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.
5 # This file is meant to be included into a target to provide a rule
6 # to generate Java source files from templates that are processed
7 # through the host C pre-processor.
9 # To use this, create a gyp target with the following form:
11 # 'target_name': 'android_net_java_constants',
14 # 'net/android/NetError.template',
17 # 'package_name': 'org/chromium/net',
18 # 'template_deps': ['net/base/certificate_mime_type_list.h'],
20 # 'includes': [ '../build/android/java_cpp_template.gypi' ],
23 # The 'sources' entry should only list template file. The template file
24 # itself should use the 'ClassName.template' format, and will generate
25 # 'gen/templates/<package-name>/ClassName.java. The files which template
26 # dependents on and typically included by the template should be listed
27 # in template_deps variables. Any change to them will force a rebuild of
28 # the template, and hence of any source that depends on it.
32 # Location where all generated Java sources will be placed.
34 'include_path%': '<(DEPTH)',
35 'output_dir': '<(SHARED_INTERMEDIATE_DIR)/templates/<(package_name)',
37 'direct_dependent_settings': {
39 # Ensure that the output directory is used in the class path
40 # when building targets that depend on this one.
41 'generated_src_dirs': [
44 # Ensure dependents are rebuilt when sources for this rule change.
45 'additional_input_paths': [
51 # Define a single rule that will be apply to each .template file
52 # listed in 'sources'.
55 'rule_name': 'generate_java_constants',
56 'extension': 'template',
57 # Set template_deps as additional dependencies.
59 'output_path': '<(output_dir)/<(RULE_INPUT_ROOT).java',
62 '<(DEPTH)/build/android/gyp/util/build_utils.py',
63 '<(DEPTH)/build/android/gyp/gcc_preprocess.py',
70 'python', '<(DEPTH)/build/android/gyp/gcc_preprocess.py',
71 '--include-path=<(include_path)',
72 '--output=<(output_path)',
73 '--template=<(RULE_INPUT_PATH)',
75 'message': 'Generating Java from cpp template <(RULE_INPUT_PATH)',