Ignoring literals.

src/parse.zig

@@ -218,7 +218,7 @@ const Parser = struct {
                 },
 
                 else => {
-                    std.debug.print("token: {}\n", .{p.token_ids[token]});
+                    p.say("unexpected token: {}\n", .{p.token_ids[token]});
                     continue;
                 },
             }
@@ -297,6 +297,14 @@ const Parser = struct {
             // p.say("within a node, token: {}\n", .{p.giveTokenContent(token)});
             switch (p.token_ids[token]) {
 
+                .Keyword_null,
+                .StringLiteral,
+                .FloatLiteral,
+                .IntegerLiteral => {
+                    p.say("reading (and ignoring) a literal: {}\n", .{p.giveTokenContent(token)});
+                    continue;
+                },
+
                 .Identifier => {
                     const following = p.nextToken();
                     switch (p.token_ids[following]) {