sdpc.parsers

Simple parsers

Here are some commonly used parsers. Also as an example for how to use the combinators.

Members

Aliases

digit alias digit(string _digits) = transform!(ch!_digits, (ch) => cast(int)_digits.indexOf(ch)): Parse a sequences of digits, return an array of number
skip_whitespace alias skip_whitespace = skip!(choice!(token!" ", token!"\n", token!"\t")): Skip white spaces
word alias word(alias accept = alphabet) = transform!(many!(ch!accept), (x) => x.idup): Parse a sequence of characters

Functions

identifier auto identifier(R i): Parse an identifier, starts with a letter or _, followed by letter, _, or digits
nop auto nop(R i): Consumes nothing, always return OK
parse_escape1 auto parse_escape1(R i): Parse escaped character, \n, \r, \b, \" and \\
parse_string auto parse_string(R i): Parse a string enclosed by a pair of quotes, and containing escape sequence

Structs

ParseError struct ParseError(R): Undocumented in source.
ch struct ch(alias accept): Match any character in accept
not_ch struct not_ch(alias reject): Match any character except those in reject
token struct token(string t): Match a string, return the matched string

Templates

number template number(string accept = digits, int base = 10): Parse a number

Variables

alphabet string alphabet;: Undocumented in source.
digits string digits;: Undocumented in source.
lower string lower;: Undocumented in source.
upper string upper;: Undocumented in source.

Meta

Source

See Source File

Copyright

2017 Yuxuan Shui

sdpc modules