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* ATermMap needs an assignment operator, otherwise we are screwed.

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This commit is contained in:
Eelco Dolstra 2005-05-08 10:28:19 +00:00
parent 77557a6f06
commit 426593162e
2 changed files with 36 additions and 6 deletions
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37
src/libexpr/nixexpr.cc
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@ -7,6 +7,7 @@
ATermMap::ATermMap(unsigned int initialSize, unsigned int maxLoadPct)
: table(0)
{
this->maxLoadPct = maxLoadPct;
table = ATtableCreate(initialSize, maxLoadPct);
@ -16,6 +17,36 @@ ATermMap::ATermMap(unsigned int initialSize, unsigned int maxLoadPct)
ATermMap::ATermMap(const ATermMap & map)
: table(0)
{
copy(map);
}
ATermMap::~ATermMap()
{
free();
}
ATermMap & ATermMap::operator = (const ATermMap & map)
{
if (this == &map) return *this;
free();
copy(map);
return *this;
}
void ATermMap::free()
{
if (table) {
ATtableDestroy(table);
table = 0;
}
}
void ATermMap::copy(const ATermMap & map)
{
ATermList keys = map.keys();
@ -28,12 +59,6 @@ ATermMap::ATermMap(const ATermMap & map)
}
ATermMap::~ATermMap()
{
if (table) ATtableDestroy(table);
}
void ATermMap::set(ATerm key, ATerm value)
{
return ATtablePut(table, key, value);