From 8c3037662ba572a6935170dbd4cb8cc8a3636417 Mon Sep 17 00:00:00 2001
From: ubq323 <ubq323@ubq323.website>
Date: Sat, 22 Jun 2024 18:22:24 +0100
Subject: compilation of functions, and some parts of interpreting them

---
 vm.h | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

(limited to 'vm.h')

diff --git a/vm.h b/vm.h
index c75df82..74fe506 100644
--- a/vm.h
+++ b/vm.h
@@ -10,12 +10,21 @@ typedef struct _thread Thread;
 #include "val.h"
 #include "com.h"
 
-#define STACKSIZE 128
+typedef struct {
+	size_t ip;
+	Chunk *ch;
+
+} StackFrame;
+
+#define MAXDEPTH  64
+#define STACKSIZE 256*MAXDEPTH
 typedef struct _thread {
 	Chunk *ch;
 	size_t ip;
 	Val stack[STACKSIZE];
 	size_t sp;
+	StackFrame rstack[MAXDEPTH];
+	size_t rsp;
 } Thread;
 Thread thread_new(State *S);
 
@@ -34,6 +43,7 @@ typedef enum {
 	OP_EQU,
 	OP_CMP,
 
+	OP_HALT,
 
 	OP_DROP,
 
@@ -47,6 +57,8 @@ typedef enum {
 	OP_0BRANCH,
 	OP_SKIP,
 	OP_REDO,
+
+	OP_CALL,
 } Op;
 
 int runvm(State *S);
-- 
cgit v1.2.3