skia2/platform_tools/android/bin/gyp_to_android.py
commit-bot@chromium.org 069c2a46ba Updates to the Android.mk writer.
Keeping up with changes made to the Android.mk file that is
currently checked in.

R=djsollen@google.com, epoger@google.com

Author: scroggo@google.com

Review URL: https://codereview.chromium.org/183953002

git-svn-id: http://skia.googlecode.com/svn/trunk@13626 2bbb7eff-a529-9590-31e7-b0007b416f81
2014-02-28 17:24:32 +00:00

145 lines
5.7 KiB
Python

#!/usr/bin/python
# Copyright 2014 Google Inc.
#
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""
Script for generating the Android framework's version of Skia from gyp
files.
"""
import android_framework_gyp
import os
import shutil
import sys
import tempfile
# Find the top of trunk
SCRIPT_DIR = os.path.abspath(os.path.dirname(__file__))
SKIA_DIR = os.path.normpath(os.path.join(SCRIPT_DIR, os.pardir, os.pardir,
os.pardir))
# Find the directory with our helper files, and add it to the path.
GYP_GEN_DIR = os.path.join(SKIA_DIR, 'platform_tools', 'android', 'gyp_gen')
sys.path.append(GYP_GEN_DIR)
import gypd_parser
import makefile_writer
import vars_dict_lib
# Folder containing all gyp files and generated gypd files.
GYP_FOLDER = 'gyp'
# TODO(scroggo): Update the docstrings to match the style guide:
# http://google-styleguide.googlecode.com/svn/trunk/pyguide.html#Comments
def clean_gypd_files(folder):
"""
Remove the gypd files generated by android_framework_gyp.main().
@param folder Folder in which to delete all files ending with 'gypd'.
"""
assert os.path.isdir(folder)
files = os.listdir(folder)
for f in files:
if f.endswith('gypd'):
os.remove(os.path.join(folder, f))
def generate_var_dict(target_dir, target_file, skia_arch_type, have_neon):
"""
Create a VarsDict for a particular arch type. Each paramater is passed
directly to android_framework_gyp.main().
@param target_dir Directory containing gyp files.
@param target_file Target gyp file.
@param skia_arch_type Target architecture.
@param have_neon Whether the target should build for neon.
@return a VarsDict containing the variable definitions determined by gyp.
"""
result_file = android_framework_gyp.main(target_dir, target_file,
skia_arch_type, have_neon)
var_dict = vars_dict_lib.VarsDict()
gypd_parser.parse_gypd(var_dict, result_file)
clean_gypd_files(target_dir)
print '.',
return var_dict
def main(target_dir=None):
"""
Read gyp files and create Android.mk for the Android framework's
external/skia.
@param target_dir Directory in which to place 'Android.mk'. If None, the file
will be placed in skia's root directory.
"""
# Create a temporary folder to hold gyp and gypd files. Create it in SKIA_DIR
# so that it is a sibling of gyp/, so the relationships between gyp files and
# other files (e.g. platform_tools/android/gyp/dependencies.gypi, referenced
# by android_deps.gyp as a relative path) is unchanged.
# Use mkdtemp to find an unused folder name, but then delete it so copytree
# can be called with a non-existent directory.
tmp_folder = tempfile.mkdtemp(dir=SKIA_DIR)
os.rmdir(tmp_folder)
shutil.copytree(os.path.join(SKIA_DIR, GYP_FOLDER), tmp_folder)
try:
main_gyp_file = 'android_framework_lib.gyp'
print 'Creating Android.mk',
# Generate a separate VarsDict for each architecture type. For each
# archtype:
# 1. call android_framework_gyp.main() to generate gypd files
# 2. call parse_gypd to read those gypd files into the VarsDict
# 3. delete the gypd files
#
# Once we have the VarsDict for each architecture type, we combine them all
# into a single Android.mk file, which can build targets of any
# architecture type.
# The default uses a non-existant archtype, to find all the general
# variable definitions.
default_var_dict = generate_var_dict(tmp_folder, main_gyp_file, 'other',
False)
arm_var_dict = generate_var_dict(tmp_folder, main_gyp_file, 'arm', False)
arm_neon_var_dict = generate_var_dict(tmp_folder, main_gyp_file, 'arm',
True)
x86_var_dict = generate_var_dict(tmp_folder, main_gyp_file, 'x86', False)
mips_var_dict = generate_var_dict(tmp_folder, main_gyp_file, 'mips', False)
# Compute the intersection of all targets. All the files in the intersection
# should be part of the makefile always. Each dict will now contain trimmed
# lists containing only variable definitions specific to that configuration.
var_dict_list = [default_var_dict, arm_var_dict, arm_neon_var_dict,
x86_var_dict, mips_var_dict]
common = vars_dict_lib.intersect(var_dict_list)
# Further trim arm_neon_var_dict with arm_var_dict. After this call,
# arm_var_dict (which will now be the intersection) includes all definitions
# used by both arm and arm + neon, and arm_neon_var_dict will only contain
# those specific to arm + neon.
arm_var_dict = vars_dict_lib.intersect([arm_var_dict, arm_neon_var_dict])
# Now create a list of VarsDictData holding everything but common.
deviations_from_common = []
deviations_from_common.append(makefile_writer.VarsDictData(
arm_var_dict, 'arm'))
deviations_from_common.append(makefile_writer.VarsDictData(
arm_neon_var_dict, 'arm', 'ARCH_ARM_HAVE_NEON'))
deviations_from_common.append(makefile_writer.VarsDictData(x86_var_dict,
'x86'))
# Currently, x86_64 is identical to x86
deviations_from_common.append(makefile_writer.VarsDictData(x86_var_dict,
'x86_64'))
deviations_from_common.append(makefile_writer.VarsDictData(mips_var_dict,
'mips'))
makefile_writer.write_android_mk(target_dir=target_dir,
common=common, deviations_from_common=deviations_from_common)
finally:
shutil.rmtree(tmp_folder)
if __name__ == '__main__':
main()