Parser class

The Parser creates a mathematical Expression from a given input string.

It uses a Lexer to create a RPN token stream and then builds the expression.

Usage example:

Parser p = Parser();
Expression exp = p.parse("(x^2 + cos(y)) / 3");

Constructors

Parser()
Creates a new parser.

Properties

functionHandlers Map<String, dynamic>
getter/setter pair
hashCode int
The hash code for this object.
no setterinherited
lex Lexer
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited

Methods

addFunction(String name, dynamic handler) → void
Registers a function handler with the parser.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
parse(String inputString) Expression
Parses the given input string into an Expression. Throws a ArgumentError if the given inputString is empty. Throws a StateError if the token stream is invalid. Returns a valid Expression.
toString() String
A string representation of this object.
inherited

Operators

operator ==(Object other) bool
The equality operator.
inherited