107 lines
1.7 KiB
V
107 lines
1.7 KiB
V
// 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 compiler
|
|
|
|
import strings
|
|
|
|
[if vfmt]
|
|
fn (scanner mut Scanner) fgen(s_ string) {
|
|
mut s := s_
|
|
if scanner.fmt_line_empty {
|
|
s = strings.repeat(`\t`, scanner.fmt_indent) + s
|
|
}
|
|
scanner.fmt_out.write(s)
|
|
scanner.fmt_line_empty = false
|
|
}
|
|
|
|
[if vfmt]
|
|
fn (scanner mut Scanner) fgenln(s_ string) {
|
|
mut s := s_
|
|
if scanner.fmt_line_empty {
|
|
s = strings.repeat(`\t`, scanner.fmt_indent) + s
|
|
}
|
|
scanner.fmt_out.writeln(s)
|
|
scanner.fmt_line_empty = true
|
|
}
|
|
|
|
|
|
[if vfmt]
|
|
fn (p mut Parser) fgen(s string) {
|
|
}
|
|
[if vfmt]
|
|
fn (p mut Parser) fgen2(s string) {
|
|
if p.pass != .main {
|
|
return
|
|
}
|
|
p.scanner.fgen(s)
|
|
}
|
|
|
|
[if vfmt]
|
|
fn (p mut Parser) fspace() {
|
|
if p.first_pass() {
|
|
return
|
|
}
|
|
p.fgen2(' ')
|
|
}
|
|
|
|
|
|
[if vfmt]
|
|
fn (p mut Parser) fgenln(s string) {
|
|
}
|
|
|
|
[if vfmt]
|
|
fn (p mut Parser) fgenln2(s string) {
|
|
if p.pass != .main {
|
|
return
|
|
}
|
|
p.scanner.fgenln(s)
|
|
}
|
|
|
|
/*
|
|
fn (p mut Parser) peek() TokenKind {
|
|
for {
|
|
p.cgen.line = p.scanner.line_nr + 1
|
|
tok := p.scanner.peek()
|
|
if tok != .nl {
|
|
return tok
|
|
}
|
|
}
|
|
return .eof // TODO can never get here - v doesn't know that
|
|
}
|
|
*/
|
|
|
|
[if vfmt]
|
|
fn (p mut Parser) fmt_inc() {
|
|
if p.pass != .main {
|
|
return
|
|
}
|
|
p.scanner.fmt_indent++
|
|
}
|
|
|
|
[if vfmt]
|
|
fn (p mut Parser) fmt_dec() {
|
|
if p.pass != .main {
|
|
return
|
|
}
|
|
p.scanner.fmt_indent--
|
|
}
|
|
|
|
[if vfmt]
|
|
fn (p mut Parser) fnext() {
|
|
if p.tok == .eof {
|
|
return
|
|
}
|
|
if p.tok == .rcbr {
|
|
p.fmt_dec()
|
|
}
|
|
p.fgen2(p.strtok())
|
|
// vfmt: increase indentation on `{` unless it's `{}`
|
|
if p.tok == .lcbr { //&& p.scanner.pos + 1 < p.scanner.text.len && p.scanner.text[p.scanner.pos + 1] != `}` {
|
|
p.fgenln2('')
|
|
p.fmt_inc()
|
|
}
|
|
}
|
|
|