opening brace",
|
||||
Self::RightBrace => "closing brace",
|
||||
Self::LeftParen => "opening paren",
|
||||
Self::RightParen => "closing paren",
|
||||
|
||||
Self::Star => "star",
|
||||
Self::Underscore => "underscore",
|
||||
Self::Backslash => "backslash",
|
||||
@ -139,13 +146,6 @@ impl<'s> Token<'s> {
|
||||
Self::Raw { .. } => "raw block",
|
||||
Self::UnicodeEscape { .. } => "unicode escape sequence",
|
||||
|
||||
Self::LeftBracket => "opening bracket",
|
||||
Self::RightBracket => "closing bracket",
|
||||
Self::LeftBrace => "opening brace",
|
||||
Self::RightBrace => "closing brace",
|
||||
Self::LeftParen => "opening paren",
|
||||
Self::RightParen => "closing paren",
|
||||
|
||||
Self::Colon => "colon",
|
||||
Self::Comma => "comma",
|
||||
Self::Pipe => "pipe",
|
||||
@ -153,8 +153,8 @@ impl<'s> Token<'s> {
|
||||
Self::Hyphen => "minus sign",
|
||||
Self::Slash => "slash",
|
||||
|
||||
Self::Ident(_) => "identifier",
|
||||
Self::None => "none",
|
||||
Self::Ident(_) => "identifier",
|
||||
Self::Bool(_) => "bool",
|
||||
Self::Int(_) => "integer",
|
||||
Self::Float(_) => "float",
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user