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Merge remote-tracking branch 'origin/master' into lazy-trees

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This commit is contained in:
Eelco Dolstra 2022-12-05 13:05:18 +01:00
commit fcdca3d776
65 changed files with 1366 additions and 1205 deletions
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53
src/libexpr/value-to-json.cc
View file

@ -1,87 +1,84 @@
#include "value-to-json.hh"
#include "json.hh"
#include "eval-inline.hh"
#include "util.hh"
#include "store-api.hh"
#include <cstdlib>
#include <iomanip>
#include <nlohmann/json.hpp>
namespace nix {
void printValueAsJSON(EvalState & state, bool strict,
Value & v, const PosIdx pos, JSONPlaceholder & out, PathSet & context, bool copyToStore)
using json = nlohmann::json;
json printValueAsJSON(EvalState & state, bool strict,
Value & v, const PosIdx pos, PathSet & context, bool copyToStore)
{
checkInterrupt();
if (strict) state.forceValue(v, pos);
json out;
switch (v.type()) {
case nInt:
out.write(v.integer);
out = v.integer;
break;
case nBool:
out.write(v.boolean);
out = v.boolean;
break;
case nString:
copyContext(v, context);
out.write(v.string.s);
out = v.string.s;
break;
case nPath:
if (copyToStore)
out.write(
state.store->printStorePath(
state.copyPathToStore(context, v.path())));
out = state.store->printStorePath(
state.copyPathToStore(context, v.path()));
else
out.write(v.path().path.abs());
out = v.path().path.abs();
break;
case nNull:
out.write(nullptr);
break;
case nAttrs: {
auto maybeString = state.tryAttrsToString(pos, v, context, false, false);
if (maybeString) {
out.write(*maybeString);
out = *maybeString;
break;
}
auto i = v.attrs->find(state.sOutPath);
if (i == v.attrs->end()) {
auto obj(out.object());
out = json::object();
StringSet names;
for (auto & j : *v.attrs)
names.emplace(state.symbols[j.name]);
for (auto & j : names) {
Attr & a(*v.attrs->find(state.symbols.create(j)));
auto placeholder(obj.placeholder(j));
printValueAsJSON(state, strict, *a.value, a.pos, placeholder, context, copyToStore);
out[j] = printValueAsJSON(state, strict, *a.value, a.pos, context, copyToStore);
}
} else
printValueAsJSON(state, strict, *i->value, i->pos, out, context, copyToStore);
return printValueAsJSON(state, strict, *i->value, i->pos, context, copyToStore);
break;
}
case nList: {
auto list(out.list());
for (auto elem : v.listItems()) {
auto placeholder(list.placeholder());
printValueAsJSON(state, strict, *elem, pos, placeholder, context, copyToStore);
}
out = json::array();
for (auto elem : v.listItems())
out.push_back(printValueAsJSON(state, strict, *elem, pos, context, copyToStore));
break;
}
case nExternal:
v.external->printValueAsJSON(state, strict, out, context, copyToStore);
return v.external->printValueAsJSON(state, strict, context, copyToStore);
break;
case nFloat:
out.write(v.fpoint);
out = v.fpoint;
break;
case nThunk:
@ -94,17 +91,17 @@ void printValueAsJSON(EvalState & state, bool strict,
state.debugThrowLastTrace(e);
throw e;
}
return out;
}
void printValueAsJSON(EvalState & state, bool strict,
Value & v, const PosIdx pos, std::ostream & str, PathSet & context, bool copyToStore)
{
JSONPlaceholder out(str);
printValueAsJSON(state, strict, v, pos, out, context, copyToStore);
str << printValueAsJSON(state, strict, v, pos, context, copyToStore);
}
void ExternalValueBase::printValueAsJSON(EvalState & state, bool strict,
JSONPlaceholder & out, PathSet & context, bool copyToStore) const
json ExternalValueBase::printValueAsJSON(EvalState & state, bool strict,
PathSet & context, bool copyToStore) const
{
state.debugThrowLastTrace(TypeError("cannot convert %1% to JSON", showType()));
}