hermes::ParseTree Class Reference

The ParseTree represents a parsing tree (or derivation tree) generated by a parser. The tree consists in a hierarchy of nodes containing portions of the text identified by the parser rules. More...

#include <parsers.h>

Classes
struct	Node
	A node represents a element in the parsed string. More...

Public Types
enum class	NodeType { INPUT = 0 , TOKEN = 1 , BLOCK = 2 }
	Parse tree nodes can be of different types: More...

Public Member Functions
void	iterate (const std::function< bool(const Node &)> &callback) const

Friends
class	StringParser
std::ostream &	operator<< (std::ostream &os, const ParseTree &parse_tree)
	Dumps all contant of the tree.

Detailed Description

The ParseTree represents a parsing tree (or derivation tree) generated by a parser. The tree consists in a hierarchy of nodes containing portions of the text identified by the parser rules.

Member Enumeration Documentation

NodeType

enum class hermes::ParseTree::NodeType

strong

Parse tree nodes can be of different types:

Note

INPUT: a piece of text which might contain other nodes

TOKEN: a single token (a word identified by the parser) \node BLOCK: a block of of text enclosed by block delimiters which might contain other nodes

Enumerator
INPUT	a piece of text which might contain other nodes
TOKEN	a single token (a word identified by the parser)
BLOCK	a block of of text enclosed by block delimiters which might contain other nodes

Friends And Related Symbol Documentation

operator<<

std::ostream & operator<< ( std::ostream &  os, const ParseTree &  parse_tree  )

friend

Dumps all contant of the tree.

Parameters

os
parse_tree

Returns

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The documentation for this class was generated from the following files:

• hermes/common/parsers.h
• hermes/common/parsers.cpp