Add VM structure and fix AdressSanitizer bugs

1 files changed, 27 insertions, 8 deletions

diff --git a/src/bytecode/chunk.h b/src/bytecode/chunk.h
index 6157057..e3c7383 100644
--- a/src/bytecode/chunk.h
+++ b/src/bytecode/chunk.h
@@ -15,20 +15,39 @@ typedef struct Chunk {
     LineInfo *lines;
 } Chunk;
 
-void add_code(Chunk chunk, u8 byte, size_t line, size_t col);
-size_t add_constant(Chunk chunk, Object obj);
+Chunk * chunk_init(void);
+void add_code(Chunk *chunk, u8 byte, size_t line, size_t col);
+size_t add_constant(Chunk *chunk, Object obj);
+void chunk_free(Chunk *chunk);
+
+Chunk *
+chunk_init(void) {
+    Chunk *chunk = malloc(sizeof(Chunk));
+    array_init(chunk->code, 0);
+    array_init(chunk->constants, 0);
+    array_init(chunk->lines, 0);
+    return chunk;
+}
+
+void
+chunk_free(Chunk *chunk) {
+    array_free(chunk->code);
+    array_free(chunk->constants);
+    array_free(chunk->lines);
+    free(chunk);
+}
 
 void
-add_code(Chunk chunk, u8 byte, size_t line, size_t col) {
-    array_push(chunk.code, byte);
+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);
+    array_push(chunk->lines, info);
 }
 
 size_t
-add_constant(Chunk chunk, Object obj) {
-    size_t pos = array_size(chunk.constants);
-    array_push(chunk.constants, obj);
+add_constant(Chunk *chunk, Object obj) {
+    size_t pos = array_size(chunk->constants);
+    array_push(chunk->constants, obj);
     return pos;
 }