From d12ad4f60d425e673da856e7b3e7fbb525f157c3 Mon Sep 17 00:00:00 2001
From: Kayne Ruse <kayneruse@gmail.com>
Date: Sun, 4 Sep 2022 08:51:19 +0100
Subject: [PATCH] Fixed codeStart issue

---
 scripts/small.toy    | 9 +++------
 source/interpreter.c | 6 +++++-
 source/interpreter.h | 2 +-
 3 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/scripts/small.toy b/scripts/small.toy
index 0c369df..6c156e2 100644
--- a/scripts/small.toy
+++ b/scripts/small.toy
@@ -1,8 +1,5 @@
 
-
-fn panic() {
-	assert false, "This should only be seen once";
+for (var i = 0; i < 40; i++) {
+	print i;
+	print (string)i + " printed";
 }
-
-panic();
-panic();
diff --git a/source/interpreter.c b/source/interpreter.c
index 11727b8..cc8770f 100644
--- a/source/interpreter.c
+++ b/source/interpreter.c
@@ -441,6 +441,7 @@ void initInterpreter(Interpreter* interpreter) {
 	interpreter->bytecode = NULL;
 	interpreter->length = 0;
 	interpreter->count = 0;
+	interpreter->codeStart = -1;
 
 	initLiteralArray(&interpreter->stack);
 
@@ -1405,6 +1406,7 @@ static bool execFnCall(Interpreter* interpreter) {
 	inner.bytecode = AS_FUNCTION(func).bytecode;
 	inner.length = func.as.function.length;
 	inner.count = 0;
+	inner.codeStart = -1;
 	inner.panic = false;
 	initLiteralArray(&inner.stack);
 	setInterpreterPrint(&inner, interpreter->printOutput);
@@ -1614,7 +1616,9 @@ static bool execFnReturn(Interpreter* interpreter) {
 //the heart of toy
 static void execInterpreter(Interpreter* interpreter) {
 	//set the starting point for the interpreter
-	interpreter->codeStart = interpreter->count;
+	if (interpreter->codeStart == -1) {
+		interpreter->codeStart = interpreter->count;
+	}
 
 	unsigned char opcode = readByte(interpreter->bytecode, &interpreter->count);
 
diff --git a/source/interpreter.h b/source/interpreter.h
index 0eb82f5..e59e3af 100644
--- a/source/interpreter.h
+++ b/source/interpreter.h
@@ -15,7 +15,7 @@ typedef struct Interpreter {
 	unsigned char* bytecode;
 	int length;
 	int count;
-	int codeStart; //for jumps
+	int codeStart; //BUGFIX: for jumps, must be initialized to -1
 	LiteralArray literalCache; //read-only - built from the bytecode, refreshed each time new bytecode is provided
 
 	//operation