import {ParserBuilder} from 'pratt'

public class | source

ParserBuilder

Builds led/nud rules for a Parser

Constructor Summary

Public Constructor
public	constructor(parser: Parser<T>) Constructs a ParserBuilder See also: Parser.builder

Method Summary

Public Methods
public	bp(tokenType: T, bp: number): ParserBuilder<T> Define the binding power for a token type
public	build(): Parser<T> Returns the parent Parser instance
public	either(tokenType: strTng, bp: number, fn: LedFunction<T>): ParserBuilder<T> Define both `led` and `nud` for a token type at once.
public	led(tokenType: T, bp: number, fn: LedFunction<T>): ParserBuilder<T> Define `led` for a token type
public	nud(tokenType: T, bp: number, fn: NudFunction<T>): ParserBuilder<T> Define `nud` for a token type

Public Constructors

public constructor(parser: Parser<T>) source

Constructs a ParserBuilder See also: Parser.builder

Params:

Name	Type	Attribute	Description
parser	Parser<T>		The parser

Public Methods

public bp(tokenType: T, bp: number): ParserBuilder<T> source

Define the binding power for a token type

Params:

Name	Type	Attribute	Description
tokenType	T		The token type
bp	number		The binding power

Return:

ParserBuilder<T>

Returns this ParserBuilder

public build(): Parser<T> source

Returns the parent Parser instance

Return:

Parser<T>

public either(tokenType: strTng, bp: number, fn: LedFunction<T>): ParserBuilder<T> source

Define both led and nud for a token type at once. The supplied LedFunction may be called with a null left parameter when invoked from a nud context.

Params:

Name	Type	Attribute	Description
tokenType	strTng		The token type
bp	number		The binding power
fn	LedFunction<T>		The function that will parse the token

Return:

ParserBuilder<T>

Returns this ParserBuilder

public led(tokenType: T, bp: number, fn: LedFunction<T>): ParserBuilder<T> source

Define led for a token type

Params:

Name	Type	Attribute	Description
tokenType	T		The token type
bp	number		The binding power
fn	LedFunction<T>		The function that will parse the token

Return:

ParserBuilder<T>

Returns this ParserBuilder

public nud(tokenType: T, bp: number, fn: NudFunction<T>): ParserBuilder<T> source

Define nud for a token type

Params:

Name	Type	Attribute	Description
tokenType	T		The token type
bp	number		The binding power
fn	NudFunction<T>		The function that will parse the token

Return:

ParserBuilder<T>

Returns this ParserBuilder