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VM: GC_BIGNUM must be called in the same scope as the variable declaration

db4
Björn Lindqvist 2014-09-17 19:46:05 +02:00 committed by Doug Coleman
parent cf6ae0ec2e
commit b90e52b527
2 changed files with 11 additions and 6 deletions
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4
vm/bignum.cpp
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@ -752,12 +752,12 @@ void factor_vm::bignum_divide_unsigned_large_denominator(
bignum *q = NULL;
if (quotient != ((bignum**)0)) {
q = allot_bignum(length_n - length_d, q_negative_p);
GC_BIGNUM(q);
} else {
q = BIGNUM_OUT_OF_BAND;
}
GC_BIGNUM(q);
bignum* u = (allot_bignum(length_n, r_negative_p));
bignum* u = allot_bignum(length_n, r_negative_p);
GC_BIGNUM(u);
int shift = 0;

13
vm/data_roots.hpp
View File

@ -35,13 +35,18 @@ struct gc_bignum {
factor_vm* parent;
gc_bignum(bignum** addr, factor_vm* parent) : addr(addr), parent(parent) {
parent->check_data_pointer(*addr);
parent->bignum_roots.push_back(addr);
/* Don't bother with variables holding NULL pointers. */
if (*addr) {
parent->check_data_pointer(*addr);
parent->bignum_roots.push_back(addr);
}
}
~gc_bignum() {
FACTOR_ASSERT(parent->bignum_roots.back() == addr);
parent->bignum_roots.pop_back();
if (*addr) {
FACTOR_ASSERT(parent->bignum_roots.back() == addr);
parent->bignum_roots.pop_back();
}
}
};