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#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <string.h>
// Vector utils
#define VECT_MAX_GROW 100
#define VECT_MIN_SIZE 4
typedef struct {
int _el_sz, count, size;
void *data;
} Vector;
Vector vect_init(size_t item_size) {
Vector out = {0};
out._el_sz = item_size;
out.size = VECT_MIN_SIZE;
out.count = 0;
out.data = malloc(out.size * out._el_sz);
return out;
}
void _vect_grow(Vector *v) {
if (v->size / 2 > VECT_MAX_GROW) {
v->size += VECT_MAX_GROW;
} else {
v->size += v->size / 2;
}
v->data = realloc(v->data, v->size * v->_el_sz);
}
void _vect_shrink(Vector *v) {
if (v->size / 2 > VECT_MIN_SIZE) {
v->size = v->size / 2;
v->data = realloc(v->data, v->size * v->_el_sz);
}
}
bool vect_remove(Vector *v, size_t index) {
if (index >= v->count) {
return false;
}
char *remove = v->data + (index * v->_el_sz);
char *override = v->data + (index + 1) * v->_el_sz;
for(int i = 0; i < (v->count - 1) * v->_el_sz; i++) {
remove[i] = override[i];
}
v->count -= 1;
if (v->count < v->size / 4) {
_vect_shrink(v);
}
return true;
}
void vect_pop(Vector *v) {
vect_remove(v, v->count - 1);
}
bool vect_insert(Vector *v, size_t index, void *el) {
if (index > v->count) {
return false;
}
char *new_spot = v->data + (v->count + 1) * v->_el_sz;
char *old_spot = v->data + v->count * v->_el_sz;
for (int i = 0; i > (index * v->_el_sz); i--) {
new_spot[i] = old_spot[i];
}
for (int i = 0; i < v->_el_sz; i++) {
old_spot[i] = ((char *)el)[i];
}
v->count += 1;
if (v->count == v->size - 1) {
_vect_grow(v);
}
return true;
}
void vect_push(Vector *v, void *el) {
vect_insert(v, v->count, el);
}
void *vect_get(Vector *v, size_t index) {
if (index >= v->count) {
return NULL;
}
return v->data + (v->_el_sz * index);
}
Vector vect_clone(Vector *v) {
Vector out = {0};
out._el_sz = v->_el_sz;
out.count = 0;
out.size = v->size;
out.data = malloc(out.size * out._el_sz);
char *former = v->data;
char *latter = out.data;
for(int i = 0; i < out.count * out._el_sz; i++) {
latter[i] = former[i];
}
return out;
}
Vector vect_from_string(char *s) {
Vector out = vect_init(1);
size_t i = 0;
while(s[i] != 0) {
vect_push(&out, s + i);
}
return out;
}
char *vect_as_string(Vector *v) {
((char*)v->data)[v->count] = 0;
return v->data;
}
void vect_end(Vector *v) {
free(v->data);
}
// Artifacts (vect of strings)
void help() {
printf("\n");
printf("Usage:\n");
printf("\tctc - The TNSL compiler (written in c)\n\n");
printf("\tctc [file in] - compile the given file, writing output assembly in out.asm\n");
printf("\tctc [file in] [file out] - same as before, but write the output assembly to the given filename\n");
printf("\t -h - print this output message\n");
printf("\n");
}
int main(int argc, char ** argv) {
if (argc < 2 || strcmp(argv[1], "-h") == 0) {
help();
return 1;
}
for (int i = 0; i < argc; i++) {
printf("%s\n", argv[i]);
}
return 0;
}
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