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a tiny pratt parser implementation

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Name		Name	Last commit message	Last commit date
Latest commit History 9 Commits
.husky		.husky
src		src
test		test
types		types
.eslintrc.js		.eslintrc.js
.gitattributes		.gitattributes
.gitignore		.gitignore
.npmrc		.npmrc
.pull-configs.js		.pull-configs.js
.swcrc		.swcrc
LICENSE		LICENSE
README.md		README.md
dprint.json		dprint.json
package.json		package.json
tsconfig.dist.json		tsconfig.dist.json
tsconfig.json		tsconfig.json

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tinypratt

a tiny pratt parser implementation

`npm i tinypratt` `pnpm add tinypratt` `yarn add tinypratt`

API

# ParserErrorCauses

src/causes.ts#L1

# BadImpl

src/causes.ts#L33

# constructor(token, impl)

src/causes.ts#L35

# new BadImpl()

# token

# impl

keyof Impl

# col

src/causes.ts#L9

number

# impl

src/causes.ts#L35

keyof Impl

# index

src/causes.ts#L6

number

# input

src/causes.ts#L7

string

# line

src/causes.ts#L8

number

# message

src/causes.ts#L10

string

# name = 'ParserBadImpl'

src/causes.ts#L34

string

# short

src/causes.ts#L11

string

# token

src/causes.ts#L11

# BadOp

src/causes.ts#L42

# constructor(token, short)

src/causes.ts#L11

# new BadOp()

# token

# short

string

# col

src/causes.ts#L9

number

# index

src/causes.ts#L6

number

# input

src/causes.ts#L7

string

# line

src/causes.ts#L8

number

# message

src/causes.ts#L10

string

# name = 'ParserBadOp'

src/causes.ts#L43

string

# short

src/causes.ts#L11

string

# token

src/causes.ts#L11

# BadToken

src/causes.ts#L39

# constructor(token, short)

src/causes.ts#L11

# new BadToken()

# token

# short

string

# col

src/causes.ts#L9

number

# index

src/causes.ts#L6

number

# input

src/causes.ts#L7

string

# line

src/causes.ts#L8

number

# message

src/causes.ts#L10

string

# name = 'ParserBadToken'

src/causes.ts#L40

string

# short

src/causes.ts#L11

string

# token

src/causes.ts#L11

# ParserErrorCause

src/causes.ts#L4

# constructor(token, short)

src/causes.ts#L11

# new ParserErrorCause()

ParserErrorCause

# token

# short

string

# col

src/causes.ts#L9

number

# index

src/causes.ts#L6

number

# input

src/causes.ts#L7

string

# line

src/causes.ts#L8

number

# message

src/causes.ts#L10

string

# name = 'ParserUnknownError'

src/causes.ts#L5

string

# short

src/causes.ts#L11

string

# token

src/causes.ts#L11

# UnexpectedToken

src/causes.ts#L27

# constructor(token, group, value)

src/causes.ts#L29

# new UnexpectedToken()

UnexpectedToken

# token

# group

string

# value

string

# col

src/causes.ts#L9

number

# group

src/causes.ts#L29

string

# index

src/causes.ts#L6

number

# input

src/causes.ts#L7

string

# line

src/causes.ts#L8

number

# message

src/causes.ts#L10

string

# name = 'ParserUnexpectedToken'

src/causes.ts#L28

string

# short

src/causes.ts#L11

string

# token

src/causes.ts#L11

# value

src/causes.ts#L29

string

# LexerError

# constructor(cause)

# new LexerError()

# cause

Error

# cause

UnexpectedToken

# name

string

# prepareStackTrace

# (err, stackTraces)

# err

Error

# stackTraces

CallSite []

(err, stackTraces) =>

any

# stackTraceLimit

number

# captureStackTrace(targetObject, constructorOpt)

# targetObject

object

# constructorOpt

Function

captureStackTrace(targetObject, constructorOpt) =>

void

# ParserError

src/index.ts#L58

# constructor(cause)

src/index.ts#L67

# new ParserError()

# cause

Error

# cause

src/index.ts#L59

UnexpectedToken | BadImpl | BadToken | BadOp

# name = 'ParserError'

src/index.ts#L66

string

# prepareStackTrace

# (err, stackTraces)

# err

Error

# stackTraces

CallSite []

(err, stackTraces) =>

any

# stackTraceLimit

number

# captureStackTrace(targetObject, constructorOpt)

# targetObject

object

# constructorOpt

Function

captureStackTrace(targetObject, constructorOpt) =>

void

# Token

# constructor(value)

# new Token()

# value

# new Token()

# value

string

# group

string

# source

RegExpMatchArrayLike

# group

string

# source

RegExpMatchArrayLike

# index

# value

# as(value, group)

# value

string

# group

string

as(value, group) =>

# is(group, value)

# group

string

# value

string

is(group, value) =>

boolean

# toJSON()

toJSON() =>

# create(value, group, source)

# value

string

# group

string

# source

RegExpMatchArrayLike

create(value, group, source) =>

# Impl

src/index.ts#L28

# led

src/index.ts#L29

Fn

# nud

src/index.ts#L30

Fn

# NodeArray

src/index.ts#L12

# TokenJson

# group

string

# source

{

# index

number

# input

string

# match

string []

# value

string

# Node

src/index.ts#L16

NodeArray | Token & {

# lexer

src/index.ts#L17

Lexer

# toString()

src/index.ts#L18

toString() =>

string

# createParser(regexp, fn)

src/index.ts#L72

# regexp

RegExp

# fn

ImplTableFactory

createParser(regexp, fn) =>

# (input)

# input

string

(input) =>

# joinRegExp(regexps, flags)

# regexps

RegExp | RegExp [] []

# flags

string

joinRegExp(regexps, flags) =>

RegExp

Credits

annotate-code by stagas – beautifully annotate source code with a message, given an index, like a parser or compiler
join-regexp by stagas – utility to join regexps together
lexer-next by stagas – lexer for recursive descent parsers

Contributing

Fork or edit and submit a PR.

All contributions are welcome!

License

MIT © 2022 stagas

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