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llvm-build: Add --print-tree command line option.

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llvm-svn: 143625
This commit is contained in:
Daniel Dunbar 2011-11-03 17:56:18 +00:00
parent 53a6995401
commit 7bd392c820
1 changed files with 26 additions and 6 deletions
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32
utils/llvm-build/llvmbuild/main.py
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@ -54,11 +54,12 @@ class LLVMProjectInfo(object):
ci.name, ci.subpath, existing.subpath))
self.component_info_map[ci.name] = ci
# Add the root component, which does not go in any list.
# Add the root component.
if '$ROOT' in self.component_info_map:
fatal("project is not allowed to define $ROOT component")
self.component_info_map['$ROOT'] = componentinfo.GroupComponentInfo(
'/', '$ROOT', None)
self.component_infos.append(self.component_info_map['$ROOT'])
# Topologically order the component information according to their
# component references.
@ -80,11 +81,12 @@ class LLVMProjectInfo(object):
components_to_visit.remove(ci)
# Validate the parent reference, which we treat specially.
parent = self.component_info_map.get(ci.parent)
if parent is None:
fatal("component %r has invalid reference %r (via %r)" % (
ci.name, ci.parent, 'parent'))
ci.set_parent_instance(parent)
if ci.parent is not None:
parent = self.component_info_map.get(ci.parent)
if parent is None:
fatal("component %r has invalid reference %r (via %r)" % (
ci.name, ci.parent, 'parent'))
ci.set_parent_instance(parent)
for relation,referent_name in ci.get_component_references():
# Validate that the reference is ok.
@ -113,12 +115,26 @@ class LLVMProjectInfo(object):
while components_to_visit:
visit_component_info(iter(components_to_visit).next(), [], set())
# Canonicalize children lists.
for c in self.ordered_component_infos:
c.children.sort(key = lambda c: c.name)
def print_tree(self):
def visit(node, depth = 0):
print '%s%-40s (%s)' % (' '*depth, node.name, node.type_name)
for c in node.children:
visit(c, depth + 1)
visit(self.component_info_map['$ROOT'])
def main():
from optparse import OptionParser, OptionGroup
parser = OptionParser("usage: %prog [options]")
parser.add_option("", "--source-root", dest="source_root", metavar="PATH",
help="Path to the LLVM source (inferred if not given)",
action="store", default=None)
parser.add_option("", "--print-tree", dest="print_tree",
help="Print out the project component tree [%default]",
action="store_true", default=False)
parser.add_option(
"", "--llvmbuild-source-root", dest="llvmbuild_source_root",
help="If given, an alternate path to search for LLVMBuild.txt files",
@ -145,5 +161,9 @@ def main():
project_info = LLVMProjectInfo.load_from_path(
source_root, llvmbuild_source_root)
# Print the component tree, if requested.
if opts.print_tree:
project_info.print_tree()
if __name__=='__main__':
main()