# Language Parsers

The :std/parser library provides facilities for parsing languages, with emphasis on custom languages. See also the tutorial.

# Overview

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# Regular Languages

# @nul

(@nul ...)

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# @nul?

(@nul? ...)

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# @eps

(@eps ...)

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# @eps?

(@eps? ...)

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# @char

(@char ...)

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# @charset

(@charset ...)

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# @negset

(@negset ...)

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# @dot

(@dot ...)

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# @alt

(@alt ...)

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# @cat

(@cat ...)

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# @rep*

(@rep* ...)

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# @rep+

(@rep+ ...)

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# @maybe

(@maybe ...)

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# deriv

(deriv ...)

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# delta

(delta ...)

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# recognizes?

(recognizes? ...)

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# Tokens, Locations, and Utilities

# token

(defstruct token (t e loc))

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# token->syntax

(token->syntax ...)

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# location

(defstruct location (port line col off xoff))

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# display-location

(display-location ...)

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# location-delta

(location-delta ...)

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# location-delta*

(location-delta* ...)

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# location->source-location

(location->source-location ...)

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# wrap-identity

(wrap-identity ...)

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# wrap-ast

(wrap-ast ...)

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# unwrap-ast

(unwrap-ast ...)

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# parse-error?

(parse-error? ...)

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# raise-parse-error

(raise-parse-error ...)

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# Character Streams

# make-char-stream

(make-char-stream ...)

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# char-stream?

(char-stream? ...)

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# char-stream-loc

(char-stream-loc ...)

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# char-stream-close

(char-stream-close ...)

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# char-stream-peek

(char-stream-peek ...)

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# char-stream-getc

(char-stream-getc ...)

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# char-stream-ungetc

(char-stream-ungetc ...)

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# port-location

(port-location ...)

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# Lexing

# deflexer

(deflexer ...)

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# lex

(lex ...)

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# lex-chars

(lex-chars ...)

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# token-stream?

(token-stream? ...)

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# token-stream-close

(token-stream-close ...)

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# token-stream-get

(token-stream-get ...)

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# token-stream-next

(token-stream-next ...)

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# token-stream-unget

(token-stream-unget ...)

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# token-stream-peek

(token-stream-peek ...)

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# token-stream-loc

(token-stream-loc ...)

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# $

($ ...)

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# $?

($? ...)

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# $$

($$ ...)

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# $$?

($$? ...)

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# Parsing

# defparser

(defparser ...)

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# parser-input-stream

(parser-input-stream ...)

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# parser-parse

(parser-parse ...)

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# parser-fail

(parser-fail ...)

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# parser-rewind

(parser-rewind ...)

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# $-

($- ...)

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# The Grammar Prelude

#lang :std/parser/grammar

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