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Diffstat (limited to 'deps/gyp/tools/graphviz.py')
-rwxr-xr-x | deps/gyp/tools/graphviz.py | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/deps/gyp/tools/graphviz.py b/deps/gyp/tools/graphviz.py deleted file mode 100755 index 326ae221cf..0000000000 --- a/deps/gyp/tools/graphviz.py +++ /dev/null @@ -1,100 +0,0 @@ -#!/usr/bin/env python - -# 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.""" - -import collections -import json -import sys - - -def ParseTarget(target): - target, _, suffix = target.partition('#') - filename, _, target = target.partition(':') - return filename, target, suffix - - -def LoadEdges(filename, targets): - """Load the edges map from the dump file, and filter it to only - show targets in |targets| and their depedendents.""" - - file = open('dump.json') - edges = json.load(file) - file.close() - - # 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) - - print '}' - - -def main(): - if len(sys.argv) < 2: - print >>sys.stderr, __doc__ - print >>sys.stderr - print >>sys.stderr, 'usage: %s target1 target2...' % (sys.argv[0]) - return 1 - - edges = LoadEdges('dump.json', sys.argv[1:]) - - WriteGraph(edges) - return 0 - - -if __name__ == '__main__': - sys.exit(main()) |