forked from xuos/xiuos
add jerryscript source code
This commit is contained in:
wgzAIIT
361
APP_Framework/lib/JerryScript/jerryscript/tools/amalgam.py
Normal file
361
APP_Framework/lib/JerryScript/jerryscript/tools/amalgam.py
Normal file
@@ -0,0 +1,361 @@
|
||||
#!/usr/bin/env python
|
||||
|
||||
# Copyright JS Foundation and other contributors, http://js.foundation
|
||||
#
|
||||
# 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.
|
||||
|
||||
from __future__ import print_function
|
||||
|
||||
import argparse
|
||||
import fnmatch
|
||||
import json
|
||||
import logging
|
||||
import os
|
||||
import re
|
||||
import shutil
|
||||
|
||||
ROOT_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
|
||||
JERRY_CORE = os.path.join(ROOT_DIR, 'jerry-core')
|
||||
JERRY_PORT = os.path.join(ROOT_DIR, 'jerry-port', 'default')
|
||||
JERRY_MATH = os.path.join(ROOT_DIR, 'jerry-math')
|
||||
|
||||
|
||||
class Amalgamator(object):
|
||||
# pylint: disable=too-many-instance-attributes
|
||||
|
||||
_RE_INCLUDE = re.compile(r'\s*#include ("|<)(.*?)("|>)\n$')
|
||||
|
||||
def __init__(self, h_files, extra_includes=(), remove_includes=(), add_lineinfo=False):
|
||||
self._h_files = h_files
|
||||
self._extra_includes = extra_includes
|
||||
self._remove_includes = remove_includes
|
||||
self._add_lineinfo = add_lineinfo
|
||||
self._last_builtin = None
|
||||
self._processed = []
|
||||
self._output = []
|
||||
# The copyright will be loaded from the first input file
|
||||
self._copyright = {'lines': [], 'loaded': False}
|
||||
|
||||
def _process_non_include(self, line, file_level):
|
||||
# Special case #2: Builtin include header name usage
|
||||
if line.strip() == "#include BUILTIN_INC_HEADER_NAME":
|
||||
assert self._last_builtin is not None, 'No previous BUILTIN_INC_HEADER_NAME definition'
|
||||
logging.debug('[%d] Detected usage of BUILTIN_INC_HEADER_NAME, including: "%s"',
|
||||
file_level, self._last_builtin)
|
||||
self.add_file(self._h_files[self._last_builtin])
|
||||
# return from the function as we have processed the included file
|
||||
return
|
||||
|
||||
# Special case #1: Builtin include header name definition
|
||||
if line.startswith('#define BUILTIN_INC_HEADER_NAME '):
|
||||
# the line is in this format: #define BUILTIN_INC_HEADER_NAME "<filename>"
|
||||
self._last_builtin = line.split('"', 2)[1]
|
||||
logging.debug('[%d] Detected definition of BUILTIN_INC_HEADER_NAME: "%s"', file_level, self._last_builtin)
|
||||
|
||||
# the line is not anything special, just push it into the output
|
||||
self._output.append(line)
|
||||
|
||||
def _emit_lineinfo(self, line_number, filename):
|
||||
if not self._add_lineinfo:
|
||||
return
|
||||
|
||||
normalized_path = repr(os.path.normpath(filename))[1:-1]
|
||||
line_info = '#line %d "%s"\n' % (line_number, normalized_path)
|
||||
|
||||
if self._output and self._output[-1].startswith('#line'):
|
||||
# Avoid emitting multiple line infos in sequence, just overwrite the last one
|
||||
self._output[-1] = line_info
|
||||
else:
|
||||
self._output.append(line_info)
|
||||
|
||||
def add_file(self, filename, file_level=0):
|
||||
if os.path.basename(filename) in self._processed:
|
||||
logging.warning('Tried to to process an already processed file: "%s"', filename)
|
||||
return
|
||||
|
||||
if not file_level:
|
||||
logging.debug('Adding file: "%s"', filename)
|
||||
|
||||
file_level += 1
|
||||
|
||||
# mark the start of the new file in the output
|
||||
self._emit_lineinfo(1, filename)
|
||||
|
||||
line_idx = 0
|
||||
with open(filename, 'r') as input_file:
|
||||
in_copyright = False
|
||||
for line in input_file:
|
||||
line_idx += 1
|
||||
|
||||
if not in_copyright and line.startswith('/* Copyright '):
|
||||
in_copyright = True
|
||||
if not self._copyright['loaded']:
|
||||
self._copyright['lines'].append(line)
|
||||
continue
|
||||
|
||||
if in_copyright:
|
||||
if not self._copyright['loaded']:
|
||||
self._copyright['lines'].append(line)
|
||||
|
||||
if line.strip().endswith('*/'):
|
||||
in_copyright = False
|
||||
self._copyright['loaded'] = True
|
||||
# emit a line info so the line numbering can be tracked correctly
|
||||
self._emit_lineinfo(line_idx + 1, filename)
|
||||
|
||||
continue
|
||||
|
||||
# check if the line is an '#include' line
|
||||
match = self._RE_INCLUDE.match(line)
|
||||
if not match:
|
||||
# the line is not a header
|
||||
self._process_non_include(line, file_level)
|
||||
continue
|
||||
|
||||
if match.group(1) == '<':
|
||||
# found a "global" include
|
||||
self._output.append(line)
|
||||
continue
|
||||
|
||||
name = match.group(2)
|
||||
|
||||
if name in self._remove_includes:
|
||||
logging.debug('[%d] Removing include line (%s:%d): %s',
|
||||
file_level, filename, line_idx, line.strip())
|
||||
# emit a line info so the line numbering can be tracked correctly
|
||||
self._emit_lineinfo(line_idx + 1, filename)
|
||||
continue
|
||||
|
||||
if name not in self._h_files:
|
||||
logging.warning('[%d] Include not found (%s:%d): "%s"', file_level, filename, line_idx, name)
|
||||
self._output.append(line)
|
||||
continue
|
||||
|
||||
if name in self._processed:
|
||||
logging.debug('[%d] Already included: "%s"', file_level, name)
|
||||
# emit a line info so the line numbering can be tracked correctly
|
||||
self._emit_lineinfo(line_idx + 1, filename)
|
||||
continue
|
||||
|
||||
logging.debug('[%d] Including: "%s"', file_level, self._h_files[name])
|
||||
self.add_file(self._h_files[name], file_level)
|
||||
|
||||
# mark the continuation of the current file in the output
|
||||
self._emit_lineinfo(line_idx + 1, filename)
|
||||
|
||||
if not name.endswith('.inc.h'):
|
||||
# if the included file is not a "*.inc.h" file mark it as processed
|
||||
self._processed.append(name)
|
||||
|
||||
file_level -= 1
|
||||
if not filename.endswith('.inc.h'):
|
||||
self._processed.append(os.path.basename(filename))
|
||||
|
||||
def write_output(self, out_fp):
|
||||
for line in self._copyright['lines']:
|
||||
out_fp.write(line)
|
||||
|
||||
for include in self._extra_includes:
|
||||
out_fp.write('#include "%s"\n' % include)
|
||||
|
||||
for line in self._output:
|
||||
out_fp.write(line)
|
||||
|
||||
|
||||
def match_files(base_dir, pattern):
|
||||
"""
|
||||
Return the files matching the given pattern.
|
||||
|
||||
:param base_dir: directory to search in
|
||||
:param pattern: file pattern to use
|
||||
:returns generator: the generator which iterates the matching file names
|
||||
"""
|
||||
for path, _, files in os.walk(base_dir):
|
||||
for name in files:
|
||||
if fnmatch.fnmatch(name, pattern):
|
||||
yield os.path.join(path, name)
|
||||
|
||||
|
||||
def collect_files(base_dir, pattern):
|
||||
"""
|
||||
Collect files in the provided base directory given a file pattern.
|
||||
Will collect all files in the base dir recursively.
|
||||
|
||||
:param base_dir: directory to search in
|
||||
:param pattern: file pattern to use
|
||||
:returns dictionary: a dictionary file base name -> file path mapping
|
||||
"""
|
||||
name_mapping = {}
|
||||
for fname in match_files(base_dir, pattern):
|
||||
name = os.path.basename(fname)
|
||||
|
||||
if name in name_mapping:
|
||||
logging.warning('Duplicate name detected: "%s" and "%s"', fname, name_mapping[name])
|
||||
continue
|
||||
|
||||
name_mapping[name] = fname
|
||||
|
||||
return name_mapping
|
||||
|
||||
|
||||
def amalgamate(base_dir, input_files=(), output_file=None,
|
||||
append_c_files=False, remove_includes=(), extra_includes=(),
|
||||
add_lineinfo=False):
|
||||
"""
|
||||
:param input_files: Main input source/header files
|
||||
:param output_file: Output source/header file
|
||||
:param append_c_files: Enable auto inclusion of c files under the base-dir
|
||||
:param add_lineinfo: Enable #line macro insertion into the generated sources
|
||||
"""
|
||||
logging.debug('Starting merge with args: %s', json.dumps(locals(), indent=4, sort_keys=True))
|
||||
|
||||
h_files = collect_files(base_dir, '*.h')
|
||||
c_files = collect_files(base_dir, '*.c')
|
||||
|
||||
for name in remove_includes:
|
||||
c_files.pop(name, '')
|
||||
h_files.pop(name, '')
|
||||
|
||||
amalgam = Amalgamator(h_files, extra_includes, remove_includes, add_lineinfo)
|
||||
for input_file in input_files:
|
||||
amalgam.add_file(input_file)
|
||||
|
||||
if append_c_files:
|
||||
# if the input file is in the C files list it should be removed to avoid
|
||||
# double inclusion of the file
|
||||
for input_file in input_files:
|
||||
input_name = os.path.basename(input_file)
|
||||
c_files.pop(input_name, '')
|
||||
|
||||
# Add the C files in reverse order to make sure that builtins are
|
||||
# not at the beginning.
|
||||
for fname in sorted(c_files.values(), reverse=True):
|
||||
amalgam.add_file(fname)
|
||||
|
||||
with open(output_file, 'w') as output:
|
||||
amalgam.write_output(output)
|
||||
|
||||
|
||||
def amalgamate_jerry_core(output_dir):
|
||||
amalgamate(
|
||||
base_dir=JERRY_CORE,
|
||||
input_files=[
|
||||
os.path.join(JERRY_CORE, 'api', 'jerry.c'),
|
||||
# Add the global built-in by default to include some common items
|
||||
# to avoid problems with common built-in headers
|
||||
os.path.join(JERRY_CORE, 'ecma', 'builtin-objects', 'ecma-builtins.c'),
|
||||
],
|
||||
output_file=os.path.join(output_dir, 'jerryscript.c'),
|
||||
append_c_files=True,
|
||||
remove_includes=[
|
||||
'jerryscript.h',
|
||||
'jerryscript-port.h',
|
||||
'jerryscript-compiler.h',
|
||||
'jerryscript-core.h',
|
||||
'jerryscript-debugger.h',
|
||||
'jerryscript-debugger-transport.h',
|
||||
'jerryscript-port.h',
|
||||
'jerryscript-snapshot.h',
|
||||
'config.h',
|
||||
],
|
||||
extra_includes=['jerryscript.h'],
|
||||
)
|
||||
|
||||
amalgamate(
|
||||
base_dir=JERRY_CORE,
|
||||
input_files=[
|
||||
os.path.join(JERRY_CORE, 'include', 'jerryscript.h'),
|
||||
os.path.join(JERRY_CORE, 'include', 'jerryscript-debugger-transport.h'),
|
||||
],
|
||||
output_file=os.path.join(output_dir, 'jerryscript.h'),
|
||||
remove_includes=['config.h'],
|
||||
extra_includes=['jerryscript-config.h'],
|
||||
)
|
||||
|
||||
shutil.copyfile(os.path.join(JERRY_CORE, 'config.h'),
|
||||
os.path.join(output_dir, 'jerryscript-config.h'))
|
||||
|
||||
|
||||
def amalgamate_jerry_port_default(output_dir):
|
||||
amalgamate(
|
||||
base_dir=JERRY_PORT,
|
||||
output_file=os.path.join(output_dir, 'jerryscript-port-default.c'),
|
||||
append_c_files=True,
|
||||
remove_includes=[
|
||||
'jerryscript-port.h',
|
||||
'jerryscript-port-default.h',
|
||||
'jerryscript-debugger.h',
|
||||
],
|
||||
extra_includes=[
|
||||
'jerryscript.h',
|
||||
'jerryscript-port-default.h',
|
||||
],
|
||||
)
|
||||
|
||||
amalgamate(
|
||||
base_dir=JERRY_PORT,
|
||||
input_files=[os.path.join(JERRY_PORT, 'include', 'jerryscript-port-default.h')],
|
||||
output_file=os.path.join(output_dir, 'jerryscript-port-default.h'),
|
||||
remove_includes=[
|
||||
'jerryscript-port.h',
|
||||
'jerryscript.h',
|
||||
],
|
||||
extra_includes=['jerryscript.h'],
|
||||
)
|
||||
|
||||
|
||||
def amalgamate_jerry_math(output_dir):
|
||||
amalgamate(
|
||||
base_dir=JERRY_MATH,
|
||||
output_file=os.path.join(output_dir, 'jerryscript-math.c'),
|
||||
append_c_files=True,
|
||||
)
|
||||
|
||||
shutil.copyfile(os.path.join(JERRY_MATH, 'include', 'math.h'),
|
||||
os.path.join(output_dir, 'math.h'))
|
||||
|
||||
def main():
|
||||
parser = argparse.ArgumentParser(description='Generate amalgamated sources.')
|
||||
parser.add_argument('--jerry-core', action='store_true',
|
||||
help='amalgamate jerry-core files')
|
||||
parser.add_argument('--jerry-port-default', action='store_true',
|
||||
help='amalgamate jerry-port-default files')
|
||||
parser.add_argument('--jerry-math', action='store_true',
|
||||
help='amalgamate jerry-math files')
|
||||
parser.add_argument('--output-dir', metavar='DIR', default='amalgam',
|
||||
help='output dir (default: %(default)s)')
|
||||
parser.add_argument('--verbose', '-v', action='store_true',
|
||||
help='increase verbosity')
|
||||
|
||||
args = parser.parse_args()
|
||||
|
||||
if args.verbose:
|
||||
logging.basicConfig(level=logging.DEBUG)
|
||||
|
||||
try:
|
||||
os.makedirs(args.output_dir)
|
||||
except os.error:
|
||||
pass
|
||||
|
||||
if args.jerry_core:
|
||||
amalgamate_jerry_core(args.output_dir)
|
||||
|
||||
if args.jerry_port_default:
|
||||
amalgamate_jerry_port_default(args.output_dir)
|
||||
|
||||
if args.jerry_math:
|
||||
amalgamate_jerry_math(args.output_dir)
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
main()
|
||||
Reference in New Issue
Block a user