Add line/col information for debugging purposes.

1 files changed, 14 insertions, 1 deletions

diff --git a/src/bytecode/chunk.h b/src/bytecode/chunk.h
index 29dd99d..6157057 100644
--- a/src/bytecode/chunk.h
+++ b/src/bytecode/chunk.h
@@ -4,14 +4,27 @@
 #include "objects.h"
 #include "darray.h"
 
+typedef struct LineInfo {
+    size_t line;
+    size_t col;
+} LineInfo;
+
 typedef struct Chunk {
     u8 *code;
     Object *constants;
+    LineInfo *lines;
 } Chunk;
 
-
+void add_code(Chunk chunk, u8 byte, size_t line, size_t col);
 size_t add_constant(Chunk chunk, Object obj);
 
+void
+add_code(Chunk chunk, u8 byte, size_t line, size_t col) {
+    array_push(chunk.code, byte);
+    LineInfo info = (LineInfo){line, col};
+    array_push(chunk.lines, info);
+}
+
 size_t
 add_constant(Chunk chunk, Object obj) {
     size_t pos = array_size(chunk.constants);