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_jarjar_file%': '', 34 'jni_generator_ptr_type%': 'int', 35 }, 36 'rules': [ 37 { 38 'rule_name': 'generate_jni_headers', 39 'extension': 'java', 40 'inputs': [ 41 '<(jni_generator)', 42 ], 43 'outputs': [ 44 '<(SHARED_INTERMEDIATE_DIR)/<(jni_gen_package)/jni/<(RULE_INPUT_ROOT)_jni.h', 45 ], 46 'action': [ 47 '<(jni_generator)', 48 '--input_file', 49 '<(RULE_INPUT_PATH)', 50 '--output_dir', 51 '<(SHARED_INTERMEDIATE_DIR)/<(jni_gen_package)/jni', 52 '--optimize_generation', 53 '<(optimize_jni_generation)', 54 '--jarjar', 55 '<(jni_generator_jarjar_file)', 56 '--ptr_type', 57 '<(jni_generator_ptr_type)', 58 ], 59 'message': 'Generating JNI bindings from <(RULE_INPUT_PATH)', 60 'process_outputs_as_sources': 1, 61 'conditions': [ 62 ['jni_generator_jarjar_file != ""', { 63 'inputs': [ 64 '<(jni_generator_jarjar_file)', 65 ], 66 }] 67 ], 68 }, 69 ], 70 # This target exports a hard dependency because it generates header 71 # files. 72 'hard_dependency': 1, 73 } 74
