diff options
Diffstat (limited to 'lib/spack/spack/spec.py')
| -rw-r--r-- | lib/spack/spack/spec.py | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/lib/spack/spack/spec.py b/lib/spack/spack/spec.py index 7b79feb311..430cf9b66f 100644 --- a/lib/spack/spack/spec.py +++ b/lib/spack/spack/spec.py @@ -1680,10 +1680,11 @@ class SpecParser(spack.parse.Parser): elif self.accept(DEP): if not specs: - self.last_token_error("Dependency has no package") + specs.append(self.empty_spec()) self.expect(ID) specs[-1]._add_dependency(self.spec()) - + for spec in specs: + print spec else: self.unexpected_token() except spack.parse.ParseError, e: @@ -1697,6 +1698,34 @@ class SpecParser(spack.parse.Parser): return self.compiler() + def empty_spec(self): + """Create a Null spec from which dependency constraints can be hung""" + spec = Spec.__new__(Spec) + spec.name = "any-pkg-name" +# spec.name = None + spec.versions = VersionList() + spec.variants = VariantMap(spec) + spec.architecture = None + spec.compiler = None + spec.dependents = DependencyMap() + spec.dependencies = DependencyMap() + + #Should we be able to add cflags eventually? + while self.next: + if self.accept(ON): + spec._add_variant(self.variant(), True) + + elif self.accept(OFF): + spec._add_variant(self.variant(), False) + + elif self.accept(PCT): + spec._set_compiler(self.compiler()) + + else: + break + + return spec + def spec(self): """Parse a spec out of the input. If a spec is supplied, then initialize and return it instead of creating a new one.""" |