53 lines
1.2 KiB
V
53 lines
1.2 KiB
V
// Copyright (c) 2021 Lars Pontoppidan. All rights reserved.
|
|
// Use of this source code is governed by an MIT license
|
|
// that can be found in the LICENSE file.
|
|
module token
|
|
|
|
// Token holds information about the current scan of bytes.
|
|
pub struct Token {
|
|
pub:
|
|
kind Kind // the token number/enum; for quick comparisons
|
|
lit string // literal representation of the token
|
|
col int // the column in the source where the token occured
|
|
line_nr int // the line number in the source where the token occured
|
|
pos int // the position of the token in scanner text
|
|
len int // length of the literal
|
|
}
|
|
|
|
// Kind represents a logical type of entity found in any given TOML document.
|
|
pub enum Kind {
|
|
unknown
|
|
eof
|
|
bare // user
|
|
boolean // true or false
|
|
number // 123
|
|
quoted // 'foo', "foo", """foo""" or '''foo'''
|
|
plus // +
|
|
minus // -
|
|
underscore // _
|
|
comma // ,
|
|
colon // :
|
|
hash // # comment
|
|
assign // =
|
|
lcbr // {
|
|
rcbr // }
|
|
lsbr // [
|
|
rsbr // ]
|
|
nl // \n linefeed / newline character
|
|
cr // \r carrige return
|
|
tab // \t character
|
|
whitespace // ` `
|
|
period // .
|
|
_end_
|
|
}
|
|
|
|
[inline]
|
|
pub fn (tok &Token) pos() Pos {
|
|
return Pos{
|
|
len: tok.len
|
|
line_nr: tok.line_nr - 1
|
|
pos: tok.pos
|
|
col: tok.col - 1
|
|
}
|
|
}
|