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fix bug with sum type

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joe-conigliaro 2019-12-28 18:48:55 +11:00 committed by Alexander Medvednikov
parent 0bdf9bbf4f
commit a214778b74
1 changed files with 10 additions and 8 deletions
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4
vlib/compiler/expression.v
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@ -51,6 +51,8 @@ fn (p mut Parser) bool_expression() string {
expected = p.expected_type expected = p.expected_type
} }
if expected != typ && expected in p.table.sum_types { // TODO perf if expected != typ && expected in p.table.sum_types { // TODO perf
T := p.table.find_type(typ)
if T.parent == expected {
//p.warn('SUM CAST exp=$expected typ=$typ p.exp=$p.expected_type') //p.warn('SUM CAST exp=$expected typ=$typ p.exp=$p.expected_type')
p.cgen.set_placeholder(start_ph, p.cgen.set_placeholder(start_ph,
//'/*SUM TYPE CAST*/($expected) { .obj = &($typ[]) { ') //'/*SUM TYPE CAST*/($expected) { .obj = &($typ[]) { ')
@ -58,7 +60,7 @@ fn (p mut Parser) bool_expression() string {
tt := typ.all_after('_') // TODO tt := typ.all_after('_') // TODO
//p.gen('}, .typ = SumType_${tt} }')//${val}_type }') //p.gen('}, .typ = SumType_${tt} }')//${val}_type }')
p.gen(', sizeof($typ) ), .typ = SumType_${tt} }')//${val}_type }') p.gen(', sizeof($typ) ), .typ = SumType_${tt} }')//${val}_type }')
}
} }
return typ return typ
} }