Implement ruleset_t::add_token

include/fractal.hpp

@@ -30,7 +30,7 @@ enum class token_type_e {
 };
 
 struct token_t {
-       token_type_e m_token = token_type_e::empty;
+       token_type_e m_type = token_type_e::empty;
        mtl::fixed m_value;
 };
 
@@ -111,7 +111,6 @@ public:
 	 *
 	 * @ret @c token_id_t of the newly added token, local to this ruleset
 	 * 
-	 * @exception @c mtl::invalid_argument if the given token type is invalid
 	 * @exception @c mtl::length_error if the maximum number of tokens is reached
 	 */
 	token_id_t add_token(token_type_e type, mtl::fixed value = 0);

src/fractal.cpp

@@ -8,6 +8,21 @@ namespace log = mtl::log;
 
 namespace fractal {
 
+bool ruleset_t::tokens_full() const {
+	return m_tokens.full();
+}
+
+token_id_t ruleset_t::add_token(token_type_e type, mtl::fixed value) {
+	if (m_tokens.full()) {
+		throw mtl::length_error();
+	}
+
+	token_t tok { .m_type = type, .m_value = value };
+
+	m_tokens.push_back(tok);
+	return m_tokens.size() - 1;
+}
+
 #if 0
 token_id_t generator_t::add_token(token_type_e type, mtl::fixed value) {
 	log::debug << "Adding token with type " << (int)type << endl;