# Copyright (c) 2011 Google Inc. All rights reserved. # Use of this source code is governed by a BSD-style license that can be # found in the LICENSE file.
"""Using the JSON dumped by the dump-dependency-json generator,
generate input suitable for graphviz to render a dependency graph of
targets."""
# Copy out only the edges we're interested in from the full edge list.
target_edges = {}
to_visit = targets[:] while to_visit:
src = to_visit.pop() if src in target_edges: continue
target_edges[src] = edges[src]
to_visit.extend(edges[src])
return target_edges
def WriteGraph(edges): """Print a graphviz graph to stdout.
|edges| is a map of target to a list of other targets it depends on."""
# Bucket targets by file.
files = collections.defaultdict(list) for src, dst in edges.items():
build_file, target_name, toolset = ParseTarget(src)
files[build_file].append(src)
print('digraph D {')
print(' fontsize=8') # Used by subgraphs.
print(' node [fontsize=8]')
# Output nodes by file. We must first write out each node within # its file grouping before writing out any edges that may refer # to those nodes. for filename, targets in files.items(): if len(targets) == 1: # If there's only one node for this file, simplify # the display by making it a box without an internal node.
target = targets[0]
build_file, target_name, toolset = ParseTarget(target)
print(' "%s" [shape=box, label="%s\\n%s"]' % (target, filename,
target_name)) else: # Group multiple nodes together in a subgraph.
print(' subgraph "cluster_%s" {' % filename)
print(' label = "%s"' % filename) for target in targets:
build_file, target_name, toolset = ParseTarget(target)
print(' "%s" [label="%s"]' % (target, target_name))
print(' }')
# Now that we've placed all the nodes within subgraphs, output all # the edges between nodes. for src, dsts in edges.items(): for dst in dsts:
print(' "%s" -> "%s"' % (src, dst))
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.