Dependencies

• [2] 4N5APGRG * Start of a helper tool to evaluate job expressions efficiently.

Change contents

• replacement in src/c/eval-jobs.cc at line 8
  [2.425]→[2.425:451](∅→∅)
  − #include "expr-to-xml.hh"
  [2.425]

  [2.451]
  + #include "nixexpr-ast.hh"

  + #include "util.hh"

  + #include "xml-writer.hh"
• edit in src/c/eval-jobs.cc at line 18
  [2.541]

  [2.541]
  + }

  +

  +

  + Expr evalAttr(EvalState & state, Expr e)

  + {

  + return e ? evalExpr(state, e) : e;

  + }

  +

  +

  + static void findJobs(EvalState & state, XMLWriter & doc,

  + Expr e, const string & attrPath)

  + {

  + std::cerr << "at `" << attrPath << "'\n";

  +

  + e = evalExpr(state, e);

  +

  + ATermList as, es;

  + ATerm pat, body, pos;

  + string s;

  + PathSet context;

  +

  + if (matchAttrs(e, as)) {

  + ATermMap attrs;

  + queryAllAttrs(e, attrs);

  +

  + Expr a = evalAttr(state, attrs.get(toATerm("type")));

  + if (a && matchStr(a, s, context) && s == "derivation") {

  + std::cerr << "derivation\n";

  +

  + XMLAttrs xmlAttrs;

  + Path outPath, drvPath;

  +

  + xmlAttrs["name"] = attrPath;

  +

  + a = evalAttr(state, attrs.get(toATerm("drvPath")));

  + if (matchStr(a, drvPath, context)) xmlAttrs["drvPath"] = drvPath;

  +

  + a = evalAttr(state, attrs.get(toATerm("outPath")));

  + if (matchStr(a, outPath, context)) xmlAttrs["outPath"] = outPath;

  +

  + XMLOpenElement _(doc, "job", xmlAttrs);

  + }

  +

  + else {

  + std::cerr << "attrset\n";

  + foreach (ATermMap::const_iterator, i, attrs)

  + findJobs(state, doc, i->value,

  + (attrPath.empty() ? "" : attrPath + ".") + aterm2String(i->key));

  + }

  + }

  +

  + else if (matchFunction(e, pat, body, pos)) {

  + std::cerr << "function\n";

  + }

  +

  + else

  + std::cerr << showValue(e) << "\n";
• replacement in src/c/eval-jobs.cc at line 93
  [2.881]→[2.881:1019](∅→∅)
  − Expr e = evalExpr(state, parseExprFromFile(state, releaseExpr));

  −

  − PathSet context;

  − printTermAsXML(e, std::cout, context);
  [2.881]

  [2.1019]
  + Expr e = parseExprFromFile(state, releaseExpr);

  +

  + XMLWriter doc(true, std::cout);

  + XMLOpenElement root(doc, "jobs");

  + findJobs(state, doc, e, "");