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Some variable refactoring in vm.h and cleanups.

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This commit is contained in:
Johannes Findeisen 2025-09-16 11:59:48 +02:00
commit c641599366
9 changed files with 32 additions and 43 deletions
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29
src/vm.h
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@ -7,25 +7,16 @@
* https://opensource.org/license/isc-license-txt
*/
/**
* This file is part of the Fun programming language.
* https://hanez.org/project/fun/
*
* Copyright 2025 Johannes Findeisen <you@hanez.org>
* Licensed under the terms of the ISC license.
* https://opensource.org/license/isc-license-txt
*/
#ifndef FUN_VM_H
#define FUN_VM_H
#include "bytecode.h"
#define VM_STACK_SIZE 1024
#define VM_MAX_FRAMES 128
#define VM_MAX_GLOBALS 128
#define VM_OUTPUT_SIZE 1024
#define FRAME_MAX_LOCALS 64
#define MAX_FRAMES 128
#define MAX_FRAME_LOCALS 64
#define MAX_GLOBALS 128
#define OUTPUT_SIZE 1024
#define STACK_SIZE 1024
static const char *opcode_names[] = {
"NOP","LOAD_CONST","LOAD_LOCAL","STORE_LOCAL",
@ -48,19 +39,19 @@ static const char *opcode_names[] = {
typedef struct {
Bytecode *fn;
int ip;
Value locals[FRAME_MAX_LOCALS];
Value locals[MAX_FRAME_LOCALS];
} Frame;
typedef struct {
Value stack[VM_STACK_SIZE];
Value stack[STACK_SIZE];
int sp;
Frame frames[VM_MAX_FRAMES];
Frame frames[MAX_FRAMES];
int fp; // frame pointer, -1 when no frame
Value globals[VM_MAX_GLOBALS];
Value globals[MAX_GLOBALS];
Value output[VM_OUTPUT_SIZE]; // store printed values
Value output[OUTPUT_SIZE]; // store printed values
int output_count;
long long instr_count; // executed instructions in the last vm_run