Function AST_Validate_QueryParams

src/ast/ast_validations.c:2265–2305

validate parameters of a query

// validate parameters of a query
AST_Validation AST_Validate_QueryParams
(
	const cypher_parse_result_t *result  // parse-result to validate
) {
	int index;
	if(AST_Validate_ParseResultRoot(result, &index) != AST_VALID) {
		return AST_INVALID;
	}

	const cypher_astnode_t *root = cypher_parse_result_get_root(result, index);

	// in case of no parameters
	if(cypher_ast_statement_noptions(root) == 0) {
		return AST_VALID;
	}

	if(_ValidateParamsOnly(root) != AST_VALID) {
		return AST_INVALID;
	}
	if(_ValidateDuplicateParameters(root) != AST_VALID) {
		return AST_INVALID;
	}

	// create a context for the traversal
	validations_ctx ctx = {
		.union_all = NOT_DEFINED,
		.defined_identifiers = raxNew(),
		.ignore_identifiers = false
	};

	// create a visitor
	ast_visitor visitor = {&ctx, validations_mapping};
	
	// visit (traverse) the ast
	AST_Visitor_visit(root, &visitor);

	// cleanup
	raxFree(ctx.defined_identifiers);

	return !ErrorCtx_EncounteredError() ? AST_VALID : AST_INVALID;
}

// report encountered errors by libcypher-parser
void AST_ReportErrors