Split up and expand ast

src/ast/call.rs

@@ -0,0 +1,50 @@
+use crate::span::{HasSpan, Span};
+
+use super::basic::Space;
+use super::expr::Expr;
+use super::table_constr::TableConstr;
+
+#[derive(Debug, Clone)]
+pub enum Call {
+    /// `a(b)`
+    ///
+    /// Structure: `expr s0 ( s1 arg s2)
+    Arg {
+        expr: Box<Expr>,
+        s0: Space,
+        s1: Space,
+        arg: Box<Expr>,
+        s2: Space,
+        span: Span,
+    },
+
+    /// `a()`
+    ///
+    /// Structure: `expr s0 ( s1 )`
+    NoArg {
+        expr: Box<Expr>,
+        s0: Space,
+        s1: Space,
+        span: Span,
+    },
+
+    /// `a{..}`
+    ///
+    /// Structure: `expr s0 constr`
+    Constr {
+        expr: Box<Expr>,
+        s0: Space,
+        constr: TableConstr,
+        span: Span,
+    },
+}
+
+impl HasSpan for Call {
+    fn span(&self) -> Span {
+        match self {
+            Call::Arg { span, .. } => *span,
+            Call::NoArg { span, .. } => *span,
+            Call::Constr { span, .. } => *span,
+        }
+    }
+}