sdl phase 1

src/ast.zig

@@ -63,6 +63,7 @@ pub const Node = struct {
         builtin_expr: void,
         foreign_expr: void,
         library_decl: LibraryDecl,
+        function_type_expr: FunctionTypeExpr,
 
         pub fn declName(self: Data) ?[]const u8 {
             return switch (self) {
@@ -359,3 +360,8 @@ pub const NamespaceDecl = struct {
 pub const LibraryDecl = struct {
     lib_name: []const u8,
 };
+
+pub const FunctionTypeExpr = struct {
+    param_types: []const *Node,
+    return_type: ?*Node, // null = void return
+};