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1 # Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 # Use of this source code is governed by a BSD-style license that can be |
3 # found in the LICENSE file. | 3 # found in the LICENSE file. |
4 | 4 |
5 # Defines a static library corresponding to the output of schema compiler tools | 5 # Defines a static library corresponding to the output of schema compiler tools |
6 # over a set of extensions API schemas (IDL or JSON format.) The library target | 6 # over a set of extensions API schemas (IDL or JSON format.) The library target |
7 # has implicit hard dependencies on all schema files listed by the invoker and | 7 # has implicit hard dependencies on all schema files listed by the invoker and |
8 # is itself a hard dependency. | 8 # is itself a hard dependency. |
9 # | 9 # |
10 # Invocations of this template may use the following variables: | 10 # Invocations of this template may use the following variables: |
11 # | 11 # |
12 # sources [required] A list of schema files to be compiled. | 12 # sources [required] A list of schema files to be compiled. |
13 # | 13 # |
14 # root_namespace [required] | 14 # root_namespace [required] |
15 # A Python string substituion pattern used to generate the C++ | 15 # A Python string substituion pattern used to generate the C++ |
16 # namespace for each API. Use %(namespace)s to replace with the API | 16 # namespace for each API. Use %(namespace)s to replace with the API |
17 # namespace, like "toplevel::%(namespace)s_api". | 17 # namespace, like "toplevel::%(namespace)s_api". |
18 # | 18 # |
19 # schemas [optional, default = false] | 19 # bundle [optional, default = false] |
20 # Boolean indicating if the schema files should be generated. | 20 # Boolean indicating if the schema files should be bundled or not. |
21 # | 21 # |
22 # bundle [optional, default = false] | 22 # impl_dir [required if bundle = true, otherwise unused] |
23 # Boolean indicating if the schema bundle files should be generated. | |
24 # | |
25 # bundle_registration [optional, default = false] | |
26 # Boolean indicating if the API registration bundle files should be generated. | |
27 # | |
28 # impl_dir [required if bundle_registration = true, otherwise unused] | |
29 # The path containing C++ implementations of API functions. This path is | 23 # The path containing C++ implementations of API functions. This path is |
30 # used as the root path when looking for {schema}/{schema}_api.h headers | 24 # used as the root path when looking for {schema}/{schema}_api.h headers |
31 # when generating API registration bundles. Such headers, if found, are | 25 # during the API bundle generation phase. Such headers, if found, are |
32 # automatically included by the generated code. | 26 # automatically included by the generated code. |
33 # | 27 # |
34 # uncompiled_sources [optional, only used when bundle = true or | 28 # uncompiled_sources [optional, only used when bundle = true] |
35 # bundle_registration = true] | |
36 # A list of schema files which should not be compiled, but which should still | 29 # A list of schema files which should not be compiled, but which should still |
37 # be processed for API bundle generation. | 30 # be processed for API bundle generation. |
38 # | 31 # |
39 # deps [optional] | 32 # deps [optional] |
40 # If any deps are specified they will be inherited by the static library | 33 # If any deps are specified they will be inherited by the static library |
41 # target. | 34 # target. |
42 # | 35 # |
43 # The static library target also inherits the visibility and output_name | 36 # The static libarary target also inherits the visibility and output_name |
44 # of its invoker. | 37 # of its invoker. |
45 | 38 |
46 template("generated_extensions_api") { | 39 template("generated_extensions_api") { |
47 assert(defined(invoker.sources), | 40 assert(defined(invoker.sources), |
48 "\"sources\" must be defined for the $target_name template.") | 41 "\"sources\" must be defined for the $target_name template.") |
49 assert(defined(invoker.root_namespace), | 42 assert(defined(invoker.root_namespace), |
50 "\"root_namespace\" must be defined for the $target_name template.") | 43 "\"root_namespace\" must be defined for the $target_name template.") |
51 | 44 |
52 schemas = defined(invoker.schemas) && invoker.schemas | |
53 bundle = defined(invoker.bundle) && invoker.bundle | 45 bundle = defined(invoker.bundle) && invoker.bundle |
54 bundle_registration = defined(invoker.bundle_registration) && | |
55 invoker.bundle_registration | |
56 | 46 |
57 # Keep a copy of the target_name here since it will be trampled | 47 # Keep a copy of the target_name here since it will be trampled |
58 # in nested targets. | 48 # in nested targets. |
59 target_visibility = ":$target_name" | 49 target_visibility = ":$target_name" |
60 | 50 |
61 generated_config_name = target_name + "_generated_config" | 51 generated_config_name = target_name + "_generated_config" |
62 config(generated_config_name) { | 52 config(generated_config_name) { |
63 include_dirs = [ target_gen_dir ] | 53 include_dirs = [ target_gen_dir ] |
64 visibility = target_visibility | 54 visibility = target_visibility |
65 } | 55 } |
66 | 56 |
67 sources = invoker.sources | 57 schemas = invoker.sources |
68 root_namespace = invoker.root_namespace | 58 root_namespace = invoker.root_namespace |
69 | 59 |
70 compiler_root = "//tools/json_schema_compiler" | 60 compiler_root = "//tools/json_schema_compiler" |
71 compiler_script = "$compiler_root/compiler.py" | 61 compiler_script = "$compiler_root/compiler.py" |
72 compiler_sources = [ | 62 compiler_sources = [ |
73 "$compiler_root/cc_generator.py", | 63 "$compiler_root/cc_generator.py", |
74 "$compiler_root/code.py", | 64 "$compiler_root/code.py", |
75 "$compiler_root/compiler.py", | 65 "$compiler_root/compiler.py", |
76 "$compiler_root/cpp_generator.py", | 66 "$compiler_root/cpp_generator.py", |
77 "$compiler_root/cpp_type_generator.py", | 67 "$compiler_root/cpp_type_generator.py", |
78 "$compiler_root/cpp_util.py", | 68 "$compiler_root/cpp_util.py", |
79 "$compiler_root/h_generator.py", | 69 "$compiler_root/h_generator.py", |
80 "$compiler_root/idl_schema.py", | 70 "$compiler_root/idl_schema.py", |
81 "$compiler_root/model.py", | 71 "$compiler_root/model.py", |
82 "$compiler_root/util_cc_helper.py", | 72 "$compiler_root/util_cc_helper.py", |
83 ] | 73 ] |
84 | 74 |
85 if (schemas) { | 75 schema_generator_name = target_name + "_schema_generator" |
86 schema_generator_name = target_name + "_schema_generator" | 76 action_foreach(schema_generator_name) { |
87 action_foreach(schema_generator_name) { | 77 script = compiler_script |
88 script = compiler_script | 78 inputs = compiler_sources |
89 inputs = compiler_sources | 79 sources = schemas |
90 outputs = [ | 80 outputs = [ |
91 "$target_gen_dir/{{source_name_part}}.cc", | 81 "$target_gen_dir/{{source_name_part}}.cc", |
92 "$target_gen_dir/{{source_name_part}}.h", | 82 "$target_gen_dir/{{source_name_part}}.h", |
93 ] | 83 ] |
94 args = [ | 84 args = [ |
95 "{{source}}", | 85 "{{source}}", |
96 "--root=" + rebase_path("//", root_build_dir), | 86 "--root=" + rebase_path("//", root_build_dir), |
97 "--destdir=" + rebase_path(root_gen_dir, root_build_dir), | 87 "--destdir=" + rebase_path(root_gen_dir, root_build_dir), |
98 "--namespace=$root_namespace", | 88 "--namespace=$root_namespace", |
99 "--generator=cpp" ] | 89 "--generator=cpp" ] |
100 visibility = target_visibility | 90 visibility = target_visibility |
101 } | |
102 } | 91 } |
103 | 92 |
104 if (bundle) { | 93 if (bundle) { |
105 uncompiled_sources = [] | 94 assert(defined(invoker.impl_dir), |
| 95 "\"impl_dir\" must be defined for the $target_name template.") |
| 96 impl_dir = invoker.impl_dir |
| 97 |
| 98 uncompiled_schemas = [] |
106 if (defined(invoker.uncompiled_sources)) { | 99 if (defined(invoker.uncompiled_sources)) { |
107 uncompiled_sources = invoker.uncompiled_sources | 100 uncompiled_schemas = invoker.uncompiled_sources |
108 } | 101 } |
109 | 102 |
110 bundle_generator_schema_name = target_name + "_bundle_generator_schema" | 103 bundle_generator_name = target_name + "_bundle_generator" |
111 action(bundle_generator_schema_name) { | 104 action(bundle_generator_name) { |
112 script = compiler_script | 105 script = compiler_script |
113 inputs = compiler_sources + sources + uncompiled_sources | 106 inputs = compiler_sources + schemas + uncompiled_schemas |
114 outputs = [ | 107 outputs = [ |
| 108 "$target_gen_dir/generated_api.cc", |
| 109 "$target_gen_dir/generated_api.h", |
115 "$target_gen_dir/generated_schemas.cc", | 110 "$target_gen_dir/generated_schemas.cc", |
116 "$target_gen_dir/generated_schemas.h", | 111 "$target_gen_dir/generated_schemas.h", |
117 ] | 112 ] |
118 args = [ | 113 args = [ |
119 "--root=" + rebase_path("//", root_build_dir), | 114 "--root=" + rebase_path("//", root_build_dir), |
120 "--destdir=" + rebase_path(root_gen_dir, root_build_dir), | 115 "--destdir=" + rebase_path(root_gen_dir, root_build_dir), |
121 "--namespace=$root_namespace", | 116 "--namespace=$root_namespace", |
122 "--generator=cpp-bundle-schema", | 117 "--generator=cpp-bundle", |
123 ] + | |
124 rebase_path(sources, root_build_dir) + | |
125 rebase_path(uncompiled_sources, root_build_dir) | |
126 } | |
127 } | |
128 | |
129 if (bundle_registration) { | |
130 uncompiled_sources = [] | |
131 if (defined(invoker.uncompiled_sources)) { | |
132 uncompiled_sources = invoker.uncompiled_sources | |
133 } | |
134 | |
135 assert(defined(invoker.impl_dir), | |
136 "\"impl_dir\" must be defined for the $target_name template.") | |
137 impl_dir = invoker.impl_dir | |
138 | |
139 bundle_generator_registration_name = target_name + | |
140 "_bundle_generator_registration" | |
141 action(bundle_generator_registration_name) { | |
142 script = compiler_script | |
143 inputs = compiler_sources + sources + uncompiled_sources | |
144 outputs = [ | |
145 "$root_gen_dir/$impl_dir/generated_api_registration.cc", | |
146 "$root_gen_dir/$impl_dir/generated_api_registration.h", | |
147 ] | |
148 args = [ | |
149 "--root=" + rebase_path("//", root_build_dir), | |
150 "--destdir=" + rebase_path(root_gen_dir, root_build_dir), | |
151 "--namespace=$root_namespace", | |
152 "--generator=cpp-bundle-registration", | |
153 "--impl-dir=" + rebase_path(impl_dir, "//"), | 118 "--impl-dir=" + rebase_path(impl_dir, "//"), |
154 ] + | 119 ] + |
155 rebase_path(sources, root_build_dir) + | 120 rebase_path(schemas, root_build_dir) + |
156 rebase_path(uncompiled_sources, root_build_dir) | 121 rebase_path(uncompiled_schemas, root_build_dir) |
157 } | 122 } |
158 } | 123 } |
159 | 124 |
160 source_set(target_name) { | 125 source_set(target_name) { |
161 sources = [] | 126 sources = get_target_outputs(":$schema_generator_name") |
162 deps = [] | 127 |
163 | 128 deps = [ |
164 if (schemas) { | 129 ":$schema_generator_name", |
165 sources += get_target_outputs(":$schema_generator_name") | 130 "//tools/json_schema_compiler:generated_api_util", |
166 deps += [ | 131 ] |
167 ":$schema_generator_name", | |
168 "//tools/json_schema_compiler:generated_api_util", | |
169 ] | |
170 } | |
171 | 132 |
172 if (bundle) { | 133 if (bundle) { |
173 sources += get_target_outputs(":$bundle_generator_schema_name") | 134 sources += get_target_outputs(":$bundle_generator_name") |
174 deps += [ ":$bundle_generator_schema_name" ] | 135 deps += [ ":$bundle_generator_name" ] |
175 } | |
176 | |
177 if (bundle_registration) { | |
178 sources += get_target_outputs(":$bundle_generator_registration_name") | |
179 deps += [ ":$bundle_generator_registration_name" ] | |
180 } | 136 } |
181 | 137 |
182 if (defined(invoker.deps)) { | 138 if (defined(invoker.deps)) { |
183 deps += invoker.deps | 139 deps += invoker.deps |
184 } | 140 } |
185 direct_dependent_configs = [ ":$generated_config_name" ] | 141 direct_dependent_configs = [ ":$generated_config_name" ] |
186 | 142 |
187 if (defined(invoker.visibility)) { | 143 if (defined(invoker.visibility)) { |
188 visibility = invoker.visibility | 144 visibility = invoker.visibility |
189 } | 145 } |
190 if (defined(invoker.output_name)) { | 146 if (defined(invoker.output_name)) { |
191 output_name = invoker.output_name | 147 output_name = invoker.output_name |
192 } | 148 } |
193 } | 149 } |
194 } | 150 } |
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