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workaround for -g with default optional value

pull/3091/head
joe-conigliaro 2019-12-15 14:11:02 +11:00 committed by Alexander Medvednikov
parent 54b0097cee
commit be60193588
1 changed files with 13 additions and 2 deletions
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13
vlib/compiler/gen_c.v
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@ -125,9 +125,20 @@ fn (p mut Parser) gen_handle_option_or_else(_typ, name string, fn_call_ph int) s
last_ph := p.cgen.add_placeholder()
last_typ := p.statements()
if is_assign && last_typ == typ {
expr_line := p.cgen.lines[p.cgen.lines.len-2]
// workaround for -g with default optional value
// when p.cgen.line_directives is true an extra
// line is added so we need to account for that
expr_line := if p.cgen.line_directives {
p.cgen.lines[p.cgen.lines.len-3]
} else {
p.cgen.lines[p.cgen.lines.len-2]
}
last_expr := expr_line[last_ph..]
p.cgen.lines[p.cgen.lines.len-2] = ''
// same here
if p.cgen.line_directives {
p.cgen.lines[p.cgen.lines.len-3] = ''
}
p.genln('if ($tmp .ok) {')
p.genln('$name = *($typ*) $tmp . data;')
p.genln('} else {')