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
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
# Copyright (C) 2013 Google Inc. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import os.path
import re
from in_generator import Maker
import in_generator
import license
import name_utilities
HEADER_TEMPLATE = """%(license)s
#ifndef %(namespace)sHeaders_h
#define %(namespace)sHeaders_h
%(includes)s
#endif // %(namespace)sHeaders_h
"""
INTERFACES_HEADER_TEMPLATE = """%(license)s
#ifndef %(namespace)sInterfaces_h
#define %(namespace)sInterfaces_h
%(declare_conditional_macros)s
#define %(macro_style_name)s_INTERFACES_FOR_EACH(macro) \\
\\
%(unconditional_macros)s
\\
%(conditional_macros)s
#endif // %(namespace)sInterfaces_h
"""
class Writer(in_generator.Writer):
def __init__(self, in_file_path):
super(Writer, self).__init__(in_file_path)
self.namespace = self.in_file.parameters['namespace'].strip('"')
self._entries_by_conditional = {}
self._unconditional_entries = []
self._validate_entries()
self._sort_entries_by_conditional()
self._outputs = {(self.namespace + "Headers.h"): self.generate_headers_header,
(self.namespace + "Interfaces.h"): self.generate_interfaces_header,
}
def _validate_entries(self):
# If there is more than one entry with the same script name, only the first one will ever
# be hit in practice, and so we'll silently ignore any properties requested for the second
# (like RuntimeEnabled - see crbug.com/332588).
entries_by_script_name = dict()
for entry in self.in_file.name_dictionaries:
script_name = name_utilities.script_name(entry)
if script_name in entries_by_script_name:
self._fatal('Multiple entries with script_name=%(script_name)s: %(name1)s %(name2)s' % {
'script_name': script_name,
'name1': entry['name'],
'name2': entries_by_script_name[script_name]['name']})
entries_by_script_name[script_name] = entry
def _fatal(self, message):
print 'FATAL ERROR: ' + message
exit(1)
def _sort_entries_by_conditional(self):
unconditional_names = set()
for entry in self.in_file.name_dictionaries:
conditional = entry['Conditional']
if not conditional:
cpp_name = name_utilities.cpp_name(entry)
if cpp_name in unconditional_names:
continue
unconditional_names.add(cpp_name)
self._unconditional_entries.append(entry)
continue
for entry in self.in_file.name_dictionaries:
cpp_name = name_utilities.cpp_name(entry)
if cpp_name in unconditional_names:
continue
conditional = entry['Conditional']
if not conditional in self._entries_by_conditional:
self._entries_by_conditional[conditional] = []
self._entries_by_conditional[conditional].append(entry)
def _headers_header_include_path(self, entry):
if entry['ImplementedAs']:
path = os.path.dirname(entry['name'])
if len(path):
path += '/'
path += entry['ImplementedAs']
else:
path = entry['name']
return path + '.h'
def _headers_header_includes(self, entries):
includes = dict()
for entry in entries:
cpp_name = name_utilities.cpp_name(entry)
# Avoid duplicate includes.
if cpp_name in includes:
continue
include = '#include "%(path)s"\n#include "V8%(script_name)s.h"' % {
'path': self._headers_header_include_path(entry),
'script_name': name_utilities.script_name(entry),
}
includes[cpp_name] = self.wrap_with_condition(include, entry['Conditional'])
return includes.values()
def generate_headers_header(self):
return HEADER_TEMPLATE % {
'license': license.license_for_generated_cpp(),
'namespace': self.namespace,
'includes': '\n'.join(self._headers_header_includes(self.in_file.name_dictionaries)),
}
def _declare_one_conditional_macro(self, conditional, entries):
macro_name = '%(macro_style_name)s_INTERFACES_FOR_EACH_%(conditional)s' % {
'macro_style_name': name_utilities.to_macro_style(self.namespace),
'conditional': conditional,
}
return self.wrap_with_condition("""#define %(macro_name)s(macro) \\
%(declarations)s
#else
#define %(macro_name)s(macro)""" % {
'macro_name': macro_name,
'declarations': '\n'.join(sorted(set([
' macro(%(cpp_name)s) \\' % {'cpp_name': name_utilities.cpp_name(entry)}
for entry in entries]))),
}, conditional)
def _declare_conditional_macros(self):
return '\n'.join([
self._declare_one_conditional_macro(conditional, entries)
for conditional, entries in self._entries_by_conditional.items()])
def _unconditional_macro(self, entry):
return ' macro(%(cpp_name)s) \\' % {'cpp_name': name_utilities.cpp_name(entry)}
def _conditional_macros(self, conditional):
return ' %(macro_style_name)s_INTERFACES_FOR_EACH_%(conditional)s(macro) \\' % {
'macro_style_name': name_utilities.to_macro_style(self.namespace),
'conditional': conditional,
}
def generate_interfaces_header(self):
return INTERFACES_HEADER_TEMPLATE % {
'license': license.license_for_generated_cpp(),
'namespace': self.namespace,
'macro_style_name': name_utilities.to_macro_style(self.namespace),
'declare_conditional_macros': self._declare_conditional_macros(),
'unconditional_macros': '\n'.join(sorted(set(map(self._unconditional_macro, self._unconditional_entries)))),
'conditional_macros': '\n'.join(map(self._conditional_macros, self._entries_by_conditional.keys())),
}
|