Function _AST_parse_result_root

src/ast/ast.c:70–86

this function returns the actual root of the query as cypher_parse_result_t can have multiple roots such as comments only a root with type CYPHER_AST_STATEMENT is considered as the actual root comment roots are ignored

// only a root with type CYPHER_AST_STATEMENT is considered as the actual root
// comment roots are ignored
static const cypher_astnode_t *_AST_parse_result_root
(
	const cypher_parse_result_t *parse_result
) {
	uint nroots = cypher_parse_result_nroots(parse_result);
	for(uint i = 0; i < nroots; i++) {
		const cypher_astnode_t *root = cypher_parse_result_get_root(parse_result, i);
		cypher_astnode_type_t root_type = cypher_astnode_type(root);
		if(root_type != CYPHER_AST_STATEMENT) {
			continue;
		} else {
			return root;
		}
	}
	ASSERT("_AST_parse_result_root: Parse result should have a valid root" && false);
	return NULL;
}

// this method extracts the query's parameters values, convert them into
// constant SIValues and store them in a map of <name, value>