st/lama_byterun
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ProgramSnail 2024-11-12 21:08:41 +03:00
parent 1df2624c25
commit 233fa95e14
6 changed files with 37 additions and 7 deletions
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13
byterun/src/interpreter.c
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@ -24,9 +24,9 @@ static inline char *ip_read_string(char **ip, bytefile *bf) {
const size_t BUFFER_SIZE = 1000;
void run(bytefile *bf, int argc, char **argv) {
void *stack[STACK_SIZE];
size_t stack[STACK_SIZE];
void *buffer[BUFFER_SIZE];
construct_state(bf, &s, stack);
construct_state(bf, &s, (void**)stack);
#ifdef DEBUG_VERSION
printf("--- interpreter run ---\n");
@ -74,6 +74,15 @@ void run(bytefile *bf, int argc, char **argv) {
// char *before_op_ip = s.ip; // save to set s.prev_ip
bool call_happened = false;
if (s.ip >= bf->code_ptr + bf->code_size) {
s_failure(&s, "instruction pointer is out of range (>= size)");
}
if (s.ip < bf->code_ptr) {
s_failure(&s, "instruction pointer is out of range (< 0)");
}
s.instr_ip = s.ip;
char x = ip_read_byte(&s.ip), h = (x & 0xF0) >> 4, l = x & 0x0F;
#ifdef DEBUG_VERSION