Make Compiler constructor behave like Spec constructor.

lib/spack/spack/cmd/compilers.py

@@ -24,11 +24,20 @@
 ##############################################################################
 import llnl.util.tty as tty
 from llnl.util.tty.colify import colify
+from llnl.util.lang import index_by
 
 import spack.compilers
+import spack.spec
 
 description = "List available compilers"
 
+
 def compilers(parser, args):
-    tty.msg("Supported compilers")
-    colify(spack.compilers.supported_compilers(), indent=4)
+    tty.msg("Available compilers")
+
+    # Index compilers
+    index = index_by(spack.compilers.supported_compilers(), 'name')
+
+    for name, compilers in index.items():
+        tty.hline(name, char='=', color=spack.spec.compiler_color)
+        colify(compilers, indent=4)

lib/spack/spack/cmd/find.py

@@ -29,7 +29,7 @@
 import llnl.util.tty as tty
 from llnl.util.tty.colify import colify
 from llnl.util.tty.color import *
-from llnl.util.lang import partition_list
+from llnl.util.lang import partition_list, index_by
 
 import spack
 import spack.spec
@@ -49,9 +49,6 @@ def setup_parser(subparser):
 
 
 def find(parser, args):
-    def hasher():
-        return collections.defaultdict(hasher)
-
     # Filter out specs that don't exist.
     query_specs = spack.cmd.parse_specs(args.query_specs)
     query_specs, nonexisting = partition_list(
@@ -64,15 +61,9 @@ def hasher():
             return
 
     # Make a dict with specs keyed by architecture and compiler.
-    index = hasher()
-    for spec in spack.db.installed_package_specs():
-        # Check whether this installed package matches any query.
-        if query_specs and not any(spec.satisfies(q) for q in query_specs):
-            continue
-
-        if spec.compiler not in index[spec.architecture]:
-            index[spec.architecture][spec.compiler] = []
-        index[spec.architecture][spec.compiler].append(spec)
+    specs = [s for s in spack.db.installed_package_specs()
+             if not query_specs or any(spec.satisfies(q) for q in query_specs)]
+    index = index_by(specs, 'architecture', 'compiler')
 
     # Traverse the index and print out each package
     for architecture in index:

lib/spack/spack/compiler.py

@@ -7,7 +7,7 @@
 from subprocess import check_output
 
 
-def _verify_compiler(*paths):
+def _verify_executables(*paths):
     for path in paths:
         if not os.path.isfile(path) and os.access(path, os.X_OK):
             raise InvalidCompilerPathError(path)
@@ -37,13 +37,13 @@ class Compiler(object):
 
 
     def __init__(self, cc, cxx, f77, f90):
-        _verify_compiler(cc, cxx, f77, f90)
+        _verify_executables(cc, cxx, f77, f90)
+
         self.cc  = Executable(cc)
         self.cxx = Executable(cxx)
         self.f77 = Executable(f77)
         self.f90 = Executable(f90)
 
-
     @property
     @memoized
     def version(self):

lib/spack/spack/compilers/__init__.py

@@ -26,16 +26,19 @@
 # This needs to be expanded for full compiler support.
 #
 from llnl.util.lang import memoized, list_modules
+
 import spack
 import spack.compilers.gcc
+import spack.spec
 
 @memoized
 def supported_compilers():
-    return [c for c in list_modules(spack.compilers_path)]
+    return [spack.spec.Compiler(c) for c in list_modules(spack.compilers_path)]
 
 
 def supported(compiler):
-    return compiler in supported_compilers()
+    return True
+#    return compiler in supported_compilers()
 
 
 @memoized

lib/spack/spack/globals.py

@@ -43,14 +43,17 @@
 lib_path       = join_path(prefix, "lib", "spack")
 build_env_path = join_path(lib_path, "env")
 module_path    = join_path(lib_path, "spack")
-compilers_path = join_path(module_path, "compilers")
 test_path      = join_path(module_path, "test")
-
 var_path       = join_path(prefix, "var", "spack")
 stage_path     = join_path(var_path, "stage")
 
 install_path   = join_path(prefix, "opt")
 
+#
+# Place to look for usable compiler installations
+#
+compilers_path = join_path(var_path, "compilers")
+
 #
 # Set up the packages database.
 #

lib/spack/spack/spec.py

@@ -173,10 +173,15 @@ class Compiler(object):
     """The Compiler field represents the compiler or range of compiler
        versions that a package should be built with.  Compilers have a
        name and a version list. """
-    def __init__(self, name, version=None):
+    def __init__(self, compiler_spec_like):
+        c = SpecParser().parse_compiler(compiler_spec_like)
+        self.name = c.name
+        self.versions = c.versions
+
+
+    def __init__(self, name, version):
         self.name = name
         self.versions = VersionList()
-        if version:
         self.versions.add(version)
 
 
@@ -210,7 +215,8 @@ def version(self):
 
 
     def copy(self):
-        clone = Compiler(self.name)
+        clone = Compiler.__new__(Compiler)
+        clone.name = self.name
         clone.versions = self.versions.copy()
         return clone
 
@@ -1188,6 +1194,11 @@ def do_parse(self):
         return specs
 
 
+    def parse_compiler(self, text):
+        self.setup(text)
+        return self.compiler()
+
+
     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."""
@@ -1279,7 +1290,10 @@ def version_list(self):
     def compiler(self):
         self.expect(ID)
         self.check_identifier()
-        compiler = Compiler(self.token.value)
+
+        compiler = Compiler.__new__(Compiler)
+        compiler.name = self.token.value
+        compiler.versions = VersionList()
         if self.accept(AT):
             vlist = self.version_list()
             for version in vlist: