Module ast

Expand description

Data information to build the AST And some functions to work with AST

Modules§

flat: Data information to build the Flat AST And some functions to work with it

Error: Context information about an error manipulanting the ast You will have an String with the description, and the node wich produced the error It will have the error description and the string of node info

check_empty_nodes: Consume a node if it’s a Rule kind with a specific value and return the rest of nodes and the sub_nodes for the consumed node
consume_node_get_subnodes_for_rule_name_is: Consume a node if it’s a Rule kind with a specific value and return the rest of nodes and the sub_nodes for the consumed node
consume_this_value: Consume a node if it’s a Val kind and the vaule is equal to the provider one
consume_val: Given a slice of nodes, return the value (&str) of first node if it is a Node::Rule and return the rest of nodes
error: Helper to create an ast::Error
get_node_val: Get the value of the Node If node is not a Node::Val, it will return an error
get_nodename_and_nodes: It will get the node name and a slice to the nodes contained by the node
get_nodes_unique_val: Sometimes, processing the ast, you will exptect to have an unique child, and it will have to be a simple Node::Val This function will return the val, or error in other case
peek_first_node: Return a reference to first node
split_first_nodes: Given a list of nodes, return the first and the rest on a tuple