Reworking structures for easy testing, read more

I was reworking bits of the containers to address issue #131, then
realized that the table's tests depended on a specific initial size. I'm
too buggered to finish it tonight, so I'll fix it tomorrow.
This commit is contained in:
2024-10-18 20:48:33 +11:00
parent c3ee92fcef
commit 98ea0e5884
11 changed files with 115 additions and 57 deletions

View File

@@ -4,18 +4,15 @@
#include <stdio.h>
#include <stdlib.h>
//a good chunk of space - 'count' actually tracks the number of values
#define MIN_CAPACITY 64
Toy_Stack* Toy_allocateStack() {
Toy_Stack* stack = malloc(MIN_CAPACITY * sizeof(Toy_Value) + sizeof(Toy_Stack));
Toy_Stack* stack = malloc(TOY_STACK_INITIAL_CAPACITY * sizeof(Toy_Value) + sizeof(Toy_Stack));
if (stack == NULL) {
fprintf(stderr, TOY_CC_ERROR "ERROR: Failed to allocate a 'Toy_Stack' of %d capacity (%d space in memory)\n" TOY_CC_RESET, MIN_CAPACITY, (int)(MIN_CAPACITY * sizeof(Toy_Value) + sizeof(Toy_Stack)));
fprintf(stderr, TOY_CC_ERROR "ERROR: Failed to allocate a 'Toy_Stack' of %d capacity (%d space in memory)\n" TOY_CC_RESET, TOY_STACK_INITIAL_CAPACITY, (int)(TOY_STACK_INITIAL_CAPACITY * sizeof(Toy_Value) + sizeof(Toy_Stack)));
exit(1);
}
stack->capacity = MIN_CAPACITY;
stack->capacity = TOY_STACK_INITIAL_CAPACITY;
stack->count = 0;
return stack;
@@ -30,8 +27,8 @@ void Toy_freeStack(Toy_Stack* stack) {
}
void Toy_pushStack(Toy_Stack** stackHandle, Toy_Value value) {
//don't go overboard - limit to 1mb of capacity used
if ((*stackHandle)->count >= 1024 * 1024 / sizeof(Toy_Value)) {
//don't go overboard
if ((*stackHandle)->count >= TOY_STACK_OVERFLOW) {
fprintf(stderr, TOY_CC_ERROR "ERROR: Stack overflow\n" TOY_CC_RESET);
exit(-1);
}
@@ -39,7 +36,7 @@ void Toy_pushStack(Toy_Stack** stackHandle, Toy_Value value) {
//expand the capacity if needed
if ((*stackHandle)->count + 1 > (*stackHandle)->capacity) {
while ((*stackHandle)->count + 1 > (*stackHandle)->capacity) {
(*stackHandle)->capacity = (*stackHandle)->capacity < MIN_CAPACITY ? MIN_CAPACITY : (*stackHandle)->capacity * 2;
(*stackHandle)->capacity = (*stackHandle)->capacity < TOY_STACK_INITIAL_CAPACITY ? TOY_STACK_INITIAL_CAPACITY : (*stackHandle)->capacity * TOY_STACK_EXPANSION_RATE;
}
unsigned int newCapacity = (*stackHandle)->capacity;
@@ -72,7 +69,7 @@ Toy_Value Toy_popStack(Toy_Stack** stackHandle) {
}
//shrink if possible
if ((*stackHandle)->count > MIN_CAPACITY && (*stackHandle)->count < (*stackHandle)->capacity / 4) {
if ((*stackHandle)->count > TOY_STACK_INITIAL_CAPACITY && (*stackHandle)->count < (*stackHandle)->capacity * TOY_STACK_CONTRACTION_RATE) {
(*stackHandle)->capacity /= 2;
unsigned int newCapacity = (*stackHandle)->capacity;