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Issue 29333474: Issue 4125 - [emscripten] Convert filter classes to C++ (Closed)
Patch Set: Addressed Sergei`s comments again and added some asserts Created Feb. 23, 2016, 12:30 p.m.
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Index: compile
===================================================================
new file mode 100755
--- /dev/null
+++ b/compile
@@ -0,0 +1,79 @@
+#!/usr/bin/env python
+
+import json
+import os
+import re
+import subprocess
+import warnings
+
+EMSCRIPTEN_PATH = '../emscripten'
+SOURCE_DIR = './compiled'
+SOURCE_FILES = [
+ os.path.join(SOURCE_DIR, f)
+ for f in os.listdir(SOURCE_DIR)
+ if f.endswith('.cpp')
+]
+BINDINGS_FILE = os.path.join(SOURCE_DIR, 'bindings.cpp')
+BINDINGS_GENERATOR = os.path.join(SOURCE_DIR, 'bindings.cpp.js')
+BINDINGS_OUTPUT = os.path.join(SOURCE_DIR, 'bindings.js')
+COMPILER_OUTPUT = './lib/compiled.js'
+GENERATION_PARAMS = {
+ 'SHELL_FILE': "'%s'" % os.path.abspath(os.path.join(SOURCE_DIR, 'shell.js')),
+ 'ASM_JS': 2, # "almost asm"
+ 'TOTAL_MEMORY': 16*1024*1024,
+ 'TOTAL_STACK': 1*1024*1024,
+ 'ALLOW_MEMORY_GROWTH': 1,
+ 'NO_EXIT_RUNTIME': 1,
+ 'NO_DYNAMIC_EXECUTION': 1,
+ 'NO_BROWSER': 1,
+ 'NO_FILESYSTEM': 1,
+ 'INVOKE_RUN': 0,
+ 'NODE_STDOUT_FLUSH_WORKAROUND': 0,
+}
+DEFINES = []
+ADDITIONAL_PARAMS = ['-O3', '-m32', '-std=gnu++14', '--memory-init-file', '0',
+ '--emit-symbol-map']
+
+def getenv():
+ path = []
+ env = {}
+ output = subprocess.check_output([
+ '/bin/bash', '-c', os.path.join(EMSCRIPTEN_PATH, 'emsdk_env.sh')])
+ for line in output.splitlines():
+ match = re.search(r'^\s*PATH\s*\+=\s*(.*)', line)
+ if match:
+ path.append(match.group(1))
+ match = re.search(r'^\s*(\w+)\s*=\s*(.*)', line)
+ if match:
+ env[match.group(1)] = match.group(2)
+ env['PATH'] = ':'.join([os.environ['PATH']] + path)
+ return env
+
+def generate_bindings(env):
+ params = [os.path.join(env['EMSCRIPTEN'], 'emcc'), BINDINGS_FILE,
+ '-o', BINDINGS_GENERATOR, '-std=gnu++14', '-DPRINT_BINDINGS',
+ '-s', 'SAFE_HEAP=1', '-s', 'WARN_ON_UNDEFINED_SYMBOLS=0',
+ ]
+ subprocess.check_call(params, env=env)
+
+ node = subprocess.check_output('which node', env=env, shell=True).strip();
+ with open(BINDINGS_OUTPUT, 'w') as file:
+ subprocess.check_call([node, BINDINGS_GENERATOR], env=env, stdout=file)
+
+def run_compiler(env):
+ params = [
+ os.path.join(env['EMSCRIPTEN'], 'emcc'),
+ '-o', COMPILER_OUTPUT,
+ '--post-js', BINDINGS_OUTPUT,
+ ]
+ params.extend(SOURCE_FILES)
+ params.extend('-D' + flag for flag in DEFINES)
+ for key, value in GENERATION_PARAMS.iteritems():
+ params.extend(['-s', '%s=%s' % (key, str(value))])
+ params.extend(ADDITIONAL_PARAMS)
+ subprocess.check_call(params, env=env)
+
+if __name__ == '__main__':
+ env = getenv()
+ generate_bindings(env)
+ run_compiler(env)
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