v/vlib/compiler/asm.v

39 lines
746 B
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
fn (p mut Parser) inline_asm() {
if !p.inside_unsafe {
p.error('asm() needs to be run unside `unsafe {}`')
}
p.next()
p.check(.lpar)
s := p.check_string()
p.genln('asm("$s"')
for p.tok == .str {
p.genln('"$p.lit"')
p.next()
}
for p.tok == .colon {
p.next()
arg := p.check_string()
p.gen(': "$arg"')
if p.tok == .lpar {
p.next()
var_name := p.check_name()
if !p.known_var(var_name) {
p.error('unknown variable `$var_name`')
}
p.check(.rpar)
p.genln('($var_name)')
}
}
p.genln(');')
p.check(.rpar)
}