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Don't hide repeated values while generating manifest.nix

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Fixes #6243.
This commit is contained in:
Eelco Dolstra 2022-03-22 13:18:11 +01:00
parent 732296ddc0
commit a0259a21a4
4 changed files with 32 additions and 18 deletions
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38
src/libexpr/eval.cc
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@ -96,20 +96,20 @@ RootValue allocRootValue(Value * v)
}
void printValue(std::ostream & str, std::set<const void *> & seen, const Value & v)
void Value::print(std::ostream & str, std::set<const void *> * seen) const
{
checkInterrupt();
switch (v.internalType) {
switch (internalType) {
case tInt:
str << v.integer;
str << integer;
break;
case tBool:
str << (v.boolean ? "true" : "false");
str << (boolean ? "true" : "false");
break;
case tString:
str << "\"";
for (const char * i = v.string.s; *i; i++)
for (const char * i = string.s; *i; i++)
if (*i == '\"' || *i == '\\') str << "\\" << *i;
else if (*i == '\n') str << "\\n";
else if (*i == '\r') str << "\\r";
@ -119,19 +119,19 @@ void printValue(std::ostream & str, std::set<const void *> & seen, const Value &
str << "\"";
break;
case tPath:
str << v.path; // !!! escaping?
str << path; // !!! escaping?
break;
case tNull:
str << "null";
break;
case tAttrs: {
if (!v.attrs->empty() && !seen.insert(v.attrs).second)
if (seen && !attrs->empty() && !seen->insert(attrs).second)
str << "«repeated»";
else {
str << "{ ";
for (auto & i : v.attrs->lexicographicOrder()) {
for (auto & i : attrs->lexicographicOrder()) {
str << i->name << " = ";
printValue(str, seen, *i->value);
i->value->print(str, seen);
str << "; ";
}
str << "}";
@ -141,12 +141,12 @@ void printValue(std::ostream & str, std::set<const void *> & seen, const Value &
case tList1:
case tList2:
case tListN:
if (v.listSize() && !seen.insert(v.listElems()).second)
if (seen && listSize() && !seen->insert(listElems()).second)
str << "«repeated»";
else {
str << "[ ";
for (auto v2 : v.listItems()) {
printValue(str, seen, *v2);
for (auto v2 : listItems()) {
v2->print(str, seen);
str << " ";
}
str << "]";
@ -166,10 +166,10 @@ void printValue(std::ostream & str, std::set<const void *> & seen, const Value &
str << "<PRIMOP-APP>";
break;
case tExternal:
str << *v.external;
str << *external;
break;
case tFloat:
str << v.fpoint;
str << fpoint;
break;
default:
abort();
@ -177,10 +177,16 @@ void printValue(std::ostream & str, std::set<const void *> & seen, const Value &
}
std::ostream & operator << (std::ostream & str, const Value & v)
void Value::print(std::ostream & str, bool showRepeated) const
{
std::set<const void *> seen;
printValue(str, seen, v);
print(str, showRepeated ? nullptr : &seen);
}
std::ostream & operator << (std::ostream & str, const Value & v)
{
v.print(str, false);
return str;
}