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* Sync with the trunk.

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This commit is contained in:
Eelco Dolstra 2010-05-07 14:46:47 +00:00
parent 01e58adce0 4750065ada
commit 83dfa89870
13 changed files with 71 additions and 28 deletions
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8
corepkgs/buildenv/builder.pl.in
View file

@ -29,10 +29,18 @@ sub createLinks {
$baseName =~ s/^.*\///g; # strip directory
my $dstFile = "$dstDir/$baseName";
# The files below are special-cased so that they don't show up
# in user profiles, either because they are useless, or
# because they would cause pointless collisions (e.g., each
# Python package brings its own
# `$out/lib/pythonX.Y/site-packages/easy-install.pth'.)
# Urgh, hacky...
if ($srcFile =~ /\/propagated-build-inputs$/ ||
$srcFile =~ /\/nix-support$/ ||
$srcFile =~ /\/perllocal.pod$/ ||
$srcFile =~ /\/easy-install.pth$/ ||
$srcFile =~ /\/site.py$/ ||
$srcFile =~ /\/site.pyc$/ ||
$srcFile =~ /\/info\/dir$/ ||
$srcFile =~ /\/log$/)
{

2
doc/manual/nix-store.xml
View file

@ -342,7 +342,7 @@ $ nix-store --gc --max-freed $((100 * 1024 * 1024))</screen>
<cmdsynopsis>
<command>nix-store</command>
<arg choice='plain'><option>--gc</option></arg>
<arg choice='plain'><option>--delete</option></arg>
<arg><option>--ignore-liveness</option></arg>
<arg choice='plain' rep='repeat'><replaceable>paths</replaceable></arg>
</cmdsynopsis>

2
src/libexpr/primops.cc
View file

@ -582,7 +582,7 @@ static void prim_toXML(EvalState & state, Value * * args, Value & v)
{
std::ostringstream out;
PathSet context;
printValueAsXML(state, true, *args[0], out, context);
printValueAsXML(state, true, false, *args[0], out, context);
mkString(v, out.str(), context);
}

58
src/libexpr/value-to-xml.cc
View file

@ -16,26 +16,40 @@ static XMLAttrs singletonAttrs(const string & name, const string & value)
}
static void printValueAsXML(EvalState & state, bool strict, Value & v,
XMLWriter & doc, PathSet & context, PathSet & drvsSeen);
static void printValueAsXML(EvalState & state, bool strict, bool location,
Value & v, XMLWriter & doc, PathSet & context, PathSet & drvsSeen);
static void showAttrs(EvalState & state, bool strict, Bindings & attrs,
XMLWriter & doc, PathSet & context, PathSet & drvsSeen)
static void posToXML(XMLAttrs & xmlAttrs, const Pos & pos)
{
xmlAttrs["path"] = pos.file;
xmlAttrs["line"] = (format("%1%") % pos.line).str();
xmlAttrs["column"] = (format("%1%") % pos.column).str();
}
static void showAttrs(EvalState & state, bool strict, bool location,
Bindings & attrs, XMLWriter & doc, PathSet & context, PathSet & drvsSeen)
{
StringSet names;
foreach (Bindings::iterator, i, attrs)
names.insert(i->first);
foreach (StringSet::iterator, i, names) {
XMLOpenElement _(doc, "attr", singletonAttrs("name", *i));
printValueAsXML(state, strict, attrs[state.symbols.create(*i)].value,
doc, context, drvsSeen);
Attr & a(attrs[state.symbols.create(*i)]);
XMLAttrs xmlAttrs;
xmlAttrs["name"] = *i;
if (location && a.pos != &noPos) posToXML(xmlAttrs, *a.pos);
XMLOpenElement _(doc, "attr", xmlAttrs);
printValueAsXML(state, strict, location,
a.value, doc, context, drvsSeen);
}
}
static void printValueAsXML(EvalState & state, bool strict, Value & v,
XMLWriter & doc, PathSet & context, PathSet & drvsSeen)
static void printValueAsXML(EvalState & state, bool strict, bool location,
Value & v, XMLWriter & doc, PathSet & context, PathSet & drvsSeen)
{
checkInterrupt();
@ -72,25 +86,31 @@ static void printValueAsXML(EvalState & state, bool strict, Value & v,
Path drvPath;
a = v.attrs->find(state.sDrvPath);
if (a != v.attrs->end() && a->second.value.type == tString)
if (a != v.attrs->end()) {
if (strict) state.forceValue(a->second.value);
if (a->second.value.type == tString)
xmlAttrs["drvPath"] = drvPath = a->second.value.string.s;
}
a = v.attrs->find(state.sOutPath);
if (a != v.attrs->end() && a->second.value.type == tString)
if (a != v.attrs->end()) {
if (strict) state.forceValue(a->second.value);
if (a->second.value.type == tString)
xmlAttrs["outPath"] = a->second.value.string.s;
}
XMLOpenElement _(doc, "derivation", xmlAttrs);
if (drvPath != "" && drvsSeen.find(drvPath) == drvsSeen.end()) {
drvsSeen.insert(drvPath);
showAttrs(state, strict, *v.attrs, doc, context, drvsSeen);
showAttrs(state, strict, location, *v.attrs, doc, context, drvsSeen);
} else
doc.writeEmptyElement("repeated");
}
else {
XMLOpenElement _(doc, "attrs");
showAttrs(state, strict, *v.attrs, doc, context, drvsSeen);
showAttrs(state, strict, location, *v.attrs, doc, context, drvsSeen);
}
break;
@ -98,12 +118,15 @@ static void printValueAsXML(EvalState & state, bool strict, Value & v,
case tList: {
XMLOpenElement _(doc, "list");
for (unsigned int n = 0; n < v.list.length; ++n)
printValueAsXML(state, strict, *v.list.elems[n], doc, context, drvsSeen);
printValueAsXML(state, strict, location, *v.list.elems[n], doc, context, drvsSeen);
break;
}
case tLambda: {
XMLOpenElement _(doc, "function");
XMLAttrs xmlAttrs;
if (location) posToXML(xmlAttrs, v.lambda.fun->pos);
XMLOpenElement _(doc, "function", xmlAttrs);
if (v.lambda.fun->matchAttrs) {
XMLAttrs attrs;
if (!v.lambda.fun->arg.empty()) attrs["name"] = v.lambda.fun->arg;
@ -113,6 +136,7 @@ static void printValueAsXML(EvalState & state, bool strict, Value & v,
doc.writeEmptyElement("attr", singletonAttrs("name", i->name));
} else
doc.writeEmptyElement("varpat", singletonAttrs("name", v.lambda.fun->arg));
break;
}
@ -122,13 +146,13 @@ static void printValueAsXML(EvalState & state, bool strict, Value & v,
}
void printValueAsXML(EvalState & state, bool strict,
void printValueAsXML(EvalState & state, bool strict, bool location,
Value & v, std::ostream & out, PathSet & context)
{
XMLWriter doc(true, out);
XMLOpenElement root(doc, "expr");
PathSet drvsSeen;
printValueAsXML(state, strict, v, doc, context, drvsSeen);
printValueAsXML(state, strict, location, v, doc, context, drvsSeen);
}

2
src/libexpr/value-to-xml.hh
View file

@ -9,7 +9,7 @@
namespace nix {
void printValueAsXML(EvalState & state, bool strict,
void printValueAsXML(EvalState & state, bool strict, bool location,
Value & v, std::ostream & out, PathSet & context);
}

1
src/libutil/xml-writer.cc
View file

@ -91,6 +91,7 @@ void XMLWriter::writeAttrs(const XMLAttrs & attrs)
char c = i->second[j];
if (c == '"') output << "&quot;";
else if (c == '<') output << "&lt;";
else if (c == '>') output << "&gt;";
else if (c == '&') output << "&amp;";
/* Escape newlines to prevent attribute normalisation (see
XML spec, section 3.3.3. */

2
src/nix-instantiate/help.txt
View file

@ -22,6 +22,8 @@ Options:
For --eval-only / --parse-only:
--xml: print an XML representation of the abstract syntax tree
--no-location: don't provide source location information in the
output XML tree
For --eval-only:

11
src/nix-instantiate/nix-instantiate.cc
View file

@ -39,7 +39,7 @@ static bool indirectRoot = false;
void processExpr(EvalState & state, const Strings & attrPaths,
bool parseOnly, bool strict, const Bindings & autoArgs,
bool evalOnly, bool xmlOutput, Expr * e)
bool evalOnly, bool xmlOutput, bool location, Expr * e)
{
if (parseOnly)
std::cout << format("%1%\n") % *e;
@ -52,7 +52,7 @@ void processExpr(EvalState & state, const Strings & attrPaths,
PathSet context;
if (evalOnly)
if (xmlOutput)
printValueAsXML(state, strict, v, std::cout, context);
printValueAsXML(state, strict, location, v, std::cout, context);
else {
if (strict) state.strictForceValue(v);
std::cout << v << std::endl;
@ -83,6 +83,7 @@ void run(Strings args)
bool evalOnly = false;
bool parseOnly = false;
bool xmlOutput = false;
bool xmlOutputSourceLocation = true;
bool strict = false;
Strings attrPaths;
Bindings autoArgs;
@ -116,6 +117,8 @@ void run(Strings args)
indirectRoot = true;
else if (arg == "--xml")
xmlOutput = true;
else if (arg == "--no-location")
xmlOutputSourceLocation = false;
else if (arg == "--strict")
strict = true;
else if (arg[0] == '-')
@ -131,14 +134,14 @@ void run(Strings args)
if (readStdin) {
Expr * e = parseStdin(state);
processExpr(state, attrPaths, parseOnly, strict, autoArgs,
evalOnly, xmlOutput, e);
evalOnly, xmlOutput, xmlOutputSourceLocation, e);
}
foreach (Strings::iterator, i, files) {
Path path = absPath(*i);
Expr * e = parseExprFromFile(state, path);
processExpr(state, attrPaths, parseOnly, strict, autoArgs,
evalOnly, xmlOutput, e);
evalOnly, xmlOutput, xmlOutputSourceLocation, e);
}
state.printStats();

3
tests/lang.sh
View file

@ -50,7 +50,8 @@ for i in lang/eval-okay-*.nix; do
fi
if test -e lang/$i.exp.xml; then
if ! $nixinstantiate --eval-only --xml --strict lang/$i.nix > lang/$i.out.xml; then
if ! $nixinstantiate --eval-only --xml --no-location --strict \
lang/$i.nix > lang/$i.out.xml; then
echo "FAIL: $i should evaluate"
fail=1
elif ! cmp -s lang/$i.out.xml lang/$i.exp.xml; then

1
tests/lang/eval-okay-toxml.exp Normal file
View file

@ -0,0 +1 @@
"<?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"

3
tests/lang/eval-okay-toxml.nix Normal file
View file

@ -0,0 +1,3 @@
# Make sure the expected XML output is produced; in particular, make sure it
# doesn't contain source location information.
builtins.toXML { a = "s"; }

0
tests/lang/eval-okay-to-xml.exp → tests/lang/eval-okay-toxml2.exp
View file

0
tests/lang/eval-okay-to-xml.nix → tests/lang/eval-okay-toxml2.nix
View file