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#include "Scope.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <xxhash.h>
Scope *scope_create(const Scope *parent)
{
Scope *const scope = malloc(sizeof(Scope));
if (scope == NULL) {
perror("scope_create");
return NULL;
}
scope->used = 0;
scope->parent = parent;
return scope;
}
int scope_insert(Scope *scope, const char *word, int value)
{
if (scope->used >= SCOPE_WORD_MAX) {
fprintf(stderr, "scope full\n");
return 1;
}
const XXH32_hash_t hash = XXH32(word, strlen(word), 0);
for (int i = 0; i < scope->used; i++)
if (scope->words_hash[i] == hash) {
fprintf(stderr, "shadowed word\n");
return 1;
}
scope->words[scope->used] = word;
scope->values[scope->used] = value;
scope->words_hash[scope->used] = hash;
scope->used += 1;
return 0;
}
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