1 # Copyright (c) 2012 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 a rule 6 # to generate jni bindings for Java-files in a consistent manner. 7 # 8 # To use this, create a gyp target with the following form: 9 # { 10 # 'target_name': 'base_jni_headers', 11 # 'type': 'none', 12 # 'sources': [ 13 # 'android/java/src/org/chromium/base/BuildInfo.java', 14 # ... 15 # ... 16 # 'android/java/src/org/chromium/base/SystemMessageHandler.java', 17 # ], 18 # 'variables': { 19 # 'jni_gen_package': 'base', 20 # }, 21 # 'includes': [ '../build/jni_generator.gypi' ], 22 # }, 23 # 24 # The generated file name pattern can be seen on the "outputs" section below. 25 # (note that RULE_INPUT_ROOT is the basename for the java file). 26 # 27 # See base/android/jni_generator/jni_generator.py for more info about the 28 # format of generating JNI bindings. 29 30 { 31 'variables': { 32 'jni_generator': '<(DEPTH)/base/android/jni_generator/jni_generator.py', 33 'jni_generator_ptr_type%': 'long', 34 # A comma separated string of include files. 35 'jni_generator_includes%': ( 36 'base/android/jni_generator/jni_generator_helper.h' 37 ), 38 'native_exports%': '--native_exports_optional', 39 }, 40 'rules': [ 41 { 42 'rule_name': 'generate_jni_headers', 43 'extension': 'java', 44 'inputs': [ 45 '<(jni_generator)', 46 ], 47 'outputs': [ 48 '<(SHARED_INTERMEDIATE_DIR)/<(jni_gen_package)/jni/<(RULE_INPUT_ROOT)_jni.h', 49 ], 50 'action': [ 51 '<(jni_generator)', 52 '--input_file', 53 '<(RULE_INPUT_PATH)', 54 '--output_dir', 55 '<(SHARED_INTERMEDIATE_DIR)/<(jni_gen_package)/jni', 56 '--includes', 57 '<(jni_generator_includes)', 58 '--optimize_generation', 59 '<(optimize_jni_generation)', 60 '--ptr_type', 61 '<(jni_generator_ptr_type)', 62 '<(native_exports)', 63 ], 64 'message': 'Generating JNI bindings from <(RULE_INPUT_PATH)', 65 'process_outputs_as_sources': 1, 66 }, 67 ], 68 'direct_dependent_settings': { 69 'include_dirs': [ 70 '<(SHARED_INTERMEDIATE_DIR)/<(jni_gen_package)', 71 ], 72 }, 73 # This target exports a hard dependency because it generates header 74 # files. 75 'hard_dependency': 1, 76 } 77 78
