1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
#!/usr/bin/env python
#
# Copyright (C) 2009 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
Usage: java-event-log-tags.py [-o output_file] <input_file> <merged_tags_file>
Generate a java class containing constants for each of the event log
tags in the given input file.
-h to display this usage message and exit.
"""
from __future__ import print_function
import getopt
import os
import os.path
import re
import sys
try:
from cStringIO import StringIO
except ImportError:
from io import StringIO
import event_log_tags
output_file = None
try:
opts, args = getopt.getopt(sys.argv[1:], "ho:")
except getopt.GetoptError as err:
print(str(err))
print(__doc__)
sys.exit(2)
for o, a in opts:
if o == "-h":
print(__doc__)
sys.exit(2)
elif o == "-o":
output_file = a
else:
print("unhandled option %s" % o, file=sys.stderr)
sys.exit(1)
if len(args) != 2:
print("need exactly two input files, not %d" % len(args))
print(__doc__)
sys.exit(1)
fn = args[0]
tagfile = event_log_tags.TagFile(fn)
# Load the merged tag file (which should have numbers assigned for all
# tags. Use the numbers from the merged file to fill in any missing
# numbers from the input file.
merged_fn = args[1]
merged_tagfile = event_log_tags.TagFile(merged_fn)
merged_by_name = dict([(t.tagname, t) for t in merged_tagfile.tags])
for t in tagfile.tags:
if t.tagnum is None:
if t.tagname in merged_by_name:
t.tagnum = merged_by_name[t.tagname].tagnum
else:
# We're building something that's not being included in the
# product, so its tags don't appear in the merged file. Assign
# them all an arbitrary number so we can emit the java and
# compile the (unused) package.
t.tagnum = 999999
if "java_package" not in tagfile.options:
tagfile.AddError("java_package option not specified", linenum=0)
hide = True
if "javadoc_hide" in tagfile.options:
hide = event_log_tags.BooleanFromString(tagfile.options["javadoc_hide"][0])
if tagfile.errors:
for fn, ln, msg in tagfile.errors:
print("%s:%d: error: %s" % (fn, ln, msg), file=sys.stderr)
sys.exit(1)
buffer = StringIO()
buffer.write("/* This file is auto-generated. DO NOT MODIFY.\n"
" * Source file: %s\n"
" */\n\n" % (fn,))
buffer.write("package %s;\n\n" % (tagfile.options["java_package"][0],))
basename, _ = os.path.splitext(os.path.basename(fn))
if hide:
buffer.write("/**\n"
" * @hide\n"
" */\n")
buffer.write("public class %s {\n" % (basename,))
buffer.write(" private %s() { } // don't instantiate\n" % (basename,))
for t in tagfile.tags:
if t.description:
buffer.write("\n /** %d %s %s */\n" % (t.tagnum, t.tagname, t.description))
else:
buffer.write("\n /** %d %s */\n" % (t.tagnum, t.tagname))
buffer.write(" public static final int %s = %d;\n" %
(t.tagname.upper(), t.tagnum))
keywords = frozenset(["abstract", "continue", "for", "new", "switch", "assert",
"default", "goto", "package", "synchronized", "boolean",
"do", "if", "private", "this", "break", "double",
"implements", "protected", "throw", "byte", "else",
"import", "public", "throws", "case", "enum",
"instanceof", "return", "transient", "catch", "extends",
"int", "short", "try", "char", "final", "interface",
"static", "void", "class", "finally", "long", "strictfp",
"volatile", "const", "float", "native", "super", "while"])
def javaName(name):
out = name[0].lower() + re.sub(r"[^A-Za-z0-9]", "", name.title())[1:]
if out in keywords:
out += "_"
return out
javaTypes = ["ERROR", "int", "long", "String", "Object[]", "float"]
for t in tagfile.tags:
methodName = javaName("write_" + t.tagname)
if t.description:
args = [arg.strip("() ").split("|") for arg in t.description.split(",")]
else:
args = []
argTypesNames = ", ".join([javaTypes[int(arg[1])] + " " + javaName(arg[0]) for arg in args])
argNames = "".join([", " + javaName(arg[0]) for arg in args])
buffer.write("\n public static void %s(%s) {" % (methodName, argTypesNames))
buffer.write("\n android.util.EventLog.writeEvent(%s%s);" % (t.tagname.upper(), argNames))
buffer.write("\n }\n")
buffer.write("}\n")
output_dir = os.path.dirname(output_file)
if not os.path.exists(output_dir):
os.makedirs(output_dir)
event_log_tags.WriteOutput(output_file, buffer)
|
