1 # Copyright 2014 The Chromium Authors. All rights reserved. 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 # This file is meant to be included into a target to provide an action 6 # to generate Java source files from a C++ header file containing annotated 7 # enum definitions using a Python script. 8 # 9 # To use this, create a gyp target with the following form: 10 # { 11 # 'target_name': 'bitmap_format_java', 12 # 'type': 'none', 13 # 'variables': { 14 # 'source_file': 'ui/android/bitmap_format.h', 15 # }, 16 # 'includes': [ '../build/android/java_cpp_enum.gypi' ], 17 # }, 18 # 19 # Then have the gyp target which compiles the java code depend on the newly 20 # created target. 21 22 { 23 'variables': { 24 # Location where all generated Java sources will be placed. 25 'output_dir': '<(SHARED_INTERMEDIATE_DIR)/enums/<(_target_name)', 26 'generator_path': '<(DEPTH)/build/android/gyp/java_cpp_enum.py', 27 'generator_args': '--output_dir=<(output_dir) <(source_file)', 28 }, 29 'direct_dependent_settings': { 30 'variables': { 31 # Ensure that the output directory is used in the class path 32 # when building targets that depend on this one. 33 'generated_src_dirs': [ 34 '<(output_dir)/', 35 ], 36 }, 37 }, 38 'actions': [ 39 { 40 'action_name': 'generate_java_constants', 41 'inputs': [ 42 '<(DEPTH)/build/android/gyp/util/build_utils.py', 43 '<(generator_path)', 44 '<(source_file)', 45 ], 46 'outputs': [ 47 # This is the main reason this is an action and not a rule. Gyp doesn't 48 # properly expand RULE_INPUT_PATH here and so it's impossible to 49 # calculate the list of outputs. 50 '<!@pymod_do_main(java_cpp_enum --print_output_only ' 51 '<@(generator_args))', 52 ], 53 'action': [ 54 'python', '<(generator_path)', '<@(generator_args)' 55 ], 56 'message': 'Generating Java from cpp header <(source_file)', 57 }, 58 ], 59 } 60
