fix unit tests

1 files changed, 17 insertions, 11 deletions

diff --git a/src/recognizer.zig b/src/recognizer.zig
index 696a80a..a6fe721 100644
--- a/src/recognizer.zig
+++ b/src/recognizer.zig
@@ -55,7 +55,7 @@ const State = struct {
 		const rule = grammar.non_terminal_by_id(self.id).rules()[self.rule_index];
 		std.debug.print("{*} state (", .{ self });
 
-		for (rule, 0..) |char, index| {
+		for (rule.items, 0..) |char, index| {
 			if (index == self.inner_position) {
 				std.debug.print("○", .{});
 			}
@@ -63,7 +63,7 @@ const State = struct {
 			std.debug.print("{}", .{char});
 		}
 
-		if (rule.len == self.inner_position) {
+		if (rule.items.len == self.inner_position) {
 			std.debug.print("○", .{});
 		}
 		std.debug.print(")\n", .{});
@@ -72,25 +72,31 @@ const State = struct {
 
 pub fn reaches_end_of_entry(grammar: *Grammar, node: *gss.Node(State)) bool {
 	const rule = grammar.non_terminal_by_id(node.state.id).rules()[node.state.rule_index];
-	if (node.state.is_at_end_of_rule(rule)) {
-		for (node.parents.items) |parent| {
-			if (reaches_end_of_entry(grammar, parent)) {
-				return true;
-			}
-		}
 
-		return node.is_toplevel;
+	if (node.parents.items.len == 0) {
+		return true;
 	}
 
 	for (rule.items[node.state.inner_position..]) |character| {
 		switch (character) {
 			.terminal => return false,
-			.non_terminal => |n| return grammar.non_terminal_by_id(n).follows.is_set(Character.END),
+			.non_terminal => |n| {
+				if (!grammar.non_terminal_by_id(n).first.is_set(Character.EPSILON)) {
+					return false;
+				}
+			},
 			else => {}
 		}
 	}
 
-	return grammar.non_terminal_by_id(node.state.id).follows.is_set(Character.END);
+	for (node.parents.items) |parent| {
+		parent.state = parent.state.next();
+		if (reaches_end_of_entry(grammar, parent)) {
+			return true;
+		}
+	}
+
+	return false;
 }
 
 pub fn check(grammar: *Grammar, input: []const u8, inner_allocator: std.mem.Allocator) !bool {