use hashmap in constants buffer to speed up translation time with large files

src/hashmap/hashmap.c

@@ -0,0 +1,130 @@
+#include "hashmap.h"
+
+#include <stddef.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdlib.h>
+
+
+struct hashmap *createHashmap() {
+  size_t size = 8;
+  struct hashmap *t = (struct hashmap *)malloc(sizeof(struct hashmap));
+  t->size = size;
+  t->order = 1;
+  t->list = (struct node **)malloc(sizeof(struct node *) * size);
+  memset(t->list, 0, sizeof(struct node *) * size);
+  return t;
+}
+
+void hashmap_free(struct hashmap *t, free_val_func free_val) {
+    if (!t) return;
+
+    for (size_t i = 0; i < t->size; i++) {
+        struct node *current = t->list[i];
+        while (current) {
+            struct node *next = current->next;
+            if (free_val && current->val) {
+                free_val(current->val);
+            }
+            free(current);
+            current = next;
+        }
+    }
+    free(t->list);
+    free(t);
+}
+
+void resize_hashmap(struct hashmap *t) {
+  int old_size = t->size;
+  int new_size = old_size * 2;
+
+  struct node **old_list = t->list;
+
+  // Create new list
+  t->list = (struct node **)malloc(sizeof(struct node *) * new_size);
+  memset(t->list, 0, sizeof(struct node *) * new_size);
+
+  t->size = new_size;
+  t->count = 0;
+
+  // Rehash old entries into new list
+  for (int i = 0; i < old_size; i++) {
+    struct node *temp = old_list[i];
+    while (temp) {
+      hashmap_insert(t, temp->hash, temp->key, temp->val,
+                     temp->order); // Will increment count
+      temp = temp->next;
+    }
+  }
+}
+
+int hashCode(struct hashmap *t, uint64_t hash) { return hash % t->size; }
+
+int hashmap_remove(struct hashmap *t, uint64_t hash) {
+  int pos = hashCode(t, hash);
+  struct node *list = t->list[pos];
+  struct node *temp = list;
+  struct node *prev = NULL;
+  while (temp) {
+    if (temp->hash == hash) {
+      if (prev)
+        prev->next = temp->next;
+      else
+        t->list[pos] = temp->next;
+      return 1;
+    }
+    prev = temp;
+    temp = temp->next;
+  }
+  list = NULL;
+  prev = NULL;
+  temp = NULL;
+  return 0;
+}
+
+void hashmap_insert(struct hashmap *t, uint64_t hash, void *key,
+                    void *val, size_t order) {
+  if (!order) {
+    order = t->order++;
+  }
+  if ((t->count + 1) > t->size * 0.75) {
+    resize_hashmap(t);
+  }
+
+  int pos = hashCode(t, hash);
+  struct node *list = t->list[pos];
+  struct node *temp = list;
+
+  // Check if key exists → overwrite
+  while (temp) {
+    if (temp->hash == hash) {
+      temp->val = val;
+      return;
+    }
+    temp = temp->next;
+  }
+
+  // Insert new node
+  struct node *newNode = (struct node *)malloc(sizeof(struct node));
+  newNode->hash = hash;
+  newNode->key = key;
+  newNode->val = val;
+  newNode->order = order;
+  newNode->next = list;
+  t->list[pos] = newNode;
+  t->count++;
+}
+
+void *hashmap_lookup(struct hashmap *t, uint64_t hash) {
+  int pos = hashCode(t, hash);
+  struct node *list = t->list[pos];
+  struct node *temp = list;
+  while (temp) {
+    if (temp->hash == hash) {
+      return temp->val;
+    }
+    temp = temp->next;
+  }
+  return NULL;
+}

src/hashmap/hashmap.h

@@ -0,0 +1,37 @@
+#ifndef HASHMAP_H
+#define HASHMAP_H
+#include <stdint.h>
+#include <stdlib.h>
+
+typedef struct ArgonObject ArgonObject;
+
+typedef void (*free_val_func)(void *val);
+
+struct node {
+  uint64_t hash;
+  void *key;
+  void *val;
+  size_t order;
+  struct node *next;
+};
+struct hashmap {
+  size_t size;
+  size_t count;
+  size_t order;
+  struct node **list;
+};
+
+struct hashmap *createHashmap();
+
+void hashmap_free(struct hashmap *t, free_val_func free_val);
+
+int hashCode(struct hashmap *t, uint64_t hash);
+
+int hashmap_remove(struct hashmap *t, uint64_t hash);
+
+void hashmap_insert(struct hashmap *t, uint64_t hash, void *key,
+                    void *val, size_t order);
+
+void *hashmap_lookup(struct hashmap *t, uint64_t hash);
+
+#endif // HASHMAP_H