1 files changed, 13 insertions, 0 deletions

diff --git a/src/main.c b/src/main.c
index c52ec74..60122b9 100644
--- a/src/main.c
+++ b/src/main.c
@@ -194,6 +194,19 @@ process_file(Str path) {
     Instruction halt = (Instruction){.op = OP_HALT, .dst = res_reg};
     array_push(chunk.code, halt, &bytecode_arena);
 
+    if (chunk.const_idx >= 256) {
+        eprintln("too many constants on chunk %s", chunk.id);
+        exit(EXIT_FAILURE);
+    }
+    if (chunk.str_idx >= 256) {
+        eprintln("too many strings on chunk %s", chunk.id);
+        exit(EXIT_FAILURE);
+    }
+    if (chunk.reg_idx >= 256) {
+        eprintln("too many registers used on chunk %s", chunk.id);
+        exit(EXIT_FAILURE);
+    }
+
     disassemble_chunk(chunk);
 
     // Run bytecode on VM.