view runtime/progfoot.inc @ 251:2557ce4e671f

Fix a couple of compiler bugs. topenv was getting initialized in multiple places. This resulted in multiple copies of modules getting created which caused problems for macro expansion. Additionally, arguments were not being marked as declared during code generation so assigning to an argument that was not closed over generated invalid C code.
author Michael Pavone <pavone@retrodev.com>
date Fri, 11 Apr 2014 22:29:32 -0700
parents 18598163e3ef
children
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array * alloc_array(uint32_t num_els)
{
	array * arr = GC_MALLOC(sizeof(array));
	arr->header.meta = &array_meta;
	arr->header.parent = NULL;
	arr->storage = arr->size = num_els;
	if (num_els < 4) {
		arr->storage = 4;
	}
	arr->data = GC_MALLOC(sizeof(object *) * arr->storage);
	return arr;
}

object * make_array(uint32_t num_els, ...)
{
	va_list els;
	int i;
	array * arr = alloc_array(num_els);
	va_start(els, num_els);
	for (i = 0; i < num_els; i++)
		arr->data[i] = va_arg(els, object *);
	va_end(els);
	return &(arr->header);
}

object * make_list(uint32_t num_els, ...)
{
	va_list els;
	int i;
	object * cur = mcall(METHOD_ID_EMPTY, 1, module_list);
	va_start(els, num_els);
	for (i = 0; i < num_els; i++)
		cur = mcall(METHOD_ID_CONS, 2, cur, va_arg(els, object *));
	va_end(els);
	return cur;
}

object * make_lambda(void * env, closure_func func)
{
	lambda * ret = GC_MALLOC(sizeof(lambda));
	ret->header.meta = &lambda_meta;
	ret->header.parent = NULL;
	ret->env = env;
	ret->func = func;
	return (object *) ret;
}

int main(int argc, char ** argv)
{
	int i;
	string * arg;
	GC_INIT();
	array * arr = alloc_array(argc);
	for (i = 0; i < argc; ++i) {
		arg = (string *)make_object(&string_meta, NULL, 0);
		arg->data = argv[i];
		arg->bytes = arg->len = strlen(argv[i]);
		arr->data[i] = &(arg->header);
	}
	object * ret = mcall(METHOD_ID_MAIN, 2, mainModule(), &(arr->header));
	if (ret->meta == &obj_int32_meta) {
		obj_int32 * reti32 = (obj_int32 *) ret;
		return reti32->num;
	}
	return 0;
}