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Issue 29410617: Issue 5131 - [emscripten] Clean separation of bindings code and runtime code (Closed) Base URL: https://hg.adblockplus.org/adblockpluscore
Patch Set: Created April 12, 2017, 2:07 p.m.
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1 #!/usr/bin/env python 1 #!/usr/bin/env python
2 2
3 # This file is part of Adblock Plus <https://adblockplus.org/>, 3 # This file is part of Adblock Plus <https://adblockplus.org/>,
4 # Copyright (C) 2006-2017 Eyeo GmbH 4 # Copyright (C) 2006-2017 Eyeo GmbH
5 # 5 #
6 # Adblock Plus is free software: you can redistribute it and/or modify 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 7 # it under the terms of the GNU General Public License version 3 as
8 # published by the Free Software Foundation. 8 # published by the Free Software Foundation.
9 # 9 #
10 # Adblock Plus is distributed in the hope that it will be useful, 10 # Adblock Plus is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of 11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details. 13 # GNU General Public License for more details.
14 # 14 #
15 # You should have received a copy of the GNU General Public License 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/>. 16 # along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>.
17 17
18 import argparse 18 import argparse
19 import os 19 import os
20 import subprocess 20 import subprocess
21 import sys 21 import sys
22 22
23 BASE_DIR = os.path.dirname(__file__) 23 BASE_DIR = os.path.dirname(__file__)
24 SOURCE_DIR = os.path.join(BASE_DIR, 'compiled') 24 SOURCE_DIR = os.path.join(BASE_DIR, 'compiled')
25 SOURCE_FILES = [
26 os.path.join(path, f)
27 for (path, dirs, files) in os.walk(SOURCE_DIR)
28 for f in files
29 if f.endswith('.cpp')
30 ]
31 BINDINGS_GENERATOR = os.path.join(SOURCE_DIR, 'bindings.cpp.js') 25 BINDINGS_GENERATOR = os.path.join(SOURCE_DIR, 'bindings.cpp.js')
32 BINDINGS_OUTPUT = os.path.join(SOURCE_DIR, 'bindings.js') 26 BINDINGS_OUTPUT = os.path.join(SOURCE_DIR, 'bindings.js')
33 COMPILER_OUTPUT = os.path.join(BASE_DIR, 'lib', 'compiled.js') 27 COMPILER_OUTPUT = os.path.join(BASE_DIR, 'lib', 'compiled.js')
34 GENERATION_PARAMS = { 28 GENERATION_PARAMS = {
35 'SHELL_FILE': "'{}'".format(os.path.abspath(os.path.join(SOURCE_DIR, 29 'SHELL_FILE': "'{}'".format(os.path.abspath(os.path.join(SOURCE_DIR,
36 'shell.js'))), 30 'shell.js'))),
37 'ASM_JS': 2, # "almost asm" 31 'ASM_JS': 2, # "almost asm"
38 'TOTAL_MEMORY': 16*1024*1024, 32 'TOTAL_MEMORY': 16*1024*1024,
39 'TOTAL_STACK': 1*1024*1024, 33 'TOTAL_STACK': 1*1024*1024,
40 'ALLOW_MEMORY_GROWTH': 1, 34 'ALLOW_MEMORY_GROWTH': 1,
41 'NO_EXIT_RUNTIME': 1, 35 'NO_EXIT_RUNTIME': 1,
42 'NO_DYNAMIC_EXECUTION': 1, 36 'NO_DYNAMIC_EXECUTION': 1,
43 'NO_FILESYSTEM': 1, 37 'NO_FILESYSTEM': 1,
44 'INVOKE_RUN': 0, 38 'INVOKE_RUN': 0,
45 'TEXTDECODER': 0, 39 'TEXTDECODER': 0,
46 'EXPORTED_RUNTIME_METHODS': ['cwrap', 'ccall', 'stringToAscii'], 40 'EXPORTED_RUNTIME_METHODS': ['cwrap', 'ccall', 'stringToAscii'],
47 } 41 }
48 DEFINES = [] 42 DEFINES = []
49 ADDITIONAL_PARAMS = ['-O3', '-m32', '-std=gnu++14', '--memory-init-file', '0', 43 ADDITIONAL_PARAMS = ['-O3', '-m32', '-std=gnu++14', '--memory-init-file', '0',
50 '--emit-symbol-map'] 44 '--emit-symbol-map']
51 45
52 46
47 def get_source_files(phase):
48 for (path, dirs, files) in os.walk(SOURCE_DIR):
49 for f in files:
50 if os.path.splitext(f)[1] != '.cpp':
51 continue
52 if (
53 phase != 'bindings' and
54 os.path.basename(path) == 'bindings' and
55 not f.startswith('runtime_')
56 ):
57 continue
58 yield os.path.join(path, f)
59
53 def getenv(emscripten_config): 60 def getenv(emscripten_config):
54 scope = {} 61 scope = {}
55 execfile(emscripten_config, scope, scope) 62 execfile(emscripten_config, scope, scope)
56 env = os.environ.copy() 63 env = os.environ.copy()
57 env.update({ 64 env.update({
58 'EM_CONFIG': emscripten_config, 65 'EM_CONFIG': emscripten_config,
59 'EMSCRIPTEN': scope['EMSCRIPTEN_ROOT'], 66 'EMSCRIPTEN': scope['EMSCRIPTEN_ROOT'],
60 'PYTHON': scope.get('PYTHON', sys.executable), 67 'PYTHON': scope.get('PYTHON', sys.executable),
61 'NODE_JS': scope.get('NODE_JS', 'node'), 68 'NODE_JS': scope.get('NODE_JS', 'node'),
62 }) 69 })
63 return env 70 return env
64 71
65 72
66 def generate_bindings(env): 73 def generate_bindings(env):
67 params = [ 74 params = [
68 env['PYTHON'], os.path.join(env['EMSCRIPTEN'], 'emcc'), 75 env['PYTHON'], os.path.join(env['EMSCRIPTEN'], 'emcc'),
69 '-o', BINDINGS_GENERATOR, '-std=gnu++14', '-DPRINT_BINDINGS', 76 '-o', BINDINGS_GENERATOR, '-std=gnu++14', '-DPRINT_BINDINGS',
70 ] + SOURCE_FILES 77 ] + list(get_source_files('bindings'))
71 subprocess.check_call(params, env=env) 78 subprocess.check_call(params, env=env)
72 79
73 with open(BINDINGS_OUTPUT, 'w') as file: 80 with open(BINDINGS_OUTPUT, 'w') as file:
74 subprocess.check_call([env['NODE_JS'], BINDINGS_GENERATOR], 81 subprocess.check_call([env['NODE_JS'], BINDINGS_GENERATOR],
75 stdout=file) 82 stdout=file)
76 83
77 84
78 def run_compiler(env, debug=False, tracing=False): 85 def run_compiler(env, debug=False, tracing=False):
79 params = [ 86 params = [
80 env['PYTHON'], os.path.join(env['EMSCRIPTEN'], 'emcc'), 87 env['PYTHON'], os.path.join(env['EMSCRIPTEN'], 'emcc'),
81 '-o', COMPILER_OUTPUT, 88 '-o', COMPILER_OUTPUT,
82 '--post-js', BINDINGS_OUTPUT, 89 '--post-js', BINDINGS_OUTPUT,
83 ] 90 ]
84 # Order matters. We sort source files so that we always get the same 91 # Order matters. We sort source files so that we always get the same
85 # results for the same source code. 92 # results for the same source code.
86 params.extend(sorted(SOURCE_FILES)) 93 params.extend(sorted(get_source_files('compile')))
87 params.extend('-D' + flag for flag in DEFINES) 94 params.extend('-D' + flag for flag in DEFINES)
88 for key, value in GENERATION_PARAMS.iteritems(): 95 for key, value in GENERATION_PARAMS.iteritems():
89 params.extend(['-s', '{}={}'.format(key, str(value))]) 96 params.extend(['-s', '{}={}'.format(key, str(value))])
90 if debug: 97 if debug:
91 params.append('-g3') 98 params.append('-g3')
92 if tracing: 99 if tracing:
93 params.append('--tracing') 100 params.append('--tracing')
94 params.extend(ADDITIONAL_PARAMS) 101 params.extend(ADDITIONAL_PARAMS)
95 subprocess.check_call(params, env=env) 102 subprocess.check_call(params, env=env)
96 103
(...skipping 16 matching lines...) Expand all
113 parser.add_argument( 120 parser.add_argument(
114 '-t', '--tracing', 121 '-t', '--tracing',
115 action='store_true', 122 action='store_true',
116 help='Enable memory tracing' 123 help='Enable memory tracing'
117 ) 124 )
118 args = parser.parse_args() 125 args = parser.parse_args()
119 126
120 env = getenv(args.emscripten_config) 127 env = getenv(args.emscripten_config)
121 generate_bindings(env) 128 generate_bindings(env)
122 run_compiler(env, debug=args.debug, tracing=args.tracing) 129 run_compiler(env, debug=args.debug, tracing=args.tracing)
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