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160 lines
5.1 KiB
160 lines
5.1 KiB
#!/usr/bin/env python
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#
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# Copyright (C) 2009 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""
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Usage: java-event-log-tags.py [-o output_file] <input_file> <merged_tags_file>
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Generate a java class containing constants for each of the event log
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tags in the given input file.
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-h to display this usage message and exit.
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"""
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import cStringIO
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import getopt
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import os
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import os.path
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import re
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import sys
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import event_log_tags
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output_file = None
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try:
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opts, args = getopt.getopt(sys.argv[1:], "ho:")
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except getopt.GetoptError, err:
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print str(err)
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print __doc__
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sys.exit(2)
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for o, a in opts:
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if o == "-h":
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print __doc__
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sys.exit(2)
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elif o == "-o":
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output_file = a
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else:
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print >> sys.stderr, "unhandled option %s" % (o,)
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sys.exit(1)
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if len(args) != 1 and len(args) != 2:
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print "need one or two input files, not %d" % (len(args),)
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print __doc__
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sys.exit(1)
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fn = args[0]
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tagfile = event_log_tags.TagFile(fn)
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if len(args) > 1:
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# Load the merged tag file (which should have numbers assigned for all
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# tags. Use the numbers from the merged file to fill in any missing
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# numbers from the input file.
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merged_fn = args[1]
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merged_tagfile = event_log_tags.TagFile(merged_fn)
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merged_by_name = dict([(t.tagname, t) for t in merged_tagfile.tags])
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for t in tagfile.tags:
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if t.tagnum is None:
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if t.tagname in merged_by_name:
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t.tagnum = merged_by_name[t.tagname].tagnum
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else:
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# We're building something that's not being included in the
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# product, so its tags don't appear in the merged file. Assign
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# them all an arbitrary number so we can emit the java and
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# compile the (unused) package.
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t.tagnum = 999999
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else:
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# Not using the merged tag file, so all tags must have manually assigned
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# numbers
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for t in tagfile.tags:
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if t.tagnum is None:
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tagfilef.AddError("tag \"%s\" has no number" % (tagname,), tag.linenum)
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if "java_package" not in tagfile.options:
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tagfile.AddError("java_package option not specified", linenum=0)
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hide = True
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if "javadoc_hide" in tagfile.options:
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hide = event_log_tags.BooleanFromString(tagfile.options["javadoc_hide"][0])
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if tagfile.errors:
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for fn, ln, msg in tagfile.errors:
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print >> sys.stderr, "%s:%d: error: %s" % (fn, ln, msg)
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sys.exit(1)
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buffer = cStringIO.StringIO()
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buffer.write("/* This file is auto-generated. DO NOT MODIFY.\n"
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" * Source file: %s\n"
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" */\n\n" % (fn,))
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buffer.write("package %s;\n\n" % (tagfile.options["java_package"][0],))
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basename, _ = os.path.splitext(os.path.basename(fn))
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if hide:
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buffer.write("/**\n"
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" * @hide\n"
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" */\n")
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buffer.write("public class %s {\n" % (basename,))
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buffer.write(" private %s() { } // don't instantiate\n" % (basename,))
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for t in tagfile.tags:
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if t.description:
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buffer.write("\n /** %d %s %s */\n" % (t.tagnum, t.tagname, t.description))
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else:
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buffer.write("\n /** %d %s */\n" % (t.tagnum, t.tagname))
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buffer.write(" public static final int %s = %d;\n" %
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(t.tagname.upper(), t.tagnum))
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keywords = frozenset(["abstract", "continue", "for", "new", "switch", "assert",
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"default", "goto", "package", "synchronized", "boolean",
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"do", "if", "private", "this", "break", "double",
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"implements", "protected", "throw", "byte", "else",
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"import", "public", "throws", "case", "enum",
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"instanceof", "return", "transient", "catch", "extends",
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"int", "short", "try", "char", "final", "interface",
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"static", "void", "class", "finally", "long", "strictfp",
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"volatile", "const", "float", "native", "super", "while"])
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def javaName(name):
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out = name[0].lower() + re.sub(r"[^A-Za-z0-9]", "", name.title())[1:]
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if out in keywords:
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out += "_"
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return out
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javaTypes = ["ERROR", "int", "long", "String", "Object[]", "float"]
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for t in tagfile.tags:
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methodName = javaName("write_" + t.tagname)
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if t.description:
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args = [arg.strip("() ").split("|") for arg in t.description.split(",")]
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else:
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args = []
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argTypesNames = ", ".join([javaTypes[int(arg[1])] + " " + javaName(arg[0]) for arg in args])
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argNames = "".join([", " + javaName(arg[0]) for arg in args])
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buffer.write("\n public static void %s(%s) {" % (methodName, argTypesNames))
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buffer.write("\n android.util.EventLog.writeEvent(%s%s);" % (t.tagname.upper(), argNames))
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buffer.write("\n }\n")
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buffer.write("}\n");
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output_dir = os.path.dirname(output_file)
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if not os.path.exists(output_dir):
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os.makedirs(output_dir)
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event_log_tags.WriteOutput(output_file, buffer)
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