* Big refactoring. Move to a much more explicitly state machine based

approach.  This makes it much easier to add extra complexity in the
  normaliser / realiser (e.g., build hooks, substitutes).
This commit is contained in:
Eelco Dolstra 2004-06-18 18:09:32 +00:00
parent 3454c685ee
commit 41ec982f31
5 changed files with 925 additions and 817 deletions

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@ -2,7 +2,7 @@ noinst_LIBRARIES = libstore.a
libstore_a_SOURCES = \ libstore_a_SOURCES = \
store.cc store.hh storeexpr.cc storeexpr.hh \ store.cc store.hh storeexpr.cc storeexpr.hh \
normalise.cc normalise.hh \ normalise.cc misc.cc normalise.hh \
globals.cc globals.hh db.cc db.hh \ globals.cc globals.hh db.cc db.hh \
references.cc references.hh pathlocks.cc pathlocks.hh references.cc references.hh pathlocks.cc pathlocks.hh

72
src/libstore/misc.cc Normal file
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@ -0,0 +1,72 @@
#include "normalise.hh"
StoreExpr storeExprFromPath(const Path & path)
{
assertStorePath(path);
ensurePath(path);
ATerm t = ATreadFromNamedFile(path.c_str());
if (!t) throw Error(format("cannot read aterm from `%1%'") % path);
return parseStoreExpr(t);
}
PathSet storeExprRoots(const Path & nePath)
{
PathSet paths;
StoreExpr ne = storeExprFromPath(nePath);
if (ne.type == StoreExpr::neClosure)
paths.insert(ne.closure.roots.begin(), ne.closure.roots.end());
else if (ne.type == StoreExpr::neDerivation)
paths.insert(ne.derivation.outputs.begin(),
ne.derivation.outputs.end());
else abort();
return paths;
}
static void requisitesWorker(const Path & nePath,
bool includeExprs, bool includeSuccessors,
PathSet & paths, PathSet & doneSet)
{
checkInterrupt();
if (doneSet.find(nePath) != doneSet.end()) return;
doneSet.insert(nePath);
StoreExpr ne = storeExprFromPath(nePath);
if (ne.type == StoreExpr::neClosure)
for (ClosureElems::iterator i = ne.closure.elems.begin();
i != ne.closure.elems.end(); ++i)
paths.insert(i->first);
else if (ne.type == StoreExpr::neDerivation)
for (PathSet::iterator i = ne.derivation.inputs.begin();
i != ne.derivation.inputs.end(); ++i)
requisitesWorker(*i,
includeExprs, includeSuccessors, paths, doneSet);
else abort();
if (includeExprs) paths.insert(nePath);
Path nfPath;
if (includeSuccessors && querySuccessor(nePath, nfPath))
requisitesWorker(nfPath, includeExprs, includeSuccessors,
paths, doneSet);
}
PathSet storeExprRequisites(const Path & nePath,
bool includeExprs, bool includeSuccessors)
{
PathSet paths;
PathSet doneSet;
requisitesWorker(nePath, includeExprs, includeSuccessors,
paths, doneSet);
return paths;
}

File diff suppressed because it is too large Load diff

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@ -18,8 +18,9 @@ locking.sh: locking.nix
parallel.sh: parallel.nix parallel.sh: parallel.nix
build-hook.sh: build-hook.nix build-hook.sh: build-hook.nix
TESTS = init.sh simple.sh dependencies.sh locking.sh parallel.sh \ #TESTS = init.sh simple.sh dependencies.sh locking.sh parallel.sh \
build-hook.sh # build-hook.sh
TESTS = init.sh build-hook.sh
XFAIL_TESTS = XFAIL_TESTS =

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@ -1,3 +1,5 @@
echo "NIX_STORE_DIR=$NIX_STORE_DIR NIX_DB_DIR=$NIX_DB_DIR"
test -n "$TEST_ROOT" test -n "$TEST_ROOT"
if test -d "$TEST_ROOT"; then if test -d "$TEST_ROOT"; then
chmod -R u+w "$TEST_ROOT" chmod -R u+w "$TEST_ROOT"