From 9b8f937cbd26df1d47e5f5aa37b5c076eb51ecae Mon Sep 17 00:00:00 2001
From: Thomas Voss <mail@thomasvoss.com>
Date: Tue, 11 Jun 2024 21:24:50 +0200
Subject: Assert that we don’t have too many tokens
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---
 src/lexer.h  | 5 +++++
 src/parser.h | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/src/lexer.h b/src/lexer.h
index 636237f..bb780ee 100644
--- a/src/lexer.h
+++ b/src/lexer.h
@@ -1,6 +1,7 @@
 #ifndef ORYX_LEXER_H
 #define ORYX_LEXER_H
 
+#include <assert.h>
 #include <stddef.h>
 #include <stdint.h>
 
@@ -35,9 +36,13 @@ enum {
 	   token T to the doubled equivalent by doing T += 193. */
 	LEXLANGL_DBL = UINT8_MAX - 2, /* << */
 	LEXRANGL_DBL = UINT8_MAX - 0, /* >> */
+
+	_LEX_LAST_ENT,
 };
 
 typedef uint8_t lexeme_kind_t_;
+static_assert(_LEX_LAST_ENT - 1 <= (lexeme_kind_t_)-1,
+              "Too many lexer tokens to fix in LEXEME_KIND_T_");
 
 #define LEXEMES_BLKSZ (sizeof(lexeme_kind_t_) + sizeof(struct strview))
 
diff --git a/src/parser.h b/src/parser.h
index 4fcdacd..ee6b324 100644
--- a/src/parser.h
+++ b/src/parser.h
@@ -1,6 +1,7 @@
 #ifndef ORYX_PARSER_H
 #define ORYX_PARSER_H
 
+#include <assert.h>
 #include <stdbool.h>
 #include <stddef.h>
 #include <stdint.h>
@@ -44,9 +45,13 @@ enum {
 	/* Binary sub
 	   ‘lhs - rhs’ */
 	ASTBINSUB = '-',
+
+	_AST_LAST_ENT = 256,
 };
 
 typedef uint8_t ast_kind_t_;
+static_assert(_AST_LAST_ENT - 1 <= (ast_kind_t_)-1,
+              "Too many AST tokens to fix in AST_KIND_T_");
 
 #define AST_EMPTY     ((idx_t_)-1)
 #define AST_SOA_BLKSZ (sizeof(ast_kind_t_) + sizeof(idx_t_) * 3)
-- 
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