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compiler: fix a deferencing cast was causing a segfault

This commit is contained in:
Dwight Schauer 2019-11-22 00:11:06 -06:00 committed by Alexander Medvednikov
parent 8fbfceed30
commit 4edade5067
3 changed files with 23 additions and 1 deletions

View File

@ -538,7 +538,7 @@ fn (p mut Parser) cast(typ string) {
p.error('cannot cast `$expr_typ` to `$typ`, use backquotes `` to create a `$typ` or access the value of an index of `$expr_typ` using []') p.error('cannot cast `$expr_typ` to `$typ`, use backquotes `` to create a `$typ` or access the value of an index of `$expr_typ` using []')
} }
else if casting_voidptr_to_value { else if casting_voidptr_to_value {
p.cgen.set_placeholder(pos, '*($typ*)(') p.cgen.set_placeholder(pos, '($typ)(')
} }
else { else {
// Nothing can be cast to bool // Nothing can be cast to bool

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@ -0,0 +1,11 @@
fn receive_addr_return_u64 (addr voidptr) u64 {
return u64(addr)
}
fn test_void_pointer_to_u64_cast_via_fn_call() {
a := u64(10)
b := voidptr(a)
c := receive_addr_return_u64(b)
assert (a == c)
}

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@ -0,0 +1,11 @@
fn receive_u64_return_addr (something u64) voidptr {
return voidptr(something)
}
fn test_u64_to_void_pointer_cast_via_fn_call() {
a := u64(100)
b := receive_u64_return_addr(a)
c := u64(b)
assert (a == c)
}