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https://github.com/privatevoid-net/nix-super.git
synced 2024-11-22 05:56:15 +02:00
Make source location info in the XML output optional.
* src/libexpr/expr-to-xml.cc (nix::showAttrs): Add `location' parameter. Provide location XML attributes when it's true. Update callers. (nix::printTermAsXML): Likewise. * src/libexpr/expr-to-xml.hh (nix::printTermAsXML): Update prototype; have `location' default to `false'. * src/nix-instantiate/nix-instantiate.cc (printResult, processExpr): Add `location' parameter; update callers. (run): Add support for `--no-location'. * src/nix-instantiate/help.txt: Update accordingly. * tests/lang.sh: Invoke `nix-instantiate' with `--no-location' for the XML tests. * tests/lang/eval-okay-toxml.exp, tests/lang/eval-okay-to-xml.nix: New files.
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471419d1fa
commit
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7 changed files with 29 additions and 19 deletions
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@ -24,11 +24,11 @@ typedef set<Expr> ExprSet;
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static void printTermAsXML(Expr e, XMLWriter & doc, PathSet & context,
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ExprSet & drvsSeen);
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ExprSet & drvsSeen, bool location);
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static void showAttrs(const ATermMap & attrs, XMLWriter & doc,
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PathSet & context, ExprSet & drvsSeen)
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PathSet & context, ExprSet & drvsSeen, bool location)
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{
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StringSet names;
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for (ATermMap::const_iterator i = attrs.begin(); i != attrs.end(); ++i)
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@ -43,7 +43,7 @@ static void showAttrs(const ATermMap & attrs, XMLWriter & doc,
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if(matchAttrRHS(attrRHS, attr, pos)) {
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ATerm path;
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int line, column;
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if (matchPos(pos, path, line, column)) {
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if (location && matchPos(pos, path, line, column)) {
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xmlAttrs["path"] = aterm2String(path);
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xmlAttrs["line"] = (format("%1%") % line).str();
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xmlAttrs["column"] = (format("%1%") % column).str();
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@ -52,7 +52,7 @@ static void showAttrs(const ATermMap & attrs, XMLWriter & doc,
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abort(); // Should not happen.
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XMLOpenElement _(doc, "attr", xmlAttrs);
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printTermAsXML(attr, doc, context, drvsSeen);
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printTermAsXML(attr, doc, context, drvsSeen, location);
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}
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}
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@ -83,7 +83,7 @@ static void printPatternAsXML(Pattern pat, XMLWriter & doc)
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static void printTermAsXML(Expr e, XMLWriter & doc, PathSet & context,
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ExprSet & drvsSeen)
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ExprSet & drvsSeen, bool location)
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{
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XMLAttrs attrs;
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string s;
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@ -137,28 +137,28 @@ static void printTermAsXML(Expr e, XMLWriter & doc, PathSet & context,
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if (drvsSeen.find(e) == drvsSeen.end()) {
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drvsSeen.insert(e);
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showAttrs(attrs, doc, context, drvsSeen);
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showAttrs(attrs, doc, context, drvsSeen, location);
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} else
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doc.writeEmptyElement("repeated");
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}
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else {
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XMLOpenElement _(doc, "attrs");
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showAttrs(attrs, doc, context, drvsSeen);
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showAttrs(attrs, doc, context, drvsSeen, location);
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}
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}
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else if (matchList(e, es)) {
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XMLOpenElement _(doc, "list");
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for (ATermIterator i(es); i; ++i)
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printTermAsXML(*i, doc, context, drvsSeen);
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printTermAsXML(*i, doc, context, drvsSeen, location);
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}
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else if (matchFunction(e, pat, body, pos)) {
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ATerm path;
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int line, column;
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XMLAttrs xmlAttrs;
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if (matchPos(pos, path, line, column)) {
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if (location && matchPos(pos, path, line, column)) {
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xmlAttrs["path"] = aterm2String(path);
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xmlAttrs["line"] = (format("%1%") % line).str();
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xmlAttrs["column"] = (format("%1%") % column).str();
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@ -172,12 +172,12 @@ static void printTermAsXML(Expr e, XMLWriter & doc, PathSet & context,
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}
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void printTermAsXML(Expr e, std::ostream & out, PathSet & context)
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void printTermAsXML(Expr e, std::ostream & out, PathSet & context, bool location)
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{
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XMLWriter doc(true, out);
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XMLOpenElement root(doc, "expr");
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ExprSet drvsSeen;
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printTermAsXML(e, doc, context, drvsSeen);
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printTermAsXML(e, doc, context, drvsSeen, location);
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}
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@ -9,7 +9,7 @@
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namespace nix {
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void printTermAsXML(Expr e, std::ostream & out, PathSet & context);
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void printTermAsXML(Expr e, std::ostream & out, PathSet & context, bool location = false);
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}
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@ -22,6 +22,8 @@ Options:
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For --eval-only / --parse-only:
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--xml: print an XML representation of the abstract syntax tree
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--no-location: don't provide source location information in the
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output XML tree
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For --eval-only:
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@ -38,13 +38,13 @@ static bool indirectRoot = false;
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static void printResult(EvalState & state, Expr e,
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bool evalOnly, bool xmlOutput, const ATermMap & autoArgs)
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bool evalOnly, bool xmlOutput, bool location, const ATermMap & autoArgs)
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{
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PathSet context;
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if (evalOnly)
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if (xmlOutput)
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printTermAsXML(e, std::cout, context);
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printTermAsXML(e, std::cout, context, location);
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else
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std::cout << format("%1%\n") % canonicaliseExpr(e);
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@ -67,7 +67,7 @@ static void printResult(EvalState & state, Expr e,
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void processExpr(EvalState & state, const Strings & attrPaths,
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bool parseOnly, bool strict, const ATermMap & autoArgs,
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bool evalOnly, bool xmlOutput, Expr e)
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bool evalOnly, bool xmlOutput, bool location, Expr e)
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{
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for (Strings::const_iterator i = attrPaths.begin(); i != attrPaths.end(); ++i) {
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Expr e2 = findAlongAttrPath(state, *i, autoArgs, e);
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@ -76,7 +76,7 @@ void processExpr(EvalState & state, const Strings & attrPaths,
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e2 = strictEvalExpr(state, e2);
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else
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e2 = evalExpr(state, e2);
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printResult(state, e2, evalOnly, xmlOutput, autoArgs);
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printResult(state, e2, evalOnly, xmlOutput, location, autoArgs);
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}
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}
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@ -89,6 +89,7 @@ void run(Strings args)
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bool evalOnly = false;
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bool parseOnly = false;
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bool xmlOutput = false;
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bool xmlOutputSourceLocation = true;
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bool strict = false;
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Strings attrPaths;
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ATermMap autoArgs(128);
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@ -124,6 +125,8 @@ void run(Strings args)
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indirectRoot = true;
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else if (arg == "--xml")
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xmlOutput = true;
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else if (arg == "--no-location")
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xmlOutputSourceLocation = false;
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else if (arg == "--strict")
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strict = true;
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else if (arg[0] == '-')
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@ -139,7 +142,7 @@ void run(Strings args)
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if (readStdin) {
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Expr e = parseStdin(state);
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processExpr(state, attrPaths, parseOnly, strict, autoArgs,
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evalOnly, xmlOutput, e);
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evalOnly, xmlOutput, xmlOutputSourceLocation, e);
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}
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for (Strings::iterator i = files.begin();
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@ -148,7 +151,7 @@ void run(Strings args)
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Path path = absPath(*i);
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Expr e = parseExprFromFile(state, path);
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processExpr(state, attrPaths, parseOnly, strict, autoArgs,
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evalOnly, xmlOutput, e);
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evalOnly, xmlOutput, xmlOutputSourceLocation, e);
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}
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printEvalStats(state);
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@ -54,7 +54,8 @@ for i in lang/eval-okay-*.nix; do
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fi
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if test -e lang/$i.exp.xml; then
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if ! $nixinstantiate --eval-only --xml --strict lang/$i.nix > lang/$i.out.xml; then
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if ! $nixinstantiate --eval-only --xml --no-location --strict \
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lang/$i.nix > lang/$i.out.xml; then
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echo "FAIL: $i should evaluate"
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fail=1
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elif ! cmp -s lang/$i.out.xml lang/$i.exp.xml; then
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1
tests/lang/eval-okay-toxml.exp
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1
tests/lang/eval-okay-toxml.exp
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@ -0,0 +1 @@
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Str("<?xml version='1.0' encoding='utf-8'?>\n<expr>\n <attrs>\n <attr name=\"a\">\n <string value=\"s\" />\n </attr>\n </attrs>\n</expr>\n",[])
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3
tests/lang/eval-okay-toxml.nix
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3
tests/lang/eval-okay-toxml.nix
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@ -0,0 +1,3 @@
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# Make sure the expected XML output is produced; in particular, make sure it
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# doesn't contain source location information.
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builtins.toXML { a = "s"; }
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