#include "ctx.h"

#include <ivy/lang/ast.h>

bool parse_package_import(struct ivy_parser *parser, struct ivy_ast_node **out)
{
	if (!parse_keyword(parser, IVY_KW_USE)) {
		parse_trace(
			NULL, "expected `use` before package import statement");
		return false;
	}

	struct ivy_ast_unit_import_node *unit_import
		= create_node(IVY_AST_UNIT_IMPORT);

	struct ivy_token *tok = NULL;
	if (!parse_word(parser, &tok)) {
		parse_trace(NULL, "expected word after `use` keyword");
		return false;
	}

	fx_queue_push_back(&unit_import->n_ident, &tok->t_entry);

	while (1) {
		if (parse_linefeed(parser)) {
			break;
		}

		if (!parse_symbol(parser, IVY_SYM_DOT)) {
			parse_trace(
				NULL,
				"expected linefeed or `.` after package "
				"identifier word");
			destroy_node(unit_import);
			return false;
		}

		if (!parse_word(parser, &tok)) {
			parse_trace(NULL, "expected word after `use` keyword");
			destroy_node(unit_import);
			return false;
		}

		fx_queue_push_back(&unit_import->n_ident, &tok->t_entry);
	}

	*out = generic_node(unit_import);
	return true;
}