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-rw-r--r--lib/spack/spack/solver/asp.py44
1 files changed, 24 insertions, 20 deletions
diff --git a/lib/spack/spack/solver/asp.py b/lib/spack/spack/solver/asp.py
index 1546939f9f..a3bf90f5d1 100644
--- a/lib/spack/spack/solver/asp.py
+++ b/lib/spack/spack/solver/asp.py
@@ -750,7 +750,7 @@ class SpackSolverSetup(object):
)
)
else:
- clauses = self.spec_traverse_clauses(named_cond)
+ clauses = self.spec_clauses(named_cond, body=True)
self.gen.rule(
fn.declared_dependency(
@@ -776,17 +776,11 @@ class SpackSolverSetup(object):
clause,
self.gen._and(
fn.depends_on(dep.pkg.name, dep.spec.name),
- *self.spec_traverse_clauses(named_cond)
+ *self.spec_clauses(named_cond, body=True)
)
)
self.gen.newline()
- def spec_traverse_clauses(self, named_cond):
- clauses = []
- for d in named_cond.traverse():
- clauses.extend(self.spec_clauses(d, body=True))
- return clauses
-
def virtual_preferences(self, pkg_name, func):
"""Call func(vspec, provider, i) for each of pkg's provider prefs."""
config = spack.config.get("packages")
@@ -957,13 +951,15 @@ class SpackSolverSetup(object):
self.gen.fact(fn.compiler_version_flag(
compiler.name, compiler.version, name, flag))
- def spec_clauses(self, spec, body=False):
+ def spec_clauses(self, spec, body=False, transitive=True):
"""Return a list of clauses for a spec mandates are true.
Arguments:
spec (Spec): the spec to analyze
body (bool): if True, generate clauses to be used in rule bodies
(final values) instead of rule heads (setters).
+ transitive (bool): if False, don't generate clauses from
+ dependencies (default True)
"""
clauses = []
@@ -1049,8 +1045,17 @@ class SpackSolverSetup(object):
for flag in flags:
clauses.append(f.node_flag(spec.name, flag_type, flag))
- # TODO
- # namespace
+ # TODO: namespace
+
+ # dependencies
+ if spec.concrete:
+ clauses.append(fn.concrete(spec.name))
+ # TODO: add concrete depends_on() facts for concrete dependencies
+
+ # add all clauses from dependencies
+ if transitive:
+ for dep in spec.traverse(root=False):
+ clauses.extend(self.spec_clauses(dep, body, transitive=False))
return clauses
@@ -1265,6 +1270,7 @@ class SpackSolverSetup(object):
def define_virtual_constraints(self):
for vspec_str in sorted(self.virtual_constraints):
vspec = spack.spec.Spec(vspec_str)
+
self.gen.h2("Virtual spec: {0}".format(vspec_str))
providers = spack.repo.path.providers_for(vspec_str)
candidates = self.providers_by_vspec_name[vspec.name]
@@ -1426,15 +1432,13 @@ class SpackSolverSetup(object):
else:
self.gen.fact(fn.virtual_root(spec.name))
- for dep in spec.traverse():
- self.gen.h2('Spec: %s' % str(dep))
- if dep.virtual:
- for clause in self.virtual_spec_clauses(dep):
- self.gen.fact(clause)
- continue
-
- for clause in self.spec_clauses(dep):
- self.gen.fact(clause)
+ self.gen.h2('Spec: %s' % str(spec))
+ if spec.virtual:
+ clauses = self.virtual_spec_clauses(spec)
+ else:
+ clauses = self.spec_clauses(spec)
+ for clause in clauses:
+ self.gen.fact(clause)
self.gen.h1("Variant Values defined in specs")
self.define_variant_values()