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Fixed buffer overflow, bytecode is WIP

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This commit is contained in:
Kayne Ruse
2024-09-19 19:06:49 +10:00
parent 083ee950dd
commit e35af3d84b
3 changed files with 11 additions and 5 deletions
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5
source/toy_bytecode.c
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@@ -1,13 +1,14 @@
#include "toy_bytecode.h"
#include "toy_memory.h"
#include "toy_routine.h"
#include <stdio.h>
#include <string.h>
//utils
static void expand(Toy_Bytecode* bc, int amount) {
if (bc->count + amount > bc->capacity) {
while (bc->count + amount > bc->capacity) {
int oldCapacity = bc->capacity;
bc->capacity = TOY_GROW_CAPACITY(oldCapacity);
@@ -21,7 +22,7 @@ static void emitByte(Toy_Bytecode* bc, unsigned char byte) {
}
static void writeModule(Toy_Bytecode* bc, Toy_Ast* ast) {
//
//TODO: routines
}
//bytecode

6
source/toy_routine.c
View File

@@ -6,8 +6,8 @@
#include <string.h>
//utils
static void expand(void** handle, int* capacity, int* count) {
if ((*count) +1 > (*capacity)) {
static void expand(void** handle, int* capacity, int* count, int amount) {
while ((*count) + amount > (*capacity)) {
int oldCapacity = (*capacity);
(*capacity) = TOY_GROW_CAPACITY(oldCapacity);
@@ -16,7 +16,7 @@ static void expand(void** handle, int* capacity, int* count) {
}
static void emitByte(void** handle, int* capacity, int* count, unsigned char byte) {
expand(handle, capacity, count);
expand(handle, capacity, count, 1);
((unsigned char*)(*handle))[(*count)++] = byte;
}