mirror of
https://github.com/dart-lang/sdk
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c7d5711688
Cleans up Python Code in Build Tools TEST: build everything and run tests BUG: https://code.google.com/p/dart/issues/detail?id=19592 R=ricow@google.com Review URL: https://codereview.chromium.org//350483003 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@38573 260f80e4-7a28-3924-810f-c04153c831b5
139 lines
4.4 KiB
Python
Executable file
139 lines
4.4 KiB
Python
Executable file
#!/usr/bin/env python
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# Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
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# for details. All rights reserved. Use of this source code is governed by a
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# BSD-style license that can be found in the LICENSE file.
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"""Used to merge and copy dart source files for deployment to AppEngine"""
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import fileinput
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import sys
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import os
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import re
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from os.path import basename, dirname, exists, isabs, join
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from glob import glob
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re_directive = re.compile(
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r'^(library|import|part|native|resource)\s+(.*);$')
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re_comment = re.compile(
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r'^(///|/\*| \*).*$')
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class Library(object):
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def __init__(self, name, imports, sources, natives, code, comment):
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self.name = name
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self.imports = imports
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self.sources = sources
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self.natives = natives
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self.code = code
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self.comment = comment
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def parseLibrary(library):
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""" Parses a .dart source file that is the root of a library, and returns
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information about it: the name, the imports, included sources, and any
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code in the file.
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"""
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libraryname = None
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imports = []
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sources = []
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natives = []
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inlinecode = []
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librarycomment = []
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if exists(library):
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# TODO(sigmund): stop parsing when import/source
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for line in fileinput.input(library):
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match = re_directive.match(line)
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if match:
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directive = match.group(1)
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if directive == 'library':
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assert libraryname is None
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libraryname = match.group(2)
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elif directive == 'part':
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suffix = match.group(2)
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if not suffix.startswith('of '):
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sources.append(match.group(2).strip('"\''))
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elif directive == 'import':
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imports.append(match.group(2))
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else:
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raise Exception('unknown directive %s in %s' % (directive, line))
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else:
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# Check for library comment.
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if not libraryname and re_comment.match(line):
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librarycomment.append(line)
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else:
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inlinecode.append(line)
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fileinput.close()
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return Library(libraryname, imports, sources, natives, inlinecode,
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librarycomment)
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def normjoin(*args):
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return os.path.normpath(os.path.join(*args))
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def mergefiles(srcs, dstfile):
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for src in srcs:
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with open(src, 'r') as s:
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for line in s:
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if not line.startswith('part of '):
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dstfile.write(line)
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def main(outdir = None, *inputs):
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if not outdir or not inputs:
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print "Usage: %s OUTDIR INPUTS" % sys.argv[0]
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print " OUTDIR is the war directory to copy to"
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print " INPUTS is a list of files or patterns used to specify the input"
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print " .dart files"
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print "This script should be run from the client root directory."
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print "Files will be merged and copied to: OUTDIR/relative-path-of-file,"
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print "except for dart files with absolute paths, which will be copied to"
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print " OUTDIR/absolute-path-as-directories"
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return 1
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entry_libraries = []
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for i in inputs:
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entry_libraries.extend(glob(i))
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for entrypoint in entry_libraries:
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# Get the transitive set of dart files this entrypoint depends on, merging
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# each library along the way.
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worklist = [os.path.normpath(entrypoint)]
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seen = set()
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while len(worklist) > 0:
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lib = worklist.pop()
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if lib in seen:
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continue
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seen.add(lib)
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if (dirname(dirname(lib)).endswith('dom/generated/src')
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or dirname(lib).endswith('dom/src')):
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continue
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library = parseLibrary(lib)
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# Ensure output directory exists
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outpath = join(outdir, lib[1:] if isabs(lib) else lib)
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dstpath = dirname(outpath)
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if not exists(dstpath):
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os.makedirs(dstpath)
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# Create file containing all imports, and inlining all sources
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with open(outpath, 'w') as f:
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if library.name:
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if library.comment:
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f.write('%s' % (''.join(library.comment)))
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f.write("library %s;\n\n" % library.name)
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else:
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f.write("library %s;\n\n" % basename(lib))
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for importfile in library.imports:
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f.write("import %s;\n" % importfile)
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f.write('%s' % (''.join(library.code)))
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mergefiles([normjoin(dirname(lib), s) for s in library.sources], f)
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for suffix in library.imports:
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m = re.match(r'[\'"]([^\'"]+)[\'"](\s+as\s+\w+)?.*$', suffix)
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uri = m.group(1)
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if not uri.startswith('dart:'):
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worklist.append(normjoin(dirname(lib), uri))
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return 0
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if __name__ == '__main__':
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sys.exit(main(*sys.argv[1:]))
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