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