Add a grid layouter

3 files changed, 7 insertions, 0 deletions

diff --git a/src/syntax/expr.rs b/src/syntax/expr.rs
index 4dac9c59..17e4a196 100644
--- a/src/syntax/expr.rs
+++ b/src/syntax/expr.rs
@@ -9,6 +9,8 @@ use crate::geom::{AngularUnit, LengthUnit};
 pub enum Expr {
     /// The none literal: `none`.
     None(Span),
+    /// The `auto` constant.
+    Auto(Span),
     /// A boolean literal: `true`, `false`.
     Bool(Span, bool),
     /// An integer literal: `120`.
@@ -69,6 +71,7 @@ impl Expr {
     pub fn span(&self) -> Span {
         match *self {
             Self::None(span) => span,
+            Self::Auto(span) => span,
             Self::Bool(span, _) => span,
             Self::Int(span, _) => span,
             Self::Float(span, _) => span,
diff --git a/src/syntax/token.rs b/src/syntax/token.rs
index 56ab3dd6..26c01fbb 100644
--- a/src/syntax/token.rs
+++ b/src/syntax/token.rs
@@ -100,6 +100,8 @@ pub enum Token<'s> {
     Include,
     /// The `using` keyword.
     Using,
+    /// The `auto` keyword.
+    Auto,
     /// One or more whitespace characters.
     ///
     /// The contained `usize` denotes the number of newlines that were contained
@@ -248,6 +250,7 @@ impl<'s> Token<'s> {
             Self::Import => "keyword `import`",
             Self::Include => "keyword `include`",
             Self::Using => "keyword `using`",
+            Self::Auto => "keyword `auto`",
             Self::Space(_) => "space",
             Self::Text(_) => "text",
             Self::UnicodeEscape(_) => "unicode escape sequence",
diff --git a/src/syntax/visit.rs b/src/syntax/visit.rs
index ba7555f2..97e8d4ed 100644
--- a/src/syntax/visit.rs
+++ b/src/syntax/visit.rs
@@ -74,6 +74,7 @@ visit! {
     fn visit_expr(v, node: &Expr) {
         match node {
             Expr::None(_) => {}
+            Expr::Auto(_) => {}
             Expr::Bool(_, _) => {}
             Expr::Int(_, _) => {}
             Expr::Float(_, _) => {}