#include "ctx.h"

#include <stdlib.h>
#include <string.h>

static void init_builtin_types(struct ctx *ctx)
{
	for (size_t i = 0; i < TYPE_OTHER; i++) {
		ctx->ctx_builtin_types[i].ty_id = i;
	}
}

struct ctx *ctx_create(void)
{
	struct ctx *out = malloc(sizeof *out);
	if (!out) {
		return NULL;
	}

	memset(out, 0x0, sizeof *out);

	init_builtin_types(out);

	return out;
}

void ctx_destroy(struct ctx *ctx)
{
	free(ctx);
}

const struct type *ctx_get_type(struct ctx *ctx, const char *name)
{
	if (!strcmp(name, "string")) {
		return ctx_get_builtin_type(ctx, TYPE_STRING);
	}

	if (!strcmp(name, "int")) {
		return ctx_get_builtin_type(ctx, TYPE_INT);
	}

	if (!strcmp(name, "handle")) {
		return ctx_get_builtin_type(ctx, TYPE_HANDLE);
	}

	return NULL;
}

const struct type *ctx_get_builtin_type(struct ctx *ctx, enum type_id id)
{
	if (id >= TYPE_OTHER) {
		return NULL;
	}

	return &ctx->ctx_builtin_types[id];
}