68 lines
1.6 KiB
C++
68 lines
1.6 KiB
C++
#include "get-drvs.hh"
|
|
#include "nixexpr-ast.hh"
|
|
|
|
|
|
bool getDerivation(EvalState & state, Expr e, DrvInfo & drv)
|
|
{
|
|
ATermList es;
|
|
e = evalExpr(state, e);
|
|
if (!matchAttrs(e, es)) return false;
|
|
|
|
ATermMap attrs;
|
|
queryAllAttrs(e, attrs, false);
|
|
|
|
Expr a = attrs.get("type");
|
|
if (!a || evalString(state, a) != "derivation") return false;
|
|
|
|
a = attrs.get("name");
|
|
if (!a) throw badTerm("derivation name missing", e);
|
|
drv.name = evalString(state, a);
|
|
|
|
a = attrs.get("system");
|
|
if (!a)
|
|
drv.system = "unknown";
|
|
else
|
|
drv.system = evalString(state, a);
|
|
|
|
drv.attrs = attrs;
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
void getDerivations(EvalState & state, Expr e, DrvInfos & drvs)
|
|
{
|
|
ATermList es;
|
|
DrvInfo drv;
|
|
|
|
e = evalExpr(state, e);
|
|
|
|
if (getDerivation(state, e, drv))
|
|
drvs.push_back(drv);
|
|
|
|
else if (matchAttrs(e, es)) {
|
|
ATermMap drvMap;
|
|
queryAllAttrs(e, drvMap);
|
|
for (ATermIterator i(drvMap.keys()); i; ++i) {
|
|
debug(format("evaluating attribute `%1%'") % aterm2String(*i));
|
|
if (getDerivation(state, drvMap.get(*i), drv))
|
|
drvs.push_back(drv);
|
|
else
|
|
;
|
|
// parseDerivations(state, drvMap.get(*i), drvs);
|
|
}
|
|
}
|
|
|
|
else if (matchList(e, es)) {
|
|
for (ATermIterator i(es); i; ++i) {
|
|
debug(format("evaluating list element"));
|
|
if (getDerivation(state, *i, drv))
|
|
drvs.push_back(drv);
|
|
else
|
|
getDerivations(state, *i, drvs);
|
|
}
|
|
}
|
|
}
|
|
|
|
|