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Lobo 2026-01-20 11:05:59 -03:00
parent ce345f2440
commit 1185690ce6
24 changed files with 597 additions and 86 deletions
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27
src/vm.h
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@ -3,22 +3,40 @@
#include "common.h"
#include "arena.h"
#include "chunk.h"
#include "dictionary.h"
#include "gc.h"
#include "object.h"
enum {
OP_NOP = 0,
OP_CONST, // Push constant to stack
OP_CONST, // Push constant to stack
OP_NIL, // Push constant to stack
OP_DROP,
OP_DUP,
OP_SWAP,
OP_TOR, // Push from stack to retain stack
OP_FROMR, // Push from retain stack to stack
OP_JUMP, // Relative jump
OP_JUMP_IF_NIL, // Relative jump if top-of-stack is nil
OP_CALL,
OP_DOWORD, // Call word from dictionary by name hash
OP_APPLY,
OP_RETURN,
OP_CHOOSE,
OP_ADD,
OP_SUB,
OP_MUL,
OP_DIV,
OP_MOD,
OP_EQ,
OP_NEQ,
OP_LT,
OP_GT,
OP_LTE,
OP_GTE,
OP_PPRINT,
};
#define STACK_SIZE 256
@ -30,10 +48,13 @@ typedef struct Fr {
typedef struct Vm {
Gc gc;
O stack[256], *sp;
Fr rstack[256], *rsp;
O stack[STACK_SIZE], *sp;
O rtstack[STACK_SIZE], *rtsp;
Fr rstack[STACK_SIZE], *rsp; // Return stack
U8 *ip;
Bc *chunk;
Dt *dictionary;
Ar arena;
} Vm;
V vm_init(Vm *);