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Issue 29527808: Noissue - Use meson to build the C++ code (Closed) Base URL: https://hg.adblockplus.org/adblockpluscore/
Patch Set: Removed compile. meson > 0.40.0 Created Dec. 15, 2017, 5:37 p.m.
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1 #!/usr/bin/env python
2
3 # This file is part of Adblock Plus <https://adblockplus.org/>,
4 # Copyright (C) 2006-present eyeo GmbH
5 #
6 # Adblock Plus is free software: you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License version 3 as
8 # published by the Free Software Foundation.
9 #
10 # Adblock Plus is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
14 #
15 # You should have received a copy of the GNU General Public License
16 # along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>.
17
18 import argparse
19 import os
20 import subprocess
21 import sys
22
23 BASE_DIR = os.path.dirname(__file__)
24 SOURCE_DIR = os.path.join(BASE_DIR, 'compiled')
25 JS_LIBRARY = os.path.join(SOURCE_DIR, 'library.js')
26 BINDINGS_GENERATOR = os.path.join(SOURCE_DIR, 'bindings.cpp.js')
27 BINDINGS_OUTPUT = os.path.join(SOURCE_DIR, 'bindings.js')
28 COMPILER_OUTPUT = os.path.join(BASE_DIR, 'lib', 'compiled.js')
29 GENERATION_PARAMS = {
30 'SHELL_FILE': "'{}'".format(os.path.abspath(os.path.join(SOURCE_DIR,
31 'shell.js'))),
32 'ASM_JS': 2, # "almost asm"
33 'TOTAL_MEMORY': 16*1024*1024,
34 'TOTAL_STACK': 1*1024*1024,
35 'ALLOW_MEMORY_GROWTH': 1,
36 'NO_EXIT_RUNTIME': 1,
37 'NO_DYNAMIC_EXECUTION': 1,
38 'NO_FILESYSTEM': 1,
39 'INVOKE_RUN': 0,
40 'TEXTDECODER': 0,
41 'EXPORTED_RUNTIME_METHODS': ['cwrap', 'ccall', 'stringToAscii'],
42 }
43 DEFINES = []
44 ADDITIONAL_PARAMS = ['-O3', '-m32', '-std=c++1z', '--memory-init-file', '0',
45 '--emit-symbol-map', '-Wall', '-Werror', '-fno-exceptions',
46 '-fno-rtti', '--js-library', JS_LIBRARY]
47
48
49 def get_source_files(phase):
50 for (path, dirs, files) in os.walk(SOURCE_DIR):
51 for f in files:
52 if os.path.splitext(f)[1] != '.cpp':
53 continue
54 if (
55 phase != 'bindings' and
56 os.path.basename(path) == 'bindings' and
57 not f.startswith('runtime_')
58 ):
59 continue
60 yield os.path.join(path, f)
61
62 def getenv(emscripten_config):
63 scope = {}
64 execfile(emscripten_config, scope, scope)
65 env = os.environ.copy()
66 env.update({
67 'EM_CONFIG': emscripten_config,
68 'EMSCRIPTEN': scope['EMSCRIPTEN_ROOT'],
69 'PYTHON': scope.get('PYTHON', sys.executable),
70 'NODE_JS': scope.get('NODE_JS', 'node'),
71 })
72 return env
73
74
75 def generate_bindings(env):
76 params = [
77 env['PYTHON'], os.path.join(env['EMSCRIPTEN'], 'emcc'),
78 '-o', BINDINGS_GENERATOR, '-std=c++1z', '--js-library', JS_LIBRARY,
79 '--js-library', os.path.join(SOURCE_DIR, 'bindings', 'library.js'),
80 ] + list(get_source_files('bindings'))
81 subprocess.check_call(params, env=env)
82
83 with open(BINDINGS_OUTPUT, 'w') as file:
84 subprocess.check_call([env['NODE_JS'], BINDINGS_GENERATOR],
85 stdout=file)
86
87
88 def run_compiler(env, debug=False, tracing=False):
89 params = [
90 env['PYTHON'], os.path.join(env['EMSCRIPTEN'], 'emcc'),
91 '-o', COMPILER_OUTPUT,
92 '--post-js', BINDINGS_OUTPUT,
93 ]
94 # Order matters. We sort source files so that we always get the same
95 # results for the same source code.
96 params.extend(sorted(get_source_files('compile')))
97 params.extend('-D' + flag for flag in DEFINES)
98 for key, value in GENERATION_PARAMS.iteritems():
99 params.extend(['-s', '{}={}'.format(key, str(value))])
100 if debug:
101 params.append('-DDEBUG')
102 params.append('-g3')
103 if tracing:
104 params.append('--tracing')
105 params.extend(ADDITIONAL_PARAMS)
106 subprocess.check_call(params, env=env)
107
108
109 if __name__ == '__main__':
110 parser = argparse.ArgumentParser(
111 description='Compile Emscripten-based C++ code to JavaScript'
112 )
113 parser.add_argument(
114 '--emscripten-config',
115 metavar='DIR',
116 default=os.path.expanduser('~/.emscripten'),
117 help='Emscripten installation directory'
118 )
119 parser.add_argument(
120 '-d', '--debug',
121 action='store_true',
122 help='Disable code minification'
123 )
124 parser.add_argument(
125 '-t', '--tracing',
126 action='store_true',
127 help='Enable memory tracing'
128 )
129 args = parser.parse_args()
130
131 env = getenv(args.emscripten_config)
132 generate_bindings(env)
133 run_compiler(env, debug=args.debug, tracing=args.tracing)
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