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new AST built with sum types

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This commit is contained in:
Alexander Medvednikov
2019-12-22 04:34:37 +03:00
parent 803ded3dec
commit ca284482cb
15 changed files with 1521 additions and 38 deletions
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10
vlib/compiler/expression.v
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@ -47,8 +47,12 @@ fn (p mut Parser) bool_expression() string {
p.error('expr() returns empty type')
}
if expected != typ && expected in p.table.sum_types { // TODO perf
p.cgen.set_placeholder(start_ph, '/*KUK*/($expected) { .obj = ($typ[]) { ')
p.gen('}, .typ = 1}')//${val}_type }')
p.cgen.set_placeholder(start_ph,
//'/*SUM TYPE CAST*/($expected) { .obj = &($typ[]) { ')
'/*SUM TYPE CAST*/($expected) { .obj = memdup(& ')
tt := typ.all_after('_') // TODO
//p.gen('}, .typ = SumType_${tt} }')//${val}_type }')
p.gen(', sizeof($typ) ), .typ = SumType_${tt} }')//${val}_type }')
}
return typ
@ -369,7 +373,7 @@ fn (p mut Parser) name_expr() string {
//println(q)
//println(q[idx])
arg_type := q[idx]
p.gen('($enum_type.name) { .obj = ($arg_type[]) { ')
p.gen('($enum_type.name) { .obj = ($arg_type[]) { ')
p.bool_expression()
p.check(.rpar)
p.gen('}, .typ = ${val}_type }')