From 9bb350e99370009a18df3c3b8f512d2c11168978 Mon Sep 17 00:00:00 2001
From: Bad Diode <bd@badd10de.dev>
Date: Fri, 22 Oct 2021 15:35:28 +0200
Subject: Add visitor to compiler

---
 src/bytecode/compiler.h | 19 +++++++++++++++++++
 src/bytecode/errors.h   |  1 +
 2 files changed, 20 insertions(+)

(limited to 'src/bytecode')

diff --git a/src/bytecode/compiler.h b/src/bytecode/compiler.h
index 283d7a6..6991a86 100644
--- a/src/bytecode/compiler.h
+++ b/src/bytecode/compiler.h
@@ -16,10 +16,29 @@ bool has_next_token(const Visitor *visitor);
 
 Chunk * compile(Token *tokens);
 
+Token
+peek_token(const Visitor *visitor) {
+    return visitor->tokens[visitor->current];
+}
+
+Token
+next_token(Visitor *visitor) {
+    return visitor->tokens[visitor->current++];
+}
+
+bool
+has_next_token(const Visitor *visitor) {
+    return visitor->current < array_size(visitor->tokens);
+}
+
 Chunk *
 compile(Token *tokens) {
     Chunk *chunk = NULL;
     chunk = chunk_init();
+    // error_push((Error){
+    //     .type = ERR_TYPE_COMPILER,
+    //     .value = ERR_UNKNOWN,
+    // });
     size_t const_a = add_constant(chunk, 7);
     add_code(chunk, OP_CONSTANT, 1, 1);
     add_code(chunk, const_a, 1, 1);
diff --git a/src/bytecode/errors.h b/src/bytecode/errors.h
index c54d1f4..7b3446e 100644
--- a/src/bytecode/errors.h
+++ b/src/bytecode/errors.h
@@ -5,6 +5,7 @@ typedef enum ErrorType {
     ERR_TYPE_OK,
     ERR_TYPE_LEXER,
     ERR_TYPE_PARSER,
+    ERR_TYPE_COMPILER,
     ERR_TYPE_RUNTIME,
 } ErrorType;
 
-- 
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