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v/compiler/vfmt.v

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2019-07-29 19:21:36 +03:00
// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
// Use of this source code is governed by an MIT license
// that can be found in the LICENSE file.
module main
import strings
// fmt helpers
fn (scanner mut Scanner) fgen(s string) {
if scanner.fmt_line_empty {
s = strings.repeat(`\t`, scanner.fmt_indent) + s
}
scanner.fmt_out.write(s)
scanner.fmt_line_empty = false
}
fn (scanner mut Scanner) fgenln(s string) {
if scanner.fmt_line_empty {
s = strings.repeat(`\t`, scanner.fmt_indent) + s
}
scanner.fmt_out.writeln(s)
scanner.fmt_line_empty = true
}
fn (p mut Parser) fgen(s string) {
p.scanner.fgen(s)
}
fn (p mut Parser) fspace() {
p.fgen(' ')
}
fn (p mut Parser) fgenln(s string) {
p.scanner.fgenln(s)
}
fn (p mut Parser) peek() Token {
for {
tok := p.scanner.peek()
if tok != .nl {
return tok
}
}
}
fn (p mut Parser) fmt_inc() {
p.scanner.fmt_indent++
}
fn (p mut Parser) fmt_dec() {
p.scanner.fmt_indent--
}