3 # Copyright (C) 2009 The Android Open Source Project
5 # Licensed under the Apache License, Version 2.0 (the "License");
6 # you may not use this file except in compliance with the License.
7 # You may obtain a copy of the License at
9 # http://www.apache.org/licenses/LICENSE-2.0
11 # Unless required by applicable law or agreed to in writing, software
12 # distributed under the License is distributed on an "AS IS" BASIS,
13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 # See the License for the specific language governing permissions and
15 # limitations under the License.
18 Usage: java-event-log-tags.py [-o output_file] <input_file> <merged_tags_file>
20 Generate a java class containing constants for each of the event log
21 tags in the given input file.
23 -h to display this usage message and exit.
37 opts, args = getopt.getopt(sys.argv[1:], "ho:")
38 except getopt.GetoptError, err:
50 print >> sys.stderr, "unhandled option %s" % (o,)
54 print "need exactly two input files, not %d" % (len(args),)
59 tagfile = event_log_tags.TagFile(fn)
61 # Load the merged tag file (which should have numbers assigned for all
62 # tags. Use the numbers from the merged file to fill in any missing
63 # numbers from the input file.
65 merged_tagfile = event_log_tags.TagFile(merged_fn)
66 merged_by_name = dict([(t.tagname, t) for t in merged_tagfile.tags])
67 for t in tagfile.tags:
69 if t.tagname in merged_by_name:
70 t.tagnum = merged_by_name[t.tagname].tagnum
72 # We're building something that's not being included in the
73 # product, so its tags don't appear in the merged file. Assign
74 # them all an arbitrary number so we can emit the java and
75 # compile the (unused) package.
78 if "java_package" not in tagfile.options:
79 tagfile.AddError("java_package option not specified", linenum=0)
82 if "javadoc_hide" in tagfile.options:
83 hide = event_log_tags.BooleanFromString(tagfile.options["javadoc_hide"][0])
86 for fn, ln, msg in tagfile.errors:
87 print >> sys.stderr, "%s:%d: error: %s" % (fn, ln, msg)
90 buffer = cStringIO.StringIO()
91 buffer.write("/* This file is auto-generated. DO NOT MODIFY.\n"
92 " * Source file: %s\n"
95 buffer.write("package %s;\n\n" % (tagfile.options["java_package"][0],))
97 basename, _ = os.path.splitext(os.path.basename(fn))
103 buffer.write("public class %s {\n" % (basename,))
104 buffer.write(" private %s() { } // don't instantiate\n" % (basename,))
106 for t in tagfile.tags:
108 buffer.write("\n /** %d %s %s */\n" % (t.tagnum, t.tagname, t.description))
110 buffer.write("\n /** %d %s */\n" % (t.tagnum, t.tagname))
112 buffer.write(" public static final int %s = %d;\n" %
113 (t.tagname.upper(), t.tagnum))
115 keywords = frozenset(["abstract", "continue", "for", "new", "switch", "assert",
116 "default", "goto", "package", "synchronized", "boolean",
117 "do", "if", "private", "this", "break", "double",
118 "implements", "protected", "throw", "byte", "else",
119 "import", "public", "throws", "case", "enum",
120 "instanceof", "return", "transient", "catch", "extends",
121 "int", "short", "try", "char", "final", "interface",
122 "static", "void", "class", "finally", "long", "strictfp",
123 "volatile", "const", "float", "native", "super", "while"])
126 out = name[0].lower() + re.sub(r"[^A-Za-z0-9]", "", name.title())[1:]
131 javaTypes = ["ERROR", "int", "long", "String", "Object[]"]
132 for t in tagfile.tags:
133 methodName = javaName("write_" + t.tagname)
135 args = [arg.strip("() ").split("|") for arg in t.description.split(",")]
138 argTypesNames = ", ".join([javaTypes[int(arg[1])] + " " + javaName(arg[0]) for arg in args])
139 argNames = "".join([", " + javaName(arg[0]) for arg in args])
140 buffer.write("\n public static void %s(%s) {" % (methodName, argTypesNames))
141 buffer.write("\n android.util.EventLog.writeEvent(%s%s);" % (t.tagname.upper(), argNames))
142 buffer.write("\n }\n")
147 event_log_tags.WriteOutput(output_file, buffer)