81 lines
1.7 KiB
C
81 lines
1.7 KiB
C
#include "enums.h"
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#include "object.h"
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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static struct Object *new(const enum Type type)
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{
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struct Object *const object = malloc(sizeof(struct Object));
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assert(object);
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memset(object, 0, sizeof(struct Object));
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object->type = type;
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return object;
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}
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struct Object *Object_new_pair(struct Object *const a, struct Object *const b)
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{
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struct Object *const object = new(TYPE_PAIR);
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object->pair.a = a;
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object->pair.b = b;
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return object;
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}
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struct Object *Object_new_atom(const char *const s)
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{
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struct Object *const object = new(TYPE_ATOM);
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object->s = malloc(strlen(s) + 1);
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assert(object->s);
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strcpy(object->s, s);
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return object;
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}
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struct Object *Object_new_string(const char *const s)
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{
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struct Object *const object = new(TYPE_STRING);
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object->s = malloc(strlen(s) + 1);
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assert(object->s);
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strcpy(object->s, s);
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return object;
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}
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struct Object *Object_new_number(const int64_t i)
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{
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struct Object *const object = new(TYPE_NUMBER);
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object->i = i;
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return object;
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}
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void Object_print(struct Object *const self, const unsigned indent)
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{
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for (unsigned index = 0; index < indent; ++index) {
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printf(" ");
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}
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if (!self) {
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printf("NULL\n");
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return;
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}
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printf("%s:", Type_to_str(self->type));
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switch (self->type) {
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case TYPE_PAIR:
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printf("\n");
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Object_print(self->pair.a, indent + 1);
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Object_print(self->pair.b, indent + 1);
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break;
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case TYPE_ATOM:
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case TYPE_STRING:
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printf("%s\n", self->s);
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break;
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case TYPE_NUMBER:
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printf("%li\n", self->i);
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break;
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default:
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break;
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}
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}
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