Prepare compilation pipeline

1 files changed, 34 insertions, 0 deletions

diff --git a/src/bytecode/compiler.h b/src/bytecode/compiler.h
new file mode 100644
index 0000000..283d7a6
--- /dev/null
+++ b/src/bytecode/compiler.h
@@ -0,0 +1,34 @@
+#ifndef BDL_COMPILER_H
+#define BDL_COMPILER_H
+
+#include "chunk.h"
+#include "lexer.h"
+
+typedef struct Visitor {
+    Token *tokens;
+    size_t current;
+} Visitor;
+
+// Mimics the functionality in the Scanner functions, but for entire tokens.
+Token next_token(Visitor *visitor);
+Token peek_token(const Visitor *visitor);
+bool has_next_token(const Visitor *visitor);
+
+Chunk * compile(Token *tokens);
+
+Chunk *
+compile(Token *tokens) {
+    Chunk *chunk = NULL;
+    chunk = chunk_init();
+    size_t const_a = add_constant(chunk, 7);
+    add_code(chunk, OP_CONSTANT, 1, 1);
+    add_code(chunk, const_a, 1, 1);
+    size_t const_b = add_constant(chunk, 2);
+    add_code(chunk, OP_CONSTANT, 1, 2);
+    add_code(chunk, const_b, 1, 2);
+    add_code(chunk, OP_MOD, 1, 3);
+    add_code(chunk, OP_RETURN, 1, 1);
+    return chunk;
+}
+
+#endif // BDL_COMPILER_H